CN217886070U

CN217886070U - Disposable sample recoverer

Info

Publication number: CN217886070U
Application number: CN202221263438.5U
Authority: CN
Inventors: 胡兵; 杨航
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-25
Anticipated expiration: 2032-05-24

Abstract

The utility model provides a disposable sample recoverer, which relates to the technical field of medical instruments. Including handheld portion, connecting portion and get material portion, connecting portion connect in handheld portion and draw materials between the portion, the portion of drawing materials is provided with the arm of drawing materials, the arm of drawing materials is connected with the driving piece, the driving piece is used for the drive the arm of drawing materials opens and shuts, be provided with the basket of drawing materials that is used for collecting the sample on the arm of drawing materials. The utility model provides a disposable sample recoverer can get into the alimentary canal through scope biopsy hole under the scope, once gets into, accomplishes the collection of sample many times and picks up, and is very convenient.

Description

Disposable sample recoverer

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to a disposable sample recoverer.

Background

Living tissues such as some polyps often can grow out in the alimentary canal, doctors need collect the inspection to it, before the suction sample after the alimentary canal polyp scope excision, the traditional way of medical personnel is to place one deck gauze at the suction pipe kneck and place in the sample suction direct suction bottle, if a plurality of alimentary canal polyps of excision under the scope, just need repeatedly place the gauze, take down the sample of gauze collection suction again, waste time and energy.

The rest meat is cut off and taken out after being directly inserted into the alimentary canal by using the forceps, and if the rest meat needs to be collected for a plurality of times, the rest meat can only be inserted and taken out repeatedly, so that the pain of a patient is increased.

Therefore, aiming at the problems that a plurality of polyps or large specimens are not taken out enough in clinical practice at present and often need to be taken out for a plurality of times or cannot be taken out completely, the application particularly provides a disposable specimen recoverer for solving the technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable sample recoverer for solve above-mentioned problem.

The embodiment of the utility model is realized like this:

the utility model provides a disposable sample recoverer, includes handheld portion, connecting portion and gets material portion, connecting portion connect in handheld portion and draw materials between the portion, the portion of drawing materials is provided with the arm of drawing materials, the arm of drawing materials is connected with the driving piece, the driving piece is used for the drive the arm of drawing materials opens and shuts, be provided with the basket of drawing materials that is used for collecting the sample on the arm of drawing materials.

Further, in some embodiments of the present invention, the material drawing arm includes a fixed arm and a movable arm, the fixed arm is fixed to the front end of the connection portion, and the movable arm is connected to the front end of the connection portion through a first pivot.

The advantages based on the above design are: connect through fixed arm and connecting portion are fixed, and the digging arm then rotates with connecting portion through first pivot to be connected for draw materials the arm and can realize freely opening and shutting, be convenient for when getting the sample, open the arm of drawing materials and pick up the sample, and when not getting the sample, draw materials the arm closure, occupation space not.

Further, in some embodiments of the present invention, the driving member includes a first driving wheel disposed between the fixed arm and the movable arm, the first driving wheel is fixedly sleeved on the first pivot, the connecting portion is provided with a hollow inner cavity, one end of the hollow inner cavity, which is far away from the first driving wheel, is provided with a second pivot, the second pivot is fixedly sleeved with a second driving wheel, the first driving wheel and the second driving wheel are in transmission connection, and the second pivot extends out of the hollow inner cavity and is provided with a rotating wheel assembly at an end of the second pivot.

The advantages based on the above design are: the second pivot is driven to rotate by the rotating wheel component, the second pivot drives the second driving wheel to rotate, then the second driving wheel drives the first driving wheel to rotate, correspondingly, the first driving wheel drives the first pivot to rotate, and then the first pivot rotates to realize the rotation of the movable arm, so that the material taking arm can be freely opened and closed.

Further, in some embodiments of the present invention, the rotating wheel assembly includes a fixing sleeve disposed on the driving roller at the end of the second pivot and a damping roller disposed side by side with the driving roller, the damping roller is used for limiting the driving roller to rotate autonomously.

The advantages based on the above design are: the adoption comprises initiative gyro wheel and damping gyro wheel constitution swivel subassembly to through rotating the initiative gyro wheel, can drive the second pivot and rotate, the second pivot just drives the second drive wheel and rotates, then the second drive wheel just drives first drive wheel and rotates, it is corresponding, first drive wheel just drives first pivot, and then first pivot has realized the digging arm and has rotated, make the arm of drawing materials freely open and shut, simultaneously because the existence of damping gyro wheel, so accomplish the adjustment to the arm angle that opens and shuts of drawing materials at the initiative gyro wheel, accessible damping gyro wheel prevents initiative gyro wheel free rotation, avoid picking up during the sample, it takes place the initiative closure to draw materials the arm.

Furthermore, in some embodiments of the present invention, the damping roller is externally tangent to the driving roller, and a telescopic damping cap is disposed at the tangent point of the damping roller, and the plurality of damping grooves can be accommodated in the circumferential array of the outer circumferential surface of the driving roller.

The advantages based on the above design are: the damping cap is arranged on the damping roller, and the damping grooves are circumferentially arrayed on the outer circumferential surface of the driving roller, so that the damping cap can be embedded into the damping grooves, and the free rotation of the driving roller is limited.

Further, in some embodiments of the present invention, the damping cap includes a spherical cap-shaped brim, a guide pillar, and a return spring, the tangent point of the damping roller is provided with a groove, the guide pillar is fixed in the groove, the spring and the brim are sleeved in the guide pillar in an equal sliding manner.

The advantages based on the above design are: the cap brim is sleeved on the guide post in a sliding connection mode, so that when the driving roller is rotated, the driving roller can press the damping cap into the groove, the driving roller can freely rotate under the action of external force, and the spring can eject the damping cap when the damping groove of the driving roller is opposite to the damping cap, so that the damping purpose is achieved.

Further, in some embodiments of the present invention, the outer end surface of the driving roller is integrally formed with a dial wheel, and the outer circumferential surface of the dial wheel is circumferentially arrayed with a plurality of dials.

The advantages based on the above design are: through setting up the thumb wheel fixed with the initiative gyro wheel, set up the plectrum on the thumb wheel to the thumb wheel rotates when conveniently stirring the plectrum, has just also driven the initiative gyro wheel and has rotated, conveniently rotates the swivel subassembly.

Further, in some embodiments of the present invention, the hand-held portion is provided with a protective soft sleeve.

The advantages based on the design are that: the medical staff can conveniently carry out the hand-held operation through the protective soft sleeve.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

the utility model provides a disposable sample recoverer during the use, sends into the affected part with the recoverer from scope biopsy pore, then opens the arm of drawing materials, makes the oral area of the basket of drawing materials aim at the sample to in picking up the sample into the basket of drawing materials, can get into next time at the endoscope, accomplish the collection of sample many times and pick up, it is very convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a disposable specimen recoverer according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a disposable sample recoverer according to an embodiment of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a sectional view of the damping roller.

An icon: 1-a handheld part, 2-a connecting part, 201-a hollow inner cavity, 3-a material drawing part, 31-a material drawing arm, 32-a material drawing basket, 310-a fixed arm, 311-a movable arm, 4-a first transmission wheel, 5-a second transmission wheel, 6-a first pivot, 7-a transmission belt, 8-a second pivot, 9-a rotating wheel component, 91-a driving roller, 92-a damping roller, 910-a damping groove, 920-a damping cap, 9201-a brim, 9202-a guide pillar, 9203-a return spring, 93-a groove, 94-a shifting wheel and 940-a shifting piece.

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.

Examples

Referring to fig. 1 to 4, the present embodiment provides a disposable sample recoverer, which includes a handheld portion 1, a connecting portion 2 and a material taking portion 3, wherein the connecting portion 2 is connected between the handheld portion 1 and the material taking portion 3, and the material taking portion 3 is provided with a foldable material taking arm 31.

Specifically, the method comprises the following steps:

the hand-held part 1 is integrally formed at the tail end of the connecting part 2, and a protective soft sleeve is sleeved on the hand-held part 1, so that the medical staff can conveniently hold and operate the hand-held part.

The connecting part 2 has a hollow cavity 201, and the material drawing part 3 is disposed at the front end of the connecting part 2. Wherein, the material taking part 3 comprises a material taking arm 31 composed of a fixed arm 310 and a movable arm 311, and a material taking basket 32 is arranged on the material taking arm 31. The fixed arm 310 is integrally formed on an inner wall surface of one side of the hollow cavity 201 of the connecting portion 2, and the movable arm 311 is rotatably connected to an inner wall surface of the other side of the hollow cavity 201 through the first pivot 6, where: here, the first pivot 6 is rotatable, and the movable arm 311 is fixed on the first pivot 6, and the first pivot 6 is not connected to the fixed arm 310. Meanwhile, the movable arm 311 has a right angle bend so that the movable arm 311 and the fixed arm 310 are maintained in the same plane.

The length of the fixed arm 310 and the movable arm 311 is about 3-4cm, the distance between the front ends of the material taking arm 31 and the movable arm 311 in the fully unfolded state is about 3-4cm, and the depth of the material taking basket 32 is 2-3cm.

In order to realize the free opening and closing of the material-drawing arm 31, a driving member is further installed in the hollow cavity 201 for driving the opening and closing of the movable arm 311.

In detail, the driving member includes a first driving wheel 4, a second driving wheel 5 and a driving belt 7, wherein the first driving wheel 4 is installed between the fixed arm 310 and the movable arm 311, the first driving wheel 4 is fixedly sleeved on the first pivot 6, the second driving wheel 5 is disposed at one end of the hollow cavity 201 far away from the first driving wheel 4 through the pivot, and the driving belt 7 is used for driving and connecting the first driving wheel 4 and the second driving wheel 5. It should be noted here that the second pivot 8 is rotatably connected to the connecting portion 2, and the second transmission wheel 5 is fixedly sleeved on the second pivot 8.

Meanwhile, one end of the second pivot 8 penetrates through the connecting part 2 and is fixedly sleeved with a rotating wheel assembly 9 at the end exposed out of the connecting part 2, and the rotating wheel assembly 9 is used for driving the driving part to move.

In detail, the rotating wheel assembly 9 includes a driving roller 91 and a damping roller 92, wherein the driving roller 91 is fixedly sleeved on the end of the second pivot 8, the damping roller 92 is disposed on the outer wall surface of the connecting portion 2 by a fixing shaft, the damping roller 92 is non-rotatable, and the damping roller 92 and the driving roller 91 are circumscribed with each other.

A plurality of damping grooves 910 are circumferentially arrayed on the outer circumferential surface of the driving roller 91, and the damping grooves 910 are formed in an arc shape and smoothly transition with the outer circumferential surface of the driving roller 91. The damping roller 92 is provided with a groove 93 at the position tangent to the driving roller 91, and a telescopic damping cap 920 is installed in the groove 93. In detail, the damping cap 920 includes a spherical cap-shaped brim 9201, a guide post 9202 and a return spring 9203, wherein the guide post 9202 stands in the groove 93, the return spring 9203 and the brim 9201 are sequentially sleeved on the guide post 9202, the brim 9201 is limited on the guide post 9202 and can freely slide, and the brim 9201 is matched with the damping groove 910.

Furthermore, the outer end surface of the driving roller 91 is also integrally formed with a dial wheel 94, a plurality of dial pieces 940 are circumferentially arrayed on the outer circumferential surface of the dial wheel 94, and the dial wheel 94 can be conveniently dialed to rotate through the dial pieces 940, so that the driving roller 91 is also dialed to rotate.

As can be seen from the above, the use method or the operation principle of the disposable specimen recoverer provided in this embodiment is as follows:

firstly, the recoverer is stretched into an affected part of the alimentary canal tissue through an endoscope biopsy hole under an endoscope;

then, the thumb wheel 94 is poked in the forward direction, the thumb wheel 94 rotates together with the active roller 91, the active roller 91 rotates to drive the second pivot 8 to rotate, the second driving wheel 5 rotates due to the fact that the second driving wheel 5 and the second pivot 8 are fixedly sleeved, the second driving wheel 5 rotates to drive the first driving wheel 4 to rotate through the driving belt 7, the first driving wheel 4 rotates to drive the first pivot 6 to rotate, the movable arm 311 is fixedly sleeved on the first pivot 6, the first pivot 6 rotates, the material taking basket 32 is opened, the mouth of the material taking basket 32 is aligned with the sample, and the sample is picked into the material taking basket 32.

It should be noted that, during the rotation of the driving roller 91, the damping cap 920 alternately contacts with the damping slot 910 and the outer circumferential surface of the driving roller 91, so as to intermittently and reciprocally pop out of/extend into the groove 93; and after the sampling basket 32 is opened, the driving roller 91 is not rotated any more, at this time, the damping cap 920 is aligned with the damping groove 910 on the outer circumferential surface of the driving roller 91, and then the damping cap 920 is clamped in the damping groove 910 to limit the driving roller 91 to rotate freely, so that the sampling basket 32 is prevented from being closed in the process of picking up the specimen.

Immediately, after the basket 32 of drawing materials is opened, medical personnel can operate the basket 32 of drawing materials under the endoscope and pick up the sample one by one, and is very convenient.

Finally, after the completion of picking up, the thumb wheel 94 is rotated in the reverse direction, and similarly, the movable arm 311 can be closed toward the fixed arm 310, so that the material-taking basket 32 is combined, the material-taking basket 32 can be taken out, and the collection of the specimen is completed.

To sum up, the utility model provides a pair of disposable sample recoverer during the use, sends the recoverer into the affected part from scope biopsy pore, then opens the arm 31 of drawing materials, makes the oral area of the basket 32 of drawing materials aim at the sample to in picking up the sample into the basket 32 of drawing materials, can get into next time at the endoscope, accomplish the collection of sample many times and pick up, it is very convenient.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A disposable sample recoverer is characterized in that: including handheld portion (1), connecting portion (2) and get material portion (3), connecting portion (2) are connected in handheld portion (1) and between the portion of drawing materials (3), it is provided with arm (31) of drawing materials to get material portion (3), arm (31) of drawing materials is connected with the driving piece, the driving piece is used for the drive arm (31) of drawing materials opens and shuts, be provided with basket (32) of drawing materials that are used for collecting the sample on the arm (31) of drawing materials.

2. The disposable specimen recoverer according to claim 1, wherein the sampling arm (31) comprises a fixed arm (310) and a movable arm (311), the fixed arm (310) is fixed to the front end of the connecting portion (2), and the movable arm (311) is rotatably connected to the front end of the connecting portion (2) through a first pivot (6).

3. The disposable sample recoverer according to claim 2, wherein the driving member comprises a first driving wheel (4) disposed between the fixed arm (310) and the movable arm (311), the first driving wheel (4) is fixedly sleeved on the first pivot (6), the connecting portion (2) is provided with a hollow inner cavity (201), one end of the hollow inner cavity (201) away from the first driving wheel (4) is provided with a second pivot (8), the second pivot (8) is fixedly sleeved with a second driving wheel (5), the first driving wheel (4) and the second driving wheel (5) are in transmission connection, the second pivot (8) extends out of the hollow inner cavity (201), and a rotating wheel assembly (9) is disposed at an end of the second pivot (8).

4. The disposable specimen recoverer according to claim 3, wherein the rotating wheel assembly (9) comprises a driving roller (91) fixedly sleeved at an end of the second pivot (8) and a damping roller (92) arranged side by side with the driving roller (91), and the damping roller (92) is used for limiting the driving roller (91) to rotate autonomously.

5. The disposable specimen recoverer according to claim 4, wherein the damping roller (92) is circumscribed with the driving roller (91), a telescopic damping cap (920) is disposed at a tangent point of the damping roller (92), and a plurality of damping grooves (910) capable of accommodating the damping cap (920) are circumferentially arrayed on the outer circumferential surface of the driving roller (91).

6. The disposable specimen recoverer according to claim 5, wherein the damping cap (920) comprises a spherical cap-shaped brim (9201), a guide post (9202) and a return spring (9203), a groove (93) is formed at a tangent point of the damping roller (92), the guide post (9202) is fixed in the groove (93), and the spring and the brim (9201) are slidably sleeved on the guide post (9202).

7. The disposable specimen recoverer according to claim 5, wherein a dial wheel (94) is integrally formed on an outer end surface of the driving roller (91), and a plurality of dials (940) are circumferentially arrayed on an outer circumferential surface of the dial wheel (94).

8. Disposable specimen retriever according to claim 1, characterized in that the hand-held part (1) is provided with a protective soft sleeve.