CN214906988U

CN214906988U - Artery cannula for animal experiments

Info

Publication number: CN214906988U
Application number: CN202120061260.5U
Authority: CN
Inventors: 罗海; 彭晖
Original assignee: Hunan University of Medicine
Current assignee: Hunan University of Medicine
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-11-30
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses an artery intubate for animal experiments relates to the spacing technical field of pipeline. The utility model discloses an arc plate and stop device, the equal fixedly connected with elasticity cloth in both ends of arc plate, the one end fixedly connected with rubber slab of arc plate is kept away from to two elasticity cloth, one side that the rubber slab was kept away from to the arc plate is equipped with stop device, stop device includes the support frame, the bottom and the arc plate fixed connection of support frame, the one end that the arc plate was kept away from to the support frame is rotated and is connected with the fixed block, one side fixedly connected with pipe of support frame is kept away from to the fixed block, the inner wall sliding connection of pipe has the needle tubing, the arc surface fixedly connected with stopper of pipe. The utility model provides a spacing effect between intubate and the dog leg relatively poor, the dog moves about can influence medical personnel to the normal use of intubate when drawing blood, greatly reduced intubate availability factor's problem.

Description

Artery cannula for animal experiments

Technical Field

The utility model relates to a spacing technical field of pipeline, concretely relates to artery intubate for animal experiments.

Background

Pipelines are devices for conveying gas, liquid or fluid with solid particles which are connected by pipes, pipe connectors, valves and the like, have wide application range and are mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, water conservancy projects and various industrial devices.

The intubate is also one kind of pipeline, when carrying out scientific experiment to the animal, generally need insert animal shank femoral artery department with the intubate and draw blood the inspection, and when drawing blood the inspection to the less animal of somatotype such as dog, because spacing effect between intubate and the dog leg is relatively poor, the dog moves about can influence medical personnel to the normal use of intubate when drawing blood, greatly reduced the availability factor of intubate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: poor for solving spacing effect between intubate and the dog leg, the dog moves about when drawing blood and can influence medical personnel to the normal use of intubate, greatly reduced intubate availability factor's problem, the utility model provides an artery intubate for animal experiments.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: an artery cannula for animal experiments comprises an arc plate and a limiting device, wherein two ends of the arc plate are fixedly connected with elastic cloths, one end of each elastic cloth, which is far away from the arc plate, is fixedly connected with a rubber plate, one side of the arc plate, which is far away from the rubber plate, is provided with the limiting device, the limiting device comprises a support frame, the bottom end of the support frame is fixedly connected with the arc plate, one end of the support frame, which is far away from the arc plate, is rotatably connected with a fixed block, one side of the fixed block, which is far away from the support frame, is fixedly connected with a round tube, the inner wall of the round tube is slidably connected with a needle tube, the arc surface of the round tube is fixedly connected with a limiting block, one side of the limiting block, which is far away from the round tube, is provided with a clamping groove, the arc surface of the arc plate is fixedly connected with a fixed plate, one side of the fixed plate, which is close to the round tube, is fixedly connected with a first spring, one end of the first spring, which is far away from the fixed plate, is fixedly connected with a clamping block, the size of the clamping block is matched with that of the clamping groove.

Furthermore, a pull rod is fixedly connected to one side, away from the limiting block, of the clamping block, and one end, away from the clamping block, of the pull rod penetrates through the fixing plate in a sliding mode.

Further, two chutes are evenly seted up on the inner wall of pipe, the inner wall sliding connection of spout has the slider, the slider is kept away from the one end fixedly connected with slide pipe of spout inner wall, the inner wall and the needle tubing fixed connection of slide pipe.

Further, the arc surface of rubber slab is equipped with storage device, storage device includes the hinge, the surface and the rubber slab fixed connection of hinge, the even fixedly connected with three sponge piece in surface of hinge, one side sliding connection that the hinge was kept away from to the sponge piece has the grip block, the grip block is close to two second springs of the even fixedly connected with in one side of hinge, the one end and the hinge fixed connection that the grip block was kept away from to the second spring.

Furthermore, the inside sliding connection of second spring has the gag lever post, the one end and the hinge fixed connection of gag lever post, the one end that the hinge was kept away from to the gag lever post slides and passes the grip block.

Furthermore, the arc surface of the rubber plate is fixedly connected with an elastic bandage, and the size of the elastic bandage is matched with that of the hinge.

