WO2009083276A1 - Espaceur pour procédé interépineux percutané - Google Patents
Espaceur pour procédé interépineux percutané Download PDFInfo
- Publication number
- WO2009083276A1 WO2009083276A1 PCT/EP2008/050045 EP2008050045W WO2009083276A1 WO 2009083276 A1 WO2009083276 A1 WO 2009083276A1 EP 2008050045 W EP2008050045 W EP 2008050045W WO 2009083276 A1 WO2009083276 A1 WO 2009083276A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spacer
- interspinous process
- arms
- percutaneous
- instrument
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7065—Devices with changeable shape, e.g. collapsible or having retractable arms to aid implantation; Tools therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
- A61B2017/0256—Joint distractors for the spine
Definitions
- the invention relates to a percutaneous interspinous process spacer, and more particularly, to a percutaneous interspinous process spacer for implantation, for example, between posterius adjacent spinous processes of the spine for the treatment of degenerative spinal conditions.
- Spinal stenosis, degenerative disc disease and other degenerative cause compression of the spinal cord and nerve impingement. They can cause pain, restricted activity and other disorders.
- spinal stenosis and degenerative disc disease are progressive diseases, surgery may eventually be required to address the source of pressure causing the pain.
- Such known surgical procedures can involve surgical decompression to relieve pressure on the spinal cord or spinal nerve by widening the spinal canal to create more space.
- Minimally-invasive procedures have been developed to provide access to the space between adjacent spinous processes such that open surgery is not required.
- Such known procedures include, for example, percutaneously inserting a spacer between adjacent spinous processes.
- spacers typically include a retention portion configured to limit movement of the spacer and prevent the spacer from sliding out from between the spinous processes.
- WO 2007/089905 A2 discloses interspinous process spacers or implants of a general rectangular shape with a nose having a tapered shape and a rounded distal tip. Depressions extending laterally across the upper and/or lower face are designed to receive a spinous process while providing minimized bone contact to reduce or eliminate bone fusion.
- Such spacers are to be inserted laterally into the interspinous space through a small, posterior incision, thereby allowing the preservation of the supraspinous ligament.
- WO 2006/089085 A2 discloses percutaneous spinal implants including an elongate member having proximal and distal portions configured to be expanded after implantation, and a non- expanding central portion configured to engage adjacent spinous processes.
- proximal and distal refer to direction closer to and away from, respectively, an operator (e.g. surgeon) who would insert the medical device into the patient, with the tip-end (i.e., distal end) of the device inserted in a patient's body first.
- the implant end first inserted inside the patient's body would be the distal end of the implant, while the implant end to last enter the patient's body would be the proximal end of the implant.
- - Sagittal plane it is an imaginary anatomical plane that travels from the top to the bottom of the body, dividing the body into left and right portions of the same size passing through midline structure, as shown in Fig. 5. Planes that are parallel to the sagittal plane but do not pass through the midline are known as parasagittal planes.
- Coronal (or frontal) plane it is an imaginary anatomical plane that divides the body into dorsal and ventral (back and front) portions. It is a plane perpendicular to the sagittal plane, as shown in Fig. 5.
- Transverse (or horizontal) plane it is an imaginary anatomical plane that divides the body into cranial and caudal (top and bottom) portions. It is a plane perpendicular to both the sagittal and coronal planes.
- the present invention relates to a percutaneous interspinous process spacer comprising a spacer member characterized by comprising:
- engaging means disposed at a proximal portion of said spacer member, configured to operate said actuation means with an instrument for implanting said interspinous process spacer; whereby said arms in said extended configuration operatively engage spinous process of a patient to limit movement thereof.
- the present invention relates to a percutaneous interspinous process spacer as described above, wherein said rotatable arms are hinged at a distal portion of said spacer member.
- said arms comprise a pair of upper arms and a pair of lower arms, both hinged at a distal portion of said spacer member, said upper arms and lower arms being defined with respect to the position of the spacer between an upper and a lower spinous process.
- the present invention relates to a percutaneous interspinous process spacer as described above, wherein the arms of each of said pair of arms are symmetrically disposed with respect to a longitudinal central plane of said spacer member corresponding to the sagittal plane of a patient's body after implantation.
