CN210409855U - Smoke suction and filtration device for endoscopic surgery - Google Patents
Smoke suction and filtration device for endoscopic surgery Download PDFInfo
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- CN210409855U CN210409855U CN201920775947.8U CN201920775947U CN210409855U CN 210409855 U CN210409855 U CN 210409855U CN 201920775947 U CN201920775947 U CN 201920775947U CN 210409855 U CN210409855 U CN 210409855U
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Abstract
The utility model discloses a smoke suction and filtration device for endoscopic surgery, which comprises a smoke guide pipe and a filtration device, wherein the smoke guide pipe is connected with an exhaust port of an endoscope, a flow velocity regulating valve is arranged, and the rear end of the smoke guide pipe is fixedly connected with the filtration device; filter equipment is including dismantling each other and sealed front end filter, middle filter and the rear end filter that links up, and built-in dry-type filter fibre of front end filter and wet-type filter fibre, filter in the middle of the rear end links up, sets up a plurality of active carbon filter layers in the middle filter, and the rear end links up the rear end filter, the rear end filter includes the miniature air pump of the condensation pipeline of anterior segment, interlude and the cavity of back end, installs gas discharge valve and liquid discharge valve on the cavity. The multi-stage filtration of the smoke is realized through the filter device, and harmful substances and peculiar smell in the smoke are filtered; the utility model has the advantages of reasonable design, small and exquisite practicality, do not occupy the operation space, be fit for medical institution and use widely.
Description
Technical Field
The utility model relates to an endoscope removes smoke technical field, specificly relates to an endoscope operation smog attracts filter equipment.
Background
The endoscopic surgery becomes a minimally invasive surgery widely developed in clinic due to small trauma and quick recovery, and along with the increasing variety of the surgery, a plurality of energy instruments with good cutting and hemostasis effects, such as an electric hook, bipolar coagulation and an ultrasonic knife, are appeared, but the instruments generally generate smoke in the using process, and the harm of the smoke is manifold: the smoke can not clearly expose the anatomical structure, thereby increasing the operation difficulty; the smoke causes the operation to be stopped for many times, thereby obviously prolonging the operation time; the smog increases the cleaning times of the lens, and accelerates the depreciation and damage of the lens; the smoke is discharged in the operating room, and the operator passively inhales people for a long time, so that harm is possibly caused; the smoke generated by laparoscopic surgery cannot be timely exhausted, resulting in an increase in the concentration of C0 Hb. The former method is to open the valve of the puncture outfit to discharge smoke until the visual field is clear and then close the valve, which makes the inventor forced to stop the operation repeatedly, especially the effect of stopping bleeding in time when bleeding; if the valve is not closed in time, the pneumoperitoneum pressure is reduced, the valve needs to be closed, and the operation can be continued after the pneumoperitoneum pressure rises again, so that the operation continuity is broken.
In the prior art, smoke generated in laparoscopic surgery is generally led to a filter flask through a conduit and is discharged after being filtered, the smoke can be filtered to a certain extent by adopting the mode, but on one hand, the filter flask is large and can only be placed at the bottom of an operating bed, the use is also inconvenient, and the controllability and the operability are poor; on the other hand, the smoke is filtered and purified in a single mode, so that the purification effect is poor, medical staff and patients are injured, and the expectation cannot be reached; meanwhile, the conventional drainage needs to be maintained under negative pressure, but the simple negative pressure suction is difficult to control, so that the sudden drop of pneumoperitoneum pressure is easily caused while smoke is sucked away, the collapse of an operation space is caused, and the operation process is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a smoke suction and filtration device for endoscopic surgery, which realizes the multi-stage filtration of smoke through the filtration device and filters harmful substances and peculiar smell in the smoke; the utility model has the advantages of reasonable design, small and exquisite practicality, do not occupy the operation space, be fit for medical institution and use widely.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a smoke suction and filtration device for endoscopic surgery comprises a smoke guide pipe and a filtration device, wherein the smoke guide pipe is connected with an endoscopic exhaust port, a flow velocity regulating valve is installed, and the rear end of the smoke guide pipe is fixedly connected with the filtration device;
filter equipment is including dismantling each other and sealed front end filter, middle filter and the rear end filter that links up, and built-in dry-type filter fibre of front end filter and wet-type filter fibre, filter in the middle of the rear end links up, sets up a plurality of active carbon filter layers in the middle filter, and the rear end links up the rear end filter, the rear end filter includes the miniature air pump of the condensation pipeline of anterior segment, interlude and the cavity of back end, installs gas discharge valve and liquid discharge valve on the cavity.
