CN215874861U - Percutaneous nephroscope puncture guiding auxiliary device - Google Patents

Abstract

The utility model discloses a percutaneous nephroscope puncture guiding auxiliary device, which relates to the technical field of medical instruments and comprises a base and an L-shaped supporting rod, wherein a plurality of suckers are arranged on the lower side of the base, the supporting rod is connected to one side of the base in a sliding manner, a first guiding groove is formed in the free end of the supporting rod, a first positioning nut is inserted in the first guiding groove, one end of the first positioning nut is connected with a U-shaped guiding block in a threaded manner, the left side of the guiding block is fixedly and rotatably connected with a first roller, a second roller is rotatably connected to the first roller, an L-shaped pressing rod is rotatably connected to the first rotating shaft, the free end of the pressing rod penetrates through one side of the guiding block and is arranged on the outer side, and an elastic buckle is arranged on one side of the pressing rod. By adopting the technical scheme of the utility model, the puncture needle can be attached to the skin of a patient, does not need medical staff to hold the puncture needle for a long time, and can avoid the puncture angle deviation caused by the influence of external force on the puncture needle in the puncture process.

Description

Percutaneous nephroscope puncture guiding auxiliary device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a percutaneous nephroscope puncture guiding auxiliary device.

Background

At present, among the urological department, often meet the patient of lithangiuria, when treating, adopt percutaneous nephroscopy to treat, through establishing percutaneous passageway to renal pelvis, then carry out follow-up operation, puncture passageway adopts the puncture trocar, the expansion sleeve constitutes, in the puncture process, through the action of puncture trocar, derive the liquid in the renal pelvis, confirm whether the puncture is successful, when puncturing, need ensure the stability of direction and just can keep the accuracy of pjncture needle, in current puncture guide structure, mainly adopt the puncture frame, through set up the slotted plate of different diameters on the puncture frame, the slotted plate quantity of using is comparatively concentrated, the slotted plate of inapplicable can scrap the same, increase consumptive material consumption.

The utility model discloses an among the current puncture guider is like utility model patent "a percutaneous nephroscope puncture direction auxiliary device" of application number "CN 201921424027.8", the palm board is handed to the left hand, after adjusting the angle and the position of stand pipe, be equipped with many elasticity ropes in the stand pipe, and enclose a round hole at the center, the nephroscope passes from the round hole, in order to play the guide effect, but the device needs medical personnel to hold for a long time, consequently need another medical personnel to operate the pjncture needle during the puncture, simultaneously at the puncture in-process, if the pjncture needle receives external force influence, probably lead to the puncture angle to appear the deviation, and this kind of deviation can't be corrected completely to the elasticity rope.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a percutaneous nephroscope puncture guiding auxiliary device which can be attached to the skin of a patient, does not need medical staff to hold the percutaneous nephroscope puncture guiding auxiliary device for a long time, and can avoid the puncture angle deviation caused by the fact that a puncture needle is influenced by external force in the puncture process.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a percutaneous nephroscope puncture direction auxiliary device, includes the bracing piece of base and L type, its characterized in that: the lower side of the base is provided with a plurality of suckers, the supporting rod is connected to one side of the base in a sliding manner, the free end of the supporting rod is provided with a first guide groove, a first positioning nut is inserted in the first guide groove, one end of the first positioning nut is connected with a U-shaped guide block in a threaded manner, the left side of the guide block is fixedly and rotatably connected with a first roller, the front side and the rear side of the guide block are respectively provided with a first slide groove, the left side and the right side in the first slide groove are respectively provided with a second guide groove, the second guide groove is connected with a first rotating shaft in a sliding manner, the first rotating shaft is rotatably connected with a second roller, the first rotating shaft is rotatably connected with an L-shaped pressing rod, the free end of the pressing rod penetrates through one side of the guide block and is arranged on the outer side, one side of the pressing rod is provided with an elastic buckle, one side of the first slide groove is provided with a plurality of clamping grooves matched with the elastic buckle, the right side of guide block articulates there is the closing cap, be equipped with the third guide way that runs through the closing cap side in the closing cap, sliding connection has the second axis of rotation in the third guide way, it is connected with the third gyro wheel to rotate in the second axis of rotation.

Adopt this technical scheme, confirm the puncture position when the operation, then cover the base on the skin around the puncture position, the sucking disc can firmly fix whole device on patient's skin, do not need medical personnel to control for a long time, later open the closing cap, in the recess that encloses with the needle body embedding first gyro wheel and the second gyro wheel of pjncture needle, then cover the closing cap, at this moment, can suitably extrude the third gyro wheel according to the specification of puncture, make first gyro wheel and third gyro wheel clip the pjncture needle, then press the pressing rod with the hand simultaneously, make it drive the second gyro wheel and be close to each other, clip the pjncture needle, at this moment the elastic buckle can imbed in the draw-in groove, the position of fixed second gyro wheel, first gyro wheel, the pjncture needle is carried simultaneously to second gyro wheel and third gyro wheel, avoid in the puncture process, the pjncture needle receives external force to influence, lead to the puncture angle to appear the deviation.

Preferably, the second sliding tray has been seted up on the right side of base, the third sliding tray that communicates with the second sliding tray has been seted up to the upside of base, the one end embedding of bracing piece is in the second sliding tray and is contradicted the inside wall of first sliding tray, it has second set nut to peg graft in the third sliding tray, second set nut's lower extreme and bracing piece threaded connection.

The bracing piece can slide along the base side, conveniently adjusts the puncture angle, can screw the position of second set nut fixed support pole simultaneously.

Preferably, one end of the second rotating shaft extends to the outer side of the third guide groove and is rotatably connected with a limit buckle, and a limit groove matched with the limit buckle is arranged at the opening of the third guide groove.

The position of the third roller can be fixed by embedding the limiting buckle into the limiting groove, so that the third roller is matched with the first roller to clamp the puncture needle, and the puncture needle is prevented from being influenced by external force to cause the puncture angle to deviate.

Preferably, the second guide groove and the third guide groove are both fixedly connected with springs, free ends of the springs are fixed with circular rings, and the circular rings are sleeved on the rotating shaft.

The spring can make the corresponding roller return and conveniently adjust the position of the corresponding roller.

Preferably, the base is a resilient plastic plate.

The elastic plastic plate has certain hardness and plasticity and can be better attached and fixed on the surface of the skin.

Drawings

FIG. 1 is a schematic structural view of a puncture guiding assistance device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a guide block provided in accordance with an embodiment of the present invention;

fig. 3 is an enlarged view of position a provided in an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the following figures and embodiments:

reference numerals in the drawings of the specification include: the device comprises a base 1, a first positioning nut 2, a support rod 3, a second positioning nut 4, a guide block 5, a sealing cover 6, a first roller 7, a second roller 8, a spring 9, a pressing rod 10, an elastic buckle 11, a third roller 12, a limiting buckle 13, a third guide groove 14, a second rotating shaft 15, a limiting clamping groove 16, a first rotating shaft 17 and a sucker 18.

As shown in fig. 1 to 3, a percutaneous nephroscope puncture guiding auxiliary device comprises a base 1 and an L-shaped support rod 3, wherein the base 1 is an elastic plastic plate and the lower side of the base is provided with a plurality of suckers 18, the right side of the base 1 is provided with a second sliding groove, the upper side of the base 1 is provided with a third sliding groove communicated with the second sliding groove, one end of the support rod 3 is embedded into the second sliding groove and is abutted against the inner side wall of the first sliding groove, a second positioning nut 4 is inserted into the third sliding groove, and the lower end of the second positioning nut 4 is in threaded connection with the support rod 3.

The free end of the supporting rod 3 is provided with a first guide groove, a first positioning nut 2 is inserted in the first guide groove, one end of the first positioning nut 2 is in threaded connection with a U-shaped guide block 5, the left side of the guide block 5 is fixedly and rotatably connected with a first roller 7, the front side and the rear side of the guide block 5 are respectively provided with a first sliding groove, the left side and the right side of the first sliding groove are respectively provided with a second guide groove, the second guide groove is in sliding connection with a first rotating shaft 17, the first rotating shaft 17 is rotatably connected with a second roller 8, the first rotating shaft 17 is rotatably connected with an L-shaped pressing rod 10, the free end of the pressing rod 10 penetrates through one side of the guide block 5 and is arranged at the outer side, one side of the pressing rod 10 is provided with an elastic buckle 11, one side of the first sliding groove is provided with a plurality of clamping grooves matched with the elastic buckle 11, the right side of the guide block 5 is hinged with a sealing cover 6, a third guide groove 14 penetrating through the side surface of the sealing cover 6 is arranged in the sealing cover 6, sliding connection has second axis of rotation 15 in third guide way 14, it is connected with third gyro wheel 12 to rotate on the second axis of rotation 15, the one end of second axis of rotation 15 extends to the outside of third guide way 14, and rotate and be connected with spacing knot 13, the opening part of third guide way 14 is equipped with the spacing groove that suits with spacing knot 13, equal fixedly connected with spring 9 in second guide way and the third guide way 14, the free end of spring 9 is fixed with the ring, the ring cover is established in the axis of rotation.

The specific implementation process is as follows:

the puncture position is determined during operation, then the base is covered on the skin around the puncture position, the whole device can be firmly fixed on the skin of a patient by the sucker without being held by medical personnel for a long time, then the sealing cover is opened, the needle body of the puncture needle is embedded into the groove formed by the surrounding of the first roller and the second roller, then the sealing cover is covered, at the moment, the third roller is properly extruded according to the specification of the puncture, the puncture needle is clamped by the first roller and the third roller, the limit buckle is embedded into the limit groove, the position of the third roller is fixed, then the pressing rod is pressed by hands simultaneously to drive the second rollers to mutually approach each other, the puncture needle is clamped, at the moment, the elastic buckle is embedded into the clamping groove to fix the position of the second roller, the first roller, the second roller and the third roller clamp the puncture needle simultaneously, and the influence of the puncture needle by external force during the puncture process can be avoided, resulting in a deviation of the puncture angle.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. The utility model provides a percutaneous nephroscope puncture direction auxiliary device, includes the bracing piece of base and L type, its characterized in that: the lower side of the base is provided with a plurality of suckers, the supporting rod is connected to one side of the base in a sliding manner, the free end of the supporting rod is provided with a first guide groove, a first positioning nut is inserted in the first guide groove, one end of the first positioning nut is connected with a U-shaped guide block in a threaded manner, the left side of the guide block is fixedly and rotatably connected with a first roller, the front side and the rear side of the guide block are respectively provided with a first slide groove, the left side and the right side in the first slide groove are respectively provided with a second guide groove, the second guide groove is connected with a first rotating shaft in a sliding manner, the first rotating shaft is rotatably connected with a second roller, the first rotating shaft is rotatably connected with an L-shaped pressing rod, the free end of the pressing rod penetrates through one side of the guide block and is arranged on the outer side, one side of the pressing rod is provided with an elastic buckle, one side of the first slide groove is provided with a plurality of clamping grooves matched with the elastic buckle, the right side of guide block articulates there is the closing cap, be equipped with the third guide way that runs through the closing cap side in the closing cap, sliding connection has the second axis of rotation in the third guide way, it is connected with the third gyro wheel to rotate in the second axis of rotation.

2. The percutaneous nephroscope puncture guiding device as claimed in claim 1, wherein: the second sliding tray has been seted up on the right side of base, the third sliding tray that communicates with the second sliding tray is seted up to the upside of base, the one end embedding of bracing piece is in the second sliding tray and contradicts the inside wall of first sliding tray, it has second set nut to peg graft in the third sliding tray, second set nut's lower extreme and bracing piece threaded connection.

3. The percutaneous nephroscope puncture guiding device as claimed in claim 1, wherein: one end of the second rotating shaft extends to the outer side of the third guide groove and is rotatably connected with a limiting buckle, and a limiting groove matched with the limiting buckle is arranged at the opening of the third guide groove.

4. The percutaneous nephroscope puncture guiding device as claimed in claim 1, wherein: the spring is fixedly connected in the second guide groove and the third guide groove, a circular ring is fixed at the free end of the spring, and the circular ring is sleeved on the rotating shaft.

5. The percutaneous nephroscope puncture guiding device as claimed in claim 1, wherein: the base is an elastic plastic plate.

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