Digestive tract tumor biopsy sampling device

Abstract

The utility model discloses a digestive tract tumor biopsy sampling device which comprises a needle cylinder, a telescopic device is arranged in the needle cylinder, a sampling needle is arranged at the bottom of the telescopic device, the outer wall of the needle cylinder is fixedly connected with a fixing ring, the top of the fixing ring is fixedly connected with a fixing rod, and the fixing rod is fixedly connected with the needle cylinder. And the top of the fixing rod is fixedly connected with a fixing plate. According to the device, a first servo motor is started to rotate, two screw rods of a bidirectional threaded rod are driven to do linear motion in opposite directions, two groups of dilators are driven to get close to each other or get away from each other, the two groups of dilators are controlled to expand to proper designated positions, and when a tumor of a patient is sampled, tissues at the sampling position of the patient can be expanded; the sampling needle is driven by the telescopic device to move downwards, so that the tumor tissue of a patient is penetrated, meanwhile, tumor tissue fluid can be sucked for biopsy sampling, and the use is flexible and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical direction of tumor sampling, and specifically relates to a digestive tract tumor biopsy sampling device. Background Art

[0002] Digestive tract cancer refers to tumors that develop anywhere in the digestive system, including organs such as the mouth, throat, esophagus, stomach, intestines, liver, gallbladder, and pancreas. These tumors can be benign (non-cancerous) or malignant (cancerous). Digestive tract cancers can have serious consequences, so early detection and treatment are crucial.

[0003] The existing technology has the following problems:

[0004] 1. The existing biopsy sampling devices on the market are not convenient for expanding the tissue at the patient's sampling site, resulting in inconvenience in sampling;

[0005] 2. The biopsy sampling devices currently available on the market have a fixed position when sampling the patient's tumor, resulting in incomplete sampling and affecting subsequent biopsies. Utility Model Content

[0006] The purpose of the present invention is to provide a digestive tract tumor biopsy sampling device for existing devices to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a digestive tract tumor biopsy sampling device, comprising a syringe, a telescopic device is provided inside the syringe, a sampling needle is provided at the bottom of the telescopic device, the outer wall of the syringe is fixedly connected to a fixing ring, and the top of the fixing ring is fixedly connected to a fixing rod.

[0008] The top of the fixing rod is fixedly connected with a fixing plate, a mounting groove is provided inside the fixing plate, a bidirectional threaded rod is rotatably connected to the inner surface of the mounting groove, and an expander is slidably connected to the outer wall of the bidirectional threaded rod.

[0009] The utility model further describes that one end surface of the fixed plate is fixedly connected to a slider, the inner side of the slider is slidably connected to a threaded rod, one end of the threaded rod is provided with a mounting bracket, both sides of the outer wall of the mounting bracket are fixedly connected to movable blocks, the inner side of the movable block is slidably connected to a sliding rod, and one side of the bottom of the movable block is fixedly connected to an electric hydraulic push rod.

[0010] The above-mentioned technical solution is adopted, in which the threaded rod is driven to rotate by a second servo motor, which drives the slider to move, thereby driving the fixed plate to move, and the movable block is driven by an electric hydraulic push rod so that the movable block moves up and down on the outer wall of the slide rod, thereby driving the sampling assembly to move, and then sampling operations can be performed on patients at different positions and heights.

[0011] The utility model further describes that the outer wall of the sliding rod is provided with a fixing frame, the bottom of the fixing frame is fixedly connected to a disc, the bottom of the disc is provided with a base, the bottom of the disc is provided with a gear groove, a gear is provided inside the gear groove, and the size of the opening of the gear groove and the gear match each other, the bottom of the gear is fixedly connected to a rotating shaft, and a rotating motor is fixedly installed inside the base, and the output end of the rotating motor is fixedly connected to one end of the rotating shaft.

[0012] The above technical solution is adopted. In this solution, the rotating motor is started to run, which drives the rotating shaft to rotate, and then the rotating shaft drives the gear to rotate. Since the gear is engaged with the gear groove for transmission connection, the disc can be driven to rotate synchronously during the rotation of the gear, thereby realizing all-round and multi-angle sampling operations on the patient's tumor, thereby obtaining samples from different places of the patient's tumor.

[0013] The utility model further describes that a piston rod is provided inside the sampling needle, one side of the piston rod is fixedly connected to a connecting rod, a first servo motor is fixedly installed on the end of the fixed plate away from the slider, and the output end of the first servo motor is fixedly connected to one end of the bidirectional threaded rod.

[0014] The above technical solution is adopted, in which the connecting rod is pulled to drive the piston rod to move, and under the action of the connecting rod and the piston rod, a biopsy is performed on the patient's tumor tissue fluid by sampling.

[0015] The present invention further illustrates that the bottom of the base is fixedly connected to a bottom plate, and universal wheels are fixedly installed at the four corners of the bottom of the bottom plate.

[0016] By adopting the above technical solution, the cooperation between the base and the universal wheels in this solution makes it easy to move the entire device, facilitates the work of the staff, and reduces energy consumption.

[0017] The utility model further describes that a second servo motor is fixedly installed on one side of the mounting frame, one end of the threaded rod passes through the mounting frame, and the threaded rod is rotatably connected to the mounting frame, and the output end of the second servo motor is fixedly connected to one end of the threaded rod.

[0018] By adopting the above technical solution, the second servo motor is started to operate, thereby driving the threaded rod to rotate.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] The utility model provides a kind of digestive tract tumor biopsy sampling device, and be rotated by being set to start first servo motor, drive the linear motion of the two screw rods of bidirectional screw rod to opposite direction, drive two groups of dilators to be close to each other or away from each other, control two groups of dilators to expand to appropriate specified position, when sampling at the tumor of patient, the tissue of patient sampling place can be expanded, it is convenient for puncture needle to aspirate sample, sample needle is moved downward by telescopic device, so as to penetrate the tumor tissue of patient, also can realize suction tumor tissue fluid and biopsy sampling, it is flexible and convenient to use, meet the use demand that user can carry out;

[0021] The utility model provides a kind of digestive tract tumor biopsy sampling device, and be rotated by being set to drive screw rod by second servo motor, drive slider to move left and right, to drive fixed plate to move, movable block is moved on the outer wall of slide bar by electric hydraulic push rod movable block, so as to can drive sampling assembly to move, and then can sample operation to the patient of different position height, by starting rotary motor and operating, drive shaft to rotate, and then drive gear to rotate by shaft, because gear and gear groove meshing transmission connection, therefore during the rotation of gear, disc can be driven to rotate synchronously, so different places of sample of patient tumor place can be obtained, meet the use demand that user can carry out. DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the utility model, and constitute part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0023] Figure 1 It is the overall structure schematic diagram of the utility model;

[0024] Figure 2 It is the overhead structure schematic diagram of the utility model;

[0025] Figure 3 It is the side structure schematic diagram of the utility model;

[0026] Figure 4 It is the side structure schematic diagram of the utility model;

[0027] Figure 5 It is the structure of the utility model Figure 4 A structure enlarged view in the utility model.

[0028] In the figure: 1. syringe; 2. telescopic device; 3. sampling needle; 4. fixing ring; 5. fixing rod; 6. fixing plate; 7. mounting groove; 8. bidirectional threaded rod; 9. expander; 10. slider; 11. threaded rod; 12. mounting frame; 13. movable block; 14. slide rod; 15. electric hydraulic push rod; 16. fixing frame; 17. disc; 18. base; 19. gear; 20. rotating motor; 21. piston rod; 22. connecting rod; 23. first servo motor; 24. bottom plate; 25. universal wheel; 26. second servo motor. DETAILED DESCRIPTION

[0029] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0030] See also Figure 1-5 The utility model provides a technical solution: a digestive tract tumor biopsy sampling device, comprising a syringe 1, a telescopic device 2 is provided inside the syringe 1, a sampling needle 3 is provided at the bottom of the telescopic device 2, the outer wall of the syringe 1 is fixedly connected to a fixing ring 4, and the top of the fixing ring 4 is fixedly connected to a fixing rod 5.

[0031] The top of the fixing rod 5 is fixedly connected to a fixing plate 6, an installation groove 7 is opened inside the fixing plate 6, a bidirectional threaded rod 8 is rotatably connected to the inner surface of the installation groove 7, and an expander 9 is slidably connected to the outer wall of the bidirectional threaded rod 8.

[0032] In this embodiment, the first servo motor 23 is started to rotate, driving the two screws of the bidirectional threaded rod 8 to make linear motion in opposite directions, driving the two groups of expanders 9 to move closer to or away from each other, and controlling the two groups of expanders 9 to expand to appropriate designated positions. When sampling the patient's tumor, the tissue at the patient's sampling site can be expanded to facilitate the puncture needle to draw samples. The sampling needle 3 is driven downward by the telescopic device 2 to penetrate the patient's tumor tissue. At the same time, the tumor tissue fluid can also be aspirated for biopsy sampling, which is flexible and convenient to use.

[0033] like Figure 1-5As shown, on the basis of embodiment 1, the utility model provides a technical solution: preferably, one end surface of the fixed plate 6 is fixedly connected to a slider 10, the inner side of the slider 10 is slidably connected to a threaded rod 11, one end of the threaded rod 11 is provided with a mounting bracket 12, the outer wall of the mounting bracket 12 is fixedly connected to movable blocks 13 on both sides, the inner side of the movable block 13 is slidably connected to a slide rod 14, the bottom side of the movable block 13 is fixedly connected to an electric hydraulic push rod 15, the outer wall of the slide rod 14 is provided with a fixed bracket 16, the bottom of the fixed bracket 16 is fixedly connected to a disc 17, and the bottom of the disc 17 is provided with a base 1 8. A gear groove is provided at the bottom of the disc 17, and a gear 19 is provided inside the gear groove, and the size of the opening of the gear groove matches that of the gear 19. The bottom of the gear 19 is fixedly connected to a rotating shaft, and a rotating motor 20 is fixedly installed inside the base 18. The output end of the rotating motor 20 is fixedly connected to one end of the rotating shaft. A piston rod 21 is provided inside the sampling needle 3, and a connecting rod 22 is fixedly connected to one side of the piston rod 21. A first servo motor 23 is fixedly installed on the end of the fixing plate 6 away from the slider 10, and the output end of the first servo motor 23 is fixedly connected to one end of the bidirectional threaded rod 8.

[0034] In this embodiment, the threaded rod 11 is rotated by the second servo motor 26, which drives the slider 10 to move, thereby driving the fixed plate 6 to move. The movable block 13 is driven by the electric hydraulic push rod 15 so that the movable block 13 moves up and down on the outer wall of the slide rod 14, thereby driving the sampling assembly to move, and thus sampling operations can be performed on patients at different positions and heights. By starting the rotary motor 20 to run, the rotating shaft is driven to rotate, and the rotating shaft drives the gear 19 to rotate. Since the gear 19 is meshed with the gear groove for transmission connection, the gear 19 can synchronously drive the disc 17 to rotate during its rotation, thereby achieving all-round and multi-angle sampling operations on the patient's tumor, thereby obtaining samples from different parts of the patient's tumor. Pulling the connecting rod 22 drives the piston rod 21 to move. Under the action of the connecting rod 22 and the piston rod 21, a biopsy sample of the patient's tumor tissue fluid is taken through the sampling needle 3.

[0035] like Figure 1-5 As shown, based on Example 1, the utility model provides a technical solution: preferably, the bottom of the base 18 is fixedly connected to the bottom of the base 18, and universal wheels 25 are fixedly installed at the four corners of the bottom of the base 24. A second servo motor 26 is fixedly installed on one side of the mounting frame 12, one end of the threaded rod 11 passes through the mounting frame 12, and the threaded rod 11 is rotatably connected to the mounting frame 12, and the output end of the second servo motor 26 is fixedly connected to one end of the threaded rod 11.

[0036] In this embodiment, the cooperation between the base 18 and the universal wheel 25 facilitates the movement of the entire device, facilitates the work of the staff, reduces energy consumption, and starts the second servo motor 26 to operate, thereby driving the threaded rod 11 to rotate.

[0037] like Figure 1-5 As shown, when the user needs to use it, the first servo motor 23 is started to rotate, driving the two screws of the bidirectional threaded rod 8 to make linear motion in opposite directions, driving the two sets of expanders 9 to move closer to or away from each other, and controlling the two sets of expanders 9 to expand to appropriate designated positions. When sampling the patient's tumor, the tissue at the patient's sampling site can be expanded to facilitate the puncture needle to draw samples, and the sampling needle 3 is driven downward by the telescopic device 2 to penetrate the patient's tumor tissue. At the same time, the tumor tissue fluid can also be aspirated for biopsy sampling. It is flexible and convenient to use. The second servo motor 26 drives the threaded rod 11 to rotate, driving the slider 10 It moves left and right, thereby driving the fixed plate 6 to move, and the movable block 13 is driven by the electric hydraulic push rod 15 to move up and down on the outer wall of the slide bar 14, thereby driving the sampling component to move, and then sampling operations can be performed on patients at different heights and positions. By starting the rotary motor 20 to run, the rotating shaft is driven to rotate, and then the rotating shaft drives the gear 19 to rotate. Since the gear 19 is engaged with the gear groove for transmission connection, the disc 17 can be driven to rotate synchronously during the rotation of the gear 19, so that all-round and multi-angle sampling operations can be achieved on the patient's tumor, thereby obtaining samples from different places of the patient's tumor.

[0038] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0039] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A digestive tract tumor biopsy sampling device, comprising a syringe (1), characterized in that: A telescopic device (2) is provided inside the syringe (1), a sampling needle (3) is provided at the bottom of the telescopic device (2), a fixing ring (4) is fixedly connected to the outer wall of the syringe (1), and a fixing rod (5) is fixedly connected to the top of the fixing ring (4); The top of the fixing rod (5) is fixedly connected to a fixing plate (6), an installation groove (7) is provided inside the fixing plate (6), a bidirectional threaded rod (8) is rotatably connected to the inner surface of the installation groove (7), and an expander (9) is slidably connected to the outer wall of the bidirectional threaded rod (8).

2. The digestive tract tumor biopsy sampling device according to claim 1, characterized in that: A slider (10) is fixedly connected to one end surface of the fixed plate (6), a threaded rod (11) is slidably connected to the inner side of the slider (10), a mounting bracket (12) is provided at one end of the threaded rod (11), movable blocks (13) are fixedly connected to both sides of the outer wall of the mounting bracket (12), a sliding rod (14) is slidably connected to the inner side of the movable block (13), and an electric hydraulic push rod (15) is fixedly connected to one side of the bottom of the movable block (13).

3. The digestive tract tumor biopsy sampling device according to claim 2, characterized in that: The outer wall of the slide rod (14) is provided with a fixing frame (16), the bottom of the fixing frame (16) is fixedly connected to a disc (17), the bottom of the disc (17) is provided with a base (18), the bottom of the disc (17) is provided with a gear groove, the inside of the gear groove is provided with a gear (19), and the size of the opening of the gear groove and the gear (19) match each other, the bottom of the gear (19) is fixedly connected to a rotating shaft, the inside of the base (18) is fixedly installed with a rotating motor (20), and the output end of the rotating motor (20) is fixedly connected to one end of the rotating shaft.

4. The digestive tract tumor biopsy sampling device according to claim 1, characterized in that: A piston rod (21) is provided inside the sampling needle (3), and a connecting rod (22) is fixedly connected to one side of the piston rod (21). A first servo motor (23) is fixedly installed on the end of the fixing plate (6) away from the slider (10), and the output end of the first servo motor (23) is fixedly connected to one end of the bidirectional threaded rod (8).

5. The digestive tract tumor biopsy sampling device according to claim 3, characterized in that: The bottom of the base (18) is fixedly connected to a bottom plate (24), and universal wheels (25) are fixedly installed at the four corners of the bottom of the bottom plate (24).

6. The digestive tract tumor biopsy sampling device according to claim 2, characterized in that: A second servo motor (26) is fixedly mounted on one side of the mounting frame (12), one end of the threaded rod (11) passes through the mounting frame (12), and the threaded rod (11) is rotatably connected to the mounting frame (12), and the output end of the second servo motor (26) is fixedly connected to one end of the threaded rod (11).

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