CN203988621U - A kind of safety economy type ultrasonic emulsification syringe needle - Google Patents
A kind of safety economy type ultrasonic emulsification syringe needle Download PDFInfo
- Publication number
- CN203988621U CN203988621U CN201420359854.4U CN201420359854U CN203988621U CN 203988621 U CN203988621 U CN 203988621U CN 201420359854 U CN201420359854 U CN 201420359854U CN 203988621 U CN203988621 U CN 203988621U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic emulsification
- needle body
- syringe needle
- metal connector
- type ultrasonic
- 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- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of safety economy type ultrasonic emulsification syringe needle, comprising: metal connector and plastics needle body, described metal connector and described plastics needle body are Split type structure; Described plastics needle body is connected in after described metal connector, and described metal connector is fixedly connected on the far-end of ultrasonic emulsification handle.The beneficial effects of the utility model are embodied in: adopt the ultrasonic emulsification syringe needle of connector and needle body split design to reduce design difficulty and difficulty of processing, reduced patient's operation cost; Meanwhile, because ultrasonic emulsification syringe needle has adopted plastic raw materials, therefore solve ultrasonic emulsification syringe needle distal tip extremely sharply sharp, very easily punctured the problem of crystal pouch, reduced operation risk, improved the safety of operation.
Description
Technical field
This utility model relates to a kind of safety economy type ultrasonic emulsification syringe needle, belongs to medical instruments field, relates in particular to ophthalmology phacoemulsification field.
Background technology
Recent two decades comes, and the application of supersonic operation is more and more extensive, no matter be in the kind of operation, or in patient's quantity, have unprecedented soaring, especially in the middle of ophthalmology cataract operation, cataract surgery is with its original advantage, extensively by numerous doctors and patient are favored.
Cataract is common blinding oculopathy.In human eye, have a tissue to be called crystalline lens, it is transparent under normal circumstances, and light arrives retina by it and some refractive medias, could clearly see external object.Will affect retina image-forming once muddiness occurs crystalline lens for some reason, make people not see thing.That is to say, it is exactly cataract that lenticular opacity causes visual deterioration.Cataractous operation kind mainly contains: three kinds of intracapsular extraction of cataract (ICCE), extracapsular extraction of cataract (ECCE), phacoemulsification (Phaco).Cataract surgery (Phaco), by introducing China last century, has been cataractous conventional treatments now.For traditional large otch entirety is extractd cataract operation, phacoemulsification (Phaco) is a kind of Minimally Invasive Surgery, on cornea limit, to output a little otch of 2-3 millimeter, stretching into ultrasonic emulsification syringe needle via this little incision smashes muddy crystalline lens and cortex into after chyle shape, by aspirating filling system by the sucking-off of chyle shape thing, keep anterior chamber full, then implantable artificial crystal, sees light again patient simultaneously.Phacoemulsification (Phaco), it uses the core devices of therapeutic equipments ultrasonic emulsification instrument to generally include: supersonic frequency electric generator, ultrasonic emulsification handle and ultrasonic emulsification syringe needle.In ultrasonic emulsification handle, there is electroacoustic conversion body, convert the supersonic frequency signal of telecommunication to supersonic frequency mechanical vibration.The operation principle that ultrasonic emulsification instrument is dispelled cataract tissue is: with power source of ultrasound signal electroacoustic conversion body, electric energy conversion is become to the mechanical energy of the small amplitude of high speed, again by ultrasonic emulsification handle cumulative by Amplitude amplification, this mechanical vibration are applied in tissue and the functions such as addi-tional crusher, cutting, emulsifying, suction, blood coagulation by the ultrasonic emulsification syringe needle connecting again, after making it fragmentation, emulsifying, sucking-off is outside human body, then coordinate implantable artificial crystal, make patient recover vision.With in traditional capsule, compared with extracapsular cataract extraction operation, ultrasonic emulsification treatment has that otch is little, post-operative complication is few and the advantage such as vision restoration is fast.This treatment is also applicable to the cataract immature phase, makes early treatment become possibility.
Generally, ultrasonic emulsification syringe needle is formed by titanium alloy or other metal material processing, the ultrasonic emulsification handle disclosing as Chinese patent 00219630.1 and the linkage interface of ultrasonic emulsification syringe needle design at ultrasonic emulsification syringe needle itself, the afterbody that is ultrasonic emulsification syringe needle is made into the connector for connecting described ultrasonic emulsification handle, and because diameter of bore and the length ratio of ultrasonic emulsification syringe needle itself differ greatly, so difficulty of processing is larger, processing cost is very high.This is for disposable syringe needle, all bring very large economic pressures to doctor and patient, thereby also virtually hindered the universal of this advanced technology and promoted, the patient who has limited developing country's emerging market can make full use of this kind of advanced technology.On the other hand, with the ultrasonic emulsification syringe needle of titanium alloy or the design of other metal materials, its distal tip is extremely sharply sharp, very easily punctures crystal pouch, increases the risk of operation.
Utility model content
The purpose of this utility model is: a kind of safety economy type ultrasonic emulsification syringe needle is provided, and large to solve the difficulty of processing of existing ultrasonic emulsification syringe needle, processing cost is high, and the surgery cost therefore causing is high; And the ultrasonic emulsification syringe needle distal tip that metal material is made is extremely sharply sharp, very easily punctures crystal pouch, increase the technical problem of the risk of operation.
In order to achieve the above object, the technical scheme that this utility model adopts is:
A kind of safety economy type ultrasonic emulsification syringe needle, comprising: metal connector and plastics needle body, and described metal connector and described plastics needle body are Split type structure; Described plastics needle body is connected in after described metal connector, and described metal connector is fixedly connected on the far-end of ultrasonic emulsification handle.
Preferably, described metal connector is provided with the medium pore canal through described metal connector along axis, and described medium pore canal has the shape adapting with described plastics needle body, for holding described plastics needle body; The central axis of described medium pore canal and the central axes of described metal connector.
Preferably, described metal connector comprises threaded portion for connecting ultrasonic emulsification handle and the tapered portion for fixing described plastics needle body, described threaded portion is the external screw thread that is arranged at described connector distal outer surface, described tapered portion is arranged on the near-end of described threaded portion, and described tapered portion is the bullet that adapts to ultrasonic emulsification intracavity of handle.
Preferably, described tapered portion is provided with orthogonal two otch, and the far-end of described threaded portion is provided with fastening part, and the acting surface that described fastening part is Wrench has the shape and size that adapt with Wrench.
Preferably, described plastics needle body is the round tube shape that diameter is unified, and its far-end is wedge structure.Or described plastics needle body is the round tube shape that diameter is unified, its far-end is the wedge structure with bending section.Or described plastics needle body is ladder tubular, its proximal diameter is greater than distal diameter.
The beneficial effects of the utility model are embodied in: adopt the ultrasonic emulsification syringe needle of connector and needle body split design to reduce design difficulty and difficulty of processing, and easy to process with low cost, equally just reduce patient's operation cost; , make because ultrasonic emulsification syringe needle adopts medical resin material meanwhile, therefore solved ultrasonic emulsification syringe needle distal tip extremely sharply sharp, very easily puncture the problem of crystal pouch, reduced operation risk, improved the safety of operation.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of the second embodiment of the present utility model.
Fig. 4 is the structural representation of the 3rd embodiment of the present utility model.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiments are not limited to this utility model, the conversion in structure, method or function that those of ordinary skill in the art makes according to these embodiments is all included in protection domain of the present utility model.
In this utility model, the word of described expression position and direction, is all using exercises on apparatus author as reference, is near-end near one end of operator, is far-end away from one end of operator.
Shown in accompanying drawing 1 and Fig. 2, the structural representation of the ultrasonic emulsification syringe needle of the first embodiment of the present utility model, described ultrasonic emulsification syringe needle, comprising: interconnective metal connector 1 and plastics needle body 2, described metal connector 1 is Split type structure with described plastics needle body 2.Described plastics needle body 2 is connected in after described metal connector 1, and described metal connector 1 is fixedly connected on the far-end of ultrasonic emulsification handle.
The structure of this utility model the first embodiment is once described below: described metal connector 1 adopts medical metal material to make; Described plastics needle body 2 adopts medical resin material to make.Described metal connector 1 is provided with the medium pore canal 14 through described metal connector 1 along axis, described medium pore canal 14 has the shape adapting with described plastics needle body 2, the size of described medium pore canal 14 is slightly larger than the size of described plastics needle body 2, for holding described plastics needle body 2; The central axes of the central axis of described medium pore canal 14 and described metal connector 1, and be the passage through described metal connector 1.
Described metal connector 1 comprises threaded portion 12 for connecting ultrasonic emulsification handle and the tapered portion 11 for fixing described plastics needle body 2, described threaded portion 12 is the external screw threads that are arranged at described connector 1 distal outer surface, described tapered portion 11 is arranged on the near-end of described threaded portion 12, and described tapered portion 11 is the bullets that adapt to ultrasonic emulsification intracavity of handle.Described tapered portion 11 is provided with orthogonal two otch 15, and the far-end of described threaded portion 12 is provided with fastening part 13, and the acting surface that described fastening part 13 is Wrench, has the shape and size that adapt with Wrench.
While applying the ultrasonic emulsification syringe needle of this utility model the first embodiment, the threaded portion of described metal connector 1 12 is engaged with the far-end female thread of ultrasonic emulsification handle, be screwed into the front end of ultrasonic emulsification handle by this threaded engagement by metal connector 1, the tapered portion 11 playing the guiding role can with the laminating that adapts of the taper surface of ultrasonic emulsification handle inside.Now, otch 15 shrinks because clamp-oning extruding in the process being screwed into, i.e. the distolateral gathering of the cone of the taper surface of described tapered portion 11 is also closely attached on the inwall of described ultrasonic emulsification handle.Due to the distortion of otch 15, the diameter of described medium pore canal 14 also can change.Like this, described plastics needle body 2 is just coupled on metal connector 1 rigidly, and then is coupled on the far-end of ultrasonic emulsification handle, supersonic vibration thereby also very effectively pass to supersonic operation tool heads front end.In the first embodiment, described plastics needle body 2 is the round tube shape that diameter is unified, the needle point that its far-end 21 is wedge structure.
With reference to the ultrasonic emulsification syringe needle of the second embodiment described in accompanying drawing 3, the difference of itself and the first embodiment is only: described plastics needle body 2 is the unified round tube shape of diameter, and its far-end 21 is for having the needle point of wedge structure of bending section.In present embodiment, the setting of bending section can improve visual and degree easy to operate.In small operative region, especially at need with in microscopical operation, bending tool heads can allow doctor more easily see, and easily reaches more inaccessible operative region, as corner, dark place.In addition, the needle point that has a bending section also increases the action effect of ultrasonic cavitation.
With reference to the ultrasonic emulsification syringe needle of the 3rd embodiment described in accompanying drawing 4, the difference of itself and the first embodiment and the second embodiment is only: described plastics needle body 2 is ladder tubular, and its near-end 22 diameters are greater than far-end 21 diameters.Reason is: the near-end 22 of needle body has the higher stress due to supersonic vibration generation conventionally, and the diameter that increases near-end 22 is conducive to reduce such stress, reduces the probability of needle body fracture.Because needle body is plastic, so can realize with comparalive ease this structure, be difficult to realize for the metal needle of prior art, its cost is very high.
In this utility model, make because metal connector adopts the metal material of rigidity, it can be fixed with ultrasonic emulsification handle well.Plastics needle body 2 adopts medical resin material to make; The length of plastics needle body 2 need design in certain scope and the not output of induced attenuation supersonic vibration.
Because metal connector 1 and plastics needle body 2 adopt the split-type design of two bodies, design and the difficulty of processing are so just reduced., make because plastics needle body 2 adopts medical resin material meanwhile, also solved the sharply sharp of plastics needle body distal tip, very easily puncture the problem of crystal pouch.This utility model has overcome in prior art owing to will be connected with ultrasonic handpiece to such an extent as to can only take the technology prejudice of metal emulsifying syringe needle, and solved difficulty processing and the most advanced and sophisticated too sharp technical problem of prior art metal emulsifying syringe needle, therefore there is good market prospect.
Be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, for example: plastics needle body 2 of the present utility model is except the preferred medical resin of this utility model, can also adopt medical metal material to make, but with the metal connector Split type structure that is split; In first, second embodiment of the present utility model, the near-end of described plastics needle body 2 also can adopt the design of ladder tubular; Equally, in the 3rd embodiment of the present utility model, the far-end 21 of described plastics needle body 2 is for having the wedge structure of bending section.This narrating mode of description is only for clarity sake, and those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility embodiment of the present utility model; they are not in order to limit protection domain of the present utility model, all do not depart from the equivalent embodiment that this utility model skill spirit does or change and all should be included in protection domain of the present utility model within.
Claims (7)
1. a safety economy type ultrasonic emulsification syringe needle, is characterized in that: comprising: metal connector (1) and plastics needle body (2), and described metal connector (1) is Split type structure with described plastics needle body (2); Described plastics needle body (2) is connected in after described metal connector (1), and described metal connector (1) is fixedly connected on the far-end of ultrasonic emulsification handle.
2. a kind of safety economy type ultrasonic emulsification syringe needle according to claim 1, it is characterized in that: described metal connector (1) is provided with the medium pore canal (14) through described metal connector (1) along axis, described medium pore canal (14) has the shape adapting with described plastics needle body (2), for holding described plastics needle body (2); The central axes of the central axis of described medium pore canal (14) and described metal connector (1).
3. a kind of safety economy type ultrasonic emulsification syringe needle according to claim 1 and 2, it is characterized in that: described metal connector (1) comprises threaded portion (12) for connecting ultrasonic emulsification handle and the tapered portion (11) for fixing described plastics needle body (2), described threaded portion (12) is the external screw thread that is arranged at described connector (1) distal outer surface, described tapered portion (11) is arranged on the near-end of described threaded portion (12), and described tapered portion (11) is the bullet that adapts to ultrasonic emulsification intracavity of handle.
4. a kind of safety economy type ultrasonic emulsification syringe needle according to claim 3, it is characterized in that: described tapered portion (11) is provided with orthogonal two otch (15), the far-end of described threaded portion (12) is provided with fastening part (13), the acting surface that described fastening part (13) is Wrench, has the shape and size that adapt with Wrench.
5. a kind of safety economy type ultrasonic emulsification syringe needle according to claim 1, is characterized in that: described plastics needle body (2) is the unified round tube shape of diameter, and its far-end (21) is wedge structure.
6. a kind of safety economy type ultrasonic emulsification syringe needle according to claim 1, is characterized in that: described plastics needle body (2) is the unified round tube shape of diameter, and its far-end (21) is for having the wedge structure of bending section.
7. a kind of safety economy type ultrasonic emulsification syringe needle according to claim 1, is characterized in that: described plastics needle body (2) is ladder tubular, and its near-end (22) diameter is greater than far-end (21) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359854.4U CN203988621U (en) | 2014-07-02 | 2014-07-02 | A kind of safety economy type ultrasonic emulsification syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359854.4U CN203988621U (en) | 2014-07-02 | 2014-07-02 | A kind of safety economy type ultrasonic emulsification syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203988621U true CN203988621U (en) | 2014-12-10 |
Family
ID=52028707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420359854.4U Withdrawn - After Issue CN203988621U (en) | 2014-07-02 | 2014-07-02 | A kind of safety economy type ultrasonic emulsification syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203988621U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055620A (en) * | 2014-07-02 | 2014-09-24 | 以诺康医疗科技（苏州）有限公司 | Safe and economic ultrasonic emulsification needle |
| WO2016184300A1 (en) * | 2015-05-15 | 2016-11-24 | 以诺康医疗科技（苏州）有限公司 | Ultrasonic vitrectomy probe and device thereof |
| JP2018516612A (en) * | 2015-04-20 | 2018-06-28 | ボシュ・アンド・ロム・インコーポレイテッドＢａｕｓｃｈ ＆ Ｌｏｍｂ Ｉｎｃｏｒｐｏｒａｔｅｄ | Ultrasonic needle and transducer assembly formed from non-metallic materials or combinations of materials |
-
2014
- 2014-07-02 CN CN201420359854.4U patent/CN203988621U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104055620A (en) * | 2014-07-02 | 2014-09-24 | 以诺康医疗科技（苏州）有限公司 | Safe and economic ultrasonic emulsification needle |
| WO2016000482A1 (en) * | 2014-07-02 | 2016-01-07 | 以诺康医疗科技（苏州）有限公司 | Safe and economical ultrasonic emulsification needle |
| CN104055620B (en) * | 2014-07-02 | 2016-03-30 | 以诺康医疗科技（苏州）有限公司 | Safety economy type ultrasonic emulsification syringe needle |
| US10603211B2 (en) | 2014-07-02 | 2020-03-31 | Innolcon Medical Technology (Suzhou) Co. Ltd | Phacoemulsification needle with improved safety and manufacturability |
| JP2018516612A (en) * | 2015-04-20 | 2018-06-28 | ボシュ・アンド・ロム・インコーポレイテッドＢａｕｓｃｈ ＆ Ｌｏｍｂ Ｉｎｃｏｒｐｏｒａｔｅｄ | Ultrasonic needle and transducer assembly formed from non-metallic materials or combinations of materials |
| WO2016184300A1 (en) * | 2015-05-15 | 2016-11-24 | 以诺康医疗科技（苏州）有限公司 | Ultrasonic vitrectomy probe and device thereof |
| US10682255B2 (en) | 2015-05-15 | 2020-06-16 | Innolcon Medical Technology (Suzhou) Co. Ltd | Ultrasonic needle and apparatus applied for vitrectomy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104055620B (en) | Safety economy type ultrasonic emulsification syringe needle | |
| CN203988621U (en) | A kind of safety economy type ultrasonic emulsification syringe needle | |
| CA2878090C (en) | Rounded-end device for preventing posterior capsular opacification | |
| WO2016184300A1 (en) | Ultrasonic vitrectomy probe and device thereof | |
| CN204072457U (en) | A kind of supersonic operation instrument connector and supersonic operation instrument | |
| CN204072458U (en) | Ultrasonic capsulorhexis pin, the supersonic operation instrument of operation is absorbed for cataract | |
| CN203988623U (en) | Ultrasound cut cutter for cataract operation | |
| CN106726121B (en) | It is a kind of can singlehanded control reversely split core tweezer | |
| WO2023138112A1 (en) | Phacoemulsification perfusion assembly | |
| CN104055622B (en) | Ultrasonic capsulorhexis pin, supersonic operation instrument and using method | |
| CN217448205U (en) | Ultrasonic emulsification perfusion assembly | |
| CN103584904B (en) | A kind of ventricular wall puncher | |
| CN211674862U (en) | Capsule membrane polishing injection head | |
| CN104146817B (en) | Supersonic operation instrument connector and supersonic operation instrument | |
| CN202314625U (en) | Human auditory tube washing device | |
| CN104873324A (en) | Reverse chopping hook for cataract surgery | |
| CN213851392U (en) | Wave type nucleus splitting hook | |
| CN203988620U (en) | Cataract operation core splitting device | |
| CN203598103U (en) | Cataract ultrasonic emulsification instrument | |
| CN102784030B (en) | Lenticular nucleus supporter for cataract surgery | |
| CN106806058B (en) | Cataract operation ultrasonic emulsification syringe needle | |
| CN204814387U (en) | Novel tear bag tweezers | |
| CN202801922U (en) | Sleeving bolt for ophthalmic minimally invasive surgery | |
| CN111012573A (en) | Capsule membrane polishing injection head | |
| CN203677368U (en) | Novel crystal nucleus chopping instrument for use in ophthalmic operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |