CN202288610U - Artificial crystal push rod and artificial crystal implanting device - Google Patents
Artificial crystal push rod and artificial crystal implanting device Download PDFInfo
- Publication number
- CN202288610U CN202288610U CN2011203694317U CN201120369431U CN202288610U CN 202288610 U CN202288610 U CN 202288610U CN 2011203694317 U CN2011203694317 U CN 2011203694317U CN 201120369431 U CN201120369431 U CN 201120369431U CN 202288610 U CN202288610 U CN 202288610U
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- push rod
- intraocular lenses
- artificial intraocular
- artificial crystal
- artificial
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Abstract
The utility model discloses an artificial crystal push rod and an artificial crystal implanting device. The artificial crystal push rod is provided with a fork-shaped push rod head formed by an upper half portion and a lower half portion. The artificial crystal push rod is characterized in that the lower surface of the lower half portion of the fork-shaped push rod head is provided with a buffering inclined plane which forms an included angle beta with an inner wall of an implanting-head gradually-shrinking portion along counter clockwise rotating direction, and the included angle beta is within a range from 0 degrees to 10 degrees. The utility model further discloses an artificial crystal implanting device provided with the artificial crystal push rod. The artificial crystal push rod and the artificial crystal implanting device are safe and reliable, broken pieces caused by friction during the artificial crystal implanting process can be effectively avoided, and accordingly intraocular inflammation caused by the fact that the broken pieces generated when the inner wall of the implanting-head gradually-shrinking portion is scratched by the push rod head is pushed into the human eye along with an artificial crystal is avoided.
Description
Technical field
This utility model relates generally to a kind of artificial intraocular lenses's push rod and a kind of intraocular lens injector.Particularly, this utility model relates to a kind of artificial intraocular lenses's push rod and a kind of intraocular lens injector with said artificial intraocular lenses's push rod that can avoid ophthalmic entering foreign body in artificial intraocular lenses's implantation process.
Background technology
In the formula of the injecting artificial intraocular lenses implantation that adopts clinically at present, the independent implant head that need will load the artificial intraocular lenses is installed on the implantation device injects the artificial intraocular lenses in the human eye afterwards again.Yet the crystalline potential failure risk and obvious deficiency that exists in the practical clinical to a certain degree that operate in of the employing push injection implantable artificial of prior art.
Particularly, sliding handle and the artificial intraocular lenses's push rod interlock of injecting of the intraocular lens injector of prior art links to each other, and the front end of artificial intraocular lenses's push rod (with injecting sliding handle relative an end) is provided with the fork-shaped push rod head that is suitable for receiving and blocking the artificial intraocular lenses.After the independently implant head that will load the artificial intraocular lenses is installed on the intraocular lens injector; Implant direction along the artificial intraocular lenses and slide and to inject artificial intraocular lenses's push rod through injecting sliding handle; At this moment, the fork-shaped push rod cup radicals by which characters are arranged in traditional Chinese dictionaries of artificial intraocular lenses's push rod receive and block the artificial intraocular lenses earlier.Subsequently the artificial intraocular lenses artificial intraocular lenses implants direction (artificial intraocular lenses's push rod inject direction) and carries out the controlled slip motion in the continuous action lower edge of artificial intraocular lenses's push rod, last artificial intraocular lenses is pushed out implant head and is implanted in the human eye.Yet; Inject in the implantation process in this slip; The tip of the fork-shaped push rod head 6 of artificial intraocular lenses's push rod 5 of usually being processed by hard metal material will scratch usually the skew wall face of the artificial intraocular lenses's bolus delivery slideway in the implant head of being processed by softer polymeric material relatively; Consequent broken end can will cause intraocular inflammation along with the artificial intraocular lenses is injected in the human eye.
As shown in Figures 2 and 3; Thereby artificial intraocular lenses 4 is implanted in the process of human eyes implanting artificial intraocular lenses's push rod 5 that direction slide to promote prior art along the artificial intraocular lenses, artificial intraocular lenses 4 passes through the convergent that is made up of implant head inwall 9 under the effect of the fork-shaped push rod head 6 of artificial intraocular lenses's push rod 5 implantation passage is injected to be implanted in the human eye.Inject in the implantation process in slip, the most advanced and sophisticated inwall with the implant head tapered portion of being processed by softer polymeric material relatively usually of the lower surface of the latter half of the fork-shaped push rod head 6 of artificial intraocular lenses's push rod 5 of usually being processed by hard metal material directly contacts sliding wiping.Artificial intraocular lenses's push rod 5 is general in 90 °-150 ° scope along the size of the contact angle α that counter-clockwise direction of rotation was with the inwall 9 of said implant head tapered portion.For the technical staff in said field; The too small meeting of contact angle α makes fork-shaped push rod head in artificial intraocular lenses's process is injected in slip, can not receive and block the artificial intraocular lenses well, can make that the latter half of fork-shaped push rod head is too fragile and contact angle α is excessive.Yet big like this contact angle makes the fork-shaped push rod head 6 of artificial intraocular lenses's push rod 5 on inwall 9 surfaces of implant head tapered portion, be easy to produce cut and produce undesirable broken end thus in the prior art.The broken end that is produced can cause intraocular inflammation along with the artificial intraocular lenses is injected in the human eye.
Whether for the crystalline surgeon of implantable artificial, in injecting formula artificial intraocular lenses implant procedure process, can keep the artificial intraocular lenses can not receive polluting is the factor that must consider.Therefore, needed is can avoid in injecting formula artificial intraocular lenses implantation process producing the safe implant head that foreign body is avoided the artificial intraocular lenses to implant getting into during the course in broken end because of sliding the wiping; In injecting formula artificial intraocular lenses implantation process, avoid the artificial intraocular lenses to implant the intraocular lens injector that gets into foreign body during the course with avoiding because of the sliding broken end of generation of wiping.
The utility model content
This utility model proposes in view of the above problems, and its purpose is to provide a kind of can avoid in injecting formula artificial intraocular lenses implantation process to produce artificial intraocular lenses's push rod of avoiding the artificial intraocular lenses to implant getting into foreign body during the course in broken end and a kind of and can avoid injecting in the formula artificial intraocular lenses implantation process because of sliding the wiping and produce broken end and avoid the artificial intraocular lenses to implant the intraocular lens injector that gets into foreign body during the course because of sliding the wiping.
An aspect according to this utility model; Provide a kind of can avoid in injecting formula artificial intraocular lenses implantation process to produce artificial intraocular lenses's push rod that broken end is avoided the artificial intraocular lenses to implant getting into foreign body during the course because of sliding the wiping; Said artificial intraocular lenses's push rod has the fork-shaped push rod head that is made up of the first half and the latter half; It is characterized in that; Be the buffering inclined-plane of angle β at the inwall of the lower surface setting of the latter half of said fork-shaped push rod head and implant head tapered portion along counter-clockwise direction of rotation, the size of said angle β is in 0 °-10 ° scope.
In a preferred embodiment of this utility model, the size of said angle β is 0 °.
In another preferred embodiment of this utility model, the size of said angle β is 3 °.
In another preferred embodiment of this utility model, the size of said angle β is 5 °.
Another aspect according to this utility model; Provide a kind of can avoiding in injecting formula artificial intraocular lenses implantation process, to avoid the artificial intraocular lenses to implant the intraocular lens injector that gets into foreign body during the course because of the sliding broken end of generation of wiping, said intraocular lens injector has artificial intraocular lenses's push rod of this utility model as described above.
Compare with present artificial intraocular lenses's push rod of the prior art and intraocular lens injector; Adopt the artificial intraocular lenses's push rod and the intraocular lens injector of this utility model more safe and reliable; Can avoid effectively in injecting formula artificial intraocular lenses implantation process, producing broken end because of sliding the wiping; The broken end that the inwall of having avoided the push rod head to scratch the implant head tapered portion thus produces will be caused intraocular inflammation along with the artificial intraocular lenses injects in the human eye.
