WO2011079910A2 - Endoscope destiné notamment à la chirurgie mini-invasive de la colonne vertébrale - Google Patents

Endoscope destiné notamment à la chirurgie mini-invasive de la colonne vertébrale Download PDF

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Publication number
WO2011079910A2
WO2011079910A2 PCT/EP2010/007639 EP2010007639W WO2011079910A2 WO 2011079910 A2 WO2011079910 A2 WO 2011079910A2 EP 2010007639 W EP2010007639 W EP 2010007639W WO 2011079910 A2 WO2011079910 A2 WO 2011079910A2
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope according
optical
handpiece
outer tube
endoscope
Prior art date
Application number
PCT/EP2010/007639
Other languages
German (de)
English (en)
Other versions
WO2011079910A3 (fr
Inventor
Wolfgang Ries
Original Assignee
Joimax Gmbh
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 Joimax Gmbh filed Critical Joimax Gmbh
Publication of WO2011079910A2 publication Critical patent/WO2011079910A2/fr
Publication of WO2011079910A3 publication Critical patent/WO2011079910A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
    • A61B1/3135—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes for examination of the epidural or the spinal space
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163—Optical arrangements
    • A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
    • A61B1/00167—Details of optical fibre bundles, e.g. shape or fibre distribution
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres

Definitions

  • Endoscope especially for minimally invasive surgery on the spine
  • the invention relates to an endoscope, in particular for minimally invasive surgery, with a handle with a rigid tubular outer tube, in which at least one tubular working channel, a tubular flushing channel and at least one tubular optical channel are provided.
  • Drill usually another access must be laid or the illumination of the work area is too weak to receive a suitable recording of the operating area to be operated. Especially in operations on the spinal column, it is important to obtain a very good illumination of the working area in order to avoid an intervention in which e.g. one
  • Part of the bone is removed by milling, not to damage the surrounding nerve tissue.
  • BEST ⁇ TI ⁇ UNGS pugs Endoscopes are therefore tiring for a surgeon. Furthermore, the arrangements of such endoscopes are usually too flexible, so that rigid tools such as milling cutters or drills can not be used.
  • the endoscope has a rigid needle-shaped outer tube. Within the needle, light-conducting and image-conducting glass fiber bundles and a working channel are arranged. Such endoscopes are also heavy and cumbersome due to the integrated in the handpiece optics.
  • the channels are arranged so asymmetrically within the outer tube, so that by means of a photoconductive glass fiber bundle in all remaining free spaces of the outer tube (10) a maximum illumination intensity can be achieved.
  • the aforementioned tubular channels are usually in particular, a circular cross-section.
  • Dielectric material devices suitable for directing light, such as glass fibers, are particularly preferred. According to the purpose of the light pipe, a distinction must be made between light-conducting glass fiber bundles, so-called light guides, for pure fiber optic illumination and image-guiding glass fiber bundles, so-called image conductors, for optical image transmission.
  • the optical channel is filled with such an image-conducting glass fiber bundle, an image guide.
  • An image guide is used for optical image transmission and is a fiber bundle in which the fibers are arranged geometrically the same at the entrance and exit, i. Each fiber in the light entrance and the light exit plane are assigned the same geometric locations or coordinates.
  • an image guide has a diameter of 0.72 mm, has a protective sheath
  • the special composition of the glass fiber allows low-loss transmission of the image information due to the high transmission coefficient. Furthermore, this gives a high-resolution glass fiber, which achieves a resolution between 13,000 and 18,000 pixels.
  • the invention provides in a preferred embodiment, that for additional illumination of the work area, the remaining spaces between the
  • Channels are filled with an epoxy resin and optical fibers.
  • the remaining between the outer tube and the channels, such as working, flushing and optical channel, gaps are filled with optical fibers and epoxy resin, wherein the remaining gaps are formed substantially crescent-shaped, wherein at least one, at most two intermediate spaces are formed. It can be filled with light guides the entire spaces.
  • the Optical fibers are suitable for fiber optic illumination.
  • the thus filled cross section is larger than that of a comparable coaxial ring of a rigid endoscope. This ensures a powerful and homogeneous illumination of the work area.
  • the working channel, the flushing channel and the optical channel are arranged asymmetrically within the outer tube, wherein it is preferably provided that at least two channels are arranged with their outer diameter along a central axis of the outer tube. Also, the invention particularly preferably provides that the channels are in contact with each other and / or with an inner wall of the outer tube at least at one point of their respective circumference. This ensures that both the optical channel and in particular ⁇ special of the working channel can be designed to be maximally large and space for other functionalities such as
  • An inventive endoscope in particular has an outer tube with a length of approx.
  • the arrangement according to the invention preferably provides for this, that a ratio of an outer diameter of the working channel to an inner diameter of the outer tube is between 0.6 and 0.8, whereby the existing cross section is optimally exploitable.
  • the handle has a knot part made of stainless steel.
  • the node part is formed as an association of Luer-lock connections for the different channels, wherein
  • the node part of the handpiece has proximally another Luer lock connection for a flushing device.
  • aligned with the outer tube training of the working channel is conditional that the handle has proximally formed in an acute VJinkel angled from the outer tube channel for the optical fiber optic.
  • the handpiece is connected to an optical part via an image-conducting glass fiber bundle, wherein the image guide from 'dista-len end of the hand part to z! m formed proximal end of the optical part consistently.
  • the optical part contains the required components for decoupling the image signal from the image conductor.
