CN213098388U - Smoke exhaust device for endoscopic surgery - Google Patents
Smoke exhaust device for endoscopic surgery Download PDFInfo
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- CN213098388U CN213098388U CN202021412489.0U CN202021412489U CN213098388U CN 213098388 U CN213098388 U CN 213098388U CN 202021412489 U CN202021412489 U CN 202021412489U CN 213098388 U CN213098388 U CN 213098388U
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Abstract
The utility model relates to an laparoscopic surgery fume extractor, it includes: the inner cavity of the shell comprises an accommodating cavity, a first absorption cavity and a second absorption cavity, and an exhaust pipe for connecting the first absorption cavity and the second absorption cavity is arranged in the accommodating cavity; an exhaust hole communicated with the exhaust pipe is formed in the side wall of the upper part of the first absorption cavity, and an air inlet communicated with the exhaust pipe is formed in the side wall of the lower part of the second absorption cavity; the guide pipe comprises a hard pipe and a hose connected with the hard pipe, the hard pipe is arranged in the first absorption cavity, and the end part of the hard pipe is inserted into the distilled water in the first absorption cavity; the hose is arranged outside the first absorption cavity, the end part of the hose is provided with threads, and the hose is provided with a one-way valve. The utility model discloses simple structure, reasonable in design, the medical personnel of being convenient for operate, can effectively solve the problem that carbon dioxide saturation back smog absorption efficiency is low in aqueous.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specific saying so relates to an laparoscopic surgery fume extractor.
Background
The laparoscopic surgery is a newly developed minimally invasive method and is an inevitable trend for the development of future surgical methods; the laparoscopic surgery is a surgery performed by using a laparoscope and related instruments, and before the laparoscopic surgery, a doctor can squeeze carbon dioxide gas into a patient body to keep a good space and a good visual field.
Patent ZL201621040905 discloses a smoke purifier for laparoscopic surgery, which is connected with an absorption bottle by a negative pressure device, and the absorption bottle is connected with an abdominal cavity; the negative pressure device reduces the pressure in the absorption bottle to make the smoke (containing carbon dioxide) in the abdominal cavity flow into the absorption bottle and be absorbed by the water in the absorption bottle. However, carbon dioxide has a certain solubility in water, and when carbon dioxide in smoke is saturated in water, the absorption effect of water on smoke is reduced, and even the absorption of smoke is stopped, so that the absorption efficiency of the device on smoke is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can carry out smog automatically and absorb and can effectively get rid of the intracavity smog of abdomen, solve the laparoscopic surgery fume extractor of the problem of carbon dioxide smog absorption inefficiency after the aquatic saturation.
In order to solve the above problems, the utility model adopts the following technical proposal:
an endoscopic surgery fume extractor, comprising:
the inner cavity of the shell comprises an accommodating cavity, a first absorption cavity and a second absorption cavity, and an exhaust pipe for connecting the first absorption cavity and the second absorption cavity is arranged in the accommodating cavity; an exhaust hole communicated with the exhaust pipe is formed in the side wall of the upper part of the first absorption cavity, and an air inlet communicated with the exhaust pipe is formed in the side wall of the lower part of the second absorption cavity;
the catheter comprises a hard pipe and a hose connected with the hard pipe, and the hard pipe is arranged inside the first absorption cavity; the hose is arranged outside the first absorption cavity, the end part of the hose is provided with threads, and the hose is provided with a one-way valve.
As a further improvement of the present invention, it further comprises a poking card connected to the end of the hose, the hose and the poking card being screwed together.
As a further improvement of the utility model, the utility model also comprises a silencing cap which is sleeved on the end part of the hard tube; and the silencing cap is provided with a plurality of communicated silencing holes.
As a further improvement of the utility model, the outer wall of the first absorption cavity is provided with scale marks, and the measuring unit of the scale marks is mmHg.
As a further improvement of the utility model, first absorption chamber upper portion is equipped with first sealed lid, first sealed lid with the integrative setting of hard tube.
As a further improvement of the utility model, the second sealing cover is arranged on the upper part of the second absorption cavity.
As a further improvement of the utility model, the sealed connecting hole that is equipped with of second, be equipped with dustproof cap on the connecting hole.
As a further improvement of the utility model, the manufacturing material of the shell is transparent material.
As a further improvement of the utility model, the first absorption cavity is filled with liquid for generating pressure difference, and the end part of the hard pipe is positioned in the liquid.
