CN101273928A - Non-invasive negative-pressure fixer in ophthalmology - Google Patents
Non-invasive negative-pressure fixer in ophthalmology Download PDFInfo
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- CN101273928A CN101273928A CNA2008100443748A CN200810044374A CN101273928A CN 101273928 A CN101273928 A CN 101273928A CN A2008100443748 A CNA2008100443748 A CN A2008100443748A CN 200810044374 A CN200810044374 A CN 200810044374A CN 101273928 A CN101273928 A CN 101273928A
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Abstract
The invention discloses an ophthalmological non-invasive negative pressure fixator which is mainly used for fixing the eyeball, comprising an airbag, a trachea and an absorption plate, the absorption plate is a hollow structure, the surface on the absorption plate which is used for contacting with the ocular surface tissue is provided with an absorption hole, the absorption hole is communicated with the hollow part of the absorption plate, and the airbag is mutually communicated and sealedly connected with the absorption plate by the trachea. When in use, the airbag is firstly held by a hand to be extruded to the probably smallest volume, then one side of the absorption plate which is provided with the absorption hole is affixed on the ocular surface tissue (such as, conjunctiva or sclera etc.), and the airbag is finally released by an appropriate speed. The absorption hole on the absorption plate is blocked, so the airbag can resume the original shape under the self-elasticity role, and the internal space of the invention can form the negative pressure; the negative pressure can allow the eyeball to be absorbed at the position as close as possible to the absorption plate, thus achieving the purpose of fixing the eyeball. When in ophthalmic operation, the usage of the invention for fixing the eyeball is convenient, rapid, reliable, painless and non-invasive.
Description
Technical field
The present invention relates to a kind of fixedly device of eyeball that is mainly used in ophthalmologic operation, it is little, easy to operate and do not have pain, undamaged non-invasive negative-pressure fixer in ophthalmology when using to relate in particular to a kind of volume, belongs in the ophthalmologic operation the fixedly manufacture field of the medical apparatus and instruments of eyeball.
Background technology
Traditional operated eye fixed apparatus is toothed forceps and Smooth forceps, and the former has damaging action to part tissue of eye; The latter is because fixing part tissue of eye is generally used for the knotting of suture.Progress at full speed along with Ophthalimic microsurgery, the ultrasonic emulsification operation reaches its maturity, the implantation of transparency cornea otch and foldable intraocular lens, whole surgery is in the avascular area of eye---carries out on the cornea, so perfectly operation is that eye does not have the petechia, but do the keratonyxis hole in the art and when tearing capsule, owing to be topical anesthesia, best fixing eyeball for the sake of security.At present the doctor still uses toothed forceps when carrying out ophthalmologic operation, but toothed forceps damages the conjunctiva blood vessel easily, causes hemorrhagely, both part tissue of eye is caused damage, increase sensation of pricking, again may be after surgery in injury region leave a trace, to influence eye attractive in appearance.Resemble common cataractous ECCE, pterygium enucleation, cornea deep layer foreign body taking-up operation etc., all have the problems referred to above.
Summary of the invention
Purpose of the present invention provides a kind of non-invasive negative-pressure fixer in ophthalmology with regard to being in order to address the above problem, this holder utilizes the gravitational principle of negative pressure, employing is easy to generate means for applying negative and realizes its function, not only effective, no pain, not damaged, and use simple, convenient, fast, portable.
In order to achieve the above object, the present invention is by the following technical solutions:
The present invention includes air bag, trachea and adsorption plate, described adsorption plate is a hollow structure, the surface that is used for contacting with eye table organization on described adsorption plate is provided with adsorption hole, and described adsorption hole communicates with the hollow space of described adsorption plate, and described air bag is tightly connected by trachea and adsorption plate intercommunication.
When use is of the present invention in ophthalmologic operation, at first grasps air bag and it is squeezed to general minimum volume, then the one side that adsorption hole is arranged on the adsorption plate is attached to a table organization (as conjunctiva or sclera etc.), unclamp air bag with suitable speed again.Because the adsorption hole on the adsorption plate is plugged, air bag makes inner space of the present invention form negative pressure after resiling under self elastic reaction, and this negative pressure makes eyeball be attracted to the position as close as possible with adsorption plate, reaches the fixedly purpose of eyeball.If described adsorption plate is across on the blood vessel (vein), can also play the effect of hemostasis by compression.
Situation according to practical application, as the preferred technical solution of the present invention, described trachea is the bigger hollow handle of hardness, described air bag is installed in the postmedian of described hollow handle, its junction is the intercommunication structure that is tightly connected, the back-end sealing of described hollow handle, the front end of described hollow handle and adsorption plate intercommunication are tightly connected.This structure makes the present invention only need the hand-held handle of a people to finish the work in use, and is very convenient, and using method is as described in the epimere.
