CN110384545A - Sealing device and puncture tube with double screening glass - Google Patents
Sealing device and puncture tube with double screening glass Download PDFInfo
- Publication number
- CN110384545A CN110384545A CN201810346734.3A CN201810346734A CN110384545A CN 110384545 A CN110384545 A CN 110384545A CN 201810346734 A CN201810346734 A CN 201810346734A CN 110384545 A CN110384545 A CN 110384545A
- Authority
- CN
- China
- Prior art keywords
- screening glass
- ring
- seal
- sealing device
- positioning
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 64
- 238000012216 screening Methods 0.000 title claims abstract description 64
- 238000007789 sealing Methods 0.000 title claims abstract description 41
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000011796 hollow space material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 240000007643 Phytolacca americana Species 0.000 description 3
- 235000009074 Phytolacca americana Nutrition 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of sealing devices with double screening glass, including shell and seal member；The shell includes upper shell and lower casing；The seal member is arranged between upper shell and lower casing, including upper ring block, upper screening glass, seal, lower screening glass and lower ring block；The upper ring block is fixedly connected with lower ring block, sets gradually screening glass, seal, lower screening glass between the two；The upper shell has the first compacting ring；The lower casing has the second compacting ring；Seal is fixed using the first compacting ring and the second compacting ring.Sealing device structure with double screening glass of the invention is simple; it is easy to use; can effectively reduce puncture needle and endoscopic instruments insert or pull out the plug resistance of puncture tube, at the same can also effective protection seal be not punctured in swapping process, greatly reduce operation risk.The invention also discloses a kind of puncture tubes of sealing device that double screening glass are had containing this.
Description
Technical field
The present invention relates to puncture outfit technical field, especially a kind of sealing device and puncture tube with double screening glass.
Background technique
Popularity rate of the Minimally Invasive Surgery on clinical operation is higher and higher, and puncture outfit is required a kind of doctor in Minimally Invasive Surgery
Treat instrument.Puncture tube is a part of puncture outfit, and sealing device is the core component of puncture tube.General diameter in the prior art
It is funnel type sealing ring to sealing ring, usually will be installed sealing ring screening glass on the top of funnel type sealing ring, so that instrument exists
When passing in and out puncture outfit, inwardly moved through radial direction seal ring along the surface of screening glass, but this puncture outfit exists when in use
It is biggish to poke risk.CN206675578U discloses a kind of sealing ring screening glass for puncture outfit, end seal assembly and wears
Device is pierced, mainly existing sealing ring screening glass is improved, its sealing ring screening glass includes positioning skirt, support chip
And curved surface screening glass, there is the shortcomings that structure is complicated, and assembling is difficult, high production cost.
The puncture tube that therefore, it is necessary to a kind of structures simply, energy effective protection seal is not punctured in swapping process.
Summary of the invention
The first purpose of this invention is to provide a kind of sealing device with double screening glass.
Second object of the present invention is to provide a kind of puncture tube containing aforementioned seal device.
To realize that above-mentioned first purpose, the present invention use the following contents:
A kind of sealing device with double screening glass, including shell and seal member；The shell includes upper shell under
Shell；The seal member is arranged between upper shell and lower casing, including upper ring block, upper screening glass, seal, lower screening glass
With lower ring block；The upper ring block is fixedly connected with lower ring block, sets gradually screening glass, seal, lower screening glass between the two；
The upper shell has the first compacting ring；The lower casing has the second compacting ring；Utilize the first compacting ring and the second compacting ring
Seal is fixed.
Further, the lower casing also has locating slot；The seal has skirt and positioning ring group；The positioning
Ring group is connect with locating slot, and skirt is located in locating slot.
Further, the seal includes sequentially connected skirt, positioning ring group, locating ring and center from outside to inside
Piece；The positioning ring group includes the first positioning ring, the second positioning ring and the recess between the first positioning ring, the second positioning ring
Portion；There are several third location holes on the locating ring；The centre slice has upper and lower surfaces.
Further, the upper screening glass is located at the upper surface of the centre slice of seal, and lower screening glass is located at seal
Centre slice lower surface at.
Further, the seal member includes the upper screening glass that two panels is staggeredly superimposed and the lower protection that two panels is staggeredly superimposed
Piece.
Further, the upper screening glass periphery has several second location holes, and center is made of four the first guide pins,
Hollow space is darted similar to quadrangle；The lower screening glass periphery has several 4th location holes, and center is by four the second guide pins
It constitutes, hollow space is darted similar to quadrangle.
Further, there are several first positioning holes on the upper ring block；It is several fixed that the upper surface of the lower ring block has
Position boss；The upper ring block is fixedly connected through first positioning hole with positioning convex platform with lower ring block.
To realize that above-mentioned second purpose, the present invention use the following contents:
A kind of puncture tube contains the sealing device above-mentioned with double screening glass.
Further, the puncture tube includes collar tube sub-assembly and sealing device；Described sleeve pipe component includes switch seal, bottom
Flap, air shuttle valve, pedestal, O-ring, casing, switch, gas injection valve.
The invention has the following advantages that
The sealing device structure with double screening glass of the invention is simple, easy to use, can effectively reduce puncture needle and
Endoscopic instruments insert or pull out the plug resistance of puncture tube, at the same can also effective protection seal do not stabbed in swapping process
It is broken, greatly reduce operation risk.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is the cross-sectional view of the sealing device with double screening glass of the invention.
Fig. 2 is the decomposition diagram of the sealing device with double screening glass of the invention.
Fig. 3 is the cross-sectional view of upper shell of the invention.
Fig. 4 is the cross-sectional view of lower casing of the invention.
Fig. 5 is the stereoscopic schematic diagram of seal of the invention.
Fig. 6 is the cross-sectional view of seal of the invention.
Fig. 7 is the stereoscopic schematic diagram of upper screening glass of the invention.
Fig. 8 is the stereoscopic schematic diagram of lower screening glass of the invention.
Fig. 9 is the structural schematic diagram of the puncture tube with double screening glass sealing devices of the invention.
Figure 10 is the decomposition diagram of the puncture tube with double screening glass sealing devices of the invention.
In figure, each appended drawing reference are as follows:
1- sealing device；The upper shell of 10-；The first compacting ring of 100-；101- first shell ontology；The upper ring block of 11-；110- first
Location hole；The upper screening glass of 12-；120- second location hole；The first guide pin of 121-；13- seal；130- centre slice；1301-
Rib；The upper surface 1302-；The lower surface 1303-；The skirt 131-；132- locating ring；1321- third location hole；133- positioning ring group；
The first positioning ring of 1331-；The second positioning ring of 1332-；1333- recessed portion；Screening glass under 14-；The 4th location hole of 140-；141-
Two guide pins；Ring block under 15-；150- positioning convex platform；16- lower casing；The second compacting ring of 160-；161- locating slot；162- second
Shell ontology；17- switch seal；18- base cover；19- air shuttle valve；20- pedestal；21-O shape circle；22- casing；23- switch；24- note
Air valve.
Specific embodiment
In order to illustrate more clearly of the present invention, below with reference to preferred embodiment, the present invention is described further.Ability
Field technique personnel should be appreciated that following specifically described content is illustrative and be not restrictive, this should not be limited with this
The protection scope of invention.
Embodiment
It as illustrated in fig. 1 and 2, is the schematic diagram of the sealing device with double screening glass of the invention.It should be with double screening glass
Sealing device 1 include shell and seal member, all have hole in shell and seal member center.
Shell includes upper shell 10 and lower casing 16.Upper shell 10 is located at the upper end of lower casing 16, can pass through between the two
Buckle, screw thread, welding etc. mode are fixedly connected.In the present embodiment, using ultrasonic bonding connection.Upper shell 10 has first
Shell ontology 101 has the first compacting ring 100, as shown in Figure 3 inside it.Lower casing 16 has second shell ontology 162, at it
Upper surface has the second compacting ring 160, is externally provided with locating slot 161 in the second compacting ring 160, as shown in Figure 4.
Seal member is arranged between upper shell 10 and lower casing 16, including upper ring block 11, upper screening glass 12, seal
13, lower screening glass 14 and lower ring block 15, upper ring block 11 are fixedly connected with lower ring block 15, set gradually from top to bottom between the two
Screening glass 12, seal 13, lower screening glass 14.
There are several first positioning holes 110 on upper ring block 11.
Upper 12 periphery of screening glass has several second location holes 120, and center is made of four the first guide pins 121, hollow
The similar quadrangle in part darts, as shown in Figure 7.
Figures 5 and 6 are the schematic diagrames of seal 13.Seal 13 includes sequentially connected skirt 131, positioning ring from outside to inside
Group 133, locating ring 132 and centre slice 130.Positioning ring group 133 includes the first positioning ring 1331, the second positioning ring 1332 and is located at
Recessed portion 1333 between first positioning ring 1331, the second positioning ring 1332.When assembling, positioning ring group 133 and locating slot 161 connect
It connects, skirt 131 is located in locating slot 161, using the first compacting ring 100 and the second compacting ring 160 that seal 13 is fixed.Positioning
There are several third location holes 1321 on circle 132.Centre slice 130 has upper surface 1302 and lower surface 1303, in upper surface
1302 and lower surface 1303 on be evenly distributed with several ribs 1301.
Lower 14 periphery of screening glass has several 4th location holes 140, and center is made of four the second guide pins 141, hollow
The similar quadrangle in part darts, as shown in Figure 8.When assembling, two on piece screening glass 12, which interlock, is superimposed upon the upper surface of seal 13
At 1302, screening glass 14 is staggeredly superimposed upon at the lower surface 1303 of seal 13 under two panels, and second location hole the 120, the 4th positions
Hole 140 is aligned with the third location hole 1321 of seal 13.
The upper surface of lower ring block 15 has several positioning convex platforms 150.When assembling, positioning convex platform 150 and first positioning hole 110
It is fixedly connected, realization positions upper screening glass 12, seal 13 and lower screening glass 14.
When puncture needle or endoscopic instrument insertion sealing device 1, connect first with the first guide pin 121 of upper screening glass 12
Touching, contacts without the upper surface 1302 directly with seal 13, can effectively prevent the point of puncture needle or endoscopic instrument outer surface
Sharp thing pokes seal 13 during insertion.
When puncture needle or endoscopic instrument extract sealing device 1, connect first with the second guide pin 141 of lower screening glass 14
Touching, contacts without the lower surface 1303 directly with seal 13, can effectively prevent falling for puncture needle or endoscopic instrument outer surface
Thorn object pokes seal 13 in withdrawal process.
It as shown in Figures 9 and 10, is the structural schematic diagram of the puncture tube with double screening glass sealing devices of the invention.This is worn
Thorn pipe includes collar tube sub-assembly and sealing device 1, and collar tube sub-assembly is snapped connection with sealing device 1.Collar tube sub-assembly includes switch seal
17, base cover 18, air shuttle valve 19, pedestal 20, O-ring 21, casing 22, switch 23, gas injection valve 24.Switch seal 17 is elasticity
Part, flexible fastening is in the upper end of base cover 18.Base cover 18 and pedestal 20 are welded to connect, while air shuttle valve 19 is fixed on pedestal
In 20.21 sets of O-ring is on casing 22.Casing 22 is snapped connection with pedestal 20.Switch 23 is flexibly connected with gas injection valve 24.Gas injection
Valve 24 is fixedly connected with pedestal 20.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (9)
1. a kind of sealing device with double screening glass, which is characterized in that including shell and seal member；The shell includes upper
Shell and lower casing；The seal member is arranged between upper shell and lower casing, including upper ring block, upper screening glass, seal,
Lower screening glass and lower ring block；The upper ring block is fixedly connected with lower ring block, set gradually between the two screening glass, seal,
Lower screening glass；The upper shell has the first compacting ring；The lower casing has the second compacting ring；Utilize the first compacting ring and
Two compacting rings fix seal.
2. sealing device according to claim 1, which is characterized in that the lower casing also has locating slot；The sealing
Body has skirt and positioning ring group；The positioning ring group is connect with locating slot, and skirt is located in locating slot.
3. sealing device according to claim 2, which is characterized in that the seal includes sequentially connected from outside to inside
Skirt, positioning ring group, locating ring and centre slice；The positioning ring group is including the first positioning ring, the second positioning ring and positioned at first
Recessed portion between positioning ring, the second positioning ring；There are several third location holes on the locating ring；The centre slice has upper
Surface and lower surface.
4. sealing device according to claim 3, which is characterized in that the upper screening glass is located at the centre slice of seal
At upper surface, lower screening glass is located at the lower surface of the centre slice of seal.
5. sealing device according to claim 1, which is characterized in that the seal member include two panels interlock be superimposed it is upper
The lower screening glass that screening glass and two panels are staggeredly superimposed.
6. sealing device according to claim 1 or 5, which is characterized in that the upper screening glass periphery has several second
Location hole, center are made of four the first guide pins, and hollow space is darted similar to quadrangle；The lower screening glass periphery has several
4th location hole, center are made of four the second guide pins, and hollow space is darted similar to quadrangle.
7. sealing device according to claim 1, which is characterized in that have several first positioning holes on the upper ring block；
The upper surface of the lower ring block has several positioning convex platforms；The upper ring block and lower ring block are solid through first positioning hole and positioning convex platform
Fixed connection.
8. a kind of puncture tube, which is characterized in that contain the sealing dress as claimed in claim 1 with double screening glass
It sets.
9. puncture tube according to claim 8, which is characterized in that the puncture tube includes collar tube sub-assembly and sealing device；
Described sleeve pipe component includes switch seal, base cover, air shuttle valve, pedestal, O-ring, casing, switch, gas injection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346734.3A CN110384545A (en) | 2018-04-18 | 2018-04-18 | Sealing device and puncture tube with double screening glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346734.3A CN110384545A (en) | 2018-04-18 | 2018-04-18 | Sealing device and puncture tube with double screening glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110384545A true CN110384545A (en) | 2019-10-29 |
Family
ID=68283262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810346734.3A Pending CN110384545A (en) | 2018-04-18 | 2018-04-18 | Sealing device and puncture tube with double screening glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110384545A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030195472A1 (en) * | 1991-10-18 | 2003-10-16 | Green David T. | Valve assembly for introducing instruments into body cavities |
| WO2012131746A1 (en) * | 2011-04-01 | 2012-10-04 | Mysui S.R.L. | Seal device for trocar and related trocar |
| CN202637062U (en) * | 2012-07-03 | 2013-01-02 | 常州威克医疗器械有限公司 | Disposable puncture outfit sealing device for minimal invasion |
| CN104095672A (en) * | 2013-04-15 | 2014-10-15 | 广州迪克医疗器械有限公司 | Universal sealing ring and puncture device |
| CN104799913A (en) * | 2015-04-08 | 2015-07-29 | 安徽奥弗医疗设备科技股份有限公司 | Chock valve for puncture outfit for laparoscope |
| CN208851598U (en) * | 2018-04-18 | 2019-05-14 | 微氪医疗器械南通有限公司 | Sealing device and puncture tube with double screening glass |
-
2018
- 2018-04-18 CN CN201810346734.3A patent/CN110384545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030195472A1 (en) * | 1991-10-18 | 2003-10-16 | Green David T. | Valve assembly for introducing instruments into body cavities |
| WO2012131746A1 (en) * | 2011-04-01 | 2012-10-04 | Mysui S.R.L. | Seal device for trocar and related trocar |
| CN202637062U (en) * | 2012-07-03 | 2013-01-02 | 常州威克医疗器械有限公司 | Disposable puncture outfit sealing device for minimal invasion |
| CN104095672A (en) * | 2013-04-15 | 2014-10-15 | 广州迪克医疗器械有限公司 | Universal sealing ring and puncture device |
| CN104799913A (en) * | 2015-04-08 | 2015-07-29 | 安徽奥弗医疗设备科技股份有限公司 | Chock valve for puncture outfit for laparoscope |
| CN208851598U (en) * | 2018-04-18 | 2019-05-14 | 微氪医疗器械南通有限公司 | Sealing device and puncture tube with double screening glass |
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