CN219846826U

CN219846826U - Aspirator for endoscope assistance

Info

Publication number: CN219846826U
Application number: CN202320389223.6U
Authority: CN
Inventors: 甘武
Original assignee: Guangdong General Hospital
Current assignee: Guangdong General Hospital
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-10-20
Anticipated expiration: 2033-03-06

Abstract

The utility model relates to an aspirator for endoscope assistance, which comprises an aspirator and a restraint device, wherein the aspirator comprises a straight pipe body and an arc-shaped pipe body; the restraining device is used for restraining the straight pipe body and the endoscope to enable the straight pipe body and the endoscope to be arranged side by side, the restraining device is provided with a restraining hole, the outer diameter of the straight pipe body is smaller than the aperture of the restraining hole, the straight pipe body penetrates through the restraining hole, the arc-shaped pipe body is connected to the front end of the straight pipe body, and the arc-shaped pipe body protrudes out of the endoscope. The straight tube body and the endoscope are restrained by the restraining device to be arranged side by side, so that the operation by one hand of an operator is facilitated. Because the external diameter of the straight pipe body is smaller than the aperture of the constraint hole, the straight pipe body is penetrated in the constraint hole, the straight pipe body can rotate or move up and down in the constraint hole and drive the arc pipe body at the front end of the straight pipe body to rotate or move up and down, when the arc pipe body rotates or moves up and down, the arc pipe body is equivalent to the circle drawing or the up and down movement by taking the axis of the straight pipe body as the center of a circle, the suction range of the suction apparatus is enlarged, the suction range is enlarged, the suction of a larger range can be realized without moving an endoscope, the operation area can be kept clear, and the fine operation of an operator is facilitated.

Description

Aspirator for endoscope assistance

Technical Field

The utility model belongs to the field of medical appliances, and particularly relates to an aspirator for endoscope assistance.

Background

The endoscope is one of the important tools of the current surgical operation, is also the most important device for realizing the minimally invasive operation, and how to fully utilize the advantages of the close observation and the wide-angle display of the endoscope to finish the more accurate and minimally invasive operation becomes a main breakthrough point of the current technical development. The current widely used equipment and instruments are basically independent in function, the endoscope provides a light source, the aspirator sucks stains such as blood and the like to keep the operation area clean, the electrocoagulation instrument completes hemostasis operation, the scissors completes disconnection operation and the like, and the mutual matching of various instruments finally completes operation for removing focus. In this process, especially when operating in deep small spaces, the requirements on the number of instruments in the space and the proficiency of the fit are very high, wherein it is essential that the endoscope provides a light source.

The best mode for realizing the minimally invasive endoscopic surgery in a narrow deep space is to hold the endoscope by the main cutter, and the operation is carried out by a single person and two hands, so that the field of view provided by the endoscope can be ensured to change along with the operation in real time, and the advantages of coordination of left and right hands can be fully exerted to realize the best fit, thus the efficiency is highest, and the cost is lowest.

The prior art discloses an endoscopic surgery suction device, which comprises an endoscopic outer sleeve, an endoscopic outer sleeve fastening bracket and a suction controller, wherein the endoscopic outer sleeve is sleeved outside an endoscopic lens tube, an endoscopic camera penetrates out of the front end of the endoscopic outer sleeve, the end of the endoscopic outer sleeve is provided with the fastening bracket, a fixing screw is arranged on the fastening bracket, the bracket on the opposite side of the fixing screw is provided with the suction controller, the outer side of the endoscopic outer sleeve is fixedly provided with a flushing drainage tube, the end of the drainage tube is connected to the suction controller, and the front end of the drainage tube is positioned outside the endoscopic camera; the suction device for the endoscopic surgery with the structure realizes suction and flushing functions by utilizing the suction controller and the flushing drainage tube, can synchronously suck waste liquid and blood stain containing bone fragments on the premise of normal operation of a single-hand endoscope, and can continuously use endoscopic instruments by the other hand, so that the endoscopic surgery is changed from single-hand operation to double-hand operation, and the surgical efficiency is greatly improved.

The technical problems are as follows:

when the aspirator needs to attract a larger range, the endoscope is often required to be moved, a clear and stable visual field cannot be continuously provided, and the endoscope can be too fast to follow the movement, so that the operation area is clear and insufficient, and the operator is uncomfortable in the form of dizziness and is unfavorable for fine operation.

Disclosure of Invention

Aiming at the technical problems existing in the prior art, the utility model aims at: the aspirator for endoscope assistance is provided, and the aspirator can attract a larger range without moving the endoscope, can keep the operation area clear, and is beneficial to fine operation.

