CN219374823U

CN219374823U - Stone basket is got to rubble

Info

Publication number: CN219374823U
Application number: CN202222915451.0U
Authority: CN
Inventors: 王伟; 祁可; 丁一波; 赵祥; 金震东; 李兆申
Original assignee: Shanghai Futang Biotechnology Co ltd
Current assignee: Shanghai Futang Biotechnology Co ltd; First Affiliated Hospital of Naval Military Medical University of PLA
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-07-21
Anticipated expiration: 2032-11-02

Abstract

The utility model provides a stone crushing and taking basket, which comprises a handle, an outer sheath tube, an inner sheath tube, a clamp ring and a grabbing part, wherein a hollow butt joint tube is fixedly arranged on the inner wall of the front end of the outer sheath tube, and a plurality of axial grooves are uniformly formed in the outer side wall of the hollow butt joint tube; the stone extraction net wires of the grabbing part respectively pass through the grooves correspondingly and then are fixedly connected with the distal end of the inner sheath tube; the inner sheath tube can be sleeved in the outer sheath tube in a sliding manner, and the stone extraction net wire can be pulled to enter and exit the outer sheath tube by sliding the inner sheath tube. According to the stone-fetching basket, the arranged grabbing part, the hollow butt joint pipe and the laser optical fiber and the miniature camera are combined, so that the laser stone-fetching basket is visualized, the operation is more convenient, safe and reliable, the cost is low, the stone-fetching efficiency and accuracy are effectively improved, the damage and risk to a patient are reduced, and the operation of an operating doctor is facilitated.

Description

Stone basket is got to rubble

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a stone breaking and taking basket.

Background

The stone-taking basket is widely applied to the treatment of the symptoms of stones in different operation fields such as urology surgery, biliary tract and the like, the existing stone-taking basket mainly takes stones with the diameter less than or equal to 1cm, and three main solutions for larger stones are as follows: 1, under the irradiation of X-ray, connecting a mechanical stone breaking device on a basket to break stone and take stone, so that the operation is complex; 2, for huge stones, surgical means of large papillary incision and large sphincter dilation are adopted, and the complication probability of surgical bleeding, postoperative pancreatitis and the like is high; 3, under the direct vision condition provided by the superfine biliary tract endoscope in the SPYglass system, laser lithotripsy and lithotripsy are carried out, the technical safety is highest, but the SPYglass superfine biliary tract endoscope is expensive.

Therefore, the medical instrument which can crush and fetch the stone from the larger stone and has convenient operation, safety, reliability and low price is a problem to be solved urgently.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the stone crushing and taking basket, which effectively improves the stone taking efficiency and accuracy, reduces the injury and risk brought to patients, facilitates the operation of operating doctors and improves the experience of both the operating doctors and the patients to a certain extent.

The utility model adopts the following technical proposal to solve the defects of the technology:

the utility model provides a rubble stone-taking basket, which comprises a handle, an outer sheath tube, an inner sheath tube, a clamp ring and a grabbing part, wherein a hollow butt joint tube is fixedly arranged on the inner wall of the front end of the outer sheath tube, and a plurality of axial grooves are uniformly formed on the outer side wall of the hollow butt joint tube; the stone extraction net wires of the grabbing part respectively pass through the grooves correspondingly and then are fixedly connected with the distal end of the inner sheath tube; the inner sheath tube can be sleeved in the outer sheath tube in a sliding manner, and the stone extraction net wire can be pulled to enter and exit the outer sheath tube by sliding the inner sheath tube.

Further, the handle is connected with a clamp ring in a sliding manner, the handle is provided with a sliding groove along the axial direction, the proximal end of the inner sheath tube is fixedly connected with the clamp ring, the proximal end of the outer sheath tube is fixedly connected with the distal end of the handle, and the clamp ring can drive the inner sheath tube to move back and forth in the sliding groove along the axial direction of the inner sheath tube.

Further, the hollow butt joint pipe is communicated with the cavity of the inner sheath pipe to form a channel, and the channel can be used for a laser fiber or/and a micro camera to pass through.

Further, the grabbing part is a basket or claw type foreign body forceps.

Further, a plurality of stone-taking net wires are fixed together at the far end through a net basket end head to form the net basket, and the net basket end head is provided with a cavity for the laser optical fiber or/and the micro camera to penetrate.

Further, the two sides of the clamp ring are respectively provided with a first holding ring which is convenient for the fingers to pass through for operation.

Further, a second holding ring which is convenient for the fingers to pass through for operation is arranged at the proximal end of the handle.

Compared with the prior art, the utility model has the following technical advantages:

according to the stone crushing and taking basket, the grabbing part and the hollow butt joint pipe are arranged and combined with the laser fiber and the miniature camera, so that the stone position is fixed after the stone is grabbed by the grabbing part, and then the stone is crushed by the laser fiber along a preset track under a visual condition, so that the success rate and safety of crushing are improved.

The stone crushing and taking basket effectively improves the stone crushing and taking efficiency and accuracy, reduces the injury and risk brought to patients, facilitates the operation of operating doctors, and improves the experience of the operating doctors and the patients to a certain extent.

Drawings

FIG. 1 is a schematic view of the front view of the crushed stone extracting basket of the present utility model;

FIG. 2 is an enlarged schematic cut-away view at A in FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

wherein the reference numerals are as follows:

a handle 1; an outer sheath 2; an inner sheath 3; a basket 4; a stone removal net wire 41; a channel 5; a hollow butt joint pipe 6; a groove 61; a clamp ring 7; a chute 8; basket end 9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-4, the embodiment provides a stone crushing and taking basket, which comprises a handle 1, an outer sheath tube 2, an inner sheath tube 3, a clamp ring 7 and a grabbing part, wherein a hollow butt joint tube 6 is fixedly arranged on the inner wall of the front end of the outer sheath tube 2, and a plurality of axial grooves 61 are uniformly formed on the outer side wall of the hollow butt joint tube 6; the stone removing wires 41 of the grabbing part respectively pass through the grooves 61 correspondingly and then are fixedly connected with the distal end of the inner sheath tube 3; the inner sheath tube 3 is slidably sleeved in the outer sheath tube 2, and sliding the inner sheath tube 3 can drive the stone extraction net wire 41 to enter and exit the outer sheath tube 2.

In this embodiment, the handle 1 is slidably connected with a clamp ring 7, a chute 8 is axially provided in the handle 1, the proximal end of the inner sheath 3 is fixedly connected with the clamp ring 7, the proximal end of the outer sheath 2 is fixedly connected with the distal end of the handle 1, and the clamp ring 7 can drive the inner sheath 3 to move back and forth in the chute 8 along the axial direction thereof.

In this embodiment, cavity intercommunication that the cavity was to takeover 6 with interior sheath 3 forms passageway 5, passageway 5 can supply laser fiber or/and miniature camera to pass through, has realized visual laser rubble through cavity that sets up to the takeover 6, thereby make get stone basket operation more convenient, safe and reliable, low price, effectively improved efficiency and the accuracy of getting the stone, reduced injury and the risk that bring the patient, made things convenient for operating physician's operation.

In this embodiment, the gripping portion is a basket 4 or claw-type foreign body forceps, and the claw-type foreign body forceps may be connected by a plurality of stone-taking wires 41, and in other embodiments, the gripping portion is not limited to the basket 4 or claw-type foreign body forceps, but may be other types of heads.

In this embodiment, a plurality of stone removing wires 41 are fixed together at the distal end by a basket end 9 to form the basket 4, and the basket end 9 has a cavity for the laser fiber or/and the micro camera to penetrate.

In this embodiment, the two sides of the clamp ring 7 are respectively provided with a first holding ring which is convenient for the finger to pass through for operation.

In this embodiment, the proximal end of the handle 1 is provided with a second holding ring for facilitating the finger to pass through for operation.

In another embodiment, the handle 1 may be provided with a rotating block, the rotating block is sleeved on the outer surface of the proximal end of the inner sheath 3, and the inner sheath 3 is driven to rotate by the rotating block.

The concrete use process of the broken stone taking basket of the embodiment is as follows:

when the gripping part is used for the basket 4, the thumb can be stretched into the second holding ring, the middle finger and the index finger respectively stretch into the two first holding rings, the operating clamp ring 7 is pulled backwards on the handle 1, the clamp ring 7 drives the inner sheath tube 3 to move backwards, so that the basket 4 is contained in the groove 61, then the outer sheath tube 2 is inserted into the endoscope, when the basket is inserted into a calculus position, the outer sheath tube 2 is controlled to enable the outer sheath tube 2 to be aligned to the position above the calculus, then the clamp ring 7 is pushed forwards to release the basket 4 and sleeve the calculus, the clamp ring 7 is pulled backwards, the basket 4 is contracted inwards towards the outer sheath tube 2, under the double constraint of the outer sheath tube 2 and the calculus, the calculus is taken out in a tensioned state, the calculus is tightly sleeved, if the calculus is relatively small, the calculus is taken out directly, the basket 4 is controlled to enter the outer sheath tube 2 under the condition of the direct view according to the picture shot by the miniature camera, the picture shot by the miniature camera is opened under the direct view condition, and finally the calculus is taken by the laser camera.

In conclusion, through the rubble stone-taking basket of this embodiment, effectively improved efficiency and the accuracy of getting the stone, reduced injury and risk to the patient and brought, made things convenient for doctor's operation, experienced the sense to doctor and patient and all had certain improvement.

In this embodiment, the proximal end of each component is the end that is adjacent to the operator or surgeon in use; the distal end of each component is the end that, in use, is closer to the patient or further from the operator.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. The stone crushing and taking basket comprises a handle (1), an outer sheath tube (2), an inner sheath tube (3), a clamp ring (7) and a grabbing part, and is characterized in that a hollow butt joint tube (6) is fixedly arranged on the inner wall of the front end of the outer sheath tube (2), and a plurality of axial grooves (61) are uniformly formed in the outer side wall of the hollow butt joint tube (6); the stone extraction net wires (41) of the grabbing part respectively pass through the grooves (61) correspondingly and then are fixedly connected with the far end of the inner sheath tube (3); the inner sheath tube (3) is slidably sleeved in the outer sheath tube (2), and sliding the inner sheath tube (3) can drive the stone extraction net wire (41) to enter and exit the outer sheath tube (2).

2. The lithotriptic stone removal basket according to claim 1, wherein the handle (1) is slidably connected with a clamp ring (7), a chute (8) is formed in the handle (1) along the axial direction, the proximal end of the inner sheath tube (3) is fixedly connected with the clamp ring (7), the proximal end of the outer sheath tube (2) is fixedly connected with the distal end of the handle (1), and the clamp ring (7) can drive the inner sheath tube (3) to move back and forth in the chute (8) along the axial direction thereof.

3. The lithotriptic stone basket according to claim 1, wherein the hollow butt joint pipe (6) and the cavity of the inner sheath pipe (3) are communicated to form a channel (5), and the channel (5) can be used for passing a laser fiber or/and a miniature camera.

4. The lithotripsy and stone basket according to claim 1, characterized in that the gripping part is a basket (4) or claw-type foreign body forceps.

5. The lithotripsy and stone-taking basket according to claim 4, characterized in that a plurality of stone-taking wires (41) are fixed together at the distal end by a basket head (9) to form the basket (4), the basket head (9) having a cavity for the penetration of laser fibers or/and micro-cameras.

6. The lithotripsy and lithotripsy basket according to claim 1, characterized in that the forceps ring (7) is provided with a first gripping ring on both sides for facilitating the passage of fingers for operation.

7. The lithotripsy and lithotripsy basket according to claim 1, characterized in that the proximal end of the handle (1) is provided with a second holding ring for facilitating the passage of fingers for operation.