CN220089525U

CN220089525U - Tumor puncture needle with controllable insertion speed

Info

Publication number: CN220089525U
Application number: CN202223481648.4U
Authority: CN
Inventors: 陈柳林
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-11-28
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a tumor puncture needle with controllable insertion speed, and relates to the technical field of puncture needles. The utility model comprises a driving rail, a first connecting mechanism, a driving mechanism and an air suction pump, wherein a needle body is arranged in the driving rail, one end of the needle body penetrates through the inner wall of the driving rail in a sliding manner, a collecting box is arranged at the other end of the needle body, and the first connecting mechanism is used for connecting the collecting box and the needle body. When the needle body collection device is used, after a sharp body is aligned to a part needing to be pierced, a collection box is driven by a driving mechanism to move along the length direction of a driving rail, so that a needle body is driven to slide out from one end of the driving rail, after the needle body is pierced into a human body, the user inhales through a suction pump to sample the part needing to be sampled more accurately, a sample enters the collection box along the needle body, and meanwhile, the user can detach the needle body through a first connecting mechanism, so that the needle body is convenient to clean.

Description

Tumor puncture needle with controllable insertion speed

Technical Field

The utility model relates to the technical field of puncture needles, in particular to a tumor puncture needle with controllable insertion speed.

Background

Tumor (tumor) refers to a new growth (newgrowth) formed by local tissue cell proliferation of an organism under the action of various tumorigenic factors, because the new organism is often in the form of a occupying massive protrusion, which is also called neoplasm (neoplasm). Liver cancer and pancreatic cancer are both called "cancer king", and are tumors with extremely high malignancy.

When treating tumors, the tissue sampling and injection treatment of organs are needed to be performed, the Chinese utility model with the patent number of CN 211355615U provides a tumor puncture biopsy needle which comprises a needle tube main body, a circular baffle is fixedly arranged at the right end of the needle tube main body, a circular block is arranged at the periphery of the circular baffle, a connecting rod is arranged between the circular block and the circular baffle, and a handle is fixedly arranged at the right end of the circular baffle.

Disclosure of Invention

The utility model aims at: the utility model provides a tumor puncture needle with controllable insertion speed, which aims to solve the problems that the puncture needle samples through a needle body and has weak sampling capability and cannot accurately and effectively sample.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a controllable tumour pjncture needle of insertion speed, includes drive rail, first coupling mechanism, actuating mechanism, suction pump, the inside of drive rail is provided with the needle body, the one end of needle body slip run through in the inner wall of drive rail, the other end of needle body is provided with collects the box, first coupling mechanism is used for connecting collect the box with the needle body, actuating mechanism is used for the drive collect the box along drive rail length is to removing, collect the one end fixed grafting of box has the check valve, the one end fixed mounting of collecting the box has the connecting pipe, the inner wall screw thread grafting of connecting pipe has the bellows, the bellows set up in inner wall and one end fixed mounting of drive rail in the suction end of suction pump, the suction end of suction pump fixedly run through in one end and one end fixed mounting of drive rail have the U-shaped board, the equal fixed mounting in the one end of drive rail in the one end of needle body, one end fixed mounting of needle body has sharp-pointed object.

Further, the first connecting mechanism comprises an internal thread pipe fixedly installed at one end of the collecting box, an external thread pipe is fixedly installed at one end of the needle body, and the external thread pipe is in threaded connection with the inner wall of the internal thread pipe.

Further, actuating mechanism including set up in actuating groove, threaded rod, fixed mounting in actuating rail surface's motor, two the inner wall of actuating groove is all pegged graft in the slip has the limiting plate, one of them limiting plate's one end fixed mounting has the actuating plate, the one end screw thread of threaded rod run through in the surface of actuating plate, actuating rail's fixed surface installs the connecting plate, the fixed grafting of surface of connecting plate has the bearing, the bearing has inner ring and outer loop, the fixed grafting of surface of bearing outer loop in the surface of connecting plate, the one end of threaded rod fixed grafting in the inner wall of bearing inner ring, the other end fixed mounting of threaded rod in the output of motor still includes second coupling mechanism, second coupling mechanism is used for connecting the limiting plate with collect the box.