As a further improvement of the utility model, an absorber for absorbing carbon dioxide is arranged in the second absorption cavity.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
one end of the catheter of the utility model is inserted into the first absorption cavity, the other end of the catheter enters the abdominal cavity of the human body, liquid is added into the first absorption cavity, and the smoke is absorbed from the first absorption cavity from the high-pressure abdominal cavity to the low-pressure abdominal cavity by utilizing the pressure difference between the liquid and the abdominal cavity of the human body, so that the use of a negative pressure device is not needed, and the energy conservation and emission reduction are facilitated; the first absorption cavity is connected with the second absorption cavity filled with the absorber, when the liquid in the first absorption cavity absorbs carbon dioxide in the abdominal cavity to reach saturation, the carbon dioxide enters the second absorption cavity through the exhaust pipe, and the discharged carbon dioxide is absorbed by utilizing the reaction of the absorber in the second absorption cavity and the carbon dioxide.
The utility model is provided with a silencing cap at one end of the conduit and the first absorption cavity, which reduces the noise pollution in the use process of the device; the outer wall of the first absorption cavity is provided with scale marks, so that distilled water can be added conveniently according to operation needs, and the pressure of the exhaust hole of the guide pipe in the distilled water can be kept.
The utility model discloses simple structure, reasonable in design, the medical personnel of being convenient for operate, can effectively solve the problem that carbon dioxide saturation back smog absorption efficiency is low in aqueous.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: the device comprises a guide pipe 1, a first absorption cavity 2, a second absorption cavity 3, an exhaust pipe 4, a one-way valve 5, an exhaust hole 6, an air inlet hole 7, a poking card 8, a silencing cap 9, a containing cavity 10, a first sealing cover 11, a second sealing cover 12, a connecting hole 13, 100 liquid and a 101 absorber.
Detailed Description
To make the objects, aspects and advantages of the present invention clearer, and in accordance with the following detailed description of certain embodiments of the present invention, it is to be understood that the terms "center," "vertical," "horizontal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship shown in the accompanying drawings, which are used for convenience of description and simplicity of illustration, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
An endoscopic surgical smoke evacuation apparatus as shown in figure 1, comprising: the device comprises a shell, wherein the inner cavity of the shell comprises an accommodating cavity 10, a first absorption cavity 2 and a second absorption cavity 3, and an exhaust pipe 4 for connecting the first absorption cavity 2 and the second absorption cavity 3 is arranged in the accommodating cavity 10; an exhaust hole 6 communicated with the exhaust pipe 4 is formed in the side wall of the upper part of the first absorption cavity 2, and an air inlet hole 7 communicated with the exhaust pipe 4 is formed in the side wall of the lower part of the second absorption cavity 3; the catheter 1 comprises a hard pipe and a hose connected with the hard pipe, and the hard pipe is arranged inside the first absorption cavity 2; the hose is arranged outside the first absorption cavity 2, the end part of the hose is provided with threads, and the hose is provided with a one-way valve 5. Further, the device also comprises a poking card 8 connected with the end part of the hose, and the hose and the poking card 8 are in threaded connection.
Further, the first absorption chamber 2 is filled with a liquid 100 for generating a pressure difference, and the end of the rigid tube is positioned in the liquid 100. The second absorption chamber 3 is provided with an absorber 101 for absorbing carbon dioxide.
Prickle the card 8 and get into the human body, pipe 1 with prick card 8 and be connected, inject liquid 100 in first absorption chamber 2 before the use, for the distilled water in this embodiment, absorb chamber 3 at the second and go up absorbent 101 of packing, be calcium lime in this embodiment, the tip of hard tube is inserted in the distilled water, and the tip position of hard tube is fixed, the pressure difference of the pressure of the distilled water that utilizes the hard tube tip to receive and the pressure in the people abdominal cavity, make smog absorb from high pressure abdominal cavity internal flow to the first absorption chamber 2 of low pressure. The pressure of the distilled water received by the end of the rigid tube can be known from P ═ ρ gh, assuming that the height of the distilled water (relative to the bottom of the first absorption chamber) is h1The height of the end of the hard tube is h2Water pressure P to which the end of the pipe is subjectedd＝ρg(h1-h2) And in the whole process, a negative pressure device is not needed, thereby being beneficial to energy conservation and emission reduction.
In order to control and know the pressure of the distilled water in the first absorption cavity 2 conveniently, scale marks are arranged on the outer wall of the first absorption cavity 2, and the measuring unit of the scale marks is mmHg which is consistent with the measuring unit of the carbon dioxide which is injected into the human body by medical staff; the shell is made of transparent materials. The pressure applied to the end part of the hard tube can be known by observing and recording the scale marks corresponding to the height of the distilled water and the scale marks corresponding to the height of the end part of the hard tube. When smoke is discharged, the pressure at the position where the end part of the hard tube is inserted into the distilled water is slightly less than the pressure in the abdominal cavity; for example, in a retrolaparoscopic surgery, the pressure of carbon dioxide injected into the patient by the medical staff is 15mmHg, and the distance between the end of the rigid tube and the horizontal plane of distilled water is 14 mmHg.
