CN215959888U

CN215959888U - Tuberculosis immunity examination sampling device convenient to sample

Info

Publication number: CN215959888U
Application number: CN202121528530.5U
Authority: CN
Inventors: 刘永莉; 张开义; 许序云
Original assignee: Third Peoples Hospital of Kunming
Current assignee: Third Peoples Hospital of Kunming
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-03-08
Anticipated expiration: 2031-07-06

Abstract

The utility model belongs to the field of sampling devices, and particularly relates to a tuberculosis immunoassay sampling device convenient for sampling, which comprises a device main body, a piston and a needle tube, wherein the piston is arranged on the device main body; the piston is sleeved in the device main body, and the needle tube is arranged at the bottom end of the device main body; the quick replacement device is characterized in that a quick replacement mechanism is arranged between the device main body and the needle tube and comprises two groups of sealing blocks, sealing rings, fixing blocks, notches, sleeve blocks, sleeve grooves, reeds and clamping grooves, the two groups of sealing blocks are respectively glued on the needle tube and the device main body and are mutually clamped, the sealing rings are glued at the bottom end of the device main body, the fixing blocks are fixedly connected at the bottom end of the needle tube, the notches are formed in one side, close to the needle tube, of the fixing blocks, the sleeve blocks are fixedly arranged at two ends inside the notches, and the sleeve grooves are formed in the sleeve blocks; the quick replacement mechanism has the function of conveniently replacing different types of needle tubes.

Description

Tuberculosis immunity examination sampling device convenient to sample

Technical Field

The utility model relates to the field of sampling devices, in particular to a tuberculosis immunity examination sampling device convenient for sampling.

Background

When the tuberculosis immunity is checked, sampling is needed, generally the collected sample is blood, whether the sample contains immune cells or not can be obtained by detecting components in the blood, and currently, a special collecting device is mostly used for collecting the sample.

Most of the existing collecting devices can not replace needles, and the existing collecting devices are of an integrated structure and are troublesome for the collected persons with different thicknesses and thicknesses; therefore, a tuberculosis immunity examination sampling device convenient for sampling is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that most of the existing collecting devices cannot replace needles, the utility model provides a tuberculosis immunity examination sampling device convenient for sampling.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a tuberculosis immunity examination sampling device convenient for sampling, which comprises a device main body, a piston and a needle tube; the piston is sleeved in the device main body, and the needle tube is arranged at the bottom end of the device main body; be provided with quick replacement mechanism between device main part and the needle tubing, quick replacement mechanism is including sealed piece, sealing washer, fixed block, notch, cover piece, trepanning, reed and draw-in groove, sealed piece is provided with two sets ofly, and is two sets of sealed piece is glued respectively on needle tubing and device main part, and two sets of the mutual block of sealed piece, the sealing washer is glued in the bottom of device main part, fixed block fixed connection is in the bottom of device main part, the notch is seted up in one side that the fixed block is close to the needle tubing, cover piece fixed mounting is at the inside both ends of notch, the trepanning is seted up in the inside of cover piece, the inside in trepanning is established to the reed cover, the draw-in groove is seted up in the both sides of needle tubing, and draw-in groove and reed looks block, plays the effect of the needle tubing of convenient change different grade type through quick replacement mechanism.

Preferably, the top of device main part is provided with adjustment mechanism, adjustment mechanism includes connecting block, activity groove, screw rod, swivel nut and dog, connecting block fixed connection is in the both sides on device main part top, the activity groove is seted up in one side that the device main part was kept away from to the connecting block, the screw rod passes through bearing swing joint in the inside in activity groove, swivel nut threaded connection is in the outside of screw rod, dog and swivel nut fixed connection play through adjustment mechanism and adjust the dog position, make the medical personnel of different palm sizes more comfortable when using.

Preferably, the both ends of reed all fixedly connected with slider, and slider sliding connection is in the inside of spout, the spout is seted up inside the cover inslot, plays the both ends of reed effect more smooth and easy when removing through slider and spout combined action.

Preferably, the top end through connection piece of screw rod extends to the outside of connecting block, and the top fixedly connected with knob of screw rod plays the convenience and carries out pivoted effect to the screw rod through the knob.

Preferably, the bottom of dog is seted up flutedly, and the recess designs for the arc, plays the effect that makes the finger more comfortable when pulling the dog through the recess of seting up the arc design in the bottom of dog.

Preferably, the inner wall fixedly connected with fixed cover on device main part top, and the fixed cover is provided with the pulley near one side of piston, the outside laminating of pulley and piston plays the effect that prevents the piston and deviate from the device main part through the effect of fixed cover and pulley combination.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the sealing block, the sealing ring, the fixing block, the notch, the sleeve block, the sleeve groove, the reed and the clamping groove, the function of conveniently replacing the needle tube is realized, the effects of fixing the needle tube and conveniently disassembling the needle tube are realized through the combined action of the sealing block, the sealing ring, the fixing block, the notch, the sleeve block, the sleeve groove, the reed and the clamping groove, the problem that most of the existing collecting devices cannot replace needles is solved, and the efficiency of collecting blood of collected persons with different thicknesses and thicknesses is improved;

2. according to the utility model, through the structural design of the connecting block, the movable groove, the screw rod, the threaded sleeve and the check block, the functions of conveniently pushing the piston and conveniently extracting a sample are realized, the position of the check block is adjusted through the action of the connecting block, the movable groove, the screw rod and the threaded sleeve, the medical staff with different palms can conveniently use the check block, the problem that the existing collecting device is inconvenient for the medical staff with different palms to use the check block is solved, and the adaptability of the device to the medical staff with different palms is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to the first embodiment;

FIG. 4 is an enlarged structural diagram of the first embodiment at B in FIG. 3;

FIG. 5 is an enlarged structural view of the first embodiment at C in FIG. 2;

FIG. 6 is an enlarged structural view of the first embodiment at D in FIG. 2;

fig. 7 is a schematic structural diagram of a partial front cross section in the second embodiment.

In the figure: 1. a device main body; 2. a piston; 31. a sealing block; 32. a seal ring; 33. a fixed block; 34. A notch; 35. sleeving blocks; 36. sleeving a groove; 37. a reed; 38. a card slot; 39. a slider; 310. a chute; 311. positioning blocks; 312. positioning a groove; 4. a needle tube; 51. fixing a sleeve; 52. a pulley; 53. connecting blocks; 54. a movable groove; 55. a screw; 56. a knob; 57. a threaded sleeve; 58. and a stop block.

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.

Example one

Referring to fig. 1-6, a tuberculosis immunoassay sampling device for facilitating sampling comprises a device body 1, a piston 2 and a needle tube 4; the piston 2 is sleeved in the device main body 1, and the needle tube 4 is arranged at the bottom end of the device main body 1; a quick replacement mechanism is arranged between the device main body 1 and the needle tube 4, the quick replacement mechanism comprises a sealing block 31, a sealing ring 32, a fixing block 33, a notch 34, a sleeve block 35, a sleeve groove 36, a reed 37 and a clamping groove 38, two groups of sealing blocks 31 are arranged, the two groups of sealing blocks 31 are respectively glued on the needle tube 4 and the device main body 1, and the two groups of sealing blocks 31 are mutually clamped, the sealing ring 32 is glued at the bottom end of the device main body 1, the fixed block 33 is fixedly connected with the bottom end of the device main body 1, the notch 34 is arranged at one side of the fixed block 33 close to the needle tube 4, the sleeve blocks 35 are fixedly arranged at two ends of the inner part of the notch 34, the sleeve grooves 36 are arranged in the sleeve blocks 35, the reed 37 is sleeved in the sleeve groove 36, the clamping groove 38 is arranged at two sides of the needle tube 4, the clamping groove 38 is clamped with the reed 37, and the sealing block 31 and the sealing ring 32 are made of rubber materials; when the needle tube 4 moves upwards, the two groups of sealing blocks 31 are also extruded mutually to generate elastic deformation, when the needle tube 4 moves upwards to be incapable of moving upwards again, the two groups of sealing blocks 31 are mutually clamped mutually, and meanwhile, the sealing ring 32 is also abutted against the needle tube 4 to play a role in enhancing the sealing performance.

The top end of the device main body 1 is provided with an adjusting mechanism, the adjusting mechanism comprises a connecting block 53, a movable groove 54, a screw 55, a threaded sleeve 57 and a stop dog 58, the connecting block 53 is fixedly connected to two sides of the top end of the device main body 1, the movable groove 54 is formed in one side, far away from the device main body 1, of the connecting block 53, the screw 55 is movably connected inside the movable groove 54 through a bearing, the threaded sleeve 57 is in threaded connection with the outer side of the screw 55, and the stop dog 58 is fixedly connected with the threaded sleeve 57; during operation, the knob 56 is turned to drive the screw 55 to rotate, and at the same time, the threaded sleeve 57 screwed on the outer side of the screw 55 moves to drive the stop block 58 to move synchronously.

Both ends of the reed 37 are fixedly connected with sliding blocks 39, the sliding blocks 39 are connected inside sliding grooves 310 in a sliding mode, and the sliding grooves 310 are formed inside the sleeve grooves 36; during operation, the sliding block 39 slides in the sliding groove 310 along with the deformation of the spring 37, and the contact area between the spring 37 and the sleeve groove 36 is reduced by the combined action of the sliding block 39 and the sliding groove 310, so that the friction force between the spring 37 and the sleeve groove 36 is reduced, and the two ends of the spring 37 move more smoothly.

The top end of the screw 55 penetrates through the connecting block 53 and extends to the outer side of the connecting block 53, and the top end of the screw 55 is fixedly connected with a knob 56; in operation, turning the knob 56 rotates the screw 55.

The bottom end of the stop block 58 is provided with a groove which is designed in an arc shape; during operation, the bottom end of the stop block 58 is provided with the groove in the arc shape, so that the shape of the stop block 58 is more in accordance with the ergonomic design, and the effect that fingers feel more comfortable when holding the stop block 58 is achieved.

The inner wall of the top end of the device main body 1 is fixedly connected with a fixed sleeve 51, a pulley 52 is arranged on one side, close to the piston 2, of the fixed sleeve 51, and the pulley 52 is attached to the outer side of the piston 2; during operation, the combined action of the fixed sleeve 51 and the pulley 52 prevents the piston 2 from being separated from the device main body 1, prevents the piston 2 from inclining when the piston 2 is pulled or pushed, reduces the friction force between the piston 2 and the fixed sleeve 51 under the action of the pulley 52, and prevents the piston 2 from being blocked due to the overlarge friction force between the piston 2 and the fixed sleeve 51 when the piston 2 is pushed or pulled.

Example two

Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a positioning block 311 is glued to a bottom end of the fixing block 33 on a side close to the needle tube 4, the positioning block 311 is fastened to a positioning groove 312, the positioning groove 312 is formed on an outer side of the needle tube 4, the positioning block 311 is made of rubber, a bottom end of the positioning block 311 is designed in an arc shape, and a top end of the positioning block 311 is provided with an inclined surface; when the needle tube 4 is pushed upwards during operation, the positioning block 311 is squeezed by the outer side of the needle tube 4, the positioning block 311 is elastically deformed, when the needle tube 4 is pushed upwards and cannot move, the squeezing force of the outer side of the needle tube 4 on the positioning block 311 disappears, and at the moment, the positioning block 311 is restored to the original state under the action of the self-restoring force and is clamped with the positioning groove 312, so that the needle tube 4 is assisted and fixed and assisted in positioning.

The working principle is that when the needle tube 4 is to be replaced, the needle tube 4 is firstly pushed upwards, the reed 37 is extruded by the outer side of the needle tube 4 at the moment, the reed 37 generates elastic deformation, when the needle tube 4 moves upwards to be incapable of moving upwards again, the extrusion force of the outer side of the needle tube 4 to the reed 37 disappears, at the moment, the reed 37 recovers under the action of the self restoring force and is clamped with the clamping groove 38, the needle tube 4 is fixed, when the needle tube 4 moves, the two groups of sealing blocks 31 are also extruded mutually to generate elastic deformation, when the needle tube 4 moves upwards to be incapable of moving upwards again, the two groups of sealing blocks 31 are clamped mutually, and meanwhile, the sealing ring 32 is also abutted against the needle tube 4 to enhance the sealing performance.

When the position of the stop block 58 is to be adjusted, firstly, the knob 56 is rotated to drive the screw 55 to rotate, at this time, the threaded sleeve 57 which is in threaded connection with the outer side of the screw 55 moves to drive the stop block 58 to move synchronously, so that the position of the stop block 58 is adjusted, the effect of combining the fixed sleeve 51 and the pulley 52 is realized to prevent the piston 2 from falling out of the device main body 1, prevent the piston 2 from tilting when the piston 2 is pulled or pushed, reduce the friction force between the piston 2 and the fixed sleeve 51 under the effect of the pulley 52, and prevent the piston 2 from being blocked due to the overlarge friction force between the piston 2 and the fixed sleeve 51 when the piston 2 is pushed or pulled.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides a tuberculosis immunity examination sampling device convenient to sample which characterized in that: comprises a device main body (1), a piston (2) and a needle tube (4); the piston (2) is sleeved in the device main body (1), and the needle tube (4) is arranged at the bottom end of the device main body (1);

the device is characterized in that a quick replacement mechanism is arranged between the device main body (1) and the needle tube (4), the quick replacement mechanism comprises a sealing block (31), a sealing ring (32), a fixing block (33), a notch (34), a sleeve block (35), a sleeve groove (36), a reed (37) and a clamping groove (38), the sealing block (31) is provided with two groups, two groups of sealing blocks (31) are respectively glued on the needle tube (4) and the device main body (1) and are mutually clamped, the sealing ring (32) is glued at the bottom end of the device main body (1), the fixing block (33) is fixedly connected at the bottom end of the device main body (1), the notch (34) is arranged at one side, close to the needle tube (4), of the fixing block (33), the sleeve block (35) is fixedly arranged at two ends inside the notch (34), the sleeve groove (36) is arranged inside the sleeve block (35), the reed (37) is sleeved in the sleeve groove (36), the clamping grooves (38) are formed in two sides of the needle tube (4), and the clamping grooves (38) are clamped with the reed (37).

2. A tuberculosis immunoassay sampling device to facilitate sampling according to claim 1, wherein: the top of device main part (1) is provided with adjustment mechanism, adjustment mechanism includes connecting block (53), activity groove (54), screw rod (55), swivel nut (57) and dog (58), connecting block (53) fixed connection is in the both sides on device main part (1) top, the one side of keeping away from device main part (1) in connecting block (53) is seted up in activity groove (54), screw rod (55) are through the inside of bearing swing joint in activity groove (54), swivel nut (57) threaded connection is in the outside of screw rod (55), dog (58) and swivel nut (57) fixed connection.

3. A tuberculosis immunoassay sampling device to facilitate sampling according to claim 2, wherein: both ends of reed (37) are all fixedly connected with slider (39), and slider (39) sliding connection is in the inside of spout (310), spout (310) are seted up inside cover groove (36).

4. A tuberculosis immunoassay sampling device to facilitate sampling according to claim 3, wherein: the top end of the screw rod (55) penetrates through the connecting block (53) and extends to the outer side of the connecting block (53), and the top end of the screw rod (55) is fixedly connected with a knob (56).

5. A tuberculosis immunoassay sampling device to facilitate sampling according to claim 4, wherein: the bottom end of the stop block (58) is provided with a groove, and the groove is designed in an arc shape.

6. A tuberculosis immunoassay sampling device to facilitate sampling according to claim 5, wherein: the inner wall fixedly connected with fixed cover (51) on device main part (1) top, and fixed cover (51) are close to one side of piston (2) and are provided with pulley (52), the laminating of the outside of pulley (52) and piston (2).