CN209548102U - A kind of intracavity gas circulating treating system of laparoscopic surgery - Google Patents

Abstract

A kind of intracavity gas circulating treating system of laparoscopic surgery, including filter device and driving pump installation, it is intraperitoneal to be communicated to that filter device is connected to surgical instrument, and driving pump installation is communicated to filter device, and it is intraperitoneal to be communicated to that driving pump installation is connected to surgical instrument.The utility model provides a kind of intracavity gas circulating treating system of laparoscopic surgery, specifically when carrying out the laparoscopic surgery of electric knife class, the smog circular treatment purification system that intraperitoneal cutting, coagulation generate, save carbon dioxide gas, it ensure that getting a clear view for operation, intra-abdominal pressure is nor affected on, the smog or the indoor air of carbon dioxide gas contaminated operation for also avoiding traditional direct emission from releasing realize that gas recycles extraction in an aseptic environment.

Description

A kind of intracavity gas circulating treating system of laparoscopic surgery

Technical field

The utility model relates to the field of medical instrument technology, recycle more particularly to a kind of intracavity gas of laparoscopic surgery Processing system.

Background technique

With the progress of laparoscopic surgery technology, laparoscopic minimally invasive surgery technology is promoted, and electricity is used in surgical procedure When knife class equipment carries out cutting or coagulation, a large amount of smog can be generated, these smog can obscure the mirror surface of endoscope, then Cause the display content being transferred on display through camera system to become blurred, is greatly abstained from surgical procedure, because This, this smog has to remove.Existing common smog reset mode is released using the negative pressure equipment of hospital, extraction What is come is CO2 gas and direct emission mostly, reduces intraperitoneal air pressure while causing air pollution, Bu Nengman The requirement of foot operation abdominal space, will have a direct impact on the smooth degree of operation.

Utility model content

In view of the problems of the existing technology, the utility model provides a kind of intracavity gas circular treatment of laparoscopic surgery System extracts intraperitoneal smog out, and after filter device filtration treatment, then pours into intraperitoneal, and direct emission is avoided to release Smog pollution air, do not influence intraperitoneal air pressure also with meet operation abdominal space requirement, realize in an aseptic environment Gas recycles extraction, even more saves CO₂Gas.

To achieve the goals above, the utility model provides a kind of intracavity gas circular treatment system of laparoscopic surgery System.

A kind of intracavity gas circulating treating system of laparoscopic surgery, it is characterised in that: including filter device and transfer tube Device；It is intraperitoneal to be communicated to that the filter device is connected to surgical instrument, and the driving pump installation is communicated to the filtering dress It sets, it is described intraperitoneal to be communicated to that the driving pump installation is connected to the surgical instrument.

Further, the filter device includes the first sealing and filter core, and the filter core sealing is contained in institute The first sealing is stated, first sealing is equipped with first connecting portion；The first connecting portion is connected to first sealing Inner cavity and the surgical instrument are described intraperitoneal to be communicated to；The driving pump installation include the second sealing, driving mechanism and Third interconnecting piece, the driving mechanism are contained in second sealing, and second sealing is equipped with the 4th interconnecting piece；It is described First sealing and second sealing are interconnected；4th interconnecting piece is connected to inner cavity and the institute of second sealing It is described intraperitoneal to be communicated to state surgical instrument；The third interconnecting piece penetrates second sealing, the third interconnecting piece Inner end be connected to the driving mechanism, the outer end of the third interconnecting piece is removably connected to outer driving device.

Further, the filter core includes the first layer filter core, second layer filter core and third layer filter core set gradually；Institute It states first layer filter core and compares the third layer filter core closer to the first connecting portion.

Further, the second layer cartridge seal is connected to the third layer filter core；The first layer cartridge seal connection In the second layer filter core.

Further, first sealing is additionally provided with second connecting portion, and second sealing is additionally provided with the 5th interconnecting piece, The second connecting portion is sealedly attached to the 5th interconnecting piece, to be connected to first sealing and second sealing.

Further, the driving mechanism includes eccentric wheel, swing component and variable chamber；The bottom end of the eccentric wheel is connected to The inner end of the third interconnecting piece, the top of the eccentric wheel are connected to the swing component, and the top of the swing component can abut To the variable chamber and it can extrude the variable chamber.

Further, the top of the eccentric wheel, which is equipped with, interlocks brace, the gearing top end face of the brace from the eccentric wheel Inclination extends upwards, and the bottom end of the swing component is equipped with the connecting hole with the gearing brace cooperation, and the swing component can be with institute It states wobbler action and moves.

Further, the variable chamber is equipped with intake valve, when the variable chamber is squeezed by the swing component, the air inlet Valve is opened, and when the variable chamber resets, the intake valve is closed.

Further, the driving mechanism further includes exhaust valve, and the exhaust valve is connected to the variable chamber, described variable When chamber is squeezed by the swing component, the exhaust valve is opened, when the variable chamber resets, the exhaust valve closure.

Further, the variable chamber is equipped with breather check valve, described when the variable chamber is squeezed by the swing component Breather check valve is opened, and the gas in the third cavity lid is drawn into the variable chamber, when the variable chamber is multiple When position, the breather check valve is closed.

Further, the variable chamber is set as leather cup or air bag.

Further, the third interconnecting piece is magnetic metal axis.

Further, the third interconnecting piece passes through inner seat set by second sealing and penetrates second sealing Portion, the third interconnecting piece are sealedly attached to the inner seat.

Further, the third interconnecting piece is connected to the inner seat by magnet fluid sealing.

Further, third interconnecting piece outer end is equipped with groove, and the groove and the drive shaft of the outer driving device are matched Close connection.

Further, the trough rim of the groove is in arc-shaped.

The utility model has the beneficial effects that

The intracavity gas circulating treating system of laparoscopic surgery provided by the utility model, including filter device and transfer tube Device, it is intraperitoneal to be communicated to that filter device is connected to surgical instrument, and filter device is to the Smoke Filter from intraperitoneal suction；It drives Dynamic pump installation is communicated to filter device, and filtered gas is pumped into convenient for driving pump installation；The driving pump installation is connected to Surgical instrument is intraperitoneal to be communicated to, convenient that filtered gas is circulated into intraperitoneal, environment of the realization in sealing again The lower circulation extraction for carrying out gas.The utility model provides the intracavity gas circulating treating system of laparoscopic surgery, avoids directly The smog pollution air released is discharged, does not influence intraperitoneal air pressure also to meet the requirement of operation abdominal space, sterile Realize that gas recycles extraction, even more saves CO2 gas under environment.

Detailed description of the invention

Fig. 1 is the intracavity gas circulatory system schematic diagram of one abdominal operation of the utility model embodiment；

Fig. 2 is the intracavity gas circulatory system overall structure figure of two abdominal operation of the utility model embodiment；

Fig. 3 is two filter device sectional view of the utility model embodiment；

Fig. 4 is that the utility model embodiment two drives pump installation sectional view；

Fig. 5 is two third cavity lid portion inside structure chart of the utility model embodiment；

Fig. 6 is two third interconnecting piece structure chart of the utility model embodiment；

In figure, 1-filter device, 2-driving pump installations, 3-outer driving devices, the 10-the first sealing, 11-the first Cavity lid, the 12-the second cavity lid, the 13-the first sealing ring, the 14-the second sealing ring, 20-filter cores, 21-the first Layer filter core, 22-second layer filter cores, 23-third layer filter cores, 30-first connecting portions, 40-second connecting portions, 50-the second Sealing, 51-third cavity lids, 51a-inner seat, 51b-screw hole, the 52-the four cavity lid, 54-third sealing rings, 60-driving mechanisms, 61-eccentric wheels, 61-1-gearing brace, 62-swing components, 63-support portions, 64-variable chambers, 64-1-intake valve, 64-2-extension, 65-umbrella valves, 65-1-valve plate, 70-third interconnecting pieces, 70-1-outer end, 70- 2-first shaft portions, 70-3-the second shaft portion, 70-4-third axle portion, the 4th axle portion of 70-5-, the 5th axle portion of 70-6-, 70- 7-inner ends, 71-outer bearings, 72-outer magnetic boots, 73-iron hoops, 74-inner magnetic boots, 75-inner bearings, the 80-the four interconnecting piece, 90-the five interconnecting piece, 100-connecting pipes, the abdominal cavity F-

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one:

It is the intracavity gas circulatory system schematic diagram of one abdominal operation of the utility model embodiment referring to Fig. 1, Fig. 1.

The present embodiment provides a kind of intracavity gas circulatory system of abdominal operation, for the abdominal operation in medical domain, The smog in extraction abdominal cavity F is referred specifically to, and after filtration treatment, gas is poured into again in abdominal cavity F.The abdominal cavity hand of the present embodiment The intracavity gas circulatory system of art includes, including filter device 1 and driving pump installation 2, wherein filter device 1 is connected to operation For instrument to be communicated in abdominal cavity F, driving pump installation 2 is communicated to filter device 1, and driving pump installation 2 is connected to surgical instrument with even Lead in abdominal cavity F, in particular to, driving pump installation 2 can produce driving force (for example being suction force), filter device 1 and driving Pump installation 2 is interconnected, while filter device 1 performs the operation common tool (for example being the surgical instruments such as puncture outfit) even by connection It leads in abdominal cavity F, therefore the smog generated in surgical procedure in abdominal cavity F can be extracted out under suction force effect, and filled by filtering It sets 1 and is filtered processing (for example being filtration sterilization), while driving the pump installation 2 (for example to be by perform the operation common tool of connection The surgical instruments such as puncture outfit) it is communicated in abdominal cavity F, therefore the gas after filtration treatment is circulated into abdomen using driving pump installation 2 In chamber F, the gas circulation in abdominal cavity F is so realized, the visual field for extracting the smog in surgical procedure in abdominal cavity F out to guarantee operation is clear Smog pollution air that is clear, yet avoiding direct emission from releasing, does not influence the air pressure in abdominal cavity F also, is satisfied operation abdominal cavity The requirement in space realizes that gas recycles extraction, improves the success rate of operation, even more saves CO2 gas in an aseptic environment.

Embodiment two:

It is integrally tied with Fig. 6, Fig. 2 for the intracavity gas circulatory system of two abdominal operation of the utility model embodiment referring to fig. 2 Composition, Fig. 3 are two filter device sectional view of the utility model embodiment, and Fig. 4 is that the utility model embodiment two drives pump installation Sectional view, Fig. 5 are two third cavity lid portion inside structure chart of the utility model embodiment, and Fig. 6 is the utility model embodiment two Third interconnecting piece structure chart.

The present embodiment provides a kind of intracavity gas circulatory system of abdominal operation (following abbreviation circulatory systems), are used for medicine Abdominal operation in field refers specifically to the smog in extraction abdominal cavity F, and after filtration treatment, will be by filtered gas (CO2 gas) is poured into again in abdominal cavity F.The intracavity gas circulatory system of the abdominal operation of the present embodiment includes, including filter device 1 connects outer driving device 3 and under the driving effect of outer driving device 3 with driving pump installation 2, driving pump installation 2, extracts abdomen out Smog in chamber F enters filter device 1 and after the filtering of filter device 1, is pumped into driving pump installation 2, then pour into abdominal cavity F again It is interior, it so realizes the gas circulation in abdominal cavity F, extracts the smog in surgical procedure in abdominal cavity F out to guarantee getting a clear view for operation, The smog pollution air for avoiding direct emission from releasing does not influence the air pressure in abdominal cavity F also, is satisfied operation abdominal space yet Requirement, in an aseptic environment realize gas recycle extraction, even more save CO2 gas.

Wherein, the filter device 1 in the present embodiment includes the first sealing 10 and filter core 20, and filter core 20 seals It is contained in the first sealing 10, the first sealing 10 is equipped with first connecting portion 30 and second connecting portion 40,30 connection of the first connection The inner cavity of first sealing 10 and surgical instrument are to be communicated in abdominal cavity F, and second connecting portion 40 is for being communicated to driving pump installation 2。

