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US3823705A - Blood vessel bridging device - Google Patents

Blood vessel bridging device Download PDF

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Publication number
US3823705A
US3823705A US00318130A US31813072A US3823705A US 3823705 A US3823705 A US 3823705A US 00318130 A US00318130 A US 00318130A US 31813072 A US31813072 A US 31813072A US 3823705 A US3823705 A US 3823705A
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Prior art keywords
blood vessel
vessel
bridging device
generally
blood
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Expired - Lifetime
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US00318130A
Inventor
C Trimble
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Dow Silicones Corp
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Dow Corning Corp
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Filing date
Publication date
Application filed by Dow Corning Corp filed Critical Dow Corning Corp
Priority to US00318130A priority Critical patent/US3823705A/en
Priority to AU57909/73A priority patent/AU474668B2/en
Priority to IT26685/73A priority patent/IT994964B/en
Priority to CA177,228A priority patent/CA1001801A/en
Priority to DE2340410A priority patent/DE2340410C3/en
Priority to AT711673A priority patent/AT330948B/en
Priority to JP48100731A priority patent/JPS528027B2/ja
Priority to FR7345695A priority patent/FR2211208B1/fr
Priority to GB5929273A priority patent/GB1445177A/en
Priority to NL737317564A priority patent/NL152450B/en
Priority to BE139244A priority patent/BE809058A/en
Application granted granted Critical
Publication of US3823705A publication Critical patent/US3823705A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2/06—Blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14—Macromolecular materials
    • A61L27/18—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0815—Implantable devices for insertion in between organs or other soft tissues
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0815—Implantable devices for insertion in between organs or other soft tissues
    • A61B2090/0816—Implantable devices for insertion in between organs or other soft tissues for preventing adhesion

Definitions

  • ABSTRACT A blood vessel bridging device to be surgically implanted between two blood vessels to prevent partial occlusion of one by the other.
  • the device comprises a generally U-shaped molded body of, e.g., Dacron reinforced silicone rubber having flattened bearing portions at both ends thereof and a generally U-shaped cross-section at its mid portion to cradle the overlying blood vessel.
  • the present invention relates to surgical devices and more particularly to a device for surgical implantation for prevention of partial occlusion of blood vessels at points where one crosses over another.
  • the bearing portions of the device serve to support the overlying blood vessel and prevent pressure from being exerted on any confined area of the underlying vessel by the overlying one.
  • the device has been designed specifically for the point at which the right common iliac artery crosses over the left common iliac vein. Clinical evidence indicates efficacy of the device for the purpose for which it was designed.
  • FIG. 1 is a view in prespective of a bridging device made in accordance with the present invention
  • FIG. 2 is a side elevational view of the device shown in FIG. 1;
  • FIG. 3 is an end view in elevation of the device shown in FIGS. 1 and 2;
  • FIG. 4 is a vertical cross-sectional view of the device shown in FIGS. 1-3 taken along the line 44 of FIG. 2;
  • FIG. 5 is an anatomical sketch showing positioning of the device of FIGS. 1-4 within a human body
  • FIG. 6 is a view in perspective of a modified form of the device.
  • FIG. 7 is an anatomical sketch showing positioning of the device of FIG. 6 within a human body.
  • FIGS. 1-4 a molded body of semi-rigid material which consti tutes the present invention.
  • semi-rigid means a material of sufficient rigidity to retain its shape under stress from the pulsing of arteries into which it is to be placed in contact but capable of flexing to prevent anatomical damage to portions of the body adjacent to the device in the event of severe stresses.
  • the material of course, must be substantially inert with respect to the body in which it is being implanted.
  • a preferred material is Dacron fabric reinforced silicone rubber.
  • the body has a generally U-shaped configuration along its longitudinal axis and in addition has a generally U-shaped configuration in its midsection as may be seen more clearly from the cross-section in FIG. 4.
  • the opposite ends of the body are flattened to provide footplates or bearing portions 11 and 12 and preferably an elongated stripe 13 of radio-paque material is provided along the length of the device to allow visual inspection by X-ray of placement of the device subsequent to surgery.
  • the anatomical sketch shown in FIG. 5 shows placement of the device as shown in FIGS. 1-4.
  • the aorta is indicated by the numeral 14 and branches into right and left iliac arteries 15 and 16, respectively.
  • the vena cava 17 is similarly fed by the right and left iliac veins l8 and 19, respectively. Since the aorta lies to the left of the vena cava the right iliac artery 15 must cross over the left iliac vein 19. Iliac venous compression is caused by pressure exerted by the artery 15 on the vein 19.
  • the body 20 of the present invention is interposed between the artery and vein at that point.
  • the bearing portions 11 and 12 of the device are sutured to the prevertebralfascia at the iliac venous crotch and the left superior iliocaval border.
  • the right iliac artery is cradled between the upturned edges of the center portion of the device to thereby hold it in position.
  • the longitudinal U-shaped of the center portion of the device serves as a bridge over the left iliac vein to thereby eliminate pressure on the vein by the artery.
  • the device also acts as a spacer to prevent any adhesion between the vein and the artery.
  • the inherent rigidity of the device provided, for example, by the silicone rubber and the fabric reinforcement thereof from which the device is preferably manufactured, serves to maintain the relationship.
  • the bearing portion 11' at one end of the device is made substantially wider than the body of the device instead of substantially the same width of the device as is shown in FIGS. 1-4. Placement of the device in ahuman body is shown in the anatomical sketch of FIG. 7.
  • the wide bearing portion 11 can then overly the right iliac vein and bear on fascia at both sides thereof or at least spread any pressure exerted on the device by the right iliac artery over a much wider area thereby preventing adhesions.
  • the widened bearing portion 11' it is desirable for the widened bearing portion 11' to have a curvature corresponding to the curvature of the right iliac vein to minimize pressure on the right iliac vein and flattened footplates provided at each end of the bearing portion 11'.
  • the aortic bifurcation is exposed through a midline transabdominal incision.
  • the distal aorta and the right common iliac artery are mobilized and retracted to the left. Elevation of the artery permits lysis of fibrous adhesions surrounding the left iliac vein and characteristically allows the previously flattened vein to assume a substantially circular configuration.
  • Minimal posterior dissection is required.
  • the prevertebral fascia at the iliac venous crotch and the left superior ileocaval border is then exposed and the device is temporarily positioned with its footplates on these cleared areas to allow ajustments to insure. gentle arterial bridging.
  • sutures are placed into the fascia with the device removed and the free suture ends are then passed through each respective footplate. After the device is securely positioned the peritoneum is closed over the vessels and the abdomen is closed.
  • a blood vessel bridging device for surgical implantation between a juxtaposed pair of blood vessels to prevent compression of one of said vessles by the other, comprising a molded body of semi-rigid material substantially inert to the animal body having a generally 'U-shaped configuration along the longitudinal axis thereof with a flattened bearing portion at both ends thereof; the center portion of said body being also generally U-shaped in a cross-section taken perpendicular 3.
  • a pair of juxtaposed blood vessels in an animal body comprising a first vessel and a second vessel and a blood vessel bridging device to be implanted between the first and second vessel, the device comprising a molded body of semirigid material substantially inert to said body having a generally U-shaped configuration along the longitudinal axis thereof with a flattened bearing portion at both ends thereof; the center portion of said body being also generally U-shaped in a cross-section taken perpendicular to the portion of the longitudinal configuration along the longitudinal axis abutting the first vessel and spaced from the second vessel thereby to cradle the first vessel and preventing contact between said pair of vessels.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dermatology (AREA)
  • Cardiology (AREA)
  • Epidemiology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Pathology (AREA)
  • Vascular Medicine (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

A blood vessel bridging device to be surgically implanted between two blood vessels to prevent partial occlusion of one by the other. The device comprises a generally U-shaped molded body of, e.g., Dacron reinforced silicone rubber having flattened bearing portions at both ends thereof and a generally U-shaped cross-section at its mid portion to cradle the overlying blood vessel.

Description

United States Patent [191 Trimble BLOOD VESSEL BRIDGING DEVICE [75] Inventor: Cleve Trimble, Denver, C010.
[73] Assignee: Dow Corning Corporation, Midland,
Mich.
[22] Filed: Dec. 26, 1972 [21] Appl. No.: 318,130
[52] US. Cl. 128/1 R, 3/1 [51] Int. Cl A6lb 19/00 [58] Field of Search 128/1 R, 214 R, 132 R;
[56] References Cited UNITED STATES PATENTS Bodel 3/1 [111 3,823,705 July 16, 1974 Hargest l28/2l4 Bader 3/! Primary ExaminerAldrich F. Medbery Attorney, Agent, or FirmGordon Needleman; Howard W. Hermann [57] ABSTRACT A blood vessel bridging device to be surgically implanted between two blood vessels to prevent partial occlusion of one by the other. The device comprises a generally U-shaped molded body of, e.g., Dacron reinforced silicone rubber having flattened bearing portions at both ends thereof and a generally U-shaped cross-section at its mid portion to cradle the overlying blood vessel.
8 Claims, 7 Drawing Figures LaaLms PATENTEDJULI 6l974 lsnmlora Fig. 4
BLOOD VESSEL BRIDGING DEVICE BACKGROUND OF THE INVENTION The present invention relates to surgical devices and more particularly to a device for surgical implantation for prevention of partial occlusion of blood vessels at points where one crosses over another.
In a study of thrombotic and static venous diseases of the lower extremities it has been found that a preponderance of problems occur on the left side and it has been observed that many of these are apparently caused by venous adhesions and outflow obstruction produced by compression of the left common iliac vein at the point where the right common iliac artery crosses over it. The statistical significance of primary disease occuring in the left leg is overwhelming, with thrombophlebitis occuring twice as frequently on the left, ileofemoral thrombosis having a similar predominance, and lymphedema praecox having a 80 percent occurence on the left. This juncture of stasis has alsobeen implicated as a frequent source for pulmonary emboli. These diseases, of course, take a fantastic toll in clinical morbidity and mortality. Dissections inunselected autopsies show an average adult incidence of 24 percent of intimal bands or adhesions at this point. Yet, in fetal andnew born dissections virtually no such adhesions exist. It has, therefore, been theorized that the pulsating artery lying in substantial contact with the vein induces an intimal thickening and thrombosis and surgery has in the past been utilized to attempt to correct such problems. Up until the present invention, however, surgeons have suffered from an inability to prevent recurrent arterial compression following an initial restoration by surgery. It is toward that problem that the present invention is directed.
SUMMARY OF THE INVENTION overlying blood vessel and prevents contact between,
the pair of vessels. The bearing portions of the device serve to support the overlying blood vessel and prevent pressure from being exerted on any confined area of the underlying vessel by the overlying one. The device has been designed specifically for the point at which the right common iliac artery crosses over the left common iliac vein. Clinical evidence indicates efficacy of the device for the purpose for which it was designed.
BRIEF DESCRIPTION OF DRAWINGS The invention will be better understood by reference to the following detailed description when read in connection with the accompanying drawings wherein:
FIG. 1 is a view in prespective of a bridging device made in accordance with the present invention;
FIG. 2 isa side elevational view of the device shown in FIG. 1;
FIG. 3 is an end view in elevation of the device shown in FIGS. 1 and 2;
FIG. 4 is a vertical cross-sectional view of the device shown in FIGS. 1-3 taken along the line 44 of FIG. 2;
FIG. 5 is an anatomical sketch showing positioning of the device of FIGS. 1-4 within a human body;
FIG. 6 is a view in perspective of a modified form of the device, and
FIG. 7 is an anatomical sketch showing positioning of the device of FIG. 6 within a human body.
DESCRIPTION OF PREFERRED EMBODIMENTS Referring now to the drawings wherein like reference characters designate like or corresponding parts throughout the figures thereof there is shown in FIGS. 1-4 a molded body of semi-rigid material which consti tutes the present invention. The term semi-rigid as used herein means a material of sufficient rigidity to retain its shape under stress from the pulsing of arteries into which it is to be placed in contact but capable of flexing to prevent anatomical damage to portions of the body adjacent to the device in the event of severe stresses. The material, of course, must be substantially inert with respect to the body in which it is being implanted. A preferred material is Dacron fabric reinforced silicone rubber.
As may be seen from FIGS. 14 the body has a generally U-shaped configuration along its longitudinal axis and in addition has a generally U-shaped configuration in its midsection as may be seen more clearly from the cross-section in FIG. 4. The opposite ends of the body are flattened to provide footplates or bearing portions 11 and 12 and preferably an elongated stripe 13 of radio-paque material is provided along the length of the device to allow visual inspection by X-ray of placement of the device subsequent to surgery.
The anatomical sketch shown in FIG. 5 shows placement of the device as shown in FIGS. 1-4. The aorta is indicated by the numeral 14 and branches into right and left iliac arteries 15 and 16, respectively. The vena cava 17 is similarly fed by the right and left iliac veins l8 and 19, respectively. Since the aorta lies to the left of the vena cava the right iliac artery 15 must cross over the left iliac vein 19. Iliac venous compression is caused by pressure exerted by the artery 15 on the vein 19. The body 20 of the present invention is interposed between the artery and vein at that point. The bearing portions 11 and 12 of the device are sutured to the prevertebralfascia at the iliac venous crotch and the left superior iliocaval border. The right iliac artery is cradled between the upturned edges of the center portion of the device to thereby hold it in position. The longitudinal U-shaped of the center portion of the device serves as a bridge over the left iliac vein to thereby eliminate pressure on the vein by the artery. The device also acts as a spacer to prevent any adhesion between the vein and the artery. The inherent rigidity of the device provided, for example, by the silicone rubber and the fabric reinforcement thereof from which the device is preferably manufactured, serves to maintain the relationship.
In about 20 percent of the cases in which iliac venous it is preferable to have a device shaped such as the modification 20 shown in FIG. 6 in which the bearing portion 11' at one end of the device is made substantially wider than the body of the device instead of substantially the same width of the device as is shown in FIGS. 1-4. Placement of the device in ahuman body is shown in the anatomical sketch of FIG. 7. The wide bearing portion 11 can then overly the right iliac vein and bear on fascia at both sides thereof or at least spread any pressure exerted on the device by the right iliac artery over a much wider area thereby preventing adhesions. Obviously it is desirable for the widened bearing portion 11' to have a curvature corresponding to the curvature of the right iliac vein to minimize pressure on the right iliac vein and flattened footplates provided at each end of the bearing portion 11'.
In the preferred operative technique for implanting the device of the present invention the aortic bifurcation is exposed through a midline transabdominal incision. The distal aorta and the right common iliac artery are mobilized and retracted to the left. Elevation of the artery permits lysis of fibrous adhesions surrounding the left iliac vein and characteristically allows the previously flattened vein to assume a substantially circular configuration. Minimal posterior dissection is required. The prevertebral fascia at the iliac venous crotch and the left superior ileocaval border is then exposed and the device is temporarily positioned with its footplates on these cleared areas to allow ajustments to insure. gentle arterial bridging. When alignment is deemed proper sutures are placed into the fascia with the device removed and the free suture ends are then passed through each respective footplate. After the device is securely positioned the peritoneum is closed over the vessels and the abdomen is closed.
It should be realized that although the description of a preferred embodiments refers only to a device for bridging the left iliac vein, similar devices utilizing the same principles may be used in other portions of the human body or in animal bodies if similar conditions exist. It will also be obvious to those skilled in the art that some modifications and variations of the device may be made without departing from the spirit and scope of the invention; therefore, it is to be understood that within the scope of the amended claims the invention may be practiced otherwise than as specifically described.
That which is claimed is: l. A blood vessel bridging device for surgical implantation between a juxtaposed pair of blood vessels to prevent compression of one of said vessles by the other, comprising a molded body of semi-rigid material substantially inert to the animal body having a generally 'U-shaped configuration along the longitudinal axis thereof with a flattened bearing portion at both ends thereof; the center portion of said body being also generally U-shaped in a cross-section taken perpendicular 3. A blood vessel bridging device as defined in claim 2 wherein said device is fabric reinforced silicone rubber.
4. A blood vessel bridging device as defined in claim 3 wherein a stripe of radiopaque material is molded integrally therewith along the length thereof.
5. A blood vessel bridging device as definedin claim 1 wherein at least one of said bearing portions is substantially wider than the remainder of said body.
6. A blood vessel bridging device as defined in claim 5 wherein said device is fabric reinforced silicone rubber.
7. A blood vessel bridging device as defined in claim 6 wherein a stripe of radiopaque material is molded integrally therewith along the length thereof.
8. The combination of a pair of juxtaposed blood vessels in an animal body, the blood vessels comprising a first vessel and a second vessel and a blood vessel bridging device to be implanted between the first and second vessel, the device comprising a molded body of semirigid material substantially inert to said body having a generally U-shaped configuration along the longitudinal axis thereof with a flattened bearing portion at both ends thereof; the center portion of said body being also generally U-shaped in a cross-section taken perpendicular to the portion of the longitudinal configuration along the longitudinal axis abutting the first vessel and spaced from the second vessel thereby to cradle the first vessel and preventing contact between said pair of vessels.

Claims (8)

1. A blood vessel bridging device for surgical implantation between a juxtaposed pair of blood vessels to prevent compression of one of said vessles by the other, comprising a molded body of semi-rigid material substantially inert to the animal body having a generally U-shaped configuration along the longitudinal axis thereof with a flattened bearing portion at both ends thereof; the center portion of said body being also generally U-shaped in a cross-section taken perpendicular to the longitudinal axis of said body to thereby cradle the overlying blood vessel and prevent contact between said pair of vessels.
2. A blood vessel bridging device as defined in claim 1 wherein both of said bearing portions are of substantially the same width as the remainder of said device.
3. A blood vessel bridging device as defined in claim 2 wherein said device is fabric reinforced silicone rubber.
4. A blood vessel bridging device as defined in claim 3 wherein a stripe of radiopaque material is molded integrally therewith along the length thereof.
5. A blood vessel bridging device as defined in claim 1 wherein at least one of said bearing portions is substantially wider than the remainder of said body.
6. A blood vessel bridging device as defined in claim 5 wherein said device is fabric reinforced silicone rubber.
7. A blood vessel bridging device as defined in claim 6 wherein a stripe of radiopaque material is molded integrally therewith along the length thereof.
8. The combination of a pair of juxtaposed blood vessels in an animal body, the blood vessels comprising a first vessel and a second vessel and a blood vessel bridging device to be implanted between the first and second vessel, the device comprising a molded body of semi-rigid material substantially inert to said body having a generally U-shaped configuration along the longitudinal axis thereof with a flattened bearing portion at both ends thereof; the centEr portion of said body being also generally U-shaped in a cross-section taken perpendicular to the portion of the longitudinal configuration along the longitudinal axis abutting the first vessel and spaced from the second vessel thereby to cradle the first vessel and preventing contact between said pair of vessels.
US00318130A 1972-12-26 1972-12-26 Blood vessel bridging device Expired - Lifetime US3823705A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US00318130A US3823705A (en) 1972-12-26 1972-12-26 Blood vessel bridging device
AU57909/73A AU474668B2 (en) 1972-12-26 1973-07-10 Blood vessel bridging device
IT26685/73A IT994964B (en) 1972-12-26 1973-07-17 DEVICE FOR BRIDGING BLOOD VESSELS
CA177,228A CA1001801A (en) 1972-12-26 1973-07-24 Blood vessel bridging device
DE2340410A DE2340410C3 (en) 1972-12-26 1973-08-09 Surgical implant for protecting blood vessels
AT711673A AT330948B (en) 1972-12-26 1973-08-14 DEVICE FOR BRIDGING BLOOD VESSELS
JP48100731A JPS528027B2 (en) 1972-12-26 1973-09-06
FR7345695A FR2211208B1 (en) 1972-12-26 1973-12-20
GB5929273A GB1445177A (en) 1972-12-26 1973-12-21 Blood vessel bridging device
NL737317564A NL152450B (en) 1972-12-26 1973-12-21 IMPLANT FOR SEPARATING VEINS.
BE139244A BE809058A (en) 1972-12-26 1973-12-21 BLOOD VESSEL BRIDGE DEVICE

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US00318130A US3823705A (en) 1972-12-26 1972-12-26 Blood vessel bridging device

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US3823705A true US3823705A (en) 1974-07-16

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US00318130A Expired - Lifetime US3823705A (en) 1972-12-26 1972-12-26 Blood vessel bridging device

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US (1) US3823705A (en)
JP (1) JPS528027B2 (en)
AT (1) AT330948B (en)
AU (1) AU474668B2 (en)
BE (1) BE809058A (en)
CA (1) CA1001801A (en)
DE (1) DE2340410C3 (en)
FR (1) FR2211208B1 (en)
GB (1) GB1445177A (en)
IT (1) IT994964B (en)
NL (1) NL152450B (en)

