CN213347103U

CN213347103U - Rotary-cut formula peritoneoscope aspirator

Info

Publication number: CN213347103U
Application number: CN202021710808.6U
Authority: CN
Inventors: 王玉玺; 徐昌顺
Original assignee: Xiamen University Affiliated Cardiovascular Hospital
Current assignee: Xiamen University Affiliated Cardiovascular Hospital
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-06-04
Anticipated expiration: 2030-08-17

Abstract

The utility model relates to a rotary-cut formula peritoneoscope aspirator, including attracting the pipe, attract the pipe rear end to install micro motor, micro motor is connected with and extends to attracting the pipe front end and from attracting the pivot that the pipe front end stretches out, pivot front end demountable installation has the rotary-cut tool bit, attract the pipe front end demountable connection to be located rotary-cut tool bit outlying tubulose tool bit cover, attract pipe rear portion side to be provided with other interface, other interface is connected with and attracts branch pipe and flushing pipe. The rotary-cut type laparoscopic aspirator cuts the sucked lumpy liquid-solid mixture by the rotary-cut cutter head at the head end of the rotary-cut type laparoscopic aspirator, and can effectively solve the problems of easy blockage, difficult operation, low suction efficiency and the like of the current laparoscopic aspirator by utilizing the vortex which is formed by the rotation of the axial flow blades and is consistent with the suction direction; its novel structure, the effect is high-efficient, and the practicality is strong, is favorable to shortening the attraction time for the operation process to the connection can all be dismantled to most part, dismantles after the convenient to use and washs.

Description

Rotary-cut formula peritoneoscope aspirator

Technical Field

The utility model relates to a rotary-cut formula peritoneoscope aspirator.

Background

The laparoscope suction apparatus is used as a conventional apparatus for laparoscopic surgery, plays a role in sucking foreign matters such as blood, secretion, exudate and the like in an abdominal cavity, and has a flushing function. It is required to be able to suck up foreign matters in the abdominal cavity quickly and efficiently so as to fully expose the operation field, facilitate the operation of the operator and accelerate the operation process. However, in current clinical practice, it is found that when the existing laparoscopic aspirator meets liquid-solid mixtures of massive blocks such as blood clots formed by intra-abdominal bleeding and food residues flowing out from gastrointestinal perforation, the existing laparoscopic aspirator is very easy to block during suction, and the suction pipeline needs to be flushed repeatedly to be unobstructed; operation is delayed, and the suction efficiency is low; and therefore, the operation field is difficult to expose, the treatment of the wound surface is further influenced, the operation process is delayed, and even the life is endangered due to untimely attraction.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a rotary-cut formula peritoneoscope aspirator that novel structure, effect are high-efficient, and the practicality is strong, can effectively solve current peritoneoscope aspirator easily to block up, operate the difficulty and attract inefficiency scheduling problem, can shorten the attraction time for the operation process.

The utility model discloses a following scheme realizes: the utility model provides a rotary-cut formula peritoneoscope aspirator, is including attracting the pipe, attract the pipe rear end to install micro motor, the micro motor rear end is connected with the power cord, and the micro motor front end is connected with and extends to attracting the pipe front end and follow the pivot that attracts the pipe front end to stretch out, pivot front end demountable installation has the rotary-cut tool bit, attract the pipe front end demountable connection to be located the peripheral tubulose tool bit cover of rotary-cut tool bit, attract pipe rear portion side to be provided with other interface, other interface is connected with and attracts branch pipe and flushing pipe.

Furthermore, the suction tube is formed by connecting two sections of tube bodies through threads, the cutter head cover is connected with the front end of the suction tube through threads, the rotary cutter head and the front end of the rotating shaft as well as the rear end of the rotating shaft are connected with the motor through threads, and the screwing direction of the connecting threads between the rotary cutter head and the rotating shaft as well as between the rotating shaft and the micro motor is opposite to the rotating direction of the micro motor.

Furthermore, a bracket for supporting the rotating shaft is arranged on the inner side of the front end part of the suction tube, and the rotating shaft penetrates through the middle of the bracket and is in rotary fit with the bracket; the rotary cutter head is provided with axial flow blades which form axial vortex from front to back when the rotary cutter head rotates.

