CN203138827U - Medical polyurethane hydrogel eye-protecting device - Google Patents
Medical polyurethane hydrogel eye-protecting device Download PDFInfo
- Publication number
- CN203138827U CN203138827U CN 201320092922 CN201320092922U CN203138827U CN 203138827 U CN203138827 U CN 203138827U CN 201320092922 CN201320092922 CN 201320092922 CN 201320092922 U CN201320092922 U CN 201320092922U CN 203138827 U CN203138827 U CN 203138827U
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- eye
- eyeshield
- silica gel
- polyurethane hydrogel
- patient
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Abstract
The utility model discloses a medical polyurethane hydrogel eye-protecting device, which comprises an eyeshield formed by connecting a left silica gel eyeshield body and a right silica gel eyeshield body, wherein the eyeshield is connected with fixing ropes used for fixing the eyeshield; and polyurethane hydrogel eye-protecting pads are arranged at the inner surfaces of the left silica gel eyeshield body and the right silica gel eyeshield body in use. The device disclosed by the utility model has a reasonable structure, and the polyurethane hydrogel in the eye-protecting device is good in water holding capacity, is soft and has good fitness and good air permeability, the local humidity can be kept to be more than 80% within 24h, the wettability of eyes of a general anesthesia or head and neck surgical patient can be guaranteed to the maximum degree, and eye dryness and corneal injury are avoided. A shell of the eye-protecting device is made of medical silica gel, so that the device is convenient to operate in use, and has no mechanical damage to the patient, and the texture makes the patient comfortable.
Description
Technical field
This utility model relates to a kind of medical eye protector.
Background technology
Patient with operation temporarily is in the unconsciousness state during general anesthesia; because under the interaction of general anesthesia and muscle relaxant; the patient is of flaccid muscles; comprise eye muscle, thus the patient close one's eyes can not, and when anaesthetizing dark or lacrimal secretion reduces during long-time anesthesia surgery, evaporation increases; can make eyes lose its natural protective effect; therefore the phenomenon of ocular damage takes place among the patient of general anesthesia operation or incidence operation sometimes, and as corneal injury, conjunctival damage, cornea, conjunctiva damage simultaneously.It is reported that do not carry out among the patient of eye protection at general anesthesia operation, the sickness rate of corneal injury can be up to 44%.Therefore, should take corresponding eye protective measure to following operation on face of general anesthesia patient.
At present, in the operation of general anesthesia and incidence, the doctor mainly adopts wet gauze to cover, be coated with measures such as eye ointment, operation pad pasting be fixing eye is protected.Cotton thread on the wet gauze advances eye easily and becomes a foreign body, the wet gauze inner face cornea that rubs easily; Be coated with eye ointment, the fixing eyes that stimulate easily of operation pad pasting.Novel polyvinyl alcohol hydrogel class eye paste on the market can alleviate the problems referred to above to a certain extent, but this eye paste is harder, cause the eye pressurized easily, and such hydrogel breathability is poor, causes the optic nerve anoxia easily, causes patient's vision to descend.
Polyurethane hydrogel:
The amino-formate bond that contains in the polyurethane (PU) is very similar to amino acid whose structure, so have excellent biological compatibility, human body has good physiology acceptance to polyurethane.Polyurethane hydrogel is the polymer that a class has tridimensional network, can absorb large quantity of moisture and swelling in water, and can continue to keep its original structure after swelling and not dissolved.Because its surface is difficult for attachment proteins matter and cell, so can show excellent biological compatibility when blood, body fluid and tissue contact; Simultaneously owing to contain a large amount of water, polyurethane hydrogel is soft and similar bio-tissue possesses air permeability and good, thereby is widely used in biomedical sector.
Summary of the invention
It is a kind of rational in infrastructure, easy to use that the purpose of this utility model is to provide, the medical polyurethane hydrogel eye protector of favorable working performance.
Technical solution of the present utility model is:
A kind of medical polyurethane hydrogel eye protector is characterized in that: comprise the eyeshield that left and right silica gel eyepatch body connects to form, eyeshield is connected with the static line that eyeshield is fixed; Other is furnished with the polyurethane hydrogel eye paste that is placed on left and right silica gel eyepatch body inner surface when using.
