US3293663A - Surgically implantable human breast prosthesis - Google Patents
Surgically implantable human breast prosthesis Download PDFInfo
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- US3293663A US3293663A US301267A US30126763A US3293663A US 3293663 A US3293663 A US 3293663A US 301267 A US301267 A US 301267A US 30126763 A US30126763 A US 30126763A US 3293663 A US3293663 A US 3293663A
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- container
- prosthesis
- tissue
- breast
- human breast
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/12—Mammary prostheses and implants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/21—Silicone
Definitions
- the first type is worn externally in some type of brassiere arrangement and is generally employed when breasts or portions thereof have been removed by surgery.
- a second type involves a prosthesis for inserting into the breast in order to change the contour thereof. This type is generally used in cosmetic purposes and it is to this type of prosthesis that the present invention primarily relates.
- This invention relates to a breast prosthesis comprising (1) a flexible container approximating the shape of the human breast, (2) a soft gel filling said container and (3) a layer of porous material attached to one side of said container so that the tissue can grow into said porous material to anchor the prosthesis to the chest wall.
- FIG- URE 1 is a sectional view showing the prosthesis in place.
- FIGURE 2 is an exploded perspective view showing the assembly of the container and FIGURES 3 and 4 are sections along the lines 5, 5 of FIGURE 2 showing one method of applying a porous layer to one side of the prosthesis.
- FIGURE 1 shows the prosthesis in place.
- the container is made up of two sections, a cup section 6 which is the general shape of a human breast and a back section 7 which is generally flat and adapted to fit against the chest wall 8.
- the container is filled with a soft gel 11 which provides the proper consistency for the prosthetic device.
- This gel can be of any suitable material but the preferred material is a silicone gel as is described in more detail infra.
- the back section 7 has attached thereto a porous material into which tissue can grow thereby anchoring the prosthesis securely to the chest wall. In the illustration shown in FIGURE 1 this porous material is a fabric which has been corrugated and adhered to the back section 7 by means of daubs of cement 10.
- the porous layer can be of any suitable material which can be invaded by tissue and which will not be absorbed by the body.
- the preferred material is a fabric of polyester fibers commonly sold under the name Dacron. If desired, however, a sponge-like material can also be used in which case the sponge is adhered only to section 7 After the prosthesis has been inserted into the breast as more fully described hereinafter, the incision is closed and the natural breast tissue 12 also acts to support the prosthesis and hold it in the proper place.
- the prosthesis can be assembled in any suitable manner but one way is shown in FIGURE 2.
- the flexible cup 6 and the back panel 7 are molded separately and the two are then assembled and adhered together either by vulcanizing in place or by the use of a suitable cement.
- the porous layer such as a fabric is adhered to the back panel 7.
- FIGURES 3 and 4 One way of accomplishing this is to place the fabric on back panel 7 and then cement it to the panel by means of a daub of cement 10, FIGURE 3.
- the fabric is then crinkled and a series: of daubs 10, FIGURE 4 are then placed along the base of the crinkle 9. This process is then repeated until a series of corrugations are formed across the entire length of section 7.
- a fluid which will gel in place is then inserted into the container by any suitable means.
- the best way of doing this is to inject a fluid through the walls of the container by means of a hypodermic needle. Once the fluid has gelled, there is little or no tendency to leak through the hole left by the hypodermic needle or if the hole happens to be too large, it can easily be sealed by using a cement or other suitable material.
- the size of the prosthesis can be varied to suit individual needs. In general, for a medium. size prosthesis about 270 cc. of fluid is injected into the container and allowed to gel in place. However, smaller or larger devices can be made as desired.
- any suitable material which does not cause tissue reaction and which is soft and flexible can be employed herein.
- the preferred material for the container is silicone rubber and the preferred gel is a silicone gel.
- One such gel can be made in accordance with US. Patent 3,020,260 (which is hereby incorporated herein by reference) by adjusting the ratio of atoms of silicon-bonded H in (2) per gram molecular weight of (1) to about 1.3 (SiI-I/mol (1) in Table I).
