CN213098187U - Medical puncture trocar with thread - Google Patents
Medical puncture trocar with thread Download PDFInfo
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- CN213098187U CN213098187U CN202020885216.1U CN202020885216U CN213098187U CN 213098187 U CN213098187 U CN 213098187U CN 202020885216 U CN202020885216 U CN 202020885216U CN 213098187 U CN213098187 U CN 213098187U
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Abstract
The utility model relates to the technical field of surgical instruments, a medical area line puncture trocar is disclosed, including the outer tube, the needle tubing, interior sleeve pipe and send the line tube core, be equipped with the entrance hole that two bilateral symmetry set up on the outer tube, the bottom of outer tube is connected with the top of needle tubing, interior sleeve pipe slidable ground sets up in the inside of outer tube, interior sheathed tube top is equipped with the button, be connected with elastic construction between the bottom of button and the interior sheathed tube inside bottom, send line tube core slidable ground to wear to establish in the needle tubing, send the top of line tube core and be connected with interior sheathed tube bottom, send the bottom of line tube core to be equipped with elastic fixture. It is thus clear, adopt the utility model has the advantages of the flexible operation is convenient, and the puncture resistance is little, and the puncture degree of difficulty is low, and the security is high.
Description
Technical Field
The utility model relates to the technical field of surgical instruments, in particular to a medical puncture trocar with a thread.
Background
With the development of medical technology, the technology of converting the traditional open surgery into the laparoscopic minimally invasive surgery for the hydrocele of tunica vaginalis and inguinal mucosa of children is quite mature, wherein the most critical step of the surgery is the high ligation of the sphingoid process, namely, the ligation is carried out by using a medical suture at the outer annular opening of the peritoneum. Almost all hospitals today perform this procedure by using a long needle or needle, passing the needle through the tube with a medical suture, pulling the two ends tight and holding them at the needle end, puncturing and ligating the unclosed inner ring.
However, the needle point of the existing puncture needle is very sharp, and the medical suture line passes through the needle point to be reversely folded, so that the medical suture line is easy to cut off; the medical suture line of the existing puncture needle is usually positioned outside the needle, the puncture resistance is large, the puncture difficulty is increased, and tissues, blood vessels, vas deferens and the like are easily damaged;
when an operator performs puncture to guide a medical suture, the operator must hold two medical suture heads and a puncture needle at the same time during operation, the operation is not flexible, the operator cannot change hands, and the medical suture is easy to loosen during operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a medical area line puncture trocar is provided, its flexible operation is convenient, and the puncture resistance is little, and the puncture degree of difficulty is low, and the security is high.
In order to solve the technical problem, the utility model provides a medical area line puncture trocar, include outer tube, needle tubing, interior sleeve pipe and send the line tube core, be equipped with the entrance hole that two bilateral symmetry set up on the outer tube, the bottom of outer tube with the top of needle tubing is connected, interior sleeve pipe slidable ground sets up the inside of outer tube, interior sheathed tube top is equipped with the button, the bottom of button with be connected with elastic construction between the inside bottom of interior sleeve pipe, send line tube core slidable ground to wear to establish in the needle tubing, send the top of line tube core with interior sheathed tube bottom is connected, the bottom of sending the line tube core is equipped with the elastic fixture.
As the utility model discloses preferred scheme, work as the elastic fixture is located when the syringe needle is intraductal, the elastic fixture is closed state, works as the elastic fixture stretch out to when the syringe needle is outside, the elastic fixture is open state.
As the utility model discloses preferred scheme, interior sheathed tube top is equipped with outside outstanding locating part, the top of outer tube be equipped with the corresponding spacing groove of locating part.
As the utility model discloses preferred scheme, the button includes control part and spacing portion, spacing portion sets up interior sheathed tube inside, the bottom of spacing portion with elastic construction connects, the control part is fixed to be set up the top of spacing portion just is located interior sheathed tube top.
As the utility model discloses preferred scheme, it is right to be equipped with on the interior sheathed tube inner wall spacing portion carries out spacing first spacing lug, spacing portion be equipped with the spacing lug of first spacing lug assorted second, first spacing lug is located the top of the spacing lug of second.
As the utility model discloses preferred scheme, the elastic fixture includes first clamping jaw and second clamping jaw, first clamping jaw with when the second clamping jaw is closed, first clamping jaw with form the through wires hole that can supply the stylolite to pass between the second clamping jaw.
As the preferred scheme of the utility model, the outer tube with interior sleeve pipe is coaxial.
As the preferred proposal of the utility model, the bottom end surface of the needle tube is an inclined plane.
As a preferred embodiment of the present invention, the elastic structure is a spring.
As a preferred aspect of the present invention, the elastic clamp is made of an elastic material.
Implement the utility model discloses a medical area line puncture trocar compares with prior art, has following beneficial effect:
the utility model clamps the suture line to the inside of the needle tube through the elastic clamp, can effectively avoid the suture line from leaking outwards to increase the puncture resistance, reduce the puncture difficulty, and can effectively prevent the damage to tissues, blood vessels and vas deferens, has high safety, can effectively avoid the suture line from being folded reversely to be cut off, can ensure the smooth proceeding of the thread feeding process of the puncture needle, and is safe and effective; the utility model discloses a design can make things convenient for operating personnel one-hand operation, and the not hard up problem of stylolite also can not take place in operation in-process hand-changing operation, makes operation more nimble and simple and convenient, reduces the operation degree of difficulty. It is visible, the utility model discloses a flexible operation is convenient, and the puncture resistance is little, and the puncture degree of difficulty is low, and the security is high.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a medical threaded trocar;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
FIG. 3 is an enlarged schematic view of region B of FIG. 1;
fig. 4 is a schematic view of the elastic clip extended out of the needle cannula.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the preferred embodiment of the present invention provides a medical puncture trocar with thread, which comprises an outer sleeve 1, a needle tube 2, an inner sleeve tube 3 and a thread feeding tube core 4, wherein the outer sleeve 1 is provided with two thread feeding holes 5 arranged in bilateral symmetry, the bottom end of the outer sleeve 1 is connected with the top end of the needle tube 2, the inner sleeve tube 3 is slidably arranged inside the outer sleeve tube 1, the top of the inner sleeve tube 3 is provided with a button 6, the bottom end of the button 6 is connected with an elastic structure 7 between the bottom ends of the inner sleeve tube 3, the thread feeding tube core 4 is slidably arranged in the needle tube 2, the top end of the thread feeding tube core 4 is connected with the bottom end of the inner sleeve tube 3, and the bottom end of the thread feeding tube core 4 is provided with an. Specifically, the outer sleeve 1 is coaxial with the inner sleeve 3.
Therefore, the utility model clamps the suture line 12 to the inside of the needle tube 2 through the elastic clamp 8, can effectively avoid the suture line 12 from leaking to increase the puncture resistance, reduce the puncture difficulty, and can effectively prevent the tissue, the blood vessel and the vas deferens from being damaged, has high safety, can also effectively avoid the suture line 12 from being folded reversely and cut off, can ensure the puncture needle to send the line process to be carried out smoothly, and is safe and effective; the utility model discloses a design can make things convenient for operating personnel one-hand operation, and the not hard up problem of stylolite 12 can not take place yet in operation in-process hand-changing operation, makes operation more nimble and simple and convenient, reduces the operation degree of difficulty. It is visible, the utility model discloses a flexible operation is convenient, and the puncture resistance is little, and the puncture degree of difficulty is low, and the security is high.
Illustratively, as shown in fig. 4, when the elastic clamp 8 is located inside the needle tube 2, the elastic clamp 8 is in a closed state, and when the elastic clamp 8 extends out of the needle tube 2, the elastic clamp 8 is in an open state. Due to the design, the elastic clamp 8 is closed when positioned in the needle tube 2 and clamps and limits the suture line 12, so that the suture line 12 is effectively prevented from falling off from the elastic clamp 8 in the needle tube 2 to influence the operation effect; the elastic clamp 8 is opened when extending out of the needle tube 2 and loosens the suture line 12, so that an operator can conveniently clamp the suture line 12 by using tweezers, the operation is more rapid and convenient, the working efficiency is improved, and the smooth operation is ensured.
Illustratively, as shown in fig. 2, the top end of the inner sleeve 3 is provided with a limiting member 9 protruding outwards, and the top end of the outer sleeve 1 is provided with a limiting groove corresponding to the limiting member 9. Such design can prevent effectively that interior sleeve pipe 3 from stretching into too deeply and influencing the operation when extending in outer tube 1, makes the structure more reasonable, and it is more convenient to operate.
Exemplarily, as shown in fig. 2, the button 6 includes a control portion 61 and a position-limiting portion 62, the position-limiting portion 62 is disposed inside the inner sleeve 3, a bottom end of the position-limiting portion 62 is connected to the elastic structure 7, and the control portion 61 is fixedly disposed at a top end of the position-limiting portion 62 and located at a top portion of the inner sleeve 3; the inner wall of the inner sleeve 3 is provided with a first limiting lug 10 for limiting the limiting part 62, the limiting part 62 is provided with a second limiting lug 11 matched with the first limiting lug 10, and the first limiting lug 10 is positioned above the second limiting lug 11. Due to the design, the limit part 62 can be ensured to be always positioned in the inner sleeve 3, the limit part 62 is effectively prevented from being separated from the inner sleeve 3 due to the elasticity of the elastic structure 7, the structure is more reasonable, and the puncture needle thread feeding process is ensured to be smoothly carried out.
Illustratively, as shown in fig. 3, the elastic clamp 8 includes a first jaw 81 and a second jaw 82, and when the first jaw 81 and the second jaw 82 are closed, a threading hole 83 for passing the suture 12 is formed between the first jaw 81 and the second jaw 82. With such a design, the suture thread 12 is placed in the threading hole 83, and the suture thread 12 can be further prevented from falling off from the elastic clip 8 in the needle tube 2 and affecting the operation effect.
Exemplarily, as shown in fig. 3, the bottom end surface 21 of the needle tube 2 is an inclined surface, which can make the puncture end of the puncture needle sharper, reduce the puncture difficulty, improve the puncture efficiency, improve the puncture quality, and achieve a better puncture effect.
Illustratively, the elastic structure 7 is a spring, so that the thread feeding tube core 4 has a buffer force when being pushed out and retracted, the tissue is prevented from being damaged by impact force when the thread feeding tube core 4 is pushed out, and the safety is high.
Exemplarily, the elastic clamp 8 is made of an elastic material, and can be in a closed state when the elastic clamp 8 is located in the needle tube 2, and in an open state when the elastic clamp 8 extends out of the needle tube 2, and can prevent the elastic clamp 8 from damaging the tissue after extending out, so that the safety is high.
When the puncture needle is used, a suture 12 sequentially penetrates through the two wire inlet holes 5, the elastic clamp 8 is aligned with the suture 12 to enable the suture 12 to be placed in the threading hole 83, the wire feeding tube core 4 is inserted into the needle tube 2, wherein the elastic clamp 8 is in a closed state when being located in the needle tube 2, the inner sleeve 3 is placed in the outer sleeve 1, the limiting part 9 is matched with the limiting groove to enable the inner sleeve 3 to be limited, then the needle tube 2 is inserted to a position needing to be sutured, the button 6 is pressed down to enable the wire feeding tube core 4 to be pushed out, the elastic clamp 8 extends out, the elastic clamp 8 is in an open state when extending out of the needle tube 2, the elastic clamp 8 releases the suture 12, an operator clamps the suture 12 with tweezers, and finally releases the button 6 to enable the wire feeding tube core 4 to retract, the elastic clamp 8 to return into the needle tube 2, and the operator pulls out all.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. The utility model provides a medical area line puncture trocar, its characterized in that includes outer tube, needle tubing, interior sleeve pipe and send the line tube core, be equipped with the entrance hole that two bilateral symmetry set up on the outer tube, the bottom of outer tube with the top of needle tubing is connected, interior sleeve pipe slidable ground sets up the inside of outer tube, interior sheathed tube top is equipped with the button, the bottom of button with be connected with elastic construction between the inside bottom of interior sleeve pipe, send the line tube core slidable ground to wear to establish in the needle tubing, send the top of line tube core with interior sheathed tube bottom is connected, the bottom of sending the line tube core is equipped with elastic fixture.
2. The medical threaded trocar of claim 1, wherein the elastic clamp is closed when the elastic clamp is positioned within the needle cannula and open when the elastic clamp is extended out of the needle cannula.
3. The medical threaded trocar according to claim 1, wherein the top end of the inner cannula is provided with a stopper protruding outward, and the top end of the outer cannula is provided with a stopper groove corresponding to the stopper.
4. The medical threaded trocar according to claim 1, wherein the button comprises a control portion and a limiting portion, the limiting portion is disposed inside the inner sleeve, the bottom end of the limiting portion is connected with the elastic structure, and the control portion is fixedly disposed at the top end of the limiting portion and located at the top of the inner sleeve.
5. The medical threaded trocar according to claim 4, wherein a first limiting bump is provided on an inner wall of the inner sleeve for limiting the limiting portion, a second limiting bump is provided on the limiting portion, the second limiting bump is matched with the first limiting bump, and the first limiting bump is located above the second limiting bump.
6. The medical threaded trocar according to claim 1, wherein the elastic clamp comprises a first clamping jaw and a second clamping jaw, and when the first clamping jaw and the second clamping jaw are closed, a threading hole for a suture to pass through is formed between the first clamping jaw and the second clamping jaw.
7. The medical threaded trocar of claim 1, wherein the outer cannula is coaxial with the inner cannula.
8. The medical threaded trocar according to claim 1, wherein the bottom end surface of the needle tube is a bevel.
9. The medical threaded trocar of claim 1, wherein the resilient structure is a spring.
10. The medical threaded trocar of claim 1, wherein the resilient clip is made of an elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020885216.1U CN213098187U (en) | 2020-05-22 | 2020-05-22 | Medical puncture trocar with thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020885216.1U CN213098187U (en) | 2020-05-22 | 2020-05-22 | Medical puncture trocar with thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213098187U true CN213098187U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020885216.1U Active CN213098187U (en) | 2020-05-22 | 2020-05-22 | Medical puncture trocar with thread |
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|---|---|
| CN (1) | CN213098187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116158841A (en) * | 2023-04-26 | 2023-05-26 | 武汉金柏威光电技术有限公司 | Flexible single-action bipolar forceps and bipolar forceps with puncture function |
-
2020
- 2020-05-22 CN CN202020885216.1U patent/CN213098187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116158841A (en) * | 2023-04-26 | 2023-05-26 | 武汉金柏威光电技术有限公司 | Flexible single-action bipolar forceps and bipolar forceps with puncture function |
| CN116158841B (en) * | 2023-04-26 | 2023-07-28 | 武汉金柏威光电技术有限公司 | Flexible single-action bipolar forceps and bipolar forceps with puncture function |
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