- the present invention relates to a method of implanting a percutaneous interspinous process spacer as described above into a body, wherein said method comprises the steps of: a) percutaneously providing a cavity between the anterior and posterior portions of two adiacent spinous processes of a body, said cavity being provided by operating substantially in the sagittal plane; b) percutaneously inserting an interspinous process spacer in a collapsed configuration, said insertion being performed by operating substantially in the sagittal plane; c) percutaneously effecting said transition from said collapsed configuration to said extended configuration by engaging means disposed at a proximal portion of said spacer, configured to engage an instrument for implanting said interspinous process spacer, said instrument being engaged and operated substantially in the sagittal plane; whereby said spacer in said extended configuration operatively engage spinous process of a patient to limit movement thereof.
- the present invention relates to an instrument for implanting a percutaneous interspinous process spacer as described above into a patient's body, characterized by comprising means for engaging and supporting said percutaneous interspinous process spacer at the proximal end thereof, and means to effect transition from said collapsed configuration to an extended configuration of said spacer member.
- the present invention relates to a kit comprising a percutaneous interspinous process spacer, an instrument for implanting a percutaneous interspinous process spacer, and one or more tools used in said method.
- Fig. 1 is a schematic perspective view of a percutaneous interspinous process spacer according to a first embodiment of the invention in a collapsed configuration
- Fig. 2 is a schematic view of the spacer of Fig. 1 in an extended configuration
- Fig. 3 is a schematic partially broken view of the spacer of Fig. 1 and 2;
- Fig. 4 is a schematic perspective view of a percutaneous interspinous process spacer according to a second embodiment of the invention in an extended configuration
- Fig. 5 is a schematic perspective view of the spacer according to the invention in a collapsed configuration between adjacent interspinous processes in a patient's body;
- Fig. 6 is a schematic perspective view of the spacer of Fig. 5 in an extended configuration between adjacent interspinous processes in a patient's body;
- Fig. 7 is a schematic enlarged perspective view of the spacer of Fig. 6 between adjacent interspinous processes in a patient's body;
- Fig. 8-14 show schematically the steps of a method of implanting a percutaneous interspinous process spacer according to the invention
- Fig. 15-16 are perspective partial views of an instrument to implant a percutaneous interspinous process spacer according to an embodiment of the invention.
- Fig. 17 is a partial sectional view of the instrument of Figs. 15-16.
- a percutaneous interspinous process spacer according to an embodiment of the invention comprises a spacer member designated generally with 10.
- Spacer member 10 has substantially the shape of a parallelepiped with rounded corners and with two opposed faces 6, 8 that are slightly concave. Of course other embodiments are possible, for example with a spacer member having a cylindrical shape, or other suitable shapes. With reference to implanting spacer member 10 between adjacent spinous processes of a human body, bottom 10a is the distal end and top 10b is the proximal end.
- the spacer member 10 comprises two pair of arms 20, 22 and 24,
- each pair being hinged at the distal portion 10a of member 10 by means of pins 21, 25 rotatably mounted in corresponding holes of member 10. More particularly, arms 20 and 22 are fixed to pin 21, so that any rotation of pin 21 is transmitted to arms 20, 22. In the same manner, arms 24 and 26 are fixed to pin 25, so that any rotation of pin 25 is transmitted to arms 24, 26.
- the body of spacer member 10 is hollow, and in the internal cavity are hosted actuation means to effect rotation of arms 20, 22 and 24, 26.
- Such means comprise a rod 32 provided with a threaded upper portion 34 ("upper” meaning the portion toward the proximal end of spacer 10) engaging an internal thread of a nut 36 rotatably mounted within the body of spacer member 10.
- Nut 36 is prevented from sliding within the body of spacer member 10 by an upper rib 36a hosted in a corresponding seat in the inner wall 11 of member 10.
- Threaded nut 36 is rigidly connected to engaging means 40 located at the proximal end 10b of member 10.
- Engaging means 40 comprise a socket head screw 42 designed to engage a setscrew wrench (not shown), whereby internally threaded nut 36 is rotated.
- Engaging means 40 comprise also a plurality of slits 44,46 on the proximal end of spacer 10. Slits 44,46 are designed to engage corresponding projections of an instrument for implanting the interspinous process spacer, as it will be described in the following.
- the lower portion of rod 32 (lower” meaning the portion toward the distal end of spacer 10) is a double rack 30, 33, that engages gear wheels 23, 27 rigidly mounted on pins 21, 25, respectively.
- rotation of engaging means 40 causes rotation of nut 36, which causes a linear movement of rod 32 in the upper or lower direction within spacer member 10, depending on the direction of rotation of nut 36.
- Linear movement of rod 32 and of double rack 30, 33 causes rotation of gear wheels 23, 27, and of arms 20, 22, 24, 26.
- the two pairs of arms 20, 22 and 24, 26 are configured to assume a collapsed configuration and an extended configuration.
- the collapsed configuration is the configuration in which the two pairs of arms are contained in the internal cavity of hollow spacer member 10, as shown in Fig. 1.
- the extended configuration is the configuration in which the two pairs of arms project from the internal cavity of hollow spacer member 10, as shown in Fig. 2, to assume a configuration substantially perpendicular to the vertical, or longitudinal, axis Y, where the term "vertical" refers to the disposition of spacer member 10 in Figg. 1-3, not in a patient's body.
- arms 20, 22, 24, 26 pass through vertical slits 14, 16 provided in the opposite faces 6, 8, of spacer member 10.
- the first pair of arms 20, 22 and the second pair of arms 24, 26 are symmetrically disposed with respect to a central plane containing the longitudinal axis Y of the spacer member 10, and said central plane coincides substantially with the sagittal plane (S) of a patient's body (Fig.6) after implantation of the spacer member, as it is described below.
- each arm 20, 22, 24, 26 has a rough or shagreened surface and/or is provided with teeth or projections 29 (Fig. 2), to increase gripping to the spinous processes after spacer 10 has been implanted in the target position.
- Fig. 4 shows another embodiment of the spacer according to the invention, in which arms 20 ',22' and 24 ',26' are mounted externally with respect to the body of the spacer, on pins 21 ',25' that project from said body.
- arms 20 ',22', 24 ',26' rest on the opposed external sides of spacer 10, which can be formed without vertical slits 14,16.
- Fig. 5 and 6 show a posterolateral side of human spine with a percutaneous interspinous process spacer inserted between the fourth and fifth vertebra L4, L5. More precisely, percutaneous interspinous process spacer 10 is inserted between spinous processes 51 and 52 of vertebra L4, L5, respectively.
- Fig. 7 is an enlarged side view of the spacer 10 implanted at a target position between two adjacent spinous processes 51, 52.
- Fig. 6 shows the sagittal plane S extending through the midline of a patient's body, and the coronal plane C perpendicular to the sagittal plane.
- FIG. 5 After interspinous process spacer 10 has been inserted percutaneously in the collapsed configuration between upper spinous process 52 and lower spinous process 51 (Fig. 5), transition to the extended configuration is effected.
- Fig. 6 and 7 show spacer 10 in the extended configuration, with longitudinal axis Y of the spacer lying in the sagittal plane S and with arms 22, 26 (and corresponding arms 20, 24, not shown) laying in parasagittal planes (not shown) and engaging spinous processes 51, 52, to prevent movement of spacer 10 from the desired target position.
- the method of implanting a percutaneous interspinous process spacer as described above into a body comprises the steps of: a) providing a cavity between the anterior and posterior portions of two adiacent spinous processes of a body by operating percutaneously and substantially in the sagittal plane; b) inserting in the cavity an interspinous process spacer with rotatable arms in a collapsed configuration, said insertion being performed by operating percutaneously and substantially in the sagittal plane; c) effecting a transition from the collapsed configuration to an extended configuration of said arms by an instrument engaging means disposed at a proximal end of said spacer, said instrument being operated percutaneously and substantially in the sagittal plane, so that said arms in the extended configuration operatively engage adjacent spinous processes of a patient to limit movement of the spacer.
- a discal needle 70 (Fig. 8) between two spinous processes 51, 52, under fluoroscopic guidance, by penetrating from the back along the sagittal plane of the patient, as shown by arrow A of Figs. 6 and 8; a2) A "Kirschner Wire" 72, or K-wire, is then introduced (Fig. 9) between the two spinous processes, and advanced to reach the anterior portions of the two adjacent spinous processes; a3) A blunt obturator 76 is inserted over the K- wire 72, and advanced (Fig.
- any step above is performed percutaneously and by operating substantially in the sagittal plane. Also, penetration is performed substantially in the direction of arrow A of Fig. 6 and 8, namely a direction slightly inclined upwardly with respect to the horizontal plane, with the distal end higher than the proximal end of spacer 10. This procedure of insertion minimizes the path through tissues, thereby minimizing exposure to radiation due to a reduced time of fluoroscopic guidance.
- the spacer 10 can be transitioned from the extended configuration to the collapsed configuration before removal or repositioning, and the extended configuration can be resumed in case of repositioning.
- Fig. 15 and 16 show the portion of instrument 90 designed to engage the engaging means 40 of spacer 10 to effect transition from the collapsed state to the extended state.
- Fig. 17 shows the portion of instrument 90 designed to be actuated by a surgeon.
- the end portion of instrument 90 is shown with partially broken parts to better illustrate the internal structure of the instrument.
- the instrument 90 comprises a setscrew wrench 92 suitable to be operative Iy introduced into socket head screw 42 of spacer 10.
- Setscrew wrench 92 is fixed to a drill member 94 that can be rotated according to arrow B within the body of instrument 90.
- Instrument 90 comprises also a first tubular member 91 coaxial and external to setscrew wrench 92, and a second tubular member 93 coaxial and external to first tubular member 91.
- Tubular member 91 is rotatable around its longitudinal axis.
- Four shaped projections 96 extend from the end face of first tubular member 91, and two projections 98 extend from the end face of second tubular member 93.
- Projections 98 are designed to engage slits 46 on the proximal end 10b of spacer 10, and function as guide elements for coupling the instrument 90 to spacer 10.
- Shaped projections 96 are designed to be inserted into slits 44 on the proximal end 10b of spacer 10, and to be rotated after the insertion to hold firmly the spacer on the tip of the instrument 90.
- Rotation of first tubular member 91 is effected by turning wings 100, which project from the second tubular member 93 through slots 95 (Figs. 13, 14, 17) and can be actuated by a surgeon.
- the spacer 10 is supported by instrument 90 by inserting projections 96, 98 into slits 44,46 under the guide of projections 98. Also, setscrew wrench 92 is inserted into socket head screw 42. The spacer 10 is then brought to the target position through working sleeve 83. When the target position is reached, setscrew wrench 92 is caused to rotate by turning drill member 94 of instrument 90. The position of spacer 10 is kept fixed by mutual engagement of projections 96, 98 and slits 44,46, while engaging means
- step c2) is performed.
- the spacer 10 can be made from any number of biocompatible materials, metallic or other, such as, for example, stainless steel, titanium, polyetheretherketone (PEEK), carbon fiber, ultra-high molecular weight polyethylene (UHMWPE), and the like.
- the material of the spacer can have a tensile strength similar to or higher than that of bone.
- the spacer includes a radiopaque material, such as bismuth, to facilitate tracking the position of the spinal implant during insertion and/or repositioning.
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
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- Prostheses (AREA)
Abstract