Specifically, in order to improve filter effect, filter core 20 includes the first layer filter core 21 set gradually, second layer filter Core 22 and third layer filter core 23, first layer filter core 21 compared to third layer filter core 23 closer to first connecting portion 30, that is, from abdomen The smog extracted out in chamber F is understood successively by 23 layering of first layer filter core 21, second layer filter core 22 and third layer filter core, in addition, The filter capacity of first layer filter core 21, second layer filter core 22 and third layer filter core 23 is progressive relationship, in the present embodiment, First layer filter core 21 was mainly the impurity such as drainage, oil, blood, broken small particle, and second layer filter core 22 and third layer filter core 23 are main If the smog that filtering out harmful matter and electric knife class equipment generate when working, e.g. sulfide, chloride, germ, microorganism Particle, smog etc., in addition, third layer filter core 23 be arranged to be v-shaped fold mesh form to increase filter area, even more into one Step improves the effect of filtering.In addition, the assembling mode of first layer filter core 21, second layer filter core 22 and third layer filter core 23 is, first Second layer filter core 22 is sealedly attached to third layer filter core 23, then first layer filter core 21 is sealedly attached to second layer filter core 22, Following two mode is specifically included, the first: first coating refractory seals in the fringe region of the filtering surface of third layer filter core 23 Glue, then stick second layer filter core 22, second layer filter core 22 are sealedly attached to third layer filter core 23 by refractory seals glue, then The fringe region of the filtering surface of second layer filter core 22 coats refractory seals glue, then sticks first layer filter core 21, first layer filter core 21 are sealedly attached to second layer filter core 22 by refractory seals glue, in this way, three inside filter core 20 layer filter core is just successively It is sealed, prevents the case where having skip floor filtering in filter process.Second: first on the side of the filtering surface of third layer filter core 23 Refractory seals glue is coated in edge region, sticks the first sealing ring 13, then coat high temperature resistant in the fringe region of the first sealing ring 13 Sealant sticks second layer filter core 22, then the fringe region of the filtering surface in second layer filter core 22 coats refractory seals glue, then First layer filter core 21 is sticked, first layer filter core 21 is sealedly attached to second layer filter core 22 by refractory seals glue, in this way, filtering Three layers of filter core inside filter core 20 are just successively sealed, and prevent the case where skip floor filtering is had in filter process.It is wherein above-mentioned Refractory seals glue generallys use is two-component viscose glue, e.g. double-component epoxy adhesive, two component polyurethane gluing Agent, with guarantee it is non-toxic to humans, can also high temperature resistant, achieve the effect that efficient sealed.

In addition, the sealing of filter core 20 is contained in the first sealing 10, it can be and receiving is sealed by refractory seals glue In the first sealing 10, specifically, three layers of filter core be just successively sealed after filter core 20, can be, be positive with filtering surface Face then uses the first sealing ring 13 and the second sealing ring 14 again plus refractory seals glue respectively in the front and back of filter core 20 Sealing is contained in the first sealing 10.Further, for convenience of the installation of filter core 20, the first sealing 10 further includes The outside of the first cavity lid 11, the second connection is arranged in one cavity lid 11 and the second cavity lid 12, first connecting portion 30 The outside of the second cavity lid 12 is arranged in portion 40, is installed to by 20 filtering surface of filter core to the direction of first connecting portion 30 Position, and use the first sealing ring 13 and the second sealing ring 14 again respectively plus refractory seals glue in the front and back of filter core 20 Sealing be contained in the first cavity lid 11 of the first sealing 10 or the second cavity lid 12 in after, the first cavity lid 11 opening is sealedly attached to the opening of the second cavity lid 12, can be and is tightly connected by refractory seals glue.In addition, from First connecting portion 30 works as smog to a big accommodation space is formd between first layer filter core 21 in the first cavity lid 11 Entering the first sealing 10 from first connecting portion 30, smog can be sunken to this big accommodation space under the effect of gravity first, In include that some bulky grain miscellaneous material gas compositions etc. can be sunken to this big accommodation space, the liquid such as vapor can be by first Layer filter core 21 filters, that is, stops to go successively to, that is, the liquid such as vapor can rest in this big accommodation space, Remaining mixing smog gas is filtered by second layer filter core 22, using third layer filter core 23, miscellaneous caused by the above filtering Matter is completely accommodated in this big accommodation space, forms an impurity collection portion, avoid these impurity rest in abdominal cavity F or It flows back into abdominal cavity F.

It is above-mentioned to be sealed about the sealing of 20 inner layers filter core of filter core and each layer filter core, filter core 20 for first The sealing in portion 10 and the sealing of the first sealing 10 itself avoid smog and leak through filter, or the situation that filtering is insufficient, protect It is best the effect that smog is filtered has been demonstrate,proved.

In the present embodiment, driving pump installation 2 includes the second sealing 50, driving mechanism 60 and third interconnecting piece 70, driving Mechanism 60 is contained in the second sealing 50, and the second sealing 50 is equipped with the 4th interconnecting piece 80 and the 5th interconnecting piece 90, the second connection Portion 40 is sealedly attached to the 5th interconnecting piece 90, to be connected to the first sealing 10 and the second sealing 50, the connection of the 4th interconnecting piece 80 The inner cavity of second sealing 50 and surgical instrument to be communicated in abdominal cavity F, for be discharged the gas of 50 inner cavity of the second sealing in In abdominal cavity F.In addition, third interconnecting piece 70 penetrates the second sealing 50, the inner end 70-7 of third interconnecting piece 70 is connected to driving machine Structure, the outer end 70-1 of third interconnecting piece 70 are removably connected to outer driving device 3.