Furthermore, the rear end of the suction tube is provided with an integrally formed handle sleeve, and the micro motor, the suction branch tube and the flushing tube are all positioned in the handle sleeve; the suction branch pipe and the flushing pipe are connected in series with a control valve for controlling the suction pipe and the flushing pipe to be switched on and off, the control valve comprises a valve body and a valve core which is positioned in the valve body and can rotate relative to the valve body, two ends of the valve core are connected with swing handles which are positioned outside handle sleeves and used for rotating the valve core, a first radial hole channel used for communicating the suction pipe and a second radial hole channel used for communicating the flushing pipe are formed in the valve core, and the first radial hole channel and the second radial hole channel are staggered by a certain angle so as to control the suction branch pipe and the flushing pipe to be switched off or alternatively communicated at the same time through the swing.

Furthermore, a plurality of suction holes are formed in the side wall of the cutter head cover.

Compared with the prior art, the utility model discloses following beneficial effect has: the rotary-cut laparoscope aspirator cuts up the sucked lumpy liquid-solid mixture by the rotary-cut cutter head at the head end of the rotary-cut laparoscope aspirator, and assists the aspirator to be discharged from the body by utilizing the vortex which is formed by the rotation of the axial flow blades and is consistent with the suction direction. The rotary-cut type laparoscopic suction apparatus can effectively solve the problems of easy blockage, difficult operation, low suction efficiency and the like of the conventional laparoscopic suction apparatus; its novel structure, the effect is high-efficient, and the practicality is strong, is favorable to shortening the attraction time for the operation process to the connection can all be dismantled to most part, dismantles after the convenient to use and washs.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.

Drawings

FIG. 1 is a sectional view of the structure of the embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the suction branch pipe and the flushing pipe with the control valve in the embodiment of the present invention;

the reference numbers in the figures illustrate: 100-suction tube, 110-side interface, 120-support, 200-micro motor, 210-power line, 300-rotating shaft, 310-rotary cutter head, 400-cutter head cover, 410-suction hole, 500-suction branch tube, 600-flushing tube, 700-handle cover, 710-knob switch, 800-control valve, 810-valve body, 820-valve core, 830-swing handle, 840-first radial hole channel and 850-second radial hole channel.

Detailed Description

As shown in fig. 1-2, a rotary-cut laparoscopic aspirator comprises a suction tube 100, wherein a micro motor 200 is installed at the rear end of the suction tube 100, a power cord 210 is connected at the rear end of the micro motor 200, a rotary shaft 300 extending to and from the front end of the suction tube is connected at the front end of the micro motor 200, a rotary-cut cutter head 310 is detachably installed at the front end of the rotary shaft 300, a tubular cutter head cover 400 positioned at the periphery of the rotary-cut cutter head is detachably connected at the front end of the suction tube 100, a side port 110 is arranged on the side surface of the rear portion of the suction tube, and a suction branch tube 500 and a flushing tube 600 are connected at the side port 110; the suction branch pipe 500 is connected with a negative pressure suction pipe for suction operation, and the flushing pipe 600 is connected with a flushing pipe for injecting water into the abdominal cavity for flushing; when entering the suction tube, the lumpy liquid-solid mixture of blood clots, food residues and the like is firstly cut into fine granular fragments by the rotary cutter head 310 positioned in the cutter head cover 400 and then is mixed in the liquid and sucked out of the body by the suction branch tube 500 connected with negative pressure, so that the blockage of the suction tube by the lumpy suction substance can be effectively avoided, the suction time is shortened, and the operation process is accelerated.

In this embodiment, the suction tube 100 is formed by connecting two sections of tube bodies by threads, the cutter head cover 400 is connected with the front end of the suction tube 100 by threads, the rotary cutter head 310 is connected with the front end of the rotating shaft 300 and the rear end of the rotating shaft 300 is connected with the motor 200 by threads, and the screwing direction of the connecting threads between the rotary cutter head 310 and the rotating shaft 300 and between the rotating shaft 300 and the micro motor 200 is opposite to the rotating direction of the micro motor, so as to avoid looseness during operation; most parts of the suction apparatus are detachably connected, so that the cleaning and disinfection work is convenient to disassemble after the use is finished.

In this embodiment, the inner side of the front end of the suction tube 100 is provided with a support 120 for supporting the rotating shaft, and the rotating shaft 300 passes through the middle of the support 120 and is in rotating fit with the support, so as to ensure the working stability of the rotating shaft and avoid shaking or deformation.

In this embodiment, the rotary-cut cutter head 310 is provided with axial flow blades which form a forward and backward axial vortex when the rotary-cut cutter head 310 rotates, and the axial flow blades on the rotary-cut cutter head 310 can partially form a forward and backward axial vortex in the cutter head cover 400 by means of the rotation of the rotating shaft 300 in addition to completing the chopping operation on the lumpy liquid-solid mixture, so that the sucked object can be forced to advance from the front end to the rear end of the suction tube, and the sucked object can be assisted to be discharged from the body under the action of external negative pressure suction, thereby improving the suction efficiency.

In this embodiment, the rear end of the suction tube is provided with an integrally formed handle sleeve 700, and the micro motor 200, the suction branch tube 500 and the flushing tube 600 are all positioned in the handle sleeve 700; the suction branch pipe and the flushing pipe are connected in series with a control valve 800 for controlling the on-off of the suction pipe and the flushing pipe, the control valve 800 comprises a valve body 810 and a valve core 820 which is positioned in the valve body and can rotate relative to the valve body, two ends of the valve core are connected with a swing handle 830 which is positioned outside a handle sleeve and used for rotating the valve core, a first radial hole 840 used for communicating the suction pipe and a second radial hole 850 used for communicating the flushing pipe are formed in the valve core, the first radial hole and the second radial hole are staggered by a certain angle so as to control the suction branch pipe and the flushing pipe to be simultaneously disconnected or alternatively communicated through the swing handle, the staggered angle of the first radial hole and the second radial hole is preferably 90 degrees, the control valve has three working positions, when the handle swings backwards, the suction branch pipe is communicated, and suction operation; when the handle swings to the middle position, the branch guide pipe and the flushing pipe are both closed; when the handle swings forwards, the flushing pipe is communicated, and water injection operation can be carried out.

In this embodiment, a knob switch 710 for controlling the rotation speed of the micro-motor is disposed at the outer side of the handle sleeve to control the rotary cutting of the object to be attracted with different rotation speeds.

In this embodiment, the side wall of the tool bit cover 400 is provided with a plurality of suction holes 410.

In the present embodiment, the outer diameter of the suction tube is adapted to the current clinical use of 8-12.5 mm specification laparoscopic stab (Trocar), preferably 10 mm.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. A rotary cutting type laparoscope suction apparatus is characterized in that: including attracting the pipe, attract the pipe rear end to install micro motor, the micro motor front end is connected with and extends to attracting the pipe front end and follow the pivot that attracts the pipe front end to stretch out, pivot front end demountable installation has rotary-cut tool bit, attract the pipe front end demountable connection to be located the peripheral tubulose tool bit cover of rotary-cut tool bit, attract pipe rear portion side to be provided with other interface, other interface is connected with and attracts branch pipe and flushing pipe.

2. The rotary-cut laparoscopic aspirator according to claim 1, wherein: the suction tube is formed by connecting two sections of tube bodies in a threaded manner, the cutter head cover is connected with the front end of the suction tube in a threaded manner, the rotary cutter head is connected with the front end of the rotating shaft and the rear end of the rotating shaft are connected with the motor in a threaded manner, and the screwing direction of connecting threads between the rotary cutter head and the rotating shaft and between the rotating shaft and the micro motor is opposite to the rotating direction of the micro motor.

3. The rotary-cut laparoscopic aspirator according to claim 2, wherein: the inner side of the front end part of the suction tube is provided with a bracket for supporting a rotating shaft, and the rotating shaft penetrates through the middle of the bracket and is in rotary fit with the bracket; the rotary cutter head is provided with axial flow blades which form axial vortex from front to back when the rotary cutter head rotates.

4. The rotary-cut laparoscopic aspirator according to claim 1, wherein: the rear end of the suction tube is provided with an integrally formed handle sleeve, and the micro motor, the suction branch tube and the flushing tube are all positioned in the handle sleeve; the suction branch pipe and the flushing pipe are connected in series with a control valve for controlling the suction pipe and the flushing pipe to be switched on and off, the control valve comprises a valve body and a valve core which is positioned in the valve body and can rotate relative to the valve body, two ends of the valve core are connected with swing handles which are positioned outside handle sleeves and used for rotating the valve core, a first radial hole channel used for communicating the suction pipe and a second radial hole channel used for communicating the flushing pipe are formed in the valve core, and the first radial hole channel and the second radial hole channel are staggered by a certain angle so as to control the suction branch pipe and the flushing pipe to be switched off or alternatively communicated at the same time through the swing.

5. The rotary-cut laparoscopic aspirator according to claim 1, wherein: the side wall of the tool bit cover is provided with a plurality of suction holes.