CN203749462U - Novel umbrella-type sealing gasket of puncturing device - Google Patents
Novel umbrella-type sealing gasket of puncturing device Download PDFInfo
- Publication number
- CN203749462U CN203749462U CN201420091753.3U CN201420091753U CN203749462U CN 203749462 U CN203749462 U CN 203749462U CN 201420091753 U CN201420091753 U CN 201420091753U CN 203749462 U CN203749462 U CN 203749462U
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- Prior art keywords
- seal
- sealing pad
- shirt rim
- passage
- puncture device
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- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000007912 intraperitoneal administration Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model relates to a novel umbrella-type sealing gasket of a puncturing device. The novel umbrella-type sealing gasket solves the problem that a sealing gasket in an existing puncturing device is prone to being damaged. The novel umbrella-type sealing gasket comprises a sealing body made of flexible sheet materials, the sealing body is in a taper shape, an installation skirt edge integrally connected with the sealing body is arranged at the bottom of the sealing body in the circumferential direction, and a plurality of installation holes are formed in the installation skirt edge. The novel umbrella-type sealing gasket is characterized in that an arc notch is formed in the top of the sealing body, a sector-shaped notch is formed in the opening side of the arc notch, the top of the sector-shaped notch and the arc notch are through, the lower end of the sector-shaped notch extends to the middle of the sealing body, the circular center of the sector-shaped notch is coincident with the top point of the sealing body, and the middle of the lower end of the sector-shaped notch is provided with a bus channel extending to the bottom end of the sealing body and forming an opening in the installation skirt edge. The novel umbrella-type sealing gasket has the advantages of being simple and reasonable in structure, convenient to install, high in strength, not prone to being damaged, high in stability, not prone to being tearing in the using process, not prone to separating from an installation base, good in sealing effect and not prone to causing air leakage.
Description
Technical field
This utility model belongs to technical field of medical instruments, especially relates to a kind of novel puncture device umbrella sealing pad.
Background technology
In Wicresoft's medical-therapeutic treatment of human body operation, once find focus in body, need operation or excision, in operation process, what first need application is perforator, perforator is a kind ofly to pierce through stomach wall and for other operating theater instruments provide the operating theater instruments that enters body cavity passage, belong to a kind of Minimally Invasive Surgery apparatus.Perforator generally includes as the sleeve assembly of other operating theater instruments admission passages with through the puncturing lever in described sleeve assembly.First, for transdermal, first cut epiderm skin with scalpel, then utilize puncturing lever transdermal and enter body cavity together with sleeve assembly, then extract puncturing lever out, sleeve assembly just can be used as various apparatuses and instrument is introduced intraperitoneal and provide aeration to make stomach wall be elevated to the passage of organ top, intraperitoneal Leakage Gas when preventing that various apparatuses and instrument insert abdominal cavity in operation process, need on the mount pad in sleeve assembly, the sealing gasket that multiple braiding shapes distribute be set, when use, apparatus is through the black box center being made up of multiple sealing gaskets, thereby reach the effect of sealing.But the sealing gasket of the perforator sleeve assembly often having exists many deficiencies, for example, install firmly not, in use, due to the passing by force of apparatus, sealing gasket is easily torn, and easily departs from from mount pad, and sealing is poor, and gas leak phenomenon easily occurs.
The problem existing in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of multi-functional outer sealing device [application number: 201310204885.2] that is exclusively used in medical operating perforator, comprise upper press cover, lower cover, base, supporting seat, footstock, sealing membrane modules, support chip assembly and sealing gasket assembly, upper press cover and lower cover are fixed, sealing membrane modules is arranged between base and supporting seat, support chip assembly is arranged between supporting seat and sealing gasket assembly, and sealing gasket assembly is arranged between support chip assembly and footstock; Base, supporting seat, footstock, sealing membrane modules, support chip assembly and sealing gasket assembly are arranged in upper press cover and lower cover, and sealing gasket assembly and lower cover are fixed.
Such scheme has solved the poor problem of sealing gasket sealing effectiveness in existing perforator to a certain extent, but this scheme still exists: inconvenience is installed, and structural strength is low, in use passing by force due to apparatus, sealing gasket is easily torn, easily from problems such as mount pad depart from.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of simple in structure, not fragile, the novel puncture device umbrella sealing pad that intensity is high.
For achieving the above object, this utility model has adopted following technical proposal: this novel puncture device umbrella sealing pad, comprise by flexible sheet material and make and be conical seal, described seal bottom is circumferentially with and the be connected as a single entity installation shirt rim of formula of seal, described installation shirt rim is provided with some installing holes, it is characterized in that, the top of described seal is provided with arc gap, be provided with that top and arc gap connect and lower end extends to the sector notch at seal middle part in the open side of arc gap, the center of circle of described sector notch overlaps with seal summit, described middle part, sector notch lower end is provided with the busbar channel that extends to seal bottom and form opening in installation shirt rim.Obviously, sector notch is arranged on the middle part of seal, makes this sealing gasket intensity high, is difficult for being torn when use, and in addition, multiple sealing gasket staggered superposition are circumferentially arranged so that arc gap can pass for equipment, avoids sealing gasket to damage in use.
In above-mentioned perforator umbrella sealing pad, described busbar channel comprises and is arranged on the first passage being connected on seal and with sector notch, described first passage is tilted to lower setting, and described first passage is connected with and is positioned at the second channel of two ends, shirt rim being installed and being connected with first passage.
In above-mentioned novel puncture device umbrella sealing pad, the width of described first passage equates with the width of second channel.
In above-mentioned novel puncture device umbrella sealing pad, between described first passage and second channel, form angle, and the size of described angle is 140 °-150 °.Preferably, the angle is here 145 °.
In above-mentioned novel puncture device umbrella sealing pad, the circumferential edge of described installation shirt rim and the outside that is positioned at installing hole are provided with at least one arc convex.Arc convex has the effect of reinforcement, and when apparatus is passed, sealing gasket is difficult for departing from from mount pad.
In above-mentioned novel puncture device umbrella sealing pad, the quantity of described arc convex is one, and described arc convex is arranged on to be positioned at and shirt rim is installed away from the one side of seal and is positioned at any side of second channel.While making multiple sealing gasket stack, arc convex can circumferentially be uniformly distributed, and can prevent from addition installing when shirt rim is used departing from.
In above-mentioned novel puncture device umbrella sealing pad, the height of described arc convex be install shirt rim the thick end 2-4 doubly, and described arc convex with shirt rim be installed be connected as a single entity structure.Ensure that arc convex has enough intensity.
In above-mentioned novel puncture device umbrella sealing pad, described sector notch both sides are respectively equipped with curved portions, and are provided with arc-shaped transition portion between described sector notch and first passage.
In above-mentioned novel puncture device umbrella sealing pad, the size that described sector notch is projected in the central angle of the fan-shaped projection of conical bottom surface is 180 °.Ensure like this sealing effectiveness when multiple sealing gaskets circumferentially arrange.
In above-mentioned novel puncture device umbrella sealing pad, described seal is provided with enhancement Layer.
Compared with prior art, the advantage of this novel puncture device umbrella sealing pad is: simple and reasonable, easy for installation, intensity is high, not fragile, stability is strong, is in use difficult for tearing, be difficult for departing from from mount pad, good sealing effect, is difficult for occurring gas leak phenomenon.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is the structural representation at another visual angle of this utility model.
In figure, seal 1, enhancement Layer 11, installation shirt rim 2, installing hole 21, arc convex 22, arc gap 3, sector notch 4, curved portions 41, arc-shaped transition portion 42, busbar channel 5, opening 5a, first passage 51, second channel 52, angle α, central angle β.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As Figure 1-3, this novel puncture device umbrella sealing pad, comprise by flexible sheet material and make and be conical seal 1, seal 1 bottom is circumferentially with and the be connected as a single entity installation shirt rim 2 of formula of seal 1, shirt rim 2 is installed and is provided with some installing holes 21, the top of seal 1 is provided with arc gap 3, be provided with top and arc gap 3 connects and lower end extends to the sector notch 4 at seal 1 middle part in the open side of arc gap 3, the center of circle of sector notch 4 overlaps with seal 1 summit, sector notch 4 middle parts, lower end are provided with the busbar channel 5 that extends to seal 1 bottom and form opening 5a in installation shirt rim 2, obviously, sector notch 4 is arranged on the middle part of seal 1, make this sealing gasket intensity high, when use, be difficult for being torn, in addition, multiple sealing gasket staggered superposition are circumferentially arranged so that arc gap 3 can pass for equipment in use, avoid sealing gasket to damage.
Busbar channel 5 in the present embodiment comprises and is arranged on the first passage 51 being connected on seal 1 and with sector notch 4, first passage 51 is tilted to lower setting, and first passage 51 is connected with and is positioned at the second channel 52 of 2 two ends, shirt rim being installed and being connected with first passage 51.Particularly, the width of first passage 51 equates with the width of second channel 52.Between first passage 51 and second channel 52, form angle α, and the size of angle α is 140 °-150 °, preferably, the angle α is here 145 °.
Further, the outside of the circumferential edge of shirt rim 2 being installed and being positioned at installing hole 21 is provided with at least one arc convex 22, and arc convex 22 has the effect of reinforcement, and when apparatus is passed, sealing gasket is difficult for departing from from mount pad.The quantity of arc convex 22 is one, arc convex 22 is arranged on to be positioned at and shirt rim 2 is installed away from the one side of seal 1 and is positioned at any side of second channel 52, while making multiple sealing gasket stack, arc convex 22 can circumferentially be uniformly distributed, and can prevent from addition installing when shirt rim 2 is used departing from.The height of the arc convex 22 be here install shirt rim 2 the thick end 2-4 doubly, and arc convex 22 is connected as a single entity structure with shirt rim 2 is installed, and ensured that arc convex 22 has enough intensity.
In addition, sector notch 4 both sides are respectively equipped with curved portions 41, and are provided with arc-shaped transition portion 42 between sector notch 4 and first passage 51.The size that sector notch 4 is projected in the central angle β of the fan-shaped projection of conical bottom surface is 180 °, has ensured like this sealing effectiveness when multiple sealing gaskets circumferentially arrange.Preferably, seal 1 is provided with enhancement Layer 11.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used seal 1, enhancement Layer 11 herein, the terms such as shirt rim 2, installing hole 21, arc convex 22, arc gap 3, sector notch 4, curved portions 41, arc-shaped transition portion 42, busbar channel 5, opening 5a, first passage 51, second channel 52, angle α, central angle β be installed, do not got rid of the probability that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with this utility model spirit.
Claims (10)
1. a novel puncture device umbrella sealing pad, comprise by flexible sheet material and make and be conical seal (1), described seal (1) bottom is circumferentially with and the be connected as a single entity installation shirt rim (2) of formula of seal (1), described installation shirt rim (2) is provided with some installing holes (21), it is characterized in that, the top of described seal (1) is provided with arc gap (3), be provided with that top and arc gap (3) connect and lower end extends to the sector notch (4) at seal (1) middle part in the open side of arc gap (3), the center of circle of described sector notch (4) overlaps with seal (1) summit, described middle part, sector notch (4) lower end is provided with the busbar channel (5) that extends to seal (1) bottom and form opening (5a) in installation shirt rim (2).
2. perforator umbrella sealing pad according to claim 1, it is characterized in that, described busbar channel (5) comprises and is arranged on the first passage (51) that seal (1) is upper and be connected with sector notch (4), described first passage (51) is tilted to lower setting, and described first passage (51) is connected with and is positioned at the second channel (52) of (2) two ends, shirt rim being installed and being connected with first passage (51).
3. perforator umbrella sealing pad according to claim 2, is characterized in that, the width of described first passage (51) equates with the width of second channel (52).
4. novel puncture device umbrella sealing pad according to claim 2, is characterized in that, between described first passage (51) and second channel (52), forms angle (α), and the size of described angle (α) is 140 °-150 °.
5. according to the novel puncture device umbrella sealing pad described in claim 2 or 3 or 4, it is characterized in that, the circumferential edge of described installation shirt rim (2) and the outside that is positioned at installing hole (21) are provided with at least one arc convex (22).
6. novel puncture device umbrella sealing pad according to claim 5, it is characterized in that, the quantity of described arc convex (22) is one, and described arc convex (22) is arranged on to be positioned at and shirt rim (2) is installed away from the one side of seal (1) and is positioned at any side of second channel (52).
7. novel puncture device umbrella sealing pad according to claim 5, it is characterized in that, the height of described arc convex (22) for install shirt rim (2) the thick end 2-4 doubly, and described arc convex (22) with shirt rim (2) be installed be connected as a single entity structure.
8. novel puncture device umbrella sealing pad according to claim 2, it is characterized in that, described sector notch (4) both sides are respectively equipped with curved portions (41), and are provided with arc-shaped transition portion (42) between described sector notch (4) and first passage (51).
9. novel puncture device umbrella sealing pad according to claim 8, is characterized in that, the size that described sector notch (4) is projected in the central angle (β) of the semicircle projection of conical bottom surface is 180 °.
10. novel puncture device umbrella sealing pad according to claim 1, is characterized in that, described seal (1) is provided with enhancement Layer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091753.3U CN203749462U (en) | 2014-03-01 | 2014-03-01 | Novel umbrella-type sealing gasket of puncturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091753.3U CN203749462U (en) | 2014-03-01 | 2014-03-01 | Novel umbrella-type sealing gasket of puncturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203749462U true CN203749462U (en) | 2014-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420091753.3U Expired - Lifetime CN203749462U (en) | 2014-03-01 | 2014-03-01 | Novel umbrella-type sealing gasket of puncturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203749462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037896A (en) * | 2016-07-05 | 2016-10-26 | 江苏风和医疗器材有限公司 | Sealing gasket, sealing assembly provided with same as well as puncturing device |
| CN108294809A (en) * | 2016-07-05 | 2018-07-20 | 江苏风和医疗器材股份有限公司 | Gasket and seal assembly and puncture outfit with it |
-
2014
- 2014-03-01 CN CN201420091753.3U patent/CN203749462U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037896A (en) * | 2016-07-05 | 2016-10-26 | 江苏风和医疗器材有限公司 | Sealing gasket, sealing assembly provided with same as well as puncturing device |
| CN108294809A (en) * | 2016-07-05 | 2018-07-20 | 江苏风和医疗器材股份有限公司 | Gasket and seal assembly and puncture outfit with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou Tonglu Chunjiang Road Economic Development Zone, Hangzhou city of Zhejiang Province, No. 1668 311500 Patentee after: HANGZHOU KANGJI MEDICAL INSTRUMENT CO.,LTD. Address before: 311500 Tonglu, Zhejiang Province Economic Development Zone, Tonglu, Meilin Road, No. 298, No. Patentee before: HANGZHOU KANGJI MEDICAL INSTRUMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311500, No. 1668 East Spring Road, Tonglu Economic Development Zone, Hangzhou, Zhejiang, Hangzhou Patentee after: HANGZHOU KANGJI MEDICAL INSTRUMENT Co.,Ltd. Address before: 311500, No. 1668 East Spring Road, Tonglu Economic Development Zone, Hangzhou, Zhejiang, Hangzhou Patentee before: HANGZHOU KANGJI MEDICAL INSTRUMENT Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Tonglu County Tonglu Chunjiang Road Economic Development Zone, Hangzhou city of Zhejiang Province, No. 1668 311500 Patentee after: HANGZHOU KANGJI MEDICAL INSTRUMENT Co.,Ltd. Address before: 311500, No. 1668 East Spring Road, Tonglu Economic Development Zone, Hangzhou, Zhejiang, Hangzhou Patentee before: HANGZHOU KANGJI MEDICAL INSTRUMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |