CN218484634U

CN218484634U - Telescopic trocar

Info

Publication number: CN218484634U
Application number: CN202222004698.7U
Authority: CN
Inventors: 徐冉; 徐华平
Original assignee: First Affiliated Hospital of Wannan Medical College
Current assignee: First Affiliated Hospital of Wannan Medical College
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-02-17
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a scalable regulation trocar, including the pipe, the inside sliding connection that the pipe inside encircles the guiding hole that the round set up has the slide pipe, and the inside sliding connection of the installation component that the fixed cover in outside right side of pipe was established has drive assembly, and the locking Assembly of the inside sliding connection of installation component can carry out the position fixing with the state after the slide pipe displacement and handle. The utility model discloses can control the internal degree of depth of catheterization patient to this avoids the internal degree of depth of catheterization patient too deeply, can know from this, through using the device in this application, has ensured the treatment of abdominal cavity operation. The utility model discloses a sheath drives the effect that the slide pipe carries out the position and removes along the pipe direction for the sheath can not carry out synchronous motion together with the pipe at the displacement in-process, has ensured the stability of sheath in the use, and in addition, this device can carry out the rigidity to the slide pipe after the displacement, has improved the convenience when doctor operates.

Description

Telescopic control trocar

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a trocar capable of being adjusted in a telescopic way.

Background

Trocar is the Trocar, be one of the necessary medical appliances in the abdominal cavity art, at present, the structure of traditional Trocar is integral, the length of Trocar can't stretch out and draw back and adjust the use, in the operation process, the doctor punctures the head end of Trocar to the patient internal earlier, it is internal to move to the patient with the sheath through Trocar inside again, the internal degree of depth of patient needs to be adjusted because of the sheath inserts, at this moment, the sheath can drive the Trocar and insert the internal degree of depth of patient and change, and then make the head end of Trocar insert the internal degree of depth of patient too deeply, the effect of abdominal cavity treatment has been influenced, and simultaneously, the inconvenience of doctor's operation has still been influenced. Based on this, the utility model designs a scalable regulation trocar to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scalable regulation trocar to solve the problem that the above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the telescopic adjustable trocar comprises a guide pipe, a sliding pipe is connected inside the guide pipe in a sliding mode around a circle of guide holes, a driving assembly is connected inside a mounting assembly fixedly sleeved on the right side of the outer portion of the guide pipe in a sliding mode, and a locking assembly connected inside the mounting assembly in a sliding mode can fix the position of the sliding pipe after displacement;

the installation component place the cover including fixed cover locates the outside right side of pipe, place the inside upper end an organic whole of cover and be equipped with the mounting groove, drive assembly including sliding connection in the inside slider of mounting groove, slider right side upper end design for the inclined plane, the connecting pin that sets up in slider left side design for L shape, the locking component including sliding to run through in placing the bolt on the inside top right side of cover, the inclined plane of the wedge that sets firmly in bolt left side and the inclined plane of slider right side upper end be in the state of laminating each other with the face, the inside top of slide tube by left to right an organic whole be equipped with the jack of a plurality of quantities, jack and bolt realize separation or equipment through the mode of pegging graft and handle.

Furthermore, the first pressure spring is fixedly arranged between the left side of the connecting pin and the mounting groove, and can reset the displaced connecting pin and the sliding block.

Furthermore, a second pressure spring is fixedly arranged between the bottom of the wedge block and the mounting groove, and the displaced wedge block and the bolt can be reset.

Furthermore, a guide groove is integrally formed in the bottom end inside the sliding pipe, a sliding pin is fixedly arranged at the lower end of the inner wall of the sliding pipe, and the sliding pin is connected with the guide groove in a sliding mode.

Furthermore, the sliding pin is connected with the guide groove in a sliding manner, so that the sliding pipe can be prevented from rotating when the sliding pipe moves along the direction of the guide pipe, and the stable effect that the plug pin and the jack are overlapped with each other is ensured.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can control the internal degree of depth of catheterization patient to this avoids the internal degree of depth of catheterization patient too deeply, can know from this, through using the device in this application, has ensured the treatment of abdominal cavity operation.

2. The utility model discloses a sheath drives the effect that the slide pipe carried out the position and removes along the pipe direction for the sheath can not carry out synchronous movement together with the pipe at the displacement in-process, has ensured the stability of sheath in the use, and in addition, this device can carry out the rigidity to the slide pipe after the displacement, has improved the convenience when doctor operates.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a telescopically adjustable trocar of the present invention;

fig. 2 is a front cross-sectional view of the telescopically adjustable trocar of the present invention;

fig. 3 is a top view of the telescopically adjustable trocar of the present invention;

fig. 4 is a perspective view of the inner structure of the retractable trocar of the present invention;

fig. 5 is an enlarged partial cross-sectional view of the interior of the drive assembly.

In the drawings, the components represented by the respective reference numerals are listed below:

1-guide tube, 2-guide hole, 3-slide tube, 4-installation component, 5-drive component, 6-locking component, 401-placing sleeve, 402-installation groove, 501-slide block, 502-connecting pin, 601-bolt, 602-wedge block, 603-jack, 7-first pressure spring, 8-second pressure spring, 9-guide groove and 10-slide pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a technical scheme that a trocar can be adjusted in a telescopic mode, as shown in figures 1, 2 and 3, the trocar comprises a guide pipe 1, a sliding pipe 3 is connected inside the guide pipe 1 in a sliding mode around a circle of guide holes 2, a driving component 5 is connected inside a mounting component 4 fixedly sleeved on the right side of the outer part of the guide pipe 1 in a sliding mode, and a locking component 6 connected inside the mounting component 4 in a sliding mode can fix the position of the sliding pipe 3 after displacement;

installation component 4 locates placing cover 401 on the outside right side of pipe 1 including fixed cover, place the inside upper end an organic whole of cover 401 and be equipped with mounting groove 402, drive component 5 is including sliding connection in the inside slider 501 of mounting groove 402, slider 501 right side upper end is the inclined plane design, connecting pin 502 that slider 501 left side set up is the L design that appears, locking component 6 runs through in placing the bolt 601 on the inside top right side of cover 401 including sliding, the inclined plane of the wedge piece 602 that the bolt 601 left side set firmly is in the state of laminating each other with the face with the inclined plane of slider 501 right side upper end, the inside top of slide tube 3 is equipped with the jack 603 of a plurality of quantities from left to right an organic whole, jack 603 and bolt 601 realize separation or assembly process through the mode of pegging graft.

The first pressure spring 7 fixedly arranged between the left side of the connecting pin 502 and the mounting groove 402 can reset the displaced connecting pin 502 and the sliding block 501, and the second pressure spring 8 fixedly arranged between the bottom of the wedge block 602 and the mounting groove 402 can reset the displaced wedge block 602 and the bolt 601. Firstly, a doctor holds the placing sleeve 401 with the left hand, then punctures the catheter 1 into the treatment part of the patient, when the depth of the catheter 1 inserted into the patient reaches the requirements of the doctor, the doctor holds the placing sleeve 401 with the left hand and does not move, then uses the right hand to insert the sheath into the patient from the inside of the sliding tube 3 in sequence through the catheter 1, when the depth of the sheath inserted into the patient needs to be increased, the doctor pulls the thumb of the left hand on the connecting pin 502, so that the connecting pin 502 drives the sliding block 501 to move along the right direction of the mounting groove 402, and the first pressure spring 7 deforms, at the moment, the sliding block 501 presses the wedge block 602 to perform extrusion force, further the wedge block 602 drives the bolt 601 to move upwards along the direction of the mounting groove 402, so that the bolt 601 is separated from the jack 603, and the second pressure spring 8 is deformed, the sheath is pushed by the doctor by using the right hand, so that the sheath drives the sliding tube 3 to move leftwards along the direction of the catheter 1, namely, the sliding tube 3 moves along the left side direction of the guide hole 2, the depth of the sheath inserted into the body of a patient is increased, meanwhile, the catheter 1 is in a non-displacement state, after the displacement state of the sheath reaches the requirement of the doctor, the thumb of the left hand of the doctor releases the connecting pin, through the resilience force of the first pressure spring 7, the connecting pin 502 drives the sliding block 501 to reset, namely, the extrusion force of the sliding block 501 to the wedge-shaped block 602 is eliminated, through the resilience force of the second pressure spring 8, the wedge-shaped block 602 drives the bolt 601 to be inserted into the current corresponding jack 603, and the state of the sliding tube 3 after displacement is fixed.

As shown in fig. 4 and 5, a guide groove 9 is integrally formed at the bottom end inside the sliding tube 3, a sliding pin 10 is fixedly arranged at the lower end of the inner wall of the sliding tube 3, the sliding pin 10 is connected with the guide groove 9 in a sliding manner, and the sliding pin 10 is connected with the guide groove 9 in a sliding manner, so that the sliding tube 3 can be prevented from rotating when the sliding tube 3 is displaced along the direction of the guide tube 1, and the stable effect of mutual coincidence of the plug 601 and the jack 603 is ensured. During the displacement of the slide tube 3, the guide slot 9 moves along the direction of the slide pin 10, thereby ensuring the stability of the lateral displacement of the slide tube 3 along the direction of the guide hole 2, and further ensuring the normality of the subsequent insertion of the plug 601 into the insertion hole 603.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. Scalable regulation trocar, its characterized in that: the device comprises a guide pipe (1), a sliding pipe (3) is connected to the inner portion of a circle of guide holes (2) surrounding the inner portion of the guide pipe (1) in a sliding mode, a driving assembly (5) is connected to the inner portion of a mounting assembly (4) fixedly sleeved on the right side of the outer portion of the guide pipe (1) in a sliding mode, and a locking assembly (6) connected to the inner portion of the mounting assembly (4) in a sliding mode can fix the position of the sliding pipe (3) after the sliding pipe is displaced;

installation component (4) locate pipe (1) outside right side including fixed cover and place cover (401), place the inside upper end an organic whole of cover (401) and be equipped with mounting groove (402), drive assembly (5) including sliding connection in inside slider (501) of mounting groove (402), slider (501) right side upper end design for the inclined plane, connecting pin (502) that slider (501) left side set up for L shape design, locking Assembly (6) including sliding run through in placing bolt (601) on the inside top right side of cover (401), the inclined plane of wedge (602) that set firmly in bolt (601) left side and the inclined plane of slider (501) right side upper end be in the state of face and face laminating each other, the inside top of slide tube (3) from left to right integrative jack (603) that are equipped with a plurality of quantities, jack (603) and bolt (601) realize separation or assembly process through the mode of pegging graft.

2. A telescopically adjustable trocar according to claim 1, wherein said first compression spring (7) is fixedly disposed between the left side of said connection pin (502) and said mounting groove (402) for restoring said displaced connection pin (502) together with said slide block (501).

3. A telescopically adjustable trocar according to claim 1, wherein a second compression spring (8) is fixedly arranged between the bottom of the wedge (602) and the mounting groove (402) to return the displaced wedge (602) together with the bolt (601).

4. A telescopically adjustable trocar according to claim 1, wherein the slide tube (3) has a guide groove (9) integrally formed at the bottom end of its inner wall, a slide pin (10) is fixedly provided at the lower end of the inner wall of the slide tube (3), and the slide pin (10) is slidably connected to the guide groove (9).

5. A telescopically adjustable trocar according to claim 4, wherein the slide pin (10) is slidably connected to the guide groove (9) to prevent the slide tube (3) from rotating when the slide tube (3) is displaced in the direction of the guide tube (1), thereby ensuring a stable effect of the latch (601) and the socket (603) overlapping each other.