CN219516195U - Capsule endoscope with magnetic control and double needle biopsy functions - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a capsule endoscope with magnetic control and double-needle biopsy functions, which comprises a capsule shell and a transmission mechanism, wherein the capsule shell comprises an upper shell and a lower shell, the upper shell and the lower shell are clamped and matched to form a cavity for installing a biopsy needle, a needle hole which is convenient for the biopsy needle to pass through is formed in the end part of the lower shell, the transmission mechanism comprises a base, the middle part of the base is rotationally connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a connecting frame, one end of the connecting frame, far away from the rotating shaft, is rotationally connected with a gear, the edge of the side wall of the gear is connected with a transfer frame, the transfer frame is connected with a sliding block, the sliding block is sleeved on a sliding rail, and the biopsy needle is connected to two sides of the sliding block through the needle hole.

Description

Capsule endoscope with magnetic control and double needle biopsy functions

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a capsule endoscope with magnetic control and double-needle biopsy functions.

Background

The gastrointestinal tract diseases are clinically common diseases, have long incubation period and unobvious early symptoms, seriously affect the physical health and mental health of people, and the main equipment for clinically diagnosing the gastrointestinal tract diseases is a traditional intubate endoscope at present. As a way of invasive diagnostic examination, conventional endoscopes can cause pain to the patient during the diagnostic procedure. The biopsy needle is a medical instrument, is suitable for various organs such as kidneys, livers, lungs, breasts, thyroid glands, prostate glands, pancreas, testes, uterus, ovaries, body surfaces and the like, can be used for biopsy sampling and cell sucking of solid tumors, unidentified tumors and the like, and can enable a patient to enter a human body to carry out biopsy through swallowing the capsule robot through successful development of the active motion type capsule robot, so that the accurate clamping of required tissues becomes possible, and related pathological tissues are acquired for doctors, accurate diagnosis is carried out on focus types, diseases are confirmed, early discovery and early treatment of digestive tract diseases are realized, symptomatic treatment is realized, the treatment effect is improved, the operation is simple and convenient, and the discomfort of the patient in gastrointestinal tract disease diagnosis is greatly relieved.

The existing biopsy capsules are used for acquiring required tissues in a clamping mode, are not suitable for biopsy operations of different symptoms, and are inconvenient for medical staff to operate because different equipment needs to be replaced for use when a biopsy needle is needed. And there are problems in that the obtained tissue is limited in the process of performing biopsy using a biopsy needle, the biopsy portion is difficult to drive, and the like.

In order to solve the problems, a capsule endoscope with magnetic control and double needle biopsy functions is designed.

Disclosure of Invention

The utility model aims to provide a capsule endoscope with magnetic control and double needle biopsy functions so as to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a capsule device with magnetic control and double needle biopsy, includes capsule casing and drive mechanism, the capsule casing includes casing and lower casing, go up casing and lower casing joint cooperation and constitute the cavity of installation biopsy needle, the inside hole dress that is equipped with fixed drive mechanism of lower casing and last casing joint department capsule casing, the pinhole that is convenient for biopsy needle to wear out has been seted up to the tip of lower casing, be provided with the drive mechanism that is convenient for control biopsy needle to wear out in the pinhole in the capsule casing.

The transmission mechanism comprises a base, the outer part of base is in along controlling the fixing device department of part fixed connection joint department in the capsule casing, the outer part fixed connection slide rail of following of base, the middle part of base rotates and is connected with the pivot, the pivot with the base junction has the permanent magnet, the one end fixedly connected with link of pivot, the one end rotation that the pivot was kept away from to the link is connected with the gear, rotate on the lateral wall edge of gear and be connected with the slider, the slider passes through the hole in the middle and connects on the slide rail, the biopsy needle is through on the slider at switching frame fixed connection.

Optionally, a first group of holes for fixing the transmission mechanism is arranged in the capsule shell at the joint of the lower shell and the upper shell, and the transmission mechanism is fixed in the capsule shell through the first group of holes.

Optionally, the base middle part fixedly connected with sleeve, one side that the gear was kept away from to the base pass through a plurality of bracing pieces with sleeve fixed connection, the pivot rotates to be connected in the sleeve.

Optionally, the gear includes the teeth of a cogwheel, the second equipment hole of usefulness is connected with the link rotation in the middle part of gear has been seted up.

Optionally, a toothed ring is fixedly connected to the inner wall of the base, and the gear is meshed with the toothed ring.

Optionally, a third assembly hole for connecting with the sliding block is formed in the edge of the switching frame.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the biopsy needle is driven to extend and retract in the needle hole on the lower shell through the driving transmission mechanism, so that tissues required by medical staff are obtained, when the rotating shaft rotates through the permanent magnet and external equipment, the connecting frame on the rotating shaft drives the gear to rotate on the base, at the moment, the switching frame on the gear drives the sliding block to do linear motion on the sliding rail, the purpose that the biopsy needle extends and retracts from the needle hole is achieved, the design of the magnetic driving double-needle biopsy capsule endoscope is adopted, the tissue acquisition amount is greatly improved, the driving problem in the biopsy inside the capsule endoscope is solved, the capsule shell is arranged, discomfort of patients in the use process of the biopsy needle can be reduced, the treatment experience of the patients is improved, and the biopsy needle is convenient for the medical staff to use.

Drawings

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

FIG. 2 is a schematic view of the back structure of the transmission mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of the base of the present utility model;

fig. 4 is a schematic structural view of the gear of the present utility model.

In the figure: 1. an upper housing; 2. a lower housing; 21. a pinhole; 3. a base; 31. a toothed ring; 32. a sleeve; 33. a first assembly hole; 4. a rotating shaft; 41. a connecting frame; 5. a gear; 51. gear teeth; 52. a transfer frame; 53. a second assembly hole; 54. a third assembly hole; 6. a slide rail; 7. a slide block; 8. a biopsy needle.

Detailed Description

Referring to fig. 1 to 4, an embodiment of the present utility model provides a capsule endoscope with magnetic control and double needle biopsy, including a capsule housing and a biopsy needle 8, where the capsule housing includes an upper housing 1 and a lower housing 2, the upper housing 1 and the lower housing 2 are in snap fit to form a cavity for installing the biopsy needle 8, a needle hole 21 for facilitating the penetration of the biopsy needle 8 is formed at the end of the lower housing 2, and a transmission mechanism for facilitating the control of the penetration of the biopsy needle 8 from the needle hole 21 is provided in the capsule housing;

the transmission mechanism comprises a base 3, the base 3 is fixedly connected to a fixing device of the joint in the capsule shell, the upper part of the base 3 is fixedly connected with a sliding rail 6, the middle part of the base 3 is rotationally connected with a rotating shaft 4, the joint of the rotating shaft 4 and the base 3 is provided with a permanent magnet, one end of the rotating shaft 4 is fixedly connected with a connecting frame 52, one end of the connecting frame 52 far away from the rotating shaft 4 is rotationally connected with a gear 5, the edge of the side wall of the gear 5 is connected with a switching frame 41, the switching frame 41 is connected with a sliding block 7, the sliding block 7 is sleeved on the sliding rail 6, and biopsy needles 8 are fixed on two sides of the sliding block 7.

Specifically, drive biopsy needle 8 stretches out and withdraws in needle hole 21 on lower casing 2 through drive mechanism to obtain the required tissue of medical personnel, when pivot 4 passes through permanent magnet and external equipment to rotate, link 42 on pivot 4 drives gear 5 and rotates on base 3, the adapter frame 51 on gear 5 drives slider 7 and makes rectilinear motion on slide rail 6 this moment, and then slider 7 drives biopsy needle 8 and realizes stretching out and withdrawing purpose in needle hole 21, the limited problem of tissue of acquisition in the in-process of using capsule endoscope to carry out the biopsy has been solved in the setting of two needle biopsy, radial magnetism drive control range is big and easy control has solved biopsy mechanism drive difficulty's problem, the setting of capsule shell can reduce biopsy needle 8 in-process patient's discomfort in order to improve patient's treatment experience, also make things convenient for medical personnel to operate, through the mode that the permanent magnet drive pivot 4 rotated, a kind of magnetism accuse initiative motion biopsy capsule robot and operating method of patent application number CN 111772688A has been disclosed for the prior art, the disclosure technology in this area, and no more details.

Further, a first assembly hole for fixing a transmission mechanism is formed in the capsule shell at the joint of the lower shell 2 and the upper shell 1, and the transmission mechanism is fixed in the capsule shell through a first assembly hole 33.

Further, the middle part of the base 3 is fixedly connected with a sleeve 32, one side of the base 3 far away from the gear 5 is fixedly connected with the sleeve 32 through a plurality of support rods, and the rotating shaft 4 is rotatably connected in the sleeve 32.

