CN219680629U

CN219680629U - Device for preventing stabs during blood sampling

Info

Publication number: CN219680629U
Application number: CN202320254888.6U
Authority: CN
Inventors: 李芸
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-09-15
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses a device for preventing puncture during blood collection, which comprises a blood collection needle consisting of a collection part, a hose and a discharge part, and also comprises a protection part arranged on the blood collection needle; the collecting part, the hose and the discharging part are sequentially connected, and the protecting part is arranged on the collecting part. The utility model provides a device for preventing puncture injury during blood collection, which can effectively reduce the puncture injury probability of blood collection personnel by a blood collection needle discharge part in the blood collection process, can better complete the cooperation between the discharge part and a vacuum blood collection tube, better protect the personal safety of the blood collection personnel and well promote the progress of the industry.

Description

Device for preventing stabs during blood sampling

Technical Field

The utility model relates to the field of medical equipment, in particular to a device for preventing puncture injury during blood sampling.

Background

In clinical medicine, many detection parameters are required to be obtained by medical staff after collecting blood samples of human veins for analysis, so that blood gas samples are required in the diagnosis and treatment processes of many diseases.

Today, the main way of collecting blood gas samples is done by cooperation of a lancet and a vacuum blood collection tube as shown in fig. 1; the method comprises the following steps: the collecting part of the blood taking needle is inserted into the vein of the human body, and the discharging part of the blood taking needle is inserted into the vacuum blood taking tube, so that the venous blood of the human body can flow into the vacuum blood taking tube. However, during the blood collection, the blood collection person may be injured by the discharge portion by himself or herself due to negligence, and if the discharge portion contains the blood of the patient, the blood collection person may be easily infected with the disease. Therefore, the existing blood taking needle cannot effectively protect personal safety of blood taking staff in the blood taking process, and has certain potential safety hazards.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the device for preventing the puncture injury during blood collection, which can effectively reduce the puncture injury probability of blood collection personnel by the discharge part of the blood collection needle in the blood collection process, can better complete the cooperation between the discharge part and the vacuum blood collection tube, better protect the personal safety of the blood collection personnel and well promote the progress of the industry.

The device for preventing puncture during blood collection comprises a blood collection needle consisting of a collection part, a hose and a discharge part, and also comprises a protection part arranged on the blood collection needle; the collecting part, the hose and the discharging part are sequentially connected, and the protecting part is arranged on the collecting part.

Further, the discharging part consists of a connecting piece, a discharging seat connected with the connecting piece and a discharging needle arranged at the rear end of the discharging seat; the front end of the connecting piece is connected with the hose.

Still further, the protection part comprises the protection bucket that the opening is backward, the spring of setting in the protection bucket to and set up in the protection bucket and support in the protection shield of spring rear end.

Preferably, a front limit groove is formed in the inner side of the front end face of the protection barrel, and a rear limit groove opposite to the front limit groove is formed in the protection plate; the front end and the rear end of the spring are respectively arranged in the front limiting groove and the rear limiting groove, and the diameters of the front limiting groove and the rear limiting groove are matched with the diameter of the spring.

Preferably, the discharging seat penetrates through the front end face of the protection barrel from the center shaft, and the discharging seat and the protection barrel are fixed into a whole.

Preferably, a through hole having a diameter larger than that of the discharge needle is provided at the central axis of the protection plate.

Furthermore, the inside edge of protection shield symmetry is provided with two "7" font elastic clips, be provided with on the inside wall of protection barrel with elastic clip assorted spacing spout, and still be provided with the bayonet socket that runs through the protection barrel lateral wall in spacing spout.

Preferably, an outer elastic sheet which is matched with the bayonet in number and position is further arranged on the outer side wall of the protection barrel, and a plug is further arranged on the outer elastic sheet.

Preferably, one end of the outer elastic sheet is fixed with the protection barrel into a whole, and the other end of the outer elastic sheet covers the bayonet.

Preferably, one end of the plug is fixed on the outer elastic sheet, and the other end of the plug extends into the bayonet until the plug is flush with the bottom surface of the limiting chute.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

(1) According to the utility model, the front limit groove and the rear limit groove are arranged, so that the spring can be more effectively prevented from sliding when the product is used, the discharge needle is prevented from being touched or even polluted when the spring transversely slides, and the use safety of the product is further ensured.

(2) The integrated structure of the discharge seat and the protection barrel can greatly improve the connection stability between the discharge seat and the protection barrel, so that the stability and the safety of the product in use are improved, and the situation that the discharge needle is stabbed to hurt people caused by the sudden separation of the discharge seat and the protection barrel is avoided.

(3) According to the utility model, the isolating film can be arranged in the through hole, so that the discharge needle of the product is prevented from being polluted before the product is used, and the use safety of the product is further improved.

(4) According to the utility model, the elastic clip and the bayonet are arranged, so that the protection plate and the negative pressure blood sampling tube can be prevented from being ejected together by the elastic force of the spring after the protection plate compresses the spring, and the using effect of the product is improved.

(5) The outer elastic sheet and the plug are arranged, so that the difficulty of reversely pressing the elastic clip can be further reduced, the convenience of using the product is improved, and the using effect of the product is further improved.

(6) The utility model can effectively reduce the stabbing probability of the blood taking personnel by the discharge part of the blood taking needle in the blood taking process, can better complete the matching between the discharge part and the vacuum blood taking tube, better protect the personal safety of the blood taking personnel and well promote the progress of the industry.

Additional features of the utility model will be set forth in part in the description which follows. Additional features of part of the utility model will be readily apparent to those skilled in the art from a examination of the following description and the corresponding figures or a study of the manufacture or operation of the embodiments. The features of the present disclosure may be implemented and realized in the practice or use of the various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Like reference symbols in the various drawings indicate like elements. Wherein, the liquid crystal display device comprises a liquid crystal display device,

fig. 1 is a schematic view showing a structure of a lancet according to the related art.

Fig. 2 is a schematic structural view of the present utility model.

Fig. 3 is a sectional view of the discharge portion and the protection portion in the protection state of the present utility model.

Fig. 4 is a cross-sectional view of the discharge portion and the protection portion in the use state of the present utility model.

Reference numerals illustrate: 100. an acquisition unit; 200. a hose; 300. a discharge section; 301. a connecting piece; 302. a discharge seat; 303. a discharge needle; 400. a protection part; 401. a protection barrel; 402. a front limit groove; 403. limiting sliding grooves; 404. a protective plate; 405. a rear limit groove; 406. a through hole; 407. a spring; 408. a spring clip; 409. a bayonet; 410. an outer spring plate; 411. and (5) plugging.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that if the terms "first," "second," and the like are referred to in the description of the present utility model and the claims and the above figures, they are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, if the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are referred to, the indicated azimuth or positional relationship is based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Further, in the present utility model, the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly if they relate to. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

As shown in fig. 2 and 3, a device for preventing puncture during blood collection includes a lancet composed of a collection part 100, a flexible tube 200 and a discharge part 300, and a protection part 400 provided on the lancet; the collecting part 100, the hose 200, and the discharging part 300 are sequentially connected, and the protecting part 400 is provided on the collecting part 100.

The lancet is a conventional technology, which is commonly used in the medical field, and the use thereof can be completed by those skilled in the art without creative labor, and thus, a detailed description thereof will be omitted.

The discharge part 300 is composed of a connecting piece 301, a discharge seat 302 connected with the connecting piece 301, and a discharge needle 303 arranged at the rear end of the discharge seat 302; the front end of the connector 301 is connected to the hose 200.

The protection part 400 is composed of a protection tub 401 with a backward opening, a spring 407 disposed in the protection tub 401, and a protection plate 404 disposed in the protection tub 401 and abutting against the rear end of the spring 407.

A front limit groove 402 is formed in the inner side of the front end face of the protection barrel 401, and a rear limit groove 405 opposite to the front limit groove 402 is formed in the protection plate 404; the front and rear ends of the spring 407 are respectively disposed in the front limit groove 402 and the rear limit groove 405, and the diameters of the front limit groove 402 and the rear limit groove 405 are matched with the diameter of the spring 407.

The spring can be more effectively prevented from sliding when the product is used through the arrangement of the front limiting groove and the rear limiting groove, so that the discharge needle caused by the lateral sliding of the spring is prevented from being touched or even polluted, and the use safety of the product is further ensured.

The discharge seat 302 penetrates through the front end face of the protective barrel 401 from the center shaft, and the discharge seat 302 and the protective barrel 401 are fixed into a whole.

The integrated structure of the discharge seat and the protection barrel can greatly improve the connection stability between the discharge seat and the protection barrel, so that the stability and the safety of product use are improved, and the situation that the discharge needle is stabbed and hurts people caused by the sudden separation of the discharge seat and the protection barrel is avoided.

A through hole 406 is provided at the central axis of the protection plate 404, and the diameter of the through hole 406 is larger than the diameter of the discharge needle 303.

The isolating film can be arranged in the through hole so as to prevent the discharge needle of the product from being polluted before the product is used, and the use safety of the product is further improved.

When in use, the collecting part is inserted into the vein of a human body, then the vacuum blood collection tube is propped against the protecting plate and pushes the protecting plate inwards until the discharge needle pierces the vacuum blood collection tube; after blood sampling, the vacuum blood sampling tube is pulled outwards, the protection plate can rebound under the action of the spring, and then the discharge needle is prevented from being directly exposed, so that the probability that the collection personnel are stabbed in the operation process can be effectively avoided.

Example 2

The difference between this embodiment and embodiment 1 is that two 7-shaped elastic clips 408 are symmetrically disposed at the inner edge of the protection plate 404, a limit chute 403 matching with the elastic clips 408 is disposed on the inner side wall of the protection barrel 401, and a bayonet 409 penetrating through the side wall of the protection barrel 401 is further disposed in the limit chute 403.

Through setting up elastic clip and bayonet socket, can avoid the elasticity of spring together popping up protection shield and negative pressure heparin tube behind the protection shield compression spring, and then improved the result of use of product.

After the negative pressure blood collection tube is collected, the elastic clamp can be reversely pressed through the bayonet, so that the elastic clamp is pressed into the protection barrel, and the protection board can reset under the action of the spring.

Example 3

The difference between this embodiment and embodiment 2 is that the outer side wall of the protection barrel 401 is further provided with an outer elastic sheet 410 matching with the number and positions of the bayonets 409, and the outer elastic sheet 410 is further provided with a plug 411.

One end of the outer spring 410 is fixed with the protection barrel 401, and the other end covers the bayonet 409.

One end of the plug 411 is fixed on the outer elastic sheet 410, and the other end extends into the bayonet 409 until being flush with the bottom surface of the limit chute 403.

The outer elastic sheet and the plug are arranged, so that the difficulty that the elastic clip is reversely pressed can be further reduced, the convenience of product use is improved, and the use effect of the product is further improved.

It should be noted that all of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except mutually exclusive features and/or steps.

In addition, the foregoing detailed description is exemplary, and those skilled in the art, having the benefit of this disclosure, may devise various arrangements that, although not explicitly described herein, are within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims

1. The device for preventing puncture during blood collection comprises a blood collection needle consisting of a collection part (100), a hose (200) and a discharge part (300), and is characterized by also comprising a protection part (400) arranged on the blood collection needle; the collecting part (100), the hose (200) and the discharging part (300) are sequentially connected, and the protecting part (400) is arranged on the collecting part (100); the protection part (400) is composed of a protection barrel (401) with a backward opening, a spring (407) arranged in the protection barrel (401) and a protection plate (404) arranged in the protection barrel (401) and propped against the rear end of the spring (407).

2. The device for preventing stabbing injury during blood collection according to claim 1, wherein the discharging part (300) is composed of a connecting member (301), a discharging seat (302) connected to the connecting member (301), and a discharging needle (303) provided at the rear end of the discharging seat (302); the front end of the connecting piece (301) is connected with the hose (200).

3. The device for preventing stabbing injury during blood collection according to claim 2, wherein a front limit groove (402) is formed on the inner side of the front end surface of the protective barrel (401), and a rear limit groove (405) opposite to the front limit groove (402) is formed on the protective plate (404); the front end and the rear end of the spring (407) are respectively arranged in the front limit groove (402) and the rear limit groove (405), and the diameters of the front limit groove (402) and the rear limit groove (405) are matched with the diameter of the spring (407).

4. A device for preventing stabbing during blood collection according to claim 3, wherein the discharge seat (302) penetrates the front end surface of the protective barrel (401) from the center axis, and the discharge seat (302) is integrally fixed with the protective barrel (401).

5. A device for preventing puncture during blood collection according to claim 4, characterized in that the central axis of the protective plate (404) is provided with a through hole (406), the diameter of the through hole (406) being larger than the diameter of the discharge needle (303).

6. The device for preventing puncture injury during blood collection according to claim 5, wherein two 7-shaped elastic clips (408) are symmetrically arranged at the inner side edge of the protective plate (404), limiting sliding grooves (403) matched with the elastic clips (408) are arranged on the inner side wall of the protective barrel (401), and bayonets (409) penetrating through the side wall of the protective barrel (401) are further arranged in the limiting sliding grooves (403).

7. The device for preventing stabbing injury during blood collection according to claim 6, wherein an outer elastic sheet (410) which is matched with the number and the positions of the bayonets (409) is further arranged on the outer side wall of the protective barrel (401), and a plug (411) is further arranged on the outer elastic sheet (410).

8. The device for preventing puncture during blood collection according to claim 7, wherein one end of the outer elastic sheet (410) is fixed with the protective barrel (401) into a whole, and the other end covers the bayonet (409).

9. The device for preventing stabbing injury during blood collection according to claim 8, wherein one end of the plug (411) is fixed on the outer elastic sheet (410), and the other end extends into the bayonet (409) until the plug is flush with the bottom surface of the limit chute (403).