CN206214238U - Hipbone dummy - Google Patents

Abstract

The utility model provides a kind of hipbone dummy, including：Main body is repaired, the domed structure of main body is repaired, repairing main body includes first end and the second end, and first end is engaged with rumpbone；Acetabular cup and attachment means, acetabular cup are adjustably connected by attachment means position with the second end.The technical solution of the utility model can efficiently solve nail-stick system of the prior art and support unreliable, the problem of easy fatigue fracture.

Description

Hipbone dummy

Technical field

The utility model is related to medical instruments field, in particular to a kind of hipbone dummy.

Background technology

Pelvis is the position that bone tumour is sent out well, and pelvic tumor can be divided into primary tumo(u)r and metastatic tumour.The former is predominantly soft Osteosarcoma, osteosarcoma and Ewing sarcoma, the latter are common in the Bone tumour of mastocarcinoma, kidney, prostate cancer, lung cancer etc..Pelvis swells Knurl incidence of occult and early diagnosis is difficult, it is very big to invade scope when often finding, add pelvis surrounding anatomic it is complicated and with Many important organs adjoin, and operating difficulty is big, and complication is more, and curative effect is not good enough, and the death rate is high.At present, pelvic tumor is mainly adopted Take the excision of half pelvis or improvement half pelvis excision amputation.But the excision of any pelvic tumor can cause Cranial defect, Cranial defect Patient's trunk and lower limb continuity can be caused to interrupt, influence is stood and walking with load, and patient can not undertake body weight.And walk When can produce pain, and patient's long-time walking with load after, acetabular bone occurs introversion, upper shifting.Can cause after pelvic inclination Scoliosis, causes patient's postoperative life quality degradation.

Before twentieth century seventies, betiding most of malignant bone tumor of pelvic region needs row pelvis resection, passes The pelvis resection of system is to cut off lesion pelvis in the lump with homonymy lower limb, has thus resulted in the handicap of patient.With change The development of auxiliary treating method, the appearance of advanced imaging methods and the raising of all kinds of surgical technics such as treatment and radiotherapy, some are former The tumour that amputation can only be leaned on could treat can also implement limb-sparing surgery now, greatly reduce the deformity of patient.At present, it is right More than 80% Pelvic Malignant Tumor patients underwent's limb salvage treatment.

Because pelvic region anatomical structure is complicated, the limb-sparing surgery of pelvis malignant bone tumor is extremely challenging.Pelvic ring be by The hipbone composition of rumpbone and both sides, is made up of per side hipbone ilium, ischium and pubis.The wide excision of pelvic tumor would generally be made Into larger Cranial defect, interrupt the continuity of pelvis, and lose the Portions of soft tissue of surrounding.Musculoskeletal system tumour association The parting of pelvic tumor resection art is proposed, by anatomical site (ilium is I areas, and region acetabularis is II areas, and closed pore area is III areas) Type of surgery is divided into：I types (ilium excision)；II types (acetabular bone excision)；Type III (excision of closed pore area)；IV types (are related to rumpbone Excision).If cutting off two or more regions simultaneously, excision type is the combination of respective regions, and ilium and hip are such as cut off simultaneously Mortar area, then type of surgery is I, II type；Whole pelvis is cut off for I, II, type III；If cutting off femoral head simultaneously, for H types (such as II H；I, II H, II, III H).

The reconstruction of the postoperative pelvic ring of pelvic tumor resection is very necessary, can so conduct to lower limb the weight of trunk. Pelvis to defect is rebuild different according to patient's experience, patient profiles' means of different, conventional method for reconstructing have it is spacious put art, Hip joint transposition, fusion of bone, structural allosome autologous bone transplanting, artificial prosthesis and artificial prosthesis are combined allogenic bone transplantation.

Conventional method simultaneously cannot rebuild the defect (ilium, acetabular bone and shame ischium) of whole half side pelvis, and the utility model is intended Solve the problems, such as defect reconstruction after half side pelvis excision.

Utility model content

The utility model aims to provide a kind of hipbone dummy, can not to solve nail-stick system support of the prior art Lean on, the problem of easy fatigue fracture.

To achieve these goals, the utility model provides a kind of hipbone dummy, including：Main body is repaired, master is repaired The domed structure of body, repairing main body includes first end and the second end, and first end is engaged with rumpbone；Acetabular cup and Attachment means, acetabular cup is adjustably connected by attachment means position with the second end.

Further, attachment means include first connecting portion and second connecting portion, the center line of first connecting portion and second The center line of connecting portion is angled to be set, and the second end has the 3rd connecting portion being connected with first connecting portion, and acetabular cup has The 4th connecting portion being connected with second connecting portion.

Further, first connecting portion is the first axial teeth portion, and second connecting portion is the second axial teeth portion, the 3rd connecting portion It is the 3rd axial teeth portion, the 4th connecting portion is the 4th axial teeth portion, and the first axial teeth portion is engaged with the 3rd axial teeth portion, so that The angle adjustable between main body and attachment means is repaired, the second axial teeth portion is engaged with the 4th axial teeth portion, so that acetabular bone Angle adjustable between cup and attachment means.

Further, the first axial teeth portion is linked together with the 3rd axial teeth portion by the first fastener, and second axially Teeth portion is linked together with the 4th axial teeth portion by the second fastener.

Further, there is annular groove on the inwall of acetabular cup.

Further, there is through hole on the wall of cup of acetabular cup.

Further, hipbone dummy also includes nail rod structure, and nail rod structure includes connecting seat and barred body, connecting seat with Main body connection is repaired, barred body is fixed on connecting seat, and screw hole is provided with first end, and nail seat is provided with screw hole, is followed closely Seat tool has spherical inside surface.

Further, connecting seat includes：Attachment screw, one end of attachment screw is connected with main body is repaired, attachment screw The other end has spherical ailhead；Barred body fixed part, is used to fix barred body, and one end of barred body fixed part has and the matching of spherical ailhead The spherical inner wall of conjunction, so that barred body fixed part can be rotatably set on attachment screw.

Further, barred body fixed part includes U-shaped bearing and locking cap, and barred body is folded between U-shaped bearing and locking cap.

Further, repair and escapement be provided with main body, escapement is folded between reparation main body and connecting seat, Escapement includes the first anticreep feeler with the screw fit being contained in screw hole.

Further, escapement also includes anticreep main body, and anticreep main body is folded between reparation main body and connecting seat, is prevented Release mechanism also includes the second anticreep feeler, and the first anticreep feeler and the second anticreep feeler are connected and to extension with anticreep main body Stretch, the stop collar coordinated with barred body is provided with the second anticreep feeler.

Using the technical solution of the utility model, hipbone dummy includes repairing main body, acetabular cup and attachment means.Repair The first end of main body is engaged with rumpbone, and acetabular cup is engaged with acetabular bone.The above-mentioned domed structure of reparation main body, has Good mechanical property, improves the internal force distribution of structure.In the case where stress and shearing force higher is born, it is able to maintain that The rigidity of hipbone dummy so that sclerotin is not readily susceptible to destruction.Therefore said structure solves nail rod system of the prior art System supports unreliable, easy fatigue fracture, the problem of caused sclerotin sensitive for damages.Additionally, using skill of the present utility model Art scheme, acetabular cup is adjustably connected by attachment means position with the second end for repairing main body, and said structure causes doctor Life can adjust the position for repairing acetabular cup according to the actual conditions of patient itself, it is ensured that acetabular cup is in good established angle Degree.

Brief description of the drawings

The Figure of description for constituting the part of the application is used for providing being further understood to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model. In the accompanying drawings：

Fig. 1 shows illustrating with the stereochemical structure that rumpbone coordinates for the embodiment according to hipbone dummy of the present utility model Figure；

Fig. 2 shows the dimensional structure diagram of the hipbone dummy of Fig. 1；

Fig. 3 shows the dimensional structure diagram of the connecting seat of the hipbone dummy of Fig. 1；

Fig. 4 shows the vertical profile structural representation of the connecting seat of Fig. 3；

Fig. 5 shows the dimensional structure diagram of another connecting seat of the hipbone dummy of Fig. 1；

Fig. 6 shows the vertical profile structural representation of the connecting seat of Fig. 5；And

Fig. 7 shows the dimensional structure diagram of the escapement of the hipbone dummy of Fig. 1.

Wherein, above-mentioned accompanying drawing is marked including the following drawings：

1st, rumpbone；10th, main body is repaired；11st, first end；111st, screw hole；20th, acetabular cup；21st, annular groove；22nd, through hole； 30th, attachment means；41st, the first axial teeth portion；42nd, the 3rd axial teeth portion；51st, the second axial teeth portion；52nd, the 4th axial teeth portion； 61st, connecting seat；611st, attachment screw；6111st, spherical ailhead；612nd, barred body fixed part；6121st, U-shaped bearing；6122nd, locking cap； 62nd, connecting seat；621st, attachment screw；6211st, spherical ailhead；622nd, barred body fixed part；6221st, U-shaped bearing；6222nd, locking cap； 63rd, barred body；70th, escapement；71st, the first anticreep feeler；72nd, anticreep main body；73rd, the second anticreep feeler；74th, stop collar.

