CN205126367U - Puncture ware of this sealing washer is enclosed and has in radial seal of puncture ware - Google Patents
Puncture ware of this sealing washer is enclosed and has in radial seal of puncture ware Download PDFInfo
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- CN205126367U CN205126367U CN201520955603.7U CN201520955603U CN205126367U CN 205126367 U CN205126367 U CN 205126367U CN 201520955603 U CN201520955603 U CN 201520955603U CN 205126367 U CN205126367 U CN 205126367U
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- funnel
- shaped structure
- perforator
- seal ring
- radial direction
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Abstract
The utility model relates to the technical field of medical equipment, especially, relate to a puncture ware of this sealing washer is enclosed and has in radial seal of puncture ware, including the shirt rim that is used for fixing, the funnel -shaped structure who is used for the direction, the shirt rim sets up in the funnel -shaped structure upper end, funnel -shaped structure's bottom center offer can let surgical instruments penetrate and the sealed coating at the through -hole of surgical instruments periphery, circular structure that corner between the interior terminal surface of through -hole bottom funnel -shaped structure has circumference. The utility model discloses a puncture ware of this sealing washer is enclosed and has in radial seal of puncture ware faces sealing washer and surgical instruments directly contact, makes the cambered surface contact into, not only makes sealing washer and surgical instruments's contact surface laminate more, carries high leakproofness, and the sealing washer is difficult to the fracture with surgical instruments's contact surface department moreover, has prolonged life.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of radial direction seal ring of perforator and has the perforator of sealing circle.
Background technology
Sleeve puncture outfit is a kind of surgical operating instrument, and its main uses carries gas for behind abdominal cavity of puncturing in laparoscopic surgery to intraperitoneal, and pass in and out the passage in abdominal cavity as endoscope and operating theater instruments.
Sleeve puncture outfit mainly comprises sleeve pipe and puncture instrument two parts, and both cooperation realize its puncture function.Elastic seal ring is arranged on the top of puncture casing usually, is convenient to puncture instrument and enters sleeve pipe, and with puncture instrument close contact.During operation, when puncture instrument enters in the sleeve pipe be retained in stomach wall, due to the sealing of sleeve pipe, Intraabdominal air pressure is kept, avoid gas leakage; The setting of elastic seal ring can also ensure that operating theater instruments enters sleeve pipe along cannula center smoothly, plays a part location and sealing in sleeve puncture outfit.
The contact surface of existing elastic seal ring 2 and operating theater instruments 1 as shown in Figure 1, is face contact directly, and such structure has two large defects: 1, poor sealing; 2 once there is crackle in the contact surface of elastic seal ring 2 and operating theater instruments 1, is easy to expand until fracture.
Utility model content
The technical problems to be solved in the utility model is: in order to solve two problems of the prior art, this utility model provides a kind of radial direction seal ring of perforator.
This utility model solves the technical scheme that its technical problem adopts: a kind of radial direction seal ring of perforator, comprise for fixing shirt rim, funnel-shaped structure for leading, described shirt rim is arranged on funnel-shaped structure upper end, the bottom centre of funnel-shaped structure offers and operating theater instruments can be allowed to penetrate and be sealed and coated on the through hole of operating theater instruments periphery, and the corner between the inner face bottom described through hole and funnel-shaped structure has the first arc structure of circumference.The radial direction seal ring of this utility model perforator, by of the prior art face directly contact change into arc surface contact, especially non-straight edged surface must be made in the position of operating theater instruments Contact Seal ring at first, the outer ring of easier than right-angle surface like this operating theater instruments of fitting, further raising sealing property, even and if had small crackle to be also not easy fracture, to tear.
Further, in order to improve sealing property, the corner between the outer face bottom described through hole and funnel-shaped structure has the second arc structure of circumference.
Further, as preferably, the corner between the inner face bottom described through hole and funnel-shaped structure has the interior protuberance of circumference, and interior protuberance is to the internal protrusion of funnel-shaped structure, and the end of interior protuberance is arc structure.
Further, as preferably, the corner between the outer face bottom described through hole and funnel-shaped structure has the male part of circumference, and male part is to the outer projection of funnel-shaped structure, and the end of male part is arc structure.
Further, as preferably, described interior protuberance is symmetrical arranged with male part and the structure that is connected.
Further, as preferably, the junction of the described arc structure of interior protuberance end and the arc structure of male part end and interior protuberance and male part forms the arc structure of one section of rounding off.
In order to improve intensity, as preferably, the inwall of described funnel-shaped structure is provided with the reinforcement of evagination.
The radial direction seal ring of perforator of the present utility model, adopt natural rubber make, elasticity and wearability better than existing silicone rubber O-ring.
A kind of perforator being provided with the radial direction seal ring of perforator described above.
The beneficial effects of the utility model are, the radial direction seal ring of perforator of the present utility model and there is the perforator of sealing circle, sealing ring is faced directly with operating theater instruments and contacts, make cambered surface contact into, the contact surface of sealing ring and operating theater instruments is not only made more to fit, improve sealing, and the contact surface place of sealing ring and operating theater instruments is not easy to rupture, and extends service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is the using state profile of prior art Elastic sealing ring 2 and operating theater instruments 1.
Fig. 2 is the structural representation of embodiment one of the present utility model.
Fig. 3 is the structural representation of embodiment two of the present utility model.
Fig. 4 is the structural representation of embodiment three of the present utility model.
Fig. 5 is the perspective view of embodiment four of the present utility model.
Fig. 6 is the perspective view of embodiment four of the present utility model.
Fig. 7 is the front view of embodiment four of the present utility model.
Fig. 8 is the top view of Fig. 7.
Fig. 9 is the A-A sectional view of Fig. 8.
Figure 10 is the B place enlarged drawing in Fig. 9.
Figure 11 is the perspective view of the embodiment five of utility model.
In Fig. 1: 1, operating theater instruments, 2, elastic seal ring.
In Fig. 2-11: 101, shirt rim, 102, funnel-shaped structure, 1021, reinforcement, 103, through hole, the 104, first arc structure, 105, interior protuberance, 106, male part, 107, junction, 108, the arc structure of rounding off, the 109, second arc structure.
Detailed description of the invention
By reference to the accompanying drawings this utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with this utility model.
Embodiment one
As shown in Figure 2, it is embodiment one of the present utility model, a kind of radial direction seal ring of perforator, employing natural rubber is made, comprise for fixing shirt rim 101, funnel-shaped structure 102 for leading, shirt rim 101 is arranged on funnel-shaped structure 102 upper end, the bottom centre of funnel-shaped structure 102 offers and operating theater instruments 1 can be allowed to penetrate and the through hole 103 being sealed and coated on operating theater instruments 1 periphery, and the corner between the inner face bottom through hole 103 and funnel-shaped structure 102 has the first arc structure 104 of circumference.
A kind of perforator of radial direction seal ring of the perforator be provided with in embodiment one.
Embodiment two
As shown in Figure 3, it is embodiment two of the present utility model, a kind of radial direction seal ring of perforator, employing natural rubber is made, comprise for fixing shirt rim 101, funnel-shaped structure 102 for leading, shirt rim 101 is arranged on funnel-shaped structure 102 upper end, the bottom centre of funnel-shaped structure 102 offers and operating theater instruments 1 can be allowed to penetrate and the through hole 103 being sealed and coated on operating theater instruments 1 periphery, and the corner between the inner face bottom through hole 103 and funnel-shaped structure 102 has the first arc structure 104 of circumference.Corner between outer face bottom through hole 103 and funnel-shaped structure 102 has the second arc structure 109 of circumference.
A kind of perforator of radial direction seal ring of the perforator be provided with in embodiment two.
As shown in Figure 4, it is embodiment three of the present utility model, a kind of radial direction seal ring of perforator, employing natural rubber is made, comprise for fixing shirt rim 101, for the funnel-shaped structure 102 led, shirt rim 101 is arranged on funnel-shaped structure 102 upper end, the bottom centre of funnel-shaped structure 102 offers and operating theater instruments 1 can be allowed to penetrate and the through hole 103 being sealed and coated on operating theater instruments 1 periphery, corner between inner face bottom through hole 103 and funnel-shaped structure 102 has the interior protuberance 105 of circumference, interior protuberance 105 is to the internal protrusion of funnel-shaped structure 102, the end of interior protuberance 105 is arc structure, corner between outer face bottom through hole 103 and funnel-shaped structure 102 has the male part 106 of circumference, male part 106 is to the outer projection of funnel-shaped structure 102, the end of male part 106 is arc structure, interior protuberance 105 is symmetrical arranged and the structure that is connected with male part 106.
A kind of perforator of radial direction seal ring of the perforator be provided with in embodiment three.
Embodiment four
As shown in Figure 5-10, it is embodiment four of the present utility model, a kind of radial direction seal ring of perforator, employing natural rubber is made, comprise for fixing shirt rim 101, for the funnel-shaped structure 102 led, shirt rim 101 is arranged on funnel-shaped structure 102 upper end, the bottom centre of funnel-shaped structure 102 offers and operating theater instruments 1 can be allowed to penetrate and the through hole 103 being sealed and coated on operating theater instruments 1 periphery, corner between inner face bottom through hole 103 and funnel-shaped structure 102 has the interior protuberance 105 of circumference, interior protuberance 105 is to the internal protrusion of funnel-shaped structure 102, the end of interior protuberance 105 is arc structure, corner between outer face bottom through hole 103 and funnel-shaped structure 102 has the male part 106 of circumference, male part 106 is to the outer projection of funnel-shaped structure 102, the end of male part 106 is arc structure, interior protuberance 105 is symmetrical arranged and the structure that is connected with male part 106, the arc structure of interior protuberance 105 end and the arc structure of male part 106 end and the junction 107 of interior protuberance 105 and male part 106 form the arc structure 108 (namely cross section is more than half circle) of one section of rounding off.
A kind of perforator of radial direction seal ring of the perforator be provided with in embodiment four.
Embodiment five
As shown in figure 11, the present embodiment on the basis of enforcement one, two, three or four, the inwall of funnel-shaped structure 102 can evenly be provided with the reinforcement 1021 of evagination.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content in description, must determine its technical scope according to right.
Claims (9)
1. the radial direction seal ring of a perforator, it is characterized in that: comprise for fixing shirt rim (101), funnel-shaped structure (102) for leading, described shirt rim (101) is arranged on funnel-shaped structure (102) upper end, the bottom centre of funnel-shaped structure (102) offers and operating theater instruments (1) can be allowed to penetrate and the through hole (103) being sealed and coated on operating theater instruments (1) periphery, and the corner between the inner face of described through hole (103) and funnel-shaped structure (102) bottom has first arc structure (104) of circumference.
2. the radial direction seal ring of perforator as claimed in claim 1, is characterized in that: the corner between the outer face of described through hole (103) and funnel-shaped structure (102) bottom has second arc structure (109) of circumference.
3. the radial direction seal ring of perforator as claimed in claim 1, it is characterized in that: the corner between the inner face of described through hole (103) and funnel-shaped structure (102) bottom has the interior protuberance (105) of circumference, interior protuberance (105) is to the internal protrusion of funnel-shaped structure (102), and the end of interior protuberance (105) is arc structure.
4. the radial direction seal ring of perforator as claimed in claim 3, it is characterized in that: the corner between the outer face of described through hole (103) and funnel-shaped structure (102) bottom has the male part (106) of circumference, male part (106) is to the outer projection of funnel-shaped structure (102), and the end of male part (106) is arc structure.
5. the radial direction seal ring of perforator as claimed in claim 4, is characterized in that: described interior protuberance (105) is symmetrical arranged and the structure that is connected with male part (106).
6. the radial direction seal ring of perforator as claimed in claim 5, is characterized in that: the junction (107) of the described arc structure of interior protuberance (105) end and the arc structure of male part (106) end and interior protuberance (105) and male part (106) forms the arc structure (108) of one section of rounding off.
7. the radial direction seal ring of perforator as claimed in claim 1, is characterized in that: the reinforcement (1021) inwall of described funnel-shaped structure (102) being provided with evagination.
8. the radial direction seal ring of the perforator as described in any one of claim 1-7, is characterized in that: adopt natural rubber to make.
9. one kind is provided with the perforator of the radial direction seal ring of the perforator described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955603.7U CN205126367U (en) | 2015-11-26 | 2015-11-26 | Puncture ware of this sealing washer is enclosed and has in radial seal of puncture ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520955603.7U CN205126367U (en) | 2015-11-26 | 2015-11-26 | Puncture ware of this sealing washer is enclosed and has in radial seal of puncture ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205126367U true CN205126367U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520955603.7U Active CN205126367U (en) | 2015-11-26 | 2015-11-26 | Puncture ware of this sealing washer is enclosed and has in radial seal of puncture ware |
Country Status (1)
| Country | Link |
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| CN (1) | CN205126367U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137341A (en) * | 2016-08-02 | 2016-11-23 | 成都五义医疗科技有限公司 | A kind of hourglass shape diaphragm seal containing groove and assembly |
| CN106510774A (en) * | 2016-08-02 | 2017-03-22 | 成都五义医疗科技有限公司 | A multiangular puncture outfit sealing film with grooves |
| WO2018024104A1 (en) * | 2016-08-02 | 2018-02-08 | 成都五义医疗科技有限公司 | Trocar sealing film comprising multi-dimensional pleats |
-
2015
- 2015-11-26 CN CN201520955603.7U patent/CN205126367U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137341A (en) * | 2016-08-02 | 2016-11-23 | 成都五义医疗科技有限公司 | A kind of hourglass shape diaphragm seal containing groove and assembly |
| CN106510774A (en) * | 2016-08-02 | 2017-03-22 | 成都五义医疗科技有限公司 | A multiangular puncture outfit sealing film with grooves |
| WO2018024105A1 (en) * | 2016-08-02 | 2018-02-08 | 成都五义医疗科技有限公司 | Multiangular trocar sealing membrane having recesses |
| WO2018024104A1 (en) * | 2016-08-02 | 2018-02-08 | 成都五义医疗科技有限公司 | Trocar sealing film comprising multi-dimensional pleats |
| CN106510774B (en) * | 2016-08-02 | 2018-06-29 | 成都五义医疗科技有限公司 | A kind of polygonal puncture outfit diaphragm seal containing groove |
| CN106137341B (en) * | 2016-08-02 | 2018-12-25 | 成都五义医疗科技有限公司 | A kind of hourglass shape sealing film and component containing groove |
| CN109394313A (en) * | 2016-08-02 | 2019-03-01 | 成都五义医疗科技有限公司 | A kind of hourglass shape sealing film and component |
| US10912584B2 (en) | 2016-08-02 | 2021-02-09 | 5Rmed Technology(Chengdu) Co., Ltd. | Trocar seal membrane comprising multi-dimensional pleats |
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| GR01 | Patent grant |