CN215306103U - Specimen suction device for ENT department - Google Patents

Abstract

The utility model relates to the technical field of medical auxiliary appliances, and discloses a specimen suction device for ENT department, which comprises a suction tube, wherein a piston is arranged in the suction tube, the outer surface of the piston is in sliding connection with the inner wall of the suction tube, a push rod is fixed on the upper surface of the piston, the top end of the push rod penetrates through the upper surface of the suction tube and is fixed with a push plate, a first spring is sleeved on the outer surface of the push rod and between the upper surface of the suction tube and the lower surface of the push plate, clamping blocks are arranged on the left side and the right side of the push rod in the suction tube, a rotating shaft is fixed on the front surface of each clamping block, and the rotating shaft is rotationally connected with the inner wall of the suction tube. This sample suction means for ENT department, chucking piece can revolute the rotation of axes, and the restoring force through the second spring can make the frictional force of chucking piece and push rod carry on spacingly to the piston to need not set up the spacing groove on the push rod, thereby the dynamics is absorb in the regulation that can be more accurate, is favorable to the absorption of multiple sample material.

Description

Specimen suction device for ENT department

Technical Field

The utility model relates to the technical field of medical auxiliary appliances, in particular to a specimen suction device for ENT department.

Background

The five sense organs refer to five human organs, namely ears, eyebrows, eyes, noses and mouths, and the diseases of the five sense organs seriously affect the daily normal life of people. At present, when diagnosing diseases of the five sense organs, specimens of eyes, ears, noses, pharynx and oral cavities need to be extracted through tweezers or straws. Present straw class extractor comprises gasbag and straw mostly, and the gasbag is held between the fingers to the hand during use, inhales the straw with the sample through the negative pressure mode in, but at the in-process that uses this type of extractor, need continuously hold between the fingers the gasbag and remove the straw to the sample position, and the gasbag is held between the fingers for a long time and can arouse hand fatigue, and it is very inconvenient to use, and the inconvenient regulation of this type of extractor that has now in addition absorbs the dynamics, is unfavorable for the absorption of multiple sample material.

To the above disadvantage, the chinese authorized utility model discloses a number: CN210433497U discloses a specimen suction device for ENT department, which is characterized in that the shape of a limit groove is annular, the limit grooves are arranged at equal intervals in the axial direction of a piston rod, and the end parts of pin columns enter different limit grooves, so that the stretching degree of a first spring can be adjusted, and the suction force can be adjusted;

but above-mentioned prior art's structural design, when adjusting the suction force degree, can only carry on spacingly through the spacing groove that is equidistance interval arrangement on the piston rod, can not the accurate adjustment suction force degree, be unfavorable for the shortcoming that multiple sample material absorbs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the defects of the prior art in the background art, the present invention aims to provide a specimen suction device for ENT department, so as to solve the problems that some specimen suction devices for ENT department in the current market proposed in the background art can only perform spacing through spacing grooves arranged on a piston rod at equal intervals when adjusting suction force, can not accurately adjust suction force, and are not beneficial to suction of various specimen materials.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a specimen suction device for ENT department comprises a suction tube, a piston is arranged in the suction tube, the outer surface of the piston is connected with the inner wall of the suction tube in a sliding way, a push rod is fixed in the middle of the upper surface of the piston, the top end of the push rod penetrates through the middle of the upper surface of the suction tube and is fixed with a push plate, a first spring is sleeved on the outer surface of the push rod and between the upper surface of the suction tube and the lower surface of the push plate, the left side and the right side of the push rod, which are positioned in the suction tube, are provided with clamping blocks, the front of each clamping block is fixed with a rotating shaft, the front surface of the rotating shaft is rotationally connected with the inner wall of the front surface of the suction tube through a bearing, the back surface of the rotating shaft penetrates through the back surface of the clamping block and is rotationally connected with the inner wall of the back surface of the suction tube through a bearing, a second spring is fixed at the bottom end of one side of the clamping block, which is far away from the push rod, and one side of the second spring, which is far away from the clamping block, is fixed with the inner wall of the suction tube;

the top of suction tube left and right sides all is fixed with the fixed block, be provided with the cavity in the fixed block, be provided with the movable block in the cavity, one side middle part that the suction tube was kept away from to the movable block is fixed with according to the depression bar, the one end of keeping away from the movable block according to the depression bar runs through the fixed block and keeps away from one side of suction tube and is located the outside of fixed block, one side middle part that the movable block is close to the suction tube is fixed with the stripper bar, the one end that the movable block was kept away from to the stripper bar runs through the fixed block in proper order and the inner wall of suction tube and is located the inside of suction tube, the one end that the movable block was kept away from to the stripper bar is located the chucking block and keeps away from the top of push rod one side, the surface cover that the stripper bar is located the cavity is equipped with the third spring.

Preferably, the lower surface of the suction tube is fixed with a suction tube, and the suction tube is communicated with the suction tube.

Preferably, one end of the first spring is fixed with the lower surface of the push plate, and the other end of the first spring is fixed with the upper surface of the suction tube.

Preferably, a plurality of anti-slip teeth are fixed at the bottom end of one side of the clamping block close to the push rod, and the anti-slip teeth are in contact with the outer surface of the push rod.

Furthermore, the upper side and the lower side of the movable block are respectively contacted with the inner walls of the upper side and the lower side of the cavity, and the left side and the right side of the movable block are respectively contacted with the inner walls of the left side and the right side of the cavity.

Furthermore, a button is fixed at one end, far away from the movable block, of the pressing rod, and anti-skidding grains are fixed at one side, far away from the pressing rod, of the button.

Furthermore, one end of the third spring is fixed with one side of the movable block close to the suction tube, and the other end of the third spring is fixed with the inner wall of one side of the cavity close to the suction tube.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: this sample aspirator for ENT department:

(1) this sample suction means for ENT department, chucking piece can revolute the rotation of axes, and the restoring force through the second spring can make the frictional force of chucking piece and push rod carry on spacingly to the piston to need not set up the spacing groove on the push rod, thereby the dynamics is absorb in the regulation that can be more accurate, is favorable to the absorption of multiple sample material.

(2) This sample suction device for ENT department, press the button and can drive and press the depression bar removal, press the depression bar and drive the movable block removal, the movable block can drive the stripper bar at the in-process that removes and remove, the stripper bar can promote the top of chucking piece at the in-process that removes, and the bottom of chucking piece revolutes the axial and keeps away from one side rotation of push rod this moment to conveniently remove the spacing to the push rod.

Drawings

FIG. 1 is a schematic perspective view of a specimen aspirator for ENT department according to the present invention;

FIG. 2 is a schematic front sectional view of the specimen aspirator for ENT department according to the present invention;

FIG. 3 is an enlarged schematic view of the specimen aspirator for ENT department of FIG. 2 at the position A;

FIG. 4 is an enlarged schematic view of the specimen aspirator for ENT department of ophthalmology shown at B in FIG. 2;

FIG. 5 is a schematic structural view of a clamping block of the specimen suction device for ENT department of the present invention.

In the figure: 1. a suction tube; 2. a piston; 3. a push rod; 4. pushing the plate; 5. a first spring; 6. a clamping block; 7. a rotating shaft; 8. a second spring; 9. a fixed block; 10. a cavity; 11. a movable block; 12. a pressing lever; 13. an extrusion stem; 14. a third spring; 15. an extraction tube; 16. anti-slip teeth; 17. a button.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a specimen suction device for ENT department, which comprises a suction tube 1, a piston 2, a push rod 3, a push plate 4, a first spring 5, a clamping block 6, a rotating shaft 7, a second spring 8, a fixed block 9, a cavity 10, a movable block 11, a pressing rod 12, an extruding rod 13, a third spring 14, a suction tube 15, anti-slip teeth 16 and a button 17, wherein the suction tube 1 is internally provided with the piston 2, the outer surface of the piston 2 is slidably connected with the inner wall of the suction tube 1, the middle part of the upper surface of the piston 2 is fixed with the push rod 3, the top end of the push rod 3 penetrates through the middle part of the upper surface of the suction tube 1 and is fixed with the push plate 4, the push plate 4 can compress the first spring 5 in the moving process, the first spring 5 is sleeved on the outer surface of the push rod 3 and positioned between the upper surface of the suction tube 1 and the lower surface of the push plate 4, the push plate 4 can be driven to move by the restoring force of the first spring 5, the left side and the right side of the push rod 3, which are positioned inside the suction tube 1, are provided with clamping blocks 6, a rotating shaft 7 is fixed on the front side of each clamping block 6, the front side of each rotating shaft 7 is rotatably connected with the inner wall of the front side of the suction tube 1 through a bearing, the back side of each rotating shaft 7 penetrates through the back side of each clamping block 6 and is rotatably connected with the inner wall of the back side of the suction tube 1 through a bearing, a second spring 8 is fixed at the bottom end of one side, away from the push rod 3, of each clamping block 6, one side, away from the clamping blocks 6, of each second spring is fixed with the inner wall of the suction tube 1, each clamping block 6 can rotate around the corresponding rotating shaft 7, and the piston 2 can be limited by the friction force between each clamping block 6 and the push rod 3 through the restoring force of the second springs 8;

the top ends of the left side and the right side of the suction tube 1 are both fixed with a fixed block 9, a cavity 10 is arranged in the fixed block 9, a movable block 11 is arranged in the cavity 10, the movable block 11 can drive an extrusion rod 13 to move in the moving process, the middle part of one side of the movable block 11 far away from the suction tube 1 is fixed with a pressing rod 12, one end of the pressing rod 12 far away from the movable block 11 penetrates through one side of the fixed block 9 far away from the suction tube 1 and is positioned outside the fixed block 9, the middle part of one side of the movable block 11 near the suction tube 1 is fixed with an extrusion rod 13, one end of the extrusion rod 13 far away from the movable block 11 sequentially penetrates through the inner walls of the fixed block 9 and the suction tube 1 and is positioned inside the suction tube 1, one end of the extrusion rod 13 far away from the movable block 11 is positioned at the top end of one side of the clamping block 6 far away from the push rod 3, the extrusion rod 13 can push the top end of the clamping block 6 in the moving process, at the moment, the bottom end of the clamping block 6 rotates around a shaft 7 to one side far away from the push rod 3, the outer surface of the extrusion rod 13 in the cavity 10 is sleeved with a third spring 14, and the restoring force of the third spring 14 can drive the movable block 11 to restore to the original state;

as a preferred technical scheme of the utility model: the lower surface of the suction tube 1 is fixed with a suction tube 15, the suction tube 15 is communicated with the suction tube 1, and the suction tube 15 can be close to the position of a sample to better suck the sample;

as a preferred technical scheme of the utility model: one end of the first spring 5 is fixed with the lower surface of the push plate 4, the other end of the first spring 5 is fixed with the upper surface of the suction tube 1, and the two ends of the first spring 5 are respectively fixed with the push plate 4 and the suction tube 1, so that the first spring 5 can be prevented from moving during working;

as a preferred technical scheme of the utility model: a plurality of anti-slip teeth 16 are fixed at the bottom end of one side of the clamping block 6 close to the push rod 3, the anti-slip teeth 16 are in contact with the outer surface of the push rod 3, and the friction force between the clamping block 6 and the push rod 3 can be increased by arranging the anti-slip teeth 16, so that the clamping block 6 can better limit the push rod 3;

as a preferred technical scheme of the utility model: the upper side and the lower side of the movable block 11 are respectively contacted with the inner walls of the upper side and the lower side of the cavity 10, the left side and the right side of the movable block 11 are respectively contacted with the inner walls of the left side and the right side of the cavity 10, and the movable block 11 is contacted with the inner walls of the cavity 10, so that the inclination phenomenon can be avoided, and the movable block 11 can better slide in the cavity 10;

as a preferred technical scheme of the utility model: a button 17 is fixed at one end of the pressing rod 12, which is far away from the movable block 11, and anti-skidding lines are fixed at one side of the button 17, which is far away from the pressing rod 12, the button 17 is arranged to increase the contact area with the pressing rod 12, so that the pressing rod 12 can be operated, and the anti-skidding lines are arranged on the button 17 to better prevent skidding and avoid skidding during operation;

as a preferred technical scheme of the utility model: one end of the third spring 14 is fixed with one side of the movable block 11 close to the suction tube 1, the other end of the third spring 14 is fixed with the inner wall of one side of the cavity 10 close to the suction tube 1, and the two ends of the third spring 14 are fixed with the inner walls of the movable block 11 and the cavity 10 respectively, so that the third spring 14 can be prevented from displacing in the working process.

The working principle of the embodiment is as follows: when the sample suction device for the ENT department is used, as shown in figures 1-5, the whole device consists of a suction tube 1, a piston 2, a push rod 3, a push plate 4, a first spring 5, a clamping block 6, a rotating shaft 7, a second spring 8, a fixed block 9, a cavity 10, a movable block 11, a pressing rod 12, an extruding rod 13, a third spring 14, a suction tube 15, anti-skidding teeth 16 and a button 17, as shown in figures 1-5, when the device is used, the suction tube 1 is firstly grasped and the push plate 4 is pressed downwards, the first spring 5 can be compressed by the push plate 4 in the moving process, meanwhile, the push plate 4 can drive the push rod 3 to move, the push rod 3 can drive the bottom end of the clamping block 6 to rotate around the rotating shaft 7 to one side far away from the push rod 3 in the moving process, at the moment, the clamping block 6 drives the second spring 8 to compress, the anti-skidding teeth 16 are always contacted with the outer surface of the push rod 3, and the push plate 4 is released after being adjusted to a proper position, at the moment, the push rod 3 moves upwards, the bottom end of the clamping block 6 rotates to one side close to the push rod 3 around the rotating shaft 7, the clamping block 6 clamps the push rod 3 through the friction force between the anti-skidding teeth 16 and the push rod 3, at the moment, the first spring 5 is in a compressed state and positions the piston 2, then the pipe orifice of the suction tube 15 is close to the position of the specimen, the button 17 is pressed, the button 17 can drive the pressing rod 12 to move in the moving process, the pressing rod 12 drives the movable block 11 to move, the movable block 11 can drive the extrusion rod 13 to move in the moving process, the extrusion rod 13 can push the top end of the clamping block 6 in the moving process, at the moment, the bottom end of the clamping block 6 rotates to one side far away from the push rod 3 around the rotating shaft 7, meanwhile, the push plate 4 can be driven to move upwards through the restoring force of the first spring 5, and the push plate 4 can drive the push rod 3 to move in the moving process, the push rod 3 can drive the piston 2 to move in the moving process, the piston 2 can enable the suction tube 15 to generate negative pressure in the moving process, a specimen is sucked into the suction tube 15, the button 17 is loosened after the suction is finished, the movable block 11 can be driven to restore to the original state through the restoring force of the third spring 14, the working process of the whole device is the above process, and the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.

Claims (7)

1. The utility model provides a sample suction means for ENT department, includes suction tube (1), its characterized in that, be provided with piston (2) in suction tube (1), the surface of piston (2) and the inner wall sliding connection of suction tube (1), the upper surface middle part of piston (2) is fixed with push rod (3), the top of push rod (3) is run through the upper surface middle part of suction tube (1) and is fixed with push pedal (4), the surface of push rod (3) just is located and is equipped with first spring (5) between the lower surface of the upper surface of suction tube (1) and push pedal (4), push rod (3) are located the inside left and right sides of suction tube (1) and all are provided with chucking piece (6), the front of chucking piece (6) is fixed with pivot (7), the front of pivot (7) is passed through the bearing and is connected with the positive inner wall rotation of suction tube (1) through, the back of pivot (7) is run through the back of chucking piece (6) and is passed through the bearing and is with the back of suction tube (1) in the back The wall is rotatably connected, a second spring (8) is fixed at the bottom end of one side, away from the push rod (3), of the clamping block (6), and one side, away from the clamping block (6), of the second spring (8) is fixed with the inner wall of the suction tube (1);

the suction tube is characterized in that fixed blocks (9) are fixed at the top ends of the left side and the right side of the suction tube (1), a cavity (10) is arranged in the fixed blocks (9), movable blocks (11) are arranged in the cavity (10), a pressing rod (12) is fixed in the middle of one side, away from the suction tube (1), of each movable block (11), the pressing rod (12) penetrates through one side, away from the suction tube (1), of each fixed block (9) and is located outside the corresponding fixed block (9), an extrusion rod (13) is fixed in the middle of one side, close to the suction tube (1), of each movable block (11), of each extrusion rod (13), one end, away from the movable blocks (11), of each extrusion rod (13) penetrates through the inner walls of the fixed blocks (9) and the suction tube (1) in sequence and is located inside the suction tube (1), one end, away from the movable blocks (11), of each extrusion rod (13) is located at the top end, away from one side of the clamping block (6), and a third spring (14) is sleeved on the outer surface of the extrusion rod (13) positioned in the cavity (10).

2. The specimen sucker for ENT department according to claim 1, characterized in that a sucker (15) is fixed on the lower surface of the sucker (1), and the sucker (15) is communicated with the sucker (1).

3. The specimen sucker for ENT department according to claim 1, characterized in that one end of the first spring (5) is fixed with the lower surface of the push plate (4), and the other end of the first spring (5) is fixed with the upper surface of the sucker (1).

4. The specimen sucker for ENT department according to claim 1, characterized in that a plurality of anti-slip teeth (16) are fixed at the bottom end of one side of the clamping block (6) close to the push rod (3), and the anti-slip teeth (16) are in contact with the outer surface of the push rod (3).

5. The specimen sucker for ENT department according to claim 1, wherein the upper and lower sides of the movable block (11) are respectively contacted with the upper and lower inner walls of the cavity (10), and the left and right sides of the movable block (11) are respectively contacted with the left and right inner walls of the cavity (10).

6. The specimen sucker for ENT department according to claim 1, characterized in that a button (17) is fixed at one end of the pressing rod (12) far away from the movable block (11), and an anti-skid thread is fixed at one side of the button (17) far away from the pressing rod (12).

7. The specimen sucker for ENT department according to claim 1, characterized in that one end of the third spring (14) is fixed with one side of the movable block (11) close to the suction tube (1), and the other end of the third spring (14) is fixed with the inner wall of the cavity (10) close to the suction tube (1).

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