CN113331890A

CN113331890A - Endoscopic surgery instrument platform

Info

Publication number: CN113331890A
Application number: CN202110618354.2A
Authority: CN
Inventors: 朱健; 沈伟中; 邓俊凯
Original assignee: Jiangsu Regrown Medical Technology Co ltd
Current assignee: Jiangsu Regrown Medical Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-09-03

Abstract

The invention provides an endoscopic surgery instrument platform which comprises a fixing unit, a channel unit, a sealing film, two duckbill pieces and an opening and closing unit, wherein the sealing film is positioned between the fixing unit and the duckbill pieces, the two duckbill pieces are oppositely arranged, the opening and closing unit is positioned on the fixing unit and is in transmission connection with at least one duckbill piece and drives the two duckbill pieces to open and close, the channel unit is further installed on the fixing unit, the channel unit, the duckbill pieces, the opening and closing unit and the like are integrated on the fixing unit, and the opening and closing of the two duckbill pieces can be controlled through the opening and closing unit to realize vagina expansion, and the channel unit is used for introducing instruments, air intake, smoke exhaust and other functions, so that the endoscopic surgery instrument platform is suitable for a vagina surgery, compact in structure, novel and stable.

Description

Endoscopic surgery instrument platform

Technical Field

The invention relates to the field of medical instruments, in particular to an endoscopic surgical instrument platform.

Background

In recent years, with the deep humanity of the minimally invasive concept and the increasing development of the endoscopic technology, minimally invasive endoscopic treatment of some diseases becomes the mainstream of surgical operations, avoids the traditional larger trauma and is beneficial to the quicker recovery of patients. For example, compared with the traditional multi-port laparoscopic surgery, the single-port laparoscopic surgery has fewer incisions and is more attractive, and is one development direction of minimally invasive surgery. The incision protective sleeve is produced by repeatedly inserting an instrument into the incision to better prop open the incision and expose tissue and organs in the cavity, prevent the incision from being polluted and avoid local tissue damage caused by repeated insertion of the instrument into the incision. However, the existing incision protection sleeve is generally suitable for laparoscopic surgery and mainly used for being matched with a laparoscopic single-hole multi-channel access device, but when an operation channel needs to be established from the vagina of a female patient in some gynecological surgeries, an instrument suitable for transvaginal surgery is lacked at present, and meanwhile, if a conventional vaginal dilator and the single-hole multi-channel access device are connected, a plurality of defects exist, for example, the two are inconvenient to assemble and not firm enough, and the two are easy to separate during use.

Disclosure of Invention

In order to solve the problems, the invention provides an endoscopic surgical instrument platform with a novel structure.

The utility model provides an laparoscopic surgery instrument platform, includes fixed unit, passageway unit, seal membrane, two duckbilled pieces and opens and shuts the unit, the seal membrane is located fixed unit with between the duckbilled piece, two the duckbilled piece sets up relatively, the unit that opens and shuts is located on the fixed unit, and at least with one the transmission of duckbilled piece is connected, and drives two the duckbilled piece opens and shuts, still install on the fixed unit the passageway unit.

Preferably, the opening and closing unit comprises a push-pull piece, and one end of the push-pull piece penetrates into the fixing unit and is connected with the duckbill sheet.

As preferred technical scheme, the unit that opens and shuts includes a rotating member, two connecting pieces, two torsional springs and two pivots, two the pivot is fixed in the both sides of fixed unit, every the duckbilled respectively through one the connecting piece articulate in the pivot, and the connecting piece with connect one between the pivot the torsional spring, the rotating member spiro union in on the fixed unit, and can be used in the connecting piece so that the duckbilled piece overcomes the torsional spring opens and shuts.

According to a preferable technical scheme, the channel unit comprises an outer sleeve and an inner sleeve, a smoke exhaust channel is formed between the outer sleeve and the inner sleeve, and an air inlet channel is formed in the inner sleeve.

According to the preferable technical scheme, the channel unit further comprises two first sealing rings, the first sealing rings are sleeved between the outer sleeve and the inner sleeve, an air inlet and a smoke exhaust hole are formed in the outer sleeve, the smoke exhaust hole is located in the lower portions of the two first sealing rings and communicated with the smoke exhaust channel, the air inlet is located between the two first sealing rings, a through hole is formed in the inner sleeve, and the through hole is located between the two first sealing rings.

As a preferred technical scheme, an extension pipe is arranged on the outer wall of the outer sleeve, the air inlet hole and the smoke exhaust hole are located in the extension pipe, and a partition plate is arranged in the extension pipe to separate the air inlet hole from the smoke exhaust hole.

As a preferred technical solution, the channel unit further includes a sealing assembly and a guiding assembly for instruments to pass through, and the sealing assembly and the guiding assembly are mounted in the inner sleeve and are arranged at intervals along the length direction of the inner sleeve.

As a preferred technical solution, the sealing assembly includes a sealing valve, an upper sealing valve seat and a lower sealing valve seat, the sealing valve is clamped between the upper sealing valve seat and the lower sealing valve seat, the guiding assembly includes a guiding protection sheet, an upper guiding valve seat and a lower guiding valve seat, and the guiding protection sheet is fixed between the upper guiding valve seat and the lower guiding valve seat.

Preferably, a plurality of air-entraining parts are arranged on the inner wall of the inner sleeve at intervals and used for guiding the gas and enabling the gas to be attached to or sprayed parallel to the surface of the endoscope.

As a preferred technical scheme, the device also comprises a plurality of functional pipelines, and the functional pipelines are positioned on the fixing unit.

As a preferred technical scheme, the device also comprises a pressure and gas injection unit which is respectively communicated with the gas inlet hole, the smoke exhaust hole and at least one functional pipeline.

Compared with the prior art, the technical scheme has the following advantages:

the channel unit, the duckbill pieces, the opening and closing unit and the like are integrated on the fixing unit, the opening and closing of the two duckbill pieces can be controlled through the opening and closing unit, so that the vagina expanding function is realized, and the functions of instrument introduction, air intake, smoke exhaust and the like are performed through the channel unit, so that the device is suitable for the transvaginal surgery, and is compact in structure, novel and stable. In addition, a plurality of air entraining parts are arranged on the inner wall of the inner sleeve at intervals and used for guiding air and enabling the air to be attached to or sprayed parallel to the surface of the endoscope, so that a stable protective barrier effect is formed around the lens, and the lens is effectively prevented from being fogged, and the operation of medical workers is influenced. And the real-time detection and adjustment of the body cavity pressure are realized by arranging the pressure measuring and gas injecting unit.

The invention is further described with reference to the following figures and examples.

Drawings

FIG. 1 is a schematic structural view of an endoscopic surgical instrument platform according to the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of the opening and closing unit according to the present invention;

FIG. 3 is a cross-sectional view of the opening and closing unit of FIG. 2;

FIG. 4 is an isometric view of a channel unit of the present invention;

FIG. 5 is a front view of the channel unit of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 8 is an exploded view of the seal assembly of the present invention;

FIG. 9 is an exploded view of a first embodiment of the guide assembly of the present invention;

FIG. 10 is an exploded view of a second embodiment of the guide assembly of the present invention;

fig. 11 is a block diagram illustrating the structure of the pressure and gas injection unit according to the present invention.

In the figure: 100 fixed unit, 110 annular plate, 120 threaded part, 200 channel unit, 210 outer sleeve, 211 air inlet hole, 212 smoke outlet hole, 213 extension pipe, 214 partition, 215 sealing plug, 220 inner sleeve, 221 through hole, 222 air guide part, 230 first sealing ring, 240 sealing component, 2411 first sealing part, 2412 first fixing part, 242 sealing upper valve seat, 2421 first plug part, 243 sealing lower valve seat, 2431 first clamping groove, 2432 first jack, 250 guide component, 251 guide protection plate, 2511 guide part, 2512 second fixing part, 252 guide upper valve seat, 2521 second plug part, 253 guide lower valve seat, 2531 second jack, 254 circular sealing valve, 260 second sealing ring, 270 lining, 280 press ring, 290 top cover, 2001 air inlet channel, 2002 smoke outlet channel, 300 duck mouth piece, 400 sealing film, 500a open-close unit, 510b rotating piece, 511b trigger part, 520b connecting piece, 530b torsion spring, 540b rotating shaft and 600 functional pipeline.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

As shown in fig. 1 to 3, the endoscopic surgical instrument platform comprises a fixing unit 100, a channel unit 200, two duckbills 300, a sealing film 400 and opening and

closing units

500a and 500b, wherein the sealing film 400 is located between the fixing unit 100 and the duckbills 300, the two duckbills 300 are oppositely arranged, the opening and

closing units

500a and 500b are located on the fixing unit 100 and are at least in transmission connection with one duckbill 300 and drive the two duckbills 300 to open and close, and the channel unit 200 is further installed on the fixing unit 100.

By integrating the channel unit 200, the duckbills 300 and the opening and

closing units

500a and 500b on the fixing unit 100, and controlling the opening and closing of the two duckbills 300 through the opening and

closing units

500a and 500b, the vagina expanding is realized, and the functions of instrument introduction, air intake, smoke exhaust and the like are performed through the channel unit 200, so that the device is suitable for the transvaginal surgery, and the device is compact, novel and stable in structure.

As shown in fig. 1, the opening and closing unit 500a includes a push-pull member 510a, and one end of the push-pull member 510a penetrates into the fixing unit 100 and is connected to a duckbill sheet 300. The two duckbills 300 can be opened and closed by pushing and pulling the push-pull piece 510a to make the connected duckbill 300 close to or far away from the other duckbill 300. The opening and closing distance of the two duckbill pieces 300 can be adjusted by controlling the push-pull distance, and the opening and closing of the two duckbill pieces 300 refers to the movement of the duckbill pieces 300 along the linear direction so as to open and close the two duckbill pieces 300.

Specifically, the push-pull member 510a penetrates one end of the fixing unit 100, and may be connected to the duckbill sheet 300 by a flexible material, etc., so that the push-pull member 510a can push or pull the duckbill sheet 300. The duckbill 300 may be bonded to the sealing film 400, and since the sealing film 400 has an elastic deformation capability, the sealing film 400 satisfies and is capable of deforming with the opening and closing of the two duckbill 300, and one end of the sealing film 400 departing from the duckbill 300 may be connected to the fixing unit 100.

The sealing film 400 may be an annular structure, so that a sealing region is formed between the fixing unit 100 and the duckbill 300, and air leakage during air injection through the passage unit 200 is avoided. Of course, the number of the sealing films 400 is two, and each sealing film 400 is correspondingly connected with one of the duckbills 300.

The push-pull member 510a may have a sheet shape or a column shape, which is not limited herein. A sealing structure may be provided between the push-pull member 510a and the fixing unit 100 to prevent the gas injection from leaking, for example, a sealing ring or the like may be provided between the push-pull member 510a and the fixing unit 100.

As shown in fig. 2 and 3, the opening and closing unit 500b includes a rotating member 510b, two connecting members 520b, two torsion springs 530b and two rotating shafts 540b, the two rotating shafts 540b are fixed on two sides of the fixing unit 100, each of the duckbill pieces 300 is hinged to the rotating shaft 540b through one of the connecting members 520b, and one of the torsion springs 530b is connected between the connecting member 520b and the rotating shaft 540b, the rotating member 510b is screwed on the fixing unit 100 and can act on the connecting member 520b to open and close the duckbill pieces 300 against the torsion springs 530 b.