Cited By (17)

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US4013078A (en) * 1974-11-25 1977-03-22 Feild James Rodney Intervertebral protector means
WO1994010913A1 (en) * 1992-11-12 1994-05-26 Neville Alleyne Cardiac protection device
EP0766950A2 (en) * 1995-10-05 1997-04-09 Peter J. Jannetta Neurovascular bridge implant
US5866217A (en) * 1991-11-04 1999-02-02 Possis Medical, Inc. Silicone composite vascular graft
US6053935A (en) * 1996-11-08 2000-04-25 Boston Scientific Corporation Transvaginal anchor implantation device
US6689047B2 (en) 2000-11-15 2004-02-10 Scimed Life Systems, Inc. Treating urinary incontinence
US20050126576A1 (en) * 2003-11-04 2005-06-16 Ferree Bret A. Protecting biological structures, including the great vessels, particularly during spinal surgery
US6936052B2 (en) 2001-03-09 2005-08-30 Boston Scientific Scimed, Inc. System for implanting an implant and method thereof
US7025772B2 (en) 2001-03-09 2006-04-11 Scimed Life Systems, Inc. System for implanting an implant and method thereof
US7361138B2 (en) 2003-07-31 2008-04-22 Scimed Life Systems, Inc. Bioabsorbable casing for surgical sling assembly
US7402133B2 (en) 2002-12-17 2008-07-22 Boston Scientific Scimed, Inc. Spacer for sling delivery system
US8033983B2 (en) 2001-03-09 2011-10-11 Boston Scientific Scimed, Inc. Medical implant
WO2013063222A1 (en) * 2011-10-25 2013-05-02 Vanderbilt University Apparatus and method for vascular and nerve separation and bridging
WO2014098810A1 (en) * 2012-12-18 2014-06-26 Empire Technology Development, Llc Vascular reinforcement device
WO2014098811A3 (en) * 2012-12-18 2015-06-25 Empire Technology Development, Llc Helical vascular reinforcement device
WO2015152738A1 (en) * 2014-04-04 2015-10-08 Ossis Limited Surgical shield
USD792588S1 (en) * 2015-10-30 2017-07-18 Ossis Limited Surgical shield

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GB2050175B (en) * 1977-07-07 1982-07-14 Bentley Lab A traumatic valving mechanism
GB2203342B (en) * 1987-04-07 1991-12-11 Julian Garth Ellis Radio-opaque tracer for surgical implants
IL106738A (en) * 1993-08-19 1998-02-08 Mind E M S G Ltd Device for external correction of deficient valves in venous junctions

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US3176316A (en) * 1963-01-07 1965-04-06 Bruce R Bodell Plastic prosthetic tendon
US3461869A (en) * 1966-04-05 1969-08-19 Bio Medical Systems Inc Permanent skin exit device
US3577837A (en) * 1968-04-30 1971-05-11 Karl F Bader Jr Subdermal tendon implant

Patent Citations (3)

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US3176316A (en) * 1963-01-07 1965-04-06 Bruce R Bodell Plastic prosthetic tendon
US3461869A (en) * 1966-04-05 1969-08-19 Bio Medical Systems Inc Permanent skin exit device
US3577837A (en) * 1968-04-30 1971-05-11 Karl F Bader Jr Subdermal tendon implant

Cited By (33)

* Cited by examiner, † Cited by third party
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NL7317564A (en) 1974-06-28
FR2211208B1 (en) 1976-06-25
AU5790973A (en) 1975-01-16
AU474668B2 (en) 1976-07-29
DE2340410B2 (en) 1975-01-09
CA1001801A (en) 1976-12-21
DE2340410A1 (en) 1974-07-11
ATA711673A (en) 1975-10-15
NL152450B (en) 1977-03-15
IT994964B (en) 1975-10-20
FR2211208A1 (en) 1974-07-19
AT330948B (en) 1976-07-26
JPS49100888A (en) 1974-09-24
DE2340410C3 (en) 1975-08-28
GB1445177A (en) 1976-08-04
BE809058A (en) 1974-06-21
JPS528027B2 (en) 1977-03-05

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