CN109692023A - A kind of nail bin and surgical instruments for surgical instruments - Google Patents
A kind of nail bin and surgical instruments for surgical instruments Download PDFInfo
- Publication number
- CN109692023A CN109692023A CN201811356218.5A CN201811356218A CN109692023A CN 109692023 A CN109692023 A CN 109692023A CN 201811356218 A CN201811356218 A CN 201811356218A CN 109692023 A CN109692023 A CN 109692023A
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- China
- Prior art keywords
- recess portion
- surgical instruments
- nail bin
- cartridge body
- staple cartridge
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of nail bins for surgical instruments, including the staple cartridge body extended along longitudinally, staple cartridge body is provided with the staple cavity through its upper surface and lower surface, staple cartridge body is provided with the first recess portion and the second recess portion for the formation that is recessed downwards from its upper surface, first recess portion extends along the transverse direction perpendicular to longitudinally, second recess portion includes the inner wall along its circumferentially extending, and the first recess portion and the second recess portion are interconnected, and the first recess portion and the second recess portion are for taking tissue in.The upper surface of staple cartridge body in the present invention is equipped with the first recess portion and the second recess portion for taking tissue in, and the first recess portion and the second recess portion act synergistically, so that tissue is not easy the upper surface slide in staple cartridge body, so that sewing effect is preferable.
Description
Technical field
The present invention relates to a kind of nail bins and surgical instruments for surgical instruments.
Background technique
The surgical instruments (including suture instruments) of existing certain categories includes the elongated nip component that a pair of matched is closed,
In each jaw member for it is inserted into the patient and relative to have it is to be stapled and/or cutting tissue positioning.In various realities
It applies in scheme, in jaw member a support wherein accommodates the nail bin of the nail of at least two rows of lateral alternates, and another
Jaw member support has the anvil block for the nail shapes pit being aligned with the staple in nail bin.But existing surgical instruments is stitching
When conjunction, generally existing following problem is generated outer when due to jaw member closure when jaw member clamping is sewn tissue
Power, the tissue for often clamping jaw member is subjected to displacement, to influence sewing effect.
Summary of the invention
The purpose of the present invention is to provide a kind of nail bin for surgical instruments with antiskid function.
In order to achieve the above object, the invention is realized by the following technical scheme: a kind of nail bin for surgical instruments, packet
The staple cartridge body extended along longitudinally is included, the staple cartridge body is provided with the staple cavity through its upper surface and lower surface, institute
The first recess portion and the second recess portion that staple cartridge body is provided with the formation that is recessed downwards from its upper surface are stated, first recess portion is along vertical
Extend in the transverse direction of the longitudinally, second recess portion includes the inner wall along its circumferentially extending, first recess portion
It is interconnected with second recess portion, first recess portion and second recess portion are used to take tissue in.
Further, the staple cartridge body offers cutter slit along the longitudinally, and first recess portion is from the nail
The side of storehouse ontology extends to the cutter slit along the transverse direction.
Further, first recess portion is intersected along the transverse direction with staple cavity described at least one.
Further, the staple cartridge body includes insertion end and the end that is oppositely arranged with insertion end；First recess portion
The first barrier including being located at the side of its relatively close insertion end.
Further, first recess portion further comprises the second barrier being oppositely arranged with first barrier,
And the bottom wall of connection first barrier and second barrier；Second barrier stops relative to described first
Wall is closer to the end.
Further, the junction of second barrier and the upper surface is arranged to chamfering.
Further, the barrier is vertical wall.
Further, the inner wall of first recess portion includes at least one guiding face.
Further, the staple cartridge body includes insertion end and the end that is oppositely arranged with insertion end；First recess portion
Blocking surface including being located at the side of its relatively close insertion end.
Further, the guiding face is oppositely arranged with the blocking surface, the guiding face relative to the blocking surface more
Close to the end.
Further, first recess portion further comprises the bottom surface for connecting the blocking surface Yu the guiding face.
Further, the blocking surface is vertical plane.
Further, the guiding face is inclined-plane.
Further, first recess portion is evenly distributed along the longitudinally.
Further, the staple cartridge body includes insertion end and the end that is oppositely arranged with insertion end, close to the end
The density for the first recess portion being arranged is greater than the density of the first recess portion close to insertion end setting.
Further, the depth of first recess portion is less than first recess portion along the width of the longitudinally.
Further, second recess portion is cylindrical.
Further, second recess portion and the laterally spaced setting of the staple cavity.
Further, second recess portion is in bowknot shape.
Further, second recess portion is located between two staple cavities that longitudinally is disposed adjacent.
The present invention also provides a kind of surgical instruments, exist including handle portion, the shaft member being arranged in handle portion, setting
End effector on shaft member and the nail bin for being installed on the end effector, the nail bin are described in any one as above
Nail bin.
The beneficial effects of the present invention are: first recess portion is recessed downwards to be formed from the upper surface of staple cartridge body, therefore not
Meeting is so that the spatial altitude between staple cartridge body and anvil block for clamping, squeezing tissue is affected, the first recess portion and second recessed
Portion, which is used to take in, is sewn tissue, the two synergistic effect, and preventing from being sewn group, to be woven in vertical and horizontal above staple cartridge body sliding
It is dynamic, so that sewing effect is preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of nail bin of the invention
Fig. 2 is the stereogram exploded view of nail bin shown in Fig. 1；
Fig. 3 to Fig. 6 is the structural schematic diagram of the staple cartridge body of first embodiment of the invention；
Fig. 7 to Figure 10 is the structural schematic diagram of the staple cartridge body of second embodiment of the invention；
Figure 11 to Figure 14 is the structural schematic diagram of the staple cartridge body of third embodiment of the invention；
Figure 15 is the structural schematic diagram of the staple cartridge body of other embodiments of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc.,
Unless otherwise specifically defined." several " are meant that at least one.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
Surgical instruments in the prior art includes handle portion, the shaft member being arranged in handle portion, is arranged in shaft group
End effector on part and the nail bin (hereinafter referred to as nail bin) for surgical instruments for being installed on end effector.The surgery device
Tool is suture instruments.The end effector includes the jaw member of a pair of of cooperation, jaw member for it is inserted into the patient simultaneously
And to have it is to be cut and/or suture tissue position.A support in jaw member wherein accommodates at least two rows of seams
The nail bin of dowel is at least transversely staggeredly arranged between two rows suturing nails, another support in jaw member has and nail bin
In staple alignment nail shapes pit anvil block.When tissue (the following letter that jaw member clamping is cut and/or sutured
Referred to as tissue or be sewn tissue) when, generated external force when due to jaw member closure, the tissue for often clamping jaw member
It is subjected to displacement, to influence sewing effect.
It as shown in Figures 1 to 6, is the first embodiment of nail bin of the invention, the nail bin 100 includes prolonging along longitudinally
The staple cartridge body 10 stretched, the suturing nail 20, the promotion suturing nail 20 that are arranged in staple cartridge body 10 go out the nail-pushing part 30 followed closely, driving pushes away
The pusher 40 of the movement of nail piece 30 and the bracket 50 for being fixed on 10 bottom of staple cartridge body.It is provided in the staple cartridge body 10 several
Accommodate the staple cavity 16 of suturing nail 20.Staple cartridge body 10 includes upper surface 11 and lower surface 12, and staple cavity 16 runs through staple cartridge body
10 upper surface 11 and lower surface 12.When nail bin 100 does not use, it is covered with lid 60 on the nail bin 100, so as to
Prevent dust etc. from entering in nail bin 100.When nail bin 100 to be installed on to end effector (not shown) of surgical instruments, elder generation is needed
Lid 60 is removed, then is installed.The staple cartridge body 10 includes insertion end 101 and the end being oppositely arranged with insertion end 101
102.Insertion end 101 is distal end, and the side where the insertion end 101 of staple cartridge body 10 is distal side, and end 102 is proximal end, nail bin
Side where the end 102 of ontology 10 is nearside.Distally, the definition in distal side, proximal end, nearside is suitable for the other of nail bin 100
Component and structure.
