CN219167338U

CN219167338U - Micropump with anti-slip extension tube

Info

Publication number: CN219167338U
Application number: CN202222673347.5U
Authority: CN
Inventors: 陈杰
Original assignee: Zigong Maternal and Child Health Hospital
Current assignee: Zigong Maternal and Child Health Hospital
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-06-13
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a micropump with an extension tube for preventing slipping, which comprises a micropump body, a syringe assembly and a scalp needle assembly, wherein a syringe mounting groove is formed in the side wall of the micropump body, an electric guide rail is arranged in the side wall of the micropump body, a control unit electrically connected with the electric guide rail is arranged in the micropump body, the syringe assembly comprises the syringe body and the extension tube body, one end of the extension tube body is connected with an outlet of the syringe body, a first connecting piece is arranged at the other end of the extension tube body, a first thread is arranged on the outer side wall of the first connecting piece, a first connecting groove is formed in the side wall of the first connecting piece, the scalp needle assembly comprises a scalp needle body and a second connecting piece, a second connecting groove is formed in the side wall of the second connecting piece, a second thread matched with the first thread is arranged in the inner wall of the second connecting groove, and the second connecting groove is connected with the scalp needle body through a guide pipe.

Description

Micropump with anti-slip extension tube

Technical Field

The utility model relates to the technical field of micropumps, in particular to a micropump with an anti-slip extension tube.

Background

The microinjection pump (for short, microinjection pump) is a new type pumping instrument, and can accurately, uniformly and continuously output a small quantity of fluid. In order to facilitate the long-distance injection of patients, the micro pump extension tube is needed to connect the scalp needle and the injector, but when the traditional micro pump is used, the extension tube is connected with the scalp needle in an inserting way, and when the air pressure in the extension tube is increased when the liquid medicine flows, the impact force on the scalp needle is increased, so that the scalp needle is easy to slip from the extension tube of the micro pump, and the injection cannot be performed.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide the micropump with the anti-slip extension tube, which replaces the traditional micropump, and solves the problem that injection cannot be completed due to the slip between the extension tube and the scalp needle when the micropump is used.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a micropump having an extension tube that is slip resistant, comprising:

the micro pump comprises a micro pump body, wherein the side wall of the micro pump body is provided with an injector mounting groove, the side wall of the micro pump body is provided with an electric guide rail, the output end of the electric guide rail is connected with an extrusion block, and a control unit electrically connected with the electric guide rail is arranged in the micro pump body;

the syringe assembly comprises a syringe body and an extension tube body, wherein one end of the extension tube body is connected with an outlet of the syringe body, a first connecting piece is arranged at the other end of the extension tube body, a first thread is arranged on the outer side wall of the first connecting piece, and a first communication groove is formed in the side wall of the first connecting piece;

the scalp needle assembly comprises a scalp needle body and a second connecting piece, wherein a second communication groove is formed in the side wall of the second connecting piece, a second thread matched with the first thread is arranged on the inner wall of the second communication groove, and the second communication groove is connected with the scalp needle body through a guide pipe.

As a preferable mode of the micropump with the anti-slip extension tube according to the present utility model, a gasket is provided on an inner wall of the second communication groove.

As an optimal scheme of the micropump with the anti-slip extension tube, the utility model is characterized in that a mounting hole is formed in the side wall of the micropump body, a positioning mechanism is arranged in the mounting hole, the positioning mechanism comprises a rotating rod matched with the mounting hole, and a stop lever is arranged on the side wall of the rotating rod.

As a preferable scheme of the micropump with the anti-slip extension tube, a limit groove is formed in the inner wall of the mounting hole, and a limit block matched with the limit groove is arranged on one side, away from the stop rod, of the rotating rod.

As a preferable mode of the micropump with an extension tube of the present utility model, the syringe mounting groove and the electric rail are on the same horizontal line.

As a preferable mode of the micropump of the present utility model, the extension tube is configured such that the stopper is positioned corresponding to the position of the syringe mounting groove.

Compared with the prior art, the micropump has the beneficial effects that the micropump with the anti-slip extension tube has the advantages that the first connecting piece is in threaded connection with the second communicating groove through the matching of the first threads and the second threads, so that the traditional micropump is replaced, and the problem that injection cannot be completed due to the fact that the extension tube slips off from the scalp needle when the micropump is used is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic view of a micropump with an extension tube having a slip prevention function according to the present utility model;

FIG. 2 is a structural exploded view of an extension tube anti-slip micropump according to the present utility model;

FIG. 3 is a schematic view of the structure of a micropump body of an anti-slip micropump with an extension tube according to the present utility model;

FIG. 4 is a schematic view showing the structure of a first coupling member of a micropump having an extension tube with slip prevention function according to the present utility model;

FIG. 5 is a schematic view showing the structure of a second coupling member of a micropump having an extension pipe with slip prevention function according to the present utility model;

FIG. 6 is a schematic view of a positioning mechanism of a micropump with an anti-slip extension tube according to the present utility model;

FIG. 7 is an enlarged view of portion A of FIG. 2 of an extension tube anti-slip micro pump according to the present utility model;

in the figure: 100. a micropump body; 110. a syringe mounting groove; 120. an electric guide rail; 121. extruding a block; 130. a mounting hole; 140. a positioning mechanism; 141. a rotating rod; 142. a stop lever; 143. a limiting block; 200. a syringe assembly; 210. a syringe body; 220. an extension tube body; 221. a first connector; 2211. a first thread; 2212. a first communication groove; 300. a scalp needle assembly; 310. a second communication groove; 311. and a second thread.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides an anti-slip micropump for an extension tube, which replaces the traditional micropump, and solves the problem that injection cannot be completed due to slipping between the extension tube and a scalp needle when the micropump is used.