L'invention concerne un espaceur pour procédé interépineux percutané qui comprend un élément espaceur (10) comprenant : des bras rotatifs (20, 22; 24, 26) conçus pour prendre une configuration comprimée et une configuration étendue; un moyen d'actionnement (30, 32, 34) pour effectuer la transition entre ladite configuration comprimée et ladite configuration étendue, et vice-versa; un moyen d'insertion (40) placé au niveau d'une portion proximale (10b) de l'espaceur (10), conçu pour insérer ledit moyen d'actionnement (30, 32, 34) dans un instrument (90) pour implanter ledit espaceur pour procédé interépineux. L'invention concerne également un procédé, un instrument et un nécessaire pour implanter l'espaceur pour procédé interépineux dans le corps d'un patient.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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PCT/EP2008/050045 WO2009083276A1 (fr) | 2008-01-03 | 2008-01-03 | Espaceur pour procédé interépineux percutané |
PCT/EP2008/068329 WO2009083583A1 (fr) | 2008-01-03 | 2008-12-29 | Espaceur pour procédé interépineux percutané |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/050045 WO2009083276A1 (fr) | 2008-01-03 | 2008-01-03 | Espaceur pour procédé interépineux percutané |
Publications (1)
Publication Number | Publication Date |
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WO2009083276A1 true WO2009083276A1 (fr) | 2009-07-09 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/050045 WO2009083276A1 (fr) | 2008-01-03 | 2008-01-03 | Espaceur pour procédé interépineux percutané |
PCT/EP2008/068329 WO2009083583A1 (fr) | 2008-01-03 | 2008-12-29 | Espaceur pour procédé interépineux percutané |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2008/068329 WO2009083583A1 (fr) | 2008-01-03 | 2008-12-29 | Espaceur pour procédé interépineux percutané |
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Cited By (55)
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US7776069B2 (en) | 2002-09-10 | 2010-08-17 | Kyphon SÀRL | Posterior vertebral support assembly |
US7803190B2 (en) | 2002-10-29 | 2010-09-28 | Kyphon SÀRL | Interspinous process apparatus and method with a selectably expandable spacer |
US7846186B2 (en) | 2005-06-28 | 2010-12-07 | Kyphon SÀRL | Equipment for surgical treatment of two vertebrae |
US7879104B2 (en) | 2006-11-15 | 2011-02-01 | Warsaw Orthopedic, Inc. | Spinal implant system |
US7901432B2 (en) | 1997-01-02 | 2011-03-08 | Kyphon Sarl | Method for lateral implantation of spinous process spacer |
US7931674B2 (en) | 2005-03-21 | 2011-04-26 | Kyphon Sarl | Interspinous process implant having deployable wing and method of implantation |
US7955392B2 (en) | 2006-12-14 | 2011-06-07 | Warsaw Orthopedic, Inc. | Interspinous process devices and methods |
US7959652B2 (en) | 2005-04-18 | 2011-06-14 | Kyphon Sarl | Interspinous process implant having deployable wings and method of implantation |
US7988709B2 (en) | 2005-02-17 | 2011-08-02 | Kyphon Sarl | Percutaneous spinal implants and methods |
US7993374B2 (en) | 1997-01-02 | 2011-08-09 | Kyphon Sarl | Supplemental spine fixation device and method |
US7998174B2 (en) | 2005-02-17 | 2011-08-16 | Kyphon Sarl | Percutaneous spinal implants and methods |
US8007537B2 (en) | 2002-10-29 | 2011-08-30 | Kyphon Sarl | Interspinous process implants and methods of use |
US8007521B2 (en) | 2005-02-17 | 2011-08-30 | Kyphon Sarl | Percutaneous spinal implants and methods |
US8029567B2 (en) | 2005-02-17 | 2011-10-04 | Kyphon Sarl | Percutaneous spinal implants and methods |
US8034079B2 (en) | 2005-04-12 | 2011-10-11 | Warsaw Orthopedic, Inc. | Implants and methods for posterior dynamic stabilization of a spinal motion segment |
US8034080B2 (en) | 2005-02-17 | 2011-10-11 | Kyphon Sarl | Percutaneous spinal implants and methods |
US8038698B2 (en) | 2005-02-17 | 2011-10-18 | Kphon Sarl | Percutaneous spinal implants and methods |
US8043378B2 (en) | 2006-09-07 | 2011-10-25 | Warsaw Orthopedic, Inc. | Intercostal spacer device and method for use in correcting a spinal deformity |
US8048117B2 (en) | 2003-05-22 | 2011-11-01 | Kyphon Sarl | Interspinous process implant and method of implantation |
US8048119B2 (en) | 2006-07-20 | 2011-11-01 | Warsaw Orthopedic, Inc. | Apparatus for insertion between anatomical structures and a procedure utilizing same |
US8048118B2 (en) | 2006-04-28 | 2011-11-01 | Warsaw Orthopedic, Inc. | Adjustable interspinous process brace |
