CN219480253U

CN219480253U - Disposable steerable cystoscope foreign body forceps

Info

Publication number: CN219480253U
Application number: CN202320557213.9U
Authority: CN
Inventors: 夏晓芳; 皇甫祺; 张楠
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-08-08
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a disposable steerable cystoscope foreign body forceps, and belongs to the technical field of medical foreign body extraction equipment. A disposable steering cystoscope foreign body forceps comprises a handle, a catheter and a forceps head; the handle comprises a push ring, an opening and closing push plate, a rotary buckle and a rod body; the opening and closing push plate and the rotary buckle are sleeved on the periphery of the rod body; the joint of the clamp head rotary buckle and the rod body is provided with threads; the conduit comprises a hose, a guy cable and a joint; one end of the hose is connected with the rod body, and the other end is connected with the joint; a guy cable passes through the conduit; the forceps head comprises a forceps body, a transmission part and a forceps head seat; the pliers head seat is connected with the joint protruding part through threads; the transmission part is connected with the clamp head and is fixed in the clamp head seat; the stay rope connected with the clamp head base is wound on the connector along the threads, then enters the inside of the catheter to be connected with the rotary buckle, and drives the clamp head to rotate when rotating the rotary buckle, so that the clamp head reaches a required angle to grasp foreign matters, and the clamp head is greatly convenient for an operator to use.

Description

Disposable steerable cystoscope foreign body forceps

Technical Field

The utility model belongs to the technical field of medical foreign body extraction equipment, and particularly relates to a disposable steerable soft-bladder mirror foreign body forceps.

Background

In the present day, there are often lesions in the bladder, and it is often necessary to ablate the lesions located in the bladder or remove stones and other foreign bodies. The common operation needs to cut the human body and then treat the corresponding parts, has great harm to the human body and is not beneficial to the recovery of later patients.

The bladder soft lens can enter the bladder of a patient for observation without external wounds, and simultaneously, the bladder soft lens is matched with foreign body forceps for use to clamp out foreign bodies such as stones, brackets and the like positioned in the bladder.

However, the foreign matter forceps often have a foreign matter posture which is not matched with the foreign matter forceps in the foreign matter taking process, so that the foreign matter cannot be taken out at the current angle, often multiple attempts are needed, or the foreign matter forceps are repeatedly pulled out and inserted to enable the angle of the foreign matter forceps to be suitable, so that the foreign matter can be taken out. The patient is inevitably subjected to more discomfort during this process.

The device can produce pollution after grabbing foreign matters in a patient, has a small structure, is difficult to clean and disinfect and has low price, so the device is a disposable product.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a disposable rotatable soft cystoscope foreign body forceps, which can realize providing a new technical idea, wherein a forceps head and a catheter are connected by using threads, and a turnbuckle is connected by using a steering stay rope. The rotary buckle is rotated and the steering cable is pulled at the same time, so that the steering cable at the end of the clamp head pulls the clamp head along the threads, thereby realizing the rotation of the clamp head and effectively taking out foreign matters in a patient.

Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

A disposable steering cystoscope foreign body forceps comprises a handle, a catheter and a forceps head.

The handle comprises a push ring, an opening and closing push plate, a rotary buckle and a rod body; the tail end of the rod body is connected with a push ring; the opening and closing push plate and the rotary buckle are sequentially sleeved on the periphery of the rod body; the rotary buckle is in threaded fit with the rod body.

The conduit comprises a hose, a guy cable and a joint; one end of the hose is connected with the top end of the rod body, and the other end is connected with the joint; the hose has a cavity therein through which a pair of cables pass.

The forceps head comprises a forceps head seat, a pair of transmission parts and a pair of forceps bodies; the pliers head seat is connected with the connector by screw threads; the pair of transmission parts are connected with the pair of forceps bodies and are fixed on the forceps head seat.

The catheter is provided with two inhaul cables; one end of an opening and closing inhaul cable is connected with an opening and closing push plate, and the other end of the opening and closing inhaul cable is connected with the bottom of the transmission part and is used for controlling the opening and closing of the clamp body; one end of the other steering inhaul cable is connected with the rotating buckle, and one end of the other steering inhaul cable penetrates through the side hole of the joint and is wound along threads to be connected with the clamp head seat.

Further, open and close push pedal and rotatory knot relevant position open and have logical groove knot on the body of rod for the motion of opening and close push pedal and rotatory knot is spacing.

Further, the rotary buckle comprises an outer ring and an inner buckle, an annular groove is formed in the outer ring, the inner buckle is buckled in the annular groove through a rod body notch, and when the outer ring is screwed, the inner buckle moves along with the outer ring and pulls the steering inhaul cable.

Further, a groove hook is arranged at the bottom of the clamp head seat and is connected with the steering inhaul cable through the groove hook, meanwhile, the groove hook is clamped into the thread of the joint to pull the steering inhaul cable, and the groove hook moves along the thread to drive the whole clamp head to rotate

Further, the screw pitch of the matched screw thread of the rod body and the rotary buckle is adjusted, so that the moving distance of the rotary buckle on the rod body is changed after the rotary buckle rotates, the length of the pulling steering inhaul cable is controlled, and the rotating angle of the clamp head is changed.

Furthermore, the spring is arranged at the joint of the connector and the clamp head seat, so that the clamp head can be pushed back better when the rotary buckle is put back to the steering inhaul cable, and the reset of the rotation angle is realized. Meanwhile, the flexible material can be wrapped at the position, so that the foreign body forceps can be prevented from scratching or clamping the tissues of a patient in the using process.

Advantageous effects

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

the utility model provides a new structural design idea.

The clamp head adopts a threaded matching design, and can rotate within a certain range by matching with stretching.

The handle part of the utility model uses the opening and closing push plate and the rotary buckle to respectively control the opening and closing and the rotation of the clamp head, and the operation is simple and the clamp is easy to be put on hand.

The clamp head seat is provided with the groove hook, so that the moving direction of the connected steering inhaul cable can be effectively controlled, and the fact that the steering inhaul cable pulls the clamp head to move along the screw thread is practically ensured.

The spring is additionally arranged at the connecting part of the connector and the clamp head seat, so that the clamp head can effectively rotate when the steering inhaul cable is replayed.

The flexible material is wrapped outside the joint and the clamp head seat connecting part, so that the joint and the clamp head seat are wrapped by threads, and the damage of body tissues of a patient in the operation process is effectively prevented.

Drawings

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

FIG. 2 is a schematic plan view of the present utility model;

FIG. 3 is a schematic view of a portion of a binding clip according to the present utility model;

FIG. 4 is a schematic view of the connection structure of the caliper body and the transmission part of the present utility model;

FIG. 5 is a schematic view of the inner structure of the rotary buckle according to the present utility model;

FIG. 6 is a schematic view of the connection structure of the joint and the clamp head base of the present utility model;

FIG. 7 is a schematic view of an opening and closing push plate according to the present utility model;

in the figure, 1, a handle; 11. push ring 12, opening and closing push plate 13, rotary button 131, outer ring 132, inner button 14, rod body;

a conduit; 21. the hose, 22, the joint, 23, the stay rope, 23a, the opening and closing stay rope, 23b and the steering stay rope;

a clamp head; 31. a jaw seat, 311, a groove hook, 32, a jaw body, 33 and a transmission part.

Detailed Description

The drawings in the embodiments of the present utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; it is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments, based on embodiments in the utility model; all other embodiments obtained by those skilled in the art without undue burden; all falling within the scope of the present utility model.

Example 1:

as shown in fig. 1-7, a disposable steerable cystoscope foreign body forceps comprises a handle 1, a catheter 2 and a forceps head 3. The top end of the handle 1 is connected with one end of a hose 21 in the catheter 2, the other end of the hose 21 is connected with a joint 22, and the joint 22 is connected with the clamp head 3.

The handle 1 comprises a push ring 11, an opening and closing push plate 12, a rotary buckle 13 and a rod body 14; the push ring 11 is connected to the bottom end of the rod body 14, the opening and closing push plate 12 is sleeved on the lower part of the rod body 14, and the rotary buckle 13 is sleeved on the upper part of the rod body 14; the rod body 14 is provided with through slots for limiting at the positions of the opening and closing push plate 12 and the rotary buckle 13. The rotary buckle 13 is in threaded fit with the rod body 14, and threads are tapped at corresponding positions.

The specific catheter 2 comprises a hose 21, a joint 22 and two guys 23, wherein the guys 23 are respectively an opening and closing guy 23a for controlling opening and closing and a steering guy 23b for controlling steering. One end of the hose 21 is connected with the top end of the rod body 14 of the handle 1, and the other end is connected with the joint 22, a cavity is formed in the hose 21, and two inhaul cables 23 penetrate through the cavity.

The specific clamp head 3 comprises a clamp head seat 31, a clamp body 32 and a transmission part 33; the transmission part 33 and the jaw body 32 are matched with each other as shown in fig. 3, and then are fixed in the jaw seat 31, which is the prior art and is not repeated here. The jaw mount 31 is screwed to the joint 22.

One end of a specific opening and closing inhaul cable 23a is connected with the opening and closing push plate 12, and the other end of the specific opening and closing inhaul cable passes through the hollow part of the rod body 14 and the hollow part of the hose 21, the joint 22 and the clamp head seat 31 to be connected with the transmission part 33; one end of the steering stay cable 23b is connected with the rotary buckle 13, the other end passes through the rod body 14 and the hollow part of the hose 21, and the steering stay cable passes out of the side hole at the joint 22 and is connected with the slot hook 311 after being wound along the thread.

During the use, the clamp head 3 and part of the catheter 2 extend into a patient, one thumb of a user is buckled into the push ring 11, the index finger and the middle finger buckle the opening and closing push plate 12, the opening and closing push plate 12 is pushed, the opening and closing inhaul cable 23a is controlled, and the opening and closing inhaul cable 23a drives the transmission part 33, so that the opening of the clamp body is controlled. The other hand is used for screwing the rotary buckle 13, the rotary buckle 13 moves on the rod body 14 to pull the steering inhaul cable 23b, and the other end of the steering inhaul cable 23b moves on the joint 22 along threads to pull the clamp head 3 to rotate along the threads, so that foreign matters at different angles are grabbed.

Example 2:

unlike embodiment 1, the rotary button 13 includes an outer ring 131 and an inner button 132, the outer ring 131 is internally provided with an annular groove inner button 132 passing through the through groove of the rod body 14 and moving in the groove with the rotation of the outer ring 131, and the steering cable 23b is connected to the inner button 132. The groove hook 311 is arranged at the bottom of the clamp head seat 31 and is buckled in the thread groove of the joint 22, and the steering inhaul cable 23b is connected with the groove hook 311, so that the inhaul cable can move more stably along the thread, and the clamp head 3 can be pulled to rotate better. And a spring is arranged between the clamp head seat 31 and the joint 22, so that the clamp head 3 is returned to the positive direction by enough force when the inhaul cable is replayed. The flexible material is wrapped between the clamp head holder 31 and the connector 22 to prevent injury to patient tissue during use.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. A disposable steerable cystoscope foreign matter pincers, its characterized in that: comprises a handle (1), a catheter (2) and a clamp head (3);

the handle (1) comprises a push ring (11), an opening and closing push plate (12), a rotary buckle (13) and a rod body (14); the tail end of the rod body (14) is fixedly connected with the push ring (11); the opening and closing push plate (12) and the rotary buckle (13) are sequentially sleeved on the periphery of the rod body (14); the rotary buckle (13) is in threaded fit with the rod body (14);

the conduit (2) comprises a hose (21), a guy cable (23) and a joint (22); one end of the hose (21) is connected with the top end of the rod body (14), and the other end is connected with the joint (22); the hose (21) has a cavity therein, and a pair of guy wires (23) run through the interior;

the clamp head (3) comprises a clamp head seat (31), a pair of transmission parts (33) and a pair of clamp bodies (32); the clamp head seat (31) is connected with the joint (22) by screw threads; a pair of transmission parts (33) are connected with a pair of forceps bodies (32) and are fixed on the forceps head seat (31);

the catheter (2) is provided with two inhaul cables (23); an opening and closing stay rope (23 a) and a steering stay rope (23 b) respectively; one end of an opening and closing inhaul cable (23 a) is connected with the opening and closing push plate (12), and the other end is connected with the bottom of the transmission part (33) and used for controlling the opening and closing of the clamp body (32); one end of the other steering inhaul cable (23 b) is connected with the rotary buckle (13), and one end of the other steering inhaul cable passes through the side hole of the joint (22) and is connected with the clamp head seat (31) after being wound along threads.

2. A disposable, steerable soft-mirror foreign body forceps as defined in claim 1, wherein: two through grooves are formed in the rod body (14) and are used for limiting the displacement of the opening and closing push plate (12) and the rotary buckle (13) on the rod body (14).

3. A disposable, steerable soft-mirror foreign body forceps as defined in claim 1, wherein: the rotary buckle (13) comprises an outer ring (131) and an inner buckle (132), a round groove is formed in the outer ring (131), the inner buckle (132) is clamped on the round groove through a notch of the rod body (14) and can move along with the rotation of the outer ring, and a steering inhaul cable (23 b) fixed on the inner buckle (132) is pulled.

4. A disposable, steerable soft-mirror foreign body forceps as defined in claim 1, wherein: a groove hook (311) is arranged at the bottom of the clamp head seat (31) and is connected with one end of a steering inhaul cable (23 b); the groove hook (311) is hooked into an external thread groove of the joint (22), so that the clamp head (3) rotates along the thread when the steering stay cable (23 b) is pulled.

5. A disposable, steerable soft-mirror foreign body forceps as defined in claim 1, wherein: the screw pitch on the rod body (14) is increased, the displacement is increased when the rotary buckle (13) rotates, and the longer steering stay cable (23 b) is pulled to increase the rotation angle of the clamp head (3).