CN112370137A - Rod holding system for minimally invasive spine surgery - Google Patents
Rod holding system for minimally invasive spine surgery Download PDFInfo
- Publication number
- CN112370137A CN112370137A CN202011128215.3A CN202011128215A CN112370137A CN 112370137 A CN112370137 A CN 112370137A CN 202011128215 A CN202011128215 A CN 202011128215A CN 112370137 A CN112370137 A CN 112370137A
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- China
- Prior art keywords
- thimble
- bin
- rod
- threaded
- screw rod
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- 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
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
- A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
Abstract
The invention discloses a rod holding system for a spinal minimally invasive surgery, which comprises a handle, a connecting rod, a clamping device and a connecting rod, wherein the connecting rod is simultaneously connected with the handle and the clamping device, the clamping device comprises a clamping body, the clamping body is provided with a guide bin, the front end of the guide bin is provided with a connecting rod insertion hole with an opening direction intersecting with the extension direction of the guide bin, a screw rod and a thimble are arranged in the guide bin, the front end of the screw rod is connected with the rear end of the thimble, and the connecting end head of the connecting rod is propped and locked by the front end of the thimble after being inserted into the connecting rod insertion hole. The screw rod can be rotated to drive the thimble to advance and retreat, so that the connecting rod is locked or loosened, the operation is very convenient, the operation precision is high, the response speed is high, the integral structure is detachable, and the rod holding system can be recycled after cleaning and disinfection. The invention is used for minimally invasive spine surgery.
Description
Technical Field
The invention relates to the field of medical operations, in particular to a rod holding system for a spinal minimally invasive operation.
Background
With the further understanding of the minimally invasive spine surgery technology, the minimally invasive spine surgery has gradually replaced the traditional open surgery and is applied to the spine degeneration, fracture, orthopedic surgery and other surgeries, and the matched surgical tools thereof are also continuously advanced and developed. Generally, the percutaneous pedicle screws of minimally invasive spine surgery are placed through percutaneous environment, and the screws are not completely cut and exposed. The connecting rod is required to be held by a tool in the operation and to pass through muscles and ligaments to be placed between an upper vertebral pedicle screw and a lower vertebral pedicle screw or between the upper vertebral pedicle screw and the lower vertebral pedicle screw, and finally the effects of fixing and supporting the vertebral column of the vertebral pedicle screw-rod system of the vertebral column are achieved.
In order to better complete the insertion of the connecting rod, a rod holder is designed, and is connected with the connecting rod through a locking device to form a rod holding system. However, the connecting rod is cylindrical in shape and is easy to slip and shake, and the connecting rod is easy to shake and loosen in the process of being placed in the connecting rod, so that the operation is affected. And after the rod is loaded, the locking device cannot be well reset due to the obstruction of blood and human tissue fragments, so that the connection rod can be prevented from withdrawing, and the operation is influenced. In addition, some non-detachable rod holders are difficult to clean completely due to the fact that blood and human tissue debris are left inside the rod holders after operation, the rod holders are reusable surgical tools, and the left residues are likely to fall into the body of a patient during the following operation to cause medical accidents.
Disclosure of Invention
The invention aims to provide a rod holding system for spinal minimally invasive surgery, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.
The technical scheme adopted for solving the technical problems is as follows:
a rod holding system for minimally invasive spine surgery, comprising:
a handle;
a connecting rod including a first end and a second end, the first end being connected to the handle;
a clamping device, comprising:
the clamping body is provided with a long and straight guide bin, the guide bin comprises a thimble translation bin and a thread bin provided with an internal thread, the thimble translation bin and the thread bin are respectively positioned at the front part and the rear part of the guide bin, the thread bin is coaxially communicated with the thimble translation bin, the thread bin is provided with a thread inlet, the front end of the thimble translation bin is provided with a connecting rod insertion hole, the opening direction of the connecting rod insertion hole is intersected with the extension direction of the guide bin, and the second end of the connecting rod is fixedly connected with the clamping body; the screw rod is provided with a thread section on the rod body, and after being inserted into the thread inlet, the screw rod is screwed with the internal thread of the thread bin through the thread section; the ejector pin is arranged in the ejector pin translation bin, the rear end of the ejector pin is detachably connected with the front end of the screw rod, so that the ejector pin can be pulled by the screw rod to translate along the ejector pin translation bin, and the stroke end point of the ejector pin comprises the position that the front end of the ejector pin reaches the insertion opening of the connecting rod;
the rod holding system for minimally invasive spine surgery further comprises a connecting rod which integrally extends in a bending mode, the connecting rod is provided with a connecting end inserted into the connecting rod insertion hole, and the connecting end can be pressed by the front end of the ejector pin to be connected with the clamping body.
The screw rod can be driven to move forwards and backwards along the threaded bin by rotating the screw rod, so that the ejector pin is driven to move forwards and backwards along the ejector pin translation bin; after the connecting end of the connecting rod is inserted into the connecting rod insertion hole, the screw rod is operated to rotate, the ejector pin is pushed to move forwards, and finally the front end of the ejector pin reaches the connecting rod insertion hole, namely, the connecting end can be pressed tightly, so that the connecting rod is locked on the clamping device, a doctor holds the handle to assemble and support the pedicle screws in the minimally invasive spine surgery, the effects of minimally invasive and stable operation can be achieved, after the connecting rod is assembled with the surgical implant, the screw rod is rotated reversely, the ejector pin can be pulled to retreat, so that the connecting end is loosened, and finally the connecting rod is separated, and the operation is very convenient. Because the screw rod thread is adopted for driving feeding, the device has high operation precision and high response speed, and is very convenient and fast to lock or loosen. And the overall structure is detachable, so that the rod holding system can be recycled after cleaning and disinfection.
In some embodiments, the front end of the thimble is in a triangular wedge shape, the connecting end is provided with an arc-shaped notch towards the direction of the thimble, the arc-shaped notch faces the direction of the front end of the thimble, and the bottom of the inserting port of the connecting rod is provided with an elastic body; when the connecting end is inserted into the connecting rod insertion opening and does not press the elastic body to deform, the pointed direction of the apex angle of the triangular wedge shape falls on the lower part of the arc-shaped notch.
Because the apex angle of the triangular wedge is pointed to and falls on the lower part of the arc-shaped notch before the elastic body deforms, in the process that the screw rod rotates and pushes the thimble to advance and the connecting rod is locked, the apex angle of the triangular wedge gradually presses the arc-shaped notch to enable the connecting rod to slightly move downwards, the downward movement presses the elastic body to elastically deform to generate reverse elastic force, and the elastic force is obliquely intersected with the feeding force of the screw rod, so that the connecting rod can be further clamped, and the locking of the component is guaranteed.
In some embodiments, the front section of the screw rod is provided with a concave ring stage, and the rear part of the ejector pin is in concave-convex fit with the concave ring stage, so that the ejector pin is connected with the screw rod. The arrangement of the concave ring stage makes the connection between the screw rod and the rear part of the thimble very convenient, and the translation structure of the thimble and the relative rotation structure of the screw rod have more design spaces.
In some embodiments, the thimble comprises sliding guide grooves on the left and right sides thereof, and the extension direction of the sliding guide grooves is parallel to the guide bin; the guide bin is provided with an upward opening for the thimble to be placed in, and the left wall and the right wall of the opening are provided with sliding guide rails matched with the sliding guide grooves. The sliding guide grooves and the sliding guide rails on the two sides enable the ejector pins to be quite stable in translation action and not prone to deflection, and can effectively keep the ejector pins matched with the guide bin, so that the ejector pins cannot be separated from the guide bin.
In some embodiments, the clamping body comprises a clamping body base and a threaded buckle which is located at the rear side relative to the clamping body base, the front part of the threaded buckle is provided with a connecting socket, the rear part of the clamping body base is provided with a connecting plug handle which is inserted into the connecting socket, and the connecting socket and the connecting plug handle are fixedly connected through a plurality of threaded pieces; the thread bin is arranged on the thread button, and the thread inlet is formed in the rear end of the thread button; the front part of the thimble translation bin is arranged on the clamping body base, and the rear part of the thimble translation bin is arranged on the thread buckle. The split type design of the clamping body facilitates the assembly of the assembly body with the concave-convex matching structure on the side surface like the thimble with the sliding guide groove, and the thimble can firstly slide into the clamping body base and then assemble the thread buckle and the clamping body base together. In some occasions requiring more stable connection, the connecting socket and the connecting plug handle can be connected and fixed by the screw member and then spot-welded.
In some embodiments, a limiting groove with a downward notch is arranged below the rear part of the ejector pin, a screw rod connecting boss is arranged at the rear end of the limiting groove downwards, and the screw rod connecting boss is embedded with the concave ring table in a staged manner. The embodiment enables the axial direction of the screw rod relative to the ejector pin to be limited, and the degree of freedom of the screw rod rotating around the self axis is reserved. In addition, the scheme can make the processing of parts easier.
In some embodiments, the thimble comprises a screw rod limiting hoop located at the rear end of the thimble, a notch for placing the front section of the screw rod is arranged in the screw rod limiting hoop, and the rear end of the screw rod limiting hoop is folded and is in stage scarf joint with the concave ring platform. This embodiment also allows the axial direction of the screw relative to the thimble to be limited, but retains the degree of freedom of the screw to rotate about its own axis. In addition, the scheme can make the whole structure simpler.
On the basis of the above embodiment, further, a channel for the screw rod limiting hoop to be inserted and translated is arranged on the inner wall of the threaded bin, and the channel is coaxial with the guide bin. The improved scheme integrates the rotation stopping requirement of the thimble into the threaded bin, and a sliding groove and a sliding rail are not required to be arranged outside, so that the structure is further simplified.
In some embodiments, the thimble translation bin comprises a first stepped bore section and a second stepped bore section connected in series, the first stepped bore section being forward relative to the second stepped bore section, the first stepped bore section having a smaller bore diameter than the second stepped bore section; the front section of the thimble correspondingly comprises a first thimble section and a second thimble section, and the outer diameters of the first thimble section and the second thimble section are respectively matched with the first step hole section and the second step hole section. The secondary steps with the segmented sizes can play a role in positioning the feeding stroke of the ejector pin and prevent the connecting end from being crushed due to overfeeding.
Drawings
The invention is further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the locking structure of the thimble and the connecting rod according to the present invention;
FIG. 3 is an exploded view of a clamping device according to a first embodiment of the present invention;
FIG. 4 is an axial cross-sectional view of a clamping device according to a first embodiment of the present invention;
FIG. 5 is an exploded view of a clamping device according to a second embodiment of the present invention;
fig. 6 is an axial cross-sectional view of a clamping device in a second embodiment of the invention.
100. The clamping device comprises a handle, 200, a connecting rod, 301, a threaded bin, 302, a thimble translation bin, 303, a screw rod, 3031, a concave ring table stage, 304, a thimble, 3041, a sliding guide groove, 3042, a sliding guide rail, 3043, a screw rod limiting hoop, 305, a connecting rod insertion opening, 306, an elastic body, 307, a clamping body base, 308, a threaded buckle, 400, a connecting rod, 401 and a connecting end head.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are described, the meaning is one or more, the meaning of a plurality is two or more, more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The invention includes a variety of embodiments, only two of which are listed below, along with some of their respective sub-embodiments.
The first embodiment is as follows:
referring to fig. 1 to 4, the present invention includes a handle 100, a connecting rod 200, a clamping device and a connecting rod 400, wherein the handle 100 and the connecting rod 200 may adopt the existing rod holder for spinal minimally invasive surgery, the clamping device includes a clamping body base 307 and a threaded buckle 308, the rear end of the clamping body base 307 is connected with the front end of the threaded buckle 308, in the assembled body, a threaded bin 301 and a thimble translation bin 302 are arranged from back to front, wherein the threaded bin 301 has a threaded inlet arranged on the rear end surface of the threaded buckle 308, a thimble 304 capable of translating along the thimble translation bin 302 is arranged in the thimble translation bin 302, a screw rod 303 is screwed in from the threaded inlet to be connected with the rear end of the thimble 304, and the translation feeding of the thimble 304 is realized by the rotation of the screw rod 303 in the threaded bin 301. The front end of the base 307 is provided with a recess for the insertion opening 305 of the connection rod, the insertion opening 305 of the connection rod is opened upward, and the bottom of the base is provided with an elastic body, which can be a medical rubber pad or other elastic deformable materials. An end of the connecting rod 400 is inserted into the connecting rod insertion hole 305 as a connecting tip 401, and is pressed and locked by a tip of the thimble 304. The first end of the connection rod 200 is connected to the handle 100, and the second end of the connection rod 200 is connected to the clamp body base 307, and more particularly, arc welding may be employed.