Further, the second connecting mechanism comprises straight plates fixedly mounted on two sides of the collecting box, limiting grooves are formed in the surfaces of the two limiting plates, and the two straight plates are inserted into the inner walls of the two limiting grooves respectively.

Further, the inner wall of the needle body is provided with a rotating groove, the needle further comprises a rotating rod, two ends of the rotating rod are respectively and fixedly arranged at two ends of the inner wall of the rotating groove, the surface of the rotating rod is rotationally sleeved with a rotating plate, two ends of the rotating plate are fixedly provided with torsion springs, the other ends of the torsion springs are respectively and fixedly arranged at two ends of the inner wall of the rotating groove, the surface of the rotating plate is fixedly provided with a sealing plate, the surface of the sealing plate is fixedly provided with a blocking plate, the inner wall of the needle body is provided with a notch, and the surface of the blocking plate is slidably inserted into the inner wall of the notch.

Further, the device also comprises two damping rotating shafts and two handles, wherein two sides of the driving rail are respectively rotatably arranged on the surfaces of the two handles through the two damping rotating shafts.

The beneficial effects of the utility model are as follows:

1. when the utility model is used, after the sharp body is aligned with the part needing to be punctured, the collecting box is driven by the driving mechanism to move along the length direction of the driving rail, so that the needle body is driven to slide out from one end of the driving rail, after the needle body is punctured into a human body, the user inhales through the aspirator pump to sample the part needing to be sampled more accurately, the sample enters the collecting box along the needle body, and meanwhile, the user can detach the needle body through the first connecting mechanism, so that the needle body is convenient to clean, the setting is such that the sampling is more accurate and effective, the sampling capacity is larger, the harm to a patient caused by repeated punctures is avoided, and the practical problem is solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a half cross-sectional view of the present utility model;

FIG. 3 is a semi-sectional view of another angle of the present utility model;

fig. 4 is a half cross-sectional view of a portion of the structure of the present utility model.

Reference numerals: 1. a drive rail; 2. a first connection mechanism; 201. an internally threaded tube; 202. an external threaded tube; 3. a driving mechanism; 301. a driving groove; 302. a threaded rod; 303. a motor; 304. a limiting plate; 305. a driving plate; 306. a connecting plate; 307. a bearing; 4. a getter pump; 5. a needle body; 6. a collection box; 7. a one-way valve; 8. a connecting pipe; 9. a bellows; 10. a U-shaped plate; 11. a sharp body; 12. a second connection mechanism; 1201. a straight plate; 1202. a limit groove; 13. a rotating lever; 14. a rotating plate; 15. a torsion spring; 16. a sealing plate; 17. a blocking plate; 18. damping the rotating shaft; 19. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 and 2, a tumor puncture needle with controllable insertion speed comprises a driving rail 1, a first connecting mechanism 2, a driving mechanism 3 and an air suction pump 4, wherein a needle body 5 is arranged in the driving rail 1, one end of the needle body 5 penetrates through the inner wall of the driving rail 1 in a sliding manner, a collecting box 6 is arranged at the other end of the needle body 5, the first connecting mechanism 2 is used for connecting the collecting box 6 and the needle body 5, the driving mechanism 3 is used for driving the collecting box 6 to move along the length direction of the driving rail 1, one end of the collecting box 6 is fixedly inserted with a one-way valve 7, one end of the collecting box 6 is fixedly provided with a connecting pipe 8, the inner wall of the connecting pipe 8 is inserted with a corrugated pipe 9 in a threaded manner, the corrugated pipe 9 is arranged at the inner wall of the driving rail 1 and one end of the air suction pump 4 is fixedly arranged at the air suction end of the air suction pump 4, the air suction end of the air suction pump 4 fixedly penetrates through one end of the driving rail 1 and one end of the U-shaped plate 10 is fixedly arranged at one end of the driving rail 1, two ends of the U-shaped plate 10 are fixedly arranged at one end of the driving rail 1, one end of the needle 5 is fixedly arranged with a sharp body 11 fixedly at one end 11. In some embodiments, when using, after the user aligns sharp object 11 with the position that needs the puncture, collect box 6 through actuating mechanism 3 drive and remove along actuating rail 1 length to drive needle body 5 and follow the one end roll-off of actuating rail 1, after pricking into the human body, the user inhales through aspirator pump 4 and carries out comparatively accurate sampling to the position that needs to take samples, the sample is got into along needle body 5 and is collected box 6, simultaneously, the user can also dismantle needle body 5 through first coupling mechanism 2, conveniently wash, so set up for the sample is comparatively accurate effective, and the capacity of sampling is great, avoided many times puncture to cause the injury to the patient, has solved actual problem.

As shown in fig. 1, specifically, the first connection mechanism 2 includes an internally threaded tube 201 fixedly mounted at one end of the collection box 6, an externally threaded tube 202 is fixedly mounted at one end of the needle body 5, and the externally threaded tube 202 is screwed into an inner wall of the internally threaded tube 201, which should be noted that: the user can drive the internal thread pipe 201 to be inserted into the internal thread pipe 201 by rotating the needle body 5, so as to realize the connection or the disassembly of the needle body 5.

As shown in fig. 1, specifically, the driving mechanism 3 includes a driving groove 301, a threaded rod 302, and a motor 303 that are disposed on two sides of an inner wall of the driving rail 1, and are fixedly mounted on a surface of the driving rail 1, wherein the inner walls of the two driving grooves 301 are slidably inserted with a limiting plate 304, one end of one limiting plate 304 is fixedly mounted with a driving plate 305, one end of the threaded rod 302 is threaded through a surface of the driving plate 305, a surface of the driving rail 1 is fixedly mounted with a connecting plate 306, a surface of the connecting plate 306 is fixedly inserted with a bearing 307, the bearing 307 has an inner ring and an outer ring, a surface of the outer ring of the bearing 307 is fixedly inserted on a surface of the connecting plate 306, one end of the threaded rod 302 is fixedly inserted on an inner wall of the inner ring of the bearing 307, and the other end of the threaded rod 302 is fixedly mounted on an output end of the motor 303, and further includes a second connecting mechanism 12, and the second connecting mechanism 12 is used for connecting the limiting plate 304 and the collecting box 6, which needs to be explained: the user can drive the threaded rod 302 to rotate through the output end rotation of the driving motor 303, and because of the limiting function of the limiting plate 304, the collecting box 6 can move along the length direction of the driving rail 1, namely, the extension and retraction of the needle body 5 at one end of the driving rail 1 are realized.

As shown in fig. 3, specifically, the second connection mechanism 12 includes a straight plate 1201 fixedly mounted on two sides of the collection box 6, and the surfaces of the two limiting plates 304 are provided with limiting grooves 1202, and the two straight plates 1201 are respectively inserted into the inner walls of the two limiting grooves 1202, which should be explained as follows: the user can rotate the collection box 6 in the same direction to rotate the two straight plates 1201 and separate from the limiting groove 1202, at this time, the user can take out the collection box 6 and take out the sample therein.

As shown in fig. 4, in some embodiments, the inner wall of the needle body 5 is provided with a rotating groove, and further includes a rotating rod 13, two ends of the rotating rod 13 are respectively and fixedly installed at two ends of the inner wall of the rotating groove, a rotating plate 14 is rotatably sleeved on the surface of the rotating rod 13, torsion springs 15 are fixedly installed at two ends of the rotating plate 14, the other ends of the two torsion springs 15 are respectively and fixedly installed at two ends of the inner wall of the rotating groove, a sealing plate 16 is fixedly installed on the surface of the rotating plate 14, a blocking plate 17 is fixedly installed on the surface of the sealing plate 16, a notch is formed in the inner wall of the needle body 5, and the surface of the blocking plate 17 is slidably inserted into the inner wall of the notch, which needs to be explained: in the process of inserting the needle body 5 into a human body, because of the action of the torsion spring 15, external human tissues cannot leak into the human needle body 5, when the suction pump 4 sucks air, the sealing plate 16 can rotate under the action of air pressure and simultaneously drives the blocking plate 17 to rotate in the notch, and the arrangement can effectively avoid impure samples.

As shown in fig. 3, in some embodiments, the driving rail 1 further includes two damping rotating shafts 18 and two handles 19, and two sides of the driving rail 1 are rotatably mounted on the surfaces of the two handles 19 through the two damping rotating shafts 18, which should be explained as follows: the user can rotate the handle 19 to adjust to a proper angle and then grasp the handle 19 with both hands to operate.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a controllable tumour pjncture needle of insertion rate, includes drive rail (1), first coupling mechanism (2), actuating mechanism (3), aspirator pump (4), its characterized in that, the inside of drive rail (1) is provided with needle (5), the one end of needle (5) slip run through in the inner wall of drive rail (1), the other end of needle (5) is provided with collection box (6), first coupling mechanism (2) are used for connecting collection box (6) with needle (5), actuating mechanism (3) are used for the drive collection box (6) are followed drive rail (1) length is to removing, the one end fixed grafting of collection box (6) has check valve (7), the one end fixed mounting of collection box (6) has connecting pipe (8), the inner wall screw thread grafting of connecting pipe (8) have bellows (9), bellows (9) set up in the inner wall of drive rail (1) and one end fixed mounting in aspirator pump (4) inhale end, actuating mechanism (4) are used for the drive end (10) are installed in U-shaped plate (1) are fixed to one end all fixed mounting in the fixed U-shaped plate (1), one end of the needle body (5) is fixedly provided with a sharp body (11).

2. The tumor puncture needle with controllable insertion speed according to claim 1, wherein the first connecting mechanism (2) comprises an internally threaded tube (201) fixedly mounted at one end of the collection box (6), an externally threaded tube (202) is fixedly mounted at one end of the needle body (5), and the externally threaded tube (202) is in threaded connection with the inner wall of the internally threaded tube (201).

3. The tumor puncture needle with controllable insertion speed according to claim 1, wherein the driving mechanism (3) comprises a driving groove (301) formed in two sides of the inner wall of the driving rail (1), a threaded rod (302), a motor (303) fixedly mounted on the surface of the driving rail (1), limiting plates (304) are slidably mounted on the inner walls of the driving grooves (301), one end of one limiting plate (304) is fixedly mounted with a driving plate (305), one end of the threaded rod (302) penetrates through the surface of the driving plate (305) in a threaded manner, a connecting plate (306) is fixedly mounted on the surface of the driving rail (1), a bearing (307) is fixedly mounted on the surface of the connecting plate (306), an inner ring and an outer ring are fixedly mounted on the surface of the outer ring of the bearing (307), one end of the threaded rod (302) is fixedly mounted on the inner wall of the inner ring of the bearing (307), the other end of the threaded rod (302) is fixedly mounted on the output end of the motor (303), and the second collecting mechanism (12) comprises a second connecting mechanism (12) and a limiting plate (6).

4. A tumor puncture needle with controllable insertion speed according to claim 3, wherein the second connecting mechanism (12) comprises a straight plate (1201) fixedly installed on two sides of the collecting box (6), the surfaces of the two limiting plates (304) are provided with limiting grooves (1202), and the two straight plates (1201) are respectively inserted into the inner walls of the two limiting grooves (1202).

5. The tumor puncture needle with controllable insertion speed according to claim 1, wherein the inner wall of the needle body (5) is provided with a rotating groove, the tumor puncture needle further comprises a rotating rod (13), two ends of the rotating rod (13) are fixedly installed at two ends of the inner wall of the rotating groove respectively, a rotating plate (14) is rotatably sleeved on the surface of the rotating rod (13), torsion springs (15) are fixedly installed at two ends of the rotating plate (14), the other ends of the two torsion springs (15) are fixedly installed at two ends of the inner wall of the rotating groove respectively, a sealing plate (16) is fixedly installed on the surface of the rotating plate (14), a blocking plate (17) is fixedly installed on the surface of the sealing plate (16), a notch is formed in the inner wall of the needle body (5), and the surface of the blocking plate (17) is slidably inserted into the inner wall of the notch.

6. The tumor puncture needle with controllable insertion speed according to claim 1, further comprising two damping rotating shafts (18) and two handles (19), wherein two sides of the driving rail (1) are rotatably mounted on the surfaces of the two handles (19) through the two damping rotating shafts (18), respectively.