CN115349915A

CN115349915A - A rubble trapping apparatus for urinary system calculus rubble calculus extraction

Info

Publication number: CN115349915A
Application number: CN202211276158.2A
Authority: CN
Inventors: 蔡大伟; 孔广起
Original assignee: Beijing Luhe Hospital
Current assignee: Beijing Luhe Hospital
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2022-11-18
Anticipated expiration: 2042-10-19
Also published as: CN115349915B

Abstract

The invention belongs to the field of medical instruments, and relates to a broken stone capturing device for urinary system stone breaking and calculus removing, which comprises a base, a capturing mechanism, a filtering mechanism and a driving system, wherein a flushing agent box and a disinfecting mechanism are fixed on the base; the device comprises a base plate, a catching mechanism, a filtering mechanism, a disinfecting mechanism, a filtering mechanism, a driving system, a filtering mechanism, a disinfecting mechanism and a catching mechanism, wherein the catching mechanism is provided with a first positioning assembly and a second positioning assembly used for changing the size of a catching range, the driving system is arranged on the base plate, the filtering mechanism is arranged beside the driving system, the disinfecting mechanism is in transmission connection with the filtering mechanism, and the filtering mechanism and the catching mechanism are in transmission connection with the driving system. The invention realizes the capture of fine broken stone particles, can also adjust the range of the flushing agent applied to the ureter, and has higher flexibility.

Description

A rubble trapping apparatus for urinary system calculus rubble calculus lithotripsy

Technical Field

The invention relates to the field of medical instruments, in particular to a calculus capturing device for urinary calculus lithotripsy.

Background

After the calculus breaking treatment is carried out on the urinary system calculus patients, a lot of fine calculus particles in the body are inconvenient to take out and are easy to adhere to the surfaces of urinary system tissues, small calyces of the kidney, twisted or narrowed parts of ureters, polyps of ureters and other positions, so that the small calculus particles are not beneficial to being thoroughly discharged, a new calculus forming core is formed again, the recurrence of calculus is induced, the discomfort of the patients is caused, and the quick recovery of the patients is not beneficial.

The prior art discloses a lithotripsy capturing device for urinary calculus lithotripsy, comprising a base, a capturing mechanism, a filtering mechanism and a disinfecting mechanism, wherein the capturing mechanism is used for capturing fine stone particles; the filtering mechanism is used for filtering the tiny calculus particles captured by the capturing mechanism, and the capturing mechanism is in transmission connection with the filtering mechanism; the disinfection mechanism is in transmission connection with the filtering mechanism; the base is fixed with a flushing agent box, the catching mechanism conveys flushing agents in the flushing agent box into a patient body, small stone particles are taken out by water flow, and the filtering mechanism drives the disinfecting mechanism to disinfect the discharged flushing agents.

However, the above scheme still has the following defects: 1. the compression of the spring is realized by adopting the water pressure when the flushing agent is conveyed, but the compression is extremely unstable, and once the water pressure is reduced, the spring can utilize the self elasticity to enable the cap head to retract; 2. the flushing agent can only be sprayed out of the cap head, so that the region flushed by the flushing agent is limited.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the stone collector aims to solve the problem of how to capture and collect small stones.

The invention provides a broken stone capturing device for urinary system calculus breaking and calculus removing, which comprises a base, wherein a flushing agent box and a disinfecting mechanism are fixed on the base, flushing agent is arranged in the flushing agent box, and the broken stone capturing device also comprises a capturing mechanism for capturing fine calculus particles, a filtering mechanism for filtering the captured fine calculus particles and a driving system; the capturing mechanism is provided with a first positioning component and a second positioning component which are used for changing the size of a capturing range; the driving system is arranged on the bottom plate, the filtering mechanism is located beside the driving system, the disinfecting mechanism is in transmission connection with the filtering mechanism, and the filtering mechanism and the capturing mechanism are both in transmission connection with the driving system.

In some embodiments, the catching mechanism comprises a conduit and a cap head for closing the head end of the conduit, the tail end of the conduit is connected with a liquid inlet pipe communicated with the flushing agent tank and a liquid outlet pipe communicated with the filtering mechanism, the conduit is internally provided with an internal pipe communicated with the liquid inlet pipe and a fixing support for positioning and fixing the internal pipe, the outer wall of the head end of the internal pipe is provided with a blocking ring, the cap head is hemispherical, the center of the inner spherical surface of the cap head is provided with a sliding cylinder, the sliding cylinder is provided with m spray hole groups at equal intervals along the axial direction of the sliding cylinder, wherein m is more than or equal to 2 and less than or equal to 40, m is an integer, the blocking ring is slidably arranged in the sliding cylinder, the first positioning component is arranged on the conduit, and the second positioning component is arranged on the cap head. In some embodiments, the first positioning assembly comprises a first air pump and a first vent pipe, the head of the first vent pipe is provided with a first positioning air bag communicated with the first vent pipe, the first vent pipe and the first positioning air bag are both arranged on the catheter, and the tail end of the first vent pipe is communicated with the first air pump.

In some embodiments, the outer wall of the head end of the catheter is provided with an inner groove for accommodating the first positioning balloon.

In some embodiments, the inner groove is rectangular in cross-section.

In some embodiments, the cross section of the inner groove is a right trapezoid, and a trumpet-shaped liquid inlet is formed in the conduit.

In some embodiments, the second positioning assembly includes a second air pump and a second air pipe, a second positioning air bag communicated with the second air pipe is arranged at the head end of the second air pipe, a closing plate for fixing the head end of the second air pipe is arranged at the head end of the sliding cylinder, a sliding seat in sliding sealing fit with the second air pipe is arranged on the outer wall of the liquid inlet pipe, the second air pipe is arranged in the liquid inlet pipe, the built-in pipe and the sliding cylinder, the tail end of the second air pipe penetrates through the sliding seat and then is communicated with the second air pump, and the second positioning air bag is located outside the cap head.

In some embodiments, the second vent pipe is provided with a limiting plate connected with the second vent pipe, and the back of the limiting plate is abutted against the front part of the closing plate.

In some embodiments, the tail end of the cap head is provided with a sealing plug-in ring which is in plug-in fit with the head end of the conduit.

In some embodiments, the driving system comprises a driving box, a variable speed motor, a first pump wheel and a second pump wheel, wherein the top of the driving box is rotatably provided with a first rotating shaft, the top of the first rotating shaft is provided with a first gear, the bottom of the first rotating shaft is provided with a first bevel gear, the output end of the variable speed motor is provided with a second bevel gear, the bottoms of the first pump wheel and the second pump wheel are respectively provided with a second rotating shaft coaxial with the first rotating shaft and the second rotating shaft, the second rotating shaft is provided with a second gear, the side wall of the first pump wheel is provided with a first connecting pipe communicated with the first pump wheel, the side wall of the second pump wheel is provided with a second connecting pipe communicated with the second pump wheel, the driving box is arranged on a base, the variable speed motor is vertically arranged in the driving box, the first bevel gear is meshed with the second bevel gear, the first pump wheel and the second pump wheel are both rotatably arranged at the top of the driving box through the second rotating shaft, the first pump wheel and the second pump wheel are symmetrically arranged at both sides of the first rotating shaft, the second gear are both meshed with the first gear, the first pump wheel is communicated with a liquid inlet pipe, the first connecting pipe and the second connecting pipe are communicated with a filtering mechanism; the first pump wheel and the second pump wheel are driven by the variable speed motor to generate power so as to convey the flushing agent in the flushing agent box into the liquid inlet pipe and recover and convey the flushed flushing agent and fine stone particles.

In some embodiments, the filter mechanism comprises a third rotating shaft, a filter box, a collection box, a linkage rod, a push rod, a mounting bracket, an air cylinder and an air outlet head, wherein the third rotating shaft and the rotating rod are respectively arranged at two ends of the third rotating shaft, a hinged shaft is arranged on the rotating rod, an arc-shaped filter screen is arranged in the filter box, two symmetrically arranged discharge pipes are arranged at the bottom of the filter box, a hinged seat is arranged at the tail end of the push rod, a push plug is arranged at the head end of the push rod, the head of the air cylinder is provided with an air outlet and a third connecting pipe communicated with the air outlet of the air cylinder, an air outlet one-way valve is arranged in the air outlet, an air inlet one-way valve is arranged on the side wall of the air cylinder close to the head, the third rotating shaft of the rotating shaft is arranged on the side wall of the drive box, the third umbrella tooth is meshed with the second umbrella tooth, the filter box and the mounting bracket are both arranged on a base, the collection box is detachably connected to the two discharge pipes, two ends of the linkage rod are respectively hinged with the hinged shaft and the seat, the air cylinder is arranged on the connecting pipe, the mounting bracket, the push rod is arranged in the air cylinder and is arranged on the air outlet head and communicated with the connecting pipe of the filter box; the bottom of the arc-shaped filter pipe is cleaned in an air injection mode, blockage is avoided, and the speed of flushing liquid entering the disinfection mechanism can be accelerated by sprayed gas.

The invention has the beneficial effects that:

firstly, the broken stone capturing device for urinary system calculus breaking and calculus removing comprises a first positioning component and a second positioning component, wherein the first positioning component and the second positioning component change the range size of a capturing mechanism for capturing fine broken stone particles, and then the driving system works to drive the capturing mechanism to capture the fine broken stone particles and drive a filtering mechanism to filter the fine broken stone particles.

Secondly, compared with the prior art, the broken stone capturing device for urinary system calculus breaking and calculus removing is adjustable in size of a gap after the cap head and the catheter are separated, namely the area flushed to the inner wall of the ureter is adjustable, the cap head and the catheter can be stably positioned and fixed after being separated, and the situation of accidental retraction cannot occur.

Thirdly, compared with the prior art, the broken stone capturing device for urinary system stone breaking and calculus removing simplifies the driving system, simplifies the structure of the driving system and is convenient to maintain.

Fourthly, the broken stone capturing device for urinary system calculus breaking and calculus removing adopts the arc-shaped filter screen, and then the arc-shaped filter screen can avoid blockage in a mode of spraying air to the bottom of the arc-shaped filter screen at intervals, and the speed of the flushing agent entering the disinfecting mechanism can be increased.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic view of the stone trap of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the catheter and the cap head;

FIG. 4 is a schematic structural view of a filtering mechanism and a disinfecting mechanism;

FIG. 5 is a partial schematic view of a filter mechanism;

fig. 6 is a partial cross-sectional view of a filter mechanism.

Reference numerals: 1. a base; 2. a flushing agent tank; 3. a sterilizing mechanism; 4. a capturing mechanism; 41. a conduit; 411. a build-in tube; 412. fixing a bracket; 413. a plugging ring; 414. an inner groove; 415. a liquid inlet; 42. a cap head; 421. a slide cylinder; 422. a group of spray holes; 423. a closing plate; 424. a sealing plug-in ring; 43. a liquid inlet pipe; 431. a slide base; 44. a liquid outlet pipe; 450. a first air pump; 45. a first vent pipe; 451. positioning a first air bag; 460. a second air pump; 46. a second vent pipe; 461. a second positioning air bag; 462. a limiting plate; 5. a filtering mechanism; 51. a third rotating shaft; 511. a third bevel gear; 512. a rotating rod; 513. hinging a shaft; 52. a filter box; 521. an arc-shaped filter screen; 522. a discharge pipe; 523. a fourth connecting pipe; 53. a collection box; 54. a linkage rod; 55. a push rod; 551. a hinged seat; 552. pushing a plug; 56. mounting a bracket; 57. an air cylinder; 571. an air outlet; 572. a third connecting pipe; 573. an air outlet one-way valve; 574. an air inlet; 575. an air inlet check valve; 58. an air outlet head; 6. a drive system; 61. a drive box; 611. a first rotating shaft; 612. a first gear; 613. a first bevel gear; 62. a variable speed motor; 621. a second bevel gear; 63. a first pump wheel; 631. a second rotating shaft; 632. a second gear; 633. a first connecting pipe; 64. a pump impeller II; 641. and a second connecting pipe.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

In the present embodiment, as shown in fig. 1 to 6, a lithotripsy capturing device for urinary calculus lithotripsy includes a base 1, a washing agent tank 2 and a disinfecting mechanism 3 are fixed on the base 1, a washing agent is provided in the washing agent tank 2, a capturing mechanism 4 for capturing fine stone particles, a filtering mechanism 5 for filtering the captured fine stone particles, and a driving system 6; the catching mechanism 4 is provided with a first positioning component and a second positioning component for changing the size of a catching range; the driving system 6 is arranged on the bottom plate, the filtering mechanism 5 is positioned beside the driving system 6, the disinfecting mechanism 3 is in transmission connection with the filtering mechanism 5, and the filtering mechanism 5 is the same as the disinfecting mechanism 3 in the calculus capturing device for urinary system calculus lithotripsy disclosed in the publication No. CN113974771B, so the principle is not repeated.

The catching mechanism 4 is a main body for catching fine gravel particles, the catching mechanism 4 comprises a conduit 41 and a cap head 42 for closing the head end of the conduit 41, the tail end of the conduit 41 is connected with a liquid inlet pipe 43 communicated with the flushing agent box 2 and a liquid outlet pipe 44 communicated with the filtering mechanism 5, the conduit 41 is internally provided with an internal pipe 411 communicated with the liquid inlet pipe 43 and a fixing support 412 for positioning and fixing the internal pipe 411, the outer wall of the head end of the internal pipe 411 is provided with a blocking ring 413, the cap head 42 is hemispherical, the center of the inner spherical surface of the cap head 42 is provided with a sliding cylinder 421, the sliding cylinder 421 is provided with m spray hole groups 422 at equal intervals along the axial direction, wherein, m is not less than 2 and not more than 40, m is an integer, the blocking ring 413 is arranged in the sliding cylinder 421 in a sliding manner, in order to improve the sealing performance when the conduit 41 and the cap head 42 are connected together, therefore, the tail end of the cap head 42 is also provided with a sealing inserting ring 424 matched with the head end of the conduit 41 in an inserting manner, a first positioning component is arranged on the conduit 41, and a second positioning component is arranged on the cap head 42;

the first positioning component and the second positioning component are main bodies for changing the size of a capturing range of the capturing mechanism 4, the first positioning component comprises a catheter 41 and a cap head 42 which can be gradually separated, the size of a separated gap determines the area of an irrigant for washing the inner wall of a ureter, the first positioning component comprises a first air pump 450 and a first vent pipe 45, the head of the first vent pipe 45 is provided with a first positioning air bag 451 communicated with the first positioning air bag, in order to avoid conveying obstruction of the first positioning air bag 451 when the catheter 41 is conveyed into a ureter, the outer wall of the head end of the catheter 41 is provided with an inner groove 414 for accommodating the first positioning air bag 451, the first positioning air bag 451 is hidden on the catheter 41, the first vent pipe 45 and the first positioning air bag 451 are both arranged on the catheter 41, and the tail end of the first vent pipe 45 is communicated with the first air pump 450; the second positioning assembly comprises a second air pump 460 and a second air pipe 46, a second positioning air bag 461 communicated with the second air pipe 46 is arranged at the head end of the second air pipe 46, a closing plate 423 used for fixing the head end of the second air pipe 46 is arranged at the head end of the sliding cylinder 421, a sliding seat 431 in sliding sealing fit with the second air pipe 46 is arranged on the outer wall of the liquid inlet pipe 43, the second air pipe 46 is arranged in the liquid inlet pipe 43, the built-in pipe 411 and the sliding cylinder 421, the tail end of the second air pipe 46 is communicated with the second air pump 460 after penetrating through the sliding seat 431, and the second positioning air bag 461 is located outside the cap head 42.