Specific embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As depicted in figs. 1 and 2, the hipbone dummy of the present embodiment includes repairing main body 10, acetabular cup 20 and attachment means 30.Wherein, the domed structure of main body 10 is repaired, repairing main body 10 includes first end 11 and the second end, first end 11 It is engaged with rumpbone 1；Acetabular cup 20 is adjustably connected by the position of attachment means 30 with the second end.

Using the technical scheme of the present embodiment, hipbone dummy includes repairing main body 10, acetabular cup 20 and attachment means 30. The first end 11 for repairing main body 10 is engaged with rumpbone 1, and acetabular cup 20 is engaged with acetabular bone.Above-mentioned reparation main body 10 is in Domes, with good mechanical property, improve the internal force distribution of structure.Bearing the feelings of stress higher and shearing force Under condition, the rigidity of hipbone dummy is able to maintain that so that sclerotin is not readily susceptible to destruction.Therefore said structure solves existing skill Nail-stick system in art supports unreliable, easy fatigue fracture, the problem of caused sclerotin sensitive for damages.Additionally, using this The technical scheme of utility model, acetabular cup 20 is adjustably connected by the position of attachment means 30 with the second end for repairing main body 10 Connect, said structure allows doctor repaiies the position of acetabular cup according to the actual conditions of patient itself to adjust, so as to ensure that Acetabular cup 20 is at good setting angle, and then causes that the post-operative recovery of patient is more preferable.

As depicted in figs. 1 and 2, in the present embodiment, attachment means 30 include first connecting portion and second connecting portion, first The center line of connecting portion and the center line of second connecting portion are angled to be set, and the second end has the be connected with first connecting portion Three connecting portions, acetabular cup 20 has the 4th connecting portion being connected with second connecting portion.Specifically, when doctor is in adjustment acetabular cup 20 Position when, both can with acetabular cup 20 both can around first connecting portion center line rotate, it is also possible to around second connecting portion Center line rotate.So so that the position that acetabular cup is repaiied in doctor's adjustment is more accurate, more conforms to the actual conditions of patient, So as to further such that the post-operative recovery of patient is more preferable.

As shown in Fig. 2 in the present embodiment, first connecting portion is the first axial teeth portion 41, second connecting portion is the second axle To teeth portion 51, the 3rd connecting portion is the 3rd axial teeth portion 42, and the 4th connecting portion is the 4th axial teeth portion 52, the first axial teeth portion 41 It is engaged with the 3rd axial teeth portion 42, so as to the angle adjustable between main body 10 and attachment means is repaired, the second axial teeth portion 51 are engaged with the 4th axial teeth portion 52, so that the angle adjustable between acetabular cup 20 and attachment means 30.Specifically, doctor is worked as It is raw when the position of acetabular cup is repaiied in adjustment, it is necessary to the first axial teeth portion 41 is interlocked with the 3rd axial direction teeth portion 42, i.e. first axle To in the groove in the axial teeth portion 42 of the insertion of teeth portion 41 the 3rd.Likewise, needing the second axial axial teeth portion of teeth portion 51 and the 4th 52 are interlocked, i.e., in the groove in the axial teeth portion 52 of the second axial insertion of teeth portion 51 the 4th.Said structure is simple, be easily assembled, one Determine to shorten operating time in degree, reduce infection chance.

Certainly, those skilled in the art should know first connecting portion, second connecting portion, the 3rd connecting portion, the 4th connection Portion can not be axial gears structure.Separately angle adjustment mechanism can be increased between first connecting portion and the 3rd connecting portion, should Angle adjustment mechanism can be arranged on first connecting portion and/or the 3rd connecting portion.Equally, it is also possible in second connecting portion and the Another between four connecting portions to increase angle adjustment mechanism, the angle adjustment mechanism can be arranged on second connecting portion and/or the 4th company In socket part.

In the present embodiment, the first axial axial teeth portion 42 of teeth portion 41 and the 3rd passes through the first fastener (not shown) Link together, the second axial axial teeth portion 52 of teeth portion 51 and the 4th is connected to one by the second fastener (not shown) Rise.Preferably, in the present embodiment, the first fastener and the second fastener are screw.Said structure is simple, be easily assembled.

In the present embodiment, the inwall of acetabular cup 20 will be Nian Jie by bone cement with hemispherical polyethylene liner.In order to just In the insertion of bone cement, as shown in Fig. 2 in the present embodiment, there is annular groove 21 on the inwall of acetabular cup 20.Said structure letter Singly, it is easily achieved.

As shown in Fig. 2 in order that acetabular cup 20 is preferably connected with hemispherical polyethylene liner, in the present embodiment, hip There is through hole 22 on the wall of cup of mortar cup 20.Said structure causes that bone cement enters through hole 22 and forms grappling.Preferably, through hole 22 is 5~10.

As depicted in figs. 1 and 2, in the present embodiment, hipbone dummy also includes nail rod structure, and nail rod structure includes connection Seat 61, connecting seat 62 and barred body 63, connecting seat 61 are connected with lumbar vertebra, and connecting seat 62 is connected with main body 10 is repaired, barred body 63 are fixed on connecting seat 61 and connecting seat 62.Said structure strengthens the fixation repaired between main body 10 and lumbar vertebra, increases The stability of rumpbone 1 is added, so as to avoid lumbar vertebrae position.

As shown in Figure 3 and Figure 4, in the present embodiment, connecting seat 61 includes：Attachment screw 611, the one of attachment screw 611 End is connected with lumbar vertebra, and the other end of attachment screw 611 has spherical ailhead 6111；Barred body fixed part 612, to hold-down bars Body 63, one end of barred body fixed part 612 has the spherical pore being engaged with spherical ailhead 6111, so that barred body fixed part 612 can It is rotatably disposed on attachment screw 611；Said structure causes that barred body fixed part 612 can be rotatably set in attachment screw 611 On.So so that doctor can according to actual needs adjust the position of barred body 63, so that installation site is more accurate, peace Dress process is simpler.

As shown in Figure 5 and Figure 6, in the present embodiment, connecting seat 62 includes：Attachment screw 621, the one of attachment screw 621 End is connected with main body 10 is repaired, and the other end of attachment screw 621 has spherical ailhead 6211；Barred body fixed part 622, is used to fix Barred body 63, one end of barred body fixed part 622 has the spherical inner wall being engaged with spherical ailhead 6211, so that barred body fixed part 622 can be rotatably set on attachment screw 621.Said structure causes that barred body fixed part 622 can be rotatably set in connection spiral shell On nail 621.So so that doctor can according to actual needs adjust the position of barred body 63, so that installation site is more accurate Really, installation process is simpler.

As shown in Figure 3 and Figure 4, in the present embodiment, barred body fixed part 612 includes U-shaped bearing 6121 and locking cap 6122, Barred body 63 is folded between U-shaped bearing 6121 and locking cap 6122.Specifically, the U-shaped inwall of U-shaped bearing 6121 is formed and installs empty Between, barred body 63 is inserted in above-mentioned installing space.The top of the U-shaped inwall of U-shaped bearing 6121 has internal thread, and locking cap 6122 has There is the external screw thread being adapted with the internal thread of U-shaped bearing 6121.When barred body 63 is installed, it is necessary to first by barred body 63 from installing space In pass, then locking cap 6122 is screwed onto on U-shaped bearing 6121.Said structure is simple, easy for installation.

As shown in Figure 5 and Figure 6, in the present embodiment, barred body fixed part 622 includes U-shaped bearing 6221 and locking cap 6222, Barred body 63 is folded between U-shaped bearing 6221 and locking cap 6222.Specifically, the U-shaped inwall of U-shaped bearing 6221 is formed and installs empty Between, barred body 63 is inserted in above-mentioned installing space.The top of the U-shaped inwall of U-shaped bearing 6221 has internal thread, and locking cap 6222 has There is the external screw thread being adapted with the internal thread of U-shaped bearing 6221.When barred body 63 is installed, it is necessary to first by barred body 63 from installing space In pass, then locking cap 6222 is screwed onto on U-shaped bearing 6221.Said structure is simple, easy for installation.

As depicted in figs. 1 and 2, in the present embodiment, it is provided with first end 11 in screw hole 111, screw hole 111 and is set Nail seat is equipped with, nail seat has spherical inside surface.It is first when doctor's needs will repair main body 10 to be fixed by screws on rumpbone 1 Screw is first penetrated into screw hole 111, because screw hole 111 is taper hole, the head of screw is bulb, and nail seat has and bulb cooperation Spherical inside surface, therefore screw can rotate within the specific limits, and doctor can select hammering into for screw according to actual conditions Direction.Said structure enables the surgeon to choose screw fixed position according to actual conditions so that repair main body 10 and rumpbone 1 it Between fixed effect more preferably.

Preferably, in the present embodiment, it is hollow truss structure to repair main body 10, on the one hand, above-mentioned truss structure can Greatly reduce repair main body 10 quality, improve stock utilization, while can also ensure that repair main body 10 intensity and Rigidity.On the other hand, enable to repair main body 10 closer to adjacent bone using said structure, so that bone melts That closes is better.Because Anatomical Reconstruction not only needs to meet requirement precisely, complicated after pelvic tumor resection, even also need Meet requirement that is disposable, making to measure.Therefore, in the present embodiment, main body 10 is repaired to be molded by 3D printing.Above-mentioned work Skill in itself have precisely, can manufacture complex parts and can customization of individual character the characteristics of.

It should be noted that 3D printing rapid shaping technique is a kind of brand-new manufacturing technology based on material stacking method, area Not in traditional removal materials processing technology, increasing material manufacturing (AKYCM, AKYCdditive are also called MAKYCnufAKYCcturing).3D printing technique is the data for utilizing three-dimensional CAKYCD, by rapidform machine, will from level to level Material stacking into entity.Different types of rapid prototyping system is because of moulding material difference used, forming principle and system features Also it is each variant, but general principle is the same, that is, " Layered manufacturing, successively be superimposed ", just as one " three-dimensional printing machine ", because This gains the name.With manufacturing technology, digital modeling techniques, Numeric Control Technology, information technology, material science and chemistry, biotechnology etc. The fast development of cutting edge technology and multi-disciplinary hand-in-glove, the exploitation of 3D printing technique have become current most popular new One of technology.3D printing future will be presented wide application prospect in field of orthopaedics, and its basic reason is just the spy of 3D printing Point meets the particular/special requirement of orthopaedics.One, bone tissue are the Typical Representatives of labyrinth, and existing bionics techniques is difficult to replicate Its distinctive three-dimensional configuration and physiological function.And 3D printing is just being adapted to the quick manufacture of labyrinth, approximate ideal can be obtained Bone renovating material；Secondly, there is the individual specificity of height due to human body, tradition is extensive, the medical product of mass production The need for personalization cannot being met, and in the past by the manufacturing process such as mould produce it is personalized, customed product into This height, the cycle is long.As digitized image technology is in the extensive use of medical field, bone is to be easiest to obtain precision digitization The organ of image, it is combined with 3D printing, can accurately and fast, at low cost produce the medical product of personalization；Cause This, by 3D printing technique, the short time can " casting " go out the implants product of random appearance, preferable biomechanical strength, Make individuation, customize bone implantation product and be developed into reality.

In the present embodiment, first end 11 sets biological coating (not shown).Said structure can soon promote Gegenbaur's cell is generated, it is easy to be integrated with sclerotin (rumpbone), so as to reach the fixed effect of medium-long term.With traditional operation pattern phase Than having the advantages that high intensity, high stability, Integrated implant ability are strong.

In the present embodiment, first end 11 is provided with the first needle-like projection (not shown).Above-mentioned first needle-like is convex Play a part of with cuttage grappling, so that rumpbone 1 is fixed together with the first end 11 for repairing main body 10.

As shown in fig. 7, in the present embodiment, to repair and be provided with escapement 70, the sandwiched repairing of escapement 70 in main body Again between main body and connecting seat 62, escapement 70 includes being touched with the first anticreep of the screw fit being contained in screw hole 111 Angle 71.When using, when connecting seat 62 is screwed, the first anticreep feeler 71 withstands the screw being contained in screw hole 111, connecting seat 62 attachment screw 621 is tighter, and the power that the first anticreep feeler 71 withstands screw is bigger.Therefore said structure is prevented from screw Abjection in from screw hole 111.Additionally, in the prior art, the attachment screw 621 for being screwed into bone often loosens.Using Above-mentioned escapement 70 can also provide pretightning force to prevent connecting seat 62 from loosening for connecting seat 62.

As shown in fig. 7, in the present embodiment, escapement 70 also includes anticreep main body 72, the sandwiched repairing of anticreep main body 72 Multiple escapement 70 also includes the second anticreep feeler 73 between main body and connecting seat 62, and the first anticreep feeler 71 and second is anti- De- feeler 73 is connected and stretches out with anticreep main body 72, is provided with the second anticreep feeler 73 spacing with what barred body 63 coordinated Set 74.Preferably, the first anticreep feeler 71 is the multiple coordinated with screw hole 111.Because multiple first anticreep feelers 71 are outside Extend in screw hole 111, and anticreep main body 72 is folded between reparation main body and connecting seat 62, therefore escapement 70 is limited Position cannot rotate.Again due to being provided with stop collar 74 on the second anticreep feeler 73, stop collar 74 coordinates with barred body 63, therefore barred body 63 are also limited and cannot rotate.Said structure avoids barred body 63 from rotating, so as to increased the stability of system.

Preferably, escapement 70 is spring leaf, and the tail end of the second anticreep feeler 73 of spring leaf is upturned, stop collar 74 tail ends for being arranged on the second anticreep feeler 73.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.

Claims (11)

1. a kind of hipbone dummy, it is characterised in that including：

Main body (10) is repaired, described reparation main body (10) domed structure, the reparation main body (10) includes first end (11) And the second end, the first end (11) is engaged with rumpbone (1)；

Acetabular cup (20) and attachment means (30), the acetabular cup (20) by the attachment means (30) position adjustably with The second end connection.

2. hipbone dummy according to claim 1, it is characterised in that the attachment means (30) are including first connecting portion And second connecting portion, the center line of the center line of the first connecting portion and the second connecting portion is angled to be set, and described the Two ends have the 3rd connecting portion that is connected with the first connecting portion, the acetabular cup (20) with the second connecting portion 4th connecting portion of connection.

3. hipbone dummy according to claim 2, it is characterised in that the first connecting portion is the first axial teeth portion (41), the second connecting portion is the second axial teeth portion (51), and the 3rd connecting portion is the 3rd axial teeth portion (42), described the Four connecting portions are the 4th axial teeth portion (52), and the described first axial teeth portion (41) is engaged with the described 3rd axial teeth portion (42), So that the angle adjustable repaired between main body (10) and the attachment means (30), the second axial teeth portion (51) with Described 4th axial teeth portion (52) is engaged, so that the adjustable angle between the acetabular cup (20) and the attachment means (30) Section.

4. hipbone dummy according to claim 3, it is characterised in that the described first axial teeth portion (41) and the described 3rd Axial teeth portion (42) is linked together by the first fastener, the second axial teeth portion (51) and the described 4th axial teeth portion (52) linked together by the second fastener.

5. hipbone dummy according to claim 1, it is characterised in that there is annular groove on the inwall of the acetabular cup (20) (21)。

6. hipbone dummy according to claim 1, it is characterised in that there is through hole on the wall of cup of the acetabular cup (20) (22)。

7. hipbone dummy according to claim 1, it is characterised in that the hipbone dummy also includes nail rod structure, The nail rod structure includes connecting seat (62) and barred body (63), and the connecting seat (62) is connected with reparation main body (10), The barred body (63) is fixed on the connecting seat (62), and screw hole (111), the spiral shell are provided with the first end (11) Nail seat is provided with nail (111), the nail seat has spherical inside surface.

8. hipbone dummy according to claim 7, it is characterised in that

The connecting seat (62) includes：

Attachment screw (621), one end of the attachment screw (621) is connected with reparation main body (10), the attachment screw (621) the other end has spherical ailhead；

Barred body fixed part (622), is used to fix the barred body (63), one end of the barred body fixed part (622) have with it is described The spherical inner wall that spherical ailhead is engaged, so that the barred body fixed part (622) can be rotatably set in the attachment screw (621) on.

9. hipbone dummy according to claim 8, it is characterised in that the barred body fixed part (622) includes U-shaped bearing (6221) and locking cap (6222), the barred body (63) be folded in the U-shaped bearing (6221) and the locking cap (6222) it Between.

10. hipbone dummy according to claim 7, it is characterised in that be provided with escapement on the reparation main body (10) (70), the escapement (70) is folded between reparation main body (10) and the connecting seat (62), the escapement (70) including the first anticreep feeler (71) with the screw fit being contained in the screw hole (111).

11. hipbone dummies according to claim 10, it is characterised in that the escapement (70) also includes anticreep main body (72), the anticreep main body (72) is folded between reparation main body (10) and the connecting seat (62), the escapement (70) the second anticreep feeler (73) is also included, the first anticreep feeler (71) and the second anticreep feeler (73) are and institute State anticreep main body (72) to connect and stretch out, be provided with the second anticreep feeler (73) and the barred body (63) cooperation Stop collar (74).