CN220870066U - Pneumoperitoneum machine filter interface seat with airtight optimization structure - Google Patents
Pneumoperitoneum machine filter interface seat with airtight optimization structure Download PDFInfo
- Publication number
- CN220870066U CN220870066U CN202322519852.9U CN202322519852U CN220870066U CN 220870066 U CN220870066 U CN 220870066U CN 202322519852 U CN202322519852 U CN 202322519852U CN 220870066 U CN220870066 U CN 220870066U
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- China
- Prior art keywords
- airtight
- spring column
- sealing
- interface seat
- filter interface
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- 208000005646 Pneumoperitoneum Diseases 0.000 title claims abstract description 17
- 238000005457 optimization Methods 0.000 title description 4
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 239000000779 smoke Substances 0.000 claims abstract description 80
- 238000007599 discharging Methods 0.000 claims abstract description 47
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 2
- 230000003746 surface roughness Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model relates to a pneumoperitoneum machine filter interface seat with an airtight optimized structure, which comprises a filter interface seat and a filter interface seat cover; sealing planes are arranged at the ends of the smoke exhaust hole and the airtight hole in the filter interface seat, and sealing elements are arranged at the sealing ends of the airtight spring column and the smoke exhaust spring column in the filter interface seat cover; the sealing piece of the airtight spring column is matched with the sealing plane of the end part of the airtight hole to realize surface sealing fit, and the sealing piece of the smoke discharging spring column is matched with the sealing plane of the end part of the smoke discharging hole to realize surface sealing fit. The utility model has the advantages that: by optimizing the airtight sealing surface structure, the control requirement of the surface roughness is ensured, and the corresponding surface sealing also reduces the precision requirement and the air leakage risk of the product.
Description
Technical Field
The utility model relates to the field of medical instrument accessories, in particular to a pneumoperitoneum machine filter interface seat with an airtight optimized structure.
Background
Pneumoperitoneum machine has become the indispensable instrument of laparoscopic surgery, in order to guarantee doctor has good operation field of vision in the operation, all can have smoke evacuation mode and valveless airtight mode on the existing intelligent pneumoperitoneum machine, so as to suck the smog produced during operation; in order to distinguish the use scenes of the standard gas injection mode, the smoke discharging mode and the airtight circulating mode, when only standard gas injection is used, the smoke discharging system and the airtight circulating system are required to be sealed by a gas path, the gas path is sealed, smoke discharging and airtight holes on the filtering interface seat are respectively provided with a spring column, a sealing ring is sleeved on the spring column, and the sealing rings are attached to inclined planes at the ends of the smoke discharging and airtight holes on the filtering interface seat to seal.
The sealing structure has the following defects:
The requirement on the matching precision of all accessories is high, if the assembly and the precision deviate, the sealing part is not tightly attached, and the sealing part is easy to leak air;
The seal ring device is arranged on the spring column, so that labor cost is required;
The matching surface is an inclined surface, so that the rough wiping degree of the surface is not easy to control, and the air leakage condition is easy to occur because the surface roughness does not meet the requirement.
Disclosure of utility model
The utility model aims at: the pneumoperitoneum machine filter interface seat with the airtight optimization structure ensures the control requirement of the surface roughness by optimizing the airtight sealing surface structure, and the corresponding surface sealing also reduces the precision requirement and the air leakage risk of the product.
The utility model is realized by the following technical scheme: a pneumoperitoneum machine filter interface seat with an airtight optimization structure comprises a filter interface seat and a filter interface seat cover;
the filter interface seat is provided with an air injection hole 11, a smoke exhaust hole 12 and an airtight hole 13;
the filtering interface seat is in surface sealing connection with the filtering interface seat cover 2, and a smoke exhaust gas passage 22 communicated with the smoke exhaust hole 12 and an airtight circulating gas passage 23 communicated with the airtight hole 13 are arranged on the filtering interface seat;
A smoke discharging spring column 32 is arranged in the smoke discharging air path 22, a smoke discharging spring 42 is arranged on the periphery of the smoke discharging spring column 32, and the smoke discharging spring 42 pushes the smoke discharging spring column 32 towards the smoke discharging hole 12;
An airtight spring column 33 is arranged in the airtight circulating gas path 23, an airtight spring 43 is arranged on the periphery of the airtight spring column 33, and the airtight spring 43 pushes the airtight spring column 33 towards the airtight hole 13;
The ends of the smoke exhaust hole 12 and the airtight hole 13 are respectively provided with a sealing plane 6, and sealing ends of the airtight spring column 33 and the smoke exhaust spring column 32 are provided with sealing pieces 7; so that the sealing element 7 of the airtight spring column 33 is in face-sealing engagement with the sealing plane 6 at the end of the airtight hole 13, and the sealing element 7 of the smoke discharge spring column 32 is in face-sealing engagement with the sealing plane 6 at the end of the smoke discharge hole 12.
Compared with the prior art, the utility model has the beneficial effects that:
1. The sealing surface is changed into a plane, so that the control requirement of the surface roughness is ensured, and the corresponding surface sealing also reduces the precision requirement and the air leakage risk of the product.