Specifically, through the setting of sleeve 32, rotate the pivot 4 and connect the middle part at base 3, stability when improving pivot 4 and use improves the harmony between the structure, makes things convenient for the assembly between each structure, is convenient for production.

Further, the gear 5 includes gear teeth 51, and a second assembly hole 53 for rotationally connecting with the connecting frame 52 is provided in the middle of the gear 5.

Further, a toothed ring 31 is fixedly connected to the inner wall of the base 3, and the gear 5 is meshed with the toothed ring 31.

Specifically, when the gear 5 rotates on the base 3 through the rotating shaft 4 due to the arrangement of the toothed ring 31, the gear 5 can rotate on the connecting frame 42 to drive the adapter frame 51 to rotate, so that the sliding block 7 makes linear motion on the sliding rail 6, and stability between structures is improved.

Further, a third assembly hole 53 for connecting with the slider is formed at the edge of the adapter bracket 52.

The application principle of the utility model is as follows: when the rotating shaft 43 rotates through the permanent magnet and external equipment, the connecting frame 41 on the rotating shaft 4 drives the gear 5 to rotate on the inner wall of the base 3, at the moment, the adapter frame 52 on the gear 5 drives the sliding block 7 to do linear motion on the sliding rail 6, and then the sliding block 7 drives the biopsy needle 8 to do linear motion, so that the purpose that the biopsy needle 8 penetrates through the lower shell 2 and stretches out and retracts from the needle hole 21 is achieved, the tissue required by medical staff is obtained, the problem that the tissue is limited in the biopsy process by using the capsule endoscope is solved by the arrangement of double-needle biopsy, and the problem that the biopsy mechanism is difficult to drive is solved because the radial magnetic drive control range is large and easy to control. The capsule shell reduces discomfort of patients in the using process of the biopsy needle 8, so that treatment experience of the patients is improved, and the operation of medical staff is facilitated.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a capsule endoscope with magnetic control and double needle biopsy function, includes capsule casing and biopsy needle (8), the capsule casing includes casing (1) and lower casing (2), go up casing (1) and lower casing (2) joint cooperation and constitute the cavity of installation biopsy needle (8), its characterized in that: a needle hole (21) which is convenient for the biopsy needle (8) to pass through is formed at the end part of the lower shell (2), and a transmission mechanism which is convenient for controlling the biopsy needle (8) to pass through the needle hole (21) is arranged in the capsule shell;

the utility model provides a capsule, including capsule shell, drive mechanism includes base (3), base (3) fixed connection is in the cavity in the capsule shell, the middle part rotation of base (3) is connected with pivot (4), pivot (4) with base (3) junction has the permanent magnet, the one end fixedly connected with link (41) of pivot (4), the one end rotation that pivot (4) was kept away from to link (41) is connected with gear (5), the rotation is connected with switching frame (52) on the lateral wall edge of gear (5), slider (7) are connected to switching frame (52), slider (7) cover is on slide rail (6), biopsy needle (8) fixed connection is in slider (7) both sides.

2. A capsule endoscope with magnetic control and double needle biopsy functions according to claim 1, characterized in that: the capsule is characterized in that a first group of hole assemblies for fixing a transmission mechanism are arranged in the capsule shell at the joint of the lower shell (2) and the upper shell (1), and the transmission mechanism is fixed in the capsule shell through the first group of hole assemblies (33).

3. A capsule endoscope with magnetic control and double needle biopsy functions according to claim 1, characterized in that: the middle part fixedly connected with sleeve (32) of base (3), one side that gear (5) was kept away from to base (3) pass through a plurality of bracing pieces with sleeve (32) fixed connection, pivot (4) rotation is connected in sleeve (32).

4. A capsule endoscope with magnetic control and double needle biopsy functions according to claim 1, characterized in that: the gear (5) comprises gear teeth (51), and a second assembly hole (53) for rotating connection with the connecting frame (41) is formed in the middle of the gear (5).

5. A capsule endoscope with magnetic control and double needle biopsy function according to claim 3, characterized in that: the inner wall of the base (3) is fixedly connected with a toothed ring (31), and the gear (5) is meshed with the toothed ring (31).

6. A capsule endoscope with magnetic control and double needle biopsy functions according to claim 1, characterized in that: and a third assembly hole (54) for connecting with the sliding block (7) is formed in the edge of the switching frame (52).

7. A capsule endoscope with magnetic control and double needle biopsy functions according to claim 6, characterized in that: the sliding block (7) penetrates through the sliding rail (6), and the sliding rail is fixed on the base (3).