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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
Authority
FR
France
Prior art keywords
anchor
rod
hole
impactor
tube
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
Other languages
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
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/04Surgical instruments, devices or methods 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
    • A61B17/04Surgical instruments, devices or methods 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
    • A61B17/04Surgical instruments, devices or methods 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
    • A61B17/04Surgical instruments, devices or methods 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
    • A61B17/04Surgical instruments, devices or methods 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

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Rheumatology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

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 subject of the present invention is a device comprising an impactor and an anchor for intra-osseous reinsertion, in particular myo-osteotendinous.

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 reinsertion anchor allows soft tissue, tendons and ligaments to be attached to bone material using 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. There are already known many types of bone reinsertion anchor, generally consisting of a small harpoon-shaped piece, that is to say that it has a point 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 has a hole made in the transverse direction to allow the passage of a suture thread.

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 introduced into the bone material by impaction, without necessarily drilling a hole beforehand.

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-2,736,257, this anchor having the particularity that its fins are made of a shape memory material, so that at low temperature the fins are tightened together against the others, and that their warming causes their 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. Document FR-A-2,736,257 also describes an impactor device which consists of a metal rod with a diameter less than the maximum of the anchor, comprising two longitudinal grooves longitudinally intended to receive the suture, and at its end means for hooking said anchor, consisting of a blind hole and a transverse slot, while a ring is threaded tightly on said rod.

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 has a transversely pierced tail portion, intended to be engaged in the blind hole of the stem, the suture passing through the hole of said tail portion and in the transverse slot of said stem, while the ring maintains said wire and the anchor fins.

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, in addition to the fact that it is common for the fins to deploy before complete impact, on the one hand the anchor is not perfectly maintained at the end of the impactor , and on the other hand it is not possible to replace the suture thread, due to the presence of the ring, while it happens that the suture thread put in place during packaging is not suitable for the 'planned surgical intervention, so that it requires conditioning each type of anchor with each of the types of sutures.

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 object of the present invention is to propose a device comprising an impactor and an anchor, of simple design and easy to use, and making it possible to remedy the various aforementioned drawbacks.

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; 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; 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. The intraosseous reinsertion device according to the invention comprises an impactor and an anchor, the latter having a pointed insertion part, retaining fins and a hole for the passage of a suture thread, it is essentially characterized by that the impactor comprises on the one hand a rod comprising in particular two parts of different diameters, an intermediate part extended by an end part, the latter, which is of the smallest diameter, having axially at its end a blind hole; and on the other hand a tube with a length less than that of said rod and an internal diameter slightly greater than that of said intermediate part, and the end of which has, in the longitudinal direction, two diametrically opposite slots; while the anchor comprises axially between its fins, a cylindrical stud of a diameter smaller than that of said blind hole and drilled diametrically with the hole intended for the passage of the suture, said hole being drilled at a distance from the free end of said stud less than the depth of said blind hole, and opposite two spaces separating retaining fins, the maximum diameter of said anchor allowing its introduction and its maintenance at the split 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 characteristics of the present invention will emerge more clearly from the description which follows and which refers to the appended drawing, which represents a non-limiting embodiment thereof.

Dans le dessin annexé
- la figure 1 représente une vue partielle en perspective et en éclaté d'un dispositif de réinsertion osseuse selon l'invention.
In the attached drawing
- Figure 1 shows a partial perspective and exploded view of a bone reinsertion 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. If one refers to FIGS. 1 and 2, it can be seen that a bone reinsertion device according to the invention comprises an impactor 1 and an anchor 2.

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. The anchor 2 has a pointed end 20 intended to be inserted into the bone material, and fins 21 disposed at the periphery and extending in the direction opposite to the direction of introduction 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 comprises between the fins 21 a cylindrical axial stud 22 pierced transversely with a hole 23 intended for the passage of a suture thread, not shown, the hole 23 being opposite the two spaces 24, only one of which is visible on the Figure 1, separating 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 of round section, it has in particular two parts, an intermediate part 30 and end part 31, the latter being of a diameter less than that of the intermediate part 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 rod 3 is axially pierced with a blind hole 33 of a diameter slightly less than that of the cylindrical stud 22 of the anchor 2, and of a depth less than the distance separating the transverse hole 23 of 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 2 at the level of fins 21, and slightly greater than that of the intermediate part 30 of the rod 3, while it has at its end 40 two slots longitudinal 41 diametrically opposite.

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 precisely in FIG. 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 the 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 stud 22 is introduced into the blind hole 33 and abuts against the bottom 34 of this.

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. It will be noted that the free end 32 of the rod 3 has a frustoconical outer wall 35, which allows easy insertion of this 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. It can easily be understood that due to the alignment of the hole 23 and the slots 41, the anchor 2 can, before the impact, be fitted with any suture, 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 point 20 of the anchor 2, which is held at the end of the impactor 1, is positioned at the chosen location, and the practitioner strikes on the end, not shown, of the rod 3, opposite to the free end 32, and which may include 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 the impact, the anchor 2 penetrates into the bone material and the free end 42 of the tube 4 abuts against the latter with the consequence of releasing the anchor 2, as can be seen in FIG. 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. It will be noted that the impactor 1 may comprise a 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 possibly being a narrowing of the internal diameter of the tube 4, produced not far from the end 40, and on which the intermediate part 30 of the rod 3 is tightened.

On notera également que l'ancre du dispositif selon l'invention peut être réalisée dans un matériau à mémoire de forme.  It will also be noted that the anchor of the device according to the invention can be made of 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); 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; 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). 1) Device comprising an impactor and an anchor for intraosseous reinsertion, in particular myoosteotendinous, said anchor having a pointed insertion part, retaining fins and a hole for the passage of a suture thread, characterized in that the impactor (1) comprises on the one hand a rod (3) comprising in particular two parts (30, 31) of different diameters, an intermediate part (30) extended by an end part (31), the latter, which is of smallest diameter, having axially at its end (32) a blind hole (33); and on the other hand a tube (4) of a length less than that of said rod (3) and of an internal diameter slightly greater than that of said intermediate part (30), and the end (40) of which has , in the longitudinal direction, two diametrically opposite slots (41); while the anchor (2) comprises axially between its fins (21), a cylindrical stud (22) of a diameter less than that of said blind hole (33) and pierced diametrically with the hole (23) intended for the passage of the wire suturing, said hole (23) being drilled at a distance from the free end of said stud (22) less than the depth of said blind hole (33), and opposite two spaces (24) separating retaining fins (21) , the maximum diameter of said anchor (2) allowing its introduction and its maintenance at the split 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) frustoconical. 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 blocking means for immobilizing the tube (4) on the rod (3) after the impaction.
FR9715193A 1997-11-28 1997-11-28 Impact driver for surgical bone implants Pending FR2771621A1 (en)

Priority Applications (1)

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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FR9715193A FR2771621A1 (en) 1997-11-28 1997-11-28 Impact driver for surgical bone implants

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US8496657B2 (en) 2006-02-07 2013-07-30 P Tech, Llc. Methods for utilizing vibratory energy to weld, stake and/or remove implants
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US8845699B2 (en) 1999-08-09 2014-09-30 Bonutti Skeletal Innovations Llc Method of securing tissue
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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
US9173647B2 (en) 2004-10-26 2015-11-03 P Tech, Llc Tissue fixation system
US9173650B2 (en) 2006-02-07 2015-11-03 P Tech, Llc Methods and devices for trauma welding
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
US11246638B2 (en) 2006-05-03 2022-02-15 P Tech, Llc Methods and devices for utilizing bondable materials
US11253296B2 (en) 2006-02-07 2022-02-22 P Tech, Llc Methods and devices for intracorporeal bonding of implants with thermal energy
US11278331B2 (en) 2006-02-07 2022-03-22 P Tech Llc Method and devices for intracorporeal bonding of implants with thermal energy

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