FR2724839A1 - Positioning element for implant used in repair surgery - Google Patents

Positioning element for implant used in repair surgery Download PDF

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Publication number
FR2724839A1
FR2724839A1 FR9411569A FR9411569A FR2724839A1 FR 2724839 A1 FR2724839 A1 FR 2724839A1 FR 9411569 A FR9411569 A FR 9411569A FR 9411569 A FR9411569 A FR 9411569A FR 2724839 A1 FR2724839 A1 FR 2724839A1
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FR
France
Prior art keywords
implant
guide
sheath
transplant
positioning element
Prior art date
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
FR9411569A
Other languages
French (fr)
Other versions
FR2724839B1 (en
Inventor
Jean Frismand
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Cousin Freres SA
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Cousin Freres SA
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Publication date
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Priority to FR9411569A priority Critical patent/FR2724839B1/en
Publication of FR2724839A1 publication Critical patent/FR2724839A1/en
Application granted granted Critical
Publication of FR2724839B1 publication Critical patent/FR2724839B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/08Muscles; Tendons; Ligaments
    • A61F2/0805Implements for inserting tendons or ligaments

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rehabilitation Therapy (AREA)
  • Rheumatology (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)

Abstract

The positioning element consists of a mesh sleeve (4) to support and reinforce the implant (1), and a guide (5) which is inserted in the sleeve around the implant to ensure, by its rigidity, precise positioning of the implant. After the implant has been fixed in position the guide is extracted. The guide consists at least partially of a tube of a transparent plastic material selected from the group comprising PTEG, cellulose acetate, PVC or methacrylate.

Description

DISPOSITIF DE POSITIONNEMENT D'UN IMPLANT EN CHIRURGIE
REPARATRICE
La présente invention a pour objet un dispositif de positionnement d'un implant ou transplant en chirurgie réparatrice.
DEVICE FOR POSITIONING AN IMPLANT IN SURGERY
REPAIRER
The present invention relates to a device for positioning an implant or transplant in reconstructive surgery.

I1 est maintenant courant en chirurgie de remplacer un organe ou autre élément du corps humain par greffe d'un implant extérieur ou d'un transplant (prélevé à l'intérieur du corps de la personne) qui doit être fixé dans une position déterminée afin de pouvoir se développer et se reconstituer. Dans le cas des articulations, et notamment du genou, il est connu de remplacer un ligament par un transplant prélevé entre le tibia et la rotule. Une telle opération se révèle malheureusement nécessaire en particulier, chez certains sportifs de haut niveau. Le transplant tendineux de l'ordre de un centimètre de large est prélévé sur le tiers central de l'appareil extenseur. Il doit venir se fixer d'un côté dans la gouttière rétrocondylienne externe et de l'autre côté, dans le tunnel tibial. It is now common in surgery to replace an organ or other element of the human body by grafting an external implant or a transplant (taken inside the body of the person) which must be fixed in a determined position in order to to be able to develop and reconstitute. In the case of joints, and in particular of the knee, it is known to replace a ligament with a transplant taken between the tibia and the patella. Such an operation is unfortunately unfortunately necessary in particular for certain high-level athletes. The tendon transplant on the order of a centimeter wide is taken from the central third of the extensor apparatus. It must be fixed on one side in the external retrocondylar groove and on the other side, in the tibial tunnel.

Après prélèvement, il est connu de recouvrir le transplant par une gaine de recouvrement qui protège le transplant et assure un renfort ligamentaire.After removal, it is known to cover the transplant with a covering sheath which protects the transplant and provides ligament reinforcement.

Mais le problème qui se pose est que notamment en voisinage du genou se trouvent de nombreuses attaches de muscles, vaisseaux et nerfs. Or, il est nécessaire de passer entre ceux-ci pour positionner le transplant dans la position désirée. L'utilisation des pinces permettant d'écarter les muscles ne permet pas toujours d'opérer dans de bonnes conditions et, par ailleurs, la gaine et le transplant ne présentent aucune rigidité. But the problem which arises is that in particular in the vicinity of the knee there are numerous attachments of muscles, vessels and nerves. However, it is necessary to pass between them to position the transplant in the desired position. The use of forceps making it possible to spread the muscles does not always make it possible to operate in good conditions and, moreover, the sheath and the transplant present no rigidity.

La présente invention a pour objet de pallier cet inconvénient.The object of the present invention is to overcome this drawback.

Selon l'invention, le dispositif de positionnement d'un implant en chirurgie réparatrice comprenant une gaine en filet pour maintenir et renforcer l'implant est caractérisé en ce qu'il comprend en outre, un guide inséré dans la gaine autour de l'implant pour assurer, par sa rigidité, une implantation précise, ledit guide étant extrait de la gaine pour laisser en place l'implant à l'intérieur de la gaine.According to the invention, the device for positioning an implant in restorative surgery comprising a mesh sheath for holding and strengthening the implant is characterized in that it further comprises a guide inserted in the sheath around the implant to ensure, by its rigidity, a precise implantation, said guide being extracted from the sheath to leave the implant in place inside the sheath.

Selon une autre caractéristique de l'invention, le dispositif de positionnement est caractérisé en ce que ledit guide est constitué au moins partiellement par un tube en matière plastique transparente. La transparence du guide permet de voir le transplant pendant son passage et par suite, de mieux le tirer. Par ailleurs, lors de l'extraction du guide, le filet de préférence en matériau colonisable tel que du polyester ne présente aucune adhérence sur le tube, ce qui facilite son extraction.According to another characteristic of the invention, the positioning device is characterized in that said guide is constituted at least partially by a tube made of transparent plastic. The transparency of the guide makes it possible to see the transplant during its passage and consequently, to draw it better. Furthermore, during the extraction of the guide, the net preferably made of colonizable material such as polyester has no adhesion to the tube, which facilitates its extraction.

D'autres caractéristiques et avantages de l'invention apparaîtront au cours de la description qui va suivre d'un mode particulier de réalisation, donné uniquement à titre d'exemple non limitatif, en regard des dessins qui représentent
- La Figure 1, une vue du transplant lors de son insertion
dans l'ensemble guide + gaine ;
- La Figure 2, une vue du transplant à l'intérieur de la
gaine.
Other characteristics and advantages of the invention will appear during the description which follows of a particular embodiment, given solely by way of nonlimiting example, with reference to the drawings which represent
- Figure 1, a view of the transplant during its insertion
overall guide + sheath;
- Figure 2, a view of the transplant inside the
sheath.

Sur la figure 1, on voit que le transplant 1 comprenant deux extrémités 2 et 3 est glissé à l'intérieur d'une gaine 4 incluant un guide 5. De préférence, la gaine 4 est suffisament élastique pour contenir le guide rigide 5 en matière plastique transparente qui présente à sa partie postérieure une première gouttière 6 et à sa partie antérieure une seconde gouttière permettant un guidage précis. Des fils 9 sont fixés aux deux extrémités de l'implant et des fils 8 dans les parties avant et arrière de la gaine 4. Le mode opératoire est le suivant - dans un premier temps, le transplant est positionné dans la gouttière 6 et il est tiré par les fils 9 de sa partie avant à l'intérieur du guide 5. Lorsqu'il est totalement inclus à l'intérieur de la cavité du guide 5, l'ensemble est positionné aux endroits déterminés, l'implant étant fixé provisoirement.En l'attirant vers l'arrière, le guide 5 glisse sur le transplant 1, à l'intérieur de la gaine 4 qui se referme éventuellement par tirage sur les fils 8 sur l'implant 1 pour maintenir celui-ci. Après extraction du guide 5, les opérations connues de fixation de la gaine et de l'implant sont réalisées par des moyens connus tels que l'agrafage, les vis d'interférence ou les sutures puis l'entrée est refermée pour isoler l'ensemble de la fixation.In FIG. 1, it can be seen that the transplant 1 comprising two ends 2 and 3 is slid inside a sheath 4 including a guide 5. Preferably, the sheath 4 is sufficiently elastic to contain the rigid guide 5 in material transparent plastic which has at its rear part a first gutter 6 and at its front part a second gutter allowing precise guidance. Wires 9 are fixed at the two ends of the implant and wires 8 in the front and rear parts of the sheath 4. The operating mode is as follows - firstly, the transplant is positioned in the groove 6 and it is pulled by the wires 9 from its front part inside the guide 5. When it is completely included inside the cavity of the guide 5, the assembly is positioned at the determined locations, the implant being provisionally fixed. By pulling it backwards, the guide 5 slides on the transplant 1, inside the sheath 4 which optionally closes by pulling on the wires 8 on the implant 1 to maintain the latter. After extraction of the guide 5, the known operations for fixing the sheath and the implant are carried out by known means such as stapling, interference screws or sutures then the inlet is closed to isolate the assembly. fixing.

Le tube peut comprendre une ou, comme représenté sur le dessin, deux gouttières. Dans le cas d'une seule gouttière, la gaine est fermée à l'une de ses extrémités. Cette extrémité est insérée dans un trou borgne formé dans le fémur. Le tube a alors un diamètre de 12 à 14 mm pour une longueur de 20 cm environ.The tube may include one or, as shown in the drawing, two gutters. In the case of a single gutter, the sheath is closed at one of its ends. This end is inserted into a blind hole formed in the femur. The tube then has a diameter of 12 to 14 mm for a length of about 20 cm.

Dans le cas d'une gouttière double, la longueur atteint environ 30 cm. Des résultats satisfaisants ont été obtenus avec du PTEG, de l'acétate de cellulose, du chlorure de polyvinyle ou avec du métacrylate.In the case of a double gutter, the length reaches approximately 30 cm. Satisfactory results have been obtained with PTEG, cellulose acetate, polyvinyl chloride or with metacrylate.

Bien que dans la description qui précède, on ait pris comme exemple la transplantation d'un greffon tendinaire, il est évident que le dispositif de positionnement peut être utilisé dans d'autres domaines chirurgicaux.Although in the foregoing description, the transplantation of a tendon graft has been taken as an example, it is obvious that the positioning device can be used in other surgical fields.

I1 va de soi que de nombreuses variantes peuvent être apportées, notamment par substitution de moyens techniques équivalents, sans sortir pour cela du cadre de l'invention.  It goes without saying that many variants can be made, in particular by substitution of equivalent technical means, without going beyond the ambit of the invention.

Claims (3)

REVENDICATIONS 10 Dispositif de positionnement d'un implant en chirurgie10 Device for positioning an implant in surgery réparatrice comprenant une gaine (4) en filet pour repairer comprising a mesh sheath (4) for maintenir et renforcer l'implant, caractérisé en ce maintain and strengthen the implant, characterized in qu'il comprend en outre un guide (5) inséré dans la that it further comprises a guide (5) inserted in the gaine (4), autour de l'implant (1) pour assurer, par sa sheath (4), around the implant (1) to ensure, by its rigidité, une implantation précise, ledit guide étant rigidity, precise positioning, said guide being ensuite extrait de la gaine (4). then extracted from the sheath (4). 20 Dispositif selon la revendication 1, caractérisé en ce20 Device according to claim 1, characterized in that que le guide (5) est constitué au moins partiellement that the guide (5) consists at least partially par un tube en matière plastique transparente. by a transparent plastic tube. 30 Dispositif selon la revendication 2, caractérisé en ce30 Device according to claim 2, characterized in that que le guide (5) est réalisé en un matériau choisi dans that the guide (5) is made of a material chosen from la classe regroupant : le PTEG, l'acétate de cellulose, the class comprising: PTEG, cellulose acetate, le chlorure de polyvinyle, les métacrylates.  polyvinyl chloride, metacrylates.
FR9411569A 1994-09-28 1994-09-28 DEVICE FOR POSITIONING AN IMPLANT IN RESTORATIVE SURGERY Expired - Fee Related FR2724839B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9411569A FR2724839B1 (en) 1994-09-28 1994-09-28 DEVICE FOR POSITIONING AN IMPLANT IN RESTORATIVE SURGERY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9411569A FR2724839B1 (en) 1994-09-28 1994-09-28 DEVICE FOR POSITIONING AN IMPLANT IN RESTORATIVE SURGERY

Publications (2)

Publication Number Publication Date
FR2724839A1 true FR2724839A1 (en) 1996-03-29
FR2724839B1 FR2724839B1 (en) 1997-04-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037835A1 (en) * 1997-02-25 1998-09-03 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same
AU743846B2 (en) * 1997-02-25 2002-02-07 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same
AU761989B2 (en) * 1997-02-25 2003-06-12 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223370A2 (en) * 1985-10-17 1987-05-27 Bahaa Botros Seedhom Prosthetic ligament
US4946462A (en) * 1988-12-12 1990-08-07 Watanabe Robert S Arthroscopic guide and method
WO1991006249A1 (en) * 1989-11-03 1991-05-16 Bahaa Botros Seedhom Ligament fixation device
FR2669527A1 (en) * 1990-11-23 1992-05-29 Asa Laboratoires Prothaid Reinforcement orthesis for the replacement of a defective ligament by means of an autologous transplant
EP0498690A1 (en) * 1991-02-05 1992-08-12 Patrick Surer Implant for ligament surgery
WO1993000866A2 (en) * 1991-07-11 1993-01-21 Legrand Jean Jacques Device for reinforcing a ligament transplant during reconstructive surgery
US5257996A (en) * 1991-12-13 1993-11-02 Mcguire David A Surgical pin passer
GB2274992A (en) * 1993-02-16 1994-08-17 Neoligaments Ltd Prosthetic ligament implantation assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223370A2 (en) * 1985-10-17 1987-05-27 Bahaa Botros Seedhom Prosthetic ligament
US4946462A (en) * 1988-12-12 1990-08-07 Watanabe Robert S Arthroscopic guide and method
WO1991006249A1 (en) * 1989-11-03 1991-05-16 Bahaa Botros Seedhom Ligament fixation device
FR2669527A1 (en) * 1990-11-23 1992-05-29 Asa Laboratoires Prothaid Reinforcement orthesis for the replacement of a defective ligament by means of an autologous transplant
EP0498690A1 (en) * 1991-02-05 1992-08-12 Patrick Surer Implant for ligament surgery
WO1993000866A2 (en) * 1991-07-11 1993-01-21 Legrand Jean Jacques Device for reinforcing a ligament transplant during reconstructive surgery
US5257996A (en) * 1991-12-13 1993-11-02 Mcguire David A Surgical pin passer
GB2274992A (en) * 1993-02-16 1994-08-17 Neoligaments Ltd Prosthetic ligament implantation assembly

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998037835A1 (en) * 1997-02-25 1998-09-03 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same
EP1011535A1 (en) * 1997-02-25 2000-06-28 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same
EP1011535A4 (en) * 1997-02-25 2002-01-16 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same
AU743846B2 (en) * 1997-02-25 2002-02-07 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same
AU761989B2 (en) * 1997-02-25 2003-06-12 Philip Stuart Esnouf Surgical aid for connective tissue grafting and method for employing same
US6602290B2 (en) 1997-02-25 2003-08-05 Centerpulse Orthopedics Inc. Surgical aid for connective tissue grafting and method for employing same

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Publication number Publication date
FR2724839B1 (en) 1997-04-25

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