CN219480244U - Controllable negative pressure puncture sheath capable of sucking water and stone while crushing - Google Patents

Abstract

The utility model discloses a controllable negative pressure puncture sheath capable of sucking water and stones while smashing, wherein the bottom end of a puncture sheath handle part is fixedly connected with a puncture sheath pipe part, the puncture sheath handle part is provided with a closed hollow cavity, one side of the puncture sheath handle part is provided with an inclined upward opening suction cavity, the lower part of the suction cavity, which is close to the hollow cavity, is provided with a vertical stone collecting bottle which is vertically downward, one side of the suction cavity is provided with a switch opening, a stone blocking net is arranged in the suction cavity where the switch opening is positioned, the outer wall of the suction cavity is provided with a guide slide rail, and a slide cover is covered and buckled with a slide cover controllable switch. The split structure and the closing-up puncture sheath handle are convenient to split and assemble rapidly, the water and stone split is realized by arranging the stone blocking net, the suction cavity is provided with the sliding cover controllable switch to realize the controllable negative pressure, the stone and the flushing fluid are sucked out while the stone is broken, the stone and the flushing fluid are split to the stone collecting bottle through the blocking net, the flushing fluid is split to the negative pressure device, and the stone collecting bottle is convenient for the stone specimen to be remained and controlled, and is simple and practical and high in cost performance.

Description

Controllable negative pressure puncture sheath capable of sucking water and stone while crushing

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a controllable negative pressure puncture sheath capable of sucking water and stone while crushing.

Background

The puncture technology is to make a small puncture wound on the skin of the affected part of a patient, introduce surgical instruments for operation after the puncture tube placement is completed, has the advantage of small wound, and is widely applied to percutaneous nephroscope operation and percutaneous hepatobiliary scope operation, and is clinical operation such as kidney stones, nephrostomy, intrahepatic bile duct stone treatment and the like. The puncture device is required to be used for puncturing the skin of a patient in the operation, and the puncture sheath is the most main component part of the puncture device and is used for operating the stable, convenient and rapid pipeline in and out of the endoscope.

At present, most of negative pressure puncture sheaths used in clinical operations are integrated, so that the stability is high, but the negative pressure puncture sheaths have some defects, and an operator needs to be familiar with the puncture mode again due to inconvenient detachment of the holding part and the sheath tube. Fixed non-detachable negative pressure attracts the puncture sheath, negative pressure control needs the manual negative pressure regulation mouth of art person in the art, otherwise not with the negative pressure effect, can not smash calculus while suction calculus, need stop rubble and use the manual control negative pressure to adjust the mouth just can suction calculus, the operation does not have the negative pressure for a long time, operation time is long, be inconvenient for doctor's nimble operation, and the puncture sheath does not take the receipts stone bottle, accuse leaves calculus sample and inconvenient, and further, the water stone mixes not shunts, and partial calculus is along with negative pressure suction gets into in the negative pressure pipeline even negative pressure equipment, causes the pipeline jam and leaves the stone troublesome. The broken-side suction stone has only the function of the ultrasonic stone crushing device at present, and the ultrasonic stone crushing device is expensive, so that the stone can be shunted, the negative pressure can be controlled, the stone can be sucked out while being broken, and the novel puncture sheath for controlling and retaining the stone is convenient to solve the problems.

Disclosure of Invention

The utility model aims to provide a controllable negative pressure puncture sheath capable of sucking and separating water and stone at the same time, so as to solve the technical problems that the negative pressure operation is inconvenient, stones cannot be sucked out while the stones are broken, the stones are reserved and controlled, and the negative pressure pipeline is blocked due to the incapability of separating water and stone in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a garrulous limit is inhaled and controllable negative pressure puncture sheath of water stone reposition of redundant personnel, includes puncture sheath portion and puncture sheath pipe portion, the bottom fixedly connected with puncture sheath pipe portion of puncture sheath portion, the inside of puncture sheath pipe portion is provided with puncture inner core, the top of puncture sheath pipe portion is equipped with sheath pipe solid fixed ring, the top of puncture inner core is provided with the inner core solid fixed ring, the lower part of puncture sheath portion is provided with the hollow chamber of binding off, one side of puncture sheath portion is provided with the ascending open-ended suction chamber of slope, the suction chamber is close to the lower part of hollow chamber is equipped with the vertical stone bottle of receiving down, one side of suction chamber is provided with the switch opening, the switch opening is in suction intracavity is equipped with the calculus shutoff net, suction chamber outer wall is equipped with leads the slide rail, it detains to lead the slide rail cover and is equipped with the slider controllable switch.

Preferably, an included angle between the suction cavity and the puncture sheath handle is 60 degrees, a puncture handle length of the puncture sheath handle is 65mm, an inner diameter of the puncture handle is 17mm, and a distance between the vertical stone collecting bottle and the puncture sheath handle is 20mm.

Preferably, the suction cavity is provided with a negative pressure connector, the length of the opening of the switch is 17mm, the width of the opening of the switch is 6mm, the hollow cavity is communicated with the puncture sheath pipe part, the closing-in inner diameter of the hollow cavity is F18 to F26, and the specification of a negative pressure connector sleeved with the negative pressure connector is F30.

Preferably, the diameter of the vertical stone collecting bottle is 2cm, and the depth of the vertical stone collecting bottle is 2cm.

Preferably, the size of the calculus blocking net is consistent with the inner diameter of the suction cavity, and the position of the calculus blocking net is behind the calculus collecting bottle opening.

Compared with the prior art, the utility model has the beneficial effects that: this garrulous limit is inhaled and controllable negative pressure puncture sheath of water stone reposition of redundant personnel simultaneously, be convenient for quick split and equipment through split structure and binding off puncture sheath portion, realize water stone reposition of redundant personnel through setting up the stone shutoff net, it is controllable to attract the controllable switch of chamber setting sliding closure realization negative pressure, whole journey has negative pressure and size is adjustable as required, can stone (ballistic broken stone, laser broken stone) one side suction stone and flushing fluid, this function has experimentally confirmed, the operation time obviously shortens, shunt stone to receiving the stone bottle through the stone shutoff net, the flushing fluid shunts to attracting the bottle, the stone bottle is received in the plumb is convenient for the stone sample to stay accuse, and is simple practical, the sexual valence relative altitude.

Drawings

FIG. 1 is a schematic diagram of a discrete structure of the present utility model;

FIG. 2 is a schematic elevational view of the handle portion of the puncture sheath of the present utility model;

fig. 3 is a schematic overall front view of the present utility model.

In the figure: 1. a puncture sheath handle portion; 2. a puncture sheath portion; 3. puncturing the inner core; 4. an opening rubber sealing cover; 5. a vertical stone collecting bottle; 6. sealing cover; 7. a hollow cavity; 8. a switch opening; 9. a slider controllable switch; 10. a suction chamber; 11. a negative pressure connector; 12. a calculus blocking net; 13. a sheath tube fixing ring; 14. an inner core fixing ring; 15. a guide rail; l, puncture handle length; r, the inner diameter of the puncture handle; r, the inner diameter of the hollow cavity; beta, the included angle of the suction cavity; b. the distance between the sheath and the jacket of the stone collecting bottle.

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.

Referring to fig. 1-3, a controllable negative pressure puncture sheath capable of sucking water and stone in a split mode comprises a puncture sheath handle part 1 and a puncture sheath tube part 2, wherein the puncture sheath tube part 2 is fixedly connected with the bottom end of the puncture sheath handle part 1, a sheath tube fixing ring 13 is arranged at the joint of the puncture sheath tube part 1 and the puncture sheath tube part 2, a puncture inner core 3 is arranged in the puncture sheath tube part 2, an inner core fixing ring 14 is arranged at the top of the puncture inner core 3, a closed hollow cavity 7 is arranged at the lower part of the puncture sheath handle part 1, and a closing structure is arranged, so that the stability of connection installation is ensured while rapid disassembly and assembly are realized, and operation puncture, expansion and tube placement are facilitated. One side of the puncture sheath handle part 1 is provided with an inclined upward opening suction cavity 10, the lower part of the suction cavity 10, which is close to the hollow cavity 7, is provided with a vertical downward stone collecting bottle 5, and the vertical stone collecting bottle 5 is provided with a stone sample which is greatly convenient for a doctor to stay and control. One side of the suction cavity 10 is provided with a switch opening 8, a stone blocking net 12 is arranged in the suction cavity 10 where the switch opening 8 is positioned, the stone blocking net 12 realizes water-stone diversion, and the technical problems of pipeline blockage and stone retention trouble caused by stone entering a negative pressure pipeline or even negative pressure equipment along with negative pressure suction are well solved. The outer wall of the suction cavity 10 is provided with a guide slide rail 15, the guide slide rail 15 is covered and buckled with a sliding cover controllable switch 9, the whole process has negative pressure and the size of the negative pressure is controllable, the negative pressure can be zero, the sliding cover controllable switch 9 is pushed to a proper position of a switch opening 8 along the guide slide rail 15 by a thumb according to the operation requirement, stones are sucked out or flushing fluid is sucked out to adjust the size, the whole process negative pressure enables renal pelvis to be low in pressure, the operation time is obviously shortened, and the negative pressure control of doctors can be facilitated.

Specifically, the suction chamber included angle β between the suction chamber 10 and the puncture sheath grip 1 is 60 °, the puncture grip length L of the puncture sheath grip 1 is 65mm, the puncture grip inner diameter R is 17mm, and the sheath grip distance b between the vertical sheath 5 and the puncture sheath grip 1 is 20mm.

Specifically, the suction cavity 10 is provided with a negative pressure connector 11, the length of the switch opening 8 is 17mm, the width of the switch opening 8 is 6mm, the hollow cavity 7 is communicated with the puncture sheath pipe part 2, the closing-in inner diameter r of the hollow cavity 7 is from F18 to F26, and the specification of a negative pressure connector 11 sleeved with the negative pressure connector is F30.

Specifically, the diameter of the vertical stone collecting bottle 5 is 2cm, and the depth of the bottle is 2cm.

Specifically, a plugging net is arranged behind the opening of the vertical stone collecting bottle, and the size of the plugging net is consistent with the inner diameter of the suction cavity.

Working principle: the puncture sheath is divided into a handle part and a tube part, stable connection and disassembly are realized between the puncture sheath handle part 1 and the puncture sheath tube part 2 through a closing-in structure and a sheath tube fixing ring, when the puncture sheath is used, the puncture inner core 3 is inserted into the puncture sheath tube part 2 through the inner core fixing ring 14, after successful puncture, the puncture inner core 3 is withdrawn, and the inner core fixing ring 14 is sleeved in the sheath tube fixing ring 13 of the puncture sheath tube part 2, so that stable connection is realized. After the operation is performed, the puncture inner core 3 is guided by the guide wire to penetrate into the skin of a patient to reach a designated position, and then sequentially expands to the corresponding expansion sheath model from small to large, the puncture sheath tube part 2 is sleeved, after the operation is performed to the designated position, the puncture inner core 3 is withdrawn, the negative pressure connector 11 is connected with a negative pressure suction device, and controllable negative pressure connection is completed. When the operation is performed, the suction pressure of the negative pressure suction device can be adjusted by adjusting the sliding cover controllable switch 9 according to the needs, so that the real negative pressure suction is realized, the whole-process negative pressure can be controlled, the negative pressure can be zero, stones (ballistic broken stone and laser broken stone) can be sucked out while the stones and flushing fluid are crushed, the renal pelvis is enabled to be low in pressure, the stones are sucked out, and the like, the stones flow into the stone collecting bottle through the blocking of the blocking net, and the flushing fluid is shunted to the suction bottle. After the operation is completed, the puncture sheath handle part 1 is detached, the fistulization tube is left as required, the puncture sheath tube part 2 is torn, and the puncture sheath tube part 2 is taken out.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (4)

1. The utility model provides a garrulous limit of limit is inhaled and controllable negative pressure puncture sheath of water stone reposition of redundant personnel, includes puncture sheath portion (1) and puncture sheath pipe portion (2), the bottom fixedly connected with puncture sheath pipe portion (2) of puncture sheath portion (1), the inside of puncture sheath pipe portion (2) is provided with puncture inner core (3), the top of puncture sheath pipe portion (2) is equipped with sheath pipe solid fixed ring (13), the top of puncture inner core (3) is provided with inner core solid fixed ring (14), its characterized in that: the utility model discloses a puncture sheath, including puncture sheath portion, puncture sheath portion (1), including puncture sheath portion (1), puncture sheath portion, including puncture sheath portion, one side of portion (1) is provided with hollow chamber (7) of binding off, one side of puncture sheath portion (1) is provided with slope upward open-ended suction chamber (10), suction chamber (10) are close to the lower part of hollow chamber (7) is equipped with vertical receipts stone bottle (5) down, one side of suction chamber (10) is provided with switch opening (8), switch opening (8) are in be equipped with calculus shutoff net (12) in suction chamber (10), suction chamber (10) outer wall is equipped with guide rail (15), guide rail (15) cover knot is equipped with slider controllable switch (9).

2. The water and stone shunt controllable negative pressure puncture sheath according to claim 1, wherein: the included angle (beta) of the suction cavity (10) and the suction cavity between the puncture sheath handle parts (1) is 60 degrees, the puncture length (L) of the puncture sheath handle parts (1) is 65mm, the puncture inner diameter (R) is 17mm, and the sheath handle distance (b) between the vertical stone collecting bottle (5) and the puncture sheath handle parts (1) is 20mm.

3. The controllable negative pressure puncture sheath for sucking and water stone splitting at the same time according to claim 1, wherein the suction cavity (10) is provided with a negative pressure connector (11), the length of the switch opening (8) is 17mm, the width of the switch opening (8) is 6mm, the hollow cavity (7) is communicated with the puncture sheath tube part (2), the hollow cavity closing inner diameter (r) of the hollow cavity (7) is F18 to F26, and the specification of a negative pressure interface sleeved by the negative pressure connector (11) is F30.

4. A controllable negative pressure puncture sheath for cutting and absorbing water and stone splitting according to claim 3, wherein the diameter of the vertical stone collecting bottle (5) is 2cm, the depth of the bottle is 2cm, and a plugging net (12) is arranged behind the opening of the vertical stone collecting bottle.