The staple cartridge body 10 offers cutter slit 13 along longitudinally, and cutter slit 13 slides inside to cut for cutter
Tissue.Staple cartridge body 10 is separated into the first side 14 and the second side 15 by cutter slit 13, the staple cavity 16 of the first side 14 with
The staple cavity 16 of second side 15 is symmetrical arranged.First side 14 is identical as the structure of the second side 15, below only to the first side
Portion 14 is described in detail.
First side 14 includes the staple cavity 16 that three rows are parallel to each other, and every row's staple cavity 16 is prolonged along longitudinally
It stretches, three row's staple cavities are followed successively by the first staple cavity 161, the second staple cavity 162, third along the transverse direction perpendicular to longitudinally
Staple cavity 163 is arranged, the row's staple cavity for defining close cutter slit 13 is first row staple cavity 161.Adjacent two rows staple cavity is along horizontal
It is shifted to install to direction.If first side 14 be equipped with from its upper surface 11 downwards recess formed several first recess portions 17 with
Dry second recess portion 18.Several first recess portions 17 are used to take in several second recess portions 18 is sewn tissue.Due to the first recess portion
17 and second recess portion 18 from upper surface 11, recess is formed downwards, relative to not set first recess portion 17 and the second recess portion 18 or from upper
Surface 11 is provided projectingly the situation of anti-slip part, and the presence of the first recess portion 17 and the second recess portion 18 will not make the nail bin of nail bin 100
It is sewn the spatial altitude of tissue for clamping, squeezing between ontology 10 and anvil block (not shown) and is affected, and first is recessed
Portion 17 will increase with the spatial altitude at the second recess portion 18, to avoid jaw component when positioning is sewn tissue, due to upper
It states the reduction of spatial altitude and nail bin 100 is weighed wounded with anvil block tissue is sewn.Several first recess portions 17 be laterally extended and
It is parallel to each other.First recess portion 17 includes the first barrier 171 extended in transverse direction and is oppositely arranged with the first barrier 171
The second barrier 172.The barrier is vertical wall.Described to refer to vertically: the plane and transverse direction where vertical wall are flat
Row, and the plane is perpendicular to longitudinally.Since the first vertical wall 171 is vertical with longitudinally, the first vertical wall
171 hinder to be taken in the tissue in the first recess portion 17 along longitudinally generation sliding.Since the closure of jaw member is by anvil block
It pivots and realizes relative to nail bin 100, the power that the pivot of anvil block applies the tissue between anvil block and nail bin 100 is main
It is power along the longitudinal direction, the above-mentioned power along longitudinally makes tissue have the trend slid along longitudinally, therefore prevents
Tissue is necessary along longitudinally sliding.First recess portion 17 extends laterally to the side of the first side 14 from cutter slit 13
Face, and sequentially pass through one of staple cavity in first row staple cavity 161 (i.e. the first recess portion 17 is intersected with staple cavity), second
Arrange the compartment between the two neighboring staple cavity in staple cavity 162 and one of staple in third row's staple cavity 163
Chamber (i.e. the first recess portion 17 is intersected with staple cavity).When 17 off-seam nail cavity 16 of the first recess portion is closer, 171 off-seam of the first vertical wall nail
Chamber 16 is closer, and the first vertical wall 171 is more significant to the inhibition of the tissue at staple cavity 16, will can preferably be clipped in
Tissue positioning at stitch points, keeps the tissue of suture more smooth.Therefore, the present invention in the first recess portion 17 be arranged to as far as possible
More staple cavities 16 is close, makes sewing effect more preferably.In the present embodiment, several first recess portions 17 are evenly distributed in transverse direction
In the upper surface of the first side 14.
First recess portion 17 is U-lag, and the first recess portion 17 is vertical including the first vertical wall 171 and second being oppositely arranged
Wall 172 and connection the first vertical wall 171, the horizontal bottom wall 173 of the second vertical wall 172.First vertical wall 171 and the second vertical wall
172 extend each along transverse direction, and are each perpendicular to longitudinally.First vertical wall 171 is located at the opposite of the first recess portion 17 and leans on
The side of the insertion end 101 of nearly staple cartridge body 10, the second vertical wall 172 are located at the relatively close staple cartridge body 10 of the first recess portion 17
End 102 side.First vertical wall 171 and the second vertical wall 172 play blocking to being sewn tissue on longitudinally
Effect, avoids group from being woven in the upside longitudinal sliding motion of staple cartridge body 10, and especially the first vertical wall 171 stops tissue along longitudinally
It is slid to insertion end 101.First recess portion 17 is 0.5 millimeter~2 millimeters along the width of longitudinally, is conducive to take group in
It knits, tissue is avoided to be detached from the first recess portion 17.The depth of first recess portion 17 is less than the width of first recess portion 17, is conducive to
Group is woven between suture knots Shu Houcong nail bin 100 and anvil block and detaches.
From upper surface 11, recess is formed several second recess portions 18 downwards, and the second recess portion 18 includes along its circumferentially extending
Wall, the second recess portion 18 are sewn tissue for taking in.Take the resistance in the tissue in the second recess portion 18 by its inner wall circumferentially in
Gear, the especially blocking along longitudinally and transverse direction, so that group is woven in longitudinally and the sliding of transverse direction is hindered
Hinder.First recess portion 17 prevents tissue from sliding along longitudinally, and the second recess portion 18, which improves, prevents tissue from sliding work along longitudinally
With while also prevent tissue from sliding in transverse direction, the first recess portion 17 and the second recess portion 18 synergistic effect, enhance nail bin sheet
10 upper surface 11 of body prevents phorogenesis along longitudinally and transverse direction to being sewn tissue.Second recess portion 18 can be set
It is set to various shapes.In the present embodiment, the second recess portion 18 is cylindrical.Second recess portion 18 and the first recess portion 17 are interconnected,
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6.It can be connected in several ways between first recess portion 17 and the second recess portion 18, in the present embodiment
Only enumerate following two mode: (1) as shown in Figure 3 to Figure 4, several second recess portions 18 are located at the same side of the first recess portion 17 (such as
Distal side) and be connected to the first recess portion 17, the second recess portion 18 after connection is in arc-shaped；(2) as shown in Figure 5 to Figure 6, several second
Recess portion 18 is connected to the first recess portion 17, wherein the center of the second recess portion 18 is located at the center line that the first recess portion 17 extends transversely
On, the second recess portion 18 after connection is in be distributed in an arc-shaped in the distal side of the first recess portion 17 and be distributed in the first recess portion 17
One arc-shaped of nearside.From upper surface 11, recess is formed several second recess portions 18 downwards.Second recess portion 18 is stitched for taking in
It is combined and knits, strengthen anti-skidding effect of 14 upper surface 11 of the first side to tissue is sewn.
It as shown in Figure 7 to 10, is the second embodiment of nail bin of the invention, the nail bin is installed in jaw member.
The staple cartridge body 10 ' includes insertion end 101 ' and the end 102 ' being oppositely arranged with insertion end 101 ', defines insertion end 101 '
For the one end for initially entering patient's body, end 102 ' is relative to insertion end 101 ' closer to the pivotal axis of jaw member.It is described
First recess portion 17 ' include the first barrier 171 ' for being oppositely arranged with the second barrier 172 ' and connect the first barrier 171 ',
The horizontal bottom wall 173 ' of second barrier 172 ', the barrier are vertical wall.It is described to refer to vertically: the plane where vertical wall
It is parallel with transverse direction, and the plane is perpendicular to longitudinally.I.e. described first recess portion 17 ' includes first be oppositely arranged
Vertical wall 171 ' is with the second vertical wall 172 ' and connect the horizontal bottom wall 173 ' of the first vertical wall 171 ', the second vertical wall 172 '.