The utility model aims at realizing the following technical scheme:

an aspirator for endoscope assistance comprises an aspirator and a restraint device, wherein the aspirator comprises a straight tube body and an arc-shaped tube body; the restraining device is used for restraining the straight pipe body and the endoscope to enable the straight pipe body and the endoscope to be arranged side by side, the restraining device is provided with a restraining hole, the outer diameter of the straight pipe body is smaller than the aperture of the restraining hole, the straight pipe body penetrates through the restraining hole, the arc-shaped pipe body is connected to the front end of the straight pipe body, and the arc-shaped pipe body protrudes out of the endoscope.

Further, the rear end of the straight pipe body is connected with a bent pipe body, and the bent pipe body is provided with a side hole.

Further, the straight pipe body and the bent pipe body are combined to form a Z-shaped pipe body.

Further, restraint device includes two half lantern ring buckles that can magnetism concatenation, and every half lantern ring buckle all is equal to the scope external diameter including the first semicircle ring and the second semicircle ring that connect gradually, first semicircle ring radius, second semicircle ring radius equals the constraint hole aperture.

Further, the outer wall of the straight pipe body is provided with a limiting device for limiting the position of the restraining device on the straight pipe body.

Further, the limiting device is a clamping block fixedly arranged on the outer wall of the straight pipe body.

Further, the arced tube body is made of a shapeable material.

Compared with the prior art, the utility model has the following beneficial effects:

the straight tube body and the endoscope are restrained by the restraining device to be arranged side by side, so that the operation by one hand of an operator is facilitated. Because the external diameter of the straight pipe body is smaller than the aperture of the constraint hole, the straight pipe body penetrates through the constraint hole, the straight pipe body can rotate or move up and down in the constraint hole and drive the arc-shaped pipe body at the front end of the straight pipe body to rotate or move up and down.

Drawings

Fig. 1 is a schematic plan view of the present utility model.

Fig. 2 is a schematic plan view of the restraining device of the present utility model.

In the figure:

1-endoscope, 11-endoscope tail end and 12-endoscope front end; 2-straight pipe body, 21-bent pipe body and 22-arc pipe body; 23-constraint device, 231-first semicircle, 232-second semicircle; 24-clamping blocks; 25-side holes.

Detailed Description

The defects of the aspirator device in the prior art include that when the aspirator is operated at a certain relative fixed position, the endoscope hardly moves, so that the limitation of operation distance is caused by the fact that the aspirator is not movable or the movable range is too small, and the operation area is clear and insufficient if the endoscope follows the movement too fast, so that the eye of an operator is uncomfortable, and the fine operation is not facilitated; in practical operation, the front end of the aspirator should exceed the front end 12 of the endoscope to facilitate the aspirator to cooperate with other instruments for operation, meanwhile, the endoscope can not move frequently, when in a certain position, the aspirator can move in a certain range, and the larger the moving range is, the better the safety is, thus not only reducing the discomfort of the eye of the operator, but also being beneficial to the safe and efficient operation.

The present utility model is described in further detail below.

As shown in fig. 1, an aspirator for assisting an endoscope includes an endoscope tube (hereinafter simply referred to as "endoscope 1"), an aspirator including a straight tube 2 and an arc-shaped tube 22, and a restraining means 23; the restraint device 23 is used for restraining the straight tube body 2 and the endoscope 1 to be arranged side by side, the restraint device 23 is provided with a restraint hole, the outer diameter of the straight tube body 2 is smaller than the aperture of the restraint hole, the straight tube body 2 is penetrated in the restraint hole, the arc-shaped tube body 22 is connected to the front end of the straight tube body 2, and the arc-shaped tube body 22 protrudes out of the endoscope 1.

Specifically, the aspirator is relatively fixed on the existing endoscope 1, thereby realizing integration and having a certain movable range.

The aspirator is of a metal tubular structure, the arc-shaped tube body 22 at the front end of the aspirator is of an arc-shaped design, protrudes out of the endoscope 1 and is far away from the front end 12 of the endoscope, has a certain angle, and can be shaped artificially according to actual needs;

the straight tube body 2 of the aspirator is connected with the endoscope 1 through a restraint device 23 and is relatively fixed, and a clamping block 24 is arranged to prevent the aspirator from moving towards the front end 12 of the endoscope, namely the deep part;

the rear end of the straight tube body 2 of the aspirator is connected with a bent tube body 21, the bent tube body 21 is in a Z-shaped design, so that the tail end of the aspirator is far away from the tail end 11 of the endoscope and is a handheld part of the aspirator, and meanwhile, the bent tube body 21 is provided with a side hole 25 for a finger to adjust the negative pressure of the aspirator at the position;

as shown in fig. 2, the restraint device 23 includes two magnetically-spliced half-collar buckles, each half-collar buckle includes a first half-collar 231 and a second half-collar 232 that are sequentially connected, where the radius of the first half-collar 231 is equal to the outer diameter of the endoscope 1, the first half-collar 231 is spliced into a ring and then fastened on the endoscope, the second half-collar 232 is thinner and narrower in size, the radius of the second half-collar 232 is slightly larger than the outer diameter of the straight pipe body 2 of the aspirator, and is slightly thicker and wider in size, and is matched with the size of the clamping block 24 on the aspirator, so as to prevent the clamping block 24 from moving towards the front end 12 of the endoscope.

The straight tube body 2 of the aspirator can be kept to be clung to the endoscope 1 without being fixed through a sleeve or a sleeve, and the constraining device 23 is formed after the two half-collar buckles are spliced, so that the integrated volume of the straight tube body 2 and the endoscope 1 is minimum, meanwhile, the half-collar buckles are formed by two magnetic parts, can be easily fixedly connected through magnetic force, can be easily detached, and can be used for placing the constraining device 23 close to the tail end 11 of the endoscope, so that the fixed strength is not affected, the constraining device is positioned outside an operation area channel, the additional space is not occupied because of the volume of the constraining device 23, and the space requirement on the operation area channel is reduced as much as possible.

The front end of the aspirator is not in a straight line shape parallel to the endoscope 1, but is an arc-shaped pipe body 22 in an arc-shaped design, and is far away from the front end 12 of the endoscope, when the endoscope 1 is fixed, the bent pipe body 21 at the tail end of the aspirator rotates to drive the arc-shaped pipe body 22 at the front end to rotate, so that a movement range approaching to a circular shape is realized. The arc-shaped tube 22 is made of a shapable material, the arc-shaped radian can be enlarged or reduced to perform artificial shaping according to the actual operation angle and the like, when the bent tube 21 at the tail end of the aspirator is lifted, the arc-shaped tube 22 at the front end also moves along with the movement of the position of the depth, and the movement of the position of the endoscope is added, so that the displacement of the arc-shaped tube 22 in a certain three-dimensional space range is finally realized in a simpler mode, the endoscopic operation under clear vision is conveniently completed, and the dizziness and the discomfort of operators and bystanders are avoided.

The clamping block 24 is used for limiting the maximum length of the relative movement of the aspirator on the endoscope 1, which is a safety guarantee, so that the aspirator can be lifted or rotated left and right in the restraint device 23 within the range limited by the clamping block 24 when the aspirator is loosened by an operator to avoid the aspirator from sliding to the deep to stab normal tissues or causing unexpected events under unexpected conditions. Meanwhile, the clamping block 24 is arranged on the bent pipe body 21 close to the tail end of the aspirator, so that the clamping block and the restraint device 23 are positioned outside the operation area channel, the volume of the operation area channel is not occupied, and the requirement on the operation space is reduced.

The bent pipe body 21 at the tail end of the aspirator is of a Z-shaped design, not a common straight line shape or an arc shape, and the like, and the shape is that when the endoscope is held by a single hand, the tail end of the aspirator can be pinched by an extra finger tip part, and meanwhile, the aspirator is convenient to rotate left and right or lift up by fingers, so that a certain three-dimensional range of movable space is provided for the arc-shaped pipe body 22 at the front end of the aspirator in cooperation with the movement of the endoscope 1. The tail end of the aspirator is provided with a side hole 25, which is just the tail end of the aspirator pinched by fingers, and the negative pressure of the aspirator can be controlled by adjusting the shielding degree of the side hole 25 at the same time, thus finishing the fine surgery, in particular the precise minimally invasive surgery of the nervous system.

When the design apparatus is used, firstly, an endoscope is prepared, a camera, an optical fiber and the like are connected, white balance adjustment and adjustment are carried out on the endoscope, the required focal length is carried out, then the front end of the aspirator is placed in the flat focal depth, the aspiration opening is positioned at the clear view field, a restraint device 23 is arranged according to the position of a clamping block 24 to form a large ring shape, the endoscope 1 is clamped, the straight pipe body 2 of the aspirator is sleeved, and another restraint device 23 can be arranged at the position near the aspirator so as to enable the aspirator to be clung to the endoscope 1. The endoscope is held by a single hand of an operator, the tail end of the aspirator is held by two fingers, one finger is positioned at the side hole 25, the other hand is used for holding other instruments, the instruments with two hands are placed in the operation area for operation, when the position of the endoscope is changed or unchanged, the arc-shaped tube body 22 at the front end of the aspirator can be driven to move by the left and right rotation or lifting of the two fingers, the operation of different position points in the three-dimensional space of the operation area is completed, meanwhile, the coverage degree of the side hole 25 is adjusted to adjust the negative pressure, and the fine operation is completed. If the focal length is required to be increased to operate the deeper part, the endoscope can be taken out, the restraint device 23 is detached, then the restraint device 23 is installed for fixing after focusing, then the instrument operation is put in, if the lateral operation is required to be increased, the arc-shaped tube body 22 radian of the front end of the aspirator can be manually shaped, and if the lateral operation is only required to be right ahead, the requirement on the lateral direction is low, the arc-shaped tube body 22 radian of the front end of the aspirator can be manually shaped and reduced.

The patent has the following advantages after optimizing and improving the defects of the prior art and related designs:

the straight tube body 2 of the aspirator is tightly fixed to the endoscope 1, the fixed restraining device 23 and the clamping block 24 are close to the tail end of the aspirator and are positioned outside the passage of the operation area, the space requirement on the passage is low, normal tissues in the passage are not required to be sacrificed, and the straight tube body of the aspirator meets the accurate minimally invasive operation principle.

The restraint device 23 is simple in design, convenient to detach and assemble, two parts are magnetic and are connected and fixed into a ring through magnetic force, size matching can be realized by connecting the restraint device with the endoscope 1 to avoid movement, the suction device can rotate and lift up the movable space, and meanwhile, the restraint device is easy to detach and convenient to adjust fixed parts, meets the operation requirements of different areas in operation, further avoids the condition that the exposure range is enlarged through the normal tissues of the resected parts to meet the operation, and further reduces the operation wound.

The arc-shaped tube body 22 at the front end of the aspirator is designed in an arc-shaped manner, a larger movable range is provided, the lateral operation can be met, the aspirator can be moved along when the tail end of the aspirator is rotated or lifted, the endoscope does not need to be moved, a clear and stable visual field can be continuously provided, the basic guarantee is provided for minimally invasive surgery in a visible and visible manner, furthermore, the radian of the front end of the aspirator can be shaped manually according to actual needs to meet the surgical demands of different angles, the frequent replacement of different instruments is reduced, the time is saved, bleeding is reduced, and the minimally invasive surgery is efficiently performed.

The suction apparatus tail end is provided with the side hole 25, can be used for controlling the size of negative pressure, is an important premise of fine surgery, and meanwhile, the tail end is convenient for holding two instruments of an endoscope and the suction apparatus by one hand, can control the rotation and the lifting of the suction apparatus, is a foundation for realizing a certain movable space at the front end of the suction apparatus, and is convenient for realizing safe and efficient surgery with low trauma, large operation range and flexible operation.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

Claims

1. The aspirator for endoscope assistance is characterized by comprising an endoscope tube body, an aspirator and a restraint device, wherein the aspirator comprises a straight tube body and an arc-shaped tube body; the restraining device is used for restraining the straight pipe body and the endoscope pipe body to enable the straight pipe body and the endoscope pipe body to be arranged side by side, the restraining device is provided with a restraining hole, the outer diameter of the straight pipe body is smaller than the aperture of the restraining hole, the straight pipe body penetrates through the restraining hole, the arc-shaped pipe body is connected to the front end of the straight pipe body, and the arc-shaped pipe body protrudes out of the endoscope pipe body.

2. The aspirator for endoscope assist according to claim 1, wherein the straight tube body has a bent tube body connected to a rear end thereof, the bent tube body having a side hole.

3. The aspirator for an endoscope as set forth in claim 2, wherein the straight tube body and the bent tube body are combined to form a Z-shaped tube body.

4. The aspirator for endoscope assist of claim 1, wherein the restriction device comprises two magnetically spliced half-collar buckles, each half-collar buckle comprises a first half-ring and a second half-ring connected in sequence, the radius of the first half-ring is equal to the outer diameter of the endoscope tube, and the radius of the second half-ring is equal to the aperture of the restriction hole.

5. The aspirator for endoscope assist according to claim 1, wherein the outer wall of the straight tube body is provided with a limiting device for limiting the position of the restraining device on the straight tube body.

6. The aspirator for endoscope assist of claim 5, wherein the limiting device is a clamping block fixed on the outer wall of the straight tube body.

7. An aspirator for an endoscope assist as set forth in claim 1 wherein the arcuate tube is made of a shapeable material.