CN210277307U - Endoscope puncture outfit - Google Patents

Abstract

The endoscope puncture outfit comprises a sleeve and a puncture inner core, wherein the rear end of the sleeve is connected with an operation cover, an annular air bag is arranged on the periphery of the front part of the sleeve, an air injection joint is arranged on the operation cover and is communicated with the annular air bag through an air injection channel, the puncture inner core is of a hollow structure, the front end of the puncture inner core is hinged with a puncture head, a tough film is connected between the edge of the rear end face of the puncture head and the edge of the front end face of the puncture inner core, a transmission rod is rotatably connected inside the puncture inner core along the axis direction through a bearing, the rear end of the transmission rod penetrates out of the rear end face of the puncture; to sum up, adopt the utility model discloses when can avoiding the puncture inner core to puncture to patient's internal organ, because inertial action leads to the puncture head to lacerate patient's internal organ.

Description

Endoscope puncture outfit

Technical Field

The utility model belongs to the technical field of the medical treatment, concretely relates to chamber mirror puncture ware.

Background

In the surgical operation, the endoscopic operation can reduce the injury of the operation to the patient, reduce the hospitalization time and cost of the patient, and the like, when the endoscopic operation is carried out, a puncture outfit is needed to puncture a hole on the body wall, then a lens and various operation instruments are inserted into the body of the patient through the hole to carry out the operation, the puncture outfit needs to penetrate through the human tissues such as skin, subcutaneous fat, muscle, fascia and the like to reach the body wall, the existing puncture outfit usually comprises a sleeve and an inner core, the inner core is inserted into the sleeve to carry out the operation when the puncture is carried out, the head end of the inner core is relatively sharp and is inserted into the body cavity to easily damage the internal organs due to the inertia effect, the sleeve needs to be placed in the puncture hole in the operation process and is fixed by the friction force between the sleeve and the body wall, when the operation instruments are taken out, the sleeve is easily slipped off.

SUMMERY OF THE UTILITY MODEL

The utility model provides a weak point for solving the prior art, provides an endoscope puncture outfit, adopts this endoscope puncture outfit, can avoid puncturing the inner core to pass patient's internal organ after the body wall injury effectively to can fix the sleeve effectively.

In order to solve the technical problem, the utility model adopts the following technical scheme: the endoscope puncture outfit comprises a sleeve and a puncture inner core, wherein the rear end of the sleeve is connected with an operation cover, the periphery of the front part of the sleeve is provided with an annular air bag, the inner walls of the sleeve and the operation cover are provided with air injection channels, and the operation cover is provided with an air injection joint which is communicated with the annular air bag through the air injection channels;

the puncture inner core is of a hollow structure, the puncture head is arranged at the front end of the puncture inner core, the lower part of the rear end face of the puncture head is hinged to the front end of the puncture inner core through a pin shaft, a tough film is connected between the edge of the rear end face of the puncture head and the edge of the front end face of the puncture inner core, a transmission rod is rotatably connected inside the puncture inner core along the axis direction through a bearing, the rear end of the transmission rod penetrates out of the rear end face of the puncture inner core and is fixedly connected with a screwing handle, the front end face of the transmission rod is fixedly connected with a baffle, a first fixing plate is fixed on the inner wall of the upper part of the rear side of the puncture head, a second fixing plate is fixed on the inner wall of the, under the elastic force of the compression spring, the baffle is in top press fit with the first fixing plate and is positioned on the front side of the first fixing plate.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has: the operating cover is connected with the rear end of the sleeve, so that the puncture inner core and the surgical instrument can be operated conveniently; the periphery of the front part of the sleeve is provided with an annular air bag, and after a patient is punctured, air is injected into the annular air bag through the air injection joint, so that the sleeve is fixed on the body wall of the patient; after the puncture head is aligned with the body wall of a patient, the screwing handle is rotated to ensure that the baffle plate at the front end of the transmission rod does not limit the forward movement of the first fixing plate any more, then the puncture head is forced to penetrate into the body wall of the patient, and at the moment when the puncture head enters the body of the patient, the puncture head is overturned downwards around the hinge point due to the elastic force of the spring, so that the tip end of the puncture head is prevented from scratching the organs in the body of the patient forwards due to inertia; the flexible film is connected between the edge of the rear end face of the puncture head and the edge of the front end face of the puncture inner core, and when the puncture inner core with the puncture head is pulled out, the puncture head can be prevented from clamping the internal tissue when retracting to the original position.

To sum up, adopt the utility model discloses when can avoiding the puncture inner core to puncture to patient's internal organ, because inertial action leads to the puncture head to lacerate patient's internal organ.

