CN209790588U

CN209790588U - Injection needle for endoscope

Info

Publication number: CN209790588U
Application number: CN201821862420.0U
Authority: CN
Inventors: 陈静; 何光美
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2019-12-17
Anticipated expiration: 2028-11-13

Abstract

The utility model belongs to the technical field of medical equipment, in particular to an injection needle for an endoscope, which comprises an injection needle body, wherein one end of the injection needle body is fixedly connected with a cross valve, the inner side wall of the cross valve is slidably connected with a valve core, one end of the cross valve is detachably connected with a thread buckle, one end of the thread buckle is fixedly connected with an outer tube, one end of the outer tube is fixedly connected with a needle head, and the other end of the injection needle body is slidably connected with a piston rod; make threaded rod and threaded sleeve meshing, set up the knob through the one end at the threaded rod at last, make the knob drive the threaded rod and rotate, when needs are dosed, through rotating the knob, make the knob drive the threaded rod and rotate, make the threaded rod move in threaded sleeve's inside to make the threaded rod drive the piston rod and remove, thereby reach the purpose of dosing, drive the piston rod through the threaded rod and remove, make the removal of piston rod more accurate, thereby improve its precision of dosing.

Description

Injection needle for endoscope

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to syringe needle for scope.

Background

An endoscope is a medical instrument commonly used in clinical diagnosis and treatment at present, and medical workers observe a head part and a catheter part of equipment by extending the head part and the catheter part into a patient body through an eyepiece. Meanwhile, the endoscope is also provided with auxiliary equipment, so that sampling, treatment or operation and the like can be carried out in real time during observation. Injection needles are one of the most important components in endoscopic procedures, and are used to inject medical fluids into the tissues of the lumen during the clinical procedure.

The prior art has the following problems:

1. The medical staff is inconvenient to control the dosage when pushing the piston rod, thereby being not beneficial to the healing of the focus;

2. The connecting pipeline department of syringe needle is directly connected with injection needle body for original endoscope, makes its circulation and the closure that can not the direct control pipeline, and inconvenient dismantles the pipeline from injection needle body.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a syringe needle for scope has the characteristics of the closed dismantlement of volume of dosing of being convenient for control and being convenient for control.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a syringe needle for scope, includes syringe needle body, syringe needle body's one end fixedly connected with cross valve, the inside wall sliding connection of cross valve has the case, the one end of cross valve can be dismantled and be connected with the screw thread and detain, the one end fixedly connected with outer tube that the screw thread was detained, the one end fixedly connected with syringe needle of outer tube, syringe needle body's other end sliding connection has the piston rod, the one end sliding connection of piston rod has the threaded sleeve, the threaded sleeve's inside wall meshing threaded rod, the one end fixedly connected with knob of threaded rod.

Preferably, the outer side wall of the injection needle body is fixedly connected with a connecting sleeve, and the piston rod is connected with the injection needle body through the connecting sleeve.

Preferably, a threaded seat is arranged at the joint of the cross valve and the threaded buckle, and the threaded buckle is detachably connected with the cross valve through the threaded seat.

Preferably, the thread buckle is fixedly connected with a fixing seat at the joint of the outer pipe, and the outer pipe is fixedly connected with the thread buckle through the fixing seat.

preferably, the inner side wall of the outer tube is fixedly connected with an inner tube, one end of the outer tube is connected with the needle head, and the other end of the outer tube is fixedly connected with the thread buckle.

Preferably, one end of the piston rod, which is close to the threaded sleeve, is provided with a limiting block, and the limiting block and the piston rod are integrally formed.

preferably, the junction of the threaded sleeve and the threaded rod is engaged by threads, and the threaded rod moves on the threaded sleeve by engagement.

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

1. The utility model discloses a set up threaded sleeve in one side of piston rod, make the piston rod slide on threaded sleeve, and set up the threaded rod through the inside wall at threaded sleeve, make threaded rod and threaded sleeve meshing, set up the knob through the one end at the threaded rod at last, make the knob drive the threaded rod and rotate, when needs are dosed, through rotating the knob, make the knob drive the threaded rod and rotate, make the threaded rod move in threaded sleeve's inside, thereby make the threaded rod drive the piston rod and remove, thereby reach the purpose of dosing, it removes to drive the piston rod through the threaded rod, make the removal of piston rod more accurate, thereby improve its precision of dosing.

2. The utility model discloses a set up the cross valve between outer tube and syringe body, the cross valve passes through the screw thread and detains and outer tube connection, detain through adjusting the screw thread and make the cross valve dismantle or install with the outer tube, set up the case through the inside wall at the cross valve, make the inside inner tube of case control outer tube closed, when needs installation or dismantlement outer tube, through turning round tight or not hard up screw thread knot and install or dismantle, and when the liquid medicine circulation of needs control, realize the purpose of control circulation through control valve core.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of a screw propulsion mechanism of the present invention;

FIG. 3 is a schematic structural view of the pipe connecting mechanism of the present invention;

in the figure: 1. a needle body is injected; 11. a connecting sleeve; 2. a cross valve; 21. a valve core; 22. a threaded seat; 3. screwing; 31. a fixed seat; 4. an outer tube; 41. an inner tube; 5. a needle head; 6. a piston rod; 61. a limiting block; 7. a threaded sleeve; 8. a threaded rod; 81. a knob.

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 work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: an injection needle for endoscope comprises an injection needle body 1, one end of the injection needle body 1 is fixedly connected with a cross valve 2, a threaded seat 22 is arranged at the joint of the cross valve 2 and a threaded buckle 3, the threaded buckle 3 is detachably connected with the cross valve 2 through the threaded seat 22, the threaded buckle 3 is rotated on the threaded seat 22 through the threaded seat 22, the cross valve 2 is connected with the threaded buckle 3 through rotating the threaded buckle 3, a valve core 21 is slidably connected with the inner side wall of the cross valve 2, one end of the cross valve 2 is detachably connected with the threaded buckle 3, a fixed seat 31 is fixedly connected at the joint of the threaded buckle 3 and an outer tube 4, the outer tube 4 is fixedly connected with the threaded buckle 3 through the fixed seat 31, the fixed seat 31 is connected with the outer tube 4 through the threaded buckle 3, one end of the threaded buckle 3 is fixedly connected with the outer tube 4, the inner side wall of the outer tube 4 is fixedly connected with an inner tube, one end of the outer tube 4 is connected with the needle head 5, the other end is fixedly connected with the thread buckle 3, the inner tube 41 is arranged for circulating the liquid medicine, one end of the outer tube 4 is fixedly connected with the needle head 5, the other end of the injection needle body 1 is connected with the piston rod 6 in a sliding way, one end of the piston rod 6 close to the thread sleeve 7 is provided with a limiting block 61, and the limiting block 61 and the piston rod 6 are integrally formed, the piston rod 6 is prevented from falling off from the threaded sleeve 7 by arranging the limiting block 61, one end of the piston rod 6 is connected with the threaded sleeve 7 in a sliding way, the joint of the threaded sleeve 7 and the threaded rod 8 is engaged through threads, and the threaded rod 8 moves on the threaded sleeve 7 through engagement, the threaded rod 8 is moved on the threaded sleeve 7 by engaging the threaded rod 8 with the threaded sleeve 7, the threaded rod 8 is engaged with the inner side wall of the threaded sleeve 7, and one end of the threaded rod 8 is fixedly connected with a knob 81.

Specifically, the outer side wall of the syringe needle body 1 is fixedly connected with a connecting sleeve 11, the piston rod 6 is connected with the syringe needle body 1 through the connecting sleeve 11, and the piston rod 6 is connected with the syringe needle body 1 through the connecting sleeve 11, so that the piston rod 6 is arranged on the syringe needle body 1.

specifically, the junction of cross valve 2 and thread clamp 3 is provided with screw thread seat 22, and thread clamp 3 can dismantle with cross valve 2 through screw thread seat 22 and be connected, through setting up screw thread seat 22, makes thread clamp 3 rotate on screw thread seat 22, and through rotating thread clamp 3, makes cross valve 2 be connected with thread clamp 3.

Specifically, the junction fixedly connected with fixing base 31 of thread tightening 3 and outer tube 4, and outer tube 4 passes through fixing base 31 and thread tightening 3 fixed connection, through setting up fixing base 31, makes fixing base 31 connect outer tube 4, and rethread thread tightening 3 is fixed with it.

specifically, the inside wall fixedly connected with inner tube 41 of outer tube 4, and the syringe needle 5 is connected to the one end of outer tube 4, and the other end and thread buckle 3 fixed connection, through setting up inner tube 41, inner tube 41 is used for circulating the liquid medicine.

specifically, the one end that piston rod 6 is close to threaded sleeve 7 is provided with stopper 61, and stopper 61 and piston rod 6 integrated into one piece, through setting up stopper 61, avoid piston rod 6 to drop from threaded sleeve 7.

Specifically, the junction between the threaded sleeve 7 and the threaded rod 8 is engaged by threads, and the threaded rod 8 is moved on the threaded sleeve 7 by engagement of the threaded rod 8 on the threaded sleeve 7.

The utility model discloses a theory of operation and use flow: the utility model discloses after the installation, when needs are dosed, through rotating knob 81, make knob 81 drive threaded rod 8 and rotate, make threaded rod 8 remove in the inside of threaded sleeve 7, thereby make threaded rod 8 drive piston rod 6 and remove, thereby reach the purpose of dosing, drive piston rod 6 through threaded rod 8 and remove, make the removal of piston rod 6 more accurate, thereby improve its precision of dosing, and when needs installation or dismantlement outer tube 4, install or dismantle through turning round tight or not hard up screw thread knot 3, and when needs control liquid medicine circulation, realize the purpose of control circulation through control valve core 21.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an injection needle for scope, includes injection needle body (1), its characterized in that: one end fixedly connected with cross valve (2) of syringe body (1), the inside wall sliding connection of cross valve (2) has case (21), the one end of cross valve (2) can be dismantled and be connected with screw thread knot (3), the one end fixedly connected with outer tube (4) of screw thread knot (3), one end fixedly connected with syringe needle (5) of outer tube (4), the other end sliding connection of syringe body (1) has piston rod (6), the one end sliding connection of piston rod (6) has threaded sleeve (7), the inside wall meshing of threaded sleeve (7) has threaded rod (8), the one end fixedly connected with knob (81) of threaded rod (8).

2. An injection needle for an endoscope according to claim 1, characterized in that: the outer side wall of the injection needle body (1) is fixedly connected with a connecting sleeve (11), and the piston rod (6) is connected with the injection needle body (1) through the connecting sleeve (11).

3. An injection needle for an endoscope according to claim 1, characterized in that: the cross valve (2) and the connection part of the thread buckle (3) are provided with a thread seat (22), and the thread buckle (3) is detachably connected with the cross valve (2) through the thread seat (22).

4. An injection needle for an endoscope according to claim 1, characterized in that: the thread buckle (3) is fixedly connected with a fixing seat (31) at the joint of the outer tube (4), and the outer tube (4) is fixedly connected with the thread buckle (3) through the fixing seat (31).

5. An injection needle for an endoscope according to claim 1, characterized in that: the inner side wall of the outer tube (4) is fixedly connected with an inner tube (41), one end of the outer tube (4) is connected with the needle head (5), and the other end of the outer tube is fixedly connected with the thread buckle (3).

6. An injection needle for an endoscope according to claim 1, characterized in that: one end of the piston rod (6) close to the threaded sleeve (7) is provided with a limiting block (61), and the limiting block (61) and the piston rod (6) are integrally formed.

7. An injection needle for an endoscope according to claim 1, characterized in that: the connection of the threaded sleeve (7) and the threaded rod (8) is engaged by a thread, and the threaded rod (8) is moved on the threaded sleeve (7) by engagement.