  • the spatial separation of a handset and the image-processing optical part ensures that the handset can be particularly lightweight and handy, making an operator easier and more precise work.
  • a silicone protective tube In order to protect the image conductor connecting the two parts from external influences, it is provided that this is protected by a silicone protective tube.
  • the joints between the handpiece and protective tube or optical part and protective tube have a kink protection made of silicone.
  • the optical channel is located at a distal end of the handpiece.
  • Partly has a lens for object imaging and a distal window to protect the lens from dirt.
  • an optical fiber connection is arranged, through which photoconductive glass fibers, so-called optical fibers, can be coupled to the optical part and various light sources can be connected.
  • the invention further provides that a lens system is arranged downstream of the image conductor at the proximal end of the optical part, and that at the proximal end of the optical system
  • Optics part is arranged a proximal window for the protection of the lens system.
  • a closure cap is arranged at the proximal end of the optical part, which has a connection, a flexible connection with camera and light devices is possible.
  • the special arrangement of the various channels ensures maximum utilization of the inner diameter of the outer tube within the endoscope.
  • the endoscope has the advantage that the working part and the optically processing part are spatially separated, so that a handy and consequently more precise work with this endoscope is possible.
  • Fig. 1 is a perspective view of a
  • Fig. 2 is a schematic front view of the
  • Endoscopes according to the invention, wherein a handpiece is shown in an end view
  • Fig. 3 shows a detail A of Fig. 2 of the handpiece of the endoscope according to the invention in one
  • Fig. 4 is a longitudinal section through the handpiece of
  • FIG. 5 shows a longitudinal section through an optical part.
  • an endoscope 1 which essentially comprises two parts, a handpiece 2 and an optical part 3. Both parts are connected to one another by a protective tube 4 made of silicone. Both the handpiece 2 and the optical part 3 have, at their ends facing the protective tube 4, in each case a tubular kink protection 5 made of silicone, which is arranged between the handpiece or optical part 3 and the protective tube 4 leading out and is of elongated design.
  • the handpiece 2 has a node part 6, which is made of stainless steel. At a proximal end a, the node part 6 has a connection for illumination and image transmission as well as two Luer lock connections, as entry into the working channel and for connection of a flushing / suction device.
  • a first terminal 7 serves as a connection of the
  • a second port 8 is formed proximally in alignment with the outer tube 10 as a luer lock port for inserting a tool into the handpiece 2.
  • a third connection 9 is also angled at an acute angle from the outer tube 10 of the handpiece 2 and serves as a connection for a flushing device.
  • FIG. 2 shows the endoscope 1 according to the invention with a view of the distal end side of the handpiece 2.
  • the node part 6 of the handle 2 points in
  • a tubular outer tube 10 distal direction, a tubular outer tube 10.
  • the outer diameter of the outer tube 3 is preferably 3.6 mm, with a wall thickness of less than or equal to 0.3 mm.
  • the outer tube 10 is preferably 100 mm long.
  • three channels of different diameter are arranged in an asymmetrical manner, as the enlargement A in Fig. 3 shows.
  • an optical channel 12 is formed with a diameter of 0.8 mm and a flushing channel 13 with a diameter of 0.7 mm.
  • a picture conductor 16 is embedded 0.72 mm in diameter.
  • This image guide 16 shows a percentage of less than 0.1% of lattice defects, with which a high resolution of the recorded image can be achieved.
  • the smallest possible radius of curvature of such an image-guiding glass fiber bundle is 30 mm.
  • the image bundle 16 has a sheath of silicone and light-conducting fibers.
  • the image conductor has, for example, an active diameter of 0.6 mm, with a particularly high resolution being achievable, which lies in particular in the range of 13,000 to 18,000 pixels.
  • Channel 12 continues to be at a distal end b of the handle 2 for the image conductor 16 therein
  • Lens 17 for object imaging and a distal window (not shown).
  • the distal window protects the lens from contamination and closes the optical channel 12 distally.
  • the working channel 11 is, as described, formed in alignment with the outer tube 10 and has at the proximal end a of the handpiece 2 to the Luer-lock connection 8.
  • connection 8 are rigid surgical instruments, such as e.g. Cutters or drills, easy to insert and lock.
  • the image conductor 16 is formed by the angled connection 7 and the anti-buckling device 5 in the
  • the length of the protective tube 4 is arbitrary.
  • Fig. 5 shows a longitudinal section through which the protective tube 4 subsequent optical part 3.
  • the optical part 3 has an endoscope body 18 which, like the knot part 6 of the hand part 2, is made of stainless steel.
  • the image conductor 16 is guided through the protective tube 4 and the anti-buckling 5 in the interior of the optical part 3 and connected by means of a screw-sealing element 19 liquid and gas tight. Downstream of the image conductor 16 is an eyepiece 20, which serves to focus the image to be transmitted.
  • the assembly is protected proximally by a closure cap 21.
  • the optical connector 23 is implemented via a mechanical coupling to a camera head (not shown) and via a
  • Rubber ring seal 24 hermetically seals the interior of the endoscope body 18.
  • the lens system 20 may in this case be mounted axially movable in order to achieve optimum
  • a light guide 25 is provided, wherein the light guides 15 of the light guide 25 passes freely through the optical part 3 in the protective tube 4 are.
  • Various light sources can be connected to this light guide connection 25.
  • optical fibers 15 to the fiber optic illumination fillable are complete with optical fibers 15 to the fiber optic illumination fillable.
  • the thus filled cross section is larger than a comparable ring in a rigid endoscope with comparable dimensions. This achieves powerful and homogeneous illumination to optimally illuminate the working area and record it using the imaging fiber.
  • the endoscope has the advantage that the working part and the optical processing part are spatially separated, so that a handy and more precise

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Neurology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)

Abstract

La présente invention concerne un endoscope destiné notamment à la chirurgie mini-invasive présentant une pièce à main comprenant un tube extérieur rigide dans lequel sont formés au moins un canal de travail tubulaire, un canal de lavage tubulaire et au moins un canal optique tubulaire. Les canaux sont disposés dans le tube extérieur de façon asymétrique de sorte que l'on obtient une intensité d'éclairage maximale au moyen d'un faisceau de fibres optiques guidant la lumière, dans des espaces libres restants du tube extérieur.
PCT/EP2010/007639 2009-12-18 2010-12-15 Endoscope destiné notamment à la chirurgie mini-invasive de la colonne vertébrale WO2011079910A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009017097.7 2009-12-18
DE202009017097U DE202009017097U1 (de) 2009-12-18 2009-12-18 Endkoskop insbesondere für die minimal-invasive Chirurgie an der Wirbelsäule

Publications (2)

Publication Number Publication Date
WO2011079910A2 true WO2011079910A2 (fr) 2011-07-07
WO2011079910A3 WO2011079910A3 (fr) 2011-09-01

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PCT/EP2010/007639 WO2011079910A2 (fr) 2009-12-18 2010-12-15 Endoscope destiné notamment à la chirurgie mini-invasive de la colonne vertébrale

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DE (1) DE202009017097U1 (fr)
WO (1) WO2011079910A2 (fr)

Cited By (34)

