CN111329572A - Pedicle screw screwing wrench - Google Patents

Pedicle screw screwing wrench Download PDF

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Publication number
CN111329572A
CN111329572A CN202010162077.4A CN202010162077A CN111329572A CN 111329572 A CN111329572 A CN 111329572A CN 202010162077 A CN202010162077 A CN 202010162077A CN 111329572 A CN111329572 A CN 111329572A
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CN
China
Prior art keywords
sleeve
pedicle screw
guide pin
pedicle
screw
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Granted
Application number
CN202010162077.4A
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Chinese (zh)
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CN111329572B (en
Inventor
李严
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Hebei Ruihe Medical Equipment Co ltd
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Hebei Ruihe Medical Equipment Co ltd
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Publication of CN111329572A publication Critical patent/CN111329572A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8875Screwdrivers, spanners or wrenches

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (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 invention provides a pedicle screw screwing wrench, which belongs to the technical field of medical instruments and comprises a screwing assembly, a first sleeve and a locking piece; the head end of the upper screw component is used for being matched with the pedicle screw and driving the pedicle screw; a first through hole for the guide pin to pass through is arranged inside the guide pin; the head end of the first sleeve is connected with the tail end of the upper nail component through a first thread structure, and the tail end is movably provided with a limiting piece for axially limiting the guide pin; the retaining member activity sets up on last nail subassembly for nail subassembly and first sleeve are gone up in the locking. According to the pedicle screw screwing wrench provided by the invention, the guide pin and the pedicle screw are simultaneously implanted into the pedicle, so that the screwing time is saved, and the guide pin and the pedicle screw can be well matched in the screwing process.

Description

Pedicle screw screwing wrench
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a pedicle screw screwing wrench.
Background
For unstable vertebral body after spinal trauma, spondylolisthesis, degenerative diseases and other single-segment or multi-segment fractures, an internal spinal fixator is mostly adopted for fixation. The types of the fixator in the market are more, but most of the fixators consist of other corresponding components such as unidirectional pedicle screws, universal pedicle screws, connecting rods and the like.
Pedicle screw mostly is hollow screw, need cooperate with the guide pin during implantation, among the prior art, pedicle screw implants the in-process, earlier the guide pin is implanted to percutaneous matter, stay the guide pin in the pedicle of vertebral arch, then embolia the guide pin with the pedicle screw with the instrument, along the guide pin implant in the pedicle of vertebral arch, pedicle screw implants the inside back of pedicle of vertebral arch, again withdraws from the guide pin, this kind is planted the mode operation complicacy, delay operation time to can not control well the cooperation to guide pin and pedicle screw.
Disclosure of Invention
The invention aims to provide a pedicle screw screwing wrench, aiming at solving the problems that the pedicle screw implantation mode in the prior art is complex in operation and the matching of a guide pin and a pedicle screw cannot be well controlled.
In order to achieve the purpose, the invention adopts the technical scheme that: the pedicle screw screwing wrench comprises a screwing assembly, a first sleeve and a locking piece; the head end of the upper screw component is used for being matched with the pedicle screw and driving the pedicle screw; a first through hole for the guide pin to pass through is arranged inside the guide pin; the head end of the first sleeve is connected with the tail end of the upper nail component through a first thread structure, and the tail end is movably provided with a limiting piece for axially limiting the guide pin; the locking piece is movably arranged on the upper nail component and used for locking the upper nail component and the first sleeve.
As another embodiment of the application, the upper screw assembly comprises a second sleeve and an upper screw rod, the second sleeve is coaxially arranged with the first sleeve, the head end of the second sleeve is used for matching with the tail cap of the pedicle screw, and the tail end of the second sleeve is connected with the head end of the first sleeve through a first thread structure; the upper screw rod is coaxially arranged inside the second sleeve, the head end of the upper screw rod is used for being matched with the pedicle screw, and the first through hole is formed in the axis.
As another embodiment of the present application, the position-limiting member includes a handle that is sleeved on the second sleeve and can axially move along the second sleeve; the head end of the sleeve handle is provided with a first limiting structure for limiting the sleeve handle in the circumferential direction so that the sleeve handle and the second sleeve rotate coaxially; the tail end is provided with a containing groove for containing the head end of the second sleeve; the bottom of holding tank is equipped with to first sleeve circumference spacing second limit structure to make first sleeve with the cover is coaxial to be rotated.
As another embodiment of the present application, the side wall of the first sleeve is provided with an observation window for observing the positions of the guide pin and the upper nail rod relative to the first sleeve.
As another embodiment of this application, one side of observation window is equipped with the scale mark, the lateral wall of guide pin is equipped with first pointer, the lateral wall of going up the nail pole is equipped with the second pointer.
As another embodiment of the present application, a handle perpendicular to the first sleeve is disposed at the tail end of the first sleeve, and the limiting member is disposed in the handle.
As another embodiment of the present application, the position-limiting member is connected to the handle through a second thread structure.
As another embodiment of the present application, a second through hole for the guide pin to pass through is formed in the axis of the limiting member, and a locking pin is disposed on the side wall of the limiting member and connected to the limiting member through a third threaded structure.
As another embodiment of the present application, a bayonet for matching with a tail cap of the pedicle screw is provided at a head end of the second cannula, and the tail cap of the pedicle screw is embedded into the bayonet.
As another embodiment of the application, the head end of the second sleeve is provided with an elastic pressing sheet, and the inner surface of the elastic pressing sheet is provided with a clamping head used for being matched with a clamping groove on the tail cap of the pedicle screw.
The invention provides a pedicle screw screwing wrench, which is characterized in that when a pedicle screw is implanted:
firstly, connecting an upper screw component with a first sleeve through a first thread structure, installing a pedicle screw at the head end of the upper screw component, sequentially passing a guide pin through the first sleeve, a first through hole in the upper screw component and the pedicle screw from the tail end of the first sleeve, exposing the head end of the guide pin from the nail head of the pedicle screw, delivering the pedicle screw to the pedicle of vertebral arch through a cortical opening, knocking the tail end of the guide pin along the axial direction, and nailing the part of the guide pin exposed out of the nail head of the pedicle screw into the cortical bone of the pedicle of vertebral arch;
keeping the first sleeve fixed, rotating the upper screw assembly around the shaft in the reverse direction of the screw thread turning direction of the pedicle screw, simultaneously screwing the upper screw assembly and the pedicle screw to the tail end of the first sleeve, and extending the position of the guide pin close to the head end outwards;
continuously knocking the guide pin axially, and implanting the exposed part of the guide pin into the vertebral pedicle;
keeping the first sleeve fixed, rotating the upper screw assembly around the shaft along the screw thread turning direction of the pedicle screw, and implanting the head end of the pedicle screw into the pedicle by the upper screw assembly;
the guide pin is axially limited relative to the first sleeve by the limiting part, the upper screw assembly and the first sleeve are locked by the locking part, the upper screw assembly rotates around the shaft along the screw thread of the pedicle screw, and the pedicle screw and the guide pin are implanted into the pedicle at the same time until the main body of the pedicle screw is completely implanted into the pedicle;
and removing the limiting part from the tail end of the first sleeve, withdrawing the guide pin, and finally separating the upper screw assembly from the pedicle screw.
Compared with the prior art, the pedicle screw screwing wrench has the advantages that the guide pin and the pedicle screw are simultaneously implanted into the pedicle, the screwing time is saved, and the guide pin and the pedicle screw can be well matched in the screwing process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a pedicle screw driver wrench according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an exploded view of a pedicle screw driver wrench according to an embodiment of the present invention;
fig. 4 is an enlarged view at B in fig. 3;
FIG. 5 is a schematic structural view of the handle;
FIG. 6 is a view taken along line C of FIG. 5;
FIG. 7 is a first view illustrating a first usage state of a pedicle screw driver according to an embodiment of the present invention;
FIG. 8 is a second view of the use of the pedicle screw driver according to the embodiment of the invention;
FIG. 9 is a third view illustrating a third use state of the pedicle screw driver wrench according to the embodiment of the present invention;
FIG. 10 is a fourth view illustrating the use of the screw wrench for pedicle screws according to the embodiment of the present invention;
in the figure: 1. a nail feeding assembly; 11. a second sleeve; 110. elastic tabletting; 12. a nail rod is arranged; 2. a first sleeve; 21. an observation window; 3. a limiting member; 31. locking nails; 4. a locking member; 5. pedicle screws; 51. a tail cap; 6. guiding a needle; 7. a grip; 71. a threaded hole; 8. a pedicle of a vertebral arch.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 3 together, the screw wrench for pedicle screws according to the present invention will now be described. Pedicle of vertebral arch screw is followed closely spanner, including going up nail subassembly 1, first sleeve pipe 2 and retaining member 4, go up the head end (the one end of inserting in the cortex) of nail subassembly 1 and pedicle of vertebral arch screw 5 cooperation for with pedicle of vertebral arch screw 5 butt joint, send pedicle of vertebral arch screw 5 to 8 departments of vertebral arch with external percutaneous matter trompil, and can drive pedicle of vertebral arch screw 5 pivoting. Go up the inside of nail subassembly 1 and be equipped with the first through-hole that supplies guide pin 6 to pass, first through-hole is coaxial with pedicle screw 5's trompil, guarantees that guide pin 6 can follow first through-hole smoothly and get into in the trompil at pedicle screw 5 center.
First sleeve pipe 2's head end inner wall is equipped with first internal thread, and the tail end outer wall of nailing subassembly 1 is equipped with first internal thread assorted first external screw thread, and second sleeve pipe 11 can be installed at the tail end of nailing subassembly 1 through the cooperation of first internal thread and first external screw thread. The guide pin 6 passes first sleeve 2, the trompil of first through-hole and pedicle screw 5 in proper order from the tail end of first sleeve 2 to wear out from the head end (the pin fin) of pedicle screw 5, the tail end of first sleeve 2 is equipped with 6 axial spacing locating parts 3 to the guide pin, and locating part 3 and the tail end swing joint of first sleeve 2, after installation locating part 3, guide pin 6 keeps relatively fixed with first sleeve 2, axial motion is along with the axial motion of first sleeve 2 to guide pin 6.
Retaining member 4 sets up on last nail subassembly 1 to can move about on last nail subassembly 1, move retaining member 4 to the assigned position along last nail subassembly 1, the assigned position is the junction of last nail subassembly 1 and first sleeve pipe 2, will go up nail subassembly 1 and first sleeve pipe 2 locking, makes and goes up nail subassembly 1 and first sleeve pipe 2 relatively fixed, both simultaneous movement.
Referring to fig. 7 to 10, the steps of screwing the pedicle screw wrench according to the present invention are as follows:
(1) referring to fig. 7, the upper screw assembly 1 is connected with the first sleeve 2 through a first thread structure, the pedicle screw 5 is installed at the head end of the upper screw assembly 1, the guide pin 6 sequentially passes through the first sleeve 2 from the tail end of the first sleeve 2, the first through hole in the upper screw assembly 1 and the opening of the pedicle screw 5, the head end of the guide pin 6 is exposed by 3mm from the nail head of the pedicle screw 5, the pedicle screw 5 is delivered to the pedicle 8 through the cortical opening, the tail end of the guide pin 6 is axially knocked, and the part of the guide pin 6 exposed at the head end of the pedicle screw 5 is nailed into the cortical bone of the pedicle 8;
(2) referring to fig. 8, the first cannula 2 is kept fixed, the upper screw assembly 1 is rotated around the shaft in the reverse direction of the thread turning direction of the pedicle screw 5, the upper screw assembly 1 and the pedicle screw 5 are simultaneously screwed into the tail end of the first cannula 2, and the exposed part of the head end of the guide pin 6 is extended; continuously axially knocking the guide pin 6, and implanting the exposed part of the guide pin 6 into the vertebral pedicle 8;
(3) referring to fig. 9, the first cannula 2 is kept fixed, the upper screw assembly 1 is rotated around the shaft along the screw thread direction of the pedicle screw 5, and the head end of the pedicle screw 5 is implanted into the pedicle 8 by the upper screw assembly 1;
(4) referring to fig. 10, the guide pin 6 is axially limited relative to the first sleeve 2 by the limiting member 3, the upper screw assembly 1 and the first sleeve 2 are locked by the locking member 4, the upper screw assembly 1 is rotated around the shaft along the screw thread of the pedicle screw 5 or the first sleeve 2 is rotated, and the pedicle screw 5 and the guide pin 6 are simultaneously implanted into the pedicle 8 until the main body of the pedicle screw 5 is completely implanted into the pedicle 8;
(5) the limiting member 3 is removed from the tail end of the first cannula 2, the guide pin 6 is withdrawn, and finally the upper screw assembly 1 is separated from the pedicle screw 5.
Compared with the prior art, the pedicle screw screwing wrench has the advantages that the guide pin 6 and the pedicle screw 5 are simultaneously implanted into the pedicle 8, the screwing time is saved, and the guide pin 6 and the pedicle screw 5 can be well matched in the screwing process.
As a specific embodiment of the pedicle screw screwing wrench provided by the invention, please refer to fig. 1 and 3, the screwing assembly 1 includes a second sleeve 11 and a screwing rod 12, the second sleeve 11 and the first sleeve 2 are coaxially arranged, the head end of the second sleeve 11 is connected with the tail cap 51 of the pedicle screw 5 in a matching manner, and can drive the tail cap 51 of the pedicle screw 5 to rotate; the tail end of the second sleeve 11 is provided with a first external thread matched with the first internal thread at the head end of the first sleeve 2, and is used for being connected with the first sleeve 2.
The upper nail rod 12 is arranged inside the second sleeve 11 and is coaxially arranged with the second sleeve 11, and a first through hole is arranged at the axis of the upper nail rod 12 for the guide needle 6 to pass through. The head end of the upper screw rod 12 is provided with a connector, and the side wall of the connector is provided with an external thread matched with the internal thread of the inner wall of the tail cap 51 of the pedicle screw 5. The pedicle screw 5 is a universal pedicle screw 5 which is used for multiple purposes, the pedicle screw 5 and the tail cap 51 need to be locked before being screwed up, the upper screw rod 12 rotates around a shaft, the external thread of the connector is matched and connected with the internal thread of the tail cap 51 of the pedicle screw 5, the head end of the upper screw rod 12 is abutted against the tail end of the pedicle screw 5 and compresses the pedicle screw 5, the pedicle screw 5 and the tail cap 51 are locked, the orientation of the pedicle screw 5 is kept fixed, and after the pedicle screw 5 is locked, the upper screw rod 12 and the second sleeve 11 are relatively fixed.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 3, fig. 5, and fig. 6 together, the limiting member 3 is a handle sleeved on the second sleeve 11, the handle can move axially along the second sleeve 11, a first limiting structure for limiting the handle circumferentially is disposed at a head end of the handle, the first limiting structure is an opening having a same size as the cross-sectional shape of the second sleeve 11, and as can be seen from fig. 1 and fig. 3, the cross-sectional shape of the second sleeve 11 is non-circular, so that after the first limiting structure is configured as a non-circular opening, the handle can be limited from rotating relative to the second sleeve 11, and the handle and the second sleeve 11 can be ensured to rotate simultaneously.
Referring to fig. 6, the tail end of the handle is provided with a receiving groove for receiving the head end of the first sleeve 2, the head end of the first sleeve 2 is embedded into the receiving groove, and the first sleeve 2 can rotate in the receiving groove. The bottom of holding tank is equipped with second limit structure, the head end outer wall circumference of first sleeve pipe 2 is equipped with a plurality of recess, second limit structure be with recess assorted lug, along the axial of second sleeve pipe 11 to the tail end removal cover of second sleeve pipe 11, the bottom of holding tank is inserted to the head end of first sleeve pipe 2, lug and recess cooperation, it is spacing to first sleeve pipe 2 and cover circumference, make first sleeve pipe 2 and cover rotate coaxial, because the cover rotates coaxial with second sleeve pipe 11 again, so first sleeve pipe 2 and the coaxial rotation of second sleeve pipe 11.
Referring to fig. 1 and 3, as a specific implementation manner of the embodiment of the present invention, an observation window 21 is disposed on a side wall of the first cannula 2, and a position change of the tail end of the upper screw rod 12 in the first cannula 2 is observed through the observation window 21, so as to determine an implantation depth of the pedicle screw 5.
The part of the side wall of the upper nail rod 12 close to the tail end is provided with a strip-shaped opening along the axial direction, the guide pin 6 can be observed through the observation window 21 and the strip-shaped opening, and then the implantation depth of the guide pin 6 is judged.
The implantation depth of pedicle screw 5 needs accurate control, and the implantation depth of pedicle screw 5 is the length of pedicle screw 5, and for accurate control implantation depth, one side of observation window 21 is equipped with the scale mark, is equipped with first pointer at the tail end of last nail pole 12, through the change of first pointer on the scale mark, observes pedicle screw 5's implantation depth in real time. Similarly, a second pointer is arranged on the side wall of the guide pin 6, and the implantation depth of the guide pin 6 is observed in real time through the change of the second pointer on the scale marks.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 3 and 4, a handle 7 is disposed at the tail end of the first sleeve 2, the handle 7 is perpendicular to the first sleeve 2, the first sleeve 2 is connected to the middle of the handle 7, and the handle 7 is rotated to rotate the first sleeve 2, which is convenient and labor-saving.
The limiting part 3 for limiting the axial direction of the guide pin 6 is arranged in the handle 7, specifically, a threaded hole 71 coaxial with the first sleeve 2 is arranged in the middle of the handle 7, the limiting part 3 is a section of screw rod matched with the threaded hole 71, a second through hole for the guide pin 6 to pass through is arranged at the axis of the screw rod, the screw rod is sleeved in from the tail end of the guide pin 6, and then the screw rod is screwed into the threaded hole 71 of the handle 7. The lateral wall of screw rod is equipped with the trompil, and the trompil inner wall is equipped with the internal thread, and a check pin 31 of installation in the trompil, check pin 31 lateral wall are equipped with the external screw thread, with check pin 31 screw in trompil, and the inner of check pin 31 supports the lateral wall at guide pin 6, locks guide pin 6 in the screw rod.
Referring to fig. 1 and 2, as a specific implementation manner of the embodiment of the present invention, the tail end of the pedicle screw 5 is provided with a tail cap 51, in order to connect the second sleeve 11 with the tail cap 51, a bayonet matched with the tail cap 51 is arranged at the head end of the second sleeve 11, and the tail cap 51 is embedded in the bayonet.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 2, two elastic pressing sheets 110 are symmetrically arranged at the head end of the second sleeve 11, the inner surface of the elastic pressing sheet 110 is provided with a chuck matched with the clamping grooves at the two sides of the tail cap 51, when the second sleeve 11 is connected with the tail cap 51 in an inserting manner, the two elastic pressing sheets 110 are spread, when the chucks are aligned with the clamping grooves, the chucks are embedded in the clamping grooves, the two elastic pressing sheets 110 are reset, and the tail cap 51 is clamped in the middle; when the second sleeve 11 is separated from the tail cap 51, the second sleeve 11 is pulled out towards the tail end, so that the disassembly and the assembly are convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Pedicle of vertebral arch screw is followed closely spanner on, its characterized in that includes:
the head end of the upper screw component is used for being matched with the pedicle screw and driving the pedicle screw; a first through hole for the guide pin to pass through is arranged inside the guide pin;
the head end of the first sleeve is connected with the tail end of the upper nail component through a first thread structure, and the tail end of the first sleeve is movably provided with a limiting piece for axially limiting the guide pin;
the locking piece is movably arranged on the upper nail component and used for locking the upper nail component and the first sleeve.
2. The pedicle screw driver wrench of claim 1, wherein the driver assembly includes:
the second sleeve is coaxially arranged with the first sleeve, the head end of the second sleeve is used for being matched with the tail cap of the pedicle screw, and the tail end of the second sleeve is connected with the head end of the first sleeve through a first thread structure;
the upper screw rod is coaxially arranged inside the second sleeve, the head end of the upper screw rod is used for being matched with the pedicle screw, and the first through hole is formed in the axis.
3. The pedicle screw driver according to claim 2, wherein the retainer comprises a sleeve handle sleeved on the second sleeve and capable of moving axially along the second sleeve;
the head end of the sleeve handle is provided with a first limiting structure for limiting the sleeve handle in the circumferential direction so that the sleeve handle and the second sleeve rotate coaxially; the tail end is provided with a containing groove for containing the head end of the second sleeve;
the bottom of holding tank is equipped with to first sleeve circumference spacing second limit structure to make first sleeve with the cover is coaxial to be rotated.
4. The pedicle screw driver as claimed in claim 2, wherein the side wall of the first sleeve is provided with an observation window for observing the position of the guide pin and the screw driver rod relative to the first sleeve.
5. The pedicle screw driving wrench as claimed in claim 4, wherein a side of the observation window is provided with a scale mark, a side wall of the guide pin is provided with a first pointer, and a side wall of the upper screw rod is provided with a second pointer.
6. The pedicle screw driver wrench of any one of claims 1-5, wherein the first sleeve has a handle at a rear end thereof perpendicular to the first sleeve, and the retainer is disposed in the handle.
7. The pedicle screw driver according to claim 6, wherein the retaining member is connected to the handle by a second thread structure.
8. The pedicle screw driving wrench as claimed in claim 6, wherein the limiting member has a second through hole at the axial center thereof for the guide pin to pass through, and a locking pin is disposed on the side wall thereof, and the locking pin is connected to the limiting member via a third thread structure.
9. The pedicle screw driving wrench according to any one of claims 2-5, wherein the head end of the second sleeve is provided with a bayonet for matching with a tail cap of the pedicle screw, and the tail cap of the pedicle screw is embedded into the bayonet.
10. The pedicle screw driving wrench as claimed in claim 9, wherein the second sleeve has a head end provided with an elastic pressing piece, and an inner surface of the elastic pressing piece is provided with a chuck for matching with the slot on the tail cap of the pedicle screw.
CN202010162077.4A 2020-03-10 2020-03-10 Pedicle screw screwing wrench Active CN111329572B (en)

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Application Number Priority Date Filing Date Title
CN202010162077.4A CN111329572B (en) 2020-03-10 2020-03-10 Pedicle screw screwing wrench

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Application Number Priority Date Filing Date Title
CN202010162077.4A CN111329572B (en) 2020-03-10 2020-03-10 Pedicle screw screwing wrench

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CN111329572A true CN111329572A (en) 2020-06-26
CN111329572B CN111329572B (en) 2021-05-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113057726A (en) * 2021-03-22 2021-07-02 北京市春立正达医疗器械股份有限公司 Spanner is controlled to intramedullary nail tail nail

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8202274B2 (en) * 2010-06-18 2012-06-19 Spine Wave, Inc. Apparatus and method for detecting a connecting rod during percutaneous surgery
CN103533904A (en) * 2011-03-10 2014-01-22 介入脊椎公司 Method and apparatus for minimally invasive insertion of intervertebral implants
CN105188583A (en) * 2013-03-14 2015-12-23 德普伊新特斯产品公司 Bone anchors and surgical instruments with integrated guide tips
CN107106215A (en) * 2014-08-04 2017-08-29 德普伊新特斯产品公司 Device for inserting spinal bone screw
US20190125421A1 (en) * 2017-11-02 2019-05-02 Medos International Sarl Bone Anchor Insertion Instruments and Methods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8202274B2 (en) * 2010-06-18 2012-06-19 Spine Wave, Inc. Apparatus and method for detecting a connecting rod during percutaneous surgery
CN103533904A (en) * 2011-03-10 2014-01-22 介入脊椎公司 Method and apparatus for minimally invasive insertion of intervertebral implants
CN105188583A (en) * 2013-03-14 2015-12-23 德普伊新特斯产品公司 Bone anchors and surgical instruments with integrated guide tips
CN107106215A (en) * 2014-08-04 2017-08-29 德普伊新特斯产品公司 Device for inserting spinal bone screw
US20190125421A1 (en) * 2017-11-02 2019-05-02 Medos International Sarl Bone Anchor Insertion Instruments and Methods

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113057726A (en) * 2021-03-22 2021-07-02 北京市春立正达医疗器械股份有限公司 Spanner is controlled to intramedullary nail tail nail

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