Description of drawings
According to following accompanying drawing and declarative description, the characteristic of this utility model, advantage will become more clear, wherein:
Fig. 1 schematically shows the lateral perspective of the implant head and the intraocular lens injector of this utility model, and said implant head shown in the figure and said intraocular lens injector are in the state that is assembled together;
Fig. 2 schematically shows the situation that contacts of inwall of artificial intraocular lenses's push rod and the implant head tapered portion of prior art;
Fig. 3 is the detailed view of circle part among Fig. 2, schematically shows the situation that contacts of inwall of artificial intraocular lenses's push rod and the implant head tapered portion of prior art among the figure;
Fig. 4 schematically shows the situation that contacts of inwall of artificial intraocular lenses's push rod and the implant head tapered portion of this utility model; With
Fig. 5 is the detailed view of circle part among Fig. 4, schematically shows the situation that contacts of inwall of artificial intraocular lenses's push rod and the implant head tapered portion of this utility model among the figure.
In the application's accompanying drawing, use identical drawing reference numeral to represent same or analogous element.
The drawing reference numeral explanation
1 implant head
2 intraocular lens injectors
3 inject sliding handle
4 artificial intraocular lensess (IOL)
5 artificial intraocular lenses's push rods
6 fork-shaped push rod heads
The first half of 7 fork-shaped push rod heads
The latter half of 8 fork-shaped push rod heads
The inwall of 9 implant head tapered portion
10 buffering inclined-planes
The upper surface of the latter half of α fork-shaped push rod head and the inwall of implant head tapered portion are along contact angle (perhaps also can be known as the contact angle that inwall was of artificial intraocular lenses's push rod and implant head tapered portion) that counter-clockwise direction of rotation was
The lower surface of the latter half of β fork-shaped push rod head and the inwall of implant head tapered portion are along angle that counter-clockwise direction of rotation was
The D artificial intraocular lenses implants direction (or artificial intraocular lenses's push rod is injected direction).
The specific embodiment
Below, with reference to accompanying drawing, the preferred embodiment of this utility model is elaborated.
Fig. 1 schematically shows the lateral perspective of the implant head 1 and the intraocular lens injector 2 of this utility model, and said implant head 1 is in the state that is assembled together with said intraocular lens injector 2 shown in the figure.Fig. 4 and Fig. 5 schematically show the situation that contacts of inwall 9 of artificial intraocular lenses's push rod 5 and the implant head tapered portion of this utility model.Sliding handle 3 and artificial intraocular lenses's push rod 5 interlocks of injecting of the intraocular lens injector 2 of this utility model link to each other, and the front end of artificial intraocular lenses's push rod 5 (with injecting sliding handle 3 relative an end) is provided with the fork-shaped push rod head 6 that is suitable for receiving and blocking artificial intraocular lenses 4.After the independently implant head 1 that will load artificial intraocular lenses 4 is installed on the intraocular lens injector 2; Implant direction D along the artificial intraocular lenses and slide and to inject artificial intraocular lenses's push rod 5 through injecting sliding handle 3; At this moment, the fork-shaped push rod head 6 of artificial intraocular lenses's push rod 5 at first receives and blocks artificial intraocular lenses 4.Subsequently artificial intraocular lenses 4 artificial intraocular lenses implants direction and carries out controlled motion in the continuous action lower edge of artificial intraocular lenses's push rod 5, last said artificial intraocular lenses 4 is pushed out implant head 1 and is implanted in the human eye.
As shown in Figure 5, the fork-shaped push rod head 6 of this utility model is made up of the first half 7 of fork-shaped push rod head and the latter half 8 of fork-shaped push rod head.Be provided with the inwall 9 of implant head tapered portion at the lower surface of the latter half 8 of said fork-shaped push rod head and be the buffering inclined-plane 10 of angle β along counter-clockwise direction of rotation, the size of said angle β is in 0 °-10 ° scope.In this example, the size of angle β is 5 °.Certainly, the technical staff in said field also can recognize, the size of angle β also can be arbitrarily angled between 0 °-10 °, for example 0 °, 3 °, 7 °, 8 °, 10 ° etc.Angle β crosses conference and weakens to slide and inject the friction buffer effect in artificial intraocular lenses's process.Through reducing the angle angle of the most advanced and sophisticated inwall with the implant head tapered portion of fork-shaped push rod head 6; The tip of fork-shaped push rod head 6 is not contacted in injecting artificial intraocular lenses's process inject an inwall; Its most advanced and sophisticated rear portion contacts with the inwall 9 of implant head tapered portion through enough little angle β simultaneously, thereby can not produce broken end because of sliding the wiping.At the lower surface of the latter half 8 of said fork-shaped push rod head angle β is set and makes that the actual sliding contact point of wiping of fork-shaped push rod head 6 and the inwall 9 of implant head tapered portion lags behind the passage that artificial intraocular lenses institute is injected in artificial intraocular lenses's bolus infusion processes, and the wiping of sliding that is between the inwall of lower surface and implant head tapered portion of the latter half 8 of said fork-shaped push rod head of angle β of such size contacts and is not easy to produce broken end.