Second vertical wall 172 ' relative to the first vertical wall 171 ' closer to end 102 ', the second vertical wall 172 ' and upper surface 11 '
Junction is arranged to chamfering 174 '.When jaw member closure, the tissue located by proximal end 102 ' is relative to close to insertion end
The tissue at 101 ' places is more first squeezed power, also, the part of somewhere tissue relative proximity end 102 ' is compared to relative proximity
The part of insertion end 101 ' is more first squeezed power, and therefore, the chamfering 174 ' plays a guiding function to tissue is sewn,
Tissue will be sewn and be guided into the first recess portion 17 ', the first vertical wall 171 ' plays blocking to being sewn tissue on longitudinally
Effect, avoids tissue to 101 ' direction longitudinal sliding motion of insertion end.First recess portion 17 ' is 0.5 milli along the width of longitudinally
Rice~2 millimeters, is conducive to take tissue in, and tissue is avoided to be detached from the first recess portion 17 '.The depth of first recess portion 17 ' is less than institute
The first recess portion 17 ' is stated along the width of longitudinally, is conducive to group and is woven between suture knots Shu Houcong nail bin and anvil block detach.
Several second recess portions 18 ' are formed from 11 sound lower recess of the upper surface of staple cartridge body 10 ', and the second recess portion 18 ' includes edge
Its inner wall circumferentially extended, the second recess portion 18 ' are sewn tissue for taking in.Take in the interior tissue of the second recess portion 18 ' by
The blocking of its inner wall circumferentially, the especially blocking along longitudinally and transverse direction, so that group is woven in longitudinally and transverse direction
The sliding in direction is hindered.First recess portion 17 ' prevents tissue from sliding along longitudinally, and the second recess portion 18 ', which improves, prevents group
Also prevent tissue from sliding in transverse direction while knitting along longitudinally phorogenesis, the first recess portion 17 ' and the second recess portion 18 ' association
Same-action, enhance 10 ' upper surface 11 ' of staple cartridge body prevents sliding from making to being sewn tissue along longitudinally and transverse direction
With.Second recess portion 18 ' can be set to various shapes.In the present embodiment, the second recess portion 18 ' is cylindrical.Second recess portion
18 ' and first recess portion 17 ' be interconnected.It can be connected in several ways between first recess portion 17 ' and the second recess portion 18 ', this reality
Apply and only enumerate following two mode in example: (1) as shown in Fig. 7 to Fig. 8, several second recess portions 18 ' are located at the same of the first recess portion 17 '
Side (such as distal side) is simultaneously connected to the first recess portion 17 ', and the second recess portion 18 ' after connection is in arc-shaped；(2) such as Fig. 9 to Figure 10 institute
Show, several second recess portions 18 ' are connected to the first recess portion 17 ', wherein the center of the second recess portion 18 ' is located at the first recess portion 17 ' along cross
To on the center line of extension, the second recess portion 18 ' after connection is in be distributed in an arc-shaped in the distal side of the first recess portion 17 ' and divide
An arc-shaped of the cloth in the nearside of the first recess portion 17 '.From upper surface 11 ', recess is formed several second recess portions 18 ' downwards.Second
Recess portion 18 ' is sewn tissue for taking in, strengthens anti-skidding effect of the 14 ' upper surface 11 ' of the first side to tissue is sewn.This
Unmentioned technical characteristic is identical with the first embodiment in embodiment.
It as shown in Figure 11 to 14, is the 3rd embodiment of nail bin of the invention, the nail bin is installed on the jaw structure
In part.The staple cartridge body 10 " including insertion end 101 " and with insertion end 101 " end 102 being oppositely arranged ", define described insert
Entering end 101 " is to initially enter one end of patient's body, the end 102 " relative to the insertion end 101 " is closer to the pincers
The pivotal axis of mouth component.First recess portion 17 " inner wall include a guiding face 172 ", the guiding face 172 " is oblique
Face.The side of first recess portion 17 " further including positioned at its relatively close insertion end 101 " blocking surface 171 ", the blocking surface
It 171 " is vertical plane.Guiding face 172 " with blocking surface 171 " is oppositely arranged.First recess portion 17 " further comprises connection blocking surface
171 " with guiding faces 172 " bottom surface 173 ".That is first recess portion 17 " inner wall include the vertical plane 171 being oppositely arranged "
With inclined-plane 172 " and connecting vertical plane 171 " and inclined-plane 172 " horizontal bottom 173 ".Inclined-plane 172 " relative to vertical plane 171 " is more
By proximal end 102 ".It is described to refer to vertically: vertical plane 171 that " plane at place is parallel with transverse direction, and the plane is vertical
In longitudinally.The inclined-plane 172 " it is parallel with transverse direction, and the inclined-plane 172 " from upper surface 11 " oliquely downward extends
It is gradually distance from upper surface 11 ", and the direction of the extension forms acute angle with the direction from end 102 " towards insertion end 101 ".
When jaw member closure, the tissue by proximal end 102 " tissue at place is relative to close to insertion end 101 " place is more first squeezed
Power, also, the part of somewhere tissue relative proximity end 102 " part compared to relative proximity insertion end 101 " more first by
Extruding force, therefore, the inclined-plane 172 " play a guiding function to tissue is sewn, being sewn tissue, to be guided into first recessed
Barrier effect plays to being sewn tissue on longitudinally in portion 17 ", the vertical plane 171 ", avoids tissue to insertion end 101 "
Direction longitudinal sliding motion.First recess portion 17 " width along longitudinally is 0.5 millimeter~2 millimeters, is conducive to take tissue in,
Tissue is avoided to be detached from the first recess portion 17 ".First recess portion 17 " depth be less than first recess portion 17 " is along longitudinally
Width is conducive to group and is woven between suture knots Shu Houcong nail bin and anvil block detach.
" it " includes edge that recess, which is formed, downwards, the second recess portion 18 for the upper surface 11 of several second recess portions 18 " from staple cartridge body 10 "
Its inner wall circumferentially extended, the second recess portion 18 " are sewn tissue for taking in.Take in the second recess portion 18 " in tissue by
The blocking of its inner wall circumferentially, the especially blocking along longitudinally and transverse direction, so that group is woven in longitudinally and transverse direction
The sliding in direction is hindered.First recess portion 17 " prevents tissue from sliding along longitudinally, " improve prevents group to the second recess portion 18
Also prevent tissue from sliding in transverse direction while knitting along longitudinally phorogenesis, first recess portion 17 " and second recess portion 18 " association
Same-action, enhance staple cartridge body 10 " upper surface 11 " prevents sliding from making to being sewn tissue along longitudinally and transverse direction
With.Second recess portion 18 " can be set to various shapes.In the present embodiment, the second recess portion 18 is " cylindrical.Second recess portion
18 are interconnected " with the first recess portion 17 ".It can be connected in several ways between first recess portion 17 " with the second recess portion 18 ", this reality
It applies and only enumerates following two mode in example: (1) as shown in Figure 11 to Figure 12, several second recess portions 18 " being located at the first recess portion 17 "
The same side (such as distal side) simultaneously " is connected to, the second recess portion 18 after connection " is in arc-shaped with the first recess portion 17；(2) such as Figure 13 to Figure 14
It is shown, several second recess portions 18 " being connected to the first recess portion 17 ", the second recess portion 18 " in the first recess portion 17 is distributed in " after connection
Distal side an arc-shaped and be distributed in inclined-plane 172 " and first recess portion 17 " nearside an arc-shaped, that is, cylindric the
Two recess portions 18 " being from top to bottom embedded in the first recess portion 17 ", cylindric second recess portion 18 " diameter be greater than the first recess portion 17 " is along lengthwise
The width in direction, and on the center line that extends transversely of cylindric second recess portion 18 " center be located at the first recess portion 17 ".It is several
" recess is formed downwards for the upper surface 11 of second recess portion 18 " from staple cartridge body 10 ".Second recess portion 18 " is sewn group for taking in
It knits, strengthens anti-skidding effect of the staple cartridge body 10 " upper surface 11 " to tissue is sewn.Unmentioned technology is special in the present embodiment
Sign is identical with the first embodiment.
As shown in figure 15, in other embodiments, in order to make staple cartridge body 10 " ' upper surface 11 " ' antiskid effect it is more preferable,
Can be by several first recess portions 17 " ' with several second recess portions 18 " ' it is set as follows: close to the " ' end of staple cartridge body 10
102 " ' the first recess portion 17 " ' or/and the second recess portion 18 " ' density be greater than close to the staple cartridge body 10 " ' insertion end 101 " '
The first recess portion 17 " ' or/and the second recess portion 18 " ' density.When jaw member closure, close to the " ' end of staple cartridge body 10
102 " ' place tissue is first subjected to generated extruding force when jaw member closure, therefore, close to the " ' end of staple cartridge body 10
102 " ' the extruding force that is subject to of tissue relative to close to staple cartridge body 10 " ' insertion ends 101 " ' the extruding force that is subject to of tissue compared with
Greatly.Therefore, by proximal end 102 the first recess portion 17 of place " ' " ' or/and the second recess portion 18 " ' density be greater than close to insertion end
101 the first recess portions 17 of place " ' " ' or/and the second recess portion 18 " ' density, can preferably prevent tissue to staple cartridge body 10 " '
" ' direction is mobile for insertion end 101.The density refers to: the first recess portion 17 in the unit length distance of longitudinally " ' or/
With the second recess portion 18 " ' quantity.Unmentioned technical characteristic is identical with the first embodiment in the present embodiment.
In conclusion several first recess portions 17 of the invention are laterally extended in the upper surface of staple cartridge body 10 11 and mutually put down
Row, several first recess portions 17 are sewn tissue for taking in, prevent from being sewn group being woven in longitudinal sliding motion above staple cartridge body；It is several
Second recess portion 18, which is also used for taking in, is sewn tissue, further enhances 10 upper surface 11 of staple cartridge body and prevents tissue is sewn
Sliding effect, so that sewing effect is preferable.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, and the technical solution after above-mentioned change, modification, replacement and modification is in the present invention
Protection scope in.
Claims (21)
1. a kind of nail bin for surgical instruments, including the staple cartridge body extended along longitudinally, the staple cartridge body is provided with
Staple cavity through its upper surface and lower surface, it is characterised in that: the staple cartridge body, which is provided with from its upper surface, to be recessed downwards
The first recess portion and the second recess portion formed, first recess portion extends along the transverse direction perpendicular to the longitudinally, described
Second recess portion includes the inner wall along its circumferentially extending, and first recess portion and second recess portion are interconnected, and described first is recessed
Portion and second recess portion are used to take tissue in.
2. the nail bin according to claim 1 for surgical instruments, it is characterised in that: the staple cartridge body is along the lengthwise
Direction offers cutter slit, and it is narrow that first recess portion from the side of the staple cartridge body extends to the knife along the transverse direction
Slot.
3. according to claim 1,2 described in any item nail bins for surgical instruments, it is characterised in that: first recess portion edge
The transverse direction is intersected with staple cavity described at least one.
4. the nail bin according to claim 1 for surgical instruments, it is characterised in that: the staple cartridge body includes insertion end
And the end being oppositely arranged with insertion end；First recess portion includes positioned at the first of the side of its relatively close insertion end
Barrier.
5. the nail bin according to claim 4 for surgical instruments, it is characterised in that: first recess portion further comprises
The second barrier being oppositely arranged with first barrier, and connection first barrier and second barrier
Bottom wall；Second barrier is relative to first barrier closer to the end.
6. the nail bin according to claim 5 for surgical instruments, it is characterised in that: second barrier and it is described on
The junction on surface is arranged to chamfering.
7. according to the described in any item nail bins for surgical instruments of claim 4 to 6, it is characterised in that: the barrier is
Vertical wall.
8. the nail bin according to claim 1 for surgical instruments, it is characterised in that: the inner wall bread of first recess portion
Include at least one guiding face.
9. the nail bin according to claim 8 for surgical instruments, it is characterised in that: the staple cartridge body includes insertion end
And the end being oppositely arranged with insertion end；First recess portion includes the blocking positioned at the side of its relatively close insertion end
Face.
10. the nail bin according to claim 9 for surgical instruments, it is characterised in that: the guiding face and the blocking
Face is oppositely arranged, and the guiding face is relative to the blocking surface closer to the end.
11. the nail bin according to claim 10 for surgical instruments, it is characterised in that: first recess portion further wraps
Include the bottom surface for connecting the blocking surface and the guiding face.
12. according to the described in any item nail bins for surgical instruments of claim 9 to 11, it is characterised in that: the blocking surface
For vertical plane.
13. the nail bin according to claim 8 for surgical instruments, it is characterised in that: the guiding face is inclined-plane.
14. the nail bin according to claim 1 for surgical instruments, it is characterised in that: first recess portion is along described vertical
Length direction is evenly distributed.
15. the nail bin according to claim 1 for surgical instruments, it is characterised in that: the staple cartridge body includes insertion
End and the end being oppositely arranged with insertion end, the density close to the first recess portion of end setting are greater than close to the insertion end
The density for the first recess portion being arranged.
16. the nail bin according to claim 1 for surgical instruments, it is characterised in that: the depth of first recess portion is small
In first recess portion along the width of the longitudinally.
17. the nail bin according to claim 1 for surgical instruments, it is characterised in that: second recess portion is cylindrical.
18. the nail bin according to claim 17 for surgical instruments, it is characterised in that: second recess portion and the seam
The laterally spaced setting of nail cavity.
19. the nail bin according to claim 1 for surgical instruments, it is characterised in that: second recess portion is in bowknot
Shape.
20. the nail bin according to claim 19 for surgical instruments, it is characterised in that: second recess portion is located at along vertical
Between two staple cavities that length direction is disposed adjacent.
21. a kind of surgical instruments, including handle portion, the shaft member being arranged in handle portion, the end being arranged on shaft member
Portion's actuator and the nail bin for being installed on the end effector, it is characterised in that: the nail bin is as appointed in claim 1-20
Nail bin described in meaning one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356218.5A CN109692023B (en) | 2018-11-14 | 2018-11-14 | Nail bin for surgical instrument and surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356218.5A CN109692023B (en) | 2018-11-14 | 2018-11-14 | Nail bin for surgical instrument and surgical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109692023A true CN109692023A (en) | 2019-04-30 |
| CN109692023B CN109692023B (en) | 2021-01-01 |
Family
ID=66230094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811356218.5A Active CN109692023B (en) | 2018-11-14 | 2018-11-14 | Nail bin for surgical instrument and surgical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109692023B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184547A (en) * | 2018-11-14 | 2020-05-22 | 江苏风和医疗器材股份有限公司 | Nail bin for surgical instrument and surgical instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797173A (en) * | 2010-03-02 | 2010-08-11 | 瑞奇外科器械(北京)有限公司 | Skidproof nail box of surgical linear cutting stapler |
| CN201710404U (en) * | 2010-06-22 | 2011-01-19 | 曾维著 | Disposable two-way umbilical cord cutter |
| CN205831850U (en) * | 2016-05-24 | 2016-12-28 | 山东威瑞外科医用制品有限公司 | A kind of manual linear cutting anastomat |
| CN207654209U (en) * | 2017-05-14 | 2018-07-27 | 李洪涛 | A kind of hospital's oncology operation special cutter |
-
2018
- 2018-11-14 CN CN201811356218.5A patent/CN109692023B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101797173A (en) * | 2010-03-02 | 2010-08-11 | 瑞奇外科器械(北京)有限公司 | Skidproof nail box of surgical linear cutting stapler |
| CN201710404U (en) * | 2010-06-22 | 2011-01-19 | 曾维著 | Disposable two-way umbilical cord cutter |
| CN205831850U (en) * | 2016-05-24 | 2016-12-28 | 山东威瑞外科医用制品有限公司 | A kind of manual linear cutting anastomat |
| CN207654209U (en) * | 2017-05-14 | 2018-07-27 | 李洪涛 | A kind of hospital's oncology operation special cutter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111184547A (en) * | 2018-11-14 | 2020-05-22 | 江苏风和医疗器材股份有限公司 | Nail bin for surgical instrument and surgical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109692023B (en) | 2021-01-01 |
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