FR2771621A1 - Impact driver for surgical bone implants - Google Patents

Impact driver for surgical bone implants Download PDF

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Publication number
FR2771621A1
FR2771621A1 FR9715193A FR9715193A FR2771621A1 FR 2771621 A1 FR2771621 A1 FR 2771621A1 FR 9715193 A FR9715193 A FR 9715193A FR 9715193 A FR9715193 A FR 9715193A FR 2771621 A1 FR2771621 A1 FR 2771621A1
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FR
France
Prior art keywords
anchor
end
rod
hole
fins
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.)
Pending
Application number
FR9715193A
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French (fr)
Inventor
Andre Granger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EOS MEDICAL
Original Assignee
EOS MEDICAL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EOS MEDICAL filed Critical EOS MEDICAL
Priority to FR9715193A priority Critical patent/FR2771621A1/en
Publication of FR2771621A1 publication Critical patent/FR2771621A1/en
Application status is Pending legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0409Instruments for applying suture anchors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0412Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors having anchoring barbs or pins extending outwardly from suture anchor body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0414Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors having a suture-receiving opening, e.g. lateral opening
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0427Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors having anchoring barbs or pins extending outwardly from the anchor body
    • A61B2017/0437Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors having anchoring barbs or pins extending outwardly from the anchor body the barbs being resilient or spring-like

Abstract

The driver (1) has a stepped (30,31) rod (3) with an internal bore. A slotted (41) outer sleeve (4) contains a cylindrical mass (22) with a diameter less than that of the tube bore and a diametrical hole to receive a suture.

Description

La présente invention a pour objet un dispositif comprenant un impacteur et une ancre pour une réinsertion i ntra-osseuse, notamment myo-ostéotendineuse. The present invention relates to a device comprising an impactor and an anchor to a bone-i ntra reintegration including myo-deep tendon.

Une ancre de réinsertion intra-osseuse permet d'attacher à de la matière osseuse des tissus mous, des tendons et des ligaments à l'aide d'un fil de suture. An intraosseous reintegration anchor to attach to the bone tissue of the soft tissues, tendons and ligaments by means of a suture.

On connait déjà de nombreux types d'ancre de réinsertion osseuse, consistant généralement en une petite pièce en forme de harpon, c'est-à-dire qu'elle comporte une pointe et des ailettes qui s'étendent dans la direction opposée à ladite pointe. Are already known many types of bone anchor reintegration, generally consisting of a small piece harpoon-shaped, that is to say that it comprises a tip and fins which extend in the direction opposite to said point.

L'ancre comporte également un trou pratiqué dans le sens transversal pour permettre le passage d'un fil de suture. The anchor also comprises a hole in the transverse direction to permit passage of a suture.

En pratique, l'ancre est introduite dans la matière osseuse par impaction, sans nécessairement le forage préalable d'un trou. In practice the anchor is inserted into the bone matter by impaction, without necessarily prior drilling of a hole.

Une ancre de ce type est notamment décrite dans le document FR-A-2.736.257, cette ancre ayant comme particularité que ses ailettes sont réalisées en un matériau à mémoire de forme, en sorte qu'à basse température les ailettes sont resserrées les unes contre les autres, et que leur réchauffement provoque leur déploiement. An anchor of this type is described in particular in document FR-A-2736257, this anchor with the particularity that its fins are made from a shape memory material, so that at low temperature the fins are tightened to each against others, and their warming causes deployment.

Dans le document FR-A-2.736.257 est également décrit un dispositif d'impacteur qui consiste en une tige métallique d'un diamètre inférieur à celui maximum de l'ancre, comprenant longitudinalement deux gorges longitudinales destinées à accueillir le fil de suture, et à son extrémité un moyen d'accrochage de ladite ancre, consistant en un trou borgne et une fente transversale, tandis qu'une bague est enfilée étroitement sur ladite tige. In document FR-A-2736257 also discloses a device which impactor consists of a metal rod of a diameter less than that maximum anchor comprising longitudinally two longitudinal grooves intended to receive the suture, and at its end a fastening means of said anchor, consisting of a blind hole and a transverse slot, while a ring is threaded tightly on said shaft.

L'ancre comporte une partie de queue percée transversalement, destinée à être engagée dans le trou borgne de la tige, le fil de suture passant dans le trou de ladite partie de queue et dans la fente transversale de ladite tige, tandis que la bague maintient ledit fil et les ailettes de l'ancre. The anchor includes a tail portion pierced transversely, intended to be engaged in the blind hole of the shank, the suture passing through the hole of said shank portion and in the transverse slot of said rod, while the ring holds said wire and the fins of the anchor.

Ce dispositif présente de nombreux inconvénients, en effet, outre le fait qu'il est fréquent que les ailettes se déploient avant l'impaction complète, d'une part l'ancre n'est pas parfaitement maintenue à l'extrémité de l'impacteur, et d'autre part il n'est pas possible de remplacer le fil de suture, du fait de la présence de la bague, alors qu'il arrive que le fil de suture mis en place lors du conditionnement ne soit pas adapté à l'intervention chirurgicale envisagée, en sorte que cela oblige à conditionner chaque type d'ancre avec chacun des types de fils de suture. This device has many drawbacks, in fact, besides the fact that it is common that the fins unfold before complete impaction, first anchor is not perfectly maintained at the end of the impactor , and secondly it is not possible to replace the suture, due to the presence of the ring, so that sometimes the suture in place during packaging is not suitable for the proposed surgery, so that it forces to condition each type of anchor with each type of suture son.

La présente invention a pour but de proposer un dispositif comprenant un impacteur et une ancre, de conception simple et d'un usage aisé, et permettant de remédier aux divers inconvénients précités. The present invention aims to provide a device comprising an impactor and an anchor, simple design and easy to use, and to overcome the various disadvantages mentioned above.

Le dispositif de réinsertion intra-osseuse selon l'invention comprend un impacteur et une ancre, cette dernière présentant une partie pointue d'introduction, des ailettes de retenue et un trou pour le passage d'un fil de suture, il se caractérise essentiellement en ce que l'impacteur comprend d'une part une tige comportant notamment deux parties de diamètres différents, une partie intermédiaire prolongée d'une partie extrême, cette dernière, qui est de diamètre le plus petit, présentant axialement à son extrémité un trou borgne; The intraosseous rehabilitation device according to the invention comprises an impactor and an anchor, the latter having a pointed part for introducing, retaining fins and a hole for the passage of a suture, it is essentially characterized in that the impactor comprises firstly a rod especially having two portions of different diameters, an extended intermediate portion of an end portion, the latter, which is of the smallest diameter, its end having axially a blind hole; et d'autre part un tube d'une longueur inférieure à celle de ladite tige et d'un diamètre interne légèrement supérieur à celui de ladite partie intermédiaire, et dont l'extrémité présente, dans le sens longitudinal, deux fentes diamétralement opposées; and secondly a tube of a length less than that of said rod and an inner diameter slightly greater than that of said intermediate portion, and whose end has, in the longitudinal direction, two diametrically opposed slots; tandis que l'ancre comporte axialement entre ses ailettes, un plot cylindrique d'un diamètre inférieur à celui dudit trou borgne et percé diamétralement du trou destiné au passage du fil de suture, ledit trou étant percé à une distance de l'extrémité libre dudit plot inférieure à la profondeur dudit trou borgne, et en regard de deux espaces séparant des ailettes de retenue, le diamètre maximum de ladite ancre permettant son introduction et son maintien à l'extrémité fendue dudit tube. while the anchor comprises axially between its fins, a cylindrical stud having a diameter smaller than said blind bore and diametrically drilled hole for the passage of the suture, said hole being drilled at a distance from the free end of pad smaller than the depth of said blind hole, and opposite two spaces between the retaining fins, the maximum diameter of said anchor for introduction to and held in the slotted end of said tube.

Les avantages et les caractéristiques de la présente invention ressortiront plus clairement de la description qui suit et qui se rapporte au dessin annexé, lequel en représente un mode de réalisation non limitatif. The advantages and features of the present invention will become apparent from the following description which refers to the attached drawing, which shows an embodiment not limiting.

Dans le dessin annexé In the accompanying drawing
- la figure 1 représente une vue partielle en perspective et en éclaté d'un dispositif de réinsertion osseuse selon l'invention. - Figure 1 shows a partial perspective and exploded view of a bone rehabilitation device according to the invention.

- la figure 2 représente une vue partielle en coupe selon un plan longitudinal du même dispositif. - Figure 2 shows a partial sectional view along a longitudinal plane of the same device.

- la figure 3 représente une vue partielle en coupe selon un plan longitudinal du même dispositif en cours d'utilisation. - Figure 3 shows a partial sectional view along a longitudinal plane of the same device in use.

Si on se réfère aux figures 1 et 2, on peut voir qu'un dispositif de réinsertion osseuse selon l'invention comprend un impacteur 1 et une ancre 2. Referring to Figures 1 and 2, it is seen that bone rehabilitation device according to the invention includes an impactor 1 and 2 an anchor.

L'ancre 2 comporte une extrémité pointue 20 destinée à être enfoncée dans la matière osseuse, et des ailettes 21 disposées en périphérie et s'étendant dans la direction opposée au sens d'introduction de l'ancre 2. Anchor 2 comprises a pointed end 20 intended to be driven into the bone material, and the fins 21 arranged at the periphery and extending in the opposite direction to the insertion direction of the anchor 2.

Elle comporte également entre les ailettes 21 un plot axial cylindrique 22 percé transversalement d'un trou 23 destiné au passage d'un fil de suture, non représenté, le trou 23 étant en regard des deux espaces 24, dont un seul est visible sur la figure 1, séparant deux ailettes 21. It also includes between the fins 21 a cylindrical axial pin 22 pierced transversely with a hole 23 for the passage of a suture thread, not shown, the hole 23 being opposite the two spaces 24, of which only one is visible in Figure 1 between two fins 21.

L'impacteur 1 comprend deux pièces, une tige 3 et un tube 4. The impactor 1 comprises two parts, a rod 3 and a tube 4.

La tige 3 est de section ronde, elle présente notamment deux parties, une partie intermédiaire 30 et partie extrême 31, cette dernière étant d'un diamètre inférieur à celui de la partie intermédiaire 30. The rod 3 is round in section, it has in particular two parts, an intermediate portion 30 and end portion 31, the latter being of a diameter smaller than that of the intermediate portion 30.

L'extrémité libre 32 de la tige 3 est percée axialement d'un trou borgne 33 d'un diamètre légèrement inférieur à celui du plot cylindrique 22 de l'ancre 2, et d'une profondeur inférieure à la distance séparant le trou transversal 23 de l'extrémité libre du plot cylindrique 22. The free end 32 of the shaft 3 is axially pierced by a blind hole 33 of a diameter slightly smaller than that of the cylindrical stud 22 of the anchor 2, and a depth less than the distance between the transverse bore 23 the free end of the cylindrical stud 22.

Le tube 4 est d'un diamètre interne sensiblement égal à celui de l'ancre 2 au niveau de ailettes 21, et légèrement supérieur à celui de la partie intermédiaire 30 de la tige 3, tandis qu'il comporte à son extrémité 40 deux fentes longitudinales 41 diamétralement opposées. The tube 4 has an internal diameter substantially equal to that of the anchor at two fins 21, and slightly larger than that of the intermediate portion 30 of the rod 3, while it has at its end two slots 40 diametrically opposed longitudinal 41.

Comme on peut le voir plus précisément sur la figure 2, l'ancre 2 est introduite dans le tube 4 par ses ailettes 21, de manière que seule la pointe 20 émerge de l'extrémité 40 et que le trou 23 soit en regard des fentes longitudinales 41. As can be seen more clearly in Figure 2, the anchor 2 is introduced into the tube 4 by its fins 21, so that only the tip 20 emerges from the end 40 and the hole 23 is opposite slots longitudinal 41.

L'ancre 2 est maintenue étroitement dans le tube 4, tandis que le plot cylindrique 22 est introduit dans le trou borgne 33 et vient en butée contre le fond 34 de celuici. The anchor 2 is held tightly in the tube 4, while the cylindrical pad 22 is introduced into the blind hole 33 and abuts against the bottom 34 thereof.

On notera que l'extrémité libre 32 de la tige 3 comporte une paroi extérieure 35 tronconique, ce qui permet une insertion aisée de cette extrémité 32 entre le plot cylindrique 22 et les ailettes 21 de l'ancre 2. Note that the free end 32 of the rod 3 includes an outer frustoconical wall 35, allowing easy insertion of the end 32 between the cylindrical stud 22 and the fins 21 of the anchor 2.

On peut aisément comprendre que du fait de l'alignement du trou 23 et des fentes 41, l'ancre 2 peut, avant l'impaction, être équipée de n'importe quel fil de suture, non représenté. One can easily understand that due to the alignment of the hole 23 and slits 41, the anchor 2 can, prior to impaction, be equipped with any suture thread, not shown.

En pratique, la pointe 20 de l'ancre 2, qui maintenue au bout de l'impacteur 1, est positionnée à l'emplacement choisi, et le praticien frappe sur l'extrémité, non représentée, de la tige 3, opposée à l'extrémité libre 32, et qui peut comporter un moyen de préhension, tel qu'une poignée. In practice, the tip 20 of the anchor 2, which maintained after the impactor 1 is positioned at the selected location, and the practitioner strikes the end, not shown, of the rod 3 opposite to the free end 32, which may comprise a gripping means, such as a handle.

Lors de l'impaction, l'ancre 2 pénètre dans la matière osseuse et l'extrémité libre 42 du tube 4 vient en butée contre celle-ci avec pour conséquence la libération de l'ancre 2, comme cela est visible sur la figure 3. During impaction, the anchor 2 penetrates into the bone tissue and the free end 42 of the tube 4 abuts against the latter with the consequent release of the anchor 2, as can be seen in Figure 3 .

On notera que l'impacteur 1 peut comporter un moyen de blocage entre le tube 4 et la tige 3 lorsque cette dernière est extraite de l'extrémité 40 du tube 4, afin d'immobiliser celui-ci pour qu'il ne tombe pas, ce moyen de blocage pouvant être un rétrécissement du diamètre interne du tube 4, réalisé non loin de l'extrémité 40, et sur lequel vient se serrer la partie intermédiaire 30 de la tige 3. Note that the impactor 1 can comprise locking means between the tube 4 and the rod 3 when the latter is extracted from the end 40 of the tube 4, in order to immobilize the latter so that it does not fall, this locking means may be a narrowing of the internal diameter of the tube 4, made close to the end 40, and on which comes to tighten the intermediate portion 30 of the rod 3.

On notera également que l'ancre du dispositif selon l'invention peut être réalisée dans un matériau à mémoire de forme. Note also that the anchor of the device according to the invention may be embodied in a shape memory material.

Claims (3)

REVENDICATIONS
1) Dispositif comprenant un impacteur et une ancre pour une réinsertion intra-osseuse, notamment myoostéotendineuse, ladite ancre présentant une partie pointue d'introduction, des ailettes de retenue et un trou pour le passage d'un fil de suture, caractérisé en ce que l'impacteur (1) comprend d'une part une tige (3) comportant notamment deux parties (30, 31) de diamètres différents, une partie intermédiaire (30) prolongée d'une partie extrême (31), cette dernière, qui est de diamètre le plus petit, présentant axialement à son extrémité (32) un trou borgne (33); 1) A device comprising an impactor and an anchor for an intraosseous reintegration, in particular myoostéotendineuse, said anchor having a pointed part for introducing, retaining fins and a hole for the passage of a suture, characterized in that the impactor (1) comprises on the one hand a rod (3) comprising in particular two parts (30, 31) of different diameter, an intermediate portion (30) extended by an end portion (31), the latter, which is the smallest diameter, having axially at its end (32) a blind hole (33); et d'autre part un tube (4) d'une longueur inférieure à celle de ladite tige (3) et d'un diamètre interne légèrement supérieur à celui de ladite partie intermédiaire (30), et dont l'extrémité (40) présente, dans le sens longitudinal, deux fentes (41) diamétralement opposées; and secondly a tube (4) of a length less than that of said rod (3) and an inner diameter slightly greater than that of said intermediate portion (30), and whose end (40) has , in the longitudinal direction, two slots (41) diametrically opposed; tandis que l'ancre (2) comporte axialement entre ses ailettes (21), un plot cylindrique (22) d'un diamètre inférieur à celui dudit trou borgne (33) et percé diamétralement du trou (23) destiné au passage du fil de suture, ledit trou (23) étant percé à une distance de l'extrémité libre dudit plot (22) inférieure à la profondeur dudit trou borgne (33), et en regard de deux espaces (24) séparant des ailettes (21) de retenue, le diamètre maximum de ladite ancre (2) permettant son introduction et son maintien à l'extrémité fendue (40) dudit tube (4). while the anchor (2) is provided axially between its fins (21), a cylindrical pad (22) of a diameter smaller than said blind bore (33) and diametrically drilled hole (23) for the passage of the yarn suture, said hole (23) being pierced at a distance from the free end of said stud (22) smaller than the depth of said blind hole (33), and opposite two spaces (24) between the fins (21) for retaining the maximum diameter of said anchor (2) for introduction to and held in the slotted end (40) of said tube (4).
2) Dispositif selon la revendication 1 caractérisé en ce que l'extrémité libre (32) de la tige (3) comporte une paroi extérieure (35) tronconique. 2) Device according to claim 1 characterized in that the free end (32) of the rod (3) has an outer wall (35) tapered.
3) Dispositif selon la revendication 1 ou la revendication 2 caractérisé en ce que l'impacteur comporte un moyen de blocage permettant d'immobiliser le tube (4) sur la tige (3) après l'impaction. 3) Device according to claim 1 or claim 2 characterized in that the impactor comprises a locking means for securing the tube (4) on the rod (3) after impaction.
FR9715193A 1997-11-28 1997-11-28 Impact driver for surgical bone implants Pending FR2771621A1 (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
FR9715193A FR2771621A1 (en) 1997-11-28 1997-11-28 Impact driver for surgical bone implants

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WO2002083007A1 (en) * 2001-04-13 2002-10-24 Scimed Life Systems, Inc. Bone-anchor loading devices and methods of use therefor
WO2012134955A1 (en) * 2011-03-25 2012-10-04 Smith & Nephew, Inc. Flat suture anchor
US8496657B2 (en) 2006-02-07 2013-07-30 P Tech, Llc. Methods for utilizing vibratory energy to weld, stake and/or remove implants
FR2991159A1 (en) * 2012-06-05 2013-12-06 In2Bones rotating anchor medical and medical kit comprising said anchor
US8617185B2 (en) 2007-02-13 2013-12-31 P Tech, Llc. Fixation device
US8747439B2 (en) 2000-03-13 2014-06-10 P Tech, Llc Method of using ultrasonic vibration to secure body tissue with fastening element
US8808329B2 (en) 1998-02-06 2014-08-19 Bonutti Skeletal Innovations Llc Apparatus and method for securing a portion of a body
US8814902B2 (en) 2000-05-03 2014-08-26 Bonutti Skeletal Innovations Llc Method of securing body tissue
US8845699B2 (en) 1999-08-09 2014-09-30 Bonutti Skeletal Innovations Llc Method of securing tissue
US8845687B2 (en) 1996-08-19 2014-09-30 Bonutti Skeletal Innovations Llc Anchor for securing a suture
US9060767B2 (en) 2003-04-30 2015-06-23 P Tech, Llc Tissue fastener and methods for using same
US9089323B2 (en) 2005-02-22 2015-07-28 P Tech, Llc Device and method for securing body tissue
US9138222B2 (en) 2000-03-13 2015-09-22 P Tech, Llc Method and device for securing body tissue
US9149281B2 (en) 2002-03-20 2015-10-06 P Tech, Llc Robotic system for engaging a fastener with body tissue
US9173650B2 (en) 2006-02-07 2015-11-03 P Tech, Llc Methods and devices for trauma welding
US9173647B2 (en) 2004-10-26 2015-11-03 P Tech, Llc Tissue fixation system
US9226828B2 (en) 2004-10-26 2016-01-05 P Tech, Llc Devices and methods for stabilizing tissue and implants
US9271766B2 (en) 2004-10-26 2016-03-01 P Tech, Llc Devices and methods for stabilizing tissue and implants
US9439642B2 (en) 2006-02-07 2016-09-13 P Tech, Llc Methods and devices for utilizing bondable materials
US9463012B2 (en) 2004-10-26 2016-10-11 P Tech, Llc Apparatus for guiding and positioning an implant
US9750496B2 (en) 2002-08-27 2017-09-05 P Tech, Llc System for securing a portion of a body
US10058393B2 (en) 2015-10-21 2018-08-28 P Tech, Llc Systems and methods for navigation and visualization
US10076377B2 (en) 2013-01-05 2018-09-18 P Tech, Llc Fixation systems and methods

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Cited By (45)

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