WO2021243807A1

WO2021243807A1 - Tumor sampling device for lung cancer

Info

Publication number: WO2021243807A1
Application number: PCT/CN2020/101600
Authority: WO
Inventors: 刘译远; 刘瑞宸; 谢克利拉斯洛
Original assignee: 南京融康博临床医学研究院有限公司
Priority date: 2020-06-02
Filing date: 2020-07-13
Publication date: 2021-12-09

Abstract

Disclosed is a tumor sampling device for lung cancer, the device comprising a sampling syringe (1), wherein a piston (2) is slidably connected inside the sampling syringe (1); the top of the piston (2) is fixedly connected to a piston rod (3), and the bottom of the piston (2) is fixedly connected to a telescopic rod (6); the two sides of the bottom of the telescopic rod (6) are rotatably connected to connecting rods (8) by means of hinge members; the bottom of the piston (2) is provided with a rack (5); the top of the left side inside the sampling syringe (1) is rotatably connected to a shaft rod by means of a bearing pedestal; the right side of the shaft rod is fixedly connected to a gear, with the outer surface of the gear meshing with the outer surface of the rack (5); the right side of the gear is fixedly connected to a bevel gear A (4), with the outer surface of the bevel gear A (4) meshing with a bevel gear B (7); the bottom of the bevel gear B (7) is fixedly connected to a rotary hollow column (17); and a sampling cutter is connected to the rotary hollow column (17) by means of a telescopic component A. In the tumor sampling device for lung cancer, the sampling cutter can extend and retract, and rotate and cut to take samples, thereby improving sampling efficiency. In addition, an incision of a patient can be treated to reduce the pain of the patient.

Description

Lung cancer tumor sampling device

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on June 02, 2020, the application number is 202020975904.7, and the invention title is "a lung cancer tumor sampling device", the entire content of which is incorporated into this application by reference.

Technical field

The utility model relates to the technical field of medical research, in particular to a lung cancer tumor sampling device.

Background technique

Lung cancer is a serious disease. In the process of treating lung cancer in the hospital, it is necessary to sample lung cancer tumors for testing. The sampling knife of the traditional lung cancer tumor sampling device cannot be retracted, resulting in poor sampling effect. Therefore, there is an urgent need for a method. Lung cancer tumor sampling device with telescopic sampling knife.

Utility model content

The purpose of the utility model is to provide a lung cancer tumor sampling device to solve the problem that the sampling knife of the lung cancer tumor sampling device cannot be stretched.

In order to achieve the above objective, the present invention provides the following technical solution: a lung cancer tumor sampling device, comprising a sampling syringe, the interior of the sampling syringe is slidably connected with a piston, the top of the piston is fixedly connected with a piston rod, and The bottom of the piston is fixedly connected with a telescopic rod, the two sides of the bottom of the telescopic rod are rotatably connected with connecting rods through hinges, the bottom of the piston is provided with a rack, and the top of the inner left side of the sampling syringe is rotatably connected with a bearing seat A shaft, the right side of the shaft is fixedly connected with a gear, the outer surface of the gear meshes with the outer surface of the rack, the right side of the gear is fixedly connected with a bevel gear A, and the outer surface of the bevel gear A is meshed and connected There is a bevel gear B, and the top of the bevel gear B is provided with a slot, the connecting rod is arranged inside the slot, the bottom of the bevel gear B is fixedly connected with a rotating hollow column, the sampling needle The bottom of the cylinder is slidably connected with a movable cylinder, the two sides of the bottom of the sampling needle cylinder are fixedly connected with a spray assembly through the telescopic assembly B, and the spray assembly and the movable cylinder are connected by an L-shaped connecting rod. The inner right side of the cylinder is provided with a connecting gear, the inner left side of the movable cylinder is fixedly provided with a guide chute block, the right side of the guide chute block is provided with a guide chute, and the right side of the guide chute is slidably connected with A guide block, the right side of the guide block is fixedly connected with a sampling knife connection cylinder, the right side of the sampling knife connection cylinder is provided with teeth at equal intervals, and the right side of the teeth engages with the left side of the connecting gear, An annular groove is provided at the bottom of the inside of the sampling knife connecting cylinder, and sliding joint blocks are slidably connected to both sides of the inside of the annular groove, and the sampling knife is rotatably connected to the two opposite ends of the two sliding joint blocks through a hinge ring A, and The sampling knife and the rotating hollow column are connected by a telescoping assembly A, the opposite ends of the two sampling knives are provided with sliding grooves, and the two opposite ends of the sliding grooves are slidably connected with sliding blocks, The tops of the two sliders are rotatably connected with the bottoms of the two connecting rods through a hinge ring C, respectively.