Under the action of the torsion spring 530b, the two duckbills 300 are parallel in the initial state, and when the rotating member 510b is rotated and acts on the hand of the connecting member 520b, each of the duckbills 300 rotates outwards around the rotating shaft 540b and overcomes the elasticity of the torsion spring 530b, so that the two duckbills 300 are opened, and at the moment, the two duckbills 300 rotate around the rotating shaft 540b to be opened.

Specifically, the rotating member 510b is screwed to the fixing unit 100 and located at the upper portion of the connecting member 520b and the rotating shaft 540b, and the rotating member 510b can be rotated to move the rotating member 510b along the axial direction of the fixing unit 100, wherein when the rotating member 510b approaches and abuts against the connecting member 520b, the connecting member 520b is rotated outwards against the elastic force of the torsion spring 530b, so as to drive the duckbill piece 300 to rotate outwards.

More specifically, referring to fig. 3, the fixing unit 100 includes an annular plate 110, and a screw part 120 extending along an inner wall of the annular plate 110, the screw part 120 having an annular shape and an outer wall provided with an external thread, the rotary member 510b being located outside the screw part 120 and screw-coupled to the screw part 120, and the rotary shaft 540b being fixed to the annular plate 110 such that the coupling member 520b hinged to the rotary shaft 540b is located between the annular plate 110 and the rotary member 510 b. Rotating member 510b orientation one side of connecting piece 520b is provided with trigger part 511b, trigger part 511b is located screw thread portion 120 with between the pivot 540b to make trigger 511b push down connecting piece 520b is close to one side of screw thread portion 120, and then makes connecting piece 520 keeps away from the one side perk that upwards inclines of screw thread portion 120, and then realizes connecting piece 520 rotates outwards. The connector 520 may have an L-shape. In addition, by controlling the rotation process of the rotating member 510b, the opening and closing degree of the two duckbills 300 can be adjusted.

Preferably, a rotating arrow mark is provided on the rotating member 510b or the fixing unit 100, and the medical staff can adjust the opening and closing of the two duckbills 300 according to the mark.

The fixing unit 100 may be formed in a cylindrical shape as a whole, and the passage unit 200 is installed in the annular plate 120 and may be deviated from the center of the fixing unit 100, referring to fig. 1.

As shown in fig. 4 to 7, the channel unit 200 includes an outer sleeve 210 and an inner sleeve 220, a smoke evacuation channel 2002 is formed between the outer sleeve 210 and the inner sleeve 220, and an air intake channel 2001 is formed in the inner sleeve 220. In addition, instruments and the like can be introduced into the inner sleeve 220, the outer sleeve 210 and the inner sleeve 220 are both of slender structures, so that gas can be sprayed through the gas inlet passage 2001 to increase the distance between tissues so as to perform an operation, then the smoke is sucked away through the smoke exhaust passage 2002, clear visual field of an operation area and deodorization and the like are kept, gas circulation is performed through the gas inlet passage 2001 and the smoke exhaust passage 2002, lens fogging is avoided, the visual field of the operation area is kept clear, and the smoke is prevented from being directly discharged to an operating room due to the fact that the smoke exhaust passage 2002 is independent and closed, the purpose of deodorization is achieved, and virus in the smoke is prevented from infecting medical staff.

As shown in fig. 6, a plurality of air-entraining portions 222 are spaced on the inner wall of the inner sleeve 220 for guiding the air and making the air to be attached to or sprayed parallel to the surface of the endoscope so as to prevent the lens from fogging.

Specifically, an air inlet channel 2001 is formed in the inner sleeve 220, and the endoscope is also introduced into the inner sleeve 220, so that introduced gas can be sprayed along with the air introducing part 222, and the air introducing part 222 can enable the gas to be attached to or sprayed parallel to the surface of the endoscope, so as to form a stable protective barrier effect around the lens, thereby effectively preventing the lens from being fogged and further influencing the operation of medical staff.

In one embodiment, the bleed portions 222 may be helical and equally spaced. So that the gas passes between two adjacent bleed portions 222 and is injected along the bleed portions 222.

In another embodiment, the bleed portions 222 may be in the shape of a straight line and extend in the axial direction of the inner sleeve 220. Wherein a plurality of said bleed air portions 222 may be equally spaced about the axis of said inner sleeve 220. The inducing portion 222 may have a structure with a wide top and a narrow bottom, or a structure with a narrow top and a wide bottom, but is not limited thereto.

As shown in fig. 5 to 7, the channel unit 200 further includes two first sealing rings 230, the first sealing rings 230 are sleeved between the outer sleeve 210 and the inner sleeve 220, the outer sleeve 210 is provided with an air inlet 211 and a smoke outlet 212, the smoke outlet 212 is located at the lower portions of the two first sealing rings 230 and is communicated with the smoke exhaust channel 2002, the air inlet 211 is located between the two first sealing rings 230, the inner sleeve 220 is provided with a through hole 221, and the through hole 221 is located between the two first sealing rings 230.

Because the two first sealing rings 230 are sleeved between the outer sleeve 210 and the inner sleeve 220, a sealing area is formed between the two first sealing rings 230, and the air inlet hole 211 and the through hole 221 are both located between the two first sealing rings 230, it can be seen that the air inlet hole 211 and the through hole 221 are both communicated with the sealing area, so that air enters the sealing area through the air inlet hole 211, then enters the air inlet channel 2001 through the through hole 221, and then the gas injection is realized, and the smoke formed in the body cavity is discharged through the smoke exhaust channel 2002 and the smoke exhaust hole 212. By adopting the above configuration, the intake passage 2001 and the exhaust passage 2002 can be separated independently from each other, and gas interference can be prevented.

Specifically, the upper ends of the outer sleeve 210 and the inner sleeve 220 are larger and are located at the end of the fixing unit 100 facing away from the duckbill 300, referring to fig. 1, while the smaller lower ends of the outer sleeve 210 and the inner sleeve 220 pass through the fixing unit 100 and are on the same side as the duckbill 300. The air inlet holes 211 and the smoke exhaust holes 212 are located at the upper end of the outer sleeve 210, and the through holes 221 are located at the upper end of the inner sleeve 220.

As shown in fig. 4 to 7, an extension pipe 213 is disposed on an outer wall of the outer sleeve 210, the air inlet hole 211 and the smoke discharge hole 212 are located in the extension pipe 213, and a partition plate 214 is disposed in the extension pipe 213 to separate the air inlet hole 211 and the smoke discharge hole 212.

The extension tube 213 is integrally formed with the outer sleeve 210, and may be correspondingly connected with an external pipeline for gas transportation and the like. The extension pipe 213 may be correspondingly equipped with a sealing plug 215, through which the sealing plug 215 cooperates with the extension pipe 213 to seal, without the need for air intake and exhaust, etc.

As shown in fig. 6, the channel unit 200 further includes a sealing assembly 240 and a guiding assembly 250 for instrument passage, wherein the sealing assembly 240 and the guiding assembly 250 are mounted in the inner sleeve 220 and are spaced apart along the length of the inner sleeve 220. After the instrument passes through the guide assembly 250 and the sealing assembly 240 in sequence, the instrument is guided by the guide assembly 250, and the sealing operation of the instrument is realized by the sealing assembly 240, so that the operation process is in a sealing state. Wherein the sealing assembly 240 is located at a lower portion of the guide assembly 250.

As shown in fig. 8, the sealing assembly 240 includes a sealing valve 241, an upper sealing valve seat 242 and a lower sealing valve seat 243, the sealing valve 241 is clamped between the upper sealing valve seat 242 and the lower sealing valve seat 243, wherein the upper sealing valve seat 242 and the lower sealing valve seat 243 are both annular and are used for fixing the sealing valve 241 so as to allow the instrument to pass through the sealing valve 241.

