CN219166420U

CN219166420U - Pig front cavity blood sampling device convenient to use

Info

Publication number: CN219166420U
Application number: CN202223262877.7U
Authority: CN
Inventors: 传卫军; 李静静; 张景凯; 王转丽
Original assignee: Qingcheng Animal Disease Prevention And Control Center
Current assignee: Qingcheng Animal Disease Prevention And Control Center
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-06-13
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a convenient-to-use pig front cavity blood sampling device which comprises an outer sleeve and a blood sampling needle cylinder, wherein one side of the blood sampling needle cylinder is fixedly connected with a fixed ring, the side wall of the fixed ring is fixedly connected with a plurality of first springs, one end of the plurality of first springs, which is far away from the fixed ring, is fixedly connected with a same mounting ring, the mounting ring is fixedly connected with a fixed plate, the side wall of the outer sleeve is provided with an opening which is in sliding fit with the fixed plate, the fixed plate extends out of the opening, the outer wall of the outer sleeve is provided with a fixed component which is connected with the fixed plate, and one end of the blood sampling needle cylinder is detachably provided with a needle. Through removing the fixed plate, drive solid fixed ring and blood sampling cylinder and remove, make the fixed plate move the opening other end, through the restoring force effect of second spring, make the inserted bar insert in the jack, fix fixed plate and blood sampling cylinder, and then make blood sampling cylinder and syringe needle draw into the outer sleeve, protect the syringe needle, avoid the mistake to touch.

Description

Pig front cavity blood sampling device convenient to use

Technical Field

The utility model belongs to the technical field of pig front cavity blood sampling, and particularly relates to a pig front cavity blood sampling device convenient to use.

Background

Blood sampling of the anterior vena cava of a pig is a relatively difficult technique and requires relatively high skill in operation. The success of blood collection, apart from the accurate familiarity with the blood collection site, determines the blood collection rate and success or failure. The traditional fixing method is to fix the pig on the back and collect blood, one assistant grasps the two hind limbs, pulls the pig backwards as much as possible, the other assistant presses the mandible down by hand to make the head stick to the ground, and makes the two forelimbs basically vertical to the midline of the body, and then the pig forechamber blood collection is carried out through the blood collection needle cylinder.

The blood sampling needle cylinder in the prior art cannot effectively protect the needle head after blood sampling is completed, so that the needle head is easy to be interfered or pricked on an object in the carrying and transporting processes of the blood sampling needle cylinder, and collected blood is output after the influence.

Disclosure of Invention

In view of the above, the present utility model provides a pig front cavity blood sampling device which is convenient to use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a pig antechamber blood sampling device convenient to use, includes outer sleeve and blood taking needle cylinder, fixed ring one side fixedly connected with solid fixed ring, gu fixed ring lateral wall fixedly connected with a plurality of first springs, a plurality of gu fixed ring one end fixedly connected with same collar is kept away from to first spring, fixedly connected with fixed plate on the collar, outer sleeve lateral wall offered with fixed plate sliding fit's opening, the fixed plate extends the opening, outer sleeve outer wall is provided with the fixed subassembly that links to each other with the fixed plate, blood taking needle cylinder one end demountable installation has the syringe needle.

Preferably, a piston is arranged in the blood sampling needle cylinder, a pull rod is fixedly connected to the side wall of the piston, and the pull rod extends out of the blood sampling needle cylinder and is fixedly connected with a pull block.

Preferably, one end of the blood sampling needle cylinder is fixedly connected with a connecting pipe, the outer wall of the connecting pipe is provided with external threads, and one end of the needle head is provided with internal threads matched with the external threads.

Preferably, the fixed subassembly includes backup pad, inserted bar, fixed block and second spring, backup pad fixed connection is at the outer sleeve outer wall, the inserted bar slides and runs through the setting in the backup pad, the jack with inserted bar looks adaptation has been seted up to the fixed plate lateral wall, fixed block fixed connection is in inserted bar one end, the second spring cover is established in the inserted bar outside, second spring both ends respectively with backup pad and fixed block fixed connection.

Preferably, the fixing components are provided with two groups, and the two groups of fixing components are respectively positioned at the two ends of the opening.

Preferably, two limiting sliding blocks are fixedly connected to two sides of the mounting ring, and a sliding groove which is in sliding fit with the two limiting sliding blocks is formed in the inner wall of the outer sleeve.

Preferably, the outer sleeve is made of transparent plastic, and the outer wall of the outer sleeve is provided with anti-skid patterns.

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

1. through demountable installation's syringe needle, be convenient for change the syringe needle of different models, and then according to the size difference of pig, select and adapt.

2. Through removing the fixed plate, drive solid fixed ring and blood sampling cylinder and remove, make the fixed plate move the opening other end, through the restoring force effect of second spring, make the inserted bar insert in the jack, fix fixed plate and blood sampling cylinder, and then make blood sampling cylinder and syringe needle draw into the outer sleeve, protect the syringe needle, avoid the mistake to touch.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a convenient-to-use pig front cavity blood sampling device;

FIG. 2 is a schematic view of the inside of an outer sleeve of a porcine front cavity blood collection device according to the present utility model;

FIG. 3 is a schematic sectional view of a blood collection needle cylinder of a convenient-to-use porcine front cavity blood collection device according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of the porcine front cavity blood sampling device at a in fig. 1, which is convenient to use.

In the figure: 1. an outer sleeve; 2. a blood sampling needle cylinder; 3. a piston; 4. a pull rod; 5. pulling blocks; 6. a needle; 7. a fixing ring; 8. a first spring; 9. a mounting ring; 10. a fixing plate; 11. an opening; 12. a connecting pipe; 13. a support plate; 14. a rod; 15. a fixed block; 16. a second spring; 17. a jack; 18. a limit sliding block; 19. anti-skid lines.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a convenient-to-use pig front cavity blood sampling device comprises an outer sleeve 1 and a blood sampling needle cylinder 2, wherein the outer sleeve 1 is sleeved outside the blood sampling needle cylinder 2, the outer sleeve 1 is made of transparent plastic, and anti-skid patterns 19 are arranged on the outer wall of the outer sleeve 1. Be provided with piston 3 in the blood sampling cylinder 2, piston 3 lateral wall fixedly connected with pull rod 4, pull rod 4 extends blood sampling cylinder 2 and fixedly connected with pull block 5, blood sampling cylinder 2 one end demountable installation has syringe needle 6, before the blood sampling, first keep the pig, make the pig be in the normal position supine, two hind limbs are splayed and straighten, two forelimbs are tensile backward, the head is openly put, accomplish through several people assistance here, the left hand thumb of staff pushes down the chest entrance depression of pig, make syringe needle 6 follow the slant 45 of nail side and pierce, pull back pull block 5, make piston 3 remove, take a blood sample.

One end of the blood sampling needle cylinder 2 is fixedly connected with a connecting pipe 12, the outer wall of the connecting pipe 12 is provided with external threads, one end of a needle head 6 is provided with internal threads matched with the external threads, and the needle heads 6 of different types can be conveniently replaced through the detachably installed needle heads 6, and the needle heads 6 required to be used are different due to different sizes of pigs and different depths of anterior vena cava, and a needle head 6 with the size of 16#50mm is preferably selected for a sow; the pig with the weight of more than 30kg is preferably selected from 12#38mm needles; 10-30kg of piglets, optionally with 9#25mm needles.

Fixed ring 7 is fixedly connected with on one side of blood sampling needle cylinder 2, fixed ring 7 lateral wall fixedly connected with a plurality of first springs 8, fixed ring 7 one end fixedly connected with same collar 9 is kept away from to a plurality of first springs 8, fixedly connected with fixed plate 10 on the collar 9, fixed plate 10 sliding fit's opening 11 has been seted up with fixed plate 10 to outer sleeve 1 lateral wall, through removing fixed plate 10, drive fixed ring 7 and blood sampling needle cylinder 2 and remove, conveniently make blood sampling needle cylinder 2 and syringe needle 6 stretch out or draw in outer sleeve 1, cushion through a plurality of first springs 8, avoid blood sampling needle cylinder 2 to take place the rigid contact, fixed plate 10 extends opening 11.

The outer wall of the outer sleeve 1 is provided with a fixing component connected with the fixing plate 10, the fixing component comprises a supporting plate 13, an inserting rod 14, a fixing block 15 and a second spring 16, the supporting plate 13 is fixedly connected with the outer wall of the outer sleeve 1, the inserting rod 14 penetrates through the supporting plate 13 in a sliding mode, a jack 17 matched with the inserting rod 14 is formed in the side wall of the fixing plate 10, the fixing block 15 is fixedly connected with one end of the inserting rod 14, the second spring 16 is sleeved on the outer side of the inserting rod 14, two ends of the second spring 16 are fixedly connected with the supporting plate 13 and the fixing block 15 respectively, and the inserting rod 14 is inserted into the jack 17 through the restoring force of the second spring 16 to fix the fixing plate 10 and the blood sampling needle cylinder 2. The fixed components are provided with two groups, and the two groups of fixed components are respectively positioned at the two ends of the opening 11.

Two limiting sliding blocks 18 are fixedly connected to the two sides of the mounting ring 9, sliding grooves which are in sliding fit with the two limiting sliding blocks 18 are formed in the inner wall of the outer sleeve 1, and the blood sampling needle cylinder 2 is enabled to move stably through sliding fit of the two limiting sliding blocks 18 and the sliding grooves.

The principle of operation of the present utility model will now be described as follows: before blood sampling, firstly, the pig is kept in a normal position and supine position, two hind limbs are straightened in a splayed shape, two front limbs are stretched backwards, the head is provided with a front swinging end, the front swinging end is assisted by a plurality of people, the left thumb of a worker presses the chest cavity entrance depression of the pig, the position of the anti-skid pattern 19 of the outer sleeve 1 is held by the hand, the needle head 6 is penetrated by 45 degrees along the side face of the nail in an inclined way, the pull block 5 is pulled backwards, the piston 3 is moved, and blood sampling is carried out. After blood collection is completed, the fixing plate 10 is moved to drive the fixing ring 7 and the blood collection needle cylinder 2 to move, the fixing plate 10 is moved to the other end of the opening 11, the inserting rod 14 is inserted into the inserting hole 17 under the action of the restoring force of the second spring 16 to fix the fixing plate 10 and the blood collection needle cylinder 2, the blood collection needle cylinder 2 and the needle head 6 are further retracted into the outer sleeve 1, and the needle head 6 is protected from being touched by mistake.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a pig antechamber blood sampling device convenient to use, includes outer sleeve (1) and blood taking needle cylinder (2), its characterized in that, blood taking needle cylinder (2) one side fixedly connected with solid fixed ring (7), gu fixed ring (7) lateral wall fixedly connected with a plurality of first springs (8), a plurality of gu fixed ring (7) one end fixedly connected with same collar (9) are kept away from to first spring (8), fixedly connected with fixed plate (10) on collar (9), outer sleeve (1) lateral wall has offered opening (11) with fixed plate (10) sliding fit, opening (11) are extended to fixed plate (10), outer sleeve (1) outer wall is provided with the fixed subassembly that links to each other with fixed plate (10), blood taking needle (6) are installed in blood taking needle cylinder (2) one end demountable installation.

2. The pig front cavity blood sampling device convenient to use according to claim 1, wherein a piston (3) is arranged in the blood sampling needle cylinder (2), a pull rod (4) is fixedly connected to the side wall of the piston (3), and the pull rod (4) extends out of the blood sampling needle cylinder (2) and is fixedly connected with a pull block (5).

3. The porcine anterior chamber blood sampling device convenient to use according to claim 1, wherein one end of the blood sampling needle cylinder (2) is fixedly connected with a connecting pipe (12), an external thread is arranged on the outer wall of the connecting pipe (12), and an internal thread matched with the external thread is arranged at one end of the needle head (6).

4. The pig front cavity blood sampling device convenient to use according to claim 1, characterized in that the fixing component comprises a supporting plate (13), an inserting rod (14), a fixing block (15) and a second spring (16), wherein the supporting plate (13) is fixedly connected to the outer wall of the outer sleeve (1), the inserting rod (14) is arranged on the supporting plate (13) in a sliding penetrating mode, a jack (17) matched with the inserting rod (14) is formed in the side wall of the fixing plate (10), the fixing block (15) is fixedly connected to one end of the inserting rod (14), the second spring (16) is sleeved on the outer side of the inserting rod (14), and two ends of the second spring (16) are fixedly connected with the supporting plate (13) and the fixing block (15) respectively.

5. The convenient-to-use pig front cavity blood sampling device according to claim 1, wherein two groups of fixing components are arranged, and the two groups of fixing components are respectively positioned at two ends of the opening (11).

6. The pig front cavity blood sampling device convenient to use according to claim 1, wherein two limiting sliding blocks (18) are fixedly connected to two sides of the mounting ring (9), and sliding grooves which are in sliding fit with the two limiting sliding blocks (18) are formed in the inner wall of the outer sleeve (1).

7. The porcine anterior chamber blood collection device convenient to use according to claim 1, wherein the outer sleeve (1) is made of transparent plastic material, and anti-skid patterns (19) are arranged on the outer wall of the outer sleeve (1).