- the ingredients (1), (2) and (3) are mixed in the proper proportions to give the above ratio and the resulting fluid mixture is injected into the silicone rubber container and then the container containing the mixture is heated four hours at 300 F. to gel the liquid.
- the silicone gel can be prepared in other ways such as, for example, by injecting a mixture of a hydroxylated siloxane and ethylsilicate into the container along with a suitable catalyst such as stannous octoate. The fluid will then set in place forming a soft gel. Regardless of the type of gel employed, it is preferred that the gel have a soft consistency as measured by a precision universal penetrometer, Catalog No. 73,510 of the Precision Scientific Company. Instead of using the standard cones supplied with the penetrometer, a brass head A" in diameter and A high and having rounded edges was attached to the shaft. The total weight of the shaft and head was 51.9 g.
- the penetration should be from 30.0 to 20.0 mm, although for some uses a higher or lower penetration is desirable.
- the above specifications represent the preferred embodiment of this invention and that in some cases a harder or softer material can be advantageously employed.
- the material should be sufficiently soft and flexible to approximate the consistence of the natural breast.
- the gelled material should be one which is inert toward the container.
- the prosthesis To insert the prosthesis, one makes the usual submammary incision about 3" long and dissects the breast free of the pectoral muscle and chest wall.
- the cavity should be of adequate size to freely receive the prosthesis.
- the implant is inserted with the thin edge uppermost and directed slightly towards the anterior auxiliary fold.
- the prosthesis has been inserted, there is often an excessive prominence of the upper part of the implant. This can be corrected after the wound has been closed by applying firm pressure with some foam rubber pads and adhesive tape across the top of the prosthesis. This forces the gel into the lower part, stretching the overlying tissues and making the breast more prominent as desired. This pressure may be continued for a week to days.
- the breast now has a natural appearance with the upper surface tending to be slightly concave when unsupported by a brassiere.
- porous layer for example, Dacron mesh which is adhered to the back of the prosthesis, be trimmed off as close to the margin of the implant as possible. This wil prevent an excessive formation of scar tissue and yet will give firm anchoring of the prosthesis to the chest wall.
- a particularly suitable fabric for use in this invention is coarse tricot weave polyester fiber mesh sold under the designation D2000 by the Mohawk Fabric Company.
- a breast prosthesis comprising (1) a flexible container approximating the shape of the human breast, (2) a soft gel filling said container and (3) a corrugated fabric attached to one side of said container so that the tissue can grow through the fabric and anchor the prosthesis to the chest wall.
- a breast prosthesis comprising (1) a silicone rubber container approximating the shape of the human breast, (2) a soft silicone gel filling said container and (3) a corrugated polyester fabric attached to one side of said container so that the tissue can grow through said fabric and anchor the prosthesis to the chest wall.
- a breast prosthesis suitable for implanting within the human breast comprising (1) a container made of a flexible material and having a front section which approximates the shape of the human breast and a rear section which is adapted to fit against the chest wall, (2) a soft gel filling said container and (3) a fabric attached to the rear section of said container at spaced intervals and having a corrugated configuration so that tissue can grow through the fabric in those areas where it is spaced away from the rear section of the container thereby anchoring the breast prosthesis to the chest wall.
- a breast prosthesis suitable for implanting within the human breast comprising (1) a container of silicone rubber having a front section which approximates the shape of the human breast and a rear section which is adapted to fit against the chest wall, (2) a soft silicone gel filling said container and (3) a polyester fabric attached to the rear section of said container at spaced intervals and having a corrugated configuration so that the tissue can grow through the fabric in those areas where it is spaced away from the rear section of the container thereby anchoring the breast prosthesis to the chest wall.
- a surgically implantable human breast prosthesis comprising (1) a flexible container having a substantially tissue impermeable front section approximating the shape of a human breast and a tissue impermeable rear section adapted to fit against the human chest wall, (2) a soft gel filling said container, and (3) tissue permeable anchoring means of sponge-like material attached solely to said rear section for allowing human tissue to grow into said sponge-like material and thereby anchor said material to the chest wall.
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- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
Dec. 27, 1966 T. D. CRONIN 3,293,663
SURGICALLY IMPLANTABLE HUMAN BREAST PROSTHESIS Filed Aug. 12, 1965 "1. LALJ. 1.1. I. 'IIIIIJ IN V EN TOR. Z9- 2 740m! a mam/v BYWFFW k ATTORNEY United States Patent 3,293,663 SURGICALLY IMPLANTABLE HUMAN BREAST PROSTHESIS Thomas D. Cronin, Houston, Tex., assignor to Dow Corning Corporation, Midland, Mich, a corporation of Michigan Filed Aug. 12, 1963, Ser. No. 301,267 Claims. (Cl. 3-36) This invention relates to a breast prosthesis suitable for implanting within the human breast.
Heretofore there have been two general types of breast prostheses. The first type is worn externally in some type of brassiere arrangement and is generally employed when breasts or portions thereof have been removed by surgery. A second type involves a prosthesis for inserting into the breast in order to change the contour thereof. This type is generally used in cosmetic purposes and it is to this type of prosthesis that the present invention primarily relates.
Heretofore prostheses for inserting into the breast have been made of a sponge material. This suffers from two critical disadvantages. The principal one is that body tissue invages the sponge forming a hard scar which is quite uncomfortable and in no way resembles the consistency of the natural breast. A second disadvantage is that even without the invasion of body tissue the sponge implant does not have the feel of a natural breast.
It is the primary object of this invention to provide a breast prosthesis for insertion into the breast which duplicates almost precisely the consistency of natural breast tissue and which causes the formation of scar tissue only against the chest wall for the purpose of securely anchoring the prosthesis to the body. Other objects and advantages Will be apparent from the following description.
This invention relates to a breast prosthesis comprising (1) a flexible container approximating the shape of the human breast, (2) a soft gel filling said container and (3) a layer of porous material attached to one side of said container so that the tissue can grow into said porous material to anchor the prosthesis to the chest wall.
In order to understand the invention more clearly one should inspect the accompanying drawings in which FIG- URE 1 is a sectional view showing the prosthesis in place. FIGURE 2 is an exploded perspective view showing the assembly of the container and FIGURES 3 and 4 are sections along the lines 5, 5 of FIGURE 2 showing one method of applying a porous layer to one side of the prosthesis.
FIGURE 1 shows the prosthesis in place. The container is made up of two sections, a cup section 6 which is the general shape of a human breast and a back section 7 which is generally flat and adapted to fit against the chest wall 8. The container is filled with a soft gel 11 which provides the proper consistency for the prosthetic device. This gel can be of any suitable material but the preferred material is a silicone gel as is described in more detail infra. The back section 7 has attached thereto a porous material into which tissue can grow thereby anchoring the prosthesis securely to the chest wall. In the illustration shown in FIGURE 1 this porous material is a fabric which has been corrugated and adhered to the back section 7 by means of daubs of cement 10.
The porous layer can be of any suitable material which can be invaded by tissue and which will not be absorbed by the body. The preferred material is a fabric of polyester fibers commonly sold under the name Dacron. If desired, however, a sponge-like material can also be used in which case the sponge is adhered only to section 7 After the prosthesis has been inserted into the breast as more fully described hereinafter, the incision is closed and the natural breast tissue 12 also acts to support the prosthesis and hold it in the proper place.
The prosthesis can be assembled in any suitable manner but one way is shown in FIGURE 2. The flexible cup 6 and the back panel 7 are molded separately and the two are then assembled and adhered together either by vulcanizing in place or by the use of a suitable cement. After the container has been assembled, the porous layer such as a fabric is adhered to the back panel 7. When fabric is used, it is best to employ a corrugated fabric as shown in FIGURES 3 and 4. One way of accomplishing this is to place the fabric on back panel 7 and then cement it to the panel by means of a daub of cement 10, FIGURE 3. The fabric is then crinkled and a series: of daubs 10, FIGURE 4 are then placed along the base of the crinkle 9. This process is then repeated until a series of corrugations are formed across the entire length of section 7.
After the container and porous material have been assembled, a fluid which will gel in place is then inserted into the container by any suitable means. The best way of doing this is to inject a fluid through the walls of the container by means of a hypodermic needle. Once the fluid has gelled, there is little or no tendency to leak through the hole left by the hypodermic needle or if the hole happens to be too large, it can easily be sealed by using a cement or other suitable material.
The size of the prosthesis can be varied to suit individual needs. In general, for a medium. size prosthesis about 270 cc. of fluid is injected into the container and allowed to gel in place. However, smaller or larger devices can be made as desired.
As mentioned above, any suitable material which does not cause tissue reaction and which is soft and flexible can be employed herein. However, the preferred material for the container is silicone rubber and the preferred gel is a silicone gel. One such gel can be made in accordance with US. Patent 3,020,260 (which is hereby incorporated herein by reference) by adjusting the ratio of atoms of silicon-bonded H in (2) per gram molecular weight of (1) to about 1.3 (SiI-I/mol (1) in Table I). The ingredients (1), (2) and (3) are mixed in the proper proportions to give the above ratio and the resulting fluid mixture is injected into the silicone rubber container and then the container containing the mixture is heated four hours at 300 F. to gel the liquid. It should be understood, however, that the silicone gel can be prepared in other ways such as, for example, by injecting a mixture of a hydroxylated siloxane and ethylsilicate into the container along with a suitable catalyst such as stannous octoate. The fluid will then set in place forming a soft gel. Regardless of the type of gel employed, it is preferred that the gel have a soft consistency as measured by a precision universal penetrometer, Catalog No. 73,510 of the Precision Scientific Company. Instead of using the standard cones supplied with the penetrometer, a brass head A" in diameter and A high and having rounded edges was attached to the shaft. The total weight of the shaft and head was 51.9 g. A sample of the gel at room temperature was placed against the bottom of the shaft head. The clutch of the shaft was depressed for five seconds and the depth of penetration into the gel was then measured. For the preferred embodiment in this invention, the penetration should be from 30.0 to 20.0 mm, although for some uses a higher or lower penetration is desirable.
It should be understood that the above specifications represent the preferred embodiment of this invention and that in some cases a harder or softer material can be advantageously employed. However, .regardless of the precise penetrometer readings of the gel, the material should be sufficiently soft and flexible to approximate the consistence of the natural breast. In addition, the gelled material should be one which is inert toward the container.
To insert the prosthesis, one makes the usual submammary incision about 3" long and dissects the breast free of the pectoral muscle and chest wall. The cavity should be of adequate size to freely receive the prosthesis.
The implant is inserted with the thin edge uppermost and directed slightly towards the anterior auxiliary fold. When the prosthesis has been inserted, there is often an excessive prominence of the upper part of the implant. This can be corrected after the wound has been closed by applying firm pressure with some foam rubber pads and adhesive tape across the top of the prosthesis. This forces the gel into the lower part, stretching the overlying tissues and making the breast more prominent as desired. This pressure may be continued for a week to days. The breast now has a natural appearance with the upper surface tending to be slightly concave when unsupported by a brassiere.
It is highly desirable that the porous layer, for example, Dacron mesh which is adhered to the back of the prosthesis, be trimmed off as close to the margin of the implant as possible. This wil prevent an excessive formation of scar tissue and yet will give firm anchoring of the prosthesis to the chest wall. A particularly suitable fabric for use in this invention is coarse tricot weave polyester fiber mesh sold under the designation D2000 by the Mohawk Fabric Company.
That which is claimed is:
1. A breast prosthesis comprising (1) a flexible container approximating the shape of the human breast, (2) a soft gel filling said container and (3) a corrugated fabric attached to one side of said container so that the tissue can grow through the fabric and anchor the prosthesis to the chest wall.
2. A breast prosthesis comprising (1) a silicone rubber container approximating the shape of the human breast, (2) a soft silicone gel filling said container and (3) a corrugated polyester fabric attached to one side of said container so that the tissue can grow through said fabric and anchor the prosthesis to the chest wall.
3. A breast prosthesis suitable for implanting within the human breast comprising (1) a container made of a flexible material and having a front section which approximates the shape of the human breast and a rear section which is adapted to fit against the chest wall, (2) a soft gel filling said container and (3) a fabric attached to the rear section of said container at spaced intervals and having a corrugated configuration so that tissue can grow through the fabric in those areas where it is spaced away from the rear section of the container thereby anchoring the breast prosthesis to the chest wall.
4. A breast prosthesis suitable for implanting within the human breast comprising (1) a container of silicone rubber having a front section which approximates the shape of the human breast and a rear section which is adapted to fit against the chest wall, (2) a soft silicone gel filling said container and (3) a polyester fabric attached to the rear section of said container at spaced intervals and having a corrugated configuration so that the tissue can grow through the fabric in those areas where it is spaced away from the rear section of the container thereby anchoring the breast prosthesis to the chest wall.
5. A surgically implantable human breast prosthesis comprising (1) a flexible container having a substantially tissue impermeable front section approximating the shape of a human breast and a tissue impermeable rear section adapted to fit against the human chest wall, (2) a soft gel filling said container, and (3) tissue permeable anchoring means of sponge-like material attached solely to said rear section for allowing human tissue to grow into said sponge-like material and thereby anchor said material to the chest wall.
References Cited by the Examiner UNITED STATES PATENTS 1,250,875 12/1917 Heuchan 128-462 2,542,619 2/1951 Bernhardt 3-36 2,543,499 2/1951 Kausch 3-36 2,636,182 4/1953 Freedman 3-36 2,842,775 7/1958 Pangman 3-36 RICHARD A. GAUDET, Primary Examiner. R. L. FRINKS, Assistant Examiner,
Claims (1)
- 5. A SURGICALLY IMPLANTABLE HUMAN BREAST PROSTHESIS COMPRISING (1) A FLEXIBLE CONTAINER HAVING A SUBSTANTIALLY TISSUE IMPERMEABLE FRONT SECTION APPROXIMATING THE SHAPE OF A HUMAN BREAST AND A TISSUE IMPERMEABLE REAR SECTION ADAPTED TO FIT AGAINST THE HUMAN CHEST WALL, (2) A SOFT GEL FILLING SAID CONTAINER, AND (3) TISSUE PERMEABLE ANCHORING MEANS OF SPONGE-LIKE MATERIAL ATTACHED SOLELY TO SAID REAR SECTION FOR ALLOWING HUMAN TISSUE TO GROW INTO SAID SPONGE-LIKE MATERIAL AND THEREBY ANCHOR SAID MATERIAL TO THE CHEST WALL.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US301267A US3293663A (en) | 1963-08-12 | 1963-08-12 | Surgically implantable human breast prosthesis |
GB23860/64A GB1004028A (en) | 1963-08-12 | 1964-06-09 | A breast prosthesis |
NL6406729A NL6406729A (en) | 1963-08-12 | 1964-06-12 | |
BR160125/64A BR6460125D0 (en) | 1963-08-12 | 1964-06-18 | BUST PROSTHESIS |
DK310864AA DK114789B (en) | 1963-08-12 | 1964-06-19 | Breast prosthesis. |
AT675764A AT265508B (en) | 1963-08-12 | 1964-08-06 | Breast prosthesis |
BE651668D BE651668A (en) | 1963-08-12 | 1964-08-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US301267A US3293663A (en) | 1963-08-12 | 1963-08-12 | Surgically implantable human breast prosthesis |
Publications (1)
Publication Number | Publication Date |
---|---|
US3293663A true US3293663A (en) | 1966-12-27 |
Family
ID=23162648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US301267A Expired - Lifetime US3293663A (en) | 1963-08-12 | 1963-08-12 | Surgically implantable human breast prosthesis |
Country Status (7)
Country | Link |
---|---|
US (1) | US3293663A (en) |
AT (1) | AT265508B (en) |
BE (1) | BE651668A (en) |
BR (1) | BR6460125D0 (en) |
DK (1) | DK114789B (en) |
GB (1) | GB1004028A (en) |
NL (1) | NL6406729A (en) |
Cited By (124)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3366975A (en) * | 1965-06-04 | 1968-02-06 | William J. Pangman | Compound prosthesis |
US3416160A (en) * | 1964-12-28 | 1968-12-17 | Arion Henri Gilbert | Retromammary prosthesis |
US3494365A (en) * | 1967-02-02 | 1970-02-10 | Hidden Charm Inc | Breast pad |
US3548420A (en) * | 1967-03-06 | 1970-12-22 | Stryker Corp | Cushion structure |
US3600718A (en) * | 1969-12-29 | 1971-08-24 | Dow Corning | Inflatable prosthesis |
US3665520A (en) * | 1970-10-07 | 1972-05-30 | Medical Eng Corp | Surgically implantable breast prosthesis |
US3681787A (en) * | 1971-03-26 | 1972-08-08 | Moxness Products Inc | Implantable breast prosthesis filled with gels of different densities |
US3782390A (en) * | 1971-07-23 | 1974-01-01 | A Johnson | Pedicure prosthesis for the metatarsal arch of the foot |
US3789828A (en) * | 1972-09-01 | 1974-02-05 | Heyer Schulte Corp | Urethral prosthesis |
US3853126A (en) * | 1973-11-15 | 1974-12-10 | Heyer Schulte Corp | Artery-to-vein shunt |
US3852832A (en) * | 1972-10-24 | 1974-12-10 | Heyer Schulte Corp | Prosthesis with fixation means |
US4100627A (en) * | 1976-05-27 | 1978-07-18 | Dow Corning Corporation | Low oiling gel filled flexible articles and gels therefor |
FR2447183A1 (en) * | 1979-01-24 | 1980-08-22 | Hamas Robert | BREAST PROSTHESIS |
EP0029292A1 (en) * | 1979-10-03 | 1981-05-27 | Minnesota Mining And Manufacturing Company | A silicone gel filled prosthesis and a method of forming it |
WO1981001650A1 (en) * | 1979-12-17 | 1981-06-25 | Dow Corning | Silicone gel-filled silicone rubber article possessing reduced surface-bleed |
US4298997A (en) * | 1979-10-23 | 1981-11-10 | Rybka F James | Device for inhibiting the formation of fibrous capsular contractures in silicone breast implants and method |
US4298998A (en) * | 1980-12-08 | 1981-11-10 | Naficy Sadeque S | Breast prosthesis with biologically absorbable outer container |
US4351322A (en) * | 1980-10-10 | 1982-09-28 | Prager Elliot D | Stoma control device and method |
US4372293A (en) * | 1980-12-24 | 1983-02-08 | Vijil Rosales Cesar A | Apparatus and method for surgical correction of ptotic breasts |
US4380569A (en) * | 1981-08-03 | 1983-04-19 | Spenco Medical Corporation | Lightweight preformed stable gel structures and method of forming |
US4401492A (en) * | 1980-04-10 | 1983-08-30 | Pfrommer Arthur M | Breast prosthesis and method of making the same |
US4472226A (en) * | 1979-10-03 | 1984-09-18 | Minnesota Mining And Manufacturing Company | Silicone gel filled prosthesis |
US4558112A (en) * | 1981-06-05 | 1985-12-10 | Boehringer Mannheim Corporation | Low oiling gel filled articles, siloxane gels and liquids therefor, and methods for producing same |
