CN220603047U - Anti-blocking blood cell sampling needle - Google Patents

Abstract

The utility model relates to the technical field of sampling needles, and discloses an anti-blocking blood cell sampling needle; the anti-blocking blood cell sampling needle comprises a fixed sleeve, wherein the inner wall of the fixed sleeve is provided with a needle body, the needle body is in a T-shaped arrangement, the bottom end of the needle body is provided with a sampling port, the bottom of an inner cavity of the fixed sleeve is provided with a spring, the inner wall of the needle body is provided with a sealing head, the top wall of the sealing head is provided with a pressing rod, and the novel scheme can be matched with the devices such as the fixed sleeve, the needle body and the spring, so that rubber scraps can be prevented from entering the needle body when the device is inserted, the needle body is prevented from being blocked by the rubber scraps, and the inside of the needle body is effectively ensured to be smoothly sampled; through setting up devices such as mounting bracket, action bolt and action ring and cooperate, can make the device be convenient for install the dismantlement to the needle body, be convenient for change the operation to the needle body, be favorable to improving work efficiency.

Description

Anti-blocking blood cell sampling needle

Technical Field

The utility model belongs to the technical field of sampling needles, and particularly relates to an anti-blocking blood cell sampling needle.

Background

The blood cell analyzer, one of the very extensive instruments of clinical examination application of hospital, owing to its easy operation, whole process accomplish automatically, need not the manual work and add advantages such as reagent, and applied widely to clinical examination of hospital, the blood cell analyzer need utilize the blood cell sampling needle to gather the sample inside equipment when using, can produce when the operating needle tube pierces the rubber stopper of storing up the appearance bottle and cuts into the rubber bits, and the rubber bits can get into the needle tube inside along the needle tube to cause the needle tube to block up, for this reason, we propose a blood cell sampling needle of anti-blocking.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the anti-blocking blood cell sampling needle, which effectively solves the problems that rubber scraps are formed by cutting when a needle tube is operated to pierce a rubber plug of a sample storage bottle, and the rubber scraps possibly enter the interior of the needle tube along the needle tube, so that the needle tube is blocked.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-blocking blood cell sampling needle, includes fixed cover, the inner wall of fixed cover is provided with the needle body, the needle body is T type setting, the sampling mouth has been seted up to the bottom of the needle body, the bottom of fixed cover inner chamber is provided with the spring, the inner wall of the needle body is provided with the seal head, the roof of seal head is provided with the pressure pole, the outer wall of pressure pole is provided with the action ring, the action ring set up in the roof of spring, the left end of the needle body is provided with the connecting pipe.

Preferably, the mounting groove has been seted up to the preceding lateral wall of fixed cover, the roof of needle body sets up the mounting bracket, the mounting bracket is located the inner wall of mounting groove, the roof of fixed cover is provided with action bolt, action bolt's bottom is located action ring's roof.

Preferably, the bottom of the needle body is in a conical shape, and the bottom of the sealing head is in a conical shape.

Preferably, ventilation grooves are formed in the front side wall and the rear side wall of the needle body, and sealing rings are arranged on the outer wall of the sealing head.

Preferably, the inner wall of the mounting groove is provided with a mounting pad, the mounting pad is made of rubber materials, and the mounting frame is located on the inner wall of the mounting pad.

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

1. according to the anti-blocking blood cell sampling needle, the fixing sleeve, the needle body, the spring and other devices are matched, so that rubber scraps are prevented from entering the needle body during penetration of the device, the needle body is prevented from being blocked by the rubber scraps, and the inside of the needle body is effectively ensured to be smooth for sampling;

2. according to the anti-blocking blood cell sampling needle, the installation frame, the action bolt, the action ring and other devices are matched, so that the device is convenient to install and detach the needle body, the needle body is convenient to replace, and the work efficiency is improved;

3. this prevent blood cell sampling needle of jam cooperatees through setting up devices such as sealing washer, needle body and sealing head, can make the device be convenient for ventilate in the storage appearance bottle through the ventilation slot of seting up, is favorable to carrying out the suction operation, is convenient for carry out the shutoff to the upside of needle body through the sealing washer, avoids taking place to leak when the sample.

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 schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a retaining sleeve of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;

in the figure: 100. a fixed sleeve; 101. a needle body; 102. a spring; 103. a sealing head; 104. pressing a pressing rod; 105. an action ring; 106. a connecting pipe; 107. a mounting frame; 108. an action bolt; 109. a seal ring; 110. and (3) a mounting pad.

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.

As shown in fig. 1, fig. 2 and fig. 3, according to the anti-blocking blood cell sampling needle disclosed by the utility model, a needle body 101 is clamped on the inner wall of a fixing sleeve 100, a sample is conveniently sucked through the needle body 101, the needle body 101 is in a T-shaped arrangement, a sampling port is formed at the bottom end of the needle body 101, a sucking operation is carried out through the sampling port, a spring 102 is fixedly connected to the bottom of an inner cavity of the fixing sleeve 100, a function ring 105 is conveniently pushed through the spring 102, a sealing head 103 is slidably connected to the inner wall of the needle body 101, the sampling port is conveniently plugged through the sealing head 103, rubber scraps are prevented from entering the inner cavity of the needle body 101, a pressing rod 104 is fixedly connected to the top wall of the sealing head 103, the sealing head 103 is conveniently driven to move through the pressing rod 104, a function ring 105 is fixedly connected to the outer wall of the pressing rod 104, the function ring 105 is fixedly connected to the top wall of the spring 102 through the function ring 105, and a connecting pipe 106 is fixedly connected to the left end of the needle body 101; when sampling is carried out, the sealing head 103 is driven to move by pushing the pressing rod 104, the sealing head 103 is driven to move to the sampling port for plugging, the rubber plug is punctured by the needle body 101 to enter the sample storage bottle, the pressing rod 104 is loosened after the lower side of the needle body 101 is inserted into the sample storage bottle, the action ring 105 is conveniently pushed to rise by the elasticity of the spring 102, the pressing rod 104 is driven to move by the action ring 105, the sealing head 103 is driven to move by pushing the pressing rod 104, the sealing head 103 is driven to remove the plugging of the sampling port, the left end of the needle body 101 is connected with the hemocytometer through a rubber tube, the sample in the sample storage bottle is sucked by the needle body 101, the rubber plug is prevented from entering the inside of the needle body 101 when the device is punctured, the rubber plug is prevented from blocking the needle body 101, the inside of the needle body 101 is effectively ensured to be smoothly sampled, the mounting frame 107 is fixedly connected to the front side wall of the needle body 101, the mounting frame 107 is conveniently limited and fixed to the needle body 101 through the mounting frame 107, the top wall of the mounting frame 107 is positioned on the inner wall of the mounting groove, the action ring 108 is screwed to the action ring 108, and the bottom wall of the fixing sleeve 100 is conveniently limited to the action ring 105 through the action ring 105; the action bolt 108 is rotated to enable the action bolt 108 to move on the fixed sleeve 100, the action bolt 108 moves to enable the action ring 105 to ascend, the action ring 105 drives the pressing rod 104 to move, the pressing rod 104 drives the sealing head 103 to move, the sealing head 103 moves out of the inner cavity of the needle body 101, the needle body 101 is pushed to move so as to be separated from the inner cavity of the mounting groove, the needle body 101 can be conveniently mounted and dismounted by the device, the needle body 101 is conveniently replaced, the work efficiency is improved, the bottom end of the needle body 101 is in a conical shape, and the bottom end of the sealing head 103 is in a conical shape; the conical arrangement is convenient for the device to prick into the rubber plug, so that the effort during the pricking is saved, the front side wall and the rear side wall of the needle body 101 are provided with ventilation grooves, and the outer wall of the sealing head 103 is fixedly connected with a sealing ring 109; the ventilation groove is formed, so that ventilation in the sample storage bottle is facilitated, suction operation is facilitated, the upper side of the needle body 101 is conveniently plugged through the sealing ring 109, leakage is avoided during sampling, the mounting pad 110 is fixedly connected to the inner wall of the mounting groove, the mounting pad 110 is made of rubber materials, and the mounting frame 107 is positioned on the inner wall of the mounting pad 110; the mounting pad 110 is convenient to clamp the mounting rack 107 model, friction force is increased to avoid sliding, and the needle body 101 is facilitated to be mounted.

Working principle: when sampling is carried out, the sealing head 103 is driven to move through pushing the pressing rod 104, the sealing head 103 is driven to move to the sampling port for plugging, the rubber plug is pricked through the needle body 101 to enter the sample storage bottle, the pressing rod 104 is loosened after the lower side of the needle body 101 is inserted into the sample storage bottle, the action ring 105 is conveniently pushed to rise through the elastic force of the spring 102, the pressing rod 104 is driven to move through the action ring 105, the sealing head 103 is driven to move through the pressing rod 104, the sealing head 103 is driven to remove the plugging of the sampling port through the movement of the sealing head 103, the connecting pipe 106 is connected with the hemocytometer, the needle body 101 is used for sucking samples in the sample storage bottle, the device can be enabled to avoid rubber scraps from entering the needle body 101 during pricking, the needle body 101 is prevented from being blocked, the needle body 101 is effectively guaranteed to be smoothly sampled through rotating the action bolt 108, the action ring 105 is enabled to rise through the action bolt 108, the action ring 105 is driven to move through the action ring 104, the sealing head 103 is driven to move through the pressing rod 104, the sealing head 103 is enabled to move out of the inner cavity of the needle body 101, the needle body 101 is pushed to be separated from the needle body, and the device can be conveniently installed in a detachable mode, and the device is convenient to detach.

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 (5)

1. An anti-clogging blood cell sampling needle comprising a fixed sleeve (100), characterized in that: the inner wall of fixed cover (100) is provided with needle body (101), needle body (101) are T type setting, the sampling mouth has been seted up to the bottom of needle body (101), the bottom of fixed cover (100) inner chamber is provided with spring (102), the inner wall of needle body (101) is provided with seal head (103), the roof of seal head (103) is provided with presses pole (104), the outer wall of pressing pole (104) is provided with action ring (105), action ring (105) set up in the roof of spring (102), the left end of needle body (101) is provided with connecting pipe (106).

2. An anti-clogging blood cell sampling needle as claimed in claim 1, wherein: the utility model discloses a needle body, including fixed cover (100) and action ring (105), the mounting groove has been seted up to the preceding lateral wall of fixed cover (100), the roof of needle body (101) sets up mounting bracket (107), mounting bracket (107) are located the inner wall of mounting groove, the roof of fixed cover (100) is provided with action bolt (108), the bottom of action bolt (108) is located the roof of action ring (105).

3. An anti-clogging blood cell sampling needle as claimed in claim 1, wherein: the bottom of the needle body (101) is in a conical shape, and the bottom of the sealing head (103) is in a conical shape.

4. An anti-clogging blood cell sampling needle as claimed in claim 1, wherein: the front side wall and the rear side wall of the needle body (101) are respectively provided with an air vent groove, and the outer wall of the sealing head (103) is provided with a sealing ring (109).

5. An anti-clogging blood cell sampling needle as claimed in claim 2, wherein: the inner wall of mounting groove is provided with mounting pad (110), mounting pad (110) adopt rubber material to make, mounting bracket (107) are located the inner wall of mounting pad (110).