CN208435656U - A kind of more test tube blood sampling devices - Google Patents

Abstract

The utility model relates to technical field of medical equipment, more particularly to a kind of more test tube blood sampling devices, including needle tubing and vacuum blood collection tube, sliding slot is equipped in the left and right sidewall of needle tubing, sliding slot is equipped with draw runner, the inside of sliding slot is equipped with curved baffle, the outer wall of curved baffle is connected with moving sheet by intermediate mass, syringe needle is equipped at center on the upside of needle tubing, the side wall of needle tubing lower part is equipped with positioning plate, the bottom surface of needle tubing is equipped with connecting tube, and in connecting tube insertion drainage tube, vacuum blood collection tube is divided into three groups and is arranged in around drainage tube.The utility model structure is simple and convenient to operate, low manufacture cost, can timely and effectively carry out surrounding protection to syringe needle after taking a blood sample to patient, prevent the remaining bloodstain misconnection of syringe needle from contacting medical staff, cause the cross-infection of bacterium；It can be diverted in multiple vacuum blood collection tubes in blood collection procedure, be sampled convenient for subsequent detection.

Description

A kind of more test tube blood sampling devices

Technical field

The utility model relates to technical field of medical equipment, more particularly to a kind of more test tube blood sampling devices.

Background technique

In the medical field, medical staff is acquired by various means, obtains Human Physiology, pathological information, for correct It diagnoses the illness, wherein usually having following three kinds of approach for the acquisition of blood preparation: subcutaneous blood sampling, venous blood collection and artery are adopted Blood, wherein venous blood collection includes puncture needle, puncture needle tail end connecting conduit, conduit other end connection needle stand, the connection of needle stand outer end Blood taking needle.In use, venipuncture is implemented by puncture needle, and after puncturing successfully, by blood taking needle in piercing vacuum blood collection tube, Under the action of negative pressure, blood is drawn into heparin tube by puncture needle, conduit and blood taking needle；Repeatedly, it can be achieved that multitube The acquisition of blood specimen, blood sampling finish, and extract venipuncture needle, local hemostasis.

However syringe needle is still an exposure to outside after completing blood sampling, this is easy to stab medical staff, may Cause the cross-infection of medical staff, life-threatening safety.

Utility model content

(1) the technical issues of solving

The utility model aim is the shortcomings that overcoming the above-mentioned prior art, provides a kind of more test tube blood sampling devices.

(2) technical solution

1, a kind of more test tube blood sampling devices, including needle tubing and vacuum blood collection tube are equipped in the left and right sidewall of the needle tubing Sliding slot, the sliding slot are equipped with draw runner, and the inside of the sliding slot is equipped with curved baffle, and the outer wall of the curved baffle passes through centre Block is connected with moving sheet, and the downside of the moving sheet is equipped with locating rod vertically, and the lower end of the locating rod is hinged with gag lever post, institute The upper end for stating gag lever post is connected and fixed by the first spring with locating rod, and syringe needle is equipped at the center on the upside of the needle tubing, and Syringe needle is located at the inside in curved baffle composition space, and the side wall of the needle tubing lower part is equipped with positioning plate, sets on the positioning plate There is the location hole for locating rod and gag lever post grafting, is connected between the positioning plate and moving sheet by second spring, it is described Second spring is located at the inside of locating rod, and the bottom end of the connecting tube is connected with drainage tube, and the connecting tube is equipped with haemostatic valve, And in connecting tube insertion drainage tube, the vacuum blood collection tube is three groups and is arranged in around drainage tube.

Further, the inside of the needle tubing is set as blood sampling chamber, and the syringe needle and connecting tube are connected to blood sampling chamber respectively.

Further, the part of the connecting tube insertion drainage tube is set as helical structure.

Further, the width of the draw runner is less than the width of sliding slot and moving sheet, and the intermediate mass is arranged through draw runner.

Further, the arc-shaped setting in the bottom surface of the moving sheet, and setting is bonded to each other with the side wall of needle tubing.

Further, the upper side of the moving sheet is equipped with frictional layer.

(3) beneficial effect

A kind of more test tube blood sampling devices provided by the utility model, structure is simple and convenient to operate, low manufacture cost, right Timely and effectively syringe needle can be carried out to surround protection after patient's blood sampling, prevent the remaining bloodstain misconnection of syringe needle from contacting medical staff, Cause the cross-infection of bacterium；It can be diverted in multiple vacuum blood collection tubes in blood collection procedure, be sampled convenient for subsequent detection.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is a kind of structural schematic diagram of state of the utility model；

Fig. 2 is the enlarged diagram of A in Fig. 3；

Fig. 3 is the structural schematic diagram of the utility model another kind state；

Fig. 4 is the connection schematic diagram of the utility model sliding slot and moving sheet；

Fig. 5 is the schematic diagram of internal structure of the utility model drainage tube；

Fig. 6 is the enlarged diagram of B in the utility model Fig. 5；

In attached drawing, parts list represented by the reference numerals are as follows:

1- needle tubing, 2- vacuum blood collection tube, 3- curved baffle, 4- moving sheet, 5- syringe needle, 6- positioning plate, 7- second spring, 8- It takes a blood sample chamber, 9- connecting tube, 10- haemostatic valve, 11- drainage tube, 12- locating rod, 13- gag lever post, the first spring of 14-, among 15- Block, 16- sliding slot, 17- draw runner, 18- vacuum blood collection tube syringe needle, 19- conical head.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1 to 4, a kind of more test tube blood sampling devices, including needle tubing 1 and vacuum blood collection tube 2, the left and right of needle tubing 1 Be equipped with sliding slot 16 on side wall, sliding slot 16 is equipped with draw runner 17, and the inside of sliding slot 16 is equipped with curved baffle 3, curved baffle 3 it is outer Wall is connected with moving sheet 4 by intermediate mass 15, and the downside of moving sheet 4 is equipped with locating rod 12 vertically, and the lower end of locating rod 12 is hinged There is gag lever post 13, the upper end of gag lever post 13 is connected and fixed by the first spring 14 with locating rod 12, is set at the center of 1 upside of needle tubing There is syringe needle 5, and syringe needle 5 is located at the inside that curved baffle 3 forms space, the side wall of 1 lower part of needle tubing is equipped with positioning plate 6, fixed Position plate 6 is equipped with the location hole for 13 grafting of locating rod 12 and gag lever post, passes through the second bullet between positioning plate 6 and moving sheet 4 Spring 7 connects, and second spring 7 is located at the inside of locating rod 12, and the bottom surface of needle tubing 1 is equipped with connecting tube 9, and connecting tube 9 is equipped with hemostasis Valve 10, the insertion drainage tube 11 of connecting tube 9, the part that connecting tube 9 is inserted into drainage tube 11 are set as helical structure, and connecting tube 9 end be it is closed, connecting tube 9 be inserted into drainage tube 11 part be fixedly installed connection vacuum blood collection tube 2 vacuum blood collection Pipe syringe needle 18,18 upper end of vacuum blood collection tube syringe needle are provided with conical head 19, are provided with circular port on conical head, conical head 19 and true Empty 2 grafting of heparin tube, vacuum blood collection tube 2 divide for around three groups of drainage tubes being separately positioned on 11.

The inside of needle tubing 1 is set as blood sampling chamber 8, and syringe needle 5 and connecting tube 9 are connected to blood sampling chamber 8 respectively.

The width of draw runner 17 is less than the width of sliding slot 16 and moving sheet 4, and intermediate mass 15 is arranged through draw runner 17；Moving sheet 4 The arc-shaped setting in bottom surface, and be bonded to each other setting with the side wall of needle tubing 1；The upper side of moving sheet 4 is equipped with frictional layer, convenient for moving Movable plate 4 is steadily move freely in sliding slot 16, guarantees the validity of work.

The course of work of the utility model holds needle tubing 1, and the active force downward to moving sheet 4, moving sheet 4 can be along cunnings Slot 16 moves down, during locating rod 12 and gag lever post 13 are plugged on location hole, the compression of the first spring 14, and then locating rod 12 run through location hole, the rebound of the first spring 14, the angle increase of gag lever post 13 and locating rod 12, gag lever post with gag lever post 13 simultaneously 13 contradict on positioning plate 6, have locked the position of moving sheet 4, and curved baffle 3 is accommodated in sliding slot 16 at this time, and injector head 5 is sudden and violent Expose, medical staff can blood was collected to patient, and blood flows into connecting tube 9, then flows into vacuum blood collection by conical head 19 In pipe 2；After the completion of blood sampling, gag lever post 13 is pressed, so that gag lever post 13 and locating rod 12 is passed through location hole, in the work of second spring 7 Under firmly, moving sheet 4 is moved up, and curved baffle 3 stretches out outside sliding slot 16, and is centered around around syringe needle 5, is protected.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Specific features described in conjunction with this embodiment or example, structure, material live feature be contained in the utility model at least one In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, does not limit the specific embodiment that the utility model is only yet.Obviously, according to this specification Content, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, be in order to preferably explain The principles of the present invention and practical application, so that skilled artisan be enable to better understand and utilize this practical It is novel.The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. a kind of more test tube blood sampling devices, including needle tubing and vacuum blood collection tube, which is characterized in that in the left and right sidewall of the needle tubing It is equipped with sliding slot, the sliding slot is equipped with draw runner, and the inside of the sliding slot is equipped with curved baffle, and the outer wall of the curved baffle is logical It crosses intermediate mass and is connected with moving sheet, the downside of the moving sheet is equipped with locating rod vertically, and the lower end of the locating rod is hingedly limited Position bar, the upper end of the gag lever post are connected and fixed by the first spring with locating rod, and needle is equipped at the center on the upside of the needle tubing Head, and syringe needle is located at the inside in curved baffle composition space, and the side wall of the needle tubing lower part is equipped with positioning plate, the positioning Plate is equipped with the location hole for locating rod and gag lever post grafting, is connected between the positioning plate and moving sheet by second spring It connects, the second spring is located at the inside of locating rod, and the bottom surface of the needle tubing is equipped with connecting tube, and the connecting tube is equipped with hemostasis Valve, and in connecting tube insertion drainage tube, the vacuum blood collection tube is divided into three groups and is arranged in around drainage tube.

2. a kind of more test tube blood sampling devices according to claim 1, which is characterized in that the inside of the needle tubing is set as taking a blood sample Chamber, the syringe needle and connecting tube are connected to blood sampling chamber respectively.

3. a kind of more test tube blood sampling devices according to claim 1, which is characterized in that the connecting tube insertion drainage tube Part is set as helical structure.

4. a kind of more test tube blood sampling devices according to claim 1, which is characterized in that the width of the draw runner is less than sliding slot With the width of moving sheet, the intermediate mass is arranged through draw runner.

5. a kind of more test tube blood sampling devices according to claim 1, which is characterized in that the bottom surface of the moving sheet is arc-shaped Setting, and setting is bonded to each other with the side wall of needle tubing.

6. a kind of more test tube blood sampling devices according to claim 1, which is characterized in that the upper side of the moving sheet is equipped with Frictional layer.