CN210843343U

CN210843343U - Tumor sampling device convenient for tumor separation

Info

Publication number: CN210843343U
Application number: CN201921007637.8U
Authority: CN
Inventors: 杜成; 郑振东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-06-26
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to a tumor sampling device which is convenient for separating tumors, comprising a needle cylinder, wherein one end of the needle cylinder is provided with a needle seat, the needle seat is in threaded connection with the needle cylinder, the bottom end in the needle cylinder is provided with a piston which is arranged along the inner wall in a sliding way, a push rod is arranged in the needle cylinder and is fixedly connected with the piston, a first push handle is arranged above the push rod, first handle and push rod fixed connection push away, cylinder outer wall fixedly connected with second pushes away the handle, the utility model discloses a merge the setting with cylinder and connecting cylinder and ensure not only can cut the tumour but also can extract tumour hydrops at the sampling in-process, solved current single adoption syringe and taken a sample and caused the problem that the sample was few, the inside cavity that forms between interior cylinder and the outer syringe needle of cylinder puncture the inside rear portion tumour of tumour outside syringe needle and interior syringe needle and can enter into the cavity and be convenient for gather.

Description

Tumor sampling device convenient for tumor separation

Technical Field

The utility model relates to a tumor sampling device convenient for tumor separation, which belongs to the technical field of medical equipment.

Background

The tumor is medically the abnormal pathological changes of cells, but not necessarily the tumor on the body, the cancer is the most common malignant tumor, the malignant tumor is divided into epithelial origin 'cancer' and interstitial origin 'sarcoma', in the malignant tumor, the proliferated cells can be integrated into the tumor, and can be diffused to other parts to proliferate and cause harm to the human body, after the doctor finds the tumor, the doctor needs to sample and check the tumor to be malignant or benign, which is convenient for the doctor to treat the disease, the tumor sampling can be realized by a scalpel, but the method has large wound and great harm to the patient, therefore, the method mostly adopts the syringe to sample the tumor, the tumor tissue is sucked by the negative pressure generated when the syringe is used for sampling, the method has small wound and relieves the pain of the patient, while the traditional needle tube sampling is not easy to succeed at one time by the negative pressure sampling alone, tumor samples are not easily cut apart and too few samples are taken.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, provide a tumor sampling device convenient for separating tumor, ensure that the tumor can be cut and the tumor effusion can be extracted in the sampling process by combining the needle cylinder and the connecting cylinder, solve the problem that the sampling is less because of the existing single injector, the inside of the needle cylinder can enter the cavity for convenient collection after the outer needle head and the inner needle head penetrate the tumor through the cavity formed between the inner needle cylinder and the outer needle head, the partial tumor can enter the cavity for convenient collection, the inner needle head is provided with a circular cutting knife, the circular cutting knife can cut the tumor and finally store the tumor in the needle cylinder when pulling the push rod outwards, in addition, the liquid drainage tube can extract the effusion in the tumor after the tumor is cut, the structure can not only cut the tumor for sampling, but also extract the effusion in the tumor, the problem of current sampling device sample too few is solved, the problem in the background art can effectively be solved.

In order to solve the technical problem, the utility model provides a following technical scheme:

a tumor sampling device convenient for tumor separation comprises a needle cylinder, wherein one end of the needle cylinder is provided with a needle seat, the needle seat is in threaded connection with the needle cylinder, the bottom end inside the needle cylinder is provided with a piston, the piston is arranged along the inner wall in a sliding manner, a push rod is arranged inside the needle cylinder and is fixedly connected with the piston, a first push handle is arranged above the push rod and is fixedly connected with the push rod, the outer wall of the needle cylinder is fixedly connected with a second push handle, the lower end of the needle seat is fixedly connected with an outer needle head, the needle seat and the outer needle head are integrally formed, the bottom end of the outer needle head is provided with an inner needle head, the inner needle head is connected with the push rod, a circular cutting knife is arranged on the inner needle head from top to bottom, one side of the needle cylinder is fixedly connected with a connecting cylinder, a liquid pumping pipe is arranged inside the connecting cylinder, the liquid pumping, one end of the air bag is connected with a drainage device through a transfusion tube.

Further, a cavity is formed between the inner needle head and the outer needle head, and the inner needle head and the outer needle head are coaxially arranged.

Further, the bottom end of the connecting pipe is provided with a sealing gasket, and the sealing gasket is made of rubber.

Furthermore, a notch is formed in the center of the sealing gasket, and the tail end of the liquid pumping pipe is in a pointed shape.

Further, a syringe infusion tube is arranged on the liquid pumping tube and is positioned at the upper end of the air bag.

Further, a control valve is arranged on the syringe infusion tube.

The utility model discloses beneficial effect: a tumor sampling device convenient for separating tumors ensures that tumors can be cut and tumor effusion can be extracted in the sampling process by combining a needle cylinder and a connecting cylinder, solves the problem of less sample sampling caused by the adoption of a single injector in the prior art, partial tumors can enter the cavities after the outer needle head and the inner needle head penetrate into the tumors through the cavities formed between the inner needle cylinder and the outer needle head so as to be convenient for collection, and the circular cutting knife is arranged on the inner needle head, while the push rod is pulled outwards, the circular cutting knife can cut the tumor and finally store the tumor in the syringe, and besides, after the tumour cutting, the liquid suction pipe can extract the inside hydrops of tumour, and this kind of structure both can cut the sample and can extract the inside hydrops of tumour again to the tumour, has solved the too few problem of current sampling device sample.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic structural view of the tumor sampling device of the present invention for conveniently separating tumors.

Fig. 2 is a schematic view of the structure of the connecting pipe of the tumor sampling device of the present invention for separating tumors conveniently.

Fig. 3 is a schematic diagram of the sealing gasket structure of the tumor sampling device of the present invention for separating tumors.

Fig. 4 is a schematic view of the utility model of a tumor sampling device with a circular cutting knife and an inner needle head for conveniently separating tumors.

Reference numbers in the figures: 1. a needle cylinder; 2. a needle seat; 3. a piston; 4. a push rod; 5. a first push handle; 6. a second push handle; 7. an outer needle; 8. an inner needle head; 9. a circular cutter; 10. a connecting cylinder; 11. a liquid pumping pipe; 12. an air bag; 13. a drainage device; 14. a cavity; 15. a gasket; 16. cutting; 17. a syringe infusion tube; 18. and controlling the valve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The first embodiment is as follows:

as shown in fig. 1-4, a tumor sampling device convenient for tumor separation comprises a needle cylinder 1, wherein a needle seat 2 is arranged at one end of the needle cylinder 1, the needle seat 2 is in threaded connection with the needle cylinder 1, the needle seat 2 and the needle cylinder 1 can be disassembled through threads, so that sample transfer detection after sampling is facilitated, a piston 3 is arranged at the bottom end inside the needle cylinder 1, the piston 3 is arranged along the inner wall in a sliding manner, a push rod 4 is arranged inside the needle cylinder 1, the push rod 4 is fixedly connected with the piston 3, a first push handle 5 is arranged above the push rod 4, the first push handle 5 is fixedly connected with the push rod 4, a second push handle 6 is fixedly connected with the outer wall of the needle cylinder 1, an outer needle 7 is fixedly connected with the lower end of the needle seat 2, the needle seat 2 and the outer needle 7 are integrally formed, an inner needle 8 is arranged at the bottom end of the outer needle 7, the inner needle 8 is connected with the, circular cutting knife 9 can cut the tumour and take a sample when 4 outside pulling of push rod, 1 one side fixedly connected with connecting cylinder 10 of cylinder, the inside liquid suction pipe 11 that is equipped with of connecting cylinder 10, liquid suction pipe 11 runs through the upper end of connecting cylinder 10 and extends to the external world, the tail end of liquid suction pipe 11 is equipped with gasbag 12, gasbag 12 one end is connected with drainage ware 13 through the transfer line, and liquid suction pipe 11 extracts the tumour hydrops under the effect of drainage ware 13 and gasbag 12.

More specifically, a cavity 14 is formed between the inner needle 8 and the outer needle 7, the inner needle 8 and the outer needle 7 are coaxially arranged, the inside of the syringe 1 penetrates through the cavity 14 formed between the inner syringe 1 and the outer needle 7, part of the tumor can enter the cavity 14 after the outer needle 7 and the inner needle 8 penetrate through the tumor to be collected, a sealing gasket 15 is arranged at the bottom end of the connecting cylinder 10, the sealing gasket 15 is made of rubber, the arrangement of the sealing gasket 15 prevents the liquid pumping pipe 11 from leaking out of the connecting cylinder 10 under the condition of non-use to cause infection, a notch 16 is arranged at the center of the sealing gasket 15, the tail end of the liquid pumping pipe 11 is pointed, when the tumor liquid is pumped, the position of the liquid pumping pipe 11 is manually adjusted to align the tail end of the liquid pumping pipe 11 with the notch 16 of the sealing gasket 15 and downward pressure is applied to the liquid pumping pipe 11 to enable the liquid pumping pipe 11 to pass through the notch, the utility model discloses a medical device, including suction tube 11, control valve 18, the setting of syringe connecting cylinder 10 is convenient for medical staff's injection medicine, seted up syringe transfer line 17 on the liquid suction tube 11 and syringe transfer line 17 is located gasbag 12 upper end, set up control valve 18 and avoid hydrops to overflow inside syringe transfer line 17 when the hydrops is extracted.

Example two:

as shown in fig. 3, the sealing gasket 15 at the bottom end of the connecting cylinder 10 is made of rubber and has a certain tensile elasticity, when the liquid suction tube 11 passes through the incision 16, the incision 16 is stretched due to the elasticity to ensure that the liquid suction tube 11 passes through smoothly, and the tail end of the liquid suction tube 11 is arranged to be pointed, so that the liquid suction tube 11 can be inserted into the tumor to draw the accumulated liquid.

The utility model discloses improve in: the utility model discloses when using, at first utilize second push handle 6 to pierce outer syringe needle 7 inside the tumour, promote first push handle 5 and also pierce tumour with interior syringe needle 8 inside, 14 inside some tumour samples that can get into of cavity this moment, upwards stimulate push rod 4, circular cutting knife 9 on interior syringe needle 8 can cut the tumour under the drive of push rod 4, the in-process that upwards stimulates takes out tumour cutting piece, take the sample to syringe 1 inside at the in-process of push rod 4 pulling, rotatory needle file 2 separates needle file 2 and syringe 1, it can with tweezers take out the sample, medical staff aims at liquid suction pipe 11 and aims at incision 16 and applys decurrent power, it pierces tumour inside to pass incision 16 with liquid suction pipe 11, utilize drainage ware 13 and gasbag 12 to take the hydrops out.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A tumor sampling device facilitating tumor separation, comprising a syringe (1), characterized in that: the needle seat is arranged at one end of the needle cylinder (1), the needle seat (2) is in threaded connection with the needle cylinder (1), a piston (3) is arranged at the bottom end inside the needle cylinder (1), the piston (3) is arranged along the inner wall in a sliding manner, a push rod (4) is arranged inside the needle cylinder (1), the push rod (4) is fixedly connected with the piston (3), a first push handle (5) is arranged above the push rod (4), the first push handle (5) is fixedly connected with the push rod (4), a second push handle (6) is fixedly connected with the outer wall of the needle cylinder (1), an outer needle head (7) is fixedly connected with the lower end of the needle seat (2), the needle seat (2) and the outer needle head (7) are integrally formed, an inner needle head (8) is arranged at the bottom end of the outer needle head (7), the inner needle head (8) is connected with the push rod (4), a circular cutting knife (9) is arranged on the inner, the disposable syringe is characterized in that a connecting cylinder (10) is fixedly connected to one side of the syringe (1), a liquid pumping pipe (11) is arranged inside the connecting cylinder (10), the upper end, penetrating through the connecting cylinder (10), of the liquid pumping pipe (11) extends to the outside, an air bag (12) is arranged at the tail end of the liquid pumping pipe (11), and one end of the air bag (12) is connected with a drainage device (13) through a liquid conveying pipe.

2. A tumor sampling device for facilitating tumor isolation according to claim 1, wherein: a cavity (14) is formed between the inner needle (8) and the outer needle (7), and the inner needle (8) and the outer needle (7) are coaxially arranged.

3. A tumor sampling device for facilitating tumor isolation according to claim 1, wherein: the connecting cylinder (10) bottom is equipped with sealed pad (15), sealed pad (15) are the rubber material.

4. A tumor sampling device for facilitating tumor isolation according to claim 3, wherein: a cut (16) is formed in the center of the sealing gasket (15), and the tail end of the liquid pumping pipe (11) is in a pointed shape.

5. A tumor sampling device for facilitating tumor isolation according to claim 1, wherein: a syringe infusion tube (17) is arranged on the liquid extracting tube (11) and the syringe infusion tube (17) is positioned at the upper end of the air bag (12).

6. A tumor sampling device for facilitating tumor isolation according to claim 5, wherein: the syringe infusion tube (17) is provided with a control valve (18).