CN114081572B - Blood vessel closing needle - Google Patents
Blood vessel closing needle Download PDFInfo
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- CN114081572B CN114081572B CN202210063779.6A CN202210063779A CN114081572B CN 114081572 B CN114081572 B CN 114081572B CN 202210063779 A CN202210063779 A CN 202210063779A CN 114081572 B CN114081572 B CN 114081572B
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- needle
- radian
- straight
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- tube
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
Abstract
The invention discloses a vascular occlusion needle, and relates to the technical field of medical instruments. The blood vessel closing needle comprises a needle tube assembly, a straight needle and a closing line, wherein the needle tube assembly is provided with a U-shaped arc-shaped section, and the arc-shaped section can bypass a blood vessel from the outside; the straight needle can penetrate through one end of the arc-shaped section and penetrate out of the other end of the arc-shaped section; the closing line is connected with the straight-bar needle, and the straight-bar needle can drive the closing line to penetrate out of the needle tube assembly. The U-shaped arc section enables the direction of the needle tube assembly to rotate 180 degrees, and after the straight needle penetrates into the needle tube assembly from one end of the arc section and penetrates out from the other end of the arc section, the direction of the straight needle rotates 180 degrees. When the blood vessel puncture preventing device is used, the arc-shaped section bypasses the blood vessel from the outside, then the straight-bar needle connected with the closed line penetrates out of the needle tube assembly to bypass the closed line around the blood vessel, and finally the straight-bar needle and the needle tube assembly are removed and the closed line is knotted and tensioned.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a vascular occlusion needle.
Background
In clinical medicine, hepatobiliary surgery requires precise positioning of the liver segment boundary for performing a liver segment resection, which has many blood vessels in the liver, such as the portal vein. If the important portal vein is cut off during the operation, the medical accident that the patient is dead or even the hemorrhage is caused can be caused. Therefore, the doctor needs to close the portal vein first to prevent the blood vessel from bleeding when the liver is cut off. At present, a device capable of closing blood vessels is used in clinic to close the blood vessels in the liver, and the blood vessel closing needle in the prior art is inconvenient to operate when crossing portal blood vessels in the liver due to the U-shaped design of the needle head, and the risk that the needle head contacts the blood vessels during operation is high, so that the blood vessels are possibly damaged, and further medical accidents such as heavy bleeding occur.
Disclosure of Invention
The invention aims to provide a blood vessel closing needle which can draw a closing line to cross portal vein blood vessels in the liver, realize blood vessel closing, is simple and convenient to operate and can avoid blood vessel damage.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vascular closure needle, comprising:
the needle tube assembly is provided with a U-shaped arc-shaped section, and the arc-shaped section can bypass a blood vessel from the outside;
the straight-bar needle can penetrate through one end of the arc-shaped section and penetrate out of the other end of the arc-shaped section;
the closing line is connected with the straight rod needle, and the straight rod needle can drive the closing line to penetrate out of the needle tube assembly.
Optionally, the needle tubing subassembly includes first radian needle tubing, second radian needle tubing and third radian needle tubing, the second radian needle tubing is worn to locate first radian needle tubing, the third radian needle tubing is worn to locate the second radian needle tubing, the straight-bar needle is worn to locate the third radian needle tubing, first radian needle tubing second radian needle tubing with the third radian needle tubing forms the segmental arc.
Optionally, first radian needle tubing includes interconnect's first straight tube portion and first radian portion, second radian needle tubing includes interconnect's second straight tube portion and second radian portion, third radian needle tubing includes interconnect's third straight tube portion and third radian portion, second radian portion can be followed first radian portion stretches out, third radian portion can be followed second radian portion stretches out, first radian portion second radian portion with third radian portion forms the segmental arc.
Optionally, the central angle of the first arc portion is 64 ° and the tangent angle with the first straight tube portion is 32 °;
and/or the wall thickness of the first radian needle tube is 0.1 mm.
Optionally, the central angle of the second arc portion is 141 ° and the cut angle with the second straight tube portion is 70 °;
and/or the wall thickness of the second radian needle tube is 0.1 mm.
Optionally, the central angle of the third arc portion is 180 ° and the cut angle with the third straight tube portion is 90 °;
and/or the wall thickness of the needle tube with the third radian is 0.1 mm.
Optionally, the first radian needle tube, the second radian needle tube and the third radian needle tube are all made of elastic materials.
Optionally, the elastic material is nitinol or 65Mn spring steel.
Optionally, the needle tubing assembly further comprises a straight needle tubing, and the first radian needle tubing is arranged through the straight needle tubing.
Optionally, one end of the straight needle is provided with a tip end, the other end of the straight needle is provided with a thread hole, and the closed thread penetrates through the thread hole;
and/or the straight rod needle is made of an elastic material, and the elastic material is nickel-titanium alloy or 65Mn spring steel.
The invention has the beneficial effects that: the blood vessel closing needle provided by the invention comprises a needle tube component, a straight needle connected with a closing line and a U-shaped arc section of the needle tube component, wherein the U-shaped arc section of the needle tube component can bypass a blood vessel from the outside, and the straight needle can drive the closing line to penetrate out of the needle tube component. When using, at first bypass the blood vessel with the arc section of needle tubing subassembly from the outside earlier, then wear out the straight-bar needle that will be connected with the closing line from the needle tubing subassembly and can bypass the blood vessel with the closing line, remove straight-bar needle and needle tubing subassembly next, tie a knot the tensioning with the closing line at last and can close the blood vessel, easy operation is convenient, and straight-bar needle can not the direct contact blood vessel when bypassing the blood vessel, can avoid puncturing the blood vessel, has reduced patient's misery.
Drawings
FIG. 1 is a schematic structural view of a vascular occlusion needle provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a first arc needle cannula of a vascular occlusion needle provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second arc needle cannula of a vascular occlusion needle provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural view of a third arc needle cannula of a vascular occlusion needle provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural view of a straight needle of the blood vessel closing needle provided by the embodiment of the invention;
FIG. 6 is a cross-sectional view taken in the direction A-A of FIG. 5;
FIG. 7 is a schematic view of the straight needle cannula and the first arcuate needle cannula of the vascular occlusion needle in cooperation according to an embodiment of the present invention;
FIG. 8 is a schematic view of the straight needle cannula, the first curved needle cannula and the second curved needle cannula of the vascular occlusion needle in cooperation with one another according to an embodiment of the present invention;
FIG. 9 is a first schematic view of the structure of the blood vessel closing needle and the blood vessel matching provided by the embodiment of the invention;
FIG. 10 is a second schematic structural view of the blood vessel closing needle and the blood vessel provided by the embodiment of the present invention;
FIG. 11 is a schematic view of a blood vessel bypass configuration of a line of closure of a vascular closure needle provided in accordance with an embodiment of the present invention;
fig. 12 is a structural diagram of the closing line of the blood vessel closing needle for closing the blood vessel provided by the embodiment of the invention.
In the figure:
1-closed line; 2-straight needle tube; 3-a needle tube with a first radian; 31-a first camber portion; 4-a second radian needle tube; 41-a second arc portion; 5-a third radian needle tube; 51-a third arc; 6-straight needle bar; a 61-wire hole; 7-blood vessels.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 12, the blood vessel closing needle comprises a needle tube assembly provided with an arc-shaped section of a U-shape capable of externally bypassing a blood vessel 7, a straight needle 6, and a closing wire 1; the straight needle 6 can penetrate through one end of the arc-shaped section and penetrate out of the other end of the arc-shaped section; the closing line 1 is connected with the straight-bar needle 6, and the straight-bar needle 6 can drive the closing line 1 to penetrate out of the needle tube assembly. It will be appreciated that the needle assembly is provided with a U-shaped arcuate section which causes the direction of the needle assembly to be rotated through 180 °, and that the direction of the straight needle 6 will also be rotated through 180 ° after the straight needle 6 has been inserted into the needle assembly from one end of the arcuate section and passed out of the other end. This blood vessel closed needle is when using, at first bypass blood vessel 7 from the outside with the arc section of needle tubing subassembly earlier, then wear out from the needle tubing subassembly with the straight-bar needle 6 that is connected with closing line 1 and can bypass blood vessel 7 with closing line 1, then remove straight-bar needle 6 and needle tubing subassembly, tie a knot at last closing line 1 and take turns to the tautly can close blood vessel 7, and easy operation is convenient, and straight-bar needle 6 can not direct contact blood vessel 7 when bypassing blood vessel 7, can avoid puncturing blood vessel 7, patient's misery has been reduced.
In this embodiment, the blood vessel 7 is a portal vein blood vessel in the liver, and in other embodiments, the blood vessel closing needle can be used in other operations requiring blood vessel closing.
Specifically, the straight needle 6 is made of an elastic material, and the elastic material is nickel-titanium alloy or 65Mn spring steel. It can be understood that, because the straight-bar needle 6 needs to pass through the needle tube assembly, the needle tube assembly is provided with the arc-shaped section, and the straight-bar needle 6 adopts the elastic material so that the straight-bar needle 6 deforms along with the radian of the arc-shaped section, thereby ensuring that the straight-bar needle 6 can smoothly pass through the needle tube assembly. Meanwhile, the nickel-titanium alloy has the advantages of abrasion resistance, corrosion resistance, high damping and superelasticity, and is very suitable for the field of medical instruments; the 65Mn spring steel also has good wear resistance and elasticity, and the use of the materials further prolongs the service life of the straight-bar needle 6. In other embodiments, other types of elastic materials can be used for the straight needle 6.
Alternatively, as shown in fig. 5 and 6, one end of the straight needle 6 is provided with a tip and the other end is provided with a string hole 61, and the closing string 1 is inserted into the string hole 61. It can be understood that, before the blood vessel closing needle is used, the closing line 1 can be firstly penetrated into the line hole 61, and when the blood vessel closing needle is used, the straight needle 6 directly penetrates through the needle tube component to drive the closing line 1 to penetrate through the needle tube component, so that the blood vessel 7 can be bypassed, the operation steps in the operation are reduced, and the operation time is saved. As for the size of the string hole 61, it can be set adaptively according to the thickness of the closing string 1, and it is only necessary to ensure that the closing string 1 can be passed conveniently.
Optionally, as shown in fig. 1-4, the needle tube assembly includes a first radian needle tube 3, a second radian needle tube 4 and a third radian needle tube 5, the second radian needle tube 4 is inserted into the first radian needle tube 3, the third radian needle tube 5 is inserted into the second radian needle tube 4, the straight needle 6 is inserted into the third radian needle tube 5, and the first radian needle tube 3, the second radian needle tube 4 and the third radian needle tube 5 form an arc-shaped section. It can be understood that the first radian needle tube 3, the second radian needle tube 4 and the third radian needle tube 5 are nested step by step to form a U-shaped arc section, when the blood vessel bypass device is used, the first radian needle tube 3 is firstly put in, then the second radian needle tube 4 is penetrated in the first radian needle tube 3, then the third radian needle tube 5 is penetrated in the second radian needle tube 4, so that the needle tube assembly can bypass the blood vessel 7, and finally the straight rod needle 6 penetrates through the third radian needle tube 5, so that the closing line 1 can penetrate through one end of the needle tube assembly and the other end to bypass the blood vessel 7. The needle cannula assembly is arranged in a stepwise nested configuration to facilitate the needle cannula assembly to bypass the blood vessel 7.
