CN112741656B - Tumor puncture extraction device - Google Patents

Abstract

The invention provides a tumor puncture extraction device, and relates to the field of medical treatment. This tumour puncture draw-out device, including syringe needle and the needle tubing that is used for extracting liquid, needle tubing and syringe needle intercommunication, syringe needle and absorption pipeline threaded connection, the top fixedly connected with layering sampling device of syringe needle, layering sampling device's bottom intercommunication has the drainage device, and the bottom of layering sampling device is cup jointed through ring and drainage device activity, the bottom intercommunication of drainage device has negative pressure pipeline. This tumour puncture draw-out device, the fan-shaped cavity that rotates among the drive rotation connecting device through servo motor's rotation rotates, and the fan-shaped connection nozzle that rotates the cavity surface intercommunication can be with the connecting hole intercommunication that fan-shaped connection nozzle and cylindrical cavity inner wall were seted up, and the convenience is carried the tumour tissue of the different degree of depth to extract.

Description

Tumor puncture extraction device

Technical Field

The invention relates to the field of medical treatment, in particular to a tumor puncture extraction device.

Background

Needle biopsy of tumors is a very important means for diagnosing benign and malignant tumors. Needle biopsy of tumors is usually performed under CT or ultrasound guidance, and after the location of the tumor is determined, a biopsy needle is used to penetrate into the tumor tissue to remove the appropriate tumor tissue, to send a pathological examination to determine whether it is a benign tumor or a malignant tumor, and to give further treatment.

The existing tumor puncture extraction device generally absorbs tissue cells from a tumor part through puncture for detection, so that diffused tumor cells cannot be finely classified and sampled, and in order to comprehensively extract and detect the tumor part, the scheme adopts a multi-layer tumor puncture extraction device to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a tumor puncture extraction device, which solves the problem that diffused tumor cells cannot be classified and sampled finely because tissue cells are punctured and absorbed at a tumor part for detection.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a tumour puncture draw-out device, includes the syringe needle and is used for extracting the needle tubing of liquid, needle tubing and syringe needle intercommunication, syringe needle and absorption pipeline threaded connection, the top fixedly connected with layering sampling device of syringe needle, layering sampling device's bottom intercommunication has the drain device, and layering sampling device's bottom is cup jointed through ring and drain device activity, the bottom intercommunication of drain device has negative pressure pipeline.

Preferably, stratified sampling device includes the disc body, connects lid, pipeline, cylindrical cavity, rotates connecting device, gear, drive gear, servo motor and connecting hole, the top of absorption pipeline run through the disc body and with the fixed intercommunication of the cylindrical cavity that the disc body is inside to be set up, the inner wall bottom center department of cylindrical cavity rotates through the bearing and is connected with rotation connecting device, rotate connecting device's top and gear fixed connection, the line of teeth end and drive gear meshing, drive gear's top and servo motor fixed connection, the circular inner wall at cylindrical cavity is seted up to the connecting hole, cylindrical cavity passes through connecting hole and pipeline intercommunication, pipeline keeps away from cylindrical cavity's one end and is connected the lid intercommunication, the bottom screw thread of connecting the lid and the thread groove threaded connection that leads liquid device top to set up.

Preferably, the rotary connecting device comprises a fan-shaped rotary cavity and a connecting nozzle, and the arc-shaped outer surface of the fan-shaped rotary cavity is communicated with the connecting nozzle communicated with the connecting hole.

Preferably, the sector-shaped rotating cavity in the rotating connecting device is sector-shaped and internally provided with a cavity.

Preferably, the liquid guiding device comprises a collecting pipe, a thread groove, a liquid guiding cone, a suction cone, a connecting ring, a flow guide cover, a connecting pipe and a sealing plug, the liquid guiding cone is arranged inside the collecting pipe, the outer surface of the liquid guiding cone is fixedly connected with the connecting ring, the bottom of the connecting ring is fixedly connected with the flow guide cover, the bottom of the liquid guiding cone is positioned inside the flow guide cover and fixedly connected with the suction cone, a negative pressure hole is formed in the surface of the suction cone, the suction cone is communicated with the connecting pipe through the negative pressure hole, and the bottom end of the connecting pipe penetrates through the sealing plug and is communicated with a negative pressure pipeline.

(III) advantageous effects

The invention provides a tumor puncture extraction device. The method has the following beneficial effects:

1. this tumour puncture draw-out device, the distance sensor that the syringe needle bottom set up can be after the needle tubing pierces through the skin surface, can know through the distance of syringe needle and skin surface, the degree of depth of needle tubing puncture, distance information through the different degree of depth with the syringe needle gives MCU processing unit, set up controllable servo motor's discontinuous rotation through discontinuous distance, the fan-shaped rotation cavity that can drive in the rotation connecting device through servo motor rotates, the fan-shaped connection nozzle that rotates cavity surface intercommunication, can be with the connecting hole intercommunication that fan-shaped connection nozzle and cylindrical cavity inner wall were seted up, the convenience is extracted the tumour tissue of the different degree of depth and is carried.

2. This tumour puncture draw-out device, servo motor rotate the round drive gear turned angle be 60 degrees, and servo motor intermittent type is the round, can effectively leave the tissue of drawing of the different degree of depth in different drainage devices through the 60 degrees rotation interval of gear, is convenient for carry out the sample test to the tumour thing of the different degree of depth.

3. This tumour puncture draw-out device, the bottom of collecting pipe is through sealed stifled and negative pressure pipeline intercommunication, can discharge negative pressure air from the collecting pipe through setting up negative pressure pipeline to can form the negative pressure with the needle tubing part and can absorb tissue liquid, thereby conveniently lead to the collecting pipe in with the tissue that draws.

4. This tumour puncture draw-out device, through the drain awl that sets up in the collecting pipe, the outer loop department of drain awl is connected with the kuppe through the go-between, can prevent through the setting of kuppe that interstitial fluid and absorption awl are last to be seted up negative pressure hole and to inhale the interstitial fluid of downward water conservancy diversion.

5. This tumour puncture draw-out device can be connected the thread groove at its top with the connecting cover screw thread through the setting of collecting pipe to make things convenient for the installation of taking of collecting pipe.

Drawings

FIG. 1 is a schematic view of a partial structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a bottom view of the structure of the present invention;

FIG. 4 is a schematic view of a rotary joint according to the present invention;

FIG. 5 is a schematic view of the liquid guiding device according to the present invention;

FIG. 6 is a schematic view of the configuration of the drainage device of the present invention;

FIG. 7 is a cross-sectional view of the structure of FIG. 6 taken at C-C in accordance with the present invention;

FIG. 8 is a schematic view of the configuration of the drainage device of the present invention;

FIG. 9 isbase:Sub>A cross-sectional view of the structure of the present invention at A-A in FIG. 8.

Wherein, 1, a needle head; 2. a needle tube; 201. a suction pipeline; 301. a circular ring; 302. a drainage device; 3021. a collection pipe; 3022. a thread groove; 3023. a liquid guiding cone; 3024. a suction cone; 3025. a connecting ring; 3026. a pod; 3027. a connecting pipe; 3028. sealing and blocking; 303. a negative pressure pipeline; 4. a stratified sampling device; 401. a disc body; 402. a connecting cover; 403. a delivery conduit; 404. a cylindrical cavity; 406. a rotating connection device; 4061. a sector-shaped rotating cavity; 4062. a gear; 4063. connecting a nozzle; 4064. a transmission gear; 4065. a servo motor; 410. and connecting the holes.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Referring to fig. 1-9, the present invention provides a tumor puncture extraction device, which comprises a needle 1 and aneedle tube 2 for extracting liquid, wherein theneedle tube 2 is communicated with the needle 1, the needle 1 is in threaded connection with anabsorption pipeline 201, the top end of the needle 1 is fixedly connected with a layered sampling device 4, the bottom of the layered sampling device 4 is communicated with aliquid guiding device 302, the bottom of the layered sampling device 4 is movably sleeved with theliquid guiding device 302 through acircular ring 301, and the bottom end of theliquid guiding device 302 is communicated with anegative pressure pipeline 303.

Specifically, the distance sensor that syringe needle 1 bottom set up can be aftersyringe needle 2 pierces through the skin surface, can know through the distance of syringe needle 1 with the skin surface, and the degree of depth ofsyringe needle 2 puncture is given MCU processing unit through the distance information transmission with the 1 different degree of depth of syringe needle, sets up the rotation of being interrupted ofsteerable servo motor 4065 through intermittent distance.

In this embodiment, the stratified sampling device 4 includes adisk body 401, aconnection cover 402, a conveyingpipeline 403, acylindrical cavity 404, arotation connection device 406, agear 4062, atransmission gear 4064, aservo motor 4065 and aconnection hole 410, the top of thesuction pipeline 201 penetrates through thedisk body 401 and is fixedly communicated with thecylindrical cavity 404 arranged inside thedisk body 401, the center of the bottom of the inner wall of thecylindrical cavity 404 is rotatably connected with therotation connection device 406 through a bearing, the top of therotation connection device 406 is fixedly connected with thegear 4062, the toothed end of thegear 4062 is engaged with thetransmission gear 4064, the top of thetransmission gear 4064 is fixedly connected with theservo motor 4065, theconnection hole 410 is formed in the circular inner wall of thecylindrical cavity 404, thecylindrical cavity 404 is communicated with the conveyingpipeline 403 through theconnection hole 410, one end of the conveyingpipeline 403 far away from thecylindrical cavity 404 is communicated with theconnection cover 402, and the bottom thread of theconnection cover 402 is in threaded connection with athread groove 3022 formed in the top of theliquid guiding device 302.

Specifically,servo motor 4065 rotates thatround drive gear 4062 turned angle is 60 degrees, andservo motor 4065 intermittent type is the round, and the 60 degrees rotation interval throughgear 4062 can be effectively deposited the tissue of drawing of the different degree of depth in different drainage devices, is convenient for carry out the sample test to the tumour thing of the different degree of depth.

In this embodiment, therotating connection device 406 includes a fan-shapedrotating cavity 4061 and aconnection nozzle 4063, the arc-shaped outer surface of the fan-shapedrotating cavity 4061 is communicated with theconnection nozzle 4063 communicated with theconnection hole 410, and the fan-shapedrotating cavity 4061 in therotating connection device 406 is fan-shaped and has a hollow inside.

Rotation throughservo motor 4065 can drive the fan-shapedcavity 4061 that rotates among therotation connecting device 406 and rotate, and the fan-shapedconnection nozzle 4063 that rotates the outer surface ofcavity 4061 intercommunication can be with the connectinghole 410 intercommunication that fan-shapedconnection nozzle 4063 andcylindrical cavity 404 inner wall were seted up, conveniently extracts the tumour tissue of the different degree of depth and carries.

In this embodiment, theliquid guiding device 302 includes acollecting pipe 3021, athread groove 3022, aliquid guiding cone 3023, an absorbingcone 3024, a connectingring 3025, afairlead 3026, a connectingpipe 3027, and asealing plug 3028, where theliquid guiding cone 3023 is disposed inside the collectingpipe 3021, an outer surface of theliquid guiding cone 3023 is fixedly connected to the connectingring 3025, a bottom of the connectingring 3025 is fixedly connected to thefairlead 3026, a bottom of thefairlead 3023 is located inside thefairlead 3026 and is fixedly connected to the absorbingcone 3024, a negative pressure hole is formed in a surface of the absorbingcone 3024, the absorbingcone 3024 is communicated with the connectingpipe 3027 through the negative pressure hole, and a bottom end of the connectingpipe 3027 penetrates through the sealingplug 3028 and is communicated with thenegative pressure pipeline 303.

Specifically, thedrainage cone 3023 is arranged in thecollection tube 3021, the outer ring of thedrainage cone 3023 is connected to thedome 3026 through theconnection ring 3025, the arrangement of thedome 3026 can prevent the tissue fluid and thesuction cone 3024 from sucking the tissue fluid guided downward, and the arrangement of thecollection tube 3021 can connect thethread groove 3022 at the top thereof with theconnection cap 402 by threads, thereby facilitating the taking and installation of thecollection tube 3021.

The working principle and the using process of the invention are as follows: connect this device and multidirectional robotic arm, the position of convenient control syringe needle, the distance sensor that syringe needle 1 bottom set up can be after needle tubing 2 pierces through the skin surface, can know through the distance of syringe needle 1 and skin surface, the degree of depth of needle tubing 2 puncture, through transmitting the distance information of the different degree of depth of syringe needle 1 to MCU processing unit, set up the intermittent rotation of controllable servo motor 4065 through intermittent distance, the rotation through servo motor 4065 can drive the fan-shaped rotation cavity 4061 that rotates in the connecting device 406 and rotate, the connecting nozzle 4063 of fan-shaped rotation cavity 4061 surface intercommunication, can communicate fan-shaped connecting nozzle 4063 with the connecting hole 410 that cylindrical cavity 404 inner wall was seted up, servo motor 4065 rotates round drive gear 4062 turned angle and is 60 degrees, servo motor 4065 intermittent type is the round, sealed stifled 3028 and negative pressure pipeline 303 intercommunication are passed through to the bottom of collecting tube 3021, can discharge negative pressure air from collecting tube 3021 through setting up negative pressure pipeline 303, and can form 2 parts and can absorb tissue liquid, thereby conveniently lead to the tissue that draws to the collecting tube 3021 in, can deposit the effective tissue of the different degree of collection interval of the needle tubing of the different depths of the needle tubing, thereby realize the device.

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

Claims (3)

1. A tumor puncture extraction device comprising a needle (1) and a needle tube (2) for extracting a liquid, characterized in that: the needle tube (2) is communicated with the needle head (1), the needle head (1) is in threaded connection with the suction pipeline (201), the top end of the needle head (1) is fixedly connected with a layered sampling device (4), the bottom of the layered sampling device (4) is communicated with a liquid guiding device (302), the bottom of the layered sampling device (4) is movably sleeved with the liquid guiding device (302) through a circular ring (301), and the bottom end of the liquid guiding device (302) is communicated with a negative pressure pipeline (303);

the layered sampling device (4) comprises a disc body (401), a connecting cover (402), a conveying pipeline (403), a cylindrical cavity (404), a rotating connecting device (406), a gear (4062), a transmission gear (4064), a servo motor (4065) and a connecting hole (410), wherein the top of the suction pipeline (201) penetrates through the disc body (401) and is fixedly communicated with the cylindrical cavity (404) arranged inside the disc body (401), the center of the bottom of the inner wall of the cylindrical cavity (404) is rotatably connected with the rotating connecting device (406) through a bearing, the top of the rotating connecting device (406) is fixedly connected with the gear (4062), the toothed end of the gear (4062) is meshed with the transmission gear (4064), the top of the transmission gear (4064) is fixedly connected with the servo motor (4065), the connecting hole (410) is formed in the circular inner wall of the cylindrical cavity (404), the cylindrical cavity (404) is communicated with the conveying pipeline (403) through the connecting hole (410), one end, far away from the cylindrical cavity (404), is communicated with the connecting cover (402), and the threaded groove (3022) is arranged at the bottom of the threaded connection device (302);

the drain device (302) includes collecting pipe (3021), thread groove (3022), drain awl (3023), absorbs awl (3024), go up ring (3025), kuppe (3026), connecting pipe (3027) and sealed stifled (3028), drain awl (3023) sets up inside collecting pipe (3021), the surface and the go up ring (3025) fixed connection of drain awl (3023), the bottom and the kuppe (3026) fixed connection of go up ring (3025), the bottom of drain awl (3023) and the inside and the absorption awl (3024) fixed connection that are located kuppe (3026), the negative pressure hole has been seted up on the surface of absorption awl (3024), it communicates with connecting pipe (3027) through the negative pressure hole to absorb awl (3024), the bottom of connecting pipe (3027) runs through sealed stifled (3028) and communicates with negative pressure pipeline (303).

2. A tumor puncture extraction device according to claim 1, wherein: the rotary connecting device (406) comprises a fan-shaped rotary cavity (4061) and a connecting nozzle (4063), and the arc-shaped outer surface of the fan-shaped rotary cavity (4061) is communicated with the connecting nozzle (4063) communicated with the connecting hole (410).

3. A tumor puncture extraction device according to claim 1, wherein: the sector-shaped rotating cavity (4061) in the rotating connecting device (406) is sector-shaped and the inside is a cavity.

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