Bladder foreign body fetching forceps

Abstract

The utility model belongs to the technical field of fetching forceps, and provides a pair of bladder foreign body fetching forceps, which comprises a catheter, a clamping mechanism and a driving component. When the foreign matter is taken out, the multiple sets of clamping rods extend into the bladder from the urethra, then the multiple sets of clamping rods are driven by the driving assembly to be opened, the opening of the net bag can be opened, the foreign matter can be sleeved with the net bag at the moment, and then the multiple sets of clamping rods are driven by the driving assembly to be closed so that the opening of the net bag can be closed to wrap the foreign matter. By arranging the net bag to wrap the foreign matter, large foreign matter can be conveniently taken out at a time, discomfort of a patient is reduced, the bladder foreign matter taking-out efficiency is improved, meanwhile, the net bag can cut the large soft foreign matter, follow-up automatic discharging of the soft foreign matter is facilitated, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of object-removing forceps, in particular to a pair of bladder foreign body removing forceps. Background Art

[0002] In the clinical work of urology, patients with foreign bodies in the bladder are often encountered. Common foreign bodies in the bladder include stones, blood clots, tissue residues after surgery, catheter residues, etc. At present, the main means of removing foreign bodies in the bladder are to flush out the foreign bodies with a cystoscope, or to clamp the foreign bodies with foreign body forceps through the cystoscope operation channel and remove them from the body.

[0003] For example, the Chinese patent No. 201420106652.9 discloses a foreign body forceps for cystoscope, including a forceps head, a steel rope, a spring hose, a guide tube, a handle, a grip and a thumb ring; the forceps head includes a clamp, a pin, a connecting plate, a cup seat and a shaft; the clamp is a pair of toothed curved claw-shaped components, the two clamps are hinged on the cup seat through the pin in a way that they can bite each other, the lower ends of the two clamps are connected to the distal end of the connecting plate, and the proximal end of the connecting plate is connected to the distal end of the shaft; a slide groove is provided on the handle, the handle cover is covered on the handle and can move axially along the slide groove on the handle; the proximal end of the handle is fixedly connected to the thumb ring, the distal end of the handle is fixedly connected to the guide tube, the proximal end of the steel rope passes through the handle and the inside of the guide tube and is fixedly connected to the handle, the distal end of the steel rope is fixedly connected to the shaft, the spring hose is covered on the outside of the steel rope, and the distal end of the spring hose is welded to the cup seat.

[0004] Most existing bladder foreign body extraction forceps only use a pair of meshing jaws to clamp and remove foreign bodies. When removing larger foreign bodies such as stones and blood clots, the meshing and clamping of the jaws can usually only remove a small part of the foreign body, so multiple clamping operations are required, which not only easily causes discomfort to the patient, but also reduces the efficiency of bladder foreign body extraction. Therefore, in view of the above technical problems, a bladder foreign body extraction forceps is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a bladder foreign body removal forceps to reduce the discomfort of patients and improve the efficiency of removing bladder foreign bodies.

[0006] A bladder foreign body removal forceps, comprising:

[0007] A conduit having a mounting head at one end, wherein a guide hole is formed at an end of the mounting head away from the conduit;

[0008] The clamping mechanism comprises a guide seat, a clamping rod and a net bag, wherein the guide seat is slidably arranged in the guide hole, and the mounting head is rotatably connected to multiple groups of the clamping rods at intervals around the periphery, and one end of each group of the clamping rods is provided with a shifting groove, and multiple groups of shifting rods are arranged on the guide seat corresponding to the multiple groups of the shifting grooves, and the multiple groups of the shifting rods are slidably arranged in the multiple groups of the shifting grooves, and the net bag is located between the multiple groups of the clamping rods, and the periphery of the opening of the net bag is respectively connected to the other ends of the multiple groups of the clamping rods; and

[0009] A driving assembly is arranged at the other end of the catheter and connected to the guide seat. The driving assembly can drive the guide seat to slide so as to open or close the multiple groups of clamping rods.

[0010] The beneficial effects of the above-mentioned bladder foreign body removal forceps are:

[0011] When removing foreign bodies, multiple groups of clamping rods are extended into the bladder from the urethra, and then the multiple groups of clamping rods are driven to open by the driving components. The opening of the net bag can be opened when the multiple groups of clamping rods are opened. At this time, the net bag can be put on the foreign body, and then the multiple groups of clamping rods are driven to close by the driving components to close the opening of the net bag to wrap the foreign body. By setting up the net bag to wrap the foreign body, it is convenient to remove larger foreign bodies at one time, thereby reducing the patient's discomfort and improving the efficiency of removing foreign bodies from the bladder. At the same time, the net bag can cut larger soft foreign bodies, thereby facilitating the subsequent self-discharge of the soft foreign bodies and improving the practicality of the device.

[0012] In one embodiment, the driving assembly includes a first clamp handle, a second clamp handle and a spring; the first clamp handle and the second clamp handle are cross-hinged, a fixed seat is provided at one end of the first clamp handle, the fixed seat is connected to the catheter, a limiting seat is provided at the end of the second clamp handle close to the fixed seat, a guide wire is provided on the limiting seat, the guide wire can be slidably passed through the catheter, and the free end of the guide wire is connected to the guide seat, the spring is sleeved on the guide wire, and the two ends of the spring respectively resist the fixed seat and the limiting seat. By closing and pressing one end of the first clamp handle and the second clamp handle, the limit seat is moved close to the fixed seat. When the limit seat moves close to the fixed seat, the spring can be squeezed and the guide wire can drive the guide seat to move away from the fixed seat. When the guide seat moves away from the fixed seat, the multiple groups of clamping rods can be driven to open and rotate through the cooperation of the shift rod and the shift groove. By canceling the force applied to the first clamp handle and the second clamp handle, the reaction force of the spring causes the limit seat to move away from the fixed seat. When the limit seat moves away from the fixed seat, the guide wire can drive the guide seat to move in the opposite direction. The guide seat can move in the opposite direction to close the multiple groups of clamping rods, making it convenient to drive the multiple groups of clamping rods to open and close.

[0013] In one embodiment, the end of the first clamp handle away from the fixing seat and the end of the second clamp handle away from the limiting seat are both provided with finger rings. When in use, fingers can be inserted into the finger rings to facilitate driving the rotation of the first clamp handle and the second clamp handle, which is convenient to use and improves the stability of the holding device.

[0014] In one embodiment, the ends of the multiple groups of clamping rods away from the mounting head are all provided with crushing rods, and the side walls of the multiple groups of crushing rods facing the axis of the mounting head are all provided with multiple groups of crushing teeth at intervals. By providing the crushing rods and crushing teeth in coordination, it is convenient to clamp and crush foreign objects when the multiple groups of clamping rods are closed, thereby improving the crushing effect of foreign objects and facilitating the self-discharge of foreign objects after crushing.

[0015] In one embodiment, the ends of the plurality of groups of clamping rods away from the mounting head are all provided with fixing hooks, and the peripheral side of the opening of the net bag is provided with a plurality of groups of hook grooves corresponding to the plurality of groups of fixing hooks, and the plurality of groups of fixing hooks can be hooked in the plurality of groups of hook grooves. The net bag is connected by the fixing hooks and the hook grooves, and the net bag is easy to install and disassemble, and is convenient for replacement of the net bag.

[0016] In one embodiment, an elastic ring is provided at the edge of the net bag opening, and the elastic ring can be clamped in the plurality of sets of the fixing hooks. The elastic ring is provided to facilitate the contraction of the net bag opening, thereby preventing foreign objects in the net bag from falling out of the net bag opening during the withdrawal process of the device.

[0017] In one embodiment, the elastic ring is provided with multiple groups of levers at intervals along the circumference of the elastic ring, and the multiple groups of levers extend toward the axis of the mounting head, and further shield the opening of the net bag to prevent foreign objects in the net bag from falling out of the opening of the net bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 A schematic diagram of the three-dimensional structure of a bladder foreign body removal forceps provided in one embodiment of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of a bladder foreign body removal forceps with a clamping mechanism in a closed state;

[0021] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of a bladder foreign body removal forceps with a clamping mechanism in an open state;

[0022] Figure 4 for Figure 1 An exploded view of a clamping rod in a bladder foreign body extraction forceps is shown.

[0023] Reference numerals:

[0024] 10. conduit; 101. mounting head; 102. guide hole;

[0025] 20. Guide seat; 201. Push rod;

[0026] 30. Clamping rod; 301. Slitting groove; 302. Crushing rod; 3021. Crushing teeth; 303. Fixing hook;

[0027] 40, net bag; 401, elastic ring; 402, gear lever; 403, hook groove;

[0028] 50. Driving assembly; 501. Limiting seat; 502. Spring; 503. Fixed seat; 504. First clamp handle; 505. Second clamp handle; 506. Guide wire; 507. Finger ring. DETAILED DESCRIPTION

[0029] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0030] See also Figures 1 to 3 In one embodiment, a bladder foreign body removal forceps includes a catheter 10, a clamping mechanism and a drive assembly 50.

[0031] Among them, a mounting head 101 is provided at one end of the catheter 10, and a guide hole 102 is provided at the end of the mounting head 101 away from the catheter 10. The clamping mechanism includes a guide seat 20, a clamping rod 30 and a net bag 40. The guide seat 20 can be slidably arranged in the guide hole 102. Multiple groups of clamping rods 30 are rotatably connected to the periphery of the mounting head 101 at intervals. One end of the multiple groups of clamping rods 30 is provided with a shifting groove 301. Multiple groups of shifting rods 201 are provided on the guide seat 20 corresponding to the multiple groups of shifting grooves 301. The multiple groups of shifting rods 201 are slidably arranged in the multiple groups of shifting grooves 301. The net bag 40 is located between the multiple groups of clamping rods 30, and the opening periphery of the net bag 40 is respectively connected to the other end of the multiple groups of clamping rods 30. The driving component 50 is arranged at the other end of the catheter 10 and connected to the guide seat 20. The driving component 50 can drive the guide seat 20 to slide so as to open or close the multiple groups of clamping rods 30.

[0032] Specifically, the driving assembly 50 includes a first clamp handle 504, a second clamp handle 505 and a spring 502. The first clamp handle 504 and the second clamp handle 505 are cross-hinged, one end of the first clamp handle 504 is provided with a fixed seat 503, the fixed seat 503 is connected to the catheter 10, the end of the second clamp handle 505 close to the fixed seat 503 is provided with a limit seat 501, the limit seat 501 is provided with a guide wire 506, the guide wire 506 can be slidably passed through the catheter 10, and the free end of the guide wire 506 is connected to the guide seat 20, the spring 502 is sleeved on the guide wire 506, and the two ends of the spring 502 respectively resist the fixed seat 503 and the limit seat 501.

[0033] In the above embodiment, when removing foreign matter, the multiple groups of clamping rods 30 are extended into the bladder from the urethra, and then the first clamp handle 504 and one end of the second clamp handle 505 are closed and pressed to move the limiting seat 501 close to the fixed seat 503. The limiting seat 501 moves close to the fixed seat 503 to squeeze the spring 502 and make the guide wire 506 drive the guide seat 20 to move away from the fixed seat 503. The guide seat 20 moves away from the fixed seat 503, and the multiple groups of clamping rods 30 can be driven to open and rotate through the cooperation of the lever 201 and the lever groove 301. The opening of the multiple groups of clamping rods 30 can open the opening of the net bag 40. At this time, the net bag 40 can be set on the foreign matter, and then the first clamp handle 504 can be cancelled. The force applied by the second clamp handle 505 and the reaction force of the spring 502 cause the limit seat 501 to move away from the fixed seat 503. The movement of the limit seat 501 away from the fixed seat 503 can drive the guide seat 20 to move in the opposite direction through the guide wire 506. The reverse movement of the guide seat 20 can close the multiple groups of clamping rods 30. The closing of the multiple groups of clamping rods 30 closes the opening of the net bag 40 to wrap the foreign matter. By setting the net bag 40 to wrap the foreign matter, it is convenient to remove larger foreign matter at one time, thereby reducing the patient's discomfort and improving the efficiency of removing bladder foreign matter. At the same time, the net bag 40 can cut larger soft foreign matter, thereby facilitating the subsequent self-discharge of the soft foreign matter, thereby improving the practicality of the device.

[0034] See also Figure 1 In one embodiment, the end of the first clamp handle 504 away from the fixing seat 503 and the end of the second clamp handle 505 away from the limiting seat 501 are both provided with a finger ring 507. When in use, the finger can be inserted into the finger ring 507 to facilitate the rotation of the first clamp handle 504 and the second clamp handle 505, which is convenient to use and improves the stability of the holding device.

[0035] See also Figures 2 to 4In one embodiment, the ends of the multiple groups of clamping rods 30 away from the mounting head 101 are all provided with crushing rods 302, and the side walls of the multiple groups of crushing rods 302 facing the axis of the mounting head 101 are all provided with multiple groups of crushing teeth 3021 at intervals. By arranging the crushing rods 302 and the crushing teeth 3021 to cooperate, when the multiple groups of clamping rods 30 are closed, the multiple groups of crushing rods 302 drive the multiple groups of crushing teeth 3021 to close and clamp and crush foreign objects, thereby improving the crushing effect of foreign objects and facilitating the self-discharge of foreign objects after crushing.

[0036] See also Figure 4 In one embodiment, the ends of the plurality of clamping rods 30 away from the mounting head 101 are all provided with fixing hooks 303, and the opening side of the net bag 40 is provided with a plurality of hook grooves 403 corresponding to the plurality of fixing hooks 303, and the plurality of fixing hooks 303 can be hooked in the plurality of hook grooves 403. The net bag 40 is connected by the fixing hooks 303 and the hook grooves 403, and the net bag 40 is easy to install and disassemble, and the replacement of the net bag 40 is convenient.

[0037] See also Figure 3 to Figure 4 In one embodiment, an elastic ring 401 is provided at the opening edge of the net bag 40, and the elastic ring 401 can be clamped in multiple sets of fixing hooks 303. Further, multiple sets of levers 402 are provided at intervals along the circumference of the elastic ring 401, and the multiple sets of levers 402 extend toward the axis of the mounting head 101.

[0038] In the above embodiment, an elastic ring 401 is provided so that when the multiple groups of clamping rods 30 are closed, the elastic ring 401 contracts to shrink the opening of the net bag 40, and the multiple groups of gear rods 402 on the elastic ring 401 close to cover the opening of the net bag 40, thereby preventing foreign objects in the net bag 40 from falling out of the net bag 40 when the device is withdrawn.

[0039] The specific implementation of the above-mentioned bladder foreign body removal forceps is as follows:

[0040] When removing foreign objects, the multiple groups of clamping rods 30 are inserted into the bladder from the urethra, and then the fingers are inserted into the finger ring 507 and closed to press one end of the first clamp handle 504 and the second clamp handle 505 to move the limit seat 501 close to the fixed seat 503. The limit seat 501 moves close to the fixed seat 503 to squeeze the spring 502 and make the guide wire 506 drive the guide seat 20 to move away from the fixed seat 503. The guide seat 20 moves away from the fixed seat 503, and the multiple groups of clamping rods 30 can be driven to open and rotate through the cooperation of the shifting rod 201 and the shifting groove 301. The opening of the multiple groups of clamping rods 30 can open the opening of the net bag 40. At this time, the elastic ring 401 is stretched open by tension, and the multiple groups of gear rods 402 are relatively far away from each other to cancel the blocking of the opening of the net bag 40.

[0041] After the net bag 40 is opened, the net bag 40 is placed on the foreign object, and then the force applied to the first clamp handle 504 and the second clamp handle 505 is cancelled. The reaction force of the spring 502 causes the limit seat 501 to move away from the fixed seat 503. The movement of the limit seat 501 away from the fixed seat 503 can drive the guide seat 20 to move in the opposite direction through the guide wire 506. The reverse movement of the guide seat 20 can close the multiple groups of clamping rods 30. The closing of the multiple groups of clamping rods 30 cancels the pulling force on the elastic ring 401. At this time, the elastic ring 401 contracts to close the opening of the net bag 40 to wrap the foreign object, and close the multiple groups of gear rods 402 to cover the opening of the net bag 40, thereby preventing the foreign object in the net bag 40 from falling out. By setting the net bag 40 to wrap the foreign object, it is convenient to take out larger foreign objects at one time, thereby reducing the patient's discomfort and improving the efficiency of removing bladder foreign objects. At the same time, the net bag 40 can cut larger soft foreign objects, thereby facilitating the subsequent self-discharge of soft foreign objects and improving the practicality of the device.

[0042] By placing foreign matter between the multiple sets of crushing rods 302, when the multiple sets of clamping rods 30 are closed, the multiple sets of clamping rods 30 drive the multiple sets of crushing rods 302 to close. At this time, the multiple sets of crushing teeth 3021 on the multiple sets of crushing rods 302 can clamp and crush the foreign matter, thereby facilitating the crushing of the foreign matter and allowing the foreign matter to be discharged by itself.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A bladder foreign body removal forceps, characterized in that: include: A conduit (10) is provided with a mounting head (101) at one end, and a guide hole (102) is provided at the end of the mounting head (101) away from the conduit (10); The clamping mechanism comprises a guide seat (20), a clamping rod (30) and a net bag (40), wherein the guide seat (20) is slidably arranged in the guide hole (102), a plurality of groups of the clamping rods (30) are rotatably connected to the peripheral side of the mounting head (101) at intervals, one end of each of the plurality of groups of the clamping rods (30) is provided with a shifting groove (301), a plurality of groups of shifting rods (201) are arranged on the guide seat (20) corresponding to the plurality of groups of the shifting grooves (301), the plurality of groups of the shifting rods (201) are slidably arranged in the plurality of groups of the shifting grooves (301), the net bag (40) is located between the plurality of groups of the clamping rods (30), and the peripheral side of the opening of the net bag (40) is respectively connected to the other end of the plurality of groups of the clamping rods (30); and A driving assembly (50) is arranged at the other end of the catheter (10) and is connected to the guide seat (20). The driving assembly (50) can drive the guide seat (20) to slide so as to open or close the multiple groups of clamping rods (30).

2. The bladder foreign body removal forceps according to claim 1, characterized in that: The driving assembly (50) comprises a first clamp handle (504), a second clamp handle (505) and a spring (502); the first clamp handle (504) and the second clamp handle (505) are cross-hinged, one end of the first clamp handle (504) is provided with a fixed seat (503), the fixed seat (503) is connected to the catheter (10), the end of the second clamp handle (505) close to the fixed seat (503) is provided with a limiting seat (501), the limiting seat (501) is provided with a guide wire (506), the guide wire (506) can be slidably inserted into the catheter (10), and the free end of the guide wire (506) is connected to the guide seat (20), the spring (502) is sleeved on the guide wire (506), and the two ends of the spring (502) respectively abut against the fixed seat (503) and the limiting seat (501).

3. The bladder foreign body removal forceps according to claim 2, characterized in that: The end of the first clamp handle (504) away from the fixing seat (503) and the end of the second clamp handle (505) away from the limiting seat (501) are both provided with finger rings (507).

4. The bladder foreign body removal forceps according to claim 1, characterized in that: The ends of the multiple groups of clamping rods (30) away from the mounting head (101) are all provided with crushing rods (302), and the side walls of the multiple groups of crushing rods (302) facing the axis of the mounting head (101) are all provided with multiple groups of crushing teeth (3021) at intervals.

5. The bladder foreign body removal forceps according to claim 1, characterized in that: The ends of the plurality of clamping rods (30) away from the mounting head (101) are all provided with fixing hooks (303), and the opening side of the net bag (40) is provided with a plurality of hook grooves (403) corresponding to the plurality of fixing hooks (303), and the plurality of fixing hooks (303) can be hooked in the plurality of hook grooves (403).

6. The bladder foreign body removal forceps according to claim 5, characterized in that: An elastic ring (401) is provided at the opening edge of the net bag (40), and the elastic ring (401) can be clamped in multiple groups of the fixing hooks (303).

7. The bladder foreign body removal forceps according to claim 6, characterized in that: A plurality of groups of gear rods (402) are arranged on the elastic ring (401) at intervals along the circumference of the elastic ring (401), and the plurality of groups of gear rods (402) extend toward the axis of the mounting head (101).

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