CN113974795B - Puncture needle - Google Patents
Puncture needle Download PDFInfo
- Publication number
- CN113974795B CN113974795B CN202111335104.4A CN202111335104A CN113974795B CN 113974795 B CN113974795 B CN 113974795B CN 202111335104 A CN202111335104 A CN 202111335104A CN 113974795 B CN113974795 B CN 113974795B
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- Prior art keywords
- needle
- control valve
- needle tube
- puncture
- inlet
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Classifications
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
- A61B2017/3456—Details of tips blunt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention provides a puncture needle, which comprises an outer needle assembly and an inner needle assembly, wherein the outer needle assembly comprises a control valve and an outer needle tube connected with an outlet of the control valve; the inner needle assembly comprises an inner needle tube and a needle cover connected with the inner needle tube; the outer diameter of the inner needle tube is smaller than the inner diameter of the outer needle tube, the inner needle tube is inserted into the outer needle tube and is in threaded connection with an inlet of the control valve through the needle cover, and a limit clamp used for preventing the outer needle tube from falling off from a puncture part after puncture is arranged on the outer wall of one end of the outer needle tube, which is far away from the control valve. According to the puncture needle disclosed by the invention, puncture is realized through the inner needle assembly, the inner needle assembly is taken down after the puncture is finished, liquid is injected into the intervertebral space through the outer needle assembly to realize hydraulic expansion of the intervertebral space, and as the limiting clamp is arranged on the outer needle assembly, a puncture opening can be closed after the puncture, gradual deep puncture is realized, the using amount of tools in the spine slipping operation is reduced, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a puncture needle.
Background
The spine slipping intervertebral distraction slipping reduction of the intervertebral space collapse type needs to consider a plurality of comprehensive factors such as the height of the intervertebral space, the lifting strength of a resetting screw, the bone condition of the slipping vertebral body and the like in the slipping reduction operation, and the patient can restore the spinal nerves which are pulled and clamped to physiological anatomical positions only under the condition of complete reduction, so that complete decompression is obtained.
The current method adopted in the slipping operation is to firstly loosen the joint and then cut off part of the vertebral lamina, cut off the posterior longitudinal ligament fibrous ring, treat the intervertebral disc, and then place the intervertebral spreader between the end plates of the intervertebral disc or between the pedicle screws which are already placed. The existing spreader adopts metal instruments to mechanically spread, such as an intervertebral spreader directly acting on an end plate, and a spreader directly acting on a pedicle screw, so that the end plate is necessarily damaged while a intervertebral space is spread, and simultaneously, a longitudinal shearing force is applied to the pedicle when the screw is spread, so that screw cutting loosening usually occurs when the vertebral body is lifted, reset and slipping, the end plate collapses, and finally, the reset failure is caused, thereby reducing the curative effect of the operation, increasing the operation time and even causing the operation failure. This is the least desirable but inevitably difficult procedure for most spinal surgeons at this stage when performing lumbar spondylolisthesis reduction + endoprosthesis + bone fusion procedures for moderately severe degenerative lumbar spondylolisthesis patients, especially those who incorporate osteoporosis.
The invention aims to provide a puncture tool which has a simple structure and is convenient to use, liquid is injected into an intervertebral space under the condition that intervertebral discs, fibrous rings and posterior longitudinal ligaments are not damaged, hydraulic expansion of the intervertebral space is realized under a certain pressure, and then screw lifting and resetting are carried out.
Disclosure of Invention
The invention provides a puncture needle, which aims to solve the technical problems of complex tools, inconvenient intervertebral distraction and serious complications in the existing slipping operation.
The technical scheme of the invention is as follows:
a puncture needle comprising an outer needle assembly and an inner needle assembly, wherein the outer needle assembly comprises a control valve and an outer needle tube connected with an outlet of the control valve; the inner needle assembly comprises an inner needle tube and a needle cover connected with the inner needle tube; the outer diameter of the inner needle tube is smaller than the inner diameter of the outer needle tube, the inner needle tube is inserted into the outer needle tube and is in threaded connection with an inlet of the control valve through the needle cover, and a limit clamp used for preventing the outer needle tube from falling off from a puncture part after puncture is arranged on the outer wall of one end of the outer needle tube, which is far away from the control valve.
In an alternative embodiment of the invention, a plurality of limit clamps are arranged on the outer needle tube at intervals.
In an optional embodiment of the present invention, the shape of the limiting card is a truncated cone, and the truncated cone includes an upper bottom surface and a lower bottom surface, and the area of the lower bottom surface is larger than that of the upper bottom surface, and the lower bottom surface of the truncated cone faces the control valve.
In an alternative embodiment of the present invention, the needle cover includes a cover body having a recess in the center, a needle tube fixing column is disposed in the recess of the cover body, the inner needle tube is disposed on the needle tube fixing column, and an outer diameter of the needle tube fixing column is smaller than an inner diameter of the inlet of the control valve; the inner wall of the cover body is provided with internal threads, the inlet of the control valve is provided with external threads matched with the internal threads, and the cover body is in threaded connection with the inlet of the control valve.
In an alternative embodiment of the present invention, the outer wall of the cover is provided with anti-slip patterns for facilitating rotation of the cover.
In an alternative embodiment of the invention, the control valve comprises a valve body and a valve core rotatably connected with the valve body; the inlet and the outlet of the control valve are symmetrically arranged on the valve body, and a connecting line between the inlet and the outlet is perpendicular to the valve core; the valve core is provided with a flow passage used for communicating the inlet and the outlet when the control valve is in an open state.
In an alternative embodiment of the present invention, the interval between any two adjacent limit cards is 3-5mm.
In an alternative embodiment of the invention, a rotary handle is provided on the valve core outside the valve body.
In an alternative embodiment of the invention, a supporting rod is further arranged on the valve core outside the valve body and used for being matched with the valve body to limit the rotation angle of the valve core.
In an alternative embodiment of the present invention, the end of the outer needle tube away from the control valve is a flat head, and the end of the inner needle tube away from the needle cover is a pointed head, and the pointed head is arranged to expose the outer needle tube when the needle cover and the inlet of the control valve are screwed together.
The beneficial effects are as follows: the invention provides a puncture needle, which comprises an outer needle assembly and an inner needle assembly, wherein the outer needle assembly comprises a control valve and an outer needle tube connected with an outlet of the control valve; the inner needle assembly comprises an inner needle tube and a needle cover connected with the inner needle tube; the outer diameter of the inner needle tube is smaller than the inner diameter of the outer needle tube, the inner needle tube is inserted into the outer needle tube and is in threaded connection with an inlet of the control valve through the needle cover, and a limiting clamp used for preventing the outer needle tube from falling off from a puncture part (intervertebral disc annulus and posterior longitudinal ligament) after puncture is arranged on the outer wall of one end of the outer needle tube, which is far away from the control valve. According to the puncture needle, puncture is realized through the inner needle assembly, the inner needle assembly is taken down after the puncture is finished, liquid is injected into the intervertebral space through the outer needle assembly to realize hydraulic expansion of the intervertebral space, and as the limiting clamp is arranged on the outer needle assembly, a puncture opening can be closed after the puncture, gradual deep puncture is realized, the puncture needle is not easy to fall off, the use amount of tools in the spine slippage operation is reduced, and the operation efficiency is improved.
Drawings
FIG. 1 is a schematic view of an assembled lancet according to the present invention.
Fig. 2 is a schematic view of the structure of the puncture needle of the present invention after being disassembled.
Fig. 3 is an enlarged view of region B of fig. 2.
Fig. 4 is a schematic view of the structure of an inner needle assembly according to the present invention.
Fig. 5 is a schematic diagram of an assembled structure of a control valve according to the present invention.
Fig. 6 is an exploded view of a control valve according to the present invention.
Fig. 7 is an enlarged view of region a of fig. 1.
The reference numerals are as follows:
10-an outer needle assembly; 20-an inner needle assembly; 30-controlling a valve; 40-outlet; 50-an outer needle tube; 60-an inner needle tube; 70-needle cover; 80-inlet; 90-limiting clamps; 100-grooves; 110-a cover; 120-needle tube fixing columns; 130-anti-skid patterns; 140-valve body; 150-valve core; 160-flow channels; 170-turning the handle; 180-abutting the rod; 190-flathead; 200-tip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The prior art commonly used in the spine slipping, intervertebral distraction, slipping and reposition operation of the intervertebral space collapse type is to firstly loosen the joints, then cut part of the vertebral lamina, cut the posterior longitudinal ligament fibrous ring, treat the intervertebral space of the intervertebral disc, and then place an intervertebral distractor between the end plates of the intervertebral space or between the pedicle screws which are already placed. The existing spreader adopts metal instruments to mechanically spread, such as an intervertebral spreader directly acting on an end plate, and a spreader directly acting on a pedicle screw, so that the end plate is necessarily damaged while a intervertebral space is spread, and simultaneously, a longitudinal shearing force is applied to the pedicle when the screw is spread, so that screw cutting loosening usually occurs when the vertebral body is lifted, reset and slipping, the end plate collapses, and finally, the reset failure is caused, thereby reducing the curative effect of the operation, increasing the operation time and even causing the operation failure.
In order to solve the above technical problems, referring to fig. 1, a puncture needle of the present invention, which is suitable for the intervertebral distraction, slippage and reduction of the intervertebral foramen collapse type, comprises an outer needle assembly 10 and an inner needle assembly 20, referring to fig. 2, the outer needle assembly 10 comprises a control valve 30, and an outer needle tube 50 connected with an outlet 40 of the control valve 30; the inner needle assembly 20 includes an inner needle tube 60, and a needle cover 70 coupled to the inner needle tube 60; the outer diameter of the inner needle tube 60 is smaller than the inner diameter of the outer needle tube 50, the inner needle tube 60 is inserted into the outer needle tube 50 and is in threaded connection with the inlet 80 of the control valve 30 through the needle cover 70, and a limit clamp 90 for preventing the outer needle tube 50 from falling off from a puncture position after puncture is arranged on the outer wall of one end of the outer needle tube 50, which is far away from the control valve 30.
The operating principle of the puncture needle of the invention is as follows: firstly, the sharpness and rigidity of the inner needle assembly 20 are utilized to accurately place the outer needle assembly 10 into the intervertebral space, after the outer needle assembly 10 reaches the preset position, the inner needle assembly 20 is removed, then a pressure pump or an injector is connected to the inlet 80 of the control valve 30, physiological saline is injected into the intervertebral space through the pressure pump or the injector, a hydraulic effect is generated in a cystic space formed by the complete fibrous ring and the posterior longitudinal ligament, vertebral bodies on two sides of the intervertebral space are uniformly stressed, meanwhile, the outer needle assembly 10 is limited between the fibrous ring and the posterior longitudinal ligament by utilizing the limiting clamp 90, the outer needle assembly 10 is prevented from being withdrawn from the intervertebral space due to overlarge pressure, and a plurality of limiting clamps 90 are arranged on the outer needle tube 50 at intervals, so that the limiting clamp 90 has multistage limiting capability.
In general, the present invention utilizes the manner in which the needle injects saline into the intervertebral space to treat the spondylolisthesis, and hydraulic force reduction has the following advantages over the mechanical force reduction currently used: 1, the stress is balanced, the pressure intensity in unit area is small, the total pressure is strong, and the fracture of bone is small. And 2, the pressure is controllable and monitorable, precious intervertebral space expansion pressure data can be collected while the operation is safer, and the long-term clinical new technology innovation is guided.
Referring to fig. 2 and 3, in an alternative embodiment of the present invention, the stopper 90 has a circular truncated cone shape, and the circular truncated cone shape includes an upper bottom surface and a lower bottom surface, and the area of the lower bottom surface is larger than that of the upper bottom surface, and the lower bottom surface of the circular truncated cone shape faces the control valve 30. In this embodiment, the round table-shaped limiting clip 90 is adopted, and the lower bottom surface with a larger round table-shaped area faces the control valve 30, so that the puncture needle is convenient to insert into the intervertebral space, and the limiting clip 90 can play a good role in limiting and anti-falling after the puncture is completed.
Referring to fig. 4, in an alternative embodiment of the present invention, the needle cover 70 includes a cover body 110 having a recess 100 centrally provided therein, a needle tube fixing post 120 is provided in the recess 100 of the cover body 110, the inner needle tube 60 is provided on the needle tube fixing post 120, and an outer diameter of the needle tube fixing post 120 is smaller than an inner diameter of the inlet 80 of the control valve 30; an internal thread is provided on the inner wall of the cover 110, an external thread matched with the internal thread is provided on the inlet 80 of the control valve 30, and the cover 110 is in threaded connection with the inlet 80 of the control valve 30. In the present embodiment, since the outer diameter of the needle fixing post 120 is smaller than the inner diameter of the inlet 80 of the control valve 30, the needle fixing post 120 can be received in the inlet 80 after the cap 110 and the inlet 80 are screw-coupled.
Referring to fig. 4, in an alternative embodiment of the present invention, the outer wall of the cover 110 is provided with anti-slip patterns 130 for facilitating the rotation of the cover 110. In this embodiment, the anti-skid patterns 130 may be a plurality of sliding grooves engraved on the cover 110, and the sliding grooves may be arranged in parallel or may be crossed to form a net shape, which may be selected according to actual requirements.
Referring to fig. 5 and 6, in an alternative embodiment of the present invention, the control valve 30 includes a valve body 140, and a valve core 150 rotatably coupled to the valve body 140; the inlet 80 and the outlet 40 of the control valve 30 are symmetrically arranged on the valve body 140, and a connecting line between the inlet 80 and the outlet 40 is perpendicular to the valve core 150; the spool 150 is provided with a flow passage 160 for communicating the inlet port 80 and the outlet port 40 when the control valve 30 is in the open state.
In an alternative embodiment of the present invention, the spacing between any two adjacent limit clips 90 is 3-5mm. For example, the interval between any two adjacent limit cards 90 may be 4mm, so that the adjacent two limit cards 90 are not too close to each other, resulting in poorer limit effect, and meanwhile, the requirement on depth limiting precision in the operation process can be met.
Referring to fig. 5 and 6, in an alternative embodiment of the present invention, a rotary handle 170 is provided on the valve core 150 located outside the valve body 140. In this embodiment, the axis of the rotary handle 170 is perpendicular to the axial direction of the valve core 150, thereby facilitating the pulling of the rotary handle 170.
Referring to fig. 5 and 6, in an alternative embodiment of the present invention, a support rod 180 for limiting the rotation angle of the valve core 150 in cooperation with the valve body 140 is further provided on the valve core 150 located outside the valve body 140, a fan-shaped limiting groove for limiting the rotation angle of the valve core 150 is provided on the valve body 140, and the support rod 180 and the rotating handle 170 are located on the same side of the valve core 150. In this embodiment, the axial direction of the abutment 180 is also perpendicular to the axial direction of the valve core 150 and parallel to the axial direction of the rotating handle 170, and the direction of the flow channel 160 is perpendicular to the axial direction of the rotating handle 170, so that the current direction of the flow channel 160 can be known conveniently by the current direction of the rotating handle 170.
Referring to fig. 7, in an alternative embodiment of the present invention, the end of the outer needle cannula 50 remote from the control valve 30 is a flat head 190, the end of the inner needle cannula 60 remote from the needle cover 70 is a pointed tip 200, and the pointed tip 200 is disposed to expose the outer needle cannula 50 when the needle cover 70 and the inlet 80 of the control valve 30 are screwed together. In this embodiment, when the needle cover 70 and the inlet 80 of the control valve 30 are screwed together, the tip 200 is exposed from the outer needle tube 50, so that the puncturing operation of the puncture needle can be facilitated during use.
In summary, the present invention provides a puncture needle, including an outer needle assembly and an inner needle assembly, wherein the outer needle assembly includes a control valve, and an outer needle tube connected to an outlet of the control valve; the inner needle assembly comprises an inner needle tube and a needle cover connected with the inner needle tube; the outer diameter of the inner needle tube is smaller than the inner diameter of the outer needle tube, the inner needle tube is inserted into the outer needle tube and is in threaded connection with an inlet of the control valve through the needle cover, and a limit clamp used for preventing the outer needle tube from falling off from a puncture part after puncture is arranged on the outer wall of one end of the outer needle tube, which is far away from the control valve. According to the puncture needle, puncture is realized through the inner needle assembly, the inner needle assembly is taken down after the puncture is finished, liquid is injected into the intervertebral space through the outer needle assembly to realize hydraulic expansion of the intervertebral space, and as the limiting clamp is arranged on the outer needle assembly, a puncture opening can be closed after the puncture, gradual deep puncture is realized, the puncture needle is not easy to fall off, the use amount of tools in the spine slippage operation is reduced, and the operation efficiency is improved.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that the invention is not limited to the particular embodiments described, but can be modified and altered by persons skilled in the art without departing from the spirit and scope of the invention.
Claims (4)
1. A puncture needle for the propping-up, slipping and resetting of the spine slipping and the vertebral column of the intervertebral space collapse type, which comprises an outer needle component and an inner needle component, and is characterized in that the outer needle component comprises a control valve and an outer needle tube connected with an outlet of the control valve; the inner needle assembly comprises an inner needle tube and a needle cover connected with the inner needle tube; the outer diameter of the inner needle tube is smaller than the inner diameter of the outer needle tube, the inner needle tube is inserted into the outer needle tube and is in threaded connection with the inlet of the control valve through the needle cover, and a limit clamp for preventing the outer needle tube from falling off from a puncture part after puncture is arranged on the outer wall of one end of the outer needle tube, which is far away from the control valve;
the limiting clamps are arranged on the outer needle tube at intervals, the shape of the limiting clamps is a round table shape, the round table shape comprises an upper bottom surface and a lower bottom surface, the area of the lower bottom surface is larger than that of the upper bottom surface, and the lower bottom surface of the round table shape faces the control valve;
the needle cover comprises a cover body with a groove in the center, a needle tube fixing column is arranged in the groove of the cover body, the inner needle tube is arranged on the needle tube fixing column, and the outer diameter of the needle tube fixing column is smaller than the inner diameter of the inlet of the control valve; an inner thread is arranged on the inner wall of the cover body, an outer thread matched with the inner thread is arranged on the inlet of the control valve, and the cover body is in threaded connection with the inlet of the control valve;
the control valve comprises a valve body and a valve core rotationally connected with the valve body; the inlet and the outlet of the control valve are symmetrically arranged on the valve body, and a connecting line between the inlet and the outlet is perpendicular to the valve core; the valve core is provided with a flow passage for communicating the inlet and the outlet when the control valve is in an open state;
the end, far away from the control valve, of the outer needle tube is a flat head, the end, far away from the needle cover, of the inner needle tube is a pointed end, and when the needle cover and the inlet of the control valve are connected together through threads, the pointed end is exposed out of the outer needle tube for arrangement;
the valve core positioned outside the valve body is also provided with a supporting rod which is matched with the valve body to limit the rotation angle of the valve core;
accurately placing the outer needle assembly into an intervertebral space by utilizing the sharpness and rigidity of the inner needle assembly, taking down the inner needle assembly after reaching a preset position, then connecting a pressure pump or an injector on an inlet of the control valve, injecting physiological saline into the intervertebral space by the pressure pump or the injector, generating a hydraulic effect in a cystic space formed by complete fibrous rings and posterior longitudinal ligaments, enabling vertebral bodies on two sides of the intervertebral space to be stressed uniformly, and limiting the outer needle assembly between the fibrous rings and the posterior longitudinal ligaments by utilizing the limiting clamp so as to prevent the outer needle assembly from exiting the intervertebral space due to overlarge pressure; after the physiological saline is injected into the intervertebral space by the puncture needle, the hydraulic pressure has acting force on vertebral bodies at two sides of the space in the intervertebral space and simultaneously generates pushing force parallel to the reset direction on the complete fibrous ring and the posterior longitudinal ligament.
2. The needle for intervertebral disc distraction reduction of the intervertebral space collapse type according to claim 1, wherein the outer wall of the cap is provided with anti-slip threads for facilitating the rotation of the cap.
3. The needle for intervertebral disc distraction reduction of the intervertebral space collapse type according to claim 1, wherein the interval between any two adjacent limit clips is 3-5mm.
4. The needle for intervertebral disc distraction reduction of the intervertebral disc space collapse type according to claim 1, wherein a rotating handle is provided on the valve core outside the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335104.4A CN113974795B (en) | 2021-11-11 | 2021-11-11 | Puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111335104.4A CN113974795B (en) | 2021-11-11 | 2021-11-11 | Puncture needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113974795A CN113974795A (en) | 2022-01-28 |
| CN113974795B true CN113974795B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111335104.4A Active CN113974795B (en) | 2021-11-11 | 2021-11-11 | Puncture needle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201005763Y (en) * | 2007-03-21 | 2008-01-16 | 李青 | Self-tapping puncture needle for centrum forming operation |
| CN211433191U (en) * | 2019-10-25 | 2020-09-08 | 广西美盾立医疗科技有限公司 | Bone awl for orthopedic minimally invasive intervention |
| KR20210011635A (en) * | 2019-07-23 | 2021-02-02 | 오인수 | Bone cement infusion device for percutaneous vertebroplasty |
| CN112842486A (en) * | 2021-01-26 | 2021-05-28 | 北京大学深圳医院 | Percutaneous injecting device for stem cells in intervertebral disc |
| CN213372352U (en) * | 2020-06-15 | 2021-06-08 | 江苏省肿瘤医院 | PICC puts a tub subcutaneous tunnel needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8518087B2 (en) * | 2011-03-10 | 2013-08-27 | Interventional Spine, Inc. | Method and apparatus for minimally invasive insertion of intervertebral implants |
-
2021
- 2021-11-11 CN CN202111335104.4A patent/CN113974795B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201005763Y (en) * | 2007-03-21 | 2008-01-16 | 李青 | Self-tapping puncture needle for centrum forming operation |
| KR20210011635A (en) * | 2019-07-23 | 2021-02-02 | 오인수 | Bone cement infusion device for percutaneous vertebroplasty |
| CN211433191U (en) * | 2019-10-25 | 2020-09-08 | 广西美盾立医疗科技有限公司 | Bone awl for orthopedic minimally invasive intervention |
| CN213372352U (en) * | 2020-06-15 | 2021-06-08 | 江苏省肿瘤医院 | PICC puts a tub subcutaneous tunnel needle |
| CN112842486A (en) * | 2021-01-26 | 2021-05-28 | 北京大学深圳医院 | Percutaneous injecting device for stem cells in intervertebral disc |
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| Publication number | Publication date |
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| CN113974795A (en) | 2022-01-28 |
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