CN216148106U

CN216148106U - Tumor tissue sampler for treating tumor

Info

Publication number: CN216148106U
Application number: CN202122179258.0U
Authority: CN
Inventors: 贾萍萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-04-01
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a tumor tissue sampler for treating tumors, which comprises a sampling needle tube, wherein the inner cavity of the sampling needle tube is axially and movably connected with a connecting rod in a limiting manner, the top end of the connecting rod is fixedly connected with a connecting plate for pushing and pulling the connecting rod, and an arc-shaped contour at one end, far away from the connecting plate, of the connecting rod is provided with a clamping mechanism for limiting the axial moving distance of the connecting rod. According to the utility model, through the clamping mechanism, after the rectangular connecting block is stretched to the top of the sampling needle tube by medical personnel, the annular external thread plate is ejected out under the elastic action of the rectangular limiting block through the rectangular limiting block in the telescopic tube, so that the top of the annular external thread plate when the annular external thread plate moves to the sampling needle tube can effectively limit the rectangular connecting block, the rectangular connecting block can be limited by equipment, and the use comfort of the equipment is further increased.

Description

Tumor tissue sampler for treating tumor

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a tumor tissue sampler for treating tumors.

Background

Medical devices refer to instruments, devices, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including computer software as needed for the purpose of diagnosis, prevention, monitoring, treatment or alleviation of diseases, diagnosis, monitoring, treatment, alleviation or functional compensation of injuries, examination, substitution, regulation or support of physiological structures or processes, support or maintenance of life, pregnancy control, providing information for medical or diagnostic purposes by examining samples from the human body.

But the tumour sampler that has now on the market needs medical personnel to hold the connecting rod for a long time after medical personnel accomplishes the patient sample, keeps in the inside of sample needle tubing with the sample of extraction, and long-time handheld connecting rod for medical personnel's intensity of labour when the sample increases, has also reduced the comfort level of medical personnel during operation, consequently to above-mentioned problem, proposes the tumour tissue sampler for a treatment tumour.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tumor tissue sampler for treating tumors, which has the advantages that after sampling, equipment can move a connecting rod to the top of a sampling needle tube, so that the use comfort of the equipment is improved, and the problem that an operator needs to hold the connecting rod for a long time to keep a sample in the sampling needle tube when the existing equipment is used is solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a tumor tissue sampler for treating tumors comprises a sampling needle tube, wherein an inner cavity of the sampling needle tube is axially and movably connected with a connecting rod in a limiting manner, the top end of the connecting rod is fixedly connected with a connecting plate for pushing and pulling the connecting rod, and an arc-shaped outline of one end, far away from the connecting plate, of the connecting rod is provided with a clamping mechanism for limiting the axial moving distance of the connecting rod;

the clamping mechanism comprises a rectangular connecting block, one end of the rectangular connecting block is fixedly connected to the outer surface of the connecting rod, a rectangular limiting cavity is formed in the other end of the rectangular connecting block, a rectangular limiting block is connected to the inner cavity of the rectangular limiting cavity in a limiting and sliding mode, a telescopic pipe for limiting the axial moving distance of the rectangular limiting block is detachably connected to the inner wall of the rectangular limiting cavity, a reset pressure spring for limiting the axial moving distance of the telescopic pipe is sleeved on the outer contour of the telescopic pipe, the side surface of the rectangular limiting block is fixedly connected with one end, far away from the connecting rod, of the telescopic pipe, the two ends of the reset pressure spring are fixedly connected to the inner wall of the rectangular limiting cavity and the side surface of the rectangular limiting block respectively, and the lower surface of the rectangular limiting block is movably connected with the top of the sampling needle tube;

the bottom demountable installation of sample needle tubing has the disc, the top fixedly connected with annular external screw thread board of disc, the annular internal thread groove with annular external screw thread board threaded connection is seted up to the bottom of sample needle tubing, the centre of a circle department of disc has seted up the through-hole and has pegged graft the pipe through-hole fixedly connected with, the centre of a circle department of sample needle tubing bottom is equipped with carries out the complex connector of pegging graft with the pipe of pegging graft, the inner wall that the pipe of pegging graft is close to the bottom is pegged graft and is had the sample syringe needle that is used for impaling the patient internal.

Preferably, the bottom of the disc is fixedly connected with a truncated cone-shaped pipeline, the position with a smaller opening at the top of the disc faces the sampling needle tube, and the disc and the truncated cone-shaped pipeline are combined together to form a containing cover body capable of collecting residual samples.

Preferably, the inner wall of the sampling needle tube is symmetrically provided with connecting grooves, and the inside of each connecting groove is connected with one end of the rectangular connecting block in a sliding manner.

Preferably, the outer surface of the sampling needle close to the top is provided with an outer spiral groove, the inner wall of the insertion pipe close to the bottom is provided with an inner spiral groove, and the inner wall of the inner spiral groove is in threaded connection with the outer wall of the outer spiral groove.

Preferably, the connector is close to sampling syringe needle one end and has seted up annular inserting groove, the other end fixedly connected with annular plugboard that the sampling syringe needle is close to the connector, annular plugboard joint is in the inside of annular inserting groove.

Preferably, the outer surface of the annular insertion plate is sleeved with a sealing gasket for sealing the joint of the bottom of the connector and the top of the sampling needle, and the sealing gasket is movably connected to the inner wall of the annular insertion groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the clamping mechanism, after the rectangular connecting block is stretched to the top of the sampling needle tube by medical personnel, the annular external thread plate is ejected out under the elastic action of the rectangular limiting block through the rectangular limiting block in the telescopic tube, so that the top of the annular external thread plate when the annular external thread plate moves to the sampling needle tube can effectively limit the rectangular connecting block, the rectangular connecting block can be limited by equipment, and the use comfort of the equipment is further increased.

2. According to the utility model, through the arranged disc, an operator inverts the device, and can store the blood or tumor tissue remained on the sampling needle head into the disc after sampling is completed, so that the collection effect of the residual sample on the sampling needle head is increased after the device is used, and the protection effect on medical personnel is further increased.

Drawings

FIG. 1 is a schematic diagram of the overall front view structure of the apparatus of the present invention;

FIG. 2 is a schematic sectional view of the whole apparatus of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A according to the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2B;

FIG. 5 is a schematic view of the connection structure of the connector and the sampling needle of the present invention.

In the figure: 1. a sampling needle tube; 2. a connecting rod; 3. a connecting plate; 4. a rectangular connecting block; 5. A rectangular limiting cavity; 6. a telescopic pipe; 7. resetting the pressure spring; 8. a rectangular limiting block; 9. connecting grooves; 10. a disc; 11. an annular externally threaded plate; 12. an annular internal thread groove; 13. a connector; 14. inserting a pipe; 15. a sampling needle; 16. an external thread groove; 17. an inner spiral groove; 18. an annular patch panel; 19. an annular insertion groove; 20. a gasket; 21. a pipe in the shape of a truncated cone.

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 to 5, the present invention provides a technical solution: a tumor tissue sampler for treating tumors comprises a sampling needle tube 1, wherein an inner cavity of the sampling needle tube 1 is axially and movably connected with a connecting rod 2 in a limiting manner, the top end of the connecting rod 2 is fixedly connected with a connecting plate 3 for pushing and pulling the connecting rod 2, and an arc-shaped contour of one end, far away from the connecting plate 3, of the connecting rod 2 is provided with a clamping mechanism for limiting the axial moving distance of the connecting rod 2;

the clamping mechanism comprises a rectangular connecting block 4, one end of the rectangular connecting block 4 is fixedly connected to the outer surface of the connecting rod 2, the other end of the rectangular connecting block 4 is provided with a rectangular limiting cavity 5, the inner cavity of the rectangular limiting cavity 5 is in limiting sliding connection with a rectangular limiting block 8, the inner wall of the rectangular limiting cavity 5 is detachably connected with a telescopic pipe 6 which limits the axial moving distance of the rectangular limiting block 8, the outer contour of the telescopic pipe 6 is sleeved with a reset pressure spring 7 which limits the axial moving distance of the telescopic pipe 6, the side surface of the rectangular limiting block 8 is fixedly connected with one end, far away from the connecting rod 2, of the telescopic pipe 6, two ends of the reset pressure spring 7 are respectively and fixedly connected with the inner wall of the rectangular limiting cavity 5 and the side surface of the rectangular limiting block 8, and the lower surface of the rectangular limiting block 8 is movably connected with the top of the sampling needle tube 1;

the bottom of the sampling needle tube 1 is detachably provided with a disc 10, the top of the disc 10 is fixedly connected with an annular external thread plate 11, the bottom of the sampling needle tube 1 is provided with an annular internal thread groove 12 in threaded connection with the annular external thread plate 11, the circle center of the disc 10 is provided with a through hole and is fixedly connected with an inserting tube 14 through the through hole, the circle center of the bottom of the sampling needle tube 1 is provided with a connector 13 in inserting fit with the inserting tube 14, the inner wall of the inserting tube 14 close to the bottom is inserted with a sampling needle head 15 for penetrating into a patient, which is beneficial to clamping a connecting rod 2 after sampling is completed, avoiding the connecting rod 2 rebounding to the inner cavity of the sampling needle tube 1, causing waste caused by discharge of tumor tissues after sampling, and being capable of accommodating residual samples on the sampling needle head 15 after sampling, an operator inserts the sampling needle head 15 into a position to be sampled by the patient, and then drives the connecting rod 2 to be pulled towards the top of the sampling needle tube 1 by pulling the connecting plate 3, so that the sampling needle tube 1 at the bottom of the connecting rod 2 forms a negative pressure space, a sample is sucked into the sampling needle tube 1 through the sampling needle head 15, after sampling, medical personnel continuously pull the connecting rod 2 to move upwards to drive the telescopic tube 6 on the connecting rod 2 to move upwards, so that the lower surface of the extension tube 6 is flush with the upper surface of the sampling needle tube 1, at the moment, the extension tube 6 and the rectangular limit block 8 are driven by the reset pressure spring 7 to pop out from the inner cavity of the rectangular limit cavity 5, the lower surface of the rectangular limiting block 8 is movably connected with the upper surface of the sampling needle tube 1, the connecting rod 2 can be clamped, the situation that a sampling object is discharged due to resilience of the connecting rod 2 when the device is used is avoided, the sampling object can be stored in the sampling needle tube 1 temporarily, medical staff do not need to pull the connecting rod 2 for a long time to store the sampling object temporarily, and the comfort level of the device during use is improved;

when an operator finishes sampling a tumor sample, the equipment is quickly inverted, so that the sampling needle head 15 faces upwards, residual samples stained on the sampling needle head 15 can flow onto the disc 10, the operator can effectively collect the residual samples, when the operator finishes collecting the residual samples, the residual samples are poured into a specified position, then the operator takes the annular external thread plate 11 at the top of the disc 10 down from the annular internal thread groove 12 at the bottom of the sampling needle tube 1, so that the insertion tube 14 is separated from the connector 13, the disc 10 is disassembled, finally the sampling needle head 15 is disassembled from the insertion tube 14 and is sterilized, and when the disc 10 and the sampling needle head 15 are required to be assembled at the bottom of the sampling needle tube 1, the annular external thread plate 11 at the top of the disc 10 is in threaded connection with the annular internal thread groove 12 at the lower surface of the sampling needle tube 1, then utilize grafting pipe 14 and connector 13 to peg graft, be connected sampling needle 15 and grafting pipe 14 again, utilize grafting pipe 14 to seal the junction of connector 13 and sampling needle 15, also make operating personnel more convenient to disc 10 and sampling needle 15 dismouting.

Please refer to fig. 2, the bottom of the disc 10 is fixedly connected with a truncated cone-shaped pipeline 21, the position of the top of the disc 10 with a smaller opening faces the sampling needle tube 1, the disc 10 and the truncated cone-shaped pipeline 21 are combined together to form a housing cover body which can be used for collecting the residual sampling object, which is beneficial to collecting the residual sampling object after sampling, the housing cover body is assembled with the truncated cone-shaped pipeline 21 at the bottom of the disc 10 to form a housing cover body which is convenient for collecting and protecting, the housing cover body is used for protecting the residual sampling object to avoid splashing, and unnecessary danger is caused to the medical staff.

Referring to fig. 2, the inner wall of the sampling needle tube 1 is symmetrically provided with connecting grooves 9, the inside of the connecting grooves 9 is slidably connected with one end of the rectangular connecting block 4, which is beneficial to the rectangular connecting block 4 to limit the rectangular connecting block 4 while the sampling needle tube 1 slides inside, so as to prevent the connecting rod 2 from shifting in angle when sliding.

Referring to fig. 4, an outer screw groove 16 is formed on the outer surface of the sampling needle 15 near the top, an inner screw groove 17 is formed on the inner wall of the insertion tube 14 near the bottom, and the inner wall of the inner screw groove 17 is in threaded connection with the outer wall of the outer screw groove 16, which is beneficial to fixing the sampling needle 15 inside the insertion tube 14 and is convenient for an operator to disassemble and assemble the sampling needle 15.

Please refer to fig. 5, one end of the connector 13 close to the sampling needle 15 is provided with an annular insertion groove 19, the other end of the sampling needle 15 close to the connector 13 is fixedly connected with an annular insertion plate 18, the annular insertion plate 18 is clamped inside the annular insertion groove 19, which is beneficial for connecting and sealing the sampling needle 15 and the connector 13, the annular insertion plate 18 at the top of the sampling needle 15 is inserted into the annular insertion groove 19 formed at the bottom of the connector 13, the sampling needle 15 is connected with the connector 13, and the joint of the sampling needle 15 and the connector 13 is sealed through the annular insertion plate 18.

Referring to fig. 5, the outer surface of the annular insertion plate 18 is sleeved with a sealing gasket 20 for sealing the joint between the bottom of the connector 13 and the top of the sampling needle 15, the sealing gasket 20 is movably connected to the inner wall of the annular insertion groove 19, which is beneficial for sealing the sampling needle 15 and the connector 13, and the sealing gasket 20 is inserted into the inner wall of the annular insertion groove 19 when the annular insertion plate 18 is connected with the annular insertion groove 19. The joint of the annular plug board 18 and the annular plug groove 19 is sealed, so that the sealing effect of the equipment in use is increased

The working principle is as follows: when the tumor tissue sampler for treating tumors is used, an operator inserts a sampling needle head 15 into a position to be sampled of a patient, then pulls a connecting rod 2 to the top of the sampling needle tube 1 by pulling a connecting plate 3, so that the sampling needle tube 1 at the bottom of the connecting rod 2 forms a negative pressure space, a tumor sample is sucked into the sampling needle tube 1 through the sampling needle head 15, medical personnel continuously pulls the connecting rod 2 to move upwards after sampling, drives a telescopic tube 6 on the connecting rod 2 to move upwards, so that the lower surface of the telescopic tube 6 is flush with the upper surface of the sampling needle tube 1, drives the telescopic tube 6 and a rectangular stopper 8 to pop out from an inner cavity of a rectangular stopper cavity 5 by a reset pressure spring 7, so that the lower surface of the rectangular stopper 8 is movably connected with the upper surface of the sampling needle tube 1, at the moment, the connecting rod 2 can be clamped and processed, and the phenomenon that the sampling object is discharged due to the resilience of the connecting rod 2 when the device is used is avoided, also makes the sampling material temporarily stored in the interior of the sampling needle tube 1

When an operator finishes sampling a tumor sample, the equipment is quickly inverted, so that the sampling needle head 15 faces upwards, residual samples stained on the sampling needle head 15 can flow onto the disc 10, the operator can effectively collect the residual samples, when the operator finishes collecting the residual samples, the residual samples are poured into a specified position, then the operator takes the annular external thread plate 11 at the top of the disc 10 down from the annular internal thread groove 12 at the bottom of the sampling needle tube 1, so that the insertion tube 14 is separated from the connector 13, the disc 10 is disassembled, finally the sampling needle head 15 is disassembled from the insertion tube 14 and is sterilized, and when the disc 10 and the sampling needle head 15 are required to be assembled at the bottom of the sampling needle tube 1, the annular external thread plate 11 at the top of the disc 10 is in threaded connection with the annular internal thread groove 12 at the lower surface of the sampling needle tube 1, then, the inserting pipe 14 is used for inserting with the connector 13, and finally, the sampling needle 15 is connected with the inserting pipe 14, so that the equipment is assembled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A tumor tissue sampler for treating tumors, comprising a sampling needle tube (1), characterized in that: the axial limiting and movable connection device is characterized in that a connecting rod (2) is movably connected to the inner cavity of the sampling needle tube (1) in a limiting mode, a connecting plate (3) for pushing and pulling the connecting rod (2) is fixedly connected to the top end of the connecting rod (2), and a clamping mechanism for limiting the axial moving distance of the connecting rod (2) is arranged on an arc-shaped outline of one end, far away from the connecting plate (3), of the connecting rod (2);

the clamping mechanism comprises a rectangular connecting block (4), one end of the rectangular connecting block (4) is fixedly connected to the outer surface of the connecting rod (2), the other end of the rectangular connecting block (4) is provided with a rectangular limiting cavity (5), the inner cavity of the rectangular limiting cavity (5) is in limiting sliding connection with a rectangular limiting block (8), the inner wall of the rectangular limiting cavity (5) is detachably connected with a telescopic pipe (6) for limiting the axial movement distance of the rectangular limiting block (8), the outer contour of the telescopic pipe (6) is sleeved with a reset pressure spring (7) for limiting the axial movement distance of the telescopic pipe (6), the side surface of the rectangular limiting block (8) is fixedly connected with one end, far away from the connecting rod (2), of the telescopic pipe (6), and the two ends of the reset pressure spring (7) are respectively fixedly connected with the inner wall of the rectangular limiting cavity (5) and the side surface of the rectangular limiting block (8), the lower surface of the rectangular limiting block (8) is movably connected with the top of the sampling needle tube (1);

the bottom demountable installation of sample needle tubing (1) has disc (10), the top fixedly connected with annular external thread board (11) of disc (10), the annular internal thread groove (12) with annular external thread board (11) threaded connection is seted up to the bottom of sample needle tubing (1), the centre of a circle department of disc (10) has seted up the through-hole and has pegged graft pipe (14) through-hole fixedly connected with, the centre of a circle department of sample needle tubing (1) bottom is equipped with and pegs graft complex connector (13) with pegging graft pipe (14), peg graft pipe (14) and be close to the inner wall grafting of bottom and have and be used for pricking patient internal sample syringe needle (15).

2. The tumor tissue sampler of claim 1, wherein: the bottom fixedly connected with round platform shape pipeline (21) of disc (10) combines together through disc (10) and round platform shape pipeline (21) and forms the storage cover body that can be used to carry out the collection to the residual sample thing.

3. The tumor tissue sampler of claim 1, wherein: the inner wall symmetry of sample needle tubing (1) has seted up spread groove (9), the inside and the one end sliding connection of rectangle connecting block (4) of spread groove (9).

4. The tumor tissue sampler of claim 1, wherein: the outer surface of the sampling needle head (15) close to the top is provided with an outer screw groove (16), the inner wall of the insertion pipe (14) close to the bottom is provided with an inner screw groove (17), and the inner wall of the inner screw groove (17) is in threaded connection with the outer wall of the outer screw groove (16).

5. The tumor tissue sampler of claim 1, wherein: the connector (13) is close to sampling syringe needle (15) one end and has been seted up annular inserting groove (19), other end fixedly connected with annular plugboard (18) that sampling syringe needle (15) are close to connector (13), annular plugboard (18) joint is in the inside of annular inserting groove (19).

6. The tumor tissue sampler for treating tumor according to claim 5, wherein: the outer surface of the annular insertion plate (18) is sleeved with a sealing gasket (20) for sealing the joint of the bottom of the connector (13) and the top of the sampling needle head (15), and the sealing gasket (20) is movably connected to the inner wall of the annular insertion groove (19).