FR2513111A1 - Endoscopically installed oesophageal prosthesis - has flexible tube with covered funnel having coaxial hole of dia. close to that of tube - Google Patents

Endoscopically installed oesophageal prosthesis - has flexible tube with covered funnel having coaxial hole of dia. close to that of tube Download PDF

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Publication number
FR2513111A1
FR2513111A1 FR8117926A FR8117926A FR2513111A1 FR 2513111 A1 FR2513111 A1 FR 2513111A1 FR 8117926 A FR8117926 A FR 8117926A FR 8117926 A FR8117926 A FR 8117926A FR 2513111 A1 FR2513111 A1 FR 2513111A1
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France
Prior art keywords
tube
funnel
prosthesis
prosthesis according
dia
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8117926A
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French (fr)
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FR2513111B3 (en
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Individual
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Individual
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Priority to FR8117926A priority Critical patent/FR2513111A1/en
Publication of FR2513111A1 publication Critical patent/FR2513111A1/en
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Publication of FR2513111B3 publication Critical patent/FR2513111B3/fr
Granted legal-status Critical Current

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • 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
    • A61F2002/044—Oesophagi or esophagi or gullets
    • 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
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/3008—Properties of materials and coating materials radio-opaque, e.g. radio-opaque markers
    • 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
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30224—Three-dimensional shapes cylindrical
    • A61F2002/30235—Three-dimensional shapes cylindrical tubular, e.g. sleeves
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0069—Three-dimensional shapes cylindrical
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
    • A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers

Abstract

The device is in the form of a tube made from a fibre reinforced pliable material, such as latex, with a funnel at its upper end. The funnel is cylindrical at its top and conical at its base. It has a transverse wall across the top pierced by a hole which is coaxial with the tube and having a dia. close to that of the inner tube dia. The transverse wall gives the funnel sufficient rigidity to remain in place without causing pain to the patient, the hole allowing the passage of food through the tube to the stomach. The lower end of the tube is not reinforced in order to given max. suppleness and comfort. Two rings of radioscopically opaque material, one in the transverse wall over the funnel and the other forming a ledge at the lower reinforced end of the tube assist the endoscopic installation of the device.

Description

La présente Invention concerne une prothèse oesophagienne endoscopique.The present invention relates to an endoscopic esophageal prosthesis.

On sait que certaines tumeurs oesophagiennes ont pour résultat d'obturer complètement le passage oesophagien.It is known that certain esophageal tumors result in completely blocking the esophageal passage.

Lorsque ces tumeurs ne peuvent être éliminées chirurgicalement, il est indispensable de mettre en place une prothèse dans l'oesophage, afin de permettre l'alimentation du malade.When these tumors cannot be removed by surgery, it is essential to place a prosthesis in the esophagus, in order to allow the patient to feed.

On connaît déja a cet effet des prothèses constituées d'un tube pourvu à leur partie supérieure d'un entonnoir servant à la fois à l'ancrage de la prothèse et au guidage des aliments vers le tube. De telles prothèses étaient initialement mises en place par voie chirurgicale, mais sont de plus en plus installées par voie endoscopique. Elles sont spécialement réalisées en des matières synthétiques ou naturelles souples, éventuellement armées de fibres.Already known for this purpose prostheses consisting of a tube provided at their upper part with a funnel used both for anchoring the prosthesis and guiding food to the tube. Such prostheses were initially placed surgically, but are increasingly installed endoscopically. They are specially made of flexible synthetic or natural materials, possibly reinforced with fibers.

La partie en entonnoir de ces prothèses connues soulève de nombreux problèmes. En effet, si l'entonnoir est trop rigide, il provoque des douleurs au patient et la prothèse risque d'etre chassée vers le haut, par effet de coin, par la pression de la tumeur. Si l'entonnoir est trop souple, il est écrasé par la tumeur et risque de tomber en direction de l'estomac. Enfin, un tel entonnoir est sujet à se boucher puisqu'il débouche dans un tube de diamètre plus petit.The funneling part of these known prostheses raises many problems. Indeed, if the funnel is too rigid, it causes pain to the patient and the prosthesis risks being driven upwards, by wedge effect, by the pressure of the tumor. If the funnel is too soft, it is crushed by the tumor and may fall towards the stomach. Finally, such a funnel is subject to clogging since it opens into a tube of smaller diameter.

Dans ce cas, seule une intervention chirurgicale permet de déboucher l'entonnoir.In this case, only surgery can unclog the funnel.

La présente invention a pour objet de remédier à ces inconvénients. Elle permet d'obtenir une prothèse dont l'entonnoir est non obturable et à la fois suffisamment rigide et souple, d'une part pour n'occasionner que le minimum de douleurs au patient et d'autre part pour rester en place.The object of the present invention is to remedy these drawbacks. It makes it possible to obtain a prosthesis whose funnel is not obturable and at the same time sufficiently rigid and flexible, on the one hand to cause only the minimum of pain to the patient and on the other hand to stay in place.

A cette fin, selon l'invention, la prothèse oesophagienne endoscopique comportant un tube pourvu d'un entonnoir à sa partie supérieure et réalisée en une matière souple, éventuel- lement armée, est remarquable en ce que ledit entonnoir est obturé par une paroi transversale, percée d'un trou coaxial audit tube et dont le diamètre est voisin du diamètre intérieur dudit tube.To this end, according to the invention, the endoscopic esophageal prosthesis comprising a tube provided with a funnel at its upper part and made of a flexible material, possibly reinforced, is remarkable in that said funnel is closed by a transverse wall. , pierced with a hole coaxial with said tube and whose diameter is close to the inside diameter of said tube.

Ainsi, ledit entonnoir n'est plus sujet à engorgement. En effet, tout aliment passant par le trou de la paroi transversale peut traverser le tube et atteindre l'estomac. Si un aliment est trop gros pour traverser ce trou, il est arrêté par ladite paroi et rejeté vers l'extérieur par vomissement du patient. De plus, ladite paroi donne une rigidité transversale à l'entonnoir, de sorte qu'il est possible de réaliser celui-ci de façon à ce qu'il soit suffisamment souple pour ne pas imposer de douleur au patient et pour rester en place, sans risque d'écrasement ni d'ovalisation.Thus, said funnel is no longer subject to congestion. In fact, any food passing through the hole in the transverse wall can pass through the tube and reach the stomach. If a food is too large to pass through this hole, it is stopped by said wall and rejected towards the outside by vomiting of the patient. In addition, said wall gives transverse rigidity to the funnel, so that it is possible to make it so that it is flexible enough not to impose pain on the patient and to remain in place, without risk of crushing or ovalization.

La rigidité due à ladite paroi peut être renforcée par la pose d'un anneau d'une matière radioscopiquement opaque, utile pour le contrôle radioscopique de la mise en place endoscopique. Par ailleurs, la forme de l'entonnoir peut être étudiée pour minimiser les rejets par effet de coin. A cette fin, l'entonnoir peut comporter une partie sensiblement cylindrique du côté de la paroi, reliée au tube par une partie conique arrondie. De préférence, la partie sensiblement cylindrique peut présenter une légère conicité inverse de celle de la partie conique consécutive, de sorte que l'entonnoir présente la forme approximative d'un verre à cognac.The rigidity due to said wall can be reinforced by the installation of a ring of a radioscopically opaque material, useful for the radioscopic control of the endoscopic positioning. In addition, the shape of the funnel can be studied to minimize releases by wedge effect. To this end, the funnel may comprise a substantially cylindrical part on the side of the wall, connected to the tube by a rounded conical part. Preferably, the substantially cylindrical part may have a slight conicity opposite to that of the consecutive conical part, so that the funnel has the approximate shape of a cognac glass.

La prothèse selon l'invention peut être réalisée en une seule pièce d'une matière souple telle qu'un latex. I1 est alors avantageux que le tube soit rigidifié au moins en partie par une armature, par exemple un fil hélicoidal de polyamide. Afin de n'être pas traumatisante, l'extrémité du tube opposé à l'entonnoir, n'est pas armée pour être souple au maximum. Cett,e extrémité peut s'effiler vers l'extérieur.The prosthesis according to the invention can be produced in a single piece of a flexible material such as a latex. It is then advantageous for the tube to be stiffened at least in part by a reinforcement, for example a helical polyamide wire. In order not to be traumatic, the end of the tube opposite the funnel is not reinforced to be as flexible as possible. This end can taper outward.

De préférence, afin d'une part d'éviter le recul de cette extrémité souple vers le tube armé et d'autre part de fournir un autre repère radioscopique pour la mise en place endoscopique de la prothèse, celle-ci comporte un second anneau de matière radioscopiquement opaque entre ladite extrémité et ledit tube. Ce second anneau peut former une légère saillie par rapport au reste du tube et de ladite extrémite.Preferably, in order on the one hand to prevent the retraction of this flexible end towards the reinforced tube and on the other hand to provide another radioscopic reference for the endoscopic positioning of the prosthesis, the latter comprises a second ring of radioscopically opaque material between said end and said tube. This second ring can form a slight projection relative to the rest of the tube and said end.

Bien entendu, la prothèse selon l'invention peut être réalisée en différents diamètres et différentes longueurs.Of course, the prosthesis according to the invention can be produced in different diameters and different lengths.

De même, le tube peut être droit ou au contraire conformé de façon anatomique.Likewise, the tube can be straight or, on the contrary, anatomically shaped.

Les figures du dessin annexé feront bien comprendre comment l'invention peut être réalisée.The figures of the appended drawing will make it clear how the invention can be implemented.

La figure 1 est une vue en perspective d'un mode de realisati de la prothèse selon l'invention.Figure 1 is a perspective view of an embodiment of the prosthesis according to the invention.

La figure 2 est une coupe longitudinale agrandie de la prothèse de la figure 1.Figure 2 is an enlarged longitudinal section of the prosthesis of Figure 1.

La prothèse selon l'invention, montrée par ces figures, est réalisée en une seule pièce d'un latex. Elle comporte une partie tubulaire 1 surmontée d'une tulipe élargie 2 et prolongée vers le bas par une partie effilée 3. Seule la partie tubulaire 1 est armée par un enroulement hélicoïdal 4 d'un fil de polyamide.The prosthesis according to the invention, shown by these figures, is produced in a single piece of a latex. It comprises a tubular part 1 surmounted by an enlarged tulip 2 and extended downwards by a tapered part 3. Only the tubular part 1 is reinforced by a helical winding 4 of a polyamide thread.

La tulipe 2 comporte une partie conique 2a de raccord à la pallie tubulaire 1 et une partie conique 2b présentant une faible conicité de sens opposé à celle de la partie 2a. The tulip 2 comprises a conical part 2a for connection to the tubular pallet 1 and a conical part 2b having a small conicity of direction opposite to that of the part 2a.

A sa partie supérieure, la tulipe 2 est obturée par une paroi transversale 5, percée par un orifice 6. L'orifice 6 est coaxial à la partie tubulaire 1 et son diamètre D est voisin, et de préférence au plus égal, du diamètre intérieur d de cette partie tubulaire. At its upper part, the tulip 2 is closed by a transverse wall 5, pierced by an orifice 6. The orifice 6 is coaxial with the tubular part 1 and its diameter D is close to, and preferably at most equal to, the internal diameter d of this tubular part.

Dans la paroi 5. est incorporé un anneau 7 d'une matière souple radio-opaque. De même, au voisinage de la jonction entre la partie tubulaire 1 et la partie effilée d'extrémité 3 est incorporé un second anneau 8 d'une matière souple radio-opaque. L'anneau 8 forme un léger bourrelet en saillie 9. In the wall 5. is incorporated a ring 7 of a radiopaque flexible material. Similarly, in the vicinity of the junction between the tubular part 1 and the tapered end part 3 is incorporated a second ring 8 of a radiopaque flexible material. The ring 8 forms a slight protruding bead 9.

Claims (8)

REVENDICATIONS 1.- Prothèse oesophagienne endoscopique comportant un tube (1) pourvu d'un entonnoir (2) à sa partie supérieure et réalisée en une matière souple, éventuellement armée, caractérisée en ce que ledit entonnoir (2) est obturé par une paroi transversale (5), percée d'un trou (6) coaxial audit tube (1) et dont le diamètre D est voisin du diamètre intérieur d dudit tube (1).1.- Endoscopic esophageal prosthesis comprising a tube (1) provided with a funnel (2) at its upper part and made of a flexible material, possibly reinforced, characterized in that said funnel (2) is closed by a transverse wall ( 5), pierced with a hole (6) coaxial with said tube (1) and whose diameter D is close to the internal diameter d of said tube (1). 2.- Prothèse selon la revendication 1, caractérisée en ce qu'un anneau (7) d'une matière souple radioscopiquement opaque est incorporé audit entonnoir (2).2. A prosthesis according to claim 1, characterized in that a ring (7) of a radioscopically opaque flexible material is incorporated into said funnel (2). 3.- Prothèse selon la revendication 2, caractérisée en ce que ledit anneau (7) est incorporé dans la paroi transversale (5).3. A prosthesis according to claim 2, characterized in that said ring (7) is incorporated in the transverse wall (5). 4.- Prothèse selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'entonnoir (2) comporte une partie sensiblement cylindrique (2b) du côté de la paroi (5), reliée au tube (1) par une partie conique arrondie (2a).4. A prosthesis according to any one of claims 1 to 3, characterized in that the funnel (2) comprises a substantially cylindrical part (2b) on the side of the wall (5), connected to the tube (1) by a rounded conical part (2a). 5.- Prothèse selon la revendication 4, caractérisée en ce que la partie sensiblement cylindrique 2b présente une légère conicité inverse de celle de la partie conique 2a.5. A prosthesis according to claim 4, characterized in that the substantially cylindrical part 2b has a slight conicity opposite to that of the conical part 2a. 6.- Prothèse selon l'une quelconque des revendications 1 à 5, caractérisée en ce que, du côté opposé à l'entonnoir, le tube est prolongé par une partie souple effilée. 6. Prosthesis according to any one of claims 1 to 5, characterized in that, on the side opposite to the funnel, the tube is extended by a flexible tapered part. 7.- Prothèse selon la revendication 6, caractérisée en ce qu'un anneau (8) d'une matière souple radioscopiquement opaque est prévu au voisinage de la jonction du tube (i) et de la partie effilée (3). 7. A prosthesis according to claim 6, characterized in that a ring (8) of a radioscopically opaque flexible material is provided in the vicinity of the junction of the tube (i) and the tapered part (3). B.- Prothèse selon la revendication 7, caractérisée en ce que l'anneau (8) forme un bourrelet (9) en saillie par rapport au tube (1). B.- Prosthesis according to claim 7, characterized in that the ring (8) forms a bead (9) projecting relative to the tube (1). 9.- Prothèse selon l'une quelconque des revendications 1 à 8, caractérisée en ce qu'elle est réalisée en une seule pièce d'un latex, seule le tube (1) est renforcé par une armature (4) 9. A prosthesis according to any one of claims 1 to 8, characterized in that it is produced in a single piece of latex, only the tube (1) is reinforced by a frame (4)
FR8117926A 1981-09-23 1981-09-23 Endoscopically installed oesophageal prosthesis - has flexible tube with covered funnel having coaxial hole of dia. close to that of tube Granted FR2513111A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8117926A FR2513111A1 (en) 1981-09-23 1981-09-23 Endoscopically installed oesophageal prosthesis - has flexible tube with covered funnel having coaxial hole of dia. close to that of tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8117926A FR2513111A1 (en) 1981-09-23 1981-09-23 Endoscopically installed oesophageal prosthesis - has flexible tube with covered funnel having coaxial hole of dia. close to that of tube

Publications (2)

Publication Number Publication Date
FR2513111A1 true FR2513111A1 (en) 1983-03-25
FR2513111B3 FR2513111B3 (en) 1984-07-20

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575063A1 (en) * 1984-12-21 1986-06-27 Cassou Robert GYNECOLOGICAL PROBE FOR ARTIFICIAL INSEMINATION, IN PARTICULAR FOR SWINE
US4747849A (en) * 1986-01-13 1988-05-31 Claude Galtier Oesophagus prosthesis
WO1988006026A2 (en) * 1987-02-17 1988-08-25 Alberto Arpesani Internal prosthesis for the substitution of a part of the human body particularly in vascular surgery
WO1996029954A1 (en) * 1995-03-28 1996-10-03 Norman Godin Prosthesis for preventing gastro-oesophageal reflux
FR2768920A1 (en) * 1997-10-01 1999-04-02 Bernard Dumas Polyurethane tracheobronchial endoprosthesis
US6264700B1 (en) 1998-08-27 2001-07-24 Endonetics, Inc. Prosthetic gastroesophageal valve
US6302917B1 (en) 1998-08-31 2001-10-16 Wilson-Cook Medical Incorporated Anti-reflux esophageal prosthesis
WO2013050381A1 (en) * 2011-10-05 2013-04-11 Biomedix S.A. Anti- reflux or anti - obesity prosthesis

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6746489B2 (en) 1998-08-31 2004-06-08 Wilson-Cook Medical Incorporated Prosthesis having a sleeve valve
US8221505B2 (en) 2007-02-22 2012-07-17 Cook Medical Technologies Llc Prosthesis having a sleeve valve

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575063A1 (en) * 1984-12-21 1986-06-27 Cassou Robert GYNECOLOGICAL PROBE FOR ARTIFICIAL INSEMINATION, IN PARTICULAR FOR SWINE
EP0189702A1 (en) * 1984-12-21 1986-08-06 Robert Cassou Gynecological instrument, particularly for the artificial insemination or veterinary treatment of animals such a piglets
US4747849A (en) * 1986-01-13 1988-05-31 Claude Galtier Oesophagus prosthesis
WO1988006026A2 (en) * 1987-02-17 1988-08-25 Alberto Arpesani Internal prosthesis for the substitution of a part of the human body particularly in vascular surgery
WO1988006026A3 (en) * 1987-02-17 1988-10-06 Alberto Arpesani Internal prosthesis for the substitution of a part of the human body particularly in vascular surgery
WO1996029954A1 (en) * 1995-03-28 1996-10-03 Norman Godin Prosthesis for preventing gastro-oesophageal reflux
US5861036A (en) * 1995-03-28 1999-01-19 Biomedix S.A. Switzerland Medical prosthesis for preventing gastric reflux in the esophagus
FR2768920A1 (en) * 1997-10-01 1999-04-02 Bernard Dumas Polyurethane tracheobronchial endoprosthesis
US6264700B1 (en) 1998-08-27 2001-07-24 Endonetics, Inc. Prosthetic gastroesophageal valve
US6302917B1 (en) 1998-08-31 2001-10-16 Wilson-Cook Medical Incorporated Anti-reflux esophageal prosthesis
WO2013050381A1 (en) * 2011-10-05 2013-04-11 Biomedix S.A. Anti- reflux or anti - obesity prosthesis
US9572701B2 (en) 2011-10-05 2017-02-21 Biomedix Anti-reflux or anti-obesity prosthesis
US10085867B2 (en) 2011-10-05 2018-10-02 Biomedix Anti-reflux or anti-obesity prosthesis

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