The thickness of left and right silica gel eyepatch body is 3 ~ 7cm.The thickness of polyurethane hydrogel eye paste is 4 ~ 8cm, and is oval lamellar body.
This utility model is rational in infrastructure, and the polyurethane hydrogel moisture holding capacity is strong in the eye protector, and is soft, sticking nature is good, breathability is good, the internal energy maintenance local humidity of 24h can farthest guarantee general anesthesia or incidence patient with operation eyes wettability more than 80%, avoids dry and astringent, the corneal injury of eyes.And this eye protector shell adopts medical silica-gel to make, and easy to operate during use, material is comfortable, and the patient is not had any mechanical damage.
Eyeshield and eye pasted and separate when this utility model used, and were convenient to large-scale production, made things convenient for the doctor to operate, and the silica gel eyeshield directly do not contact with patient's eyes, can be repeatedly practical, avoid the wasting of resources.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of an embodiment of this utility model.
Fig. 2 is the structural representation of polyurethane hydrogel eye paste.
The specific embodiment
A kind of medical polyurethane hydrogel eye protector, comprise left and right silica gel eyepatch body 1,2 eyeshields that connect to form, eyeshield is connected with the loose static line 3 of two micro-elasticities, 4 that eyeshield is fixed, and can carry out size adjustment according to different user, farthest guarantees the comfort level of user; Other is furnished with the polyurethane hydrogel eye paste 5 that is placed on left and right silica gel eyepatch body inner surface when using.
The thickness of left and right silica gel eyepatch body is 3 ~ 7cm.The thickness of polyurethane hydrogel eye paste is 4 ~ 8cm, and is oval lamellar body.The polyurethane hydrogel main component is the blend of pure water, polyurethane or water, polyurethane and polyvinyl alcohol, polyvinylpyrrolidone one.
The preparation of polyurethane hydrogel eye paste:
With aqueous emulsion of polyurethane, plasticizer, the physical crosslinking agent joins in polyvinyl alcohol or the polyvinyl pyrrolidone aqueous solution successively; Heated and stirred is fully mixed it, and standing and defoaming treats that solution is transparent; Solution coat on mould, is adopted the rapid curing molding of freezing device, according to specification cutting molding, packing; The irradiation sterilization sterilization.With the supporting use of silica gel eyeshield.
Claims (3)
1. medical polyurethane hydrogel eye protector is characterized in that: comprise the eyeshield that left and right silica gel eyepatch body connects to form, eyeshield is connected with static line that eyeshield is fixing; Other is furnished with the polyurethane hydrogel eye paste that is placed on left and right silica gel eyepatch body inner surface when using.
2. medical polyurethane hydrogel eye protector according to claim 1, it is characterized in that: the thickness of left and right silica gel eyepatch body is 3 ~ 7cm.
3. medical polyurethane hydrogel eye protector according to claim 1 and 2, it is characterized in that: the thickness of polyurethane hydrogel eye paste is 4 ~ 8cm, and is oval lamellar body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320092922 CN203138827U (en) | 2012-11-19 | 2013-03-01 | Medical polyurethane hydrogel eye-protecting device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220609017 | 2012-11-19 | ||
| CN201220609017.3 | 2012-11-19 | ||
| CN 201320092922 CN203138827U (en) | 2012-11-19 | 2013-03-01 | Medical polyurethane hydrogel eye-protecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203138827U true CN203138827U (en) | 2013-08-21 |
Family
ID=48966391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320092922 Expired - Lifetime CN203138827U (en) | 2012-11-19 | 2013-03-01 | Medical polyurethane hydrogel eye-protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203138827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214325A (en) * | 2016-07-29 | 2016-12-14 | 严月玲 | A kind of cold compress eyeshield |
-
2013
- 2013-03-01 CN CN 201320092922 patent/CN203138827U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214325A (en) * | 2016-07-29 | 2016-12-14 | 严月玲 | A kind of cold compress eyeshield |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |