CN216319290U

CN216319290U - Sealed double-channel injection needle with extension tube

Info

Publication number: CN216319290U
Application number: CN202122727868.XU
Authority: CN
Inventors: 张隆盛; 杨铎; 张欢楷; 魏铁钢
Original assignee: Jieyang People's Hospital
Current assignee: Jieyang People's Hospital
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-19
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a sealed double-channel injection needle with an extension pipe, which comprises a three-way pipe, the extension pipe and a needle head, wherein one end of the needle head is communicated with one end of the extension pipe, the other end of the needle head is communicated with a needle pipe, the outer end part of the needle pipe is provided with a protection plate, the surface of the protection plate is provided with a through hole for the needle pipe to penetrate through, the top of the through hole is fixed with a connecting column which is arranged in parallel with the needle pipe, the surface of the needle head is fixed with a limiting plate for the connecting column to penetrate through, two ends of the connecting column are both provided with limiting bulges, and the limiting bulges are abutted against the inner wall of the limiting plate; through the spliced pole and the guard plate of design, can protect the tip of needle tubing before the device does not use, avoid the needle tubing to expose the damage that causes, and in the use of later stage, can realize accomplishing normal work under the prerequisite that does not break away from the syringe needle, current structure compares, and the loss of guard plate can be avoided to this kind of structure, also makes things convenient for the later stage to the protection of needle tubing, is convenient for retrieve.

Description

Sealed double-channel injection needle with extension tube

Technical Field

The utility model belongs to the technical field of injection needles, and particularly relates to a sealed double-channel injection needle with an extension tube.

Background

The injection needle is the most common consumable in medical instruments, corresponding medicines are injected by penetrating corresponding tissues of a human body, so that the examination or treatment effect is achieved, the injection needle also comprises puncture needles according to the classification, wherein the puncture needles are widely used for puncture sampling biopsy or injection treatment of various tissues of organs such as lung, kidney, thyroid and the like under the guidance and positioning of imaging, and the injection needle is also applied to the field of anesthesia pain, such as nerve block or acute and chronic pain injection treatment.

Present syringe needle is before using, need get rid of the outside lag of syringe needle, use afterwards, and the lag of getting rid of is because the volume is less, cause the problem of losing to appear easily, accomplish the treatment usefulness simultaneously using, in order to retrieve and avoid the production of secondary harm, still need wear once more, and in wearing the in-process, because lag self aperture is less, difficult alignment, seriously influence work efficiency, in the connection of syringe and three-way pipe simultaneously, still can appear rocking, multiple phenomenon such as installation unstability, consequently, there is great limitation in the in-service use, space that has the advanceability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealed double-channel injection needle with an extension tube, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a take canned type binary channels syringe needle of extension pipe, includes three-way pipe, extension pipe and syringe needle, wherein the one end of syringe needle is linked together with the one end of extension pipe, and the other end intercommunication of syringe needle has a needle tubing, the outer tip of needle tubing is provided with the guard plate, the through-hole that supplies the needle tubing to run through is seted up on the surface of guard plate, the top of through-hole is fixed with the spliced pole with needle tubing parallel arrangement, the fixed surface of syringe needle has the limiting plate that supplies the spliced pole to run through, the both ends of spliced pole all are formed with spacing arch, spacing arch offsets with the inner wall of limiting plate.

Preferably, the one end top that the guard plate was kept away from to the spliced pole is fixed with the baffle, the baffle is parallel with the guard plate, and with spliced pole mutually perpendicular, the side laminating of baffle and limiting plate, and the height of baffle is greater than the height of limiting plate.

Preferably, the distance between the two limiting protrusions is equal to the length of the needle tube, and the diameter of the inner side of the through hole is equal to the outer diameter of the needle tube.

Preferably, the three-way pipe is installed at the other end of extension pipe, the top of three-way pipe and deviating from the one end of extension pipe direction all is formed with the connector, the inside of connector is the cavity form, and the inside opening part downwardly extending of connector has seted up and has placed the hole, the rubber sleeve has been placed to the inside of placing the hole, the inside diameter orientation of rubber sleeve deviates from the opening part of connector is steadilyd decrease gradually the inside of placing the hole has inserted the syringe, the end of inserting of this syringe with the inner wall of rubber sleeve offsets.

Preferably, an inner tube is screwed into the placing hole, the bottom end face of the inner tube is attached to the top end face of the rubber sleeve, and the inner diameter of the inner tube is larger than the outer diameter of the insertion end of the external syringe.

Preferably, the three-way pipe and the extension pipe are of an integrated structure, and the three-way pipe and the extension pipe are communicated with each other.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the designed connecting column and the protective plate, the end part of the needle tube can be protected before the device is not used, so that the damage caused by the exposure of the needle tube is avoided, and in the later-stage use, the normal work can be completed on the premise of not being separated from the needle head;

2. the rubber sleeve can be tightly attached to an external syringe insertion end, so that the sealing effect can be realized, the external air is prevented from entering, the syringe insertion end can be limited, and the displacement phenomenon in the injection process is avoided;

3. the combined mode of the needle head and the extension tube is more beneficial to fixing the puncture needle during puncture and accurately reaching the puncture position; the combined mode of the extension pipe and the three-way pipe is convenient for injecting the tracer to define the position and then injecting the treatment liquid medicine during puncture, so that the liquid medicine is prevented from seeping to other positions, the diffusion condition of the tracer can be displayed in real time during the guidance of ultrasonography and the like, accurate injection is achieved when the minimum liquid medicine is used, and adverse reaction caused by excessive use of the liquid medicine is avoided; the needle head, the extension pipe and the three-way pipe combined mode can be used for simultaneously connecting two medicines during operation, so that the change of the position of a puncture needle tip caused by the need of replacing an injector during the operation of using a single needle head is avoided, the leakage of injection liquid medicine or the failure of injection or the injection of air into a target position caused by the fact that the threads of the injector connected with the needle head are not close is also avoided, and the failure of puncture or the poor effect caused by non-technical factors is reduced; because clinical work is busy, syringe needle, extension pipe, tee bend compound mode are single-person operation more easily, reduce manpower resources and consume, and external member integrated into one piece becomes the compound mode and can reduce the pollution probability when external member equipment one by one.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of the connecting post and the guard plate of the present invention;

fig. 3 is an installation cross-sectional view of the coupling head, the rubber sleeve and the inner pipe of the present invention.

In the figure: 1. a connector; 2. a three-way pipe; 3. an extension tube; 4. a needle head; 5. a limiting plate; 6. connecting columns; 7. a limiting bulge; 8. a protection plate; 9. a through hole; 10. a baffle plate; 11. a rubber sleeve; 12. an inner tube; 13. placing holes; 14. a needle cannula.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a sealed double-channel injection needle with an extension tube comprises a three-way tube 2, an extension tube 3 and a needle head 4, wherein the combined mode of the needle head 4 and the extension tube 3 is more favorable for fixing a puncture needle during puncture and accurately reaching a puncture position; the combination mode of the extension pipe 3 and the three-way pipe 2 is convenient for injecting the tracer agent to define the position and then injecting the therapeutic liquid medicine during puncture, so that the liquid medicine is prevented from seeping to other positions, the diffusion condition of the tracer agent can be displayed in real time during the guidance of ultrasonography and the like, accurate injection is achieved when the minimum liquid medicine is used, and adverse reaction caused by excessive use of the liquid medicine is avoided; the combined mode of the needle head 4, the extension tube 3 and the three-way tube 2 can simultaneously connect two medicines during operation, thereby avoiding the change of the position of a puncture needle tip caused by the need of replacing an injector during the operation of using a single needle head, avoiding the leakage of injection liquid medicine or the failure of injection or the injection of air into a target position caused by the non-close thread of the injector connected with the needle head, and reducing the failure of puncture or poor effect caused by non-technical factors; because the clinical work is busy, the combined mode of the needle 4, the extension pipe 3 and the three-way pipe 2 is easier to be operated by one person, and the consumption of human resources is reduced, wherein, the pollution probability of one-by-one kit during the assembly can be reduced through the integrated forming combined mode of the needle 4, the extension pipe 3 and the three-way pipe 2, one end of the needle 4 is communicated with one end of the extension pipe 3, the other end of the needle 4 is communicated with the needle tube 14, the outer end part of the needle tube 14 is provided with the protection plate 8, the surface of the protection plate 8 is provided with the through hole 9 for the needle tube 14 to penetrate through, the top of the through hole 9 is fixed with the connecting column 6 which is arranged in parallel with the needle tube 14, through the designed connecting column 6 and the protection plate 8, the end part of the needle tube 14 can be protected before the device is not used, the damage caused by the exposure of the needle tube 14 is avoided, and in the later-period use, under the premise that the needle 4 is not separated, accomplish normal work, current structure compares, and loss of guard plate can be avoided to this kind of structure, also makes things convenient for the later stage to the protection of needle tubing 14, is convenient for retrieve, and the fixed surface of syringe needle 4 is equipped with the limiting plate 5 that supplies spliced pole 6 to run through, and the both ends of spliced pole 6 all are formed with spacing arch 7, and spacing arch 7 offsets with the inner wall of limiting plate 5.

In this embodiment, preferred, the one end top that guard plate 8 was kept away from to spliced pole 6 is fixed with baffle 10, and baffle 10 is parallel with guard plate 8, and with spliced pole 6 mutually perpendicular, the side laminating of baffle 10 and limiting plate 5, and the height that highly is greater than limiting plate 5 of baffle 10 makes things convenient for stirring in later stage.

In this embodiment, preferably, the distance between the two limiting protrusions 7 is equal to the length of the needle tube 14, so that the limiting protrusions 7 can limit the position and prompt the medical staff that the needle tube 14 is protected, and the diameter of the inner side of the through hole 9 is equal to the outer diameter of the needle tube 14.

In this embodiment, it is preferred, the other end at extension tube 3 is installed to three-way pipe 2, the top of three-way pipe 2 and the one end that deviates from extension tube 3 direction all are formed with connector 1, the inside of connector 1 is the cavity form, and the inside opening part downwardly extending at connector 1 has been seted up and has been placed hole 13, rubber sleeve 11 has been placed to the inside of placing hole 13, rubber sleeve 11 through the design, can insert the end with outside syringe and closely laminate, can enough realize sealed effect, avoid the entering of outside air, can insert the end spacingly again to the syringe, avoid the displacement phenomenon to appear in the injection process, rubber sleeve 11's inside diameter orientation deviates from connector 1's opening part and steadilys decrease gradually, the syringe has been inserted in the inside of placing hole 13, the end that this syringe offsets with the inner wall of rubber sleeve 11.

In this embodiment, preferably, the inner tube 12 is screwed into the placing hole 13 for limiting the rubber sleeve 11, a bottom end surface of the inner tube 12 is attached to a top end surface of the rubber sleeve 11, and an inner diameter of the inner tube 12 is larger than an outer diameter of the insertion end of the external syringe.

In this embodiment, preferably, the three-way pipe 2 and the extension pipe 3 are of an integral structure, and the insides of the two are also communicated.

The working principle and the using process of the utility model are as follows: when the utility model is used, the rubber sleeve 11 is firstly placed in the placing hole 13, then the inner tube 12 is screwed into the placing hole 13, during screwing, the top of the rubber sleeve 11 is positioned through the bottom of the inner tube 12, the rubber sleeve 11 is prevented from falling off from the inside of the placing hole 13, when in use, the connecting column 6 is moved towards the direction of the connector 1 by pulling the baffle plate 10, at the moment, the connecting column 6 drives the protection plate 8 to move in the same direction, at the moment, the through hole 9 on the protection plate 8 is penetrated by the needle tube 14 until the connecting column 6 presses and limits the position towards the limiting bulge 7 on the direction of the protection plate 8 and the inner wall of the limiting plate 5, the position adjustment of the connecting column 6 and the protection plate 8 is finished, at the moment, the needle tube 14 is completely exposed, the normal puncture work can be carried out, when in use, the insertion end of the external injector penetrates through the inner tube 12 and is extruded with the inner wall of the rubber sleeve 11, deformation takes place through rubber sleeve 11 and kick-backs and guarantee the leakproofness and the steadiness of junction, can carry out normal work afterwards, and after work, can push back the normal position with spliced pole 6 through baffle 10 once more, until being close to spacing arch 7 and the 5 extrusion contact of limiting plate of baffle 10 one side, needle tubing 14 just removes from the inside of through-hole 9 this moment to it is spacing to accomplish the protection of 14 tip of needle tubing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take canned type binary channels syringe needle of extension pipe, includes three-way pipe (2), extension pipe (3) and syringe needle (4), wherein the one end of syringe needle (4) is linked together with the one end of extension pipe (3), and the other end intercommunication of syringe needle (4) has needle tubing (14), its characterized in that: the outer tip of needle tubing (14) is provided with guard plate (8), through-hole (9) that supply needle tubing (14) to run through are seted up on the surface of guard plate (8), the top of through-hole (9) is fixed with spliced pole (6) with needle tubing (14) parallel arrangement, the fixed surface of syringe needle (4) has limiting plate (5) that supply spliced pole (6) to run through, the both ends of spliced pole (6) all are formed with spacing arch (7), spacing arch (7) offset with the inner wall of limiting plate (5).

2. The sealed double-channel injection needle with the extension tube according to claim 1, wherein: the one end top of guard plate (8) is kept away from in spliced pole (6) is fixed with baffle (10), baffle (10) are parallel with guard plate (8), and with spliced pole (6) mutually perpendicular, the side laminating of baffle (10) and limiting plate (5), and the height of baffle (10) is greater than the height of limiting plate (5).

3. The sealed double-channel injection needle with the extension tube according to claim 2, wherein: the distance between the two limiting bulges (7) is equal to the length of the needle tube (14), and the diameter of the inner side of the through hole (9) is equal to the outer diameter of the needle tube (14).

4. The sealed double-channel injection needle with the extension tube according to claim 1, wherein: the other end at extension pipe (3) is installed in three-way pipe (2), the top of three-way pipe (2) and deviate from the one end of extension pipe (3) direction all is formed with connector (1), the inside of connector (1) is the cavity form, just the inside opening part downwardly extending of connector (1) has seted up places hole (13), rubber sleeve (11) have been placed to the inside of placing hole (13), the inside diameter orientation of rubber sleeve (11) deviates from the opening part of connector (1) is steadilyd decrease gradually the syringe has been inserted to the inside of placing hole (13), the end of inserting of this syringe with the inner wall of rubber sleeve (11) offsets.

5. The sealed double-channel injection needle with the extension tube according to claim 4, wherein: an inner tube (12) is screwed into the placing hole (13), the bottom end face of the inner tube (12) is attached to the top end face of the rubber sleeve (11), and the inner diameter of the inner tube (12) is larger than the outer diameter of the inserting end of an external syringe.

6. The sealed double-channel injection needle with the extension tube according to claim 1, wherein: the three-way pipe (2) and the extension pipe (3) are of an integrated structure, and the interiors of the three-way pipe and the extension pipe are communicated.