Specifically, the sealing valve 241 includes a first sealing portion 2411 and a first fixing portion 2412 connected to the first sealing portion 2411 in the circumferential direction, the first sealing portion 2411 is used for the instrument to pass through, and the first fixing portion 2412 is clamped between the upper sealing valve seat 242 and the lower sealing valve seat 243.

Specifically, a first clamping groove 2431 is formed in the lower sealing valve seat 243, the first fixing portion 2412 is clamped in the first clamping groove 2431, and the first fixing portion 2412 abuts against the upper sealing valve seat 242.

More specifically, a plurality of first inserting portions 2421 are disposed on the upper sealing valve seat 242, a first inserting hole 2432 which is matched with the first inserting portion 2421 is disposed on the lower sealing valve seat 243, the first inserting hole 2432 may be located on the first clamping groove 2431, and the first inserting portion 2424 penetrates through the first fixing portion 2412 to be matched with the first inserting hole 2432, so as to fix the upper sealing valve seat 242 and the lower sealing valve seat 243 on the sealing valve 241.

The number of the first plugging parts 2421 can be multiple, and the first plugging parts 2421 are arranged at intervals along the circumferential direction of the sealing upper valve seat 242, so that the fixing effect on the sealing valve 241 can be effectively improved by correspondingly increasing the number of the first plugging parts 2421.

As can be seen from the above, the sealing valve 241 is not only clamped in the first clamping groove 2431, but also fixed by the first plugging portion 2421, so as to effectively improve the fixing effect of the upper sealing valve seat 242 and the lower sealing valve seat 243 on the sealing valve 241.

As shown in fig. 6 and 8, the sealing valve 241 may be V-shaped, and may be a straight sealing valve, the bottom of which passes through the middle of the lower sealing valve seat 243 and outside the lower sealing valve seat 243.

As shown in fig. 6, a second sealing ring 260 is disposed between the lower sealing seat 243 and the inner sleeve 220. And the upper sealing valve seat 242, the sealing valve 241 and the lower sealing valve seat 243 are arranged from top to bottom.

As shown in fig. 6 and 9, the guide assembly 250 is located at an upper portion of the sealing assembly 240, the guide assembly 250 includes a guide protection plate 251, a guide upper valve seat 252, and a guide lower valve seat 253, and the guide protection plate 251 is fixed between the guide upper valve seat 252 and the guide lower valve seat 253.

The guide protection plate 251 is tapered and comprises a guide portion 2511 and a second fixing portion 2512 connected to the circumferential direction of the guide portion 2511, the guide portion 2511 is used for the instrument to pass through, and the second fixing portion 2512 is fixed between the annular guide upper valve seat 252 and the guide lower valve seat 253. The number of the guide portions 2511 may be plural, and the plural guide portions 2511 are annularly arranged, so that the guide protection plate 251 is tapered, and the bottom stroke thereof is used for a through hole through which the instrument passes, thereby guiding the instrument.

And a plurality of second insertion portions 2521 are arranged on the guide upper valve seat 252, and a second insertion hole 2531 matched with the second insertion portions 2521 is formed on the guide lower valve seat 253, so that the second insertion portions 2521 penetrate through the second fixing portion 2512 and are matched with the second insertion hole 2531, thereby realizing the fixation of the guide protection plate 251.

As shown in fig. 6 and 9, the guide upper valve seat 252, the guide protective sheet 251, and the guide lower valve seat 253 are provided from top to bottom, and the guide lower valve seat 253 abuts on the seal upper valve seat 242.

As shown in fig. 6 and 10, the guide assembly 250 further comprises a circular sealing valve 254, the circular sealing valve 254 being located between the guide protection sheet 251 and the guide lower valve seat 253. In addition, the circular sealing valve 254 can be fixed by the second insertion portion 2521 and the second insertion hole 2531. The circular sealing valve 254 is used for the instrument to seal through.

With continued reference to fig. 6 and 10, the channel unit 200 further includes a lining 270 and a pressing ring 280, the lining 255 is sleeved between the guide assembly 250 and the inner sleeve 220, and the lower portion of the lining 255 abuts against the upper sealing valve seat 242. The clamping ring 280 is sleeved on the inner sleeve 220 and between the outer sleeves 210, the second auxiliary fixing part of the circular sealing valve 254 is fixed between the inner liner 270 and the clamping ring 280, and at the moment, the clamping ring 280 abuts against the upper port of the inner sleeve 220. Wherein, the lining 270 and the pressure ring 280 are both annular.

The channel unit 220 further includes a top cover 290, and the top cover 290 is screwed with the outer sleeve 210 to fix the liner 270, the compression ring 280, and the guide assembly 250. And the center of the cap 290 is opened with an opening 291 through which the instrument passes.

Specifically, the sealing assembly 240 may be first installed in the inner sleeve 220, then the liner 270 is placed in the inner sleeve, and then the guiding assembly 250 is placed in the inner sleeve, at this time, the guiding assembly 250 is located inside the liner 270, and the lower portions of the two abut against the sealing assembly 240, then the pressing ring 280 is placed in the inner sleeve, and finally the top cover 290 and the upper port of the outer sleeve 210 are screwed, so that the pressing ring 280, the liner 270, the guiding assembly 250, and the like are sequentially pressed, and then the installation and the fixation are completed.

As shown in fig. 1, the endoscopic surgical instrument platform further comprises a plurality of functional conduits 600, the functional conduits 600 being located on the stationary unit 100. The functional pipeline 600 can be used for pressure measurement, passing of surgical instruments and the like, so that the use function is improved.

As shown in fig. 11, the gas-liquid separator further comprises a pressure and gas injection unit respectively communicated with the gas inlet holes 211, the smoke outlet holes 212 and at least one functional pipeline 600. The pressure and gas injection unit can be respectively communicated with the gas inlet 211, the smoke exhaust hole 212 and the functional pipeline 600 through pipelines so as to complete gas injection, smoke exhaust and pressure measurement functions.

Specifically, in the stage of establishing a body cavity (an operation area of an instrument), the gas inlet pipeline injects gas into the body cavity, and the smoke exhaust pipeline carries out real-time pressure measurement on the pressure of the body cavity. After the body cavity is built, the smoke exhaust function is started through the smoke exhaust pipeline, and the pressure is monitored in real time through the pressure measurement pipeline. Therefore, the real-time monitoring of the body cavity pressure and the adjustment of the pressure can be carried out in the body cavity perfusion stage and the circulation stage, other auxiliary puncture devices are not needed, and the use cost is effectively reduced.

In summary, the channel unit 200, the duckbills 300, and the opening and

closing units

500a and 500b are integrated on the fixing unit 100, and the opening and closing of the two duckbills 300 can be controlled by the opening and

closing units

500a and 500b to achieve the functions of vagina expanding, instrument introduction, air intake, smoke exhaust and the like through the channel unit 200, so that the channel unit is suitable for the transvaginal surgery, and has a compact structure, a novel structure and a stable structure. In addition, a plurality of air entraining parts are arranged on the inner wall of the inner sleeve at intervals and used for guiding air and enabling the air to be attached to or sprayed parallel to the surface of the endoscope, so that a stable protective barrier effect is formed around the lens, and the lens is effectively prevented from being fogged, and the operation of medical workers is influenced. And the real-time detection and adjustment of the body cavity pressure are realized by arranging the pressure measuring and gas injecting unit.

The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited by the embodiments, i.e. all equivalent changes or modifications made in the spirit of the present invention are still within the scope of the present invention.