Furthermore, wet filter fibers and dry filter fibers are sequentially arranged in the shell of the front-end filter from the front end;
the wet filter fibers and the dry filter fibers are acetate fibers or polylactic acid fibers.
Furthermore, the rear end of the shell of the front-end filter is a detachable rear cover, the circumferential center of the rear cover is connected with the middle filter through a connecting seat, and the rear end of the shell of the middle filter is also provided with a detachable rear cover and is connected with the rear-end filter.
Furthermore, the interval of the active carbon filter layers in the intermediate filter is sequentially reduced from front to back.
Furthermore, an annular circulating pipeline is arranged between the outer wall of the condensation pipeline of the rear-end filter and the rear-end filter shell in a surrounding manner, and a water inlet and a water outlet are formed in the rear-end filter shell;
the diameter of the condensing pipeline is not more than one third of the diameter of the rear end filter shell.
Furthermore, the rear end of the condensation pipeline of the rear-end filter is connected with an air inlet of a micro air pump, the micro air pump unidirectionally leads air out from the end of the condensation pipeline to the hollow cavity at the rear end, a control switch of the micro air pump is positioned on the outer wall of the rear-end filter shell,
furthermore, the hollow cavity is symmetrically provided with a gas discharge valve and a liquid discharge valve, the gas discharge valve is a silica gel film capable of being punctured, puncture air is discharged through a puncture needle, and the end of the liquid discharge valve is guided and discharged through a drainage tube or negative pressure drainage is realized.
The utility model discloses a theory of operation: the smoke suction and filtration device for the endoscopic surgery comprises a smoke guide pipe and a filtration device, wherein the smoke guide pipe is connected with an endoscopic exhaust port, a flow rate regulating valve is installed, and the rear end of the smoke guide pipe is fixedly connected with the filtration device; continuous smoke filtration is realized by a micro air pump at the rear end of the filter device, when the micro air pump works, smoke in the cavity reaches the filter device through a smoke guide pipe, and reaches the micro air pump through filtration, adsorption and purification in sequence, and the purified gas reaches a hollow cavity at the rear end by the micro air pump; the liquid discharge valve end of the hollow cavity is drained in a diversion mode through the drainage tube or negative pressure drainage is achieved, liquid after smoke condensation is clear, or negative pressure is conducted to remove smoke rapidly.
The utility model has the advantages that: the utility model discloses a smoke suction and filtration device for endoscopic surgery, which comprises a smoke guide pipe and a filtration device, wherein the smoke guide pipe is connected with an endoscopic exhaust port, a flow velocity regulating valve is arranged, and the rear end of the smoke guide pipe is fixedly connected with the filtration device; firstly, the smoke conduit is provided with a flow rate regulating valve, so that the smoke in the abdominal cavity can be led out from the abdominal cavity relatively continuously and stably through the miniature air pump, the control is relatively easy, and sudden pressure drop in the cavity can not be caused; secondly, the smoke passes through a dry filter fiber and a wet filter fiber of a front-end filter in sequence under the action of a miniature air pump to realize the adsorption of harmful substances such as macromolecular particles in the smoke, and meanwhile, cigarette filter tip materials such as acetate fibers or polylactic acid fibers are adopted, so that on one hand, the temperature can be relatively reduced, on the other hand, part of harmful substances in the smoke can be adsorbed, then, the preliminarily filtered smoke reaches an active carbon filter layer in an intermediate filter to adsorb peculiar smell and filter the harmful substances, the interval of the active carbon filter layers at the rear end of the front end is sequentially reduced, the effective smoke filtration is realized, after the filtered smoke passes through a condensing pipeline, part of harmful gas is condensed into liquid and then reaches a liquid discharge valve of a hollow cavity to be led out, and the purified gas which is harmless to a human body is discharged from the gas; meanwhile, the liquid discharge valve end of the hollow cavity is drained in a diversion mode through the drainage tube or negative pressure drainage is achieved, liquid after smoke condensation is removed, or negative pressure rapid smoke removal is carried out; the smoke suction and filtration device for endoscopic surgery of the utility model has the advantages that the filtration device can be designed to be very small and exquisite, can be used by hand, and is convenient and practical, and the filters are all provided with the rear covers, and the internal filtration units can be replaced; the utility model has the advantages of reasonable design, do not occupy the operation space, be fit for medical institution and use widely.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a smoke suction filter device for endoscopic surgery according to an embodiment of the present invention;
FIG. 2 is a schematic connection diagram of the smoke suction filter device for endoscopic surgery according to the embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the smoke sucking and filtering device for endoscopic surgery according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of the smoke suction filter device for endoscopic surgery according to the embodiment of the present invention;
FIG. 5 is a schematic view of the smoke suction filter device for endoscopic surgery according to the embodiment of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-filter unit, 2-smoke conduit, 201-smoke conduit, 3-front filter, 301-wet filter fiber, 302-dry filter fiber, 4-middle filter, 401-activated carbon filter layer, 5-rear filter, 501-condensation pipeline, 502-micro air pump, 503-hollow cavity, 504-gas discharge valve, 505-liquid discharge valve, 6-rear cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5
A smoke suction and filtration device for endoscopic surgery comprises a smoke guide pipe 2 and a filtration device 1, wherein the smoke guide pipe 2 is connected with an endoscopic exhaust port, a flow rate regulating valve 201 is installed, and the rear end of the smoke guide pipe is fixedly connected with the filtration device 1;
filter equipment 1 is including dismantling each other and sealed front end filter 3, middle filter 4 and the rear end filter 5 who links up, and front end filter 3 embeds dry-type filter 302 and wet-type filter fibre 301, and filter 4 in the middle of the rear end links up, sets up a plurality of active carbon filter layers 401 in middle filter 4, and rear end links up rear end filter 5, rear end filter 5 includes the miniature air pump 502 of the condensation pipeline 501, the interlude of anterior segment and the cavity 503 of back end, installs gas discharge valve 504 and liquid discharge valve 505 on the cavity 503.
the wet filter fibers 302 and the dry filter fibers 302 are acetate fibers or polylactic acid fibers.
The casing rear end of front end filter 3 is detachable back lid 6, and 6 circumference centers of back lid link up with middle filter 4 for the linking seat that switches on, and the rear end of 4 casings of middle filter also is equipped with detachable back lid 6 and links up with rear end filter 5.
The interval of the activated carbon filter layers 401 in the intermediate filter 4 becomes smaller from front to back in sequence.
An annular circulating pipeline is arranged between the outer wall of the condensing pipeline 501 of the rear-end filter 5 and the shell of the rear-end filter 5 in a surrounding manner, and a water inlet and a water outlet are formed in the annular circulating pipeline;
the diameter of the condensation line 501 is no more than one third of the diameter of the housing of the rear filter 5.
The rear end of the condensation pipeline 501 of the rear filter 5 is connected with the air inlet of the micro air pump 502, the micro air pump 502 unidirectionally leads the air out of the hollow cavity 503 at the rear end from the end of the condensation pipeline 501, the control switch of the micro air pump 502 is positioned on the outer wall of the shell of the rear filter 5,
the hollow cavity 5 is symmetrically provided with a gas discharge valve 504 and a liquid discharge valve 505, the gas discharge valve 504 is a silica gel film capable of being punctured, puncture air is discharged through a puncture needle, and the end of the liquid discharge valve 505 is guided and discharged through a drainage tube or negative pressure drainage is realized.
The technical solution of the present invention is described below with reference to the following specific embodiments:
example 1
A smoke suction and filtration device for endoscopic surgery comprises a smoke guide pipe 2 and a filtration device 1, wherein the smoke guide pipe 2 is connected with an endoscopic exhaust port, a flow rate regulating valve 201 is installed, and the rear end of the smoke guide pipe is fixedly connected with the filtration device 1;
the filter device 1 comprises a front end filter 3, a middle filter 4 and a rear end filter 5 which are mutually detachable and hermetically connected, wherein the front end filter 3 is internally provided with dry filter fibers 302 and wet filter fibers 301, the rear end of the front end filter is connected with the middle filter 4, a plurality of activated carbon filter layers 401 are arranged in the middle filter 4, the rear end of the front end filter is connected with the rear end filter 5, the rear end filter 5 comprises a front section condensation pipeline 501, a middle section micro air pump 502 and a rear section hollow cavity 503, and a gas discharge valve 504 and a liquid discharge valve 505 are arranged on the hollow cavity 503;
when the smoke suction and filtration device for endoscopic surgery is used as a continuous and stable smoke filtration and purification device in the cavity, the micro air pump 502 is switched on to stably work, and the smoke of the filtration device and the smoke guide pipe 2 is stably sucked out;
continuous smoke filtration is realized by a micro air pump 502 at the rear end of the filter device 1, when the micro air pump 502 works, smoke in the cavity reaches the filter device 1 through a smoke conduit 2, and reaches the micro air pump 502 through filtration, adsorption and purification in sequence, and the purified gas reaches a hollow cavity 503 at the rear end by the micro air pump 502; the liquid discharge valve end of the hollow cavity is drained in a diversion way through the drainage tube;
in the process: firstly, the smoke conduit 2 is provided with the flow rate regulating valve 201, so that the smoke in the abdominal cavity can be led out from the abdominal cavity relatively continuously and stably through the miniature air pump 502, the control is relatively easy, and sudden pressure drop in the cavity can not be caused; secondly, the smoke passes through the dry filter fibers 302 and the wet filter fibers 301 of the front-end filter 3 in sequence under the action of the micro air pump 502 to realize the adsorption of harmful substances such as macromolecular particles in the smoke, meanwhile, cigarette filter tip materials such as acetate fibers or polylactic acid fibers are adopted, on one hand, the temperature can be relatively reduced, on the other hand, part of harmful substances in the smoke can be adsorbed, then, the preliminarily filtered smoke reaches the active carbon filter layer 401 in the middle filter 4 to adsorb peculiar smell and filter harmful substances, the interval of the active carbon filter layer 401 at the rear end of the front end is sequentially reduced, the effective smoke filtration is realized, after the filtered smoke passes through the condensing pipeline 501, part of harmful gases are condensed into liquid and then reach the liquid discharge valve 505 of the hollow cavity 503 to be discharged, and the purified gases harmless to human bodies are discharged from the gas discharge valve 504;
thereby realizing the suction and filtration of smoke in the endoscopic surgery, ensuring the surgical field of vision and simultaneously realizing the purification of the smoke in the endoscopic surgery stably and effectively, and avoiding the discharge from causing harm to medical care personnel; the filter device can be designed to be very small and exquisite and can be used by hands, the filters are all provided with rear covers, the internal filter units can be replaced, and the filter device is convenient and practical; the utility model has the advantages of reasonable design, do not occupy the operation space, be fit for medical institution and use widely.
Example 2
When the smoke suction and filtration device for endoscopic surgery is required to be rapidly cleared, according to the smoke suction and filtration device for endoscopic surgery described in the embodiment 1:
the liquid discharge valve 504 end of the hollow cavity 503 is drained or negative pressure drainage is realized through drainage tube diversion, and liquid after smoke condensation is removed or negative pressure rapid smoke removal is carried out;
namely, the end of the liquid discharge valve 504 is connected with a negative pressure source, the smoke in the cavity is rapidly led out under the action of the negative pressure source, and meanwhile, the purification link in the leading-out process is not changed, and the smoke can be purified.
The smoke suction and filtration device for endoscopic surgery of the utility model has the advantages that the filtration device can be designed to be very small and exquisite, can be used by hand, and is convenient and practical, and the filters are all provided with the rear covers, and the internal filtration units can be replaced; the utility model has the advantages of reasonable design, do not occupy the operation space, be fit for medical institution and use widely.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an laparoscopic surgery smog attracts filter equipment which characterized in that: the smoke guide pipe is connected with an exhaust port of the endoscope, a flow speed regulating valve is installed, and the rear end of the smoke guide pipe is fixedly connected with the filtering device;
filter equipment is including dismantling each other and sealed front end filter, middle filter and the rear end filter that links up, and built-in dry-type filter fibre of front end filter and wet-type filter fibre, filter in the middle of the rear end links up, sets up a plurality of active carbon filter layers in the middle filter, and the rear end links up the rear end filter, the rear end filter includes the miniature air pump of the condensation pipeline of anterior segment, interlude and the cavity of back end, installs gas discharge valve and liquid discharge valve on the cavity.
2. An endoscopic surgical smoke suction filter according to claim 1, wherein: the wet-type filter fibers and the dry-type filter fibers are sequentially arranged in the shell of the front-end filter from the front end;
the wet filter fibers and the dry filter fibers are acetate fibers or polylactic acid fibers.
3. An endoscopic surgical smoke suction filter according to claim 1, wherein: the rear end of the shell of the front-end filter is a detachable rear cover, the circumferential center of the rear cover is connected with the middle filter through a connecting seat, and the rear end of the shell of the middle filter is also provided with a detachable rear cover and is connected with the rear-end filter.
4. An endoscopic surgical smoke suction filter according to claim 1, wherein: the interval of the active carbon filter layers in the middle filter is sequentially reduced from front to back.
5. An endoscopic surgical smoke suction filter according to claim 1, wherein: an annular circulating pipeline is arranged between the outer wall of the condensation pipeline of the rear-end filter and the rear-end filter shell in a surrounding manner, and a water inlet and a water outlet are formed in the rear-end filter shell;
the diameter of the condensation pipeline is not more than one third of the diameter of the rear end filter shell.
6. An endoscopic surgical smoke suction filter according to claim 1, wherein: the rear end of a condensation pipeline of the rear-end filter is connected with an air inlet of a miniature air pump, the miniature air pump unidirectionally guides air out of a hollow cavity at the rear end from the end of the condensation pipeline, and a control switch of the miniature air pump is positioned on the outer wall of the rear-end filter shell.
7. An endoscopic surgical smoke suction filter according to claim 1, wherein: the hollow cavity is symmetrically provided with a gas discharge valve and a liquid discharge valve, the gas discharge valve is a silica gel film capable of being punctured, puncture air is discharged through a puncture needle, and the end of the liquid discharge valve is guided and discharged through a drainage tube or negative pressure drainage is realized.
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CN201920775947.8U CN210409855U (en) | 2019-05-27 | 2019-05-27 | Smoke suction and filtration device for endoscopic surgery |
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CN201920775947.8U CN210409855U (en) | 2019-05-27 | 2019-05-27 | Smoke suction and filtration device for endoscopic surgery |
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CN201920775947.8U Expired - Fee Related CN210409855U (en) | 2019-05-27 | 2019-05-27 | Smoke suction and filtration device for endoscopic surgery |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113520569A (en) * | 2021-06-26 | 2021-10-22 | 合肥德易电子有限公司 | Cavity smoke eliminating device for abdominal operation |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113520569A (en) * | 2021-06-26 | 2021-10-22 | 合肥德易电子有限公司 | Cavity smoke eliminating device for abdominal operation |
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Granted publication date: 20200428 Termination date: 20210527 |
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