US4592755A (en) * | 1985-06-11 | 1986-06-03 | Ethyl Corporation | Mammary implant |
US4648880A (en) * | 1984-08-30 | 1987-03-10 | Daniel Brauman | Implantable prosthetic devices |
US4740208A (en) * | 1980-11-21 | 1988-04-26 | Cavon Joseph F | Cast gel implantable prosthesis |
US4773909A (en) * | 1981-10-06 | 1988-09-27 | Memorial Hospital For Cancer And Allied Diseases | Multi-lumen high profile mammary implant |
US4787905A (en) * | 1987-07-24 | 1988-11-29 | Nearly Me | Gel for breast prosthesis |
US4820303A (en) * | 1984-08-30 | 1989-04-11 | Daniel Brauman | Implantable prosthetic devices |
EP0322194A1 (en) * | 1987-12-22 | 1989-06-28 | Walter Joseph Ledergerber | Implantable prosthetic device |
US4861804A (en) * | 1984-12-28 | 1989-08-29 | Kabushiki Kaisha Cubic Engineering | Compound type silicone gel material |
US4863470A (en) * | 1985-03-19 | 1989-09-05 | Medical Engineering Corporation | Identification marker for a breast prosthesis |
US5092348A (en) * | 1989-01-17 | 1992-03-03 | Mcghan Medical Corporation | Textured tissue expander |
US5116371A (en) * | 1990-07-06 | 1992-05-26 | Christensen James M | Prosthesis with improved biocompatibility |
US5141581A (en) * | 1972-10-08 | 1992-08-25 | Markham Harold A | Implants with a cover which resists formation of firm spherical encapsulation |
US5407445A (en) * | 1992-05-20 | 1995-04-18 | Cytrx Corporation | Gel composition for implant prosthesis and method of use |
US5525275A (en) * | 1993-07-27 | 1996-06-11 | Pmt Corporation | Method of manufacture of enhanced surface implant |
US5545217A (en) * | 1995-04-20 | 1996-08-13 | C.M. Offray & Son, Inc. | Breast implant |
US5653758A (en) * | 1992-11-18 | 1997-08-05 | Lipomatrix, Incorporated | Method of using a radiolucent organ displacement device for radiation therapy |
US5798062A (en) * | 1994-06-23 | 1998-08-25 | Thielbar; Janice Marie | Method of making a custom formed natural fit artificial breast appliance |
US5800245A (en) * | 1993-08-18 | 1998-09-01 | Lucrecia Barbe-Vicuna | Compression brassiere and pad for manual lymphatic drainage |
US5922023A (en) * | 1996-05-02 | 1999-07-13 | Amoena Medizin-Orthopaedie-Technik Gmbh & Co. | Breast prosthesis |
US5935164A (en) * | 1997-02-25 | 1999-08-10 | Pmt Corporaton | Laminated prosthesis and method of manufacture |
US5964803A (en) * | 1993-07-27 | 1999-10-12 | Pmt Corporation | Enhanced surface implant and method of manufacture |
US6290723B1 (en) | 1994-06-14 | 2001-09-18 | Winston A. Andrews | Method of making a synthetic triglyceride filler material |
FR2830745A1 (en) * | 2001-10-12 | 2003-04-18 | Perouse Plastie | Modeling gauge, for a mammary prosthesis, has a sealed envelope of a supple and non-stretch material, with a fluid feed to fill the envelope pocket |
US6605116B2 (en) | 2001-04-03 | 2003-08-12 | Mentor Corporation | Reinforced radius mammary prostheses and soft tissue expanders |
US20030195623A1 (en) * | 2000-05-03 | 2003-10-16 | Rocky Mountain Biosystems, Inc. | Prosthesis and method of making |
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Also Published As
Publication number | Publication date |
---|---|
BR6460125D0 (en) | 1973-07-26 |
NL6406729A (en) | 1965-02-15 |
BE651668A (en) | 1965-02-11 |
DK114789B (en) | 1969-08-04 |
AT265508B (en) | 1968-10-10 |
GB1004028A (en) | 1965-09-08 |
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