The utility model has the advantages as follows:

1. the utility model is provided with the limiting device, when the dog leg is required to be inserted into the cannula for blood extraction, the arc plate and the rubber plate are firstly pulled to move towards the direction away from each other, then the arc plate and the rubber plate are simultaneously sleeved on the dog leg, after the position of the arc plate is adjusted, the arc plate and the rubber plate are loosened, at the moment, the arc plate can move towards the direction close to the rubber plate under the pulling force of the elastic cloth, at the moment, the arc plate can be fixed on the dog leg, then the pull rod is pulled to drive the clamping block to move towards the direction away from the limiting block by the pull rod, then the circular pipe is rotated by the aid of the fixing block and the supporting frame, after the circular pipe rotates to the position of the artery of the strand corresponding to the dog leg, the pull rod is loosened, at the moment, the first spring can give an elastic force to the clamping block, the clamping block is clamped into the clamping groove of the limiting block again, the effect of fixing the circular pipe position is achieved, then carry the slide tube with the needle tubing and slide in along the inside wall of the round tube, the slide tube slides along the inner wall of the sliding groove with the help of two sliders this moment, then prick the needle tubing into the femoral artery position of dog leg along the round tube, the effect of limiting the needle tubing moving position is reached, wherein the pull rod has played the effect of conveniently moving the fixture block, the sliding groove and the slider play the effect of limiting the rotation of the needle tubing, the problem of poor limiting effect between the cannula and the dog leg is solved, the normal use of the cannula by medical personnel can be influenced by the disorder of the dog when blood is drawn, and the problem of cannula use efficiency is greatly reduced.

2. The utility model discloses a set up storage device, when needing to carry out artery blood sampling experiment to the bull dog, utilize stop device to draw arterial blood to the dog after, take out the needle tubing from the pipe inner wall, inject in the test tube, then stimulate the grip block, make the grip block move to the direction of keeping away from the sponge piece, then put the test tube between grip block and sponge piece, loosen the grip block again, the second spring can give the grip block a pulling force at this moment, make the grip block move to the direction of being close to the sponge piece, the grip block can fix the test tube on the sponge piece surface, the effect of fixed test tube position has been reached, then rotate the hinge, the hinge drives the test tube and rotates, then stimulate the elastic bandage, then overturn the hinge to between rubber slab and the elastic bandage, then loosen the elastic bandage, the elastic bandage can tie the hinge on the rubber slab at this moment, the effect of taking in has been reached to the test tube, when needs draw blood to next dog, pulling elastic bandage reappears the hinge and overturns, fixes the test tube with the same operation gimmick and accomodates, when having solved stop device and drawing blood the inspection to bull dog, inconvenient test tube to being equipped with blood concentrates fixed and accomodate, has reduced the problem that the intubate used.

Drawings

Fig. 1 is a schematic perspective view of an arterial cannula for animal experiments according to the present invention;

fig. 2 is a schematic structural view of the arterial cannula limiting device for animal experiments;

fig. 3 is a partially disassembled schematic view of the arterial cannula limiting device for animal experiments according to the present invention;

fig. 4 is a schematic structural view of the arterial cannula accommodating device for animal experiments according to the present invention;

reference numerals: 1. a circular arc plate; 2. an elastic cloth; 3. a rubber plate; 4. a limiting device; 401. a support frame; 402. a fixed block; 403. a circular tube; 404. a limiting block; 405. a card slot; 406. a clamping block; 407. a first spring; 408. a fixing plate; 409. a pull rod; 410. a chute; 411. a slide pipe; 412. a slider; 5. a needle tube; 6. a storage device; 61. a hinge; 62. a sponge block; 63. a clamping plate; 64. a second spring; 65. a limiting rod; 66. an elastic bandage.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, an embodiment of the utility model provides an artery cannula for animal experiments, including circular arc board 1 and stop device 4, the equal fixed connection elasticity cloth 2 in both ends of circular arc board 1, the one end fixedly connected with rubber slab 3 of circular arc board 1 is kept away from to two elasticity cloths 2, and one side that rubber slab 3 was kept away from to circular arc board 1 is equipped with stop device 4.

The specific arrangement and function of the position-limiting device 4 and the receiving device 6 will be described in detail below.

As shown in fig. 2 and 3, the limiting device 4 includes a supporting frame 401, a bottom end of the supporting frame 401 is fixedly connected to the arc plate 1, one end of the supporting frame 401 far away from the arc plate 1 is rotatably connected to a fixing block 402, one side of the fixing block 402 far away from the supporting frame 401 is fixedly connected to a circular tube 403, an inner wall of the circular tube 403 is slidably connected to a needle tube 5, an arc surface of the circular tube 403 is fixedly connected to a limiting block 404, one side of the limiting block 404 far away from the circular tube 403 is provided with a slot 405, an arc surface of the arc plate 1 is fixedly connected to a fixing plate 408, one side of the fixing plate 408 near the circular tube 403 is fixedly connected to a first spring 407, one end of the first spring 407 far away from the fixing plate 408 is fixedly connected to a fixture block 406, the size of the fixture block 406 is matched with the size of the slot 405, one side of the fixture 406 far away from the limiting block 404 is fixedly connected to a pull rod 409, one end of the pull rod far away from the fixture 406 slides through the fixing plate 408, and the inner wall of the circular tube 403 is uniformly provided with two sliding grooves 410, the inner wall of the sliding chute 410 is connected with a sliding block 412 in a sliding manner, one end of the sliding block 412 far away from the inner wall of the sliding chute 410 is fixedly connected with a sliding tube 411, and the inner wall of the sliding tube 411 is fixedly connected with the needle tube 5.

The whole limiting device 4 has the effects that by arranging the limiting device 4, when the leg of a dog needs to be inserted into an intubation tube for blood extraction, the arc plate 1 and the rubber plate 3 are pulled firstly, the arc plate 1 and the rubber plate 3 are moved in the direction away from each other, then the arc plate 1 and the rubber plate 3 are simultaneously sleeved on the leg of the dog, after the position of the arc plate 1 is adjusted, the arc plate 1 and the rubber plate 3 are loosened, at the moment, the arc plate 1 is pulled by the elastic cloth 2 to move in the direction close to the rubber plate 3, at the moment, the arc plate 1 is fixed on the leg of the dog, then the pull rod 409 is pulled, the pull rod 409 drives the clamping block 406 to move in the direction away from the limiting block 404, then the circular tube 403 is rotated, the circular tube 403 rotates by means of the fixing block 402 and the supporting frame 401, after the circular tube 403 rotates to the position corresponding to the femoral artery of the dog leg, the pull rod 409 is loosened, at the moment, the first spring 407 gives elasticity to the clamping block 406, the clamping block 406 is clamped into the clamping groove 405 of the limiting block 404 again, the effect of fixing the position of the circular tube 403 is achieved, then the needle tube 5 is carried with the sliding tube 411 to slide in along the inner wall of the circular tube 403, the sliding tube 411 slides along the inner wall of the sliding groove 410 with the help of the two sliding blocks 412 at the moment, then the needle tube 5 is pricked into the femoral artery position of the dog leg along the circular tube 403, the effect of limiting the moving position of the needle tube 5 is achieved, the pull rod 409 has the effect of conveniently moving the clamping block 406, the sliding groove 410 and the sliding blocks 412 have the effect of limiting the rotation of the needle tube 5, the problem that the limiting effect between the cannula and the dog leg is poor is solved, the normal use of medical workers to the cannula can be affected by the dog disordering when blood is drawn, and the use efficiency of the cannula is greatly reduced.

As shown in fig. 1 and 4, the storage device 6 is arranged on the arc surface of the rubber plate 3, the storage device 6 includes a hinge 61, the surface of the hinge 61 is fixedly connected with the rubber plate 3, three sponge blocks 62 are uniformly and fixedly connected to the surface of the hinge 61, one side of each sponge block 62 far away from the hinge 61 is slidably connected with a clamping plate 63, one side of each clamping plate 63 close to the hinge 61 is uniformly and fixedly connected with two second springs 64, one end of each second spring 64 far away from the clamping plate 63 is fixedly connected with the hinge 61, the inner portion of each second spring 64 is slidably connected with a limiting rod 65, one end of each limiting rod 65 is fixedly connected with the hinge 61, one end of each limiting rod 65 far away from the hinge 61 slides to pass through the clamping plate 63, an elastic bandage 66 is fixedly connected to the arc surface of the rubber plate 3, and the size of the elastic bandage 66 is matched with the size of the hinge 61.

The whole storage device 6 achieves the effects that by arranging the storage device 6, when a multi-head dog needs to be subjected to arterial blood drawing experiments, after arterial blood is drawn from the dog by using the limiting device 4, the needle tube 5 is drawn out of the inner wall of the circular tube 403 and injected into a test tube, then the clamping plate 63 is pulled, the clamping plate 63 moves towards the direction far away from the sponge block 62, then the test tube is placed between the clamping plate 63 and the sponge block 62, then the clamping plate 63 is loosened, at the moment, the second spring 64 can give a pulling force to the clamping plate 63, the clamping plate 63 moves towards the direction close to the sponge block 62, the clamping plate 63 can fix the test tube on the surface of the sponge block 62, the effect of fixing the position of the test tube is achieved, then the hinge 61 is rotated, the hinge 61 drives the test tube to rotate, then the elastic bandage 66 is pulled, then the hinge 61 is overturned between the rubber plate 3 and the elastic bandage 66, and then the elastic bandage 66 is loosened, elastic bandage 66 can be tightened hinge 61 on rubber sheet 3 this moment, has reached the effect of accomodating the test tube, when needs draw blood to next dog, pulling elastic bandage 66 reappears hinge 61 and overturns, fixes the test tube with the same operation gimmick and accomodates, when having solved stop device 4 and drawing blood the inspection to the bull dog, inconvenient fixing and accomodating are concentrated to the test tube that is equipped with blood, has reduced the problem that the intubate used.

Claims

1. The utility model provides an artery cannula for animal experiments, which is characterized in that, includes circular arc board (1), fixture block (406) and stop device (4), the equal fixedly connected with elasticity cloth (2) in both ends of circular arc board (1), the one end fixedly connected with rubber slab (3) of circular arc board (1) are kept away from to two elasticity cloth (2), one side that rubber slab (3) were kept away from to circular arc board (1) is equipped with stop device (4), stop device (4) include support frame (401), the bottom and circular arc board (1) fixed connection of support frame (401), the one end rotation that circular arc board (1) were kept away from to support frame (401) is connected with fixed block (402), one side of fixed block (402) is equipped with pipe (403), the inner wall sliding connection of pipe (403) has needle tubing (5), the arc surface fixedly connected with stopper (404) of pipe (403), draw-in groove (405) have been seted up to one side that stopper (404) kept away from pipe (403), the arc surface fixedly connected with fixed plate (408) of circular arc board (1), fixed plate (408) are close to first spring (407) of one side fixedly connected with of pipe (403).

2. The animal experiment artery cannula as claimed in claim 1, wherein a pull rod (409) is fixedly connected to a side of the fixture block (406) far away from the limiting block (404), one end of the pull rod (409) far away from the fixture block (406) slides through the fixing plate (408), and one end of the first spring (407) far away from the fixing plate (408) is fixedly connected with the fixture block (406).

3. The animal experiment artery cannula according to claim 1, wherein two sliding grooves (410) are uniformly formed in the inner wall of the circular tube (403), a sliding block (412) is slidably connected to the inner wall of each sliding groove (410), a sliding tube (411) is fixedly connected to one end, far away from the inner wall of each sliding groove (410), of each sliding block (412), and the inner wall of each sliding tube (411) is fixedly connected with the needle tube (5).

4. The animal experiment artery cannula according to claim 1, characterized in that a storage device (6) is arranged on the arc surface of the rubber plate (3), the storage device (6) comprises a hinge (61), the surface of the hinge (61) is fixedly connected with the rubber plate (3), three sponge blocks (62) are uniformly and fixedly connected with the surface of the hinge (61), one side, far away from the hinge (61), of each sponge block (62) is slidably connected with a clamping plate (63), one side, close to the hinge (61), of each clamping plate (63) is uniformly and fixedly connected with two second springs (64), and one end, far away from the clamping plate (63), of each second spring (64) is fixedly connected with the hinge (61).

5. The animal experiment artery cannula as claimed in claim 4, wherein a limiting rod (65) is slidably connected inside the second spring (64), one end of the limiting rod (65) is fixedly connected with the hinge (61), and one end of the limiting rod (65) far away from the hinge (61) slidably penetrates through the clamping plate (63).

6. The animal experiment artery cannula as claimed in claim 1, wherein an elastic bandage (66) is fixedly connected to the circular arc surface of the rubber plate (3), and the size of the elastic bandage (66) is matched with that of the hinge (61).