CN205198254U - Controllable formula former wife who has died's tapping ware - Google Patents
Controllable formula former wife who has died's tapping ware Download PDFInfo
- Publication number
- CN205198254U CN205198254U CN201520962086.6U CN201520962086U CN205198254U CN 205198254 U CN205198254 U CN 205198254U CN 201520962086 U CN201520962086 U CN 201520962086U CN 205198254 U CN205198254 U CN 205198254U
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- China
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- aqueous humor
- anterior chamber
- outer tube
- needle
- chamber device
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Abstract
The utility model discloses a controllable formula former wife who has died's tapping ware, including pjncture needle, needle file, inner tube, outer tube and control valve, the pjncture needle passes through needle file and interior union coupling, needle file and outer union coupling, and outside of tubes including the outer pipe box is equipped with the control valve on the outer tube. The utility model discloses a be equipped with the control valve on the controllable formula former wife who has died's tapping ware outer tube, the flow and the velocity of flow that can the tapping of accurate control former wife who has died.
Description
Technical field
This utility model relates to field of ophthalmological medical equipment, particularly relates to a kind of controllable type Application of releasing aqueous humor of anterior chamber device.
Background technology
Paracentesis of anterior chamber is that a puncture cornea enters anterior chamber; make the clinical ophthalmology technology that aqueous humor flows out from ophthalmic; mainly play the object reducing intraocular pressure fast; this technology is significant to disease protection visual function such as sudden attack of the angle closure glaucoma phase, central retinal artery occlusions, also carries out collection or the other treatment Application of releasing aqueous humor of anterior chamber of aqueous humor specimen by this technology.
At present, the operating theater instruments that paracentesis of anterior chamber uses is mostly syringe and the stab knife of 1ml, and this paracentesis of anterior chamber and operating theater instruments used thereof mainly exist following problem: (1) depth of needle is difficult to control and syringe needle sharply easily damages the surrounding tissue such as iris and crystalline lens; (2) the aqueous humor rate of outflow and discharge control to owe precisely, to cause shallow of anterior chamber and ocular hypotension, cause the complication such as iridoptosis, eyeball internal hemorrhage, detachment of choroid time serious; (3) tube chamber that liquid flows out is connected with the external world possibility causing endophthalmitis mutually.
The people such as Li Sizhen in 2010 devise a kind of paracentesis needle (patent No. is ZL201020158222), this puncture needle tubing wall of the lumen is provided with side opening, the change being changed needle tubing internal gas pressure by the control of contralateral exposure reaches the speed controlling liquid and flow out, but tube chamber is relatively large and length makes the flow speed control of liquid not good enough, the amount of liquid of releasing can not precisely control, and the sharp-pointed easy damaged iris of syringe needle, tube chamber and extraneous also non-fully completely cut off, and cause the possibility having infection.
Zhao in 2014 is purling devises disposable negative pressure paracentesis needle, a kind of safe intraocular pressure lowering paracentesis of anterior chamber cutter (patent No. is ZL201420512835), solve depth of needle wayward, the problem of specimen waste, but flow, flow velocity and vacuum cavitations are not good enough, the sharp-pointed easy damaged iris of syringe needle.
Therefore, it is also extremely urgent for developing a kind of controllable type Application of releasing aqueous humor of anterior chamber device.
Utility model content
In view of this, this utility model provides a kind of controllable type Application of releasing aqueous humor of anterior chamber device, solves the uncontrollable problem of Application of releasing aqueous humor of anterior chamber speed.
The technological means that this utility model adopts is as follows: a kind of controllable type Application of releasing aqueous humor of anterior chamber device, comprise puncture needle, needle stand, interior pipe, outer tube and control valve, described puncture needle is connected with interior pipe by needle stand, and needle stand is connected with outer tube, described outer tube sleeve is outside interior pipe, and outer tube is provided with control valve.
Preferably, outer tube is plastic conduit, and interior pipe is flexible plastic pipe.
Preferably, interior pipe comprises integrated Part I and Part II, and Part I outer surface is provided with scale, and Part II is pouch.
Preferably, outer tube comprises integrated first paragraph pipeline, second segment pipeline and the 3rd segment pipe, and first paragraph pipeline is enclosed within needle stand, and be provided with elastica in the middle of second segment pipeline, elastica fixes described control valve, and the 3rd segment pipe holds pouch.
Preferably, the 3rd segment pipe end is provided with steam vent.
Preferably, also comprise guard bar, guard bar one end is connected with needle stand, and guard bar surface is provided with long recess, and long recess is used for fixing puncture needle.
Preferably, puncture needle needle point is circular arc type.
Preferably, guard bar selects hard white polymeric material.
Adopt a kind of controllable type Application of releasing aqueous humor of anterior chamber device provided by the utility model to be provided with control valve on outer tube, can precisely control aqueous outflow and flow velocity.
Further, interior pipe is provided with scale, can directly observe Application of releasing aqueous humor of anterior chamber amount.
Further, outer tube end is provided with steam vent, and interior pipe is confined space, under the prerequisite not affecting overpressure, reduce bacteriological infection.
Further, the design of guard bar can control depth of needle very well, avoids damage iris and surrounding tissue.And the aqueous humor specimen that interior pipe is collected is easy to collect do application further.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of controllable type Application of releasing aqueous humor of anterior chamber device of the present utility model;
Fig. 2 is the schematic diagram of the puncture needle in Fig. 1;
Fig. 3 is the schematic front view of the control valve in Fig. 1;
Fig. 4 is that schematic diagram is looked on a left side for control valve in Fig. 3;
Fig. 5 is the annexation schematic diagram of guard bar and puncture needle in Fig. 1.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining this utility model, is not intended to limit scope of the present utility model.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of controllable type Application of releasing aqueous humor of anterior chamber device, comprises pin cap 1, puncture needle 2, needle stand 3, outer tube 6, interior pipe 7, control valve 4 and guard bar 9, and pin cap 1 is subject to outside contamination for preventing puncture needle 2; Puncture needle 2 is connected by needle stand 3 with interior pipe 7, and the length of needlepoint of puncture needle 2 is 1mm, and frontal design is circular arc head, prevents from stabbing iris and surrounding tissue; Side is that sharp property is easy to cut and wears cornea and thrust anterior chamber; Needle stand 3 is hard white polymeric material, and diameter is 5mm, and length is 16mm, the slightly little blunt circle in two ends, and the central loincloth portion of needle stand 3 has protruding 31 to do bayonet socket use.
Interior pipe 7 is elasticity transparent hose, and overall length is 80mm, is divided into two parts, and the length of Part I 71 is 60mm, external diameter 2mm, internal diameter 1.5mm, volume 106mm
3, Part I 71 outer surface of interior pipe 7 is provided with scale, and each scale is 10mm
3(being equivalent to 5.66mm inner tube length); Part II 72 to subside pouch for thin-walled, and length is 20mm, diameter 6mm, volume 565mm
3, without air or there is a small amount of air to exist when not using, can drain in pouch by gas in pipelines and aqueous humor when aqueous humor flows out, because affecting without gas pressure intensity, aqueous humor can smooth and easyly be discharged.
Outer tube 6 is enclosed within outside needle stand 3 and is connected with it, and can take off after puncture terminates, outer tube 6 is enclosed within outside interior pipe 7, and outer tube 6 is transparent hard tube, and length is 88mm, and external diameter 7mm is divided into three segment pipes.The internal diameter 5mm of first paragraph pipeline 61, long 7mm, be placed on after needle stand 3; Second segment internal diameter of the pipeline is 3mmm, long 60mm, and open square opening (not marking) in the middle of second segment pipeline 62, square opening is that elastica 5 covers, and the long 21mm of the 3rd segment pipe, expands in cylindric, and internal diameter is 6.5mm, for holding pouch when expanding completely; 3rd segment pipe 63 end is provided with a steam vent 8, diameter 1mm.
Control valve 4 is connected with elastica 5 and is fixed on elastica 5 central authorities, and the surface portion of control valve 4 beyond elastica 5 is dome-type cap, and diameter is 5mm, is highly 3mm; Middle interconnecting piece is cylindricality, high 3mm, end 2*2mm
2; Control valve 4 is partly flat taper within stretching into elastica 5, and height 2mm, control valve 4 end is circular arc, and surface is round and smooth, and arc diameter 3mm is consistent with outer tube wall radian.
Guard bar 9 is hard white polymeric material; in rectangular shaped post, length 12mm, wide 2mm; thick 1mm; guard bar 9 one end is connected with needle stand 3, other end end from syringe needle about the distance 3mm of puncture needle 2, for blunt circle plays shielding angle membrane interaction; guard bar 9 extending shaft surface fluted (not marking); 2/3 pin stalk of puncture needle 2 is firmly embedded in groove, syringe needle is cut when wearing cornea and observes conveniently, and syringe needle thrusts unlikely excessively dark.
A kind of controllable type Application of releasing aqueous humor of anterior chamber device of use the present embodiment carries out Application of releasing aqueous humor of anterior chamber operation technique flow process and is:
1. thumb, middle finger and forefinger are held controllable type anterior chamber simultaneously wear fluid discharger, thumb pushes down control valve, and syringe needle enters anterior chamber from the puncture of cornea periphery;
2. reduce and control mother and refer to pressing dynamics, aqueous humor flow velocity is on demand flowed out, again tight by control valve 4 after reaching the amount of demand, aqueous humor stops flowing out;
3. puncture needle 2 is extracted from cornea, pipe 7 and outer tube 6 in being separated;
4. in extruding, pipe 7 makes aqueous humor outflow can be used for inspection or frozen.
A kind of controllable type Application of releasing aqueous humor of anterior chamber device of the present embodiment is provided with control valve on outer tube, can be good at controlling aqueous outflow and flow velocity; Interior pipe is provided with scale, can directly observe Application of releasing aqueous humor of anterior chamber amount; Outer tube end is provided with air vent, and interior pipe is confined space, under the prerequisite not affecting overpressure, reduce bacteriological infection.In addition, the design of guard bar can control depth of needle very well, avoids damage iris and surrounding tissue.And the aqueous humor specimen that interior pipe is collected is easy to collect do application further.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that this utility model protects.
Claims (8)
1. a controllable type Application of releasing aqueous humor of anterior chamber device, is characterized in that: comprise puncture needle, needle stand, interior pipe, outer tube and control valve, described puncture needle is connected with interior pipe by needle stand, and described needle stand is connected with outer tube, and described outer tube sleeve is outside interior pipe, and outer tube is provided with control valve.
2. a kind of controllable type Application of releasing aqueous humor of anterior chamber device according to claim 1, it is characterized in that: described outer tube is plastic conduit, interior pipe is flexible plastic pipe.
3. a kind of controllable type Application of releasing aqueous humor of anterior chamber device according to claim 2, it is characterized in that: described interior pipe comprises integrated Part I and Part II, and Part I outer surface is provided with scale, Part II is pouch.
4. a kind of controllable type Application of releasing aqueous humor of anterior chamber device according to claim 2, it is characterized in that: described outer tube comprises integrated first paragraph pipeline, second segment pipeline and the 3rd segment pipe, first paragraph pipeline is enclosed within needle stand, elastica is provided with in the middle of second segment pipeline, elastica fixes described control valve, and the 3rd segment pipe holds pouch.
5. a kind of controllable type Application of releasing aqueous humor of anterior chamber device according to claim 4, is characterized in that: the 3rd segment pipe end is provided with steam vent.
6. a kind of controllable type Application of releasing aqueous humor of anterior chamber device according to claim 1, it is characterized in that: also comprise guard bar, described guard bar one end is connected with needle stand, and described guard bar surface is provided with long recess, and long recess is used for fixing puncture needle.
7. a kind of controllable type Application of releasing aqueous humor of anterior chamber device according to claim 1, is characterized in that: described puncture needle needle point is circular arc type.
8. a kind of controllable type Application of releasing aqueous humor of anterior chamber device according to claim 6, is characterized in that: described guard bar selects hard white polymeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962086.6U CN205198254U (en) | 2015-11-26 | 2015-11-26 | Controllable formula former wife who has died's tapping ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962086.6U CN205198254U (en) | 2015-11-26 | 2015-11-26 | Controllable formula former wife who has died's tapping ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205198254U true CN205198254U (en) | 2016-05-04 |
Family
ID=55836003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520962086.6U Expired - Fee Related CN205198254U (en) | 2015-11-26 | 2015-11-26 | Controllable formula former wife who has died's tapping ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205198254U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110621270A (en) * | 2017-03-17 | 2019-12-27 | W.L.戈尔及同仁股份有限公司 | Glaucoma treatment system and method |
| US11617644B2 (en) | 2014-10-13 | 2023-04-04 | W. L. Gore & Associates, Inc. | Prosthetic valved conduit |
| US11678983B2 (en) | 2018-12-12 | 2023-06-20 | W. L. Gore & Associates, Inc. | Implantable component with socket |
-
2015
- 2015-11-26 CN CN201520962086.6U patent/CN205198254U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11617644B2 (en) | 2014-10-13 | 2023-04-04 | W. L. Gore & Associates, Inc. | Prosthetic valved conduit |
| CN110621270A (en) * | 2017-03-17 | 2019-12-27 | W.L.戈尔及同仁股份有限公司 | Glaucoma treatment system and method |
| CN110621270B (en) * | 2017-03-17 | 2021-12-21 | W.L.戈尔及同仁股份有限公司 | Glaucoma treatment system and method |
| US11351058B2 (en) | 2017-03-17 | 2022-06-07 | W. L. Gore & Associates, Inc. | Glaucoma treatment systems and methods |
| US11406533B2 (en) | 2017-03-17 | 2022-08-09 | W. L. Gore & Associates, Inc. | Integrated aqueous shunt for glaucoma treatment |
| US11523940B2 (en) | 2017-03-17 | 2022-12-13 | W. L. Gore & Associates, Inc. | Delivery aids for glaucoma shunts |
| US11678983B2 (en) | 2018-12-12 | 2023-06-20 | W. L. Gore & Associates, Inc. | Implantable component with socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20171126 |