2. Optimize product structure, reduced the installation degree of difficulty of sealing member, saved processing cost and cost of labor.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a schematic diagram of a filter interface mount for a pneumoperitoneum machine;
FIG. 3 is a schematic diagram of a filter interface base;
FIG. 4 is a diagram showing the distribution of gas injection holes, smoke exhaust holes and airtight holes in a filter interface seat;
fig. 5 is a sectional view of a conventional structure.
Description of the reference numerals: 1a filter interface seat, 11 a gas injection hole, 12 a smoke exhaust hole, 13 a gas seal hole, 2 a filter interface seat cover, 22 a smoke exhaust gas path, 23 a gas seal circulation gas path, 32 a smoke exhaust spring column, 33 a gas seal spring column, 42 a smoke exhaust spring the sealing device comprises a 43 airtight spring, a 51 limiting convex edge, a 52 limiting groove, a 53 clamping ring, a 54 sealing ring, a 6 sealing plane, a 61 limiting groove, a 7 sealing piece, an 8 standard gas injection port, a 91 sealing inclined plane and a 92 inclined plane sealing ring.
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings:
As shown in fig. 1-4: an airtight optimized structure for a filter interface seat 1 of a pneumoperitoneum machine comprises the filter interface seat 1 and a filter interface seat cover 2;
the filter interface seat is provided with an air injection hole 11, a smoke exhaust hole 12 and an airtight hole 13;
the filtering interface seat is in surface sealing connection with the filtering interface seat cover 2, and a smoke exhaust gas passage 22 communicated with the smoke exhaust hole 12 and an airtight circulating gas passage 23 communicated with the airtight hole 13 are arranged on the filtering interface seat;
A smoke discharging spring column 32 is arranged in the smoke discharging air path 22, a smoke discharging spring 42 is arranged on the periphery of the smoke discharging spring column 32, and the smoke discharging spring 42 pushes the smoke discharging spring column 32 towards the smoke discharging hole 12;
An airtight spring column 33 is arranged in the airtight circulating gas path 23, an airtight spring 43 is arranged on the periphery of the airtight spring column 33, and the airtight spring 43 pushes the airtight spring column 33 towards the airtight hole 13;
The structure is basically the same as the traditional structure, and the filtering interface seat cover 2 are in surface sealing connection and are fixedly connected through screw locking. The ends of the smoke discharging hole 12 and the airtight hole 13 in the traditional structure are in a horn shape, in addition, the periphery of the sealing end of the corresponding spring column is sleeved with an inclined surface sealing ring 92, and sealing is realized through the cooperation of the inclined surface sealing ring 92 and a sealing inclined surface 91 in the horn shape. However, the design has high precision requirements, and simultaneously, the surface roughness of the inclined plane is difficult to control, so that air leakage is easy to occur.
For this purpose, the ends of the smoke vent 12 and the airtight holes 13 are provided with sealing planes 6, and the sealing ends of the airtight spring columns 33 and the smoke vent spring columns 32 are provided with sealing pieces 7; so that the sealing element 7 of the airtight spring column 33 is in face-sealing engagement with the sealing plane 6 at the end of the airtight hole 13, and the sealing element 7 of the smoke discharge spring column 32 is in face-sealing engagement with the sealing plane 6 at the end of the smoke discharge hole 12.
The sealing surface is changed into a plane, so that the sealing surface can be normally sealed even if the precision has deviation, namely, the product precision requirement and the air leakage risk are reduced, and the problem that the surface roughness is not well controlled is solved.
The ends of the smoke discharging hole 12 and the airtight hole 13 are respectively provided with a limiting groove 61, and the sealing plane 6 is positioned on the limiting grooves 61. The limit groove 61 ensures that the sealing plane is convenient to process, and can limit the airtight spring column 33 and the smoke exhaust spring column 32.
The sealing piece 7 is soft rubber coated on the sealing ends of the airtight spring column 33 and the smoke exhausting spring column 32, and the end face of the soft rubber is a plane. The soft rubber can improve the sealing effect, and the end face of the soft rubber is a plane, so that the sealing effect with the sealing plane can be further improved.
The outer side walls of the airtight spring column 33 and the smoke discharging spring column 32 are annularly provided with a limiting convex edge 51;
Two ends of the smoke discharging spring 42 respectively prop against the inner wall surface of the smoke discharging air path 22 and the limit convex edge 51 of the smoke discharging spring column 32;
Both ends of the airtight spring 43 respectively abut against the inner wall surface of the airtight circulating air path 23 and the limit protruding edge 51 of the airtight spring column 33.
Mainly for limiting the spring.
The outer side walls of the airtight spring column 33 and the smoke discharging spring column 32 are annularly provided with limit grooves 52, and the inner wall surface of the sealing piece 7 is annularly provided with limit rings embedded in the limit grooves 52. The firmness of the connection of the sealing element 7 and the spring column is ensured.
The limit ends of the airtight spring column 33 and the smoke exhaust spring column 32 extend out of the filter interface seat cover 2; the parts of the airtight spring column 33 and the smoke discharging spring column 32 extending out of the filter interface seat cover 2 are respectively provided with a clamping ring 53; a sealing ring 54 is arranged between the airtight spring column 33 and the side wall of the filter interface seat cover 2, and a sealing ring 54 is also arranged between the smoke discharging spring column 32 and the side wall of the filter interface seat cover 2.
The utility model is particularly used and has no difference with the prior pneumoperitoneum machine, wherein two main gas injection modes are adopted, one is to directly inject gas through a standard gas injection port 8 (shown in figure 1), and the other is to inject gas through a gas injection port on a filter interface seat, wherein a smoke removal port and a gas seal port on the filter interface seat are respectively used for a smoke exhaust system and a valveless gas seal mode (shown in figure 3).
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.
Claims (6)
1. The pneumoperitoneum machine filter interface seat with the airtight optimized structure comprises a filter interface seat (1) and a filter interface seat cover (2);
The filter interface seat is provided with an air injection hole (11), a smoke exhaust hole (12) and an airtight hole (13);
The filter interface seat is in surface sealing connection with the filter interface seat cover (2), and a smoke exhaust gas passage (22) communicated with the smoke exhaust hole (12) and an airtight circulating gas passage (23) communicated with the airtight hole (13) are arranged on the filter interface seat;
A smoke discharging spring column (32) is arranged in the smoke discharging air path (22), a smoke discharging spring (42) is arranged on the periphery of the smoke discharging spring column (32), and the smoke discharging spring (42) pushes the smoke discharging spring column (32) towards the smoke discharging hole (12);
An airtight spring column (33) is arranged in the airtight circulating gas circuit (23), an airtight spring (43) is arranged on the periphery of the airtight spring column (33), and the airtight spring (43) pushes the airtight spring column (33) towards the airtight hole (13);
The method is characterized in that: the ends of the smoke discharging hole (12) and the airtight hole (13) are respectively provided with a sealing plane (6), and sealing ends of the airtight spring column (33) and the smoke discharging spring column (32) are provided with sealing elements (7); the sealing piece (7) of the airtight spring column (33) is matched with the sealing plane (6) at the end part of the airtight hole (13) to realize surface sealing fit, and the sealing piece (7) of the smoke discharging spring column (32) is matched with the sealing plane (6) at the end part of the smoke discharging hole (12) to realize surface sealing fit.
2. The pneumoperitoneum machine filter interface seat with the airtight optimized structure according to claim 1, wherein: the ends of the smoke discharging hole (12) and the airtight hole (13) are respectively provided with a limiting groove (61), and the sealing plane (6) is positioned on the limiting grooves (61).
3. The pneumoperitoneum machine filter interface seat with the airtight optimized structure according to claim 1, wherein: the sealing piece (7) is soft rubber coated on the sealing ends of the airtight spring column (33) and the smoke exhausting spring column (32), and the end face of the soft rubber is a plane.
4. The pneumoperitoneum machine filter interface seat with the airtight optimized structure according to claim 1, wherein: the outer side walls of the airtight spring column (33) and the smoke exhausting spring column (32) are annularly provided with limiting convex edges (51);
Two ends of the smoke discharging spring (42) are respectively propped against the limiting convex edges (51) of the smoke discharging spring column (32) on the inner wall surface of the smoke discharging air path (22);
Both ends of the airtight spring (43) are respectively abutted against the inner wall surface of the airtight circulating gas circuit (23) and the limiting convex edge (51) of the airtight spring column (33).
5. The pneumoperitoneum machine filter interface seat with the airtight optimized structure according to claim 1, wherein: the outer side walls of the airtight spring column (33) and the smoke discharging spring column (32) are annularly provided with limiting grooves (52), and the inner wall surface of the sealing piece (7) is annularly provided with limiting rings embedded into the limiting grooves (52).
6. The pneumoperitoneum machine filter interface seat with the airtight optimized structure according to claim 1, wherein: the limit ends of the airtight spring column (33) and the smoke discharging spring column (32) extend out of the filter interface seat cover (2); the parts of the airtight spring column (33) and the smoke exhausting spring column (32) extending out of the filter interface seat cover (2) are respectively provided with a clamping ring (53); a sealing ring (54) is arranged between the airtight spring column (33) and the side wall of the filter interface seat cover (2), and a sealing ring (54) is also arranged between the smoke discharging spring column (32) and the side wall of the filter interface seat cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519852.9U CN220870066U (en) | 2023-09-15 | 2023-09-15 | Pneumoperitoneum machine filter interface seat with airtight optimization structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519852.9U CN220870066U (en) | 2023-09-15 | 2023-09-15 | Pneumoperitoneum machine filter interface seat with airtight optimization structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870066U true CN220870066U (en) | 2024-04-30 |
Family
ID=90816231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322519852.9U Active CN220870066U (en) | 2023-09-15 | 2023-09-15 | Pneumoperitoneum machine filter interface seat with airtight optimization structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870066U (en) |
-
2023
- 2023-09-15 CN CN202322519852.9U patent/CN220870066U/en active Active
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