CN221205604U - Blood cell puncture needle convenient to operation - Google Patents

Abstract

The utility model relates to the technical field of blood cell puncture needles, and discloses a blood cell puncture needle convenient to operate, which comprises a sleeve and a protective sleeve, wherein the protective sleeve is positioned at the left side of the sleeve; the left side wall of the sleeve is provided with an annular groove, the inner side wall of the annular groove is rotationally connected with an annular block, the left side wall of the annular block is fixedly connected with a rotating plate, the left side wall of the rotating plate is fixedly connected with a limit post, the right side wall of the protective sleeve is fixedly connected with a connecting post, the left side wall of the sleeve is inserted with a needle body, the protective sleeve is slidably connected with the outer side wall of the needle body, the inner side wall of the limit post is provided with a first thread groove, the right side wall of the connecting post is provided with a connecting groove, the inner side wall of the connecting groove is provided with a second thread groove, and the limit post is in threaded connection with the inner cavity of the connecting groove; the utility model discloses the limit capability is better, avoids appearing the condition that the protective sheath was lost, the use of the blood cell pjncture needle of being convenient for.

Description

Blood cell puncture needle convenient to operation

Technical Field

The utility model belongs to the technical field of blood cell puncture needles, and particularly relates to a blood cell puncture needle convenient to operate.

Background

The blood vessel puncture needle is also called a blood vessel puncture needle, is used for puncturing blood vessels in a medical operation and connecting various infusion, blood transfusion, monitoring instruments and other requirements, is generally made of stainless steel, iron, aluminum and other materials, has a slender and sharp needle body, is convenient for accurately puncturing blood vessels, is generally made of plastic materials, and has the characteristics of low irritation and no bacterial growth, and different types of blood vessel puncture needles have different designs.

The utility model patent of the patent application number CN202123034193.7 discloses a puncture needle which is convenient to use and comprises a needle body, a protective sleeve, an end part and an embedded block, wherein the protective sleeve is sleeved outside the needle body. This convenient to use's pjncture needle through the protective sheath that is equipped with special structure in the outside of needle, has solved the inconvenient problem of installing the protective sheath of traditional pjncture needle when using, like this when using this pjncture needle, only need open the protective sheath tip that is kneaded together, then pinch the protective sheath and slide its to the rear of needle body to the bottom, so can expose the needle point, then normal use this pjncture needle can, only need reset the protective sheath once more after the use is accomplished, the operation mode is very convenient, overall structure is simple, the practicality is stronger.

However, the device still has some defects in practical use, and more obviously, the limit mode of the protective sleeve is that the protective sleeve is limited by the anti-skid patterns, and the protective sleeve still falls off easily when the protective sleeve is subjected to strong shaking or whipping, so that the protective sleeve is poorer in limit capability and easy to lose, and therefore, the blood cell puncture needle convenient to operate is provided.

Disclosure of utility model

The present utility model is directed to a blood cell puncture needle that is easy to operate, and solves the problems set forth in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the application is specifically as follows: the blood cell puncture needle convenient to operate comprises a sleeve and a protective sleeve, wherein the protective sleeve is positioned at the left side of the sleeve;

The left side wall of the sleeve is provided with an annular groove, the inner side wall of the annular groove is rotationally connected with an annular block, the left side wall of the annular block is fixedly connected with a rotating plate, the left side wall of the rotating plate is fixedly connected with a limit column, and the right side wall of the protective sleeve is fixedly connected with a connecting column.

As a preferred technical solution of the present application,

The left side wall of the sleeve is inserted with a needle body, and the protective sleeve is connected with the outer side wall of the needle body in a sliding manner.

As a preferred technical solution of the present application,

The inner side wall of the limit post is provided with a first thread groove, the right side wall of the connecting post is provided with a connecting groove, the inner side wall of the connecting groove is provided with a second thread groove, and the limit post is in threaded connection with the inner cavity of the connecting groove.

As a preferred technical solution of the present application,

The upper side and the lower side of the rear side of the outer side wall of the protective sleeve are fixedly connected with mounting blocks, and a rotating shaft is rotatably connected between the inner side walls of the mounting blocks.

As a preferred technical solution of the present application,

The lateral wall front side fixedly connected with guard gate of axis of rotation, the preceding lateral wall fixedly connected with connecting block of guard gate.

As a preferred technical solution of the present application,

The front side wall fixedly connected with magic is pasted, left side fixedly connected with magic is female to be pasted before the lateral wall of lag, the female cooperation of pasting of magic the magic is pasted the magic and is used.

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

in the scheme of the application:

1. Through setting up the ring channel on the sleeve pipe, connect annular piece and revolving plate through the ring channel, support spacing post through revolving plate, and set up first screw thread groove in the inboard of spacing post, through set up the spliced pole in the outside of lag, the spliced pole passes through the spliced groove and sets up the second screw thread groove, and through removing the lag, move spacing post to the spliced groove, through rotating revolving plate, revolving plate passes through annular piece rotatory in the ring channel, it is rotatory to drive spacing post through revolving plate, spacing post passes through first screw thread groove cooperation second screw thread groove, carry out spacingly with spliced pole and lag, spacing ability is better, avoid appearing the condition that the protective sheath was lost.

2. Through setting up installation piece and axis of rotation, support the guard gate through the axis of rotation, protect the needle body through guard gate cooperation lag, set up the magic subsides through the guard gate, paste the magic female subsides in the lag outside through the cooperation of magic subsides, it is spacing to the guard gate, paste with the magic female subsides through manual tearing the magic, realize the opening of guard gate to remove the guard gate to the rear side of needle body, the use of the blood cell pjncture needle of being convenient for.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a perspective view of a convenient manipulation blood cell puncture needle according to the present application;

FIG. 2 is an enlarged perspective view of a protective sheath for a blood cell puncture needle according to the present application;

FIG. 3 is an enlarged view of the rear side of the protective sheath of the blood cell puncture needle according to the present application;

Fig. 4 is a partial perspective exploded view of a convenient manipulation blood cell puncture needle according to the present application.

In the figure: 100. a sleeve; 110. a needle body; 120. an annular groove; 130. an annular block; 140. a rotating plate; 150. a limit column; 151. a first thread groove; 200. a protective sleeve; 210. a connecting column; 220. a connecting groove; 221. a second thread groove; 230. a mounting block; 231. a rotating shaft; 240. a protective door; 241. a connecting block; 242. magic tape; 250. magic mother plaster.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a blood cell puncture needle for convenient operation includes a cannula 100 and a protective sheath 200, wherein the protective sheath 200 is positioned at the left side of the cannula 100, and in particular, the protective sheath 200 is slidably connected to the left side of the cannula 100 through a needle body 110;

The left side wall of the sleeve 100 is provided with an annular groove 120, the annular groove 120 is used for supporting an annular block 130, the inner side wall of the annular groove 120 is rotationally connected with the annular block 130, the annular block 130 is used for supporting a rotating plate 140, the left side wall of the annular block 130 is fixedly connected with the rotating plate 140, the rotating plate 140 is used for supporting a limiting column 150, the left side wall of the rotating plate 140 is fixedly connected with the limiting column 150, the limiting column 150 is used for limiting the protective sleeve 200, the right side wall of the protective sleeve 200 is fixedly connected with a connecting column 210, and the connecting column 210 is used for connecting the limiting column 150.

Referring to fig. 1, a needle 110 is inserted into the left side wall of the cannula 100, a protecting sleeve 200 is slidably connected to the outer side wall of the needle 110, and the needle 110 is protected by the protecting sleeve 200 through injection of the needle 110.

Referring to fig. 3 and 4, the inner sidewall of the limit post 150 is provided with a first thread groove 151, the right sidewall of the connection post 210 is provided with a connection groove 220, the inner sidewall of the connection groove 220 is provided with a second thread groove 221, the limit post 150 is in threaded connection with the inner cavity of the connection groove 220, and the limit post 150 is connected with the connection post 210 by matching the first thread groove 151 with the second thread groove 221.

Referring to fig. 2 and 3, the upper and lower sides of the rear side of the outer sidewall of the protection sleeve 200 are fixedly connected with a mounting block 230, a rotation shaft 231 is rotatably connected between the inner sidewalls of the mounting block 230, the rotation shaft 231 is supported by the mounting block 230, and the rotation shaft 231 is used for supporting a protection door 240.

Referring to fig. 2 and 3, a protection door 240 is fixedly connected to the front side of the outer side wall of the rotation shaft 231, a connection block 241 is fixedly connected to the front side wall of the protection door 240, the protection door 240 is matched with the protection sleeve 200 to protect the needle 110, and a magic sub-patch 242 is supported by the connection block 241.

Referring to fig. 2 and 3, a magic sub-paste 242 is fixedly connected to a front side wall of the connecting block 241, a magic female paste 250 is fixedly connected to a front left side of an outer side wall of the protecting sleeve 200, the magic female paste 250 is matched with the magic sub-paste 242 for use, and the magic sub-paste 242 is matched with the magic female paste 250 to limit the protecting door 240.

Specifically, when the device is used, firstly, the annular groove 120 is formed in the sleeve 100, the annular block 130 and the rotating plate 140 are installed through the annular groove 120, the limiting column 150 is installed through the rotating plate 140, then the magic sub-paste 242 and the magic main paste 250 are manually torn open, and the magic sub-paste 242 and the magic main paste 250 are separated, so that the protective door 240 loses limitation, the protective sleeve 200 is rotated on the installation block 230 through the rotating shaft 231, the protective sleeve 200 is opened, at the moment, the protective sleeve 200 is slid on the needle 110, the limiting column 150 is moved into the connecting groove 220, then the rotating plate 140 is rotated, the rotating plate 140 is rotated in the annular groove 120 through the annular block 130, the limiting column 150 is driven to rotate, the connecting column 210 is driven to move through the first threaded groove 151 and the second threaded groove 221, and the connecting column 210 and the protective sleeve 200 are limited, so that the device is used.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. A blood cell puncture needle convenient to operate, includes sleeve pipe (100) and lag (200), its characterized in that: the protective sleeve (200) is positioned on the left side of the sleeve (100);

The left side wall of the sleeve (100) is provided with an annular groove (120), the inner side wall of the annular groove (120) is rotationally connected with an annular block (130), the left side wall of the annular block (130) is fixedly connected with a rotating plate (140), the left side wall of the rotating plate (140) is fixedly connected with a limit column (150), and the right side wall of the protective sleeve (200) is fixedly connected with a connecting column (210).

2. A manipulation-friendly blood cell puncture needle according to claim 1, wherein: the left side wall of the sleeve (100) is inserted with a needle body (110), and the protective sleeve (200) is connected to the outer side wall of the needle body (110) in a sliding mode.

3. A manipulation-friendly blood cell puncture needle according to claim 1, wherein: the inner side wall of the limit post (150) is provided with a first thread groove (151), the right side wall of the connecting post (210) is provided with a connecting groove (220), the inner side wall of the connecting groove (220) is provided with a second thread groove (221), and the limit post (150) is in threaded connection with the inner cavity of the connecting groove (220).

4. A manipulation-friendly blood cell puncture needle according to claim 1, wherein: the upper side and the lower side of the rear side of the outer side wall of the protective sleeve (200) are fixedly connected with mounting blocks (230), and a rotating shaft (231) is rotatably connected between the inner side walls of the mounting blocks (230).

5. A manipulation-friendly blood cell puncture needle according to claim 4, wherein: the protection door (240) is fixedly connected to the front side of the outer side wall of the rotating shaft (231), and the connecting block (241) is fixedly connected to the front side wall of the protection door (240).

6. A manipulation-friendly blood cell puncture needle according to claim 5, wherein: front side wall fixedly connected with magic sub-subsides (242) of connecting block (241), left side fixedly connected with magic female subsides (250) before the lateral wall of lag (200), female subsides (250) of magic cooperation magic sub-subsides (242) use.