Drawings

Fig. 1 is a schematic structural view of the sleeve of the present invention;

fig. 2 is a schematic structural view of the puncture inner core of the utility model;

fig. 3 is a sectional view of the puncture inner core of the utility model;

fig. 4 is a schematic view of the working state of the puncture inner core of the utility model;

FIG. 5 is an enlarged view of a portion of FIG. 3 at I;

fig. 6 is a partial enlarged view of fig. 4 at II.

Detailed Description

As shown in fig. 1-6, the endoscope puncture outfit of the present invention comprises a sleeve 1 and a puncture inner core 2, wherein the rear end of the sleeve 1 is connected with an operation cover 3, an annular air bag 4 is arranged on the periphery of the front portion of the sleeve 1, the inner walls of the sleeve 1 and the operation cover 3 are provided with an air injection channel, the operation cover 3 is provided with an air injection joint 5, and the air injection joint 5 is communicated with the annular air bag 4 through the air injection channel;

the puncture inner core 2 is of a hollow structure, a puncture head 6 is arranged at the front end of the puncture inner core 2, the lower part of the rear end face of the puncture head 6 is hinged at the front end of the puncture inner core 2 through a pin shaft, a tough film 7 is connected between the edge of the rear end face of the puncture head 6 and the edge of the front end face of the puncture inner core 2, a transmission rod 8 is rotatably connected inside the puncture inner core 2 along the axis direction through a bearing 14, the rear end of the transmission rod 8 penetrates out of the rear end face of the puncture inner core 2 and is fixedly connected with a screwing handle 9, a baffle 10 is fixedly connected to the front end side of the transmission rod 8, a first fixing plate 11 is fixed to the inner wall of the upper part of the rear side of the puncture head 6, a second fixing plate 12 is fixed to the inner wall of the upper part of the front side, under the elastic force of the compression spring 13, the baffle 10 is in press fit with the first fixing plate 11 and the baffle 10 is located at the front side of the first fixing plate 11.

The rear end of the puncture head 6 of the endoscope puncture outfit is matched with the front end of the puncture inner core 2, the compression spring 13 between the first fixing plate 11 and the second fixing plate 12 is in a compression state, and the flexible film 7 connected between the edge of the rear end face of the puncture head and the edge of the front end of the puncture inner core is in a compression folding state.

When the utility model is used, a medical staff inserts the puncture inner core 2 into the sleeve 1 to expose the puncture head 6, and the rear end of the puncture head 6 is involuted with the front end of the puncture inner core 2, the rotary screwing handle 9 is rotated to ensure that the baffle 10 at the front end of the transmission rod 8 limits the forward movement of the first fixing plate 11, then the puncture head 6 is aligned with the body wall of a patient, the rotary screwing handle 9 is rotated to ensure that the baffle 10 at the front end of the transmission rod 8 does not limit the first fixing plate 11 any more, then the body wall of the patient is punctured forcefully, at the moment when the puncture head 6 passes through the body wall of the patient, the puncture head 6 is overturned downwards due to the elastic force of the compression spring 13 on the first fixing plate 11 inside, so that the puncture head 6 can not puncture radially and inwardly, the internal organs of the patient are prevented from being scratched, then the sleeve 1 is pushed forwards into the puncture hole, air is injected into the annular air bag, therefore, the sleeve 1 is fixed, the puncture inner core 2 is withdrawn from the sleeve 1, the puncture head 6 is withdrawn from the sleeve 1 together with the front end of the puncture inner core 2 gradually due to the outward traction of the puncture inner core 2, and the tough film 7 is arranged between the edge of the rear end face of the puncture head 6 and the edge of the front end face of the puncture inner core 2, so that the puncture head 6 can be prevented from clamping the tissues in the body when being withdrawn outwards.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims (1)

1. Chamber mirror puncture ware, its characterized in that: the puncture needle comprises a sleeve and a puncture inner core, wherein the rear end of the sleeve is connected with an operation cover, an annular air bag is arranged on the periphery of the front part of the sleeve, an air injection channel is formed in the inner walls of the sleeve and the operation cover, an air injection joint is arranged on the operation cover, and the air injection joint is communicated with the annular air bag through the air injection channel;

the puncture inner core is of a hollow structure, the puncture head is arranged at the front end of the puncture inner core, the lower part of the rear end face of the puncture head is hinged to the front end of the puncture inner core through a pin shaft, a tough film is connected between the edge of the rear end face of the puncture head and the edge of the front end face of the puncture inner core, a transmission rod is rotatably connected inside the puncture inner core along the axis direction through a bearing, the rear end of the transmission rod penetrates out of the rear end face of the puncture inner core and is fixedly connected with a screwing handle, the front end face of the transmission rod is fixedly connected with a baffle, a first fixing plate is fixed on the inner wall of the upper part of the rear side of the puncture head, a second fixing plate is fixed on the inner wall of the, under the elastic force of the compression spring, the baffle is in top press fit with the first fixing plate and is positioned on the front side of the first fixing plate.

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