In addition, this utility model also provides a kind of intraocular lens injector 2 that can avoid in artificial intraocular lenses's implantation process, getting into foreign body, and said intraocular lens injector comprises artificial intraocular lenses's push rod of this utility model described in top instance.
The broken end that the inclined-plane inwall that artificial intraocular lenses's push rod of use this utility model and intraocular lens injector can avoid artificial intraocular lenses's push rod in injecting artificial intraocular lenses's process, to scratch slideway produces will be caused intraocular inflammation along with the artificial intraocular lenses injects in the human eye.
Embodiment described in the preamble is merely illustrative rather than restrictive.Therefore, under the situation that does not break away from utility model disclosed herein design, the those skilled in the art can make amendment or changes the foregoing description.Therefore, the protection domain of this utility model is only limited the scope of appended claims.
Claims (5)
1. artificial intraocular lenses's push rod; Said artificial intraocular lenses's push rod has the fork-shaped push rod head that is made up of the first half and the latter half; It is characterized in that; Be the buffering inclined-plane of angle (β) at the inwall of the lower surface setting of the latter half of said fork-shaped push rod head and implant head tapered portion along counter-clockwise direction of rotation, the size of said angle (β) is in 0 °-10 ° scope.
2. artificial intraocular lenses's push rod according to claim 1 is characterized in that, the size of said angle (β) is 0 °.
3. artificial intraocular lenses's push rod according to claim 1 is characterized in that, the size of said angle (β) is 3 °.
4. artificial intraocular lenses's push rod according to claim 1 is characterized in that, the size of said angle (β) is 5 °.
5. an intraocular lens injector is characterized in that, said intraocular lens injector has according to each described artificial intraocular lenses's push rod among the aforementioned claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203694317U CN202288610U (en) | 2011-09-30 | 2011-09-30 | Artificial crystal push rod and artificial crystal implanting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203694317U CN202288610U (en) | 2011-09-30 | 2011-09-30 | Artificial crystal push rod and artificial crystal implanting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202288610U true CN202288610U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203694317U Expired - Lifetime CN202288610U (en) | 2011-09-30 | 2011-09-30 | Artificial crystal push rod and artificial crystal implanting device |
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| CN (1) | CN202288610U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104203156A (en) * | 2012-03-21 | 2014-12-10 | 力景公司 | Intraocular lens delivery systems and methods of use |
| US9610155B2 (en) | 2008-07-23 | 2017-04-04 | Powervision, Inc. | Intraocular lens loading systems and methods of use |
| US9855139B2 (en) | 2007-07-23 | 2018-01-02 | Powervision, Inc. | Intraocular lens delivery systems and methods of use |
| US10195020B2 (en) | 2013-03-15 | 2019-02-05 | Powervision, Inc. | Intraocular lens storage and loading devices and methods of use |
| US10299913B2 (en) | 2009-01-09 | 2019-05-28 | Powervision, Inc. | Accommodating intraocular lenses and methods of use |
| CN109893296A (en) * | 2017-12-08 | 2019-06-18 | 卡尔蔡司医疗技术生产有限责任公司 | The male structure of attachment element as injector and for by intraocular lens be implanted into eyes in injector |
| US10433949B2 (en) | 2011-11-08 | 2019-10-08 | Powervision, Inc. | Accommodating intraocular lenses |
| US10835373B2 (en) | 2002-12-12 | 2020-11-17 | Alcon Inc. | Accommodating intraocular lenses and methods of use |
| US11426270B2 (en) | 2015-11-06 | 2022-08-30 | Alcon Inc. | Accommodating intraocular lenses and methods of manufacturing |
-
2011
- 2011-09-30 CN CN2011203694317U patent/CN202288610U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10835373B2 (en) | 2002-12-12 | 2020-11-17 | Alcon Inc. | Accommodating intraocular lenses and methods of use |
| US11751991B2 (en) | 2002-12-12 | 2023-09-12 | Alcon Inc. | Accommodating intraocular lenses and methods of use |
| US11759313B2 (en) | 2007-07-23 | 2023-09-19 | Alcon Inc. | Lens delivery system |
| US9855139B2 (en) | 2007-07-23 | 2018-01-02 | Powervision, Inc. | Intraocular lens delivery systems and methods of use |
| US10350060B2 (en) | 2007-07-23 | 2019-07-16 | Powervision, Inc. | Lens delivery system |
| US9610155B2 (en) | 2008-07-23 | 2017-04-04 | Powervision, Inc. | Intraocular lens loading systems and methods of use |
| US10299913B2 (en) | 2009-01-09 | 2019-05-28 | Powervision, Inc. | Accommodating intraocular lenses and methods of use |
| US11166808B2 (en) | 2009-01-09 | 2021-11-09 | Alcon Inc. | Accommodating intraocular lenses and methods of use |
| US10357356B2 (en) | 2009-01-09 | 2019-07-23 | Powervision, Inc. | Accommodating intraocular lenses and methods of use |
| US10433949B2 (en) | 2011-11-08 | 2019-10-08 | Powervision, Inc. | Accommodating intraocular lenses |
| US11484402B2 (en) | 2011-11-08 | 2022-11-01 | Alcon Inc. | Accommodating intraocular lenses |
| CN104203156A (en) * | 2012-03-21 | 2014-12-10 | 力景公司 | Intraocular lens delivery systems and methods of use |
| CN104203156B (en) * | 2012-03-21 | 2017-05-03 | 力景公司 | Intraocular lens delivery systems |
| US10195020B2 (en) | 2013-03-15 | 2019-02-05 | Powervision, Inc. | Intraocular lens storage and loading devices and methods of use |
| US11071622B2 (en) | 2013-03-15 | 2021-07-27 | Alcon Inc. | Intraocular lens storage and loading devices and methods of use |
| US11793627B2 (en) | 2013-03-15 | 2023-10-24 | Alcon Inc. | Intraocular lens storage and loading devices and methods of use |
| US11426270B2 (en) | 2015-11-06 | 2022-08-30 | Alcon Inc. | Accommodating intraocular lenses and methods of manufacturing |
| US11045310B2 (en) | 2017-12-08 | 2021-06-29 | Carl Zeiss Meditec Production, LLC | Male form as an attachment element for an injector, and injector for implanting an intraocular lens in an eye |
| CN109893296A (en) * | 2017-12-08 | 2019-06-18 | 卡尔蔡司医疗技术生产有限责任公司 | The male structure of attachment element as injector and for by intraocular lens be implanted into eyes in injector |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Artificial crystal push rod and artificial crystal implanting device Effective date of registration: 20170925 Granted publication date: 20120704 Pledgee: Pudong Development Silicon Valley Bank Co., Ltd. Beijing branch Pledgor: Eyebright (Beijing) Medical Technology Co., Ltd. Registration number: 2017990000900 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102200 No. 9 Xingchang Road, Changping District Science and Technology Park, Beijing Patentee after: Abbott (Beijing) Medical Technology Co., Ltd. Address before: 102200, Changping District Beijing science and Technology Park, super Road, No. 37, building 1, 6 North Zone Patentee before: Eponode (Beijing) Medical Technology Co., Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191118 Granted publication date: 20120704 Pledgee: Pudong Development Silicon Valley Bank Co., Ltd. Beijing branch Pledgor: Abbott (Beijing) Medical Technology Co., Ltd. Registration number: 2017990000900 |
|
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20191118 Registration number: 2017990000900 Pledgor after: Abbott (Beijing) Medical Technology Co., Ltd. Pledgor before: Eponode (Beijing) Medical Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |