CN210056090U

CN210056090U - Sampling device convenient to tumour detects usefulness

Info

Publication number: CN210056090U
Application number: CN201920209098.XU
Authority: CN
Inventors: 万源; 王礼学; 王国相
Original assignee: Nanjing To Thailand Biomedical Science And Technology Co Ltd
Current assignee: Nanjing To Thailand Biomedical Science And Technology Co Ltd
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2020-02-14
Anticipated expiration: 2029-02-19

Abstract

The utility model discloses a sampling device convenient to tumour detection usefulness, including the piston pipe, the top inner wall joint of piston pipe has the sealing plug, and the outer wall axle center department of sealing plug opens there is the through-hole, and the through-hole inner wall is pegged graft and is had the trachea, the one end that the sealing plug was kept away from to the trachea is connected with sampling controller, the bottom outer wall butt fusion of piston pipe has the needle cannula, and the outer wall joint of needle cannula has spacing cap, the inner wall joint of spacing cap has the pjncture needle, and the top outer wall welding of pjncture needle has the dial, the inner wall of spacing cap is opened there is two archs to lead to the. The utility model discloses well integrated puncture and extraction tissue reduce the condition that the tissue blockked up and appear, and the sample volume is controlled through long when absorbing through miniature sucking pump, and draw-out device can use repeatedly, only needs to change the pjncture needle part, and the pjncture needle organizes the sample through the sample connection of side, and after taking a sample, the annular spacing groove is filled in to the dial, when the syringe needle is retrieved, reduces cross infection.

Description

Sampling device convenient to tumour detects usefulness

Technical Field

The utility model relates to a tumour detects technical field, especially relates to a sampling device convenient to tumour detection usefulness.

Background

The tumor is an abnormal lesion formed by clonal abnormal hyperplasia caused by that a certain cell of a local tissue loses normal regulation and control on the growth of the local tissue on the gene level under the action of various carcinogenic factors, but the tumor is also divided into malignant tumor and benign tumor, the pathological analysis of the tumor needs to sample and analyze the interior of the tumor, and the tumor biopsy sampling can be realized by a scalpel when a patient is clinically subjected to tumor biopsy sampling, but the wound is large, so that the patient suffers from pain. Through the retrieval, chinese patent publication is CN 205391136U's patent, discloses a tumour sampler, including the body, the equal spiro union in both ends has end cover about the body, the outer wall of body left side end cover is provided with the screw thread knob, the bottom of body is provided with collects the storehouse, the inner chamber of body is installed the sample and is pushed away the section of thick bamboo, the right-hand member of sample push away the section of thick bamboo has cup jointed the bearing.

The tumor sampling device in the above patent has the following disadvantages: the prior injector is adopted for sampling, but the needle head of the common injector is smooth and has narrow needle cavity, the tissue to be detected is not easy to separate and take out when entering the needle cavity, and the partial tissue in the needle head is exposed when the needle head is recovered, thereby possibly causing cross infection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sampling device convenient for tumor detection.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sampling device convenient for tumor detection, which comprises a piston tube, wherein the inner wall of the top end of the piston tube is clamped with a sealing plug, a through hole is arranged at the axis of the outer wall of the sealing plug, an air pipe is inserted into the inner wall of the through hole, one end of the air pipe far away from the sealing plug is connected with a sampling controller, the outer wall of the bottom end of the piston pipe is welded with a needle sleeve, and the outer wall of the needle sleeve is clamped with a limit cap, the inner wall of the limit cap is clamped with a puncture needle, the outer wall of the top end of the puncture needle is welded with a needle dial, the inner wall of the limit cap is provided with a double-arch through groove, and an annular limiting groove is reserved at the axis of the inner wall of the double-arch through groove, the inner wall of the bottom of the piston pipe is connected with a piston in a sliding way, and the inner wall of the bottom of the piston is provided with a groove, the joint of the inner wall of the groove and the inner wall of the needle sleeve is clamped with an anti-suck-back ball plug, and one side of the outer wall of the bottom end of the piston pipe is welded with a side sample outlet pipe, and the outer wall of the side sample outlet pipe is sleeved with a rubber cap.

Preferably, the puncture needle comprises a puncture head and a dip tube, and a sampling port is formed at the connection part of the puncture head and the dip tube and communicated with the dip tube.

Preferably, the inner walls of the two sides of the dip tube are both provided with a convection channel, and a seal is arranged at the joint of the convection channel and the dial.

Preferably, the specification of the dial is matched with that of the annular limiting groove, and the top end of the seal is tightly attached to the inner wall of the annular limiting groove.

Preferably, the sampling controller comprises a shell and a display screen, and the display screen is clamped on the outer wall of the shell.

Preferably, the inner wall of the shell is provided with a clamping groove, the inner wall of the clamping groove is fixedly provided with a micro suction pump through a bolt, and the input end of the micro suction pump is connected with the air pipe.

Preferably, the outer wall of one side of casing is opened there is logical groove, and leads to groove inner wall sliding connection and have and end the stop switch button, the inner wall of sample controller has through the bolt fastening and ends the stop switch, and ends the stop switch button joint on the outer wall that ends the stop switch, miniature suction pump is connected with the stop switch, and ends the stop switch and be connected with the PLC controller through the wire.

The utility model has the advantages that:

1. the tumor sampling device adopts the puncture and tissue extraction to replace the traditional needle body for extraction, so that the occurrence of tissue blockage is reduced, meanwhile, the whole tissue is absorbed and stored between the suck-back prevention ball plug and the piston, the tissue sampling is carried out from the side surface, the length of the sample volume is controlled by the absorption time of the micro suction pump, the extraction device can be repeatedly used, only the puncture needle part needs to be replaced, and the detection cost is saved;

2. this tumour sampling device's pjncture needle organizes the sample through the sample connection of side, and after taking a sample, the annular spacing groove in spacing cap is filled in to the dial, and when the syringe needle was retrieved, the reduction can organize and expose the possibility, avoids causing cross infection.

To sum up, the integrated puncture of this tumour sampling device and extraction tissue reduce the condition that the tissue blockked up and appear, and the sample volume is controlled when absorbing through miniature sucking pump, and draw-out device can use repeatedly, only needs to change pjncture needle part, and the pjncture needle organizes the sample through the sample connection of side, and after taking a sample, the annular spacing groove is filled in to the dial, when the syringe needle is retrieving, reduces cross infection.

Drawings

Fig. 1 is a schematic structural diagram of a sampling device for tumor detection according to the present invention;

fig. 2 is a schematic structural view of a dial of a sampling device for tumor detection according to the present invention;

fig. 3 is a schematic view of a local section structure of a sampling controller of a sampling device for conveniently detecting tumors.

In the figure: the device comprises a puncture needle 1, a sampling port 2, a sampling controller 3, a display screen 4, a stop switch 5, an air pipe 6, a sealing plug 7, a piston pipe 8, a piston 9, an anti-suck-back ball plug 10, a sample outlet pipe 11, a limit cap 12, a dial 13, an anti-displacement groove 14, a flow channel 15, a shell 16 and a miniature suction pump 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a sampling device convenient for tumor detection comprises a piston tube 8, a sealing plug 7 is clamped on the inner wall of the top end of the piston tube 8, a through hole is arranged at the axis of the outer wall of the sealing plug 7, an air tube 6 is inserted into the inner wall of the through hole, a sampling controller 3 is connected with one end of the air tube 6 far away from the sealing plug 7, a needle sleeve is welded on the outer wall of the bottom end of the piston tube 8, a limit cap 12 is clamped on the outer wall of the needle sleeve, a puncture needle 1 is clamped on the inner wall of the limit cap 12, a needle disc 13 is welded on the outer wall of the top end of the puncture needle 1, a double-arch through groove is arranged on the inner wall of the limit cap 12, an annular limit groove is arranged at the axis of the inner wall of the double-arch through groove, a piston 9 is slidably connected on the inner wall of the bottom of the piston tube 8, a groove is arranged on the inner wall of the piston 9, and the outer wall of the side sample outlet pipe 11 is sleeved with a rubber cap, the puncture needle 1 comprises a puncture head and a dip pipe, the puncture needle 1 is provided with a sampling port 2 at the joint of the puncture head and the dip pipe, the sampling port 2 is communicated with the dip pipe, the inner walls of the two sides of the dip pipe are both provided with a flow passage 15, a seal is arranged at the joint of the flow passage 15 and the needle dial 13, the specification of the needle dial 13 is matched with that of an annular limiting groove, the top end of the seal is tightly attached to the inner wall of the annular limiting groove, the sampling controller 3 comprises a shell 16 and a display screen 4, the display screen 4 is clamped on the outer wall of the shell 16, the inner wall of the shell 16 is provided with a clamping groove, the inner wall of the clamping groove is fixed with a micro suction pump 17 through bolts, the input end of the micro suction pump 17 is connected with the air pipe 6, the outer wall of one side of the shell 16 is provided with a through groove, the inner wall of the through groove, and the stop switch button 5 is clamped on the outer wall of the stop switch, the micro suction pump 17 is connected with the stop switch, and the stop switch is connected with the PLC controller through a lead.

The working principle is as follows: this sampling device is through fixing spacing cap 12 and pjncture needle 1 on the sleeve pipe, then extrudeing gas from piston tube 8, insert the tissue through pjncture needle 1 in, carry out partial tissue suction at tissue surface position sample connection 2, the tissue reachs between suck-back ball stopper 10 and the piston 9, extracts pjncture needle 1, takes out the tissue from side play appearance pipe 11, and dial 13 card in the puncture head 1 simultaneously seals sample connection 2 in the annular spacing inslot, reduces the possibility of infecting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sampling device convenient for tumor detection comprises a piston tube (8) and is characterized in that a sealing plug (7) is connected to the inner wall of the top end of the piston tube (8), a through hole is formed in the axle center of the outer wall of the sealing plug (7), a gas pipe (6) is inserted into the inner wall of the through hole, one end, far away from the sealing plug (7), of the gas pipe (6) is connected with a sampling controller (3), a needle sleeve is welded to the outer wall of the bottom end of the piston tube (8), a limiting cap (12) is connected to the outer wall of the needle sleeve in a clamped mode, a puncture needle (1) is connected to the inner wall of the limiting cap (12), a needle dial (13) is welded to the outer wall of the top end of the puncture needle (1), a double-arch-shaped through groove is formed in the inner wall of the limiting cap (12), an annular limiting groove is reserved in the axle center of the inner, and the bottom inner wall of piston (9) is opened flutedly, and the joint of the inner wall of recess inner wall and needle sleeve pipe has anti-resorption ball stopper (10), the bottom outer wall one side of piston pipe (8) has welded and has inclines out appearance pipe (11), and the outer wall of inclining out appearance pipe (11) has cup jointed the rubber cap.

2. The sampling device convenient for tumor detection according to claim 1, wherein the puncture needle (1) comprises a puncture head and a dip tube, and the puncture needle (1) is provided with a sampling port (2) at the connection position of the puncture head and the dip tube, and the sampling port (2) is communicated with the dip tube.

3. The sampling device for tumor detection according to claim 2, wherein the inner walls of the two sides of the dip tube are provided with a flow passage (15), and a seal is arranged at the joint of the flow passage (15) and the dial (13).

4. The sampling device convenient for tumor detection according to claim 1, wherein the needle dial (13) has a specification matched with that of the annular limiting groove, and the top end of the seal is tightly attached to the inner wall of the annular limiting groove.

5. The sampling device convenient for tumor detection according to claim 1, wherein the sampling controller (3) comprises a housing (16) and a display screen (4), and the display screen (4) is clamped on the outer wall of the housing (16).

6. The sampling device convenient for tumor detection according to claim 5, wherein the inner wall of the housing (16) is provided with a slot, the inner wall of the slot is fixed with a micro suction pump (17) through a bolt, and the input end of the micro suction pump (17) is connected with the air pipe (6).

7. The sampling device convenient for tumor detection according to claim 6, wherein the outer wall of one side of the housing (16) is provided with a through groove, the inner wall of the through groove is slidably connected with a stop switch button (5), the inner wall of the sampling controller (3) is fixed with a stop switch through a bolt, the stop switch button (5) is clamped on the outer wall of the stop switch, the micro suction pump (17) is connected with the stop switch, and the stop switch is connected with the PLC through a wire.