CN202313634U - Floating seal assembly - Google Patents
Floating seal assembly Download PDFInfo
- Publication number
- CN202313634U CN202313634U CN 201120435893 CN201120435893U CN202313634U CN 202313634 U CN202313634 U CN 202313634U CN 201120435893 CN201120435893 CN 201120435893 CN 201120435893 U CN201120435893 U CN 201120435893U CN 202313634 U CN202313634 U CN 202313634U
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- CN
- China
- Prior art keywords
- sealing
- ring
- floating seal
- seal assembly
- lower cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a floating seal assembly which comprises an upper seal cover and a lower seal cover, wherein the upper seal cover and the lower seal cover are mutually fixed, a sealing device is arranged in a containing space formed by the upper seal cover and the lower seal cover, the sealing device comprises an upper fixing ring, a seal ring and a lower fixing ring which are fixed with one another in a matching way, the seal ring is provided with a round hole through which appliances can pass, and at least two elastic strips are connected between the sealing device and the upper seal cover and/or lower seal cover. The floating seal assembly disclosed by the utility model mainly has the following advantages of simple structure, good sealing effect and low cost.
Description
Technical field
This utility model relates to a kind of perforator, relates in particular to a kind of floating seal modular construction of perforator.
Background technology
Perforator is a kind of stomach wall also provides entering body cavity passage for other operating theater instruments operating theater instruments that pierces through, and belongs to a kind of Minimally Invasive Surgery apparatus.Perforator generally includes as the sleeve assembly of other operating theater instruments admission passages and the puncturing lever in the said sleeve assembly.For transdermal, earlier cut epiderm skin, then puncturing lever transdermal and get into body cavity with scalpel; Through exerting pressure to said puncturing lever, and the tip that promotes said puncturing lever passes skin, all gets into body cavity up to puncturing lever and sleeve assembly; Then, extract puncturing lever out, sleeve assembly just can be used as the mis instruments passage of carrying out endo-surgical and splanchnoscopy operation.
At present, perforator uses a kind of floating seal usually, and this floating seal can be surrounded on the operating theater instruments that is inserted in the said sleeve assembly, thereby stops fluid and be blown into endoceliac gas through said sleeve assembly.Shown in Chinese patent CN200510130187.8; Floating seal comprises: a plurality of diaphragm seals; Each diaphragm seal comprises an arcual neighboring and a seam edge, and each diaphragm seal also comprises the horn shape part of an extension, and this horn shape partly has the shape and size that can be connected with adjacent diaphragm seal; Wherein said horn is divided into taper, with being connected of convenient and adjacent seals sheet; At least the first diaphragm seal and second diaphragm seal link together along their neighboring separately, with form one have seam first sealant, this seam is limited the seam edge of first diaphragm seal and the seam edge of second diaphragm seal; At least one the 3rd diaphragm seal and one the 4th diaphragm seal link together along their neighboring separately, with form one have seam second sealant, this seam is limited the seam edge of the 3rd diaphragm seal and the seam edge of the 4th diaphragm seal; Wherein the seam of first sealant has first longitudinal axis, and the seam of second sealant has second longitudinal axis, and first longitudinal axis becomes angle directed with respect to second longitudinal axis.
When puncturing lever or other apparatuses during through sleeve assembly, floating seal is opened and the surface of puncturing lever or other apparatuses is sealed.But the floating seal preparation technology more complicated of prior art is difficult to reach the effect of sealing.
The utility model content
In view of the defective that above-mentioned prior art exists, the purpose of this utility model is to propose a kind of perforator floating seal assembly simple in structure.
The purpose of this utility model will be achieved through following technical scheme:
A kind of floating seal assembly; Comprise the sealing loam cake and sealing lower cover that interfix; Saidly be provided with a sealing device by in sealing loam cake and the receiving space that forms of sealing lower cover; Said sealing device comprises last retainer ring, sealing ring, the following retainer ring that is tightly fixed each other successively, and said sealing ring is provided with the circular hole that can supply apparatus to pass through, and is connected with at least two elastic strips between said sealing device and sealing loam cake and/or the sealing lower cover.
Preferably, said elastic strip extends the periphery that is arranged at said sealing ring.
Preferably, the periphery of said sealing ring is provided with symmetric 4 elastic strips.
Preferably, the far-end of said elastic strip is provided with annular ring, convexes with reference column on the said sealing lower cover, and annular ring is sheathed on the said reference column.
Preferably, said sealing ring, elastic strip and annular ring one are made.
Preferably, the said retainer ring of going up is provided with and is used to opening that said elastic strip is passed through.
Preferably, be buckle structure between said sealing loam cake and the sealing lower cover.
The beneficial effect of this utility model is mainly reflected in: simple in structure, and good sealing effect, cost is low.
Description of drawings
Fig. 1 is the exploded perspective view of this utility model floating seal assembly.
Fig. 2 is the cutaway view of this utility model floating seal assembly.
The specific embodiment
Shown in Fig. 1-2, this utility model provides a kind of floating seal assembly of perforator, comprises the sealing loam cake 1 and sealing lower cover 5 that interfix.Preferably, be buckle structure between said sealing loam cake 1 and the sealing lower cover 5, sealing loam cake 1 is provided with buckle 11 in this preferred embodiment, and is corresponding, and sealing lower cover 5 is provided with through hole 51.
Be provided with a sealing device in the said receiving space that forms by sealing loam cake 1 and sealing lower cover 5; Said sealing device comprises last retainer ring 2, sealing ring 3, the following retainer ring 4 that is tightly fixed each other successively, and said sealing ring 3 is provided with the circular hole 31 that can supply medical apparatus and instruments to pass through.In this preferred embodiment, last retainer ring 2 and sealing ring 3 include the space of an indent, play the effect that the guiding medical apparatus and instruments passes through circular hole 31 smoothly.Sealing ring 3 also is an elastomeric material, and circular hole 31 can supply the different-diameter medical apparatus and instruments to pass through in its regime of elastic deformation.The periphery of sealing ring 3 and last retainer ring 2 interference fit, the periphery of following retainer ring 4 and sealing ring 3 interference fit, like this, last retainer ring 2, sealing ring 3, sealing fully between retainer ring 4 threes down.
In this preferred embodiment, the periphery of said sealing ring 3 is provided with symmetric 4 elastic strips 32.Said elastic strip 32 extends the periphery that is arranged at said sealing ring 3.The far-end of said elastic strip 32 is provided with annular ring 33, convexes with reference column 53 on the said sealing lower cover 5, and annular ring 33 is sheathed on the said reference column 53.Preferably, said sealing ring 3, elastic strip 32 and annular ring 33 one manufacturings promptly all are that elastomeric material makes, rubber strip for example, the flexible again function of existing sealing function.When institute's medical apparatus and instruments during through said sealing ring 3; Because operation demand; Apparatus can be with the sealing ring swing, because the distortion of elastic strip better elastic can make sealing ring follow the medical apparatus and instruments swing; But the place that sealing ring contacts with apparatus keeps closely contacting with apparatus all the time, realizes good airtight effect.Said go up also to be provided with on the retainer ring 2 be used to opening 22 that said elastic strip 32 is passed through, guarantee that like this elastic strip can stretch from the space of the indent of last retainer ring 2.
This utility model in use, when medical apparatus and instruments swung behind the circular hole that passes sealing ring 31, the tension through elastic strip 32 realized floating and waves, and guarantees airtight.
This utility model still has numerous embodiments; For example cover in the sealing and be provided with reference column; The elastic strip of said sealing device promptly is connected with the sealing loam cake, all employing equivalents or equivalent transformation and all technical schemes of forming all drop within the protection domain of this utility model.
Claims (7)
1. floating seal assembly; It is characterized in that: comprise the sealing loam cake and sealing lower cover that interfix; Saidly be provided with a sealing device by in sealing loam cake and the receiving space that forms of sealing lower cover; Said sealing device comprises last retainer ring, sealing ring, the following retainer ring that is tightly fixed each other successively, and said sealing ring is provided with the circular hole that can supply apparatus to pass through, and is connected with at least two elastic strips between said sealing device and sealing loam cake and/or the sealing lower cover.
2. floating seal assembly according to claim 1 is characterized in that: said elastic strip extends the periphery that is arranged at said sealing ring.
3. floating seal assembly according to claim 2 is characterized in that: the periphery of said sealing ring is provided with symmetric 4 elastic strips.
4. floating seal assembly according to claim 3 is characterized in that: the far-end of said elastic strip is provided with annular ring, convexes with reference column on the said sealing lower cover, and annular ring is sheathed on the said reference column.
5. floating seal assembly according to claim 4 is characterized in that: said sealing ring, elastic strip and annular ring one are made.
6. floating seal assembly according to claim 5 is characterized in that: the said retainer ring of going up is provided with and is used to opening that said elastic strip is passed through.
7. floating seal assembly according to claim 1 is characterized in that: be buckle structure between said sealing loam cake and the sealing lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120435893 CN202313634U (en) | 2011-11-07 | 2011-11-07 | Floating seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120435893 CN202313634U (en) | 2011-11-07 | 2011-11-07 | Floating seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202313634U true CN202313634U (en) | 2012-07-11 |
Family
ID=46425644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120435893 Withdrawn - After Issue CN202313634U (en) | 2011-11-07 | 2011-11-07 | Floating seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202313634U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103083067A (en) * | 2011-11-07 | 2013-05-08 | 苏州天臣国际医疗科技有限公司 | Floating sealing assembly |
| CN104717931A (en) * | 2012-09-28 | 2015-06-17 | 柯惠Lp公司 | Optical trocar visualization system and apparatus |
| CN105662545A (en) * | 2014-11-16 | 2016-06-15 | 广州迪克医疗器械有限公司 | Radial sealing assembly, end sealing element and puncture device |
| US11357542B2 (en) | 2019-06-21 | 2022-06-14 | Covidien Lp | Valve assembly and retainer for surgical access assembly |
| US11446058B2 (en) | 2020-03-27 | 2022-09-20 | Covidien Lp | Fixture device for folding a seal member |
| US11717321B2 (en) | 2020-04-24 | 2023-08-08 | Covidien Lp | Access assembly with retention mechanism |
| US11812991B2 (en) | 2019-10-18 | 2023-11-14 | Covidien Lp | Seal assemblies for surgical access assemblies |
-
2011
- 2011-11-07 CN CN 201120435893 patent/CN202313634U/en not_active Withdrawn - After Issue
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103083067A (en) * | 2011-11-07 | 2013-05-08 | 苏州天臣国际医疗科技有限公司 | Floating sealing assembly |
| CN103083067B (en) * | 2011-11-07 | 2015-04-29 | 苏州天臣国际医疗科技有限公司 | Floating sealing assembly |
| CN104717931A (en) * | 2012-09-28 | 2015-06-17 | 柯惠Lp公司 | Optical trocar visualization system and apparatus |
| US11529169B2 (en) | 2012-09-28 | 2022-12-20 | Covidien Lp | Optical trocar visualization system and apparatus |
| CN107361827A (en) * | 2012-09-28 | 2017-11-21 | 柯惠Lp公司 | Optical ferrule pin visualization system and equipment |
| US10588662B2 (en) | 2012-09-28 | 2020-03-17 | Covidien Lp | Optical trocar visualization system and apparatus |
| CN105662545B (en) * | 2014-11-16 | 2019-04-26 | 广州迪克医疗器械有限公司 | Radial seal assembly, end seal and puncture outfit |
| JP2019055323A (en) * | 2014-11-16 | 2019-04-11 | グァンジョウ ティー．ケー メディカル インストゥルメンツ カンパニー リミテッドＧｕａｎｇｚｈｏｕ Ｔ．Ｋ Ｍｅｄｉｃａｌ Ｉｎｓｔｒｕｍｅｎｔ Ｃｏ．，Ｌｔｄ． | Radial sealing assembly, end sealing piece, and trocar |
| CN105662545A (en) * | 2014-11-16 | 2016-06-15 | 广州迪克医疗器械有限公司 | Radial sealing assembly, end sealing element and puncture device |
| US11357542B2 (en) | 2019-06-21 | 2022-06-14 | Covidien Lp | Valve assembly and retainer for surgical access assembly |
| US11812991B2 (en) | 2019-10-18 | 2023-11-14 | Covidien Lp | Seal assemblies for surgical access assemblies |
| US11446058B2 (en) | 2020-03-27 | 2022-09-20 | Covidien Lp | Fixture device for folding a seal member |
| US11717321B2 (en) | 2020-04-24 | 2023-08-08 | Covidien Lp | Access assembly with retention mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20150429 |