Preferably, a collection box is provided on the right side of the sampling syringe.

Preferably, a mounting hole is provided on the sampling needle cylinder, and the collection box is detachably fixed to the sampling needle cylinder through the mounting hole.

Preferably, the collection box includes a connecting end, the outer surface of the connecting end is provided with a thread, and the mounting hole is provided with a threaded groove matching the connecting end.

Preferably, a push block is fixedly connected to the top of the piston rod, and the projection area of the push block on the horizontal plane is larger than the projection area of the piston rod on the horizontal plane.

Preferably, the spray assembly includes a spray barrel, the inside of the spray barrel is slidably connected with a pressure block, and the top of the pressure block is connected with the bottom of the L-shaped connecting rod.

Preferably, the medicine spray assembly further includes a medicine storage chamber, the medicine storage chamber is arranged in a retractable structure, the medicine storage chamber is detachably arranged inside the medicine spray cylinder, and the top of the medicine storage chamber is arranged With the pressing block, the bottom of the medicine storage chamber is provided with a medicine outlet.

Preferably, the bottom of the medicine spray cylinder is provided with at least one medicine discharge hole, and the medicine discharge hole is arranged in a structure that gradually decreases from the inside of the medicine spray cylinder to the outside.

Preferably, the telescopic assembly A includes a sleeve A, the inside of the sleeve A is slidably connected with a vertical rod A, and the bottom of the vertical rod A and the bottom of the inside of the sleeve A are connected by a return spring A, and the telescopic component B includes Sleeve B, the inside of the sleeve B is slidably connected with a vertical rod B, and the bottom of the vertical rod B and the bottom of the inside of the sleeve B are connected by a return spring B.

Preferably, it further includes a telescopic sleeve, the top of the telescopic sleeve is slidably connected with the telescopic rod, and the bottom of the telescopic sleeve is connected with the connecting rod.

Compared with the prior art, the beneficial effects of this utility model are:

1. In the lung cancer tumor sampling device, the movable cylinder is placed in the place where sampling is required. During the process of pushing the movable cylinder down, the sampling knife connecting cylinder and the sampling knife are extended through the teeth and the connecting gear, and the piston rod is pulled through the bevel gear A , Rack, telescopic rod, bevel gear B, connecting rod and rotating hollow column drive the sampling knife to rotate, and the sampling knife can be pulled for cutting and sampling at the same time. The sampling knife can be extended and retracted, and it can be rotated and cut during the sampling process to make sampling more efficient.

2. In the lung cancer tumor sampling device, in the process of collecting lung cancer tumor samples and pulling the piston rod, the movable cylinder is driven by connecting gears and teeth. The incision is processed. In the process of sampling, the patient's incision can be treated with anti-inflammatory treatment, and the patient's pain can be relieved.

Description of the drawings

In order to explain the technical solution of the present application more clearly, the following will briefly introduce the drawings needed in the embodiments. Obviously, for those of ordinary skill in the art, without creative work, Other drawings can be obtained from these drawings.

Figure 1 is a schematic frontal anatomical diagram of the structure of a lung cancer tumor sampling device provided by the utility model;

Figure 2 is an enlarged schematic diagram of the structure A of a lung cancer tumor sampling device provided by the utility model;

Figure 3 is an enlarged schematic diagram of the structure B of a lung cancer tumor sampling device provided by the utility model;

Figure 4 is an enlarged schematic diagram of the structure C of a lung cancer tumor sampling device provided by the utility model;

Figure 5 is a schematic diagram of the top structure of the annular groove in a lung cancer tumor sampling device provided by the utility model;

Figure 6 is a schematic diagram of the three-dimensional structure of a lung cancer tumor sampling device provided by the utility model;

FIG. 7 is a schematic diagram of the front structure of the spray component of a lung cancer tumor sampling device provided by the utility model;

Figure 8 is a schematic structural diagram of a collection box in a lung cancer tumor sampling device provided by the utility model.

In the picture: 1 sampling syringe, 2 pistons, 3 piston rods, 31 push blocks, 4 bevel gears A, 5 racks, 6 telescopic rods, 7 bevel gears B, 8 connecting rods, 9 movable cylinders, 10 connecting gears , 11 teeth, 12 sampling knife connecting cylinder, 13 annular groove, 14 sampling knife, 15 chute, 16 sliding block, 17 rotating hollow column, 18 spraying assembly, 181 spraying cylinder, 182 briquetting, 183 storage room , 184 medicine outlet, 19 collection box, 191 connection end, 20 telescopic sleeve, 21 installation hole.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.

Please refer to Figure 1-6, this utility model provides a technical solution: a lung cancer tumor sampling device, including a sampling syringe 1, the right side of the sampling syringe 1 is provided with a collection box 19, the collection box 19 can be used to collect lung cancer Tumor samples.

The sampling needle cylinder 1 is provided with a mounting hole 21, and the collection box 19 is detachably fixed on the sampling needle cylinder 1 through the mounting hole 21. The mounting hole 21 is used to install and fix the collection box 19, and the collection box 19 is set in a detachable and fixed manner to facilitate the extraction of tumor samples in the collection box 19. At the same time, a new collection box 19 can be replaced each time a sample is taken to ensure its aseptic environment, which can improve the accuracy of detection and avoid repeated use of the same collection box 19 for sterilization.

Referring to FIG. 8, the collection box 19 includes a connecting end 191, the outer surface of the connecting end 191 is provided with threads, and the mounting hole 21 is provided with a threaded groove that matches with the connecting end 191. It is fixed on the sampling syringe 1 through a threaded connection, which is convenient for personnel to install and disassemble. At the same time, the stability of the connection by a threaded fixing method is higher.

A piston 2 is slidably connected to the inside of the sampling syringe 1, a piston rod 3 is fixedly connected to the top of the piston 2, and a push block 31 is fixedly connected to the top of the piston rod 3. The push block 31 is convenient for the user to push and pull the piston rod 3. The cross section of 31 can be set to a rectangular structure or a circular structure according to usage requirements, and the specific shape of the push block 31 is not limited in this application. The projection area of the push block 31 on the horizontal plane is larger than the projection area of the piston rod 3 on the horizontal plane, which facilitates the push and pull of the piston rod 3 through the push block 31.

A telescopic rod 6 is fixedly connected to the bottom of the piston 2 and also includes a telescopic sleeve 20. The top of the telescopic sleeve 20 is slidably connected to the telescopic rod 6, and both sides of the bottom of the telescopic rod 6 are rotatably connected by hinges. Rod 8, the bottom of the piston 2 is provided with a rack 5, the top of the inner left side of the sampling needle cylinder 1 is connected with a shaft through a bearing seat, the right side of the shaft is fixedly connected with a gear, and the outer surface of the gear is connected to the rack 5 The outer surface of the bevel gear meshes, the right side of the gear is fixedly connected with a bevel gear A4, the outer surface of the bevel gear A4 is meshed and connected with a bevel gear B7, and the top of the bevel gear B7 is provided with a slot, the connecting rod 8 is arranged inside the slot. The bottom of the bevel gear B7 is fixedly connected with a rotating hollow column 17, and the bottom of the sampling needle cylinder 1 is slidably connected with a movable cylinder 9. By pulling the piston rod 3, the bevel gear A4 and the teeth can be driven in turn. The strip 5, the telescopic rod 6, the bevel gear B7, the connecting rod 8 and the rotating hollow column 17 move, and finally drive the sampling knife 14 to rotate. In the process of sampling the tumor, the sampling knife 14 can be rotated to cut the tumor, and the tumor sampling can be cut more quickly, which improves the efficiency of sampling.

Referring to FIG. 7, the two sides of the bottom of the sampling syringe 1 are fixedly connected with a spray assembly 18 through a telescopic assembly B. The spray assembly 18 includes a spray cylinder 181, and the inside of the spray cylinder 181 is slidably connected with a pressure block 182. The top of the pressure block 182 is connected with the bottom of the L-shaped connecting rod. The spraying assembly 18 and the movable cylinder 9 are connected through the L-shaped connecting rod. The movable cylinder 9 connects the inside of the spraying assembly through the L-shaped connecting rod. The hemostatic and anti-inflammatory drugs are used to push the backlog, spray out the hemostatic and anti-inflammatory drugs, and treat the patient's incision. By providing the spray assembly 18, the patient's incision can be treated with anti-inflammatory treatment during the tumor sampling process, and the patient's pain can be relieved.

The medicine spray assembly 18 further includes a medicine storage chamber 183. The medicine storage chamber 183 is arranged in a retractable structure. The medicine storage chamber 183 is detachably arranged inside the medicine spray cylinder 181. The medicine storage chamber 183 The pressure block 182 is provided at the top of the, and a medicine outlet is provided at the bottom of the medicine storage chamber 183. The medicine storage room 183 can be configured for one-time use. When the medicine in the medicine storage room 183 is completely used, a new medicine storage room 183 can be replaced without cleaning and disinfecting the inside of the spray cylinder 181, which is more convenient to use.

At the same time, according to actual use needs, according to the patient's different physique, tumor sampling location, etc., replace the hemostatic and anti-inflammatory drugs with different components to perform more effective hemostatic and anti-inflammatory treatment on the incision, and improve the applicability of the spray assembly 18 sex.

At least one medicine outlet hole 184 is provided at the bottom of the medicine spray barrel 181, and the medicine outlet hole 184 is arranged in a structure that gradually decreases from the inner side of the medicine spray barrel 181 to the outer side. Setting the medicine outlet hole 184 as a structure with a gradually reduced opening can effectively prevent the medicine in the medicine storage chamber 183 from leaking, and when the pressing block 182 pushes and squeezes the medicine in the medicine storage chamber 183, the medicine is sprayed. The pressure becomes larger when it comes out, which improves the impact of the syrup and effectively reduces inflammation inside the incision.

4, the inner right side of the movable cylinder 9 is provided with a connecting gear 10, the inner left side of the movable cylinder 9 is fixedly provided with a guide chute block, and the right side of the guide chute block is provided with a guide chute. A guide block is slidably connected to the right side. The right side of the guide block is fixedly connected with a sampling knife connecting barrel 12. The right side of the sampling knife connecting barrel 12 is provided with teeth 11 at equal intervals. The right side of the teeth 11 is connected to the left of the connecting gear 10. The sides are engaged. Place the movable cylinder 9 in the place where sampling is needed. During the process of pushing the movable cylinder 9 down, the sampling knife connecting cylinder 12 and the sampling knife 14 are extended through the teeth 11 and the connecting gear 10, so that the place to be sampled can be pre-positioned .

Please refer to Figure 5, the bottom of the inside of the sampling knife connecting cylinder 12 is provided with an annular groove 13. Both sides of the inside of the annular groove 13 are slidably connected with sliding joints, and the opposite ends of the two sliding joints are both rotatably connected by a hinge ring A. The sampling knife 14, and the sampling knife 14 and the rotating hollow column 17 are connected by a telescopic assembly A, the annular groove 13 and the sliding contact block have the function of fixing the sampling knife 14 to prevent the rotation of the sampling knife 14 Shake left and right in the middle, which affects the effect of cutting and sampling.

The telescopic assembly A includes a sleeve A. The inside of the sleeve A is slidably connected with a vertical rod A, and the bottom of the vertical rod A and the bottom of the inside of the sleeve A are connected by a return spring A. The return spring A can make the vertical rod A In return, the telescopic assembly B includes a sleeve B. The inside of the sleeve B is slidably connected with a vertical rod B, and the bottom of the vertical rod B and the bottom of the inside of the sleeve B are connected by a return spring B. The return spring B can make Pole B returns to position. The telescopic component A and the telescopic component B have the functions of telescoping and returning.

The opposite ends of the two sampling knives 14 are provided with sliding grooves 15, and the opposite ends of the two sliding grooves 15 are slidably connected with a sliding block 16, and the tops of the two sliding blocks 16 are connected to two connecting rods through a hinge ring C. The bottom of 8 is rotated and connected. By setting the sliding groove 15 and the sliding block 16, the sampling knife 14 can be adjusted to be telescopic and fine-tuned under the control of the connecting rod 8.

Working principle: Place the movable cylinder 9 in the place where the patient needs to take a sample. When the movable cylinder 9 is pushed down, the sampling knife connecting cylinder 12 and the sampling knife 14 are extended through the teeth 11 and the connecting gear 10, and the piston rod 3 is pulled through the cone Shaped gear A4, rack 5, telescopic rod 6, bevel gear B7, connecting rod 8 and rotating hollow column 17 drive the sampling knife 14 to rotate at the same time you can pull the sampling knife 14 for cutting and sampling. Pull the piston rod 3 after collecting the lung cancer tumor sample During the process, the movable cylinder 9 is driven by connecting the gear 10 and the teeth 11, and the movable cylinder 9 sprays the hemostatic and anti-inflammatory drug inside the spray assembly 18 through the L-shaped connecting rod to treat the patient's incision.

In the lung cancer tumor sampling device, the movable cylinder 9 is placed in the place where sampling is required. During the process of pushing the movable cylinder 9 down, the sampling knife connecting cylinder 12 and the sampling knife 14 are extended through the teeth 11 and the connecting gear 10, and the piston rod 3 is pulled. Through the bevel gear A4, rack 5, telescopic rod 6, bevel gear B7, connecting rod 8 and rotating hollow column 17, the sampling knife 14 can be driven to rotate and the sampling knife 14 can be pulled for cutting and sampling. The sampling knife 14 can be extended and retracted, and at the same time During the sampling process, it can be rotated and cut to make sampling more efficient. The lung cancer tumor sampling device collects lung cancer tumor samples and pulls the piston rod 3 through the connecting gear 10 and the teeth 11 to drive the movable tube 9 through which the movable tube 9 passes. The L-shaped connecting rod sprays the hemostatic and anti-inflammatory drug inside the spray assembly 18 to treat the patient's incision. In the process of sampling, the patient's incision can be treated with anti-inflammatory treatment, and the patient's pain can be relieved.

The above are only specific implementations of the application, so that those skilled in the art can understand or implement the application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, this application will not be limited to the embodiments shown in this document, but should conform to the widest scope consistent with the principles and novel features disclosed in this document.

Claims

A lung cancer tumor sampling device, comprising a sampling needle cylinder (1), characterized in that: the inside of the sampling needle cylinder (1) is slidingly connected with a piston (2), and the top of the piston (2) is fixedly connected with a piston rod (3), the bottom of the piston (2) is fixedly connected with a telescopic rod (6), both sides of the bottom of the telescopic rod (6) are rotatably connected with a connecting rod (8) through a hinge, and the bottom of the piston (2) A rack (5) is provided, the top of the inner left side of the sampling syringe (1) is rotatably connected with a shaft through a bearing seat, the right side of the shaft is fixedly connected with a gear, and the outer surface of the gear is connected to the rack ( 5) The outer surface of the gear meshes, the right side of the gear is fixedly connected with a bevel gear A (4), the outer surface of the bevel gear A (4) is meshed with a bevel gear B (7), and the bevel gear B (7) The top of the gear B (7) is provided with a slot, the connecting rod (8) penetrates the inside of the slot, the bottom of the bevel gear B (7) is fixedly connected with a rotating hollow column (17), the sampling The bottom of the needle cylinder (1) is slidably connected with a movable cylinder (9), and both sides of the bottom of the sampling needle cylinder (1) are fixedly connected with a spray assembly (18) through a telescopic assembly B. The spray assembly (18) It is connected with the movable tube (9) through an L-shaped connecting rod, the inner right side of the movable tube (9) is provided with a connecting gear (10), and the inner left side of the movable tube (9) is fixedly arranged There is a guide chute block, the right side of the guide chute block is provided with a guide chute, the right side of the guide chute is slidably connected with a guide block, and the right side of the guide block is fixedly connected with a sampling knife connecting cylinder ( 12), the right side of the sampling knife connecting cylinder (12) is provided with teeth (11) at equal intervals, and the right side of the teeth (11) meshes with the left side of the connecting gear (10), so An annular groove (13) is provided at the bottom of the sampling knife connecting cylinder (12). Both sides of the annular groove (13) are slidably connected with sliding joints, and the opposite ends of the two sliding joints pass through a hinge ring. A is rotatably connected with a sampling knife (14), and the sampling knife (14) and the rotating hollow column (17) are connected by a telescopic assembly A, and the opposite ends of the two sampling knives (14) are both opened There is a sliding groove (15), the opposite ends of the two sliding grooves (15) are slidably connected with a sliding block (16), and the tops of the two sliding blocks (16) are connected to the two The bottom of the connecting rod (8) rotates and connects.
The lung cancer tumor sampling device according to claim 1, wherein a collection box (19) is provided on the right side of the sampling syringe (1).
The lung cancer tumor sampling device according to claim 2, wherein the sampling syringe (1) is provided with a mounting hole (21), and the collection box (19) passes through the mounting hole (21) It is detachably fixed on the sampling syringe (1).
The lung cancer tumor sampling device according to claim 3, characterized in that: the collection box (19) comprises a connecting end (191), the outer surface of the connecting end (191) is provided with a thread, and the mounting hole ( 21) A threaded groove matched with the connecting end (191) is provided.
The lung cancer tumor sampling device according to claim 1, characterized in that: a push block (31) is fixedly connected to the top of the piston rod (3), and the projection area of the push block (31) on the horizontal plane is larger than The projected area of the piston rod (3) on the horizontal plane.
The lung cancer tumor sampling device according to claim 1, characterized in that: the spray assembly (18) comprises a spray canister (181), and the inside of the spray canister (181) is slidably connected with a pressure block ( 182), the top of the pressure block (182) is connected with the bottom of the L-shaped connecting rod.
The lung cancer tumor sampling device according to claim 6, characterized in that: the spray assembly (18) further comprises a medicine storage room (183), and the medicine storage room (183) is arranged in a retractable structure, so The medicine storage chamber (183) is detachably arranged inside the spray barrel (181), the top of the medicine storage chamber (183) is provided with the pressure block (182), and the medicine storage chamber (183) There is a medicine outlet at the bottom of the device.
The lung cancer tumor sampling device according to claim 6, characterized in that: the bottom of the spray cylinder (181) is provided with at least one medicine outlet hole (184), and the medicine outlet hole (184) is arranged by The spray barrel (181) has a structure in which the opening gradually decreases from the inside to the outside.
The lung cancer tumor sampling device according to claim 1, wherein the telescopic assembly A comprises a sleeve A, the inside of the sleeve A is slidably connected with a pole A, and the bottom of the pole A is connected to the sleeve A. The bottom of the interior is connected by a return spring A. The telescopic assembly B includes a sleeve B. The interior of the sleeve B is slidably connected to a pole B, and the bottom of the pole B is connected to the bottom of the sleeve B through a return spring B. connect.
The lung cancer tumor sampling device according to claim 1, characterized in that it further comprises a telescopic sleeve (20), the top of the telescopic sleeve (20) is slidably connected to the telescopic rod (6), and The bottom of the telescopic sleeve (20) is connected with the connecting rod (8).