Claims

1. The utility model provides an laparoscopic surgery instrument platform, its characterized in that includes fixed unit (100), passageway unit (200), seal membrane (400), two duckbilled pieces (300) and opens and shuts unit (500 a, 500 b), seal membrane (400) are located fixed unit (100) with between duckbilled piece (300), two duckbilled piece (300) set up relatively, open and shut unit (500 a, 500 b) and be located on fixed unit (100), and at least with one duckbilled piece (300) transmission is connected, and drives two duckbilled piece (300) open and shut, still install on fixed unit (100) passageway unit (200).

2. The laparoscopic surgical instrument platform of claim 1, wherein said opening and closing unit (500 a) comprises a push-pull member (510 a), one end of said push-pull member (510 a) penetrates into said fixed unit (100) and is connected to a said duckbill sheet (300).

3. The laparoscopic surgical instrument platform of claim 1, wherein said opening and closing unit (500 b) comprises a rotary member (510 b), two connecting members (520 b), two torsion springs (530 b) and two rotary shafts (540 b), wherein said two rotary shafts (540 b) are fixed to both sides of said fixed unit (100), each of said duckbill pieces (300) is hinged to said rotary shaft (540 b) through one of said connecting members (520 b), and one of said torsion springs (530 b) is connected between said connecting member (520 b) and said rotary shaft (540 b), said rotary member (510 b) is screwed to said fixed unit (100) and can act on said connecting member (520 b) to open and close said duckbill pieces (300) against said torsion springs (530 b).

4. The laparoscopic surgical instrument platform of claim 1, wherein said channel unit (200) comprises an outer sleeve (210) and an inner sleeve (220), said outer sleeve (210) and inner sleeve (220) forming a smoke evacuation channel (2002) therebetween, said inner sleeve (220) forming an air intake channel (2001) therein.

5. The endoscopic surgical instrument platform as claimed in claim 4, wherein the channel unit (200) further comprises two first sealing rings (230), the first sealing rings (230) are sleeved between the outer sleeve (210) and the inner sleeve (220), the outer sleeve (210) is provided with an air inlet (211) and a smoke outlet (212), the smoke outlet (212) is located at the lower portions of the two first sealing rings (230) and is communicated with the smoke outlet channel (2002), the air inlet (211) is located between the two first sealing rings (230), the inner sleeve (220) is provided with a through hole (221), and the through hole (221) is located between the two first sealing rings (230).

6. The endoscopic surgical instrument platform of claim 5, wherein an extension tube (213) is disposed on an outer wall of the outer sleeve (210), the air inlet holes (211) and the smoke outlet holes (212) are located in the extension tube (213), and a partition plate (214) is disposed in the extension tube (213) to separate the air inlet holes (211) and the smoke outlet holes (212).

7. The laparoscopic surgical instrument platform of claim 4, wherein said channel unit (200) further comprises a seal assembly (240) and a guide assembly (250) for the passage of instruments, said seal assembly (240) and said guide assembly (250) being mounted within said inner cannula (220) and being spaced apart along the length of said inner cannula (220).

8. The endoscopic surgical instrument platform of claim 7, wherein the sealing assembly (240) comprises a sealing valve (241), a sealing upper valve seat (242), and a sealing lower valve seat (243), the sealing valve (241) being clamped between the sealing upper valve seat (242) and the sealing lower valve seat (243), the guide assembly (250) comprising a guide protection flap (251), a guide upper valve seat (252), and a guide lower valve seat (253), the guide protection flap (251) being secured between the guide upper valve seat (252) and the guide lower valve seat (253).

9. The laparoscopic surgical instrument platform of claim 4, wherein said inner sleeve (220) has spaced apart air entraining portions (222) on its inner wall for directing the gas and enabling the gas to be ejected in close proximity or parallel to the laparoscopic surface.

10. The laparoscopic surgical instrument platform of claim 6, further comprising a plurality of functional conduits (600), said functional conduits (600) being located on said stationary unit (100).

11. The laparoscopic surgical instrument platform of claim 10, further comprising a pressure and insufflation unit in communication with said air inlet (211), said smoke outlet (212), and at least one functional conduit (600), respectively.