Fig. 1 to 7 are schematic structural views of an anti-slip micropump with an extension tube according to the present utility model, and fig. 1 to 7 are detailed descriptions of the anti-slip micropump with an extension tube.

Example 1

The side wall of the micropump body 100 is provided with a syringe mounting groove 110 for mounting and bearing the syringe body 210, the side wall of the micropump body 100 is provided with an electric guide rail 120 for driving a piston column of the syringe body 210 to move during injection, an output end of the electric guide rail 120 is connected with an extrusion block 121 for extruding the piston column of the syringe body 210, and a control unit electrically connected with the electric guide rail 120 is arranged in the micropump body 100 and used for controlling the moving speed of the extrusion block 121 and indirectly controlling the injection speed of the syringe body 210.

The syringe assembly 200 is used for injecting medicine, the syringe assembly 200 includes a syringe body 210 and an extension tube body 220, one end of the extension tube body 220 is connected with an outlet of the syringe body 210, the other end is provided with a first connecting piece 221, an outer side wall of the first connecting piece 221 is provided with a first thread 2211 for being matched with a second thread 311 to realize threaded connection between the first connecting piece 221 and a second thread 311 groove, and a first communication groove 2212 is formed in a side wall of the first connecting piece 221 and used for communicating medicine inside the syringe body 210 into the scalp needle assembly 300.

The scalp needle assembly 300 is used for introducing the medicine in the injector body 210 into the patient, the scalp needle assembly 300 comprises a scalp needle body and a second connecting piece, a second communicating groove 310 is formed in the side wall of the second connecting piece and is used for being connected with the first connecting piece 221, the medicine is introduced into the scalp needle body, a second thread 311 matched with the first thread 2211 is formed in the inner wall of the second communicating groove 310, and the second communicating groove 310 is connected with the scalp needle body through a catheter.

In this embodiment, the specific usage flow is as follows: in use, the first connecting piece 221 and the second communicating groove 310 are in threaded connection through the cooperation of the first thread 2211 and the second thread 311, the syringe body 210 filled with the liquid medicine is placed in the syringe mounting groove 110, then the electric guide rail 120 is controlled by the control unit to work, the extrusion block 121 is driven to extrude the piston column of the syringe body 210, and the liquid medicine in the syringe body 210 enters the scalp needle assembly 300 through the extension tube body 220 and is then input into a patient.

Example 2

On the basis of embodiment 1, the inner wall of the second communicating groove 310 is provided with a sealing gasket for increasing the tightness between the first connecting piece 221 and the inner wall of the second communicating groove 310, preventing the liquid medicine from exuding, the side wall of the micropump body 100 is provided with the mounting hole 130, the mounting groove is internally provided with the positioning mechanism 140 for limiting the syringe body 210 and preventing the syringe body from sliding down from the syringe mounting groove 110, the positioning mechanism 140 comprises a rotating rod 141 matched with the mounting hole 130, the side wall of the rotating rod 141 is provided with a stop lever 142 for limiting the side wall of the syringe body 210 in cooperation with the inner wall of the syringe mounting groove 110, the inner wall of the mounting hole 130 is provided with a limiting groove for limiting the rotating rod 141 in cooperation with the limiting block 143, the side, away from the stop lever 142, of the rotating rod 141 is provided with a limiting block 143 matched with the limiting groove, the position of the stop lever 142 corresponds to the position of the syringe mounting groove 110, and the mounting groove is on the same horizontal line as the electric guide rail 120, and the piston rod 121 can be extruded by the extruding block 121 when the electric guide rail 120 works conveniently.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A micropump having an extension tube with slip resistance, comprising:

the micro pump comprises a micro pump body (100), wherein a syringe mounting groove (110) is formed in the side wall of the micro pump body (100), an electric guide rail (120) is arranged on the side wall of the micro pump body (100), an extrusion block (121) is connected to the output end of the electric guide rail (120), and a control unit electrically connected with the electric guide rail (120) is arranged inside the micro pump body (100);

the syringe assembly (200) comprises a syringe body (210) and an extension tube body (220), wherein one end of the extension tube body (220) is connected with an outlet of the syringe body (210), a first connecting piece (221) is arranged at the other end of the extension tube body, a first thread (2211) is arranged on the outer side wall of the first connecting piece (221), and a first communication groove (2212) is formed in the side wall of the first connecting piece (221);

the scalp needle assembly (300) comprises a scalp needle body and a second connecting piece, wherein a second communication groove (310) is formed in the side wall of the second connecting piece, a second thread (311) matched with the first thread (2211) is arranged on the inner wall of the second communication groove (310), and the second communication groove (310) is connected with the scalp needle body through a guide pipe.

2. The extension tube anti-slip micro pump of claim 1, wherein the inner wall of the second communication groove (310) is provided with a gasket.

3. The micropump of claim 2, wherein the side wall of the micropump body (100) is provided with a mounting hole (130), a positioning mechanism (140) is disposed in the mounting hole, the positioning mechanism (140) includes a rotating rod (141) matched with the mounting hole (130), and a stop lever (142) is disposed on the side wall of the rotating rod (141).

4. A micropump with slip prevention of an extension pipe according to claim 3, wherein a limit groove is formed in an inner wall of the mounting hole (130), and a limit block (143) matched with the limit groove is disposed on a side of the rotating rod (141) away from the stop rod (142).

5. The extension tube anti-slip micro pump of claim 4, wherein the syringe mounting groove (110) is level with the motorized guide rail (120).

6. The extension tube anti-slip micro pump of claim 5, wherein the stop lever (142) is positioned to correspond to the position of the syringe mounting groove (110).