When in use, the cap head 42 penetrates through the sliding seat and is conveyed into the ureter, then the second positioning air bag 461 is inflated through the second air pump 460, and the second positioning air bag 461 can be supported on the inner wall of the ureter after being expanded, so that the cap head 42 is positioned and fixed; then, the positioning air bag is moved along with the air pipe I45 by pulling, the positioning air bag drives the catheter 41 and the inner catheter 411 to move, after the blocking ring 413 on the inner catheter 411 moves, the blocking ring 413 can only seal the spray hole group 422 between the tail end of the sliding cylinder 421 and the head end of the inner catheter 411 and cannot seal the spray hole group 422 between the head end of the inner catheter 411 and the sealing plate 423 of the sliding cylinder 421, a gap is formed between the catheter 41 and the cap head 42, the size of the gap is the area of the region where the flushing agent acts on the inner wall of the ureter, after the area of the region where the flushing agent acts on the inner wall of the ureter is determined, the positioning air bag I451 is inflated by using the air pump I450 to expand, and the positioning air bag I451 is supported on the inner wall of the ureter after being expanded, so that the catheter 41 is positioned and fixed.

Preferably, the cross-section of the inner groove 414 is rectangular, since the cross-sectional shape of the inner groove 414 determines the shape of the positioning balloon 451, but this may hinder the flushing agent entering the conduit 41, and it is therefore also possible to provide the cross-section of the inner groove 414 as a right-angled trapezoid, so that a trumpet-shaped liquid inlet 415 is formed in the conduit 41, which trumpet-shaped liquid inlet has the function of collecting the flushing agent and guiding the flushing agent into the conduit 41.

After the guide pipe 41 and the cap head 42 are positioned and fixed, the driving system 6 starts to work and cooperate with the capturing mechanism 4 to capture fine gravel particles, the driving system 6 comprises a driving box 61, a variable speed motor 62, a first pump wheel 63 and a second pump wheel 64, the top of the driving box 61 is rotatably provided with a first rotating shaft 611, the top of the first rotating shaft 611 is provided with a first gear 612, the bottom of the first rotating shaft 611 is provided with a first bevel gear 613, the output end of the variable speed motor 62 is provided with a second bevel gear 621, the bottoms of the first pump wheel 63 and the second pump wheel 64 are respectively provided with a second rotating shaft 631 coaxial with the first rotating shaft, the second rotating shaft 631 is provided with a second gear 632, the side wall of the first pump wheel 63 is provided with a first connecting pipe 633 communicated with the first pump wheel, the side wall of the second pump wheel 64 is provided with a second connecting pipe 641 communicated with the second pump wheel 64, the driving box 61 is arranged on the base 1, the variable speed motor 62 is vertically arranged in the driving box 61, the first bevel gear 613 is engaged with the second bevel gear 621, the first pump wheel 63 and the second pump wheel 64 are symmetrically arranged on the top of the driving box 61, the two sides of the first connecting pipe 641, the first pump wheel 43 is communicated with the second connecting pipe of the first pump wheel 42, the first connecting pipe 43, the first pump wheel 42, the second connecting pipe 43, the first pump wheel 42 is communicated with the second connecting pipe 43, the first pump wheel 42, the second connecting pipe 43, the first pump wheel 42, the first connecting pipe 43, the second pump wheel 42 is communicated with the second connecting pipe 43, the second pump wheel 44, and the second connecting pipe 42; the variable-speed motor 62 is used as a driving force, the variable-speed motor 62 can change the rotating speed by changing voltage, compared with the prior art, the variable-speed motor 62 is simple in structure and convenient to maintain, the variable-speed motor 62 can drive the second bevel gear 621 to rotate, the second bevel gear 621 drives the first bevel gear 613 to rotate, the first bevel gear 613 drives the first rotating shaft 611 and the first gear 612 to synchronously rotate, the first gear 612 drives the second gear 632 and the second rotating shaft 631 to rotate, the second rotating shaft 631 can drive the first pump wheel 63 and the second pump wheel 64 to generate power, the first pump wheel 63 can convey the flushing agent in the flushing agent box 2 to the liquid inlet pipe 43 and then sequentially enter the built-in pipe 411 and the sliding barrel 421, the flushing agent can be sprayed out from the spray hole group 422 after reaching the position between the blocking ring 413 and the sealing plate 423 under continuous extrusion force, the sprayed flushing agent can be directly flushed onto the inner wall of the ureter, fine gravel particles can be flushed and separated from the inner wall of the ureter, meanwhile, the suction force generated by the second pump wheel 64 is transmitted into the liquid outlet pipe 41, and then enters the flushing agent into the liquid outlet pipe 41 together with the fine flushing force, and then enters the liquid outlet pipe 41.

Then the flushing agent and the fine crushed stone particles can enter a filtering mechanism 5 to filter and separate the fine crushed stone particles, the filtering mechanism 5 comprises a rotating shaft three 51, a filtering box 52, a collecting box 53, a linkage rod 54, a push rod 55, a mounting bracket 56, an air cylinder 57 and an air outlet head 58, two ends of the rotating shaft three 51 are respectively provided with a bevel gear three 511 and a rotating rod 512, the rotating rod 512 is provided with a hinge shaft 513, the filtering box 52 is internally provided with an arc-shaped filtering net 521, the bottom of the filtering box 52 is provided with two symmetrically arranged discharging pipes 522, the tail end of the push rod 55 is provided with a hinge seat 551, the head end of the push rod 55 is provided with a push plug 552, the head of the air cylinder 57 is provided with an air outlet 571 and a connecting pipe three 572 communicated with the air outlet 571 thereof, the air outlet 571 is internally provided with an air outlet one-way valve 573, the side wall of the air cylinder 57 close to the head is provided with an air inlet 574, an air inlet check valve 575 is arranged in the air inlet 574, a rotating shaft III 51 is arranged on the side wall of the driving box 61 in a rotating manner, an umbrella tooth III 511 is meshed with an umbrella tooth II 621, the filter box 52 and the mounting bracket 56 are both arranged on the base 1, the collecting box 53 is detachably connected on two discharging pipes 522, two ends of the linkage rod 54 are respectively hinged with a hinged shaft 513 and a hinged seat 551, the air cylinder 57 is arranged on the mounting bracket 56, the push rod 55 is arranged in the air cylinder 57, the push plug 552 is in sliding sealing fit with the inner wall of the air cylinder 57, the air outlet head 58 is arranged on the inner bottom wall of the filter box 52, the air outlet head 58 faces the bottom of the arc-shaped filter screen 521, the connecting pipe III 572 is communicated with the air outlet head 58, and the side wall of the filter box 52 is also provided with a connecting pipe IV 523 communicated with the sterilizing mechanism 3; the second umbrella teeth 621 can drive the third umbrella teeth 511 to rotate while rotating, the third umbrella teeth 511 drive the third rotating shaft 51 to rotate synchronously, the rotating rod 512 rotates around the axis of the third rotating shaft 51, the hinge column on the rotating rod 512 drives one end of the linkage rod 54 to move synchronously, the other end of the linkage rod 54 drives the hinge seat 551 to move, the hinge seat 551 drives the push rod 55 to perform reciprocating push-and-pull actions in the air cylinder 57, during pushing, the push plug 552 can push gas in the air cylinder 57 out from the gas outlet 571, the gas outlet 571 conveys the gas to the gas outlet 58, the gas outlet 58 sprays the gas out and acts on the bottom of the arc-shaped filter pipe 521, the gas can wash the bottom of the arc-shaped filter net 521 to avoid blocking, fine particles can slide to the discharge pipe 522 along the arc-shaped filter net, the sprayed gas can also accelerate the speed of flushing liquid entering the disinfection mechanism 3, during pulling of the air cylinder, the push plug 552 can pump external gas into the air 57 through the gas inlet 574, and thus the gas outlet 58 can perform reciprocating intermittent air spraying operation.

After the capturing operation is completed, the air pump second 460 of the second positioning assembly contracts the positioning air bag second 461, so that the positioning fixation of the cap head 42 is released, then the air pipe second 46 is used for pulling the cap head 42 towards the head end of the conduit 41, in order to avoid that the air pipe second 46 deviates on the closing plate 423 during pulling to cause the positioning air bag second 461 and the closing plate 423 to approach each other and finally cause the positioning air bag second 461 to be clamped on the closing plate, a limiting plate 462 connected with the air pipe second 46 is further arranged on the air pipe second 46, the back part of the limiting plate 462 is in contact with the front part of the closing plate 423, the position of the positioning air bag second 461 is limited by the limiting plate 462 so as to avoid the accidental deviation, then after the cap head 42 is combined with the conduit 41, the air pump first 450 of the first positioning assembly contracts the positioning air bag first 451, so that the positioning fixation of the conduit 41 is released, and then the conduit 41 and the cap head 42 can be taken out from the urine conveying pipe.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A broken stone capturing device for urinary calculus breaking and calculus removing comprises a base (1), wherein a flushing agent box (2) and a disinfecting mechanism (3) are fixed on the base (1), and flushing agents are arranged in the flushing agent box (2), and the broken stone capturing device is characterized by further comprising a capturing mechanism (4) for capturing fine stone particles, a filtering mechanism (5) for filtering the captured fine stone particles and a driving system (6);

the capturing mechanism (4) is provided with a first positioning component and a second positioning component which are used for changing the size of a capturing range;

the driving system (6) is arranged on the bottom plate, the filtering mechanism (5) is located on the side of the driving system (6), the disinfecting mechanism (3) is in transmission connection with the filtering mechanism (5), and the filtering mechanism (5) and the capturing mechanism (4) are in transmission connection with the driving system (6).

2. The lithotripsy capture device for urinary calculus lithotripsy of claim 1, wherein: the catching mechanism (4) comprises a guide pipe (41) and a cap head (42) used for sealing the head end of the guide pipe (41), the tail end of the guide pipe (41) is connected with a liquid inlet pipe (43) communicated with the flushing agent box (2) and a liquid outlet pipe (44) communicated with the filtering mechanism (5), a built-in pipe (411) communicated with the liquid inlet pipe (43) and a fixing support (412) used for positioning and fixing the built-in pipe (411) are arranged in the guide pipe (41), a blocking ring (413) is arranged on the outer wall of the head end of the built-in pipe (411), the cap head (42) is hemispherical, a sliding cylinder (421) is arranged in the center of the inner spherical surface of the cap head (42), m spray hole groups (422) are arranged on the sliding cylinder (421) at equal intervals along the axial direction of the sliding cylinder (421), wherein m is not less than 2 and not more than 40, m is an integer, the blocking ring (413) is arranged in the sliding manner in the sliding cylinder (421), the first positioning group is arranged on the guide pipe (41), and the second positioning group is arranged on the cap head (42).

3. The lithotripsy device for urinary calculus lithotripsy of claim 2, wherein: the first positioning assembly comprises a first air pump (450) and a first vent pipe (45), a first positioning air bag (451) communicated with the first vent pipe (45) is arranged at the head of the first vent pipe (45), the first vent pipe (45) and the first positioning air bag (451) are both arranged on the guide pipe (41), and the tail end of the first vent pipe (45) is communicated with the first air pump (450).

4. The lithotripsy capture device for urinary calculus lithotripsy of claim 3, wherein: an inner groove (414) used for accommodating the first positioning air bag (451) is formed in the outer wall of the head end of the catheter (41).

5. The lithotripsy capture device for urinary calculus lithotripsy of claim 4, wherein: the cross section of the inner groove (414) is rectangular.

6. The lithotripsy capture device for urinary calculus lithotripsy of claim 4, wherein: the cross section of the inner groove (414) is in a right trapezoid shape, and a trumpet-shaped liquid inlet (415) is formed in the conduit (41).

7. The lithotripsy capture device for urinary calculus lithotripsy of claim 2, wherein: the second locating component comprises an air pump II (460) and a vent pipe II (46), the head end of the vent pipe II (46) is provided with a locating air bag II (461) communicated with the air pump II, the head end of the sliding barrel (421) is provided with a closing plate (423) used for fixing the head end of the vent pipe II (46), the outer wall of the liquid inlet pipe (43) is provided with a sliding seat (431) matched with the sliding seal of the vent pipe II (46), the vent pipe II (46) is arranged in the liquid inlet pipe (43), the built-in pipe (411) and the sliding barrel (421), the tail end of the vent pipe II (46) is communicated with the air pump II (460) after passing through the sliding seat (431), and the locating air bag II (461) is located outside the cap head (42).

8. The lithotripsy capture device for urinary calculus lithotripsy of claim 7, wherein: and a limiting plate (462) connected with the vent pipe II (46) into a whole is arranged on the vent pipe II, and the back of the limiting plate (462) is abutted against the front part of the closing plate (423).

9. The lithotripsy capture device for urinary calculus lithotripsy according to claim 2, 3 or 7, wherein: the tail end of the cap head (42) is provided with a sealing insertion ring (424) which is in insertion fit with the head end of the conduit (41).

10. The lithotripsy capture device for urinary calculus lithotripsy of claim 1, wherein: the driving system (6) comprises a driving box (61), a variable speed motor (62), a first pump wheel (63) and a second pump wheel (64), wherein the top of the driving box (61) is rotatably provided with a first rotating shaft (611), the top of the first rotating shaft (611) is provided with a first gear (612), the bottom of the first rotating shaft (611) is provided with a first bevel gear (613), the output end of the variable speed motor (62) is provided with a second bevel gear (621), the bottoms of the first pump wheel (63) and the second pump wheel (64) are both provided with a second rotating shaft (631) coaxial with the first rotating shaft, the second rotating shaft (631) is arranged on the second rotating shaft (631), the first connecting pipe (633) communicated with the first pump wheel (63) is arranged on the side wall of the first pump wheel (63), the second connecting pipe (641) communicated with the second pump wheel (64) is arranged on the side wall of the second pump wheel (64), the driving box (61) is arranged on the base (1), the variable speed motor (62) is vertically arranged in the driving box (61), the first bevel gear (613) is engaged with the second bevel gear (63), the first rotating shaft (611) and the first rotating shaft (63) and the second pump wheel (611) are symmetrically arranged on two sides of the first rotating shaft (61), the pump wheel I (63) is communicated with the liquid inlet pipe (43), the connecting pipe I (633) is communicated with the flushing agent box (2), the pump wheel II (64) is communicated with the liquid outlet pipe (44), and the connecting pipe II (641) is communicated with the filtering mechanism (5).

11. The lithotripsy capture device for urinary calculus lithotripsy of claim 10, wherein: the filtering mechanism (5) comprises a third rotating shaft (51), a filtering box (52), a collecting box (53), a linkage rod (54), a push rod (55), an installing support (56), an air cylinder (57) and an air outlet head (58), wherein the third umbrella tooth (511) and the rotary rod (512) are respectively arranged at two ends of the third rotating shaft (51), a hinge shaft (513) is arranged on the rotary rod (512), an arc-shaped filtering net (521) is arranged in the filtering box (52), two symmetrically arranged discharging pipes (522) are arranged at the bottom of the filtering box (52), a hinge seat (551) is arranged at the tail end of the push rod (55), a push plug (552) is arranged at the head end of the push rod (55), an air outlet (571) and a connecting pipe third (572) communicated with the air outlet (571) are arranged at the head of the air cylinder (57), an air outlet one-way valve (573) is arranged in the air cylinder (57), an air inlet (575) is arranged on the side wall of the head of the air cylinder (57), the third rotating shaft (51) is rotatably arranged on the side wall of the driving box (61), the umbrella tooth (574) and the umbrella tooth (511) and the installing support (511) and the second umbrella tooth (511) and the installing support (58) are both meshed with the umbrella tooth (51), the collecting box (53) is detachably connected to two discharging pipes (522), two ends of the linkage rod (54) are hinged to a hinged shaft (513) and a hinged seat (551) respectively, the air cylinder (57) is arranged on the mounting support (56), the push rod (55) is arranged in the air cylinder (57), the push plug (552) is in sliding sealing fit with the inner wall of the air cylinder (57), the air outlet head (58) is arranged on the inner bottom wall of the filter box (52), the air outlet head (58) faces the bottom of the arc-shaped filter screen (521), the connecting pipe III (572) is communicated with the air outlet head (58), and the connecting pipe IV (523) communicated with the disinfection mechanism (3) is further arranged on the side wall of the filter box (52).