US8057513B2 (en) | 2005-02-17 | 2011-11-15 | Kyphon Sarl | Percutaneous spinal implants and methods |
US8070778B2 (en) | 2003-05-22 | 2011-12-06 | Kyphon Sarl | Interspinous process implant with slide-in distraction piece and method of implantation |
US8083795B2 (en) | 2006-01-18 | 2011-12-27 | Warsaw Orthopedic, Inc. | Intervertebral prosthetic device for spinal stabilization and method of manufacturing same |
US8097018B2 (en) | 2005-02-17 | 2012-01-17 | Kyphon Sarl | Percutaneous spinal implants and methods |
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US8114132B2 (en) | 2010-01-13 | 2012-02-14 | Kyphon Sarl | Dynamic interspinous process device |
US8114136B2 (en) | 2008-03-18 | 2012-02-14 | Warsaw Orthopedic, Inc. | Implants and methods for inter-spinous process dynamic stabilization of a spinal motion segment |
US8114131B2 (en) | 2008-11-05 | 2012-02-14 | Kyphon Sarl | Extension limiting devices and methods of use for the spine |
US8118839B2 (en) | 2006-11-08 | 2012-02-21 | Kyphon Sarl | Interspinous implant |
US8118844B2 (en) | 2006-04-24 | 2012-02-21 | Warsaw Orthopedic, Inc. | Expandable device for insertion between anatomical structures and a procedure utilizing same |
US8128663B2 (en) | 1997-01-02 | 2012-03-06 | Kyphon Sarl | Spine distraction implant |
US8147548B2 (en) | 2005-03-21 | 2012-04-03 | Kyphon Sarl | Interspinous process implant having a thread-shaped wing and method of implantation |
US8147526B2 (en) | 2010-02-26 | 2012-04-03 | Kyphon Sarl | Interspinous process spacer diagnostic parallel balloon catheter and methods of use |
US8157842B2 (en) | 2009-06-12 | 2012-04-17 | Kyphon Sarl | Interspinous implant and methods of use |
US8157841B2 (en) | 2005-02-17 | 2012-04-17 | Kyphon Sarl | Percutaneous spinal implants and methods |
US8226653B2 (en) | 2005-04-29 | 2012-07-24 | Warsaw Orthopedic, Inc. | Spinous process stabilization devices and methods |
US8262698B2 (en) | 2006-03-16 | 2012-09-11 | Warsaw Orthopedic, Inc. | Expandable device for insertion between anatomical structures and a procedure utilizing same |
US8317831B2 (en) | 2010-01-13 | 2012-11-27 | Kyphon Sarl | Interspinous process spacer diagnostic balloon catheter and methods of use |
US8349013B2 (en) | 1997-01-02 | 2013-01-08 | Kyphon Sarl | Spine distraction implant |
US8372117B2 (en) | 2009-06-05 | 2013-02-12 | Kyphon Sarl | Multi-level interspinous implants and methods of use |
US8591549B2 (en) | 2011-04-08 | 2013-11-26 | Warsaw Orthopedic, Inc. | Variable durometer lumbar-sacral implant |
US8591548B2 (en) | 2011-03-31 | 2013-11-26 | Warsaw Orthopedic, Inc. | Spinous process fusion plate assembly |
US8641762B2 (en) | 2006-10-24 | 2014-02-04 | Warsaw Orthopedic, Inc. | Systems and methods for in situ assembly of an interspinous process distraction implant |
US8679161B2 (en) | 2005-02-17 | 2014-03-25 | Warsaw Orthopedic, Inc. | Percutaneous spinal implants and methods |
US8771317B2 (en) | 2009-10-28 | 2014-07-08 | Warsaw Orthopedic, Inc. | Interspinous process implant and method of implantation |
US8814908B2 (en) | 2010-07-26 | 2014-08-26 | Warsaw Orthopedic, Inc. | Injectable flexible interspinous process device system |
WO2015050466A1 (fr) * | 2013-10-01 | 2015-04-09 | Praktyka Lekarska Espinen Piotr Szydlik | Système de dispositifs pour la stabilisation intervertébrale de la colonne vertébrale |
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CN105520760A (zh) * | 2014-09-30 | 2016-04-27 | 无锡市贝尔康电子研究所 | 手术切口的弹性支撑撑开装置 |
CN105520759A (zh) * | 2014-09-30 | 2016-04-27 | 无锡市贝尔康电子研究所 | 手术切口撑开装置 |
EP3116421A4 (fr) * | 2014-03-14 | 2017-11-15 | In Queue Innovations, LLC | Dispositifs, systèmes et instruments de fixation d'apophyse épineuse, et méthodes d'assemblage et d'utilisation |
WO2023158581A1 (fr) * | 2022-02-15 | 2023-08-24 | Boston Scientific Neuromodulation Corporation | Espaceur interépineux et systèmes utilisant l'espaceur interépineux |
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