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US8394129B2 (en) 2011-03-10 2013-03-12 Interventional Spine, Inc. Method and apparatus for minimally invasive insertion of intervertebral implants
US8852243B2 (en) 2011-03-10 2014-10-07 Interventional Spine, Inc. Method and apparatus for minimally invasive insertion of intervertebral implants
US9277928B2 (en) 2013-03-11 2016-03-08 Interventional Spine, Inc. Method and apparatus for minimally invasive insertion of intervertebral implants
US9522070B2 (en) 2013-03-07 2016-12-20 Interventional Spine, Inc. Intervertebral implant
US9839530B2 (en) 2007-06-26 2017-12-12 DePuy Synthes Products, Inc. Highly lordosed fusion cage
US9883951B2 (en) 2012-08-30 2018-02-06 Interventional Spine, Inc. Artificial disc
US9895236B2 (en) 2010-06-24 2018-02-20 DePuy Synthes Products, Inc. Enhanced cage insertion assembly
US9913727B2 (en) 2015-07-02 2018-03-13 Medos International Sarl Expandable implant
US9931223B2 (en) 2008-04-05 2018-04-03 DePuy Synthes Products, Inc. Expandable intervertebral implant
US9993353B2 (en) 2013-03-14 2018-06-12 DePuy Synthes Products, Inc. Method and apparatus for minimally invasive insertion of intervertebral implants
US9993349B2 (en) 2002-06-27 2018-06-12 DePuy Synthes Products, Inc. Intervertebral disc
US10058433B2 (en) 2012-07-26 2018-08-28 DePuy Synthes Products, Inc. Expandable implant
CN110119024A (zh) * 2018-02-06 2019-08-13 雪力光纤有限公司 可视化模块和用于制造可视化模块的方法
US10390963B2 (en) 2006-12-07 2019-08-27 DePuy Synthes Products, Inc. Intervertebral implant
US10398563B2 (en) 2017-05-08 2019-09-03 Medos International Sarl Expandable cage
US10433977B2 (en) 2008-01-17 2019-10-08 DePuy Synthes Products, Inc. Expandable intervertebral implant and associated method of manufacturing the same
US10500062B2 (en) 2009-12-10 2019-12-10 DePuy Synthes Products, Inc. Bellows-like expandable interbody fusion cage
US10537436B2 (en) 2016-11-01 2020-01-21 DePuy Synthes Products, Inc. Curved expandable cage
US10548741B2 (en) 2010-06-29 2020-02-04 DePuy Synthes Products, Inc. Distractible intervertebral implant
US10888433B2 (en) 2016-12-14 2021-01-12 DePuy Synthes Products, Inc. Intervertebral implant inserter and related methods
US10940016B2 (en) 2017-07-05 2021-03-09 Medos International Sarl Expandable intervertebral fusion cage
US11344424B2 (en) 2017-06-14 2022-05-31 Medos International Sarl Expandable intervertebral implant and related methods
US11426286B2 (en) 2020-03-06 2022-08-30 Eit Emerging Implant Technologies Gmbh Expandable intervertebral implant
US11426290B2 (en) 2015-03-06 2022-08-30 DePuy Synthes Products, Inc. Expandable intervertebral implant, system, kit and method
US11446156B2 (en) 2018-10-25 2022-09-20 Medos International Sarl Expandable intervertebral implant, inserter instrument, and related methods
US11452607B2 (en) 2010-10-11 2022-09-27 DePuy Synthes Products, Inc. Expandable interspinous process spacer implant
US11510788B2 (en) 2016-06-28 2022-11-29 Eit Emerging Implant Technologies Gmbh Expandable, angularly adjustable intervertebral cages
US11596522B2 (en) 2016-06-28 2023-03-07 Eit Emerging Implant Technologies Gmbh Expandable and angularly adjustable intervertebral cages with articulating joint
US11612491B2 (en) 2009-03-30 2023-03-28 DePuy Synthes Products, Inc. Zero profile spinal fusion cage
US11752009B2 (en) 2021-04-06 2023-09-12 Medos International Sarl Expandable intervertebral fusion cage
US11850160B2 (en) 2021-03-26 2023-12-26 Medos International Sarl Expandable lordotic intervertebral fusion cage
US11911287B2 (en) 2010-06-24 2024-02-27 DePuy Synthes Products, Inc. Lateral spondylolisthesis reduction cage
USRE49973E1 (en) 2013-02-28 2024-05-21 DePuy Synthes Products, Inc. Expandable intervertebral implant, system, kit and method
US12004960B2 (en) 2020-12-28 2024-06-11 DePuy Synthes Products, Inc. Method and apparatus for minimally invasive insertion of intervertebral implants

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US9993349B2 (en) 2002-06-27 2018-06-12 DePuy Synthes Products, Inc. Intervertebral disc
US11660206B2 (en) 2006-12-07 2023-05-30 DePuy Synthes Products, Inc. Intervertebral implant
US11432942B2 (en) 2006-12-07 2022-09-06 DePuy Synthes Products, Inc. Intervertebral implant
US11273050B2 (en) 2006-12-07 2022-03-15 DePuy Synthes Products, Inc. Intervertebral implant
US11712345B2 (en) 2006-12-07 2023-08-01 DePuy Synthes Products, Inc. Intervertebral implant
US10390963B2 (en) 2006-12-07 2019-08-27 DePuy Synthes Products, Inc. Intervertebral implant
US10398566B2 (en) 2006-12-07 2019-09-03 DePuy Synthes Products, Inc. Intervertebral implant
US11497618B2 (en) 2006-12-07 2022-11-15 DePuy Synthes Products, Inc. Intervertebral implant
US11642229B2 (en) 2006-12-07 2023-05-09 DePuy Synthes Products, Inc. Intervertebral implant
US10583015B2 (en) 2006-12-07 2020-03-10 DePuy Synthes Products, Inc. Intervertebral implant
US9839530B2 (en) 2007-06-26 2017-12-12 DePuy Synthes Products, Inc. Highly lordosed fusion cage
US11622868B2 (en) 2007-06-26 2023-04-11 DePuy Synthes Products, Inc. Highly lordosed fusion cage
US10973652B2 (en) 2007-06-26 2021-04-13 DePuy Synthes Products, Inc. Highly lordosed fusion cage
US10433977B2 (en) 2008-01-17 2019-10-08 DePuy Synthes Products, Inc. Expandable intervertebral implant and associated method of manufacturing the same
US11737881B2 (en) 2008-01-17 2023-08-29 DePuy Synthes Products, Inc. Expandable intervertebral implant and associated method of manufacturing the same
US10449058B2 (en) 2008-01-17 2019-10-22 DePuy Synthes Products, Inc. Expandable intervertebral implant and associated method of manufacturing the same
US11701234B2 (en) 2008-04-05 2023-07-18 DePuy Synthes Products, Inc. Expandable intervertebral implant
US11602438B2 (en) 2008-04-05 2023-03-14 DePuy Synthes Products, Inc. Expandable intervertebral implant
US11617655B2 (en) 2008-04-05 2023-04-04 DePuy Synthes Products, Inc. Expandable intervertebral implant
US9993350B2 (en) 2008-04-05 2018-06-12 DePuy Synthes Products, Inc. Expandable intervertebral implant
US9931223B2 (en) 2008-04-05 2018-04-03 DePuy Synthes Products, Inc. Expandable intervertebral implant
US11707359B2 (en) 2008-04-05 2023-07-25 DePuy Synthes Products, Inc. Expandable intervertebral implant
US10449056B2 (en) 2008-04-05 2019-10-22 DePuy Synthes Products, Inc. Expandable intervertebral implant
US11712341B2 (en) 2008-04-05 2023-08-01 DePuy Synthes Products, Inc. Expandable intervertebral implant
US11712342B2 (en) 2008-04-05 2023-08-01 DePuy Synthes Products, Inc. Expandable intervertebral implant
US11612491B2 (en) 2009-03-30 2023-03-28 DePuy Synthes Products, Inc. Zero profile spinal fusion cage
US11607321B2 (en) 2009-12-10 2023-03-21 DePuy Synthes Products, Inc. Bellows-like expandable interbody fusion cage
US10500062B2 (en) 2009-12-10 2019-12-10 DePuy Synthes Products, Inc. Bellows-like expandable interbody fusion cage
US10966840B2 (en) 2010-06-24 2021-04-06 DePuy Synthes Products, Inc. Enhanced cage insertion assembly
US11872139B2 (en) 2010-06-24 2024-01-16 DePuy Synthes Products, Inc. Enhanced cage insertion assembly
US11911287B2 (en) 2010-06-24 2024-02-27 DePuy Synthes Products, Inc. Lateral spondylolisthesis reduction cage
US9895236B2 (en) 2010-06-24 2018-02-20 DePuy Synthes Products, Inc. Enhanced cage insertion assembly
US11654033B2 (en) 2010-06-29 2023-05-23 DePuy Synthes Products, Inc. Distractible intervertebral implant
US10548741B2 (en) 2010-06-29 2020-02-04 DePuy Synthes Products, Inc. Distractible intervertebral implant
US11452607B2 (en) 2010-10-11 2022-09-27 DePuy Synthes Products, Inc. Expandable interspinous process spacer implant
US10744004B2 (en) 2011-03-10 2020-08-18 DePuy Synthes Products, Inc. Method and apparatus for minimally invasive insertion of intervertebral implants
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