Specifically, driving mechanism 60 is contained in the second sealing 50, and abdominal cavity F and filter device 1 and connection can be connected to Outer driving device 3 (can be driving motor) is passed through with generating suction force that the smog in abdominal cavity F is pumped into filter device 1 The filtered gas of filter device 1 is pumped into the second sealing 50, and is poured into abdominal cavity F again.In order to facilitate the peace of driving mechanism 60 Loaded on the second sealing 50, the second sealing 50 includes third cavity lid 51 and the 4th chamber lid body 52, and the 5th interconnecting piece 90 is set It sets in the outside of third cavity lid 51 to be connected to filter device 1, the outer of the 4th cavity lid 52 is arranged in the 4th interconnecting piece 80 Side is to be connected in abdominal cavity F, is sealedly attached to when driving mechanism 60 to be installed in place, then the opening of third cavity lid 51 The opening of 4th cavity lid 52 can be and is tightly connected by refractory seals glue, be also possible to using third sealing ring 54 Additional screw fixation method seals, and specifically screw hole 51b is equipped in third cavity lid 51 inner cavity, correspondingly, in third Screw hole is equally arranged in sealing ring 54 and 52 inner cavity of the 4th cavity lid, then using long screw that third cavity lid 51 and the 4th is recessed Chamber lid body 52 is tightly connected.

In addition, driving mechanism 60 is contained in the second sealing 50 and is detachably connected outer driving dress by third interconnecting piece 70 3 are set to generate suction force, under the action of clamping force (can be provided by pressing device), the outer end 70-1 of third interconnecting piece 70 It is cooperatively connected with the drive shaft of outer driving device 3 (can be driving motor), it, can at this time under the driving force of outer driving device 3 Third interconnecting piece 70 is driven to rotate so that driving pump installation 2 works, when needing replacing the driving pump installation 2, it is only necessary to Clamping force is removed, manually can be taken off the driving pump installation 2, that is, manually can be the driving pump installation 2 from outer drive It disassembles in the drive shaft of dynamic device 3, that is, can also be dismantled from outer driving device 3 without tool (screwdriver etc.) The lower driving pump installation 2, uses manpower and material resources sparingly, convenient for operating with, that is to say, that driving pump installation 2 can at any time with outer drive Dynamic device 3 is connected and disconnected from, and facilitates the dismounting and change of driving pump installation 2 or entire circulating treating system, easy to accomplish primary The requirement that property uses, the phenomenon that having prevented germ cross-infection.Further, third interconnecting piece 70 penetrates the second sealing 50, I.e. third interconnecting piece 70 passes through inner seat 51a set by the second sealing 50 and penetrates the second sealing 50, and third interconnecting piece 70 It is sealedly attached to inner seat 51a, the inner end 70-7 of third interconnecting piece 70 is connected to driving mechanism, the outer end 70- of third interconnecting piece 70 1 is removably connected to outer driving device 3.More specifically, third interconnecting piece 70 can be magnetic metal axis, third interconnecting piece 70 is logical It crosses magnet fluid sealing and is connected to inner seat 51a, from outside to inside, inner seat 51a is equipped with the first inner wall, the second inner wall, third inner wall, the 4th Inner wall, the 5th inner wall, and successively accommodate outer bearing 71, outer magnetic boots 72, iron hoop 73, inner magnetic boots 74 and inner bearing 75, wherein first Inner wall and outer bearing 71 are interference fitted, and the second inner wall and outer magnetic boots 72 are interference fitted, and third inner wall and iron hoop 73 are interference fitted, the Four inner walls and inner magnetic boots 74 are interference fitted, and the 5th inner wall and inner bearing 75 are interference fitted.In addition, from outside to inside, third interconnecting piece 70 are equipped with outer end 70-1, first shaft portion 70-2, the second shaft portion 70-3, third axle portion 70-4, the 4th axle portion 70-5, the 5th axle portion 70-6 and inner end 70-7, wherein first shaft portion 70-2 and 71 clearance fit of outer bearing, between the second shaft portion 70-3 and outer magnetic boots 72 Gap cooperation, third axle portion 70-4 and 73 clearance fit of iron hoop, the 4th axle portion 70-5 and 74 clearance fit of inner magnetic boots, the 5th axle portion 70-6 and 75 clearance fit of inner bearing, gap, the 4th axle portion 70-5 and interior magnetic between the second shaft portion 70-3 and outer magnetic boots 72 Gap between boots 74 instills magnetic fluid, and magnetic fluid, which is adsorbed in gap, realizes sealing, and third interconnecting piece 70 drives dress outside Set rotary motion under 3 driving.

