CN218899529U

CN218899529U - Sampler convenient to tissue sample takes out and retrieves

Info

Publication number: CN218899529U
Application number: CN202222639091.6U
Authority: CN
Inventors: 薛孟华; 姜涛; 赵晋波; 卢强; 朱以芳
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-04-25
Anticipated expiration: 2032-10-09

Abstract

The utility model belongs to the technical field of auxiliary instrument is used in the medical treatment, concretely relates to sampler convenient to tissue sample takes out and retrieves, including the sampling tube, the one end fixed mounting of sampling tube has the drainage tube, the other end fixed mounting of sampling tube has the negative pressure tube, the inside of sampling tube has set gradually one-level filter screen, second grade filter screen and tertiary filter screen from top to bottom, just the aperture of one-level filter screen, second grade filter screen and tertiary filter screen reduces in proper order, the inside of one-level filter screen, second grade filter screen and tertiary filter screen all is equipped with braced frame, the top thread bush of sampling tube is equipped with the shutoff cap, the axle center department fixedly connected with pull wire of shutoff cap bottom, the pull wire will one-level filter screen, second grade filter screen and tertiary filter screen are in series together. The utility model discloses can keep apart the tissue sample of suction on the filter screen, follow-up as long as take out the filter screen alright directly carry out the extraction work of sample.

Description

Sampler convenient to tissue sample takes out and retrieves

Technical Field

The utility model belongs to the technical field of auxiliary instrument for medical treatment, concretely relates to sampler convenient to tissue sample takes out and retrieves.

Background

Modern medicine refers to abnormal hyperplasia of body cells as new growth or neoplasm, if the growth speed is too high, tumors can be caused, and new organisms can appear on human respiratory tract and digestive tract mucous membrane, if the new organisms are not treated in time, cancer is most likely to occur, so that when the new organisms are found, sampling and testing should be performed in time to judge whether the new organisms can be cancerous or not, and a corresponding treatment scheme is made.

When a new biological tissue is sampled, the new biological tissue needs to be excised in advance, and some cases need to be sucked by negative pressure, but in the process of sucking out the tissue, body fluid and other impurities can be accompanied, and the tissue is small and can be sucked into the negative pressure barrel together with the body fluid, so that the new biological tissue needs to be separated singly, the operation process is complicated, even the phenomenon of tissue loss can occur, and the secondary sampling is needed, so that the pain degree of a patient can be increased undoubtedly by repeated sampling operation.

Disclosure of Invention

The utility model aims at providing a sampler convenient to tissue sample takes out and retrieves can keep apart the tissue sample of suction on the filter screen, follow-up as long as take out the filter screen alright directly carry out the extraction work of sample.

The technical scheme adopted by the utility model is as follows:

the utility model provides a sampler convenient to tissue sample takes out and retrieves, includes the sampling tube, the one end fixed mounting of sampling tube has the drainage tube, the other end fixed mounting of sampling tube has the negative pressure pipe, the one end fixed mounting of negative pressure pipe has the suction pump, the inside of sampling tube has set gradually one-level filter screen, second grade filter screen and tertiary filter screen from top to bottom, just the aperture of one-level filter screen, second grade filter screen and tertiary filter screen reduces in proper order, the inside of one-level filter screen, second grade filter screen and tertiary filter screen all is equipped with braced frame, the top thread bush of sampling tube is equipped with the shutoff cap, the axle center department fixedly connected with pull wire of shutoff cap bottom, the pull wire will one-level filter screen, second grade filter screen and tertiary filter screen are in series together.

The primary filter screen, the secondary filter screen and the tertiary filter screen are all set to the cone form, the inner wall integrated into one piece of sampling tube has three respectively with the corresponding support ring of primary filter screen, secondary filter screen and tertiary filter screen.

The sampling tube is arranged to be cylindrical, leak-proof annular plates are integrally formed at the bottoms of the primary filter screen, the secondary filter screen and the tertiary filter screen, and the leak-proof annular plates are arranged to be round table shapes with big top and small bottom.

The inner side that the supporting ring set up is seted up the bench groove of upper and lower symmetry, bench groove and leak protection annular plate looks adaptation.

The sampling tube is arranged to be square tube-shaped, and the supporting rings are all arranged to be square frame-shaped matched with the inner wall of the sampling tube.

The top of the sampling tube is embedded with a sealing plug, a sealing rubber ring is arranged between the sealing plug and the contact surface of the sampling tube, and the axis of the bottom of the sealing plug is fixedly connected with the top of the traction wire.

The technical effect who this practicality obtained is:

the utility model discloses a sampler convenient to tissue sample takes out and retrieves adopts the design of the one-level filter screen of cone form, second grade filter screen and tertiary filter screen, can isolate the tissue sample of equidimension from the body fluid to its cone form's design not only can increase the area of a plurality of filter screens, can also avoid massive tissue sample or other impurity to block up each filter screen, makes whole suction process can be smooth go on.

The utility model discloses a sampler convenient to tissue sample takes out and retrieves adopts the design of brittle board and pull wire, under the effect of pull wire, the operator can be quick separates one by one level filter screen, second grade filter screen and tertiary filter screen and a sampling tube, makes things convenient for the operator to carry out subsequent extraction work.

Drawings

FIG. 1 is a schematic view of the whole apparatus in embodiment 1 of the present utility model;

FIG. 2 is an exploded view of the interior of the sampling tube according to embodiment 1 of the present utility model;

FIG. 3 is an exploded view of the connection of the leak-proof ring plate and the carrier ring in embodiment 1 of the present utility model;

FIG. 4 is a schematic view of a support framework in an embodiment of the present disclosure;

FIG. 5 is a schematic view of the whole apparatus in embodiment 2 of the present utility model;

FIG. 6 is an exploded view of the interior of the sampling tube according to embodiment 2 of the present utility model;

fig. 7 is an exploded view of the connection between the leak-proof ring plate and the carrier ring in embodiment 2 of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a sampling tube; 101. a drainage tube; 102. a negative pressure pipe; 2. a first-stage filter screen; 3. a secondary filter screen; 4. a third-stage filter screen; 5. a traction wire; 6. a plugging cap; 7. a support skeleton; 8. a leak-proof annular plate; 9. a support ring; 10. and (5) plugging.

Detailed Description

In order to make the objects and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the following examples. It should be understood that the following text is used to describe only one or more specific embodiments of the present utility model and does not strictly limit the scope of protection of the specific claims.

Example 1

As shown in fig. 1 to 4, in a first embodiment of the present utility model, a sampler for facilitating tissue sample extraction and recovery is provided, which includes a sampling tube 1, a drainage tube 101 is fixedly installed at one end of the sampling tube 1, a negative pressure tube 102 is fixedly installed at the other end of the sampling tube 1, one end of the negative pressure tube 102 is connected with a negative pressure pump, the interior of the sampling tube 1 is pumped into negative pressure by negative pressure suction, then the interior of the drainage tube 101 is correspondingly formed into negative pressure, further, the resected tissue sample in the patient body is sucked out together with body fluid, a primary filter screen 2, a secondary filter screen 3 and a tertiary filter screen 4 are sequentially arranged in the sampling tube 1 from top to bottom, the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are all made of flexible materials, the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are all made of cone shapes, the tissue sample pumped out by the drainage tube 101 can move to the bottoms of the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 under the drive of body fluid, so that the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are not blocked by the tissue sample or along with body fluid effluent, three supporting rings 9 which are respectively corresponding to the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are integrally formed on the inner wall of the sampling tube 1, the pore diameters of the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are sequentially reduced, thereby tissue samples with different sizes can be filtered out, supporting frameworks 7 are respectively assembled inside the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4, a plugging cap 6 is sleeved on the top thread of the sampling tube 1, the plugging cap 6 is used for plugging the sampling tube 1, and a closed space can be formed inside the sampling tube 1, the axis of the bottom end of the plugging cap 6 is fixedly connected with a traction wire 5, and the traction wire 5 connects the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 in series.

Specifically, after the tissue in the patient is resected, the operator inserts drainage tube 101 into the patient through connecting endoscope system or pipeline, then operates the negative pressure pump, and the suction pump alright together extract with the body fluid with the tissue sample after the excision, the tissue sample of equidimension will be filtered out by primary filter screen 2, secondary filter screen 3 and tertiary filter screen 4 one by one, and the body fluid will be discharged from the inside of sampling tube 1 via negative pressure pipe 102, after the sample work is accomplished, the operator unscrews shutoff cap 6 in advance, then drives pull wire 5 through pulling shutoff cap 6 and removes, pull wire 5 alright pull out primary filter screen 2, secondary filter screen 3 and tertiary filter screen 4 from the inside of sampling tube 1 one by one.

As shown in fig. 2-4, the sampling tube 1 is configured as a cylinder, the bottoms of the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are integrally formed with a leakage-proof ring plate 8, the leakage-proof ring plate 8 is configured as a truncated cone with a large upper part and a small lower part, so that no effusion can be remained between the leakage-proof ring plate 8 and the primary filter screen 2, between the secondary filter screen 3 and the tertiary filter screen 4, after the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are taken out, tissue samples adhered to the outsides of the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 do not slide off, vertically symmetrical terrace grooves are formed in the inner sides of the supporting rings 9, the terrace grooves are matched with the leakage-proof ring plate 8, when the leakage-proof ring plate 8 moves under the action of the traction wires 5, the leakage-proof ring plate 8 is limited by the terrace grooves to be bent inwards, and meanwhile the supporting framework 7 is also contracted, and then the secondary filter screen 3 and the tertiary filter screen 4 positioned below the supporting rings 9 can be smoothly taken out.

Example 2

As shown in fig. 5-7, a second embodiment of the present utility model is based on the previous embodiment, mainly in that the shapes of the sampling tube 1 and the carrier ring 9 are different.

The sampling tube 1 is arranged in a square tube shape, and the supporting rings 9 are all arranged in a square frame shape matched with the inner wall of the sampling tube 1.

Further, the top of the sampling tube 1 is embedded with a sealing plug 10, a sealing rubber ring is arranged between the sealing plug 10 and the contact surface of the sampling tube 1, the axis of the bottom end of the sealing plug 10 is fixedly connected with the top end of the traction wire 5, the sealing plug 10 is assembled at the top end of the sampling tube 1 in a direct plugging mode, and the inner space of the sampling tube 1 can be sealed by matching with the function of the sealing rubber ring.

The working principle of the utility model is as follows: after the tissue in the patient is resected, an operator inserts the drainage tube 101 into the patient through an endoscope system or a pipeline, then the negative pressure pump is operated, the resected tissue samples and body fluid can be pumped out together by the negative pressure pump, the tissue samples with different sizes are filtered out by the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 one by one, the body fluid is discharged from the inside of the sampling tube 1 through the negative pressure tube 102, after the sampling work is finished, the operator firstly opens the plugging cap 6, then drives the traction wire 5 to move by pulling the plugging cap 6, the traction wire 5 can pull the tissue samples adhered on the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 from the inside of the sampling tube 1 one by one, and finally the tissue samples adhered on the primary filter screen 2, the secondary filter screen 3 and the tertiary filter screen 4 are extracted one by one.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated in the present application are all implemented by conventional means in the art unless specifically indicated and limited.

Claims

1. Sampler convenient to tissue sample takes out and retrieves, its characterized in that: including sample section of thick bamboo (1), the one end fixed mounting of sample section of thick bamboo (1) has drainage tube (101), the other end fixed mounting of sample section of thick bamboo (1) has negative pressure pipe (102), the one end of negative pressure pipe (102) is connected with the negative pressure pump, the inside of sample section of thick bamboo (1) has set gradually one-level filter screen (2), second grade filter screen (3) and tertiary filter screen (4) from top to bottom, just the aperture of one-level filter screen (2), second grade filter screen (3) and tertiary filter screen (4) reduces in proper order, the inside of one-level filter screen (2), second grade filter screen (3) and tertiary filter screen (4) all is equipped with braced frame (7), the top thread bush of sample section of thick bamboo (1) is equipped with shutoff cap (6), the axle center department fixedly connected with pull wire (5) of shutoff cap (6) bottom, pull wire (5) will one-level filter screen (2), second grade filter screen (3) and tertiary filter screen (4) are in series together.

2. A sampler for facilitating removal and retrieval of tissue samples as claimed in claim 1 wherein: the primary filter screen (2), the secondary filter screen (3) and the tertiary filter screen (4) are all arranged to be cone-shaped, and three supporting rings (9) corresponding to the primary filter screen (2), the secondary filter screen (3) and the tertiary filter screen (4) are formed in an integrated manner on the inner wall of the sampling tube (1).

3. A sampler for facilitating removal and retrieval of tissue samples as claimed in claim 2 wherein: the sampling tube (1) is arranged to be cylindrical, the bottom ends of the primary filter screen (2), the secondary filter screen (3) and the tertiary filter screen (4) are integrally formed with a leakage-proof annular plate (8), and the leakage-proof annular plate (8) is arranged to be in a round table shape with a large upper part and a small lower part.

4. A sampler for facilitating removal and retrieval of tissue samples as claimed in claim 3 wherein: the inner side of the supporting ring (9) is provided with a bench groove which is vertically symmetrical, and the bench groove is matched with the leakage-proof ring plate (8).

5. A sampler for facilitating removal and retrieval of tissue samples as claimed in claim 2 wherein: the sampling tube (1) is arranged to be square tube-shaped, and the supporting rings (9) are all arranged to be square frame-shaped which is matched with the inner wall of the sampling tube (1).

6. A sampler for facilitating removal and retrieval of tissue samples as recited in claim 5, wherein: the top of the sampling tube (1) is embedded with a sealing plug (10), a sealing rubber ring is arranged between the sealing plug (10) and the contact surface of the sampling tube (1), and the axis of the bottom of the sealing plug (10) is fixedly connected with the top of the traction wire (5).