CN109833140A - A kind of titanium alloy antibacterial eye speculum - Google Patents
A kind of titanium alloy antibacterial eye speculum Download PDFInfo
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- CN109833140A CN109833140A CN201711222530.0A CN201711222530A CN109833140A CN 109833140 A CN109833140 A CN 109833140A CN 201711222530 A CN201711222530 A CN 201711222530A CN 109833140 A CN109833140 A CN 109833140A
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- titanium alloy
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- eye speculum
- polymer
- hook portion
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Abstract
The invention discloses a kind of titanium alloy antibacterial eye speculums, belong to medical field, and the end of the eye speculum is equipped with hook portion, and the hook portion is made of titanium alloy material, and the surface of the hook portion is equipped with polymer antimicrobial coating；The titanium alloy includes: titanium according to parts by weight: 100 parts, silver 5-10 parts, gallium: 0.1-1 parts, lanthanum: 0.1-1 parts, 0.1-1 parts of indium；The antimicrobial coating with a thickness of 0.01mm-1mm, the polymer coating is a kind of polycarbonate multi-monomer grafting polymer, and the grafted monomers include dimethyl (2- pyridyl group) vinyl silanes and acrylonitrile monemer.
Description
Technical field
The present invention relates to area of medical devices, a kind of specifically eye speculum antimicrobial coating.
Background technique
Eyelid (eyelids) is commonly called as eyelid, is located in front of eyeball, constitutes the barrier of protection eyeball.Eyelid divides upper eyelid under
Eyelid usually requires to expand eyelid in order to perform the operation when carrying out operated eye.For strutting when eye speculum is a kind of operated eye
Patient's eyelid is conducive to expand surgical field of view convenient for the utensil of operation.Eye speculum is equivalent to the drag hook in ophthalmologic operation, in ophthalmology
In operation, play the role of supporting eyelid, use is very extensive, and the eye speculum stability of the prior art is poor, while being easy to make
Obtain relieving eye strain.
The cleaning of this eye speculum simultaneously is also a problem, and it is thin that drug resistance is once infected on the eye speculum surface being not easily cleaned
Bacterium will make patient face the risk of secondary infection.
Summary of the invention
It is an object of the invention to, disclose a kind of titanium alloy antibacterial eye speculum to solve the above-mentioned problems, described is opened
The end of eyelid device is equipped with hook portion, and the hook portion is made of titanium alloy material, and the surface of the hook portion is equipped with polymer antibacterial
Coating；
The titanium alloy includes: titanium according to parts by weight: 100 parts, silver 5-10 parts, gallium: 0.1-1 parts, lanthanum: 0.1-1 parts, indium 0.1-
1 part；
The antimicrobial coating with a thickness of 0.01mm-1mm, the polymer coating is that a kind of more monomers of polycarbonate connect
Branch polymer, the grafted monomers include dimethyl (2- pyridyl group) vinyl silanes and acrylonitrile monemer.
As an improvement, the titanium alloy is prepared by way of vacuum fusion, alloy member is added in vacuum fusion furnace
Element, to the titanium alloy after vacuum fusion by following processing:
Step 1: by titanium alloy high-temperature process 1 to 2 hours in an inert atmosphere；
Step 2: being cooled to room temperature in temperature, handle 1-10 hours；
Step 3: titanium alloy is further heated up, by hydrochloric acid vapour under inert gas or vacuum environment, hydrochloric acid vapour is used
Processing 5-10 minutes.
Step 4: above-mentioned processed titanium alloy is dropped to room temperature；
Step 5: above-mentioned titanium alloy is put into organic acid soln, impregnate 2-10 hours.
Above-mentioned processing can significantly increase and reach 50N or more with polymer coated cementability, bonding force.
As an improvement, the polymer and grafted monomers parts by weight of raw materials is as follows: 100 parts of polycarbonate, dimethyl (2-
Pyridyl group) 5-20 parts of vinyl silanes, 5-20 parts of acrylonitrile monemer.
As an improvement, the polymer coating the preparation method is as follows:
Step A: unsaturated silane, acrylonitrile are uniformly mixed；
Step B: polycarbonate is melted in rheometer；
Step C: mixture and initiator after step A are added in rheometer, react 5 min -10min.
Titanium alloy antibacterial eye speculum according to claim 4, which is characterized in that the initiator is selected from peroxidating
Benzoyl, lauroyl peroxide, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, cumyl peroxide.
As an improvement, the initiator is the mixture of benzoyl peroxide and cumyl peroxide, molar ratio is
1:(0.7-1.5).
As an improvement, the melting time of the step B is 1-5min.
In comparative experiments, inventor can cause infection and the stronger Pseudomonas aeruginosa of inflammation, drug resistance and golden yellow Portugal
Grape coccus is transplanted to the eye speculum and common eye speculum of this titanium alloy polymer coating respectively.It carries out after a period of time
Test display, the pathogen residual quantity of new polymers coating surface just correspond to the number of common medical plastic surface bacteria quantity
Thousand to hundreds of a ten thousandths.
Specific embodiment
Below with reference to the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Specific embodiment 1: a kind of medical eye speculum, including support frame 1, clamping device 7, clamp arm 2, the one of the clamp arm
End and support frame 1 are hinged, and the other end of the clamp arm is fixedly connected with hook portion 3, and the centre of support frame is equipped with channel, center-pole
6 pass through channel, and the end of center-pole is hinged with first connecting rod 5, and the second connecting rod is two, and one end of first connecting rod is in
Core bar is hinged, and the other end and clamp arm are hinged, and the beginning of center-pole is control centre's bar with respect to the clamping dress that support frame is moved forward and backward
Set 7；
The clamping device includes the fixing pipe 701 being fixedly connected with support frame, and the end of the fixing pipe is hinged with handle
Hand 702, the handle are two, and the handle is the grip structure of pliers, and center-pole passes through fixing pipe 701, center-pole
End be hinged with the second connecting rod 703 two, one end of the second connecting rod and the end of center-pole are hinged, the other end and handle
703 is hinged, grip handle, and the second connecting rod control centre bar controls the contraction of clamp arm toward post-tensioning, reduces between hook portion
Distance, opens handle, center-pole Forward, and clamp arm is opened.The connecting pin of the center-pole and handle is equipped with articulated joint 704, institute
The articulated joint stated is hinged with the second connecting rod 703, and second articulated joint and center-pole are to be threadedly coupled, while fixing pipe can
To rotate relative to support frame, articulated joint is rotated, articulated joint can be moved along the axial direction of center-pole, adjustable clamping dress
The elasticity set.
The support frame center is equipped with channel, and vias inner walls are screw thread, and fixing pipe is connected by channel and support frame screw thread
It connects, articulated joint can do radial rotating with respect to center-pole, rotate fixing pipe, and fixing pipe can axially be moved along the channel of support frame
It is dynamic；One of them of the clamp arm is equipped with the infusion road connected with hook portion, and medical fluid is transported to hook portion simultaneously by the infusion road
And eyes are moistened, the infusion road end in clamp arm is connected to for providing the sebific duct 8 of medical fluid.
Specific embodiment 2: and the distinctive points of embodiment 1 are that the hook surface of eye speculum is equipped with one layer of polymeric coating,
The polymer coating is a kind of polycarbonate multi-monomer grafting polymer, which is characterized in that the grafted monomers packet
It includes containing dimethyl (2- pyridyl group) vinyl silanes and acrylonitrile monemer.
The polymer and grafted monomers parts by weight of raw materials is as follows: 100 parts of polycarbonate, dimethyl (2- pyridyl group) second
5 parts of alkenyl silanes monomer, 20 parts of acrylonitrile monemer.
Polymer coating the preparation method is as follows:
Step A: unsaturated silane, acrylonitrile are uniformly mixed；
Step B: polycarbonate is melted in rheometer, melting time 5min；
Step C: mixture and initiator after step A are added in rheometer, and initiator is the 0.1% of polycarbonate weight,
React 5 min；
The initiator is the mixture of benzoyl peroxide and cumyl peroxide, molar ratio 1:0.7.
The eye speculum of embodiment 1 and embodiment 1 is compared into discovery, the bacterium residual of embodiment 2 is the ten thousand of embodiment 1
/ bis-.
Specific embodiment 3: and the difference of embodiment 2 is, the hook portion of eye speculum uses titanium alloy material, and the titanium closes
Gold includes: titanium according to parts by weight: 100 parts, silver 5-10 parts, gallium: 0.1-1 parts, lanthanum: 0.1-1 parts, 0.1-1 parts of indium；
The titanium alloy is prepared by way of vacuum fusion, alloying element is added in vacuum fusion furnace, to vacuum fusion
Titanium alloy afterwards is by following processing:
Step 1: by titanium alloy high-temperature process 1 to 2 hours in an inert atmosphere；
Step 2: being cooled to room temperature in temperature, handle 1-10 hours；
Step 3: titanium alloy is further heated up, by hydrochloric acid vapour under inert gas or vacuum environment, hydrochloric acid vapour is used
Processing 5-10 minutes.
Step 4: above-mentioned processed titanium alloy is dropped to room temperature；
Step 5: above-mentioned titanium alloy is put into organic acid soln, impregnate 2-10 hours.
It is compared with embodiment 2, antibacterial sexual cycle greatly improves, sustainable period 5-10 times, and embodiment 2 is about 3-7 times.
Claims (7)
1. a kind of titanium alloy antibacterial eye speculum, which is characterized in that the end of the eye speculum be equipped with hook portion, the hook portion by
Titanium alloy material is made, and the surface of the hook portion is equipped with polymer antimicrobial coating；
The titanium alloy includes: titanium according to parts by weight: 100 parts, silver 5-10 parts, gallium: 0.1-1 parts, lanthanum: 0.1-1 parts, indium 0.1-
1 part；
The antimicrobial coating with a thickness of 0.01mm-1mm, the polymer coating is that a kind of more monomers of polycarbonate connect
Branch polymer, the grafted monomers include dimethyl (2- pyridyl group) vinyl silanes and acrylonitrile monemer.
2. titanium alloy antibacterial eye speculum according to claim 1, which is characterized in that the titanium alloy passes through vacuum fusion
Mode prepare, alloying element is added in vacuum fusion furnace, to the titanium alloy after vacuum fusion by following processing:
Step 1: by titanium alloy high-temperature process 1 to 2 hours in an inert atmosphere；
Step 2: being cooled to room temperature in temperature, handle 1-10 hours；
Step 3: titanium alloy is further heated up, by hydrochloric acid vapour under inert gas or vacuum environment, hydrochloric acid vapour is used
Processing 5-10 minutes；
Step 4: above-mentioned processed titanium alloy is dropped to room temperature；
Step 5: above-mentioned titanium alloy is put into organic acid soln, impregnate 2-10 hours.
3. titanium alloy antibacterial eye speculum according to claim 2, which is characterized in that the polymer and grafted monomers are former
Expect that parts by weight are as follows: 100 parts of polycarbonate, 5-20 parts of vinyl silanes, 5-20 parts of acrylonitrile monemer of dimethyl (2- pyridyl group).
4. titanium alloy antibacterial eye speculum according to claim 3, which is characterized in that the preparation side of the polymer coating
Method is as follows:
Step A: unsaturated silane, acrylonitrile are uniformly mixed；
Step B: polycarbonate is melted in rheometer；
Step C: mixture and initiator after step A are added in rheometer, react 5 min -10min.
5. titanium alloy antibacterial eye speculum according to claim 4, which is characterized in that the initiator is selected from benzoyl peroxide
Formyl, lauroyl peroxide, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, cumyl peroxide.
6. titanium alloy antibacterial eye speculum according to claim 5, which is characterized in that the initiator is benzoyl peroxide first
The mixture of acyl and cumyl peroxide, molar ratio 1:(0.7-1.5).
7. titanium alloy antibacterial eye speculum according to claim 6, which is characterized in that the melting time of the step B is 1-
5min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222530.0A CN109833140A (en) | 2017-11-29 | 2017-11-29 | A kind of titanium alloy antibacterial eye speculum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711222530.0A CN109833140A (en) | 2017-11-29 | 2017-11-29 | A kind of titanium alloy antibacterial eye speculum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109833140A true CN109833140A (en) | 2019-06-04 |
Family
ID=66881704
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711222530.0A Withdrawn CN109833140A (en) | 2017-11-29 | 2017-11-29 | A kind of titanium alloy antibacterial eye speculum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111067702A (en) * | 2019-12-26 | 2020-04-28 | 川北医学院附属医院 | Auxiliary device for annular capsulorhexis and astigmatism marking in cataract surgery |
-
2017
- 2017-11-29 CN CN201711222530.0A patent/CN109833140A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111067702A (en) * | 2019-12-26 | 2020-04-28 | 川北医学院附属医院 | Auxiliary device for annular capsulorhexis and astigmatism marking in cataract surgery |
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Application publication date: 20190604 |