In this embodiment, a first sealing cover 11 is disposed on the upper portion of the first absorption cavity 2, and the first sealing cover 11 is integrally disposed with the hard tube. A second sealing cover 12 is arranged at the upper part of the second absorption cavity; the first sealing cover 11 and the second sealing cover can be buckled on the upper parts of the first absorption cavity 2 and the second absorption cavity 3 through threads or insertion. The rigid tube is arranged integrally with the first sealing cover 11, i.e. the position of the end of the rigid tube in the first absorption chamber 2 is fixed, and this position is set to the 0 point, i.e. h20; setting a scale value in mmHg on the outer wall of the first absorption chamber 2, before the operation by adding distillation in the first absorption chamber 2Water Change h1The pressure values of the distilled water and the end part of the hard tube are adjusted by the numerical value of (2), and the specific pressure value can directly read the corresponding mmHg value at the distillation horizontal plane.
In order to reduce the noise pollution when the device is used, the device also comprises a silencing cap 9, and the silencing cap 9 is sleeved at the end part of the hard pipe; the silencing cap 9 is provided with a plurality of through silencing holes; or, the side wall of one end of the conduit 1 inserted into the distilled water is provided with a plurality of through silencing holes.
When carbon dioxide in the smoke is saturated in water, the redundant carbon dioxide flows into the air inlet hole 7 along the exhaust pipe 4 through the exhaust hole 6, reaches the second absorption cavity 3, reacts with calcium lime in the second absorption cavity 3, and is absorbed. The second sealing cover 12 is provided with a connecting hole 13, and the connecting hole 13 is provided with a dustproof cap. The absorbed and purified smoke is discharged into the atmosphere and can also be connected with a negative pressure device, and a dustproof cap is arranged on the connecting hole 13. To prevent distilled water from entering the abdominal cavity along the catheter 1, a one-way valve 5 is provided on the hose so that gas can only flow from the abdominal cavity into the first absorption chamber 2 and distilled water cannot be sucked back into the abdominal cavity from the first absorption chamber 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. An endoscopic surgery fume extractor, its characterized in that, it includes:
the device comprises a shell, wherein the inner cavity of the shell comprises an accommodating cavity (10), a first absorption cavity (2) and a second absorption cavity (3), and an exhaust pipe (4) for connecting the first absorption cavity (2) and the second absorption cavity (3) is arranged in the accommodating cavity (10); an exhaust hole (6) communicated with the exhaust pipe (4) is formed in the side wall of the upper part of the first absorption cavity (2), and an air inlet hole (7) communicated with the exhaust pipe (4) is formed in the side wall of the lower part of the second absorption cavity (3);
the catheter (1) comprises a hard pipe and a hose connected with the hard pipe, and the hard pipe is arranged inside the first absorption cavity (2); the hose is arranged outside the first absorption cavity (2), the end part of the hose is provided with threads, and the hose is provided with a one-way valve (5).
2. An endoscopic surgical smoke evacuation apparatus according to claim 1 further comprising a poking card (8) connected to an end of said hose, said hose and said poking card (8) being threadedly connected.
3. An endoscopic surgery smoke evacuation device according to claim 1, further comprising a silencing cap (9), wherein the silencing cap (9) is sleeved on the end of the hard tube; the silencing cap (9) is provided with a plurality of communicated silencing holes.
4. An endoscopic surgical smoke evacuation device according to claim 1, wherein said first absorption chamber (2) is provided with graduation marks on its outer wall, and said graduation marks are measured in mmHg.
5. An endoscopic surgery smoke evacuation device according to claim 1, wherein the first absorption cavity (2) is provided with a first sealing cover (11) at the upper part, and the first sealing cover (11) is integrated with the hard tube.
6. An endoscopic surgical smoke evacuation apparatus according to claim 1, wherein said second absorption chamber (3) is provided at an upper portion thereof with a second sealing cover (12).
7. An endoscopic surgery smoke evacuation device according to claim 6 wherein said second sealing cover (12) is provided with a connecting hole (13), and said connecting hole (13) is provided with a dust cap.
8. The smoke evacuation device of claim 1, wherein the housing is made of a transparent material.
9. An endoscopic surgical smoke evacuation device according to claim 1 wherein said first suction chamber (2) contains a liquid (100) for creating a pressure differential, the end of said rigid tube being located within said liquid (100).
10. An endoscopic surgical smoke evacuation device according to claim 1 wherein said second absorption chamber (3) incorporates an absorber (101) for absorbing carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021412489.0U CN213098388U (en) | 2020-07-17 | 2020-07-17 | Smoke exhaust device for endoscopic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021412489.0U CN213098388U (en) | 2020-07-17 | 2020-07-17 | Smoke exhaust device for endoscopic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213098388U true CN213098388U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021412489.0U Active CN213098388U (en) | 2020-07-17 | 2020-07-17 | Smoke exhaust device for endoscopic surgery |
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|---|---|
| CN (1) | CN213098388U (en) |
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2020
- 2020-07-17 CN CN202021412489.0U patent/CN213098388U/en active Active
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