CN211883810U

CN211883810U - Human artery blood sample collector of type of preventing stabbing safely

Info

Publication number: CN211883810U
Application number: CN202020056077.1U
Authority: CN
Inventors: 张贝
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-01-12
Filing date: 2020-01-12
Publication date: 2020-11-10
Anticipated expiration: 2030-01-12

Abstract

The utility model discloses a human artery blood sample collector of type of preventing stinging safely, including blood taking needle tubing and syringe needle, still include first needle cap, second needle cap and third needle cap, the syringe needle sets up the tip at the blood taking needle tubing, syringe needle outer lane department is provided with first needle cap, first needle cap is connected with the cooperation of syringe needle cutting ferrule, second needle cap and third needle cap set up at the tip of blood taking needle tubing and be connected with blood taking needle tubing sliding fit, second needle cap and third needle cap set up the both sides at the syringe needle correspondingly. The first needle cap is taken down firstly, the second needle cap and the third needle cap are stirred to be far away from the needle head, the needle head is inserted into an artery to collect blood samples, the second needle cap and the third needle cap are closed towards the needle head after the blood samples are collected, the second needle cap and the third needle cap are tightly closed towards the needle head, the needle head is tightly fastened, the needle head is sleeved back, the situation that hands are close to the tip end of the needle head is avoided, the needle head is sleeved back on the side face of the needle head, and the puncture can be avoided.

Description

Human artery blood sample collector of type of preventing stabbing safely

Technical Field

The utility model relates to the technical field of medical equipment, specifically a human artery blood sample collector of type of preventing stinging safely.

Background

Arterial blood sampling is mainly used for blood gas analysis examination, understanding the oxygen supply and acid-base balance of the body, and is also one of important indexes for rescuing critical patients and monitoring in operation. The indications for blood gas analysis mainly include: 1. the patients with respiratory failure provide basis for the diagnosis and treatment of respiratory insufficiency and acid-base imbalance. 2. The patient using mechanical ventilation may be instructed on adjustments to ventilator parameters. 3. Continued monitoring of the patient after cardiopulmonary resuscitation is useful for guiding further treatment.

The protection that the needle pricked always is the key point of hospital infection management, but present blood taking needle device only has a safety cover, and this kind of safety cover just need be got rid of before drawing blood, faithfully uses the needle-prick prevention device for paediatrics blood sampling that novel patent CN208065184U disclosed, through setting up the cylinder that shelters from, has reduced the chance that the human body contacted the syringe needle, has reduced the emergence that the needle pricked. However, the needle needs to be sleeved back after arterial blood is collected, so that medical waste recovery personnel is prevented from being punctured, the needle cap of the blood taking needle may be sleeved back sometimes in the injection process, and the needle head of the existing blood taking needle is small in diameter, so that needle puncture is very easy to happen, and therefore the safe puncture-preventing type human arterial blood sample collector is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent human artery blood sample collector of thorn type safely to when solving the current back needle cap of taking a blood sample back cover that proposes in the above-mentioned background art, take place the problem of stabbing easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a human artery blood sample collector of type of safely preventing stabbing, includes blood taking needle tubing and syringe needle, still includes first needle cap, second needle cap and third needle cap, the syringe needle sets up the tip at the blood taking needle tubing, syringe needle outer lane department is provided with first needle cap, first needle cap is connected with the cooperation of syringe needle cutting ferrule, second needle cap and third needle cap set up the tip at the blood taking needle tubing and be connected with blood taking needle tubing sliding fit, second needle cap and third needle cap set up the both sides at the syringe needle correspondingly, second needle cap and third needle cap all are provided with concave column structure in the one side of syringe needle, and first needle cap, second needle cap and third needle cap all slightly are longer than the syringe needle, the internal diameter of second needle cap and third needle cap is greater than the external diameter of syringe needle.

Preferably, the end of the blood taking needle tube is provided with a sliding chute.

Preferably, the second needle cap and the third needle cap are provided with sliding blocks at one ends connected with the blood taking needle tube, and the sliding blocks are integrally formed with the second needle cap and the third needle cap.

Preferably, the sliding block is arranged inside the sliding groove and is in sliding fit with the sliding groove.

Preferably, the second needle cap is provided with the side buckle in the one side of syringe needle, the third needle cap is provided with the side draw-in groove in the one side of syringe needle, side buckle and side draw-in groove are provided with a plurality of, side buckle and side draw-in groove one-to-one set up and form the joint cooperation each other.

Preferably, one of the ends of the second needle cap far away from the blood taking needle tube is provided with an end buckle, one of the ends of the third needle cap far away from the blood taking needle tube is provided with an end clamping groove, the end buckles are at least provided with two end clamping grooves in one-to-one correspondence, and the end buckles and the end clamping grooves mutually form clamping matching.

Compared with the prior art, the utility model provides a prevent human artery blood sample collector of thorn wound type safely possesses following beneficial effect:

1. through having designed second needle cap and third needle cap, be located the lateral part of syringe needle respectively, can follow the lateral part of syringe needle after the blood sampling and draw close to the centre slip, close each other at last, with the syringe needle parcel wherein, removed the operation through the sharp-end cover back of syringe needle from, the effectual problem of stabbing hand when having avoided the needle cap cover back.

2. Through designing mutual joint complex side buckle and side draw-in groove, end buckle and end draw-in groove for second needle cap and third needle cap closely fold and lock and die, the effectual needle cap that has avoided is not hard up, the problem that drops appears.

Drawings

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

fig. 2 is a bottom view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the working principle of the present invention;

FIG. 5 is an enlarged schematic view at B in FIG. 4;

fig. 6 is a schematic view of the present invention showing a partial structure;

in the figure: 1. a blood taking needle tube; 2. a needle head; 3. a first needle cap; 4. a second needle cap; 41. side buckle; 42. an end buckle, 5, a third needle cap; 51. a side card slot; 52. an end card slot; 6. a chute; 7. a slide block.

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.

As shown in fig. 1-6, the utility model provides a technical solution: the utility model provides a human artery blood sample collector of type of safely preventing stabbing, includes blood taking needle tube 1 and syringe needle 2, still includes first needle cap 3, second needle cap 4 and third needle cap 5, syringe needle 2 sets up the tip at blood taking

needle tube

1, 2 outer lane departments of syringe needle are provided with first needle cap 3, first needle cap 3 is connected with 2 cutting ferrule cooperations of syringe needle, second needle cap 4 and third needle cap 5 set up at the tip of blood taking needle tube 1 and are connected with blood taking needle tube 1 sliding fit, second needle cap 4 sets up the both sides at syringe needle 2 with third needle cap 5 correspondingly, second needle cap 4 and third needle cap 5 all are provided with concave structure towards in the one side of syringe needle 2, and first needle cap 3, second needle cap 4 and third needle cap 5 all are slightly good at syringe needle 2, second needle cap 4 is greater than the external diameter of syringe needle 2 with the internal diameter of third needle cap 5. During the use, take off first needle cap 3 earlier, with second needle cap 4, third needle cap 5 stirs and keeps away from syringe needle 2, make it be located blood taking needle tube 1's lateral part, insert syringe needle 2 in the artery and carry out blood sample collection, twitch the pintle and accomplish the collection, take out syringe needle 2 afterwards, with second needle cap 4, third needle cap 5 is close to foldingly towards syringe needle 2, pressing close to the straining with it, accomplish the back of needle 2, avoided the tip position that the staff is close to syringe needle 2, can accomplish the back of covering in the side of syringe needle 2, can avoid the emergence of stabbing, can the personnel form good protection.

Referring to fig. 1, in order to facilitate the clamping connection of the second needle cap 4 and the third needle cap 5, a chute 6 is provided at the end of the lancet needle tube 1.

Referring to fig. 6, in order to facilitate the connection and movement of the second needle cap 4 and the third needle cap 5 with the blood collection needle tube 1, the sliding blocks 7 are respectively disposed on the ends of the second needle cap 4 and the third needle cap 5 connected with the blood collection needle tube 1, and the sliding blocks 7 are integrally formed with the second needle cap 4 and the third needle cap 5.

Referring to fig. 4-5, in order to facilitate the flexible movement of the second cap 4 and the third cap 5 with the lancet needle tube 1, the sliding block 7 is disposed inside the sliding slot 6 and is in sliding fit with the sliding slot 6.

Referring to fig. 4-6, in order to facilitate the second needle cap 4 and the third needle cap 5 to be tightly attached to each other and avoid the situation of loosening and falling, a side buckle 41 is disposed on one surface of the second needle cap 4 facing the needle head 2, a side clamping groove 51 is disposed on one surface of the third needle cap 5 facing the needle head 2, a plurality of side buckles 41 and side clamping grooves 51 are disposed, and the side buckles 41 and the side clamping grooves 51 are disposed in one-to-one correspondence and form clamping fit with each other.

Referring to fig. 4-6, in order to facilitate the second needle cap 4 and the third needle cap 5 to be tightly attached to each other and avoid the loosening and falling, an end fastener 42 is disposed at one end of the second needle cap 4 away from the blood collection needle tube 1, an end fastening slot 52 is disposed at one end of the third needle cap 5 away from the blood collection needle tube 1, at least two end fasteners 42 are disposed and correspond to the end fastening slots 52 one to one, and the end fasteners 42 and the end fastening slots 52 form a fastening fit with each other.

The working principle is as follows: during the use, take off first needle cap 3 earlier, with second needle cap 4, third needle cap 5 stirs and keeps away from syringe needle 2, make it be located blood taking needle tube 1's lateral part, insert syringe needle 2 in the artery and carry out blood sample collection, twitch the pintle and accomplish the collection, take out syringe needle 2 afterwards, with second needle cap 4, third needle cap 5 is close to foldingly towards syringe needle 2, pressing close to the straining with it, accomplish the back of needle 2, avoided the tip position that the staff is close to syringe needle 2, can accomplish the back of covering in the side of syringe needle 2, can avoid the emergence of stabbing, can the personnel form good protection. The second needle cap 4 and the third needle cap 5 lean against the sliding of the sliding block 7 in the sliding groove 6 to realize the movement on the blood taking needle tube 1, the side buckle 41, the side clamping groove 51, the end buckle 42 and the end clamping groove 52 are in one-to-one correspondence with each other and can be tightly clamped, so that the second needle cap 4 and the third needle cap 5 are fixed, and the loosening and falling conditions cannot occur.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a human artery blood sample collector of stab-resistant type is prevented safely, includes blood taking needle tubing (1) and syringe needle (2), its characterized in that: also comprises a first needle cap (3), a second needle cap (4) and a third needle cap (5), the needle head (2) is arranged at the end part of the blood taking needle tube (1), a first needle cap (3) is arranged at the outer ring of the needle head (2), the first needle cap (3) is connected with the needle head (2) in a clamping sleeve matching way, the second needle cap (4) and the third needle cap (5) are arranged at the end part of the blood taking needle tube (1) and are connected with the blood taking needle tube (1) in a sliding matching way, the second needle cap (4) and the third needle cap (5) are correspondingly arranged at two sides of the needle head (2), the surfaces of the second needle cap (4) and the third needle cap (5) facing the needle head (2) are respectively provided with an inward concave structure, the first needle cap (3), the second needle cap (4) and the third needle cap (5) are respectively slightly longer than the needle head (2), the inner diameters of the second needle cap (4) and the third needle cap (5) are larger than the outer diameter of the needle head (2).

2. The safe puncture-proof human artery blood sample collector as claimed in claim 1, wherein: the end surface of the blood taking needle tube (1) is provided with a chute (6).

3. A safe puncture-proof human artery blood sample collector as claimed in claim 2, wherein: the needle is characterized in that a sliding block (7) is arranged at one end of each of the second needle cap (4) and the third needle cap (5) connected with the blood taking needle tube (1), and the sliding block (7) is integrally formed with the second needle cap (4) and the third needle cap (5).

4. A safe puncture-proof human artery blood sample collector as claimed in claim 3, wherein: the sliding block (7) is arranged inside the sliding groove (6) and is in sliding fit with the sliding groove (6).

5. The safe puncture-proof human artery blood sample collector as claimed in claim 1, wherein: second needle cap (4) are provided with side buckle (41) towards in the one side of syringe needle (2), third needle cap (5) are provided with side draw-in groove (51) towards in the one side of syringe needle (2), side buckle (41) and side draw-in groove (51) are provided with a plurality of, side buckle (41) and side draw-in groove (51) one-to-one set up and form the joint cooperation each other.

6. The safe puncture-proof human artery blood sample collector as claimed in claim 1, wherein: one of the second needle cap (4) far away from the blood taking needle tube (1) is provided with an end buckle (42), one of the third needle cap (5) far away from the blood taking needle tube (1) is provided with an end clamping groove (52), the end buckle (42) is at least provided with two and end clamping grooves (52) in one-to-one correspondence, and the end buckle (42) and the end clamping groove (52) mutually form a clamping fit.