Optionally, the first radian needle tube 3 comprises a first straight tube portion and a first radian needle tube 31 which are connected with each other, the second radian needle tube 4 comprises a second straight tube portion and a second radian needle tube 41 which are connected with each other, the third radian needle tube 5 comprises a third straight tube portion and a third radian needle tube 51 which are connected with each other, the second radian needle tube 41 can extend from the first radian tube 31, the third radian needle tube 51 can extend from the second radian tube 41, and the first radian tube 31, the second radian tube 41 and the third radian needle tube 51 form an arc section. It will be appreciated that, in use, the first curved needle cannula 3 is first inserted into one side of the blood vessel 7, with the first straight cannula portion positioned on one side of the blood vessel 7, the first curved portion 31 extends into the bottom of the blood vessel 7 along an arc, then, the second arc degree needle tube 4 is extended from one end of the first straight tube part until the second arc degree part 41 is extended from the first arc degree part 31, at this time, the second arcuate section 41 has already passed around most of the blood vessel 7, and then the third arcuate needle cannula 5 is inserted through the second arcuate needle cannula 4 until the third arcuate section 51 extends from the second arcuate section 41, at which point the third arcuate section 51 completely passes around the blood vessel 7, i.e. the arc segment is composed of three arcs of the first arc part 31, the second arc part 41 and the third arc part 51, the arrangement and the operation can ensure that the needle tube assembly avoids touching the blood vessel 7 when bypassing the blood vessel 7, thereby avoiding the damage of the blood vessel 7.
In this embodiment, the lengths of the third straight pipe portion, the second straight pipe portion and the first straight pipe portion are sequentially increased, and the lengths are such that when the second curvature portion 41 penetrates out of the first curvature portion 31, the free end of the second straight pipe portion is located outside the first straight pipe portion, and when the third curvature portion 51 penetrates out of the second curvature portion 41, the free end of the third straight pipe portion is located outside the second straight pipe portion. The above arrangement can ensure that the needle tube assembly is convenient to operate when bypassing the blood vessel 7, and as for the specific length value, the needle tube assembly can be adaptively arranged according to the difference of the position of the blood vessel 7 and the difference of the depth in the human body.
Optionally, the first curved needle tube 3, the second curved needle tube 4 and the third curved needle tube 5 are all made of elastic materials. It will be appreciated that the use of elastomeric material facilitates the deformation of the curved needle cannula and thus the penetration of the second curved needle cannula 4 from the first curved needle cannula 3 and the penetration of the third curved needle cannula 5 from the second curved needle cannula 4. Preferably, the resilient material is nitinol or 65Mn spring steel. In other embodiments, other types of resilient materials may be used.
Optionally, the central angle a of the first arc portion 31 is 64 ° and the tangential angle b with the first straight tube portion is 32 °; the central angle d of the second arc portion 41 is 141 ° and the tangent angle e with the second straight tube portion is 70 °; the central angle j of the third arcuate portion 51 is 180 ° and the tangent angle g to the third straight tube portion is 90 °. It will be appreciated that the first arcuate portion 31 is approximately one-sixth of a circular arc, the second arcuate portion 41 is approximately one-third of a circular arc, and the third arcuate portion 51 is a semi-circular arc, the arrangement of the central and cut angles being such as to facilitate the passage of the second arcuate portion 41 through the first arcuate portion 31 and the passage of the third arcuate portion 51 through the second arcuate portion 41, with the arrangement of the three arcs facilitating the passage of the needle assembly externally around the blood vessel 7 during operation. In other embodiments, the central angles of the first curvature portion 31, the second curvature portion 41 and the third curvature portion 51 and the cutting angles between the central angles and the straight pipe portions can be adjusted according to different adaptability of actual use requirements, and the number of the curvature pipes can also be increased adaptively, that is, the arc-shaped section can be composed of four arcs or five arcs. It can be known that the larger the number of the arc tubes, the more convenient the needle tube assembly bypasses the blood vessel 7, but at the same time, the operation is complicated, and the time for closing the blood vessel 7 is increased.
In this embodiment, the wall thickness of first radian needle tubing 3, second radian needle tubing 4 and third radian needle tubing 5 is 0.1mm, and the internal diameter of first radian needle tubing 3 is greater than the external diameter of second radian needle tubing 4, and the internal diameter of second radian needle tubing 4 is greater than the external diameter of third radian needle tubing 5 to can nest step by step between the radian needle tubing. The specific values of the inner diameter and the outer diameter are not limited herein, and can be adaptively selected according to actual needs. In other embodiments, the wall thicknesses of the first arc needle tube 3, the second arc needle tube 4 and the third arc needle tube 5 can be other values, and the wall thicknesses of the three needle tubes can be different.
Optionally, as shown in fig. 1 and 7, the needle tube assembly further comprises a straight needle tube 2, and the first arc needle tube 3 is arranged through the straight needle tube 2. It will be appreciated that the straight needle tube 2 may be used as a basic positioning needle tube, and in use, the straight needle tube 2 is implanted from the side of the blood vessel 7, and then the first arc-shaped needle tube 3 is passed through the straight needle tube 2 until the first arc-shaped portion 31 is passed out. In this embodiment, the inner diameter of the straight needle tube 2 is larger than the outer diameter of the first arc needle tube 3 and the length thereof is smaller than the length of the first straight tube part, so as to facilitate the operation. In other embodiments, the straight needle tube 2 may not be used according to different choices of actual use conditions.
As shown in figures 7-12, when the blood vessel closing needle is used, firstly, a straight needle tube 2 is placed at the side of a blood vessel 7, and then a first radian needle tube 3 is inserted into the inner cavity of the straight needle tube 2 until a first radian needle tube 31 of the first radian needle tube 3 completely penetrates out; then the second radian needle tube 4 penetrates out of the inner cavity of the first radian needle tube 3 until the second straight tube part is positioned at the joint of the first straight tube part and the first radian part 31, at the moment, the second radian part 41 can penetrate out of the first radian part 31, and at the moment, the whole needle tube assembly partially spans over the blood vessel 7; then, a third radian needle tube 5 is penetrated from the inner cavity of the second radian needle tube 4 until a third straight tube part of the third radian needle tube 5 is positioned at the joint of the second straight tube part and the second radian part 41, at the moment, the third radian part 51 can penetrate out from the second radian part 41, and at the moment, the needle tube assembly completely bypasses the blood vessel 7; then, the straight needle 6 connected with the closed line 1 penetrates out of the third radian needle tube 5, so that the closed line 1 can be rotated by 180 degrees to completely cross the blood vessel 7, and the tail end part of the closed line 1 is arranged to be exposed out of the free end of the third straight tube part; and finally, sequentially withdrawing the third radian needle tube 5, the second radian needle tube 4 and the first radian needle tube 3 according to the last-in first-out sequence, and finally withdrawing the straight needle tube 2, only remaining the closing line 1, and tying and tensioning the closing line 1 to close the blood vessel 7. The blood vessel closing needle can cross the blood vessel 7 for closing without puncturing the blood vessel 7, so as to prevent bleeding and reduce the pain of patients.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A vascular closure needle, comprising:
the needle tube assembly is provided with a U-shaped arc-shaped section, and the arc-shaped section can bypass a blood vessel from the outside;
the straight-bar needle can penetrate through one end of the arc-shaped section and penetrate out of the other end of the arc-shaped section;
the needle tube assembly comprises a first radian needle tube, a second radian needle tube and a third radian needle tube, the second radian needle tube is arranged in the first radian needle tube in a penetrating mode, the third radian needle tube is arranged in the second radian needle tube in a penetrating mode, the straight rod needle is arranged in the third radian needle tube in a penetrating mode, and the first radian needle tube, the second radian needle tube and the third radian needle tube form the arc-shaped section; the first radian needle tube comprises a first straight tube part and a first radian part which are connected with each other, the second radian needle tube comprises a second straight tube part and a second radian part which are connected with each other, the third radian needle tube comprises a third straight tube part and a third radian part which are connected with each other, the second radian part can extend out of the first radian part, the third radian part can extend out of the second radian part, and the first radian part, the second radian part and the third radian part form the arc section; the central angle of the first arc part is 64 degrees, and the tangent angle between the first arc part and the first straight pipe part is 32 degrees; the central angle of the second arc part is 141 degrees, and the tangent angle between the second arc part and the second straight pipe part is 70 degrees; the central angle of the third arc part is 180 degrees, and the tangent angle between the third arc part and the third straight pipe part is 90 degrees;
the closing line is connected with the straight rod needle, and the straight rod needle can drive the closing line to penetrate out of the needle tube assembly.
2. The vasculature closure needle of claim 1, wherein the first arc needle cannula has a wall thickness of 0.1 mm.
3. The vasculature closure needle of claim 1, wherein the second arcuate needle cannula has a wall thickness of 0.1 mm.
4. The vasculature closure needle of claim 1, wherein the third arc needle cannula has a wall thickness of 0.1 mm.
5. The vasculature closure needle of claim 1, wherein the first curved needle cannula, the second curved needle cannula, and the third curved needle cannula are all made of a resilient material.
6. The vasculature closure needle of claim 5, wherein the elastic material is nitinol or 65Mn spring steel.
7. The vasculature closure needle of claim 1, wherein the needle cannula assembly further comprises a straight needle cannula, the first arcuate needle cannula being disposed through the straight needle cannula.
8. The blood vessel closing needle according to any one of claims 1 to 7, wherein one end of the straight needle is provided with a tip and the other end is provided with a thread hole, and the closing thread is arranged in the thread hole in a penetrating way;
and/or the straight rod needle is made of an elastic material, and the elastic material is nickel-titanium alloy or 65Mn spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210063779.6A CN114081572B (en) | 2022-01-20 | 2022-01-20 | Blood vessel closing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210063779.6A CN114081572B (en) | 2022-01-20 | 2022-01-20 | Blood vessel closing needle |
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| Publication Number | Publication Date |
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| CN114081572A CN114081572A (en) | 2022-02-25 |
| CN114081572B true CN114081572B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210063779.6A Active CN114081572B (en) | 2022-01-20 | 2022-01-20 | Blood vessel closing needle |
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| CN102512218A (en) * | 2011-12-31 | 2012-06-27 | 上海交通大学 | Controllable self-bending suture needle |
| CN102648865A (en) * | 2011-02-25 | 2012-08-29 | 张玉川 | Needle unit |
| JP2014008097A (en) * | 2012-06-27 | 2014-01-20 | Keisei Ika Kogyo Kk | Suture needle |
| CN205458856U (en) * | 2016-03-10 | 2016-08-17 | 成都金淮小针刀技术研究所 | Closed needle of disposable wicresoft's blood vessel |
| CN205697894U (en) * | 2016-04-14 | 2016-11-23 | 凌宇 | Vascular ligation threading apparatus |
| CN207253352U (en) * | 2017-01-17 | 2018-04-20 | 无锡市人民医院 | Blood vessel snare pin |
| CN109875623A (en) * | 2019-03-28 | 2019-06-14 | 张伟 | A kind of medical needle |
| CN109953796A (en) * | 2019-03-28 | 2019-07-02 | 张伟 | Needle is used in a kind of blocking |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204049772U (en) * | 2014-08-08 | 2014-12-31 | 林金淮 | Multifunctional needle knife |
| CN205988342U (en) * | 2016-07-11 | 2017-03-01 | 皖南医学院 | A kind of arterial cannulation assembly |
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2022
- 2022-01-20 CN CN202210063779.6A patent/CN114081572B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102648865A (en) * | 2011-02-25 | 2012-08-29 | 张玉川 | Needle unit |
| CN102512218A (en) * | 2011-12-31 | 2012-06-27 | 上海交通大学 | Controllable self-bending suture needle |
| JP2014008097A (en) * | 2012-06-27 | 2014-01-20 | Keisei Ika Kogyo Kk | Suture needle |
| CN205458856U (en) * | 2016-03-10 | 2016-08-17 | 成都金淮小针刀技术研究所 | Closed needle of disposable wicresoft's blood vessel |
| CN205697894U (en) * | 2016-04-14 | 2016-11-23 | 凌宇 | Vascular ligation threading apparatus |
| CN207253352U (en) * | 2017-01-17 | 2018-04-20 | 无锡市人民医院 | Blood vessel snare pin |
| CN109875623A (en) * | 2019-03-28 | 2019-06-14 | 张伟 | A kind of medical needle |
| CN109953796A (en) * | 2019-03-28 | 2019-07-02 | 张伟 | Needle is used in a kind of blocking |
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| Publication number | Publication date |
|---|---|
| CN114081572A (en) | 2022-02-25 |
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