In addition, the outer end 70-1 of third interconnecting piece 70 is equipped with groove, cross recess or a word groove can be, and cross is recessed The trough rim of slot and a word groove is in arc-shaped so that it is convenient to be connected to outer driving device 3, cross recess or a word in any angle The drive shaft of groove and outer driving device 3 is cooperatively connected, and can be but is not limited to, pressing device clamping force it Under, the insertion of protrusion set by the drive shaft of above-mentioned cross recess or a word groove by driving motor is existed at this time with realizing cooperation Under the driving force of driving motor, third interconnecting piece 70 can be driven to rotate so that the driving work of pump installation 2, is needing replacing the driving When pump installation 2, it is only necessary to remove the clamping force of pressing device, manually can be taken off the driving pump installation 2, also It is that the driving pump installation 2 can manually be disassembled from the drive shaft of driving motor, that is, be not necessarily to tool (such as screw Knife etc.) the lower driving pump installation 2 can also be dismantled from outer driving device 3, it uses manpower and material resources sparingly, convenient for operating with.

In addition, driving mechanism 60 includes eccentric wheel 61, swing component 62 and variable chamber 64.Wherein, 61 bottom end of eccentric wheel with The inner end 70-7 of third interconnecting piece 70 is fixedly connected, and specifically inner end 70-7 is in semicircle tooth form, and 61 bottom end of eccentric wheel is equipped with and half Semicircle orifice that knuckle-tooth shape matches simultaneously accommodates inner end 70-7, prevents eccentric wheel 61 from axial direction occurs with the rotation of third interconnecting piece 70 Rotation, in order to further position inner end 70-7 in 61 bottom end semicircle orifice of eccentric wheel, semicircle orifice side wall opens up threaded hole, spiral shell Nail screws in threaded hole and abuts inner end semicircle orifice to be fixedly connected with eccentric wheel 61 in third interconnecting piece 70, including determining axially and radially Position, in addition, 75 top end face of inner bearing is mutually abutted with 61 bottom face of eccentric wheel, further to limit third interconnecting piece 70 in axial direction Movement on direction.

Further, the top of eccentric wheel 61 is connect with swing component 62, and the top of swing component 62 can abut to variable chamber 64, Extrudable variable chamber 64, in order to guarantee that the top of swing component 62 reliably abuts to variable chamber 64, at the bottom of variable chamber 64 End sets an extension 64-2, and extension 64-2 detachably passes through the top of swing component 62, and extension 64-2 is passing through swing component The part on 62 tops is equipped with the protrusion that a limitation swing component 62 is detached from extension 64-2 under without manpower effect.More into one Step, variable chamber 64 are equipped with intake valve 64-1, can be mode or check valve of a self-closing seal etc., as long as energy Realize air inlet from this and cannot from this outlet, that is, one-way air inlet.When variable chamber 64 is squeezed by swing component 62 When, intake valve 64-1 is opened, and the gas in third cavity lid 51 enters in variable chamber 64, when variable chamber 64 resets, Intake valve 64-1 is closed, and the gas in variable chamber 64 cannot be flowed out from intake valve 64-1.In addition, the 4th cavity lid 52 includes Exhaust valve and gas collection chamber, exhaust valve include the exhaust check valve that umbrella valve 65 and valve plate 65-1 are composed, and exhaust is unidirectional Valve is connected to gas collection chamber, the 4th interconnecting piece 80 of gas collection chamber by sealing glue, and variable chamber 64 is put When moving part 62 squeezes, pressure value has reached the valve value of exhaust valve, and exhaust valve is opened, and the gas in variable chamber 64 enters gas Collection chamber is simultaneously discharged by the 4th interconnecting piece 80, and when variable chamber 64 resets, exhaust check valve is closed, that is, gas The indoor gas of collecting chamber cannot flow back into variable chamber 64, and variable chamber 64 may be configured as leather cup or air bag in the present embodiment Deng as long as being able to achieve the set-up mode for being squeezed to create internal pressure variation.Specifically, whenever 64 quilt of variable chamber When swing component 62 squeezes, exhaust valve is opened, and the gas of variable chamber 64 is extruded dispatch outward, to guarantee the second sealing 50 Middle pressure balance, therefore the make-up gas from filter device 1 is needed in the second sealing 50, and need in filter device 1 from abdomen It is supplemented in chamber F, that is, the smog in abdominal cavity F is drawn into filter device 1 and filters by filter core 20, is supplemented to second In sealing 50, then passes through the intake valve 64-1 that variable chamber 64 is opened and enter variable chamber 64, then the exhaust list by opening It is circulated into abdominal cavity F again to valve, realizes the gentle body circulation of the processing of smog.

More specifically, the top of eccentric wheel 61, which is equipped with, interlocks brace 61-1, brace 61-1 is interlocked from the top of eccentric wheel 61 Inclination extends upwardly, and the bottom end of swing component 62 is equipped with the connecting hole with gearing brace 61-1 cooperation, to realize that swing component 62 can With eccentric wheel 61 move and move back and forth, that is, swing component 62 can with 61 rotary motion of eccentric wheel reciprocally swinging, further Ground, according to the range of driving revolving speed, swing component 62 also can be set multiple oscillating wings, can be two, three, four, five It is a, six etc., matched variable chamber 64 can set up the variable chamber locellus of corresponding number separately, and intake valve 64-1 can set up correspondence separately Quantity divides intake valve, and what exhaust valve can set up corresponding number separately divides exhaust valve.Oscillating wing is reciprocal with the rotation of eccentric wheel 61 When swing, that is, variable chamber locellus is squeezed by oscillating wing in turn, and is resetted, and whenever variable chamber locellus is squeezed by oscillating wing When, pressure value has reached the valve value for dividing exhaust valve, and exhaust valve is divided to open, and the indoor gas of variable chamber point is extruded toward outlet It send, to guarantee pressure balance in the second sealing 50, therefore needs the make-up gas from filter device 1 in the second sealing 50, And it needs to supplement out of abdominal cavity F in filter device 1, that is, smog in abdominal cavity F is drawn into filter device 1 and by filtering filter Core 20 filters, and is supplemented into the second sealing 50, enters each variable chamber locellus by each point of intake valve, then by each Point exhaust valve is circulated into again in abdominal cavity F, realizes the gentle body circulation of the processing of smog, filtration treatment it is more efficient, gas follows Ring it is more efficient.

In addition, if the first sealing 10 and the second sealing 50 are set as sharing a cavity wall, then the first sealing 10 Connection between the second sealing 50 only needs to open up through-hole, that is to say, that second connecting portion 40 and the 5th interconnecting piece 90 be the both ends open of the through-hole respectively, in addition, when the first sealing 10 and the second sealing 50 are separately provided, in order to flexible Filter device 1 is set and drives the mounting distance between pump installation 2, it is close by connecting pipe 100 to can be second connecting portion 40 Envelope is connected to the 5th interconnecting piece 90, can arbitrarily select the length of interface channel 100, the both ends connector point of interface channel 100 It is not connected with second connecting portion 40, the 5th interconnecting piece 90 interference fit, to realize sealing, specifically, connecting pipe 100 can be set Silica gel hose or other connecting components are set to be connected to the first sealing 10 and the second sealing 50.

At intracavity gas circulation provided in this embodiment including filter device 1 and the laparoscopic surgery for driving pump installation 2 Reason system, sealing accommodate the first sealing 10 of filter core 20 and accommodate the second sealing 50 of driving mechanism 60, connect each other It while logical, is only connected to abdominal cavity F, the third interconnecting piece 70 for being connected to outer driving device 3 is even more to pass through Magneticfluid Seal Technique It is sealedly attached to the second sealing 50, penetrates the second sealing 50 to drive driving mechanism 60, which is sealing Realize that gas recycles extraction under gnotobasis, in addition, driving device 3 can be connected to outside the circulating treating system at any time and from drive It is dismantled on dynamic device 3, is even more convenient for the replacement of circulating treating system, disposable requirement is realized, because having for some After the patient's use for infecting illness, the phenomenon that cannot being recycled again, prevent germ cross-infection.

Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair The utility model is described in detail, it will be appreciated by those skilled in the art that can to the technical solution of the utility model into Row, which is modified, or equivalent replacement is without departing from the objective and range of the technical program should all cover the power in the utility model In sharp claimed range.

Claims (15)

1. a kind of intracavity gas circulating treating system of laparoscopic surgery, it is characterised in that:

Including filter device and driving pump installation；

It is intraperitoneal to be communicated to that the filter device is connected to surgical instrument, and the driving pump installation is communicated to the filtering dress It sets, it is described intraperitoneal to be communicated to that the driving pump installation is connected to the surgical instrument.

2. the intracavity gas circulating treating system of laparoscopic surgery according to claim 1, it is characterised in that:

The filter device includes the first sealing and filter core, and the filter core sealing is contained in first sealing Portion, first sealing are equipped with first connecting portion；

The first connecting portion be connected to first sealing inner cavity and the surgical instrument it is described intraperitoneal to be communicated to；

The driving pump installation includes the second sealing, driving mechanism and third interconnecting piece, and the driving mechanism is contained in described Second sealing, second sealing are equipped with the 4th interconnecting piece；

First sealing and second sealing are interconnected；

4th interconnecting piece be connected to second sealing inner cavity and the surgical instrument it is described intraperitoneal to be communicated to；

The third interconnecting piece penetrates second sealing, and the inner end of the third interconnecting piece is connected to the driving mechanism, The outer end of the third interconnecting piece is removably connected to outer driving device.

3. the intracavity gas circulating treating system of laparoscopic surgery according to claim 2, it is characterised in that:

The filter core includes the first layer filter core, second layer filter core and third layer filter core set gradually；

The first layer filter core compares the third layer filter core closer to the first connecting portion.

4. the intracavity gas circulating treating system of laparoscopic surgery according to claim 3, it is characterised in that:

The second layer cartridge seal is connected to the third layer filter core；

The first layer cartridge seal is connected to the second layer filter core.

5. the intracavity gas circulating treating system of laparoscopic surgery according to claim 4, it is characterised in that: described first Sealing is additionally provided with second connecting portion, and second sealing is additionally provided with the 5th interconnecting piece, and the second connecting portion is tightly connected In the 5th interconnecting piece, to be connected to first sealing and second sealing.

6. according to the intracavity gas circulating treating system of any laparoscopic surgery of claim 2-5, it is characterised in that:

The driving mechanism includes eccentric wheel, swing component and variable chamber；

The bottom end of the eccentric wheel is connected to the inner end of the third interconnecting piece, and the top of the eccentric wheel is connected to the swing Part, the top of the swing component can abut to the variable chamber and can extrude the variable chamber.

7. the intracavity gas circulating treating system of laparoscopic surgery according to claim 6, it is characterised in that: the bias The top of wheel, which is equipped with, interlocks brace, and the gearing brace tilts upwardly from the top of the eccentric wheel to be extended, the swing component Bottom end be equipped with the connecting hole with the gearing brace cooperation, the swing component can move with the wobbler action.

8. the intracavity gas circulating treating system of laparoscopic surgery according to claim 7, it is characterised in that: described variable Chamber is equipped with intake valve, and when the variable chamber is squeezed by the swing component, the intake valve is opened, when the variable chamber is multiple When position, the intake valve is closed.

9. the intracavity gas circulating treating system of laparoscopic surgery according to claim 8, it is characterised in that: the driving Mechanism further includes exhaust valve, and the exhaust valve is connected to the variable chamber, when the variable chamber is squeezed by the swing component, The exhaust valve is opened, when the variable chamber resets, the exhaust valve closure.

10. the intracavity gas circulating treating system of laparoscopic surgery according to claim 9, it is characterised in that: it is described can Become chamber and is set as leather cup or air bag.

11. the intracavity gas circulating treating system of laparoscopic surgery according to claim 10, it is characterised in that: described Three interconnecting pieces are magnetic metal axis.

12. the intracavity gas circulating treating system of laparoscopic surgery according to claim 11, it is characterised in that: described Three interconnecting pieces pass through inner seat set by second sealing and penetrate second sealing, and the third interconnecting piece sealing connects It is connected to the inner seat.

13. the intracavity gas circulating treating system of laparoscopic surgery according to claim 12, it is characterised in that: described Three interconnecting pieces are connected to the inner seat by magnet fluid sealing.

14. the intracavity gas circulating treating system of laparoscopic surgery according to claim 13, it is characterised in that: described It is cross recess or a word groove that three interconnecting piece outer ends, which are equipped with section, is removably connected to outer driving device.

15. the intracavity gas circulating treating system of laparoscopic surgery according to claim 14, it is characterised in that: described recessed The trough rim of slot is in arc-shaped.