The clamping body base 307 is a half surrounding part and is provided with a bottom wall and side walls connected with two sides of the bottom wall, so that a long groove body is defined, and the upper edge of the groove wall of the long groove body is bent inwards to form a sliding guide rail 3042; correspondingly, the left and right sides of the thimble 304 are respectively provided with a sliding guide groove 3041, and the thimble 304 and the holder base 307 are assembled by inserting the sliding guide rail 3042 into the sliding guide groove 3041. The long groove body can be regarded as a thimble translation bin 302. In other embodiments, the thread buckle 308 is also provided with a section of rear groove body, which is continuous and matched with the long groove body, so that the combination of the rear groove body and the long groove body can be regarded as the thimble translation bin 302, and the design of the disassembly groove body does not loosen the structure due to the connection effect of the thimble 304.
The front end of the thimble 304 is in a triangular wedge shape, and the connecting end 401 is provided with an arc notch towards the thimble 304. The arc-shaped notch is the connecting end 401 observed from the side, the shape of the notch is an arc line, and the convex direction of the arc line faces forwards. The top angle of the triangular wedge faces the lower part of the arc line, so that when the thimble 304 moves forwards to abut against the end surface of the arc notch, the connecting end 401 is forced to move downwards, a certain amount of downward movement capacity exists because the bottom of the connecting rod insertion opening 305 is provided with an elastic body, but an upward elastic acting force is generated at the same time, after the component force of the elastic acting force is transmitted to the screw rod 303, the screw rod 303 cannot retreat due to the blockage of the thread, but the thimble 304 tends to deviate, so that a triangular stable structure is formed with the connecting end 401 and the peripheral wall of the connecting rod insertion opening 305, and the connecting rod 400 is further prevented from loosening.
The front section of the screw rod 303 is turned into a circle of concave ring stage 3031, so that two sections with a large diameter and a small diameter are sequentially formed on the front section of the screw rod 303, and the small diameter section is the concave ring stage 3031. A vacant site matched with the end of the screw rod 303 is reserved below the rear part of the thimble 304, the vacant site comprises a first semicircle positioned in front and a second semicircle positioned behind the first semicircle, the diameter of the second semicircle is slightly smaller than the first semicircle, so the vacant site is just in concave-convex fit with the concave ring stage 3031, the advancing and retreating actions of the screw rod 303 directly drive the thimble 304 to advance and retreat, but the rotation of the screw rod 303 is not limited. In some embodiments, the second semicircle may be limited by only one section of protrusion.
Example two:
referring to fig. 5 and 6, the shape and structure of the second embodiment are basically the same as those of the first embodiment, but the specific structure of the clamping device is different. In this embodiment, the clamping body is a whole, a long straight hole is linearly machined from the back to the front, the rear section of the long straight hole is a threaded hole and serves as the threaded bin 301, and the front section of the long straight hole is a round hole and serves as the thimble translation bin 302. The rear end of the thimble 304 is provided with a screw rod spacing hoop 3043 which is relatively flat and has a flat thickness; a channel is axially formed in the peripheral wall of the threaded bin 301, and the screw rod spacing collar 3043 can be just matched with the channel, so that the thimble 304 can translate along the thimble translation bin 302. Viewed in the axial direction of the screw bin 301, the channel is a notch formed at the screw inlet and extending into the screw bin. Specifically, the lead screw position-limiting hoop 3043 includes a left and a right hoop clamps, and the space enclosed by the two clamps includes a large empty space at the front part and a small empty space at the rear part, which are just matched with the large and small diameter sections in the front part of the lead screw 303, and the rear end of the lead screw position-limiting hoop 3043 is enclosed and embedded with the concave ring stage 3031. In some embodiments, only one band clamp may remain, which can also engage the female land stage 3031 and serve as a rotation stop.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (9)
1. Spinal column minimal access surgery is with holding excellent system, its characterized in that: the method comprises the following steps:
a handle (100);
a connecting rod (200) comprising a first end and a second end, the first end being connected to the handle (100);
a clamping device, comprising:
the clamping body is provided with a long and straight guide bin, the guide bin comprises an ejector pin translation bin (302) and a threaded bin (301) provided with an internal thread, the ejector pin translation bin (302) and the threaded bin (301) are respectively positioned at the front part and the rear part of the guide bin, the threaded bin (301) is coaxially communicated with the ejector pin translation bin (302), the threaded bin (301) is provided with a threaded inlet, the front end of the ejector pin translation bin (302) is provided with a connecting rod insertion hole (305), the opening direction of the connecting rod insertion hole (305) is intersected with the extension direction of the guide bin, and the second end of the connecting rod (200) is fixedly connected with the clamping body;
the screw rod (303) is provided with a threaded section on the rod body, and after the screw rod (303) is inserted into the threaded inlet, the screw rod is screwed with the internal thread of the threaded bin (301) through the threaded section;
the ejector pin (304) is arranged in the ejector pin translation bin (302), the rear end of the ejector pin (304) is detachably connected with the front end of the screw rod (303), so that the ejector pin (304) can be pulled by the screw rod (303) to translate along the ejector pin translation bin (302), and the stroke end point of the ejector pin (304) comprises that the front end of the ejector pin (304) reaches the connecting rod insertion hole (305);
and a connecting rod (400) extending in a bent manner as a whole, wherein the connecting rod (400) has a connecting tip (401) inserted into the connecting rod insertion opening (305), and the connecting tip (401) is connected to the holding body by being pressed by the front end of the thimble (304).
2. The rod holding system for minimally invasive spinal surgery according to claim 1, characterized in that: the front end of the thimble (304) is in a triangular wedge shape, an arc-shaped notch is formed in the direction of the connecting end (401) towards the thimble (304), the arc-shaped notch faces the front end of the thimble (304), and an elastic body (306) is arranged at the bottom of the connecting rod insertion hole (305); when the connecting end head (401) is inserted into the connecting rod insertion opening (305) and does not press the elastic body (306) to deform, the pointed direction of the apex angle of the triangular wedge is located at the lower part of the arc-shaped notch.
3. The rod holding system for spinal minimally invasive surgery according to claim 2, characterized in that: the front section of the screw rod (303) is provided with a concave ring stage (3031), and the rear part of the ejector pin (304) is in concave-convex fit with the concave ring stage (3031), so that the ejector pin (304) is connected with the screw rod (303).
4. The rod holding system for minimally invasive spinal surgery according to claim 3, characterized in that: the thimble (304) comprises sliding guide grooves (3041) positioned on the left side and the right side of the thimble, and the extension direction of the sliding guide grooves (3041) is parallel to the guide bin; the guide bin is provided with an upward opening for the thimble (304) to be placed in, and the left wall and the right wall of the opening are provided with sliding guide rails (3042) matched with the sliding guide grooves (3041).
5. The rod holding system for minimally invasive spinal surgery according to claim 3, characterized in that: the clamping body comprises a clamping body base (307) and a threaded buckle (308) which is located behind the clamping body base (307), a connecting socket is arranged at the front part of the threaded buckle (308), a connecting inserting handle inserted into the connecting socket is arranged at the rear part of the clamping body base (307), and the connecting socket and the connecting inserting handle are fixedly connected through a plurality of threaded pieces; the threaded bin (301) is arranged on the threaded buckle (308), and the threaded inlet is formed in the rear end of the threaded buckle (308); the front part of the thimble translation bin (302) is arranged on the clamping body base (307), and the rear part of the thimble translation bin (302) is arranged on the thread buckle (308).
6. The rod holding system for minimally invasive spinal surgery according to claim 3, characterized in that: a limiting groove with a downward notch is arranged below the rear part of the ejector pin (304), a screw rod connecting boss is arranged at the rear end of the limiting groove downwards, and the screw rod connecting boss is embedded with the concave ring platform stage (3031).
7. The rod holding system for minimally invasive spinal surgery according to claim 3, characterized in that: the thimble (304) comprises a screw rod limiting hoop (3043) positioned at the rear end of the thimble, a notch for placing the front section of the screw rod (303) is arranged in the screw rod limiting hoop (3043), and the rear end of the screw rod limiting hoop (3043) is folded and is embedded with the concave ring platform stage (3031).
8. The rod holding system for minimally invasive spinal surgery according to claim 7, characterized in that: and a channel for a screw rod spacing hoop (3043) to be inserted and translated is arranged on the inner wall of the threaded bin (301), and the channel is coaxial with the guide bin.
9. The rod holding system for minimally invasive spinal surgery according to claim 8, characterized in that: the thimble translation bin (302) comprises a first step hole section and a second step hole section which are connected in sequence, the first step hole section is positioned in front relative to the second step hole section, and the aperture of the first step hole section is smaller than that of the second step hole section; the front section of the thimble (304) also correspondingly comprises a first thimble section and a second thimble section, and the outer diameters of the first thimble section and the second thimble section are respectively matched with the first step hole section and the second step hole section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128215.3A CN112370137A (en) | 2020-10-20 | 2020-10-20 | Rod holding system for minimally invasive spine surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128215.3A CN112370137A (en) | 2020-10-20 | 2020-10-20 | Rod holding system for minimally invasive spine surgery |
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| Publication Number | Publication Date |
|---|---|
| CN112370137A true CN112370137A (en) | 2021-02-19 |
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ID=74580304
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011128215.3A Pending CN112370137A (en) | 2020-10-20 | 2020-10-20 | Rod holding system for minimally invasive spine surgery |
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| CN (1) | CN112370137A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010027318A1 (en) * | 2000-03-28 | 2001-10-04 | Kazuya Oribe | Rod gripper |
| CN203609508U (en) * | 2013-11-14 | 2014-05-28 | 山东威高骨科材料有限公司 | Bar placing device |
| US20140277168A1 (en) * | 2007-10-23 | 2014-09-18 | Clark Hutton | Rod inserter and methods of use |
| US20170065307A1 (en) * | 2010-08-02 | 2017-03-09 | DePuy Synthes Products, Inc. | Orthopedic Implant System |
| US20170238975A1 (en) * | 2011-02-10 | 2017-08-24 | Nuvasive, Inc. | Minimally Invasive Spinal Fixation System and Related Methods |
| CN209122427U (en) * | 2018-02-11 | 2019-07-19 | 常州市第二人民医院 | Rotary promote holds stick device |
| CN211325493U (en) * | 2019-11-29 | 2020-08-25 | 安阳市圣杰科技有限公司 | Rod holder |
| JP2020156707A (en) * | 2019-03-26 | 2020-10-01 | 京セラ株式会社 | Rod inserter |
-
2020
- 2020-10-20 CN CN202011128215.3A patent/CN112370137A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010027318A1 (en) * | 2000-03-28 | 2001-10-04 | Kazuya Oribe | Rod gripper |
| US20140277168A1 (en) * | 2007-10-23 | 2014-09-18 | Clark Hutton | Rod inserter and methods of use |
| US20170065307A1 (en) * | 2010-08-02 | 2017-03-09 | DePuy Synthes Products, Inc. | Orthopedic Implant System |
| US20170238975A1 (en) * | 2011-02-10 | 2017-08-24 | Nuvasive, Inc. | Minimally Invasive Spinal Fixation System and Related Methods |
| CN203609508U (en) * | 2013-11-14 | 2014-05-28 | 山东威高骨科材料有限公司 | Bar placing device |
| CN209122427U (en) * | 2018-02-11 | 2019-07-19 | 常州市第二人民医院 | Rotary promote holds stick device |
| JP2020156707A (en) * | 2019-03-26 | 2020-10-01 | 京セラ株式会社 | Rod inserter |
| CN211325493U (en) * | 2019-11-29 | 2020-08-25 | 安阳市圣杰科技有限公司 | Rod holder |
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Application publication date: 20210219 |