In the concrete structure of above-mentioned preferred version, the length of described hollow handle is 6---14cm, and its cross-sectional diameter is 0.3---1cm, the width of described adsorption plate is identical with the diameter of described hollow handle.Through test, this structure can satisfy medical requirement, easy to use, and product is simplified to minimizing.
Described air bag, hollow handle and adsorption plate all adopt can withstand high temperatures autoclave sterilization condition the once moulding manufacturing of macromolecular material.Described macromolecular material can be silicon gel, hydrogel, acrylate or polymethyl methacrylate.These materials all are the materials that has hardness and toughness concurrently, are fit to manufacture medical apparatus and instruments.
Described hollow handle also can adopt the metal material manufacturing, described air bag and adsorption plate all still adopt can withstand high temperatures autoclave sterilization condition the macromolecular material manufacturing.
As another kind of scheme of the present invention, described trachea adopts less but the flexible pipe that elasticity is bigger of hardness, and the two ends of described flexible pipe are tightly connected with air bag and adsorption plate intercommunication respectively.This structure preferably can be fixed on suitable position with adsorption plate with other support in use, and its advantage is promptly can no longer manage it after fixing adsorption plate, and trachea can be increased, and the position of air bag can be moved, and is convenient to more operate at any time; Its shortcoming is to need with the fixing adsorption plate of support, and is slightly inadequate aspect the adaptability of patient's eye locations.
Which kind of technical scheme no matter, the elasticity of described air bag require all should for: in extruding and by behind the elastic reset, can produce 10---the pressure of 21mmHg.This pressure and intraocular pressure are close, and intraocular structure is not exerted an influence, and can not ask wall to produce damage to eye.Add in case of necessity can air bag and put metal clips,, reduce the air bag diameter simultaneously to strengthen negative pressure, easy to use.According to practical situations, the diameter of described air bag is 0.5, and---3cm is advisable, and wall thickness is 0.1---can produce suitable elastic force between the 0.5cm.
At the characteristic and the shape on part tissue of eye surface, described adsorption plate has certain pliability, is arc or cylindrical; Wherein the adsorption hole of arc adsorption plate is positioned on the indent arcwall face, and the adsorption hole of cylindrical adsorption plate is positioned on its front end face, and its front end face is a concave shaped.
Need to prove, the present invention is not suitable for fixing (this fixed accuracy requires too high) of eyeball in the keratorefractive surgery, is only applicable to make otch, stitching or other operations in the typical ophthalmic operation, and its function is equivalent to toothed forceps, but non-invasi is particularly useful for modern microsurgery.
Beneficial effect of the present invention is:
When carrying out ophthalmologic operation, use fixedly eyeball of the present invention, convenient, fast, reliable, no pain, not damaged; Postoperative is trace not, and it is attractive in appearance not influence eye; If be adsorbed the part tissue of eye surface of plate absorption vein blood vessel is arranged, the present invention also has auxiliary hemostatic function; Can replace the toothed forceps in the ophthalmologic operation, allow the more pleased acceptance of patient, and help ophthalmologic operation safety, carry out quickly and smoothly.
Description of drawings
Fig. 1 is one of of the present invention main TV structure sketch map that adopts the handle type trachea;
Fig. 2 be adopt the handle type trachea of the present invention main TV structure sketch map two;
Fig. 3 be adopt the handle type trachea of the present invention main TV structure sketch map three;
Fig. 4 be adopt the handle type trachea of the present invention main TV structure sketch map four;
Fig. 5 is the of the present invention right TV structure sketch map that adopts the handle type trachea;
Fig. 6 is one of of the present invention main TV structure sketch map that adopts the hose type trachea;
Fig. 7 be adopt the hose type trachea of the present invention main TV structure sketch map two.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described in detail:
Embodiment 1:
In the present embodiment, the present invention adopts the handle type trachea.As Fig. 1---shown in Figure 4, the present invention includes air bag 2, handle 1 and adsorption plate 3, adsorption plate 3 is the hollow structure (not shown), the surface that is used for contacting with eye table organization on adsorption plate 3 is provided with adsorption hole 5, adsorption hole 5 communicates with the hollow space of adsorption plate 3, and air bag 2 is tightly connected by handle 1 and adsorption plate 5 intercommunications.
In the present embodiment, as Fig. 1---shown in Figure 4, handle 1 is the bigger hollow handle of hardness, and air bag 2 is installed in the postmedian of handle 1, and its junction is the intercommunication structure that is tightly connected, the back-end sealing of handle 1, the front end of handle 1 and adsorption plate 3 intercommunications are tightly connected.This structure makes the present invention only need the hand-held handle 1 of a people to finish the work in use, and is very convenient.
As Fig. 1---shown in Figure 5, the length of handle 1 is 6---14cm, its cross-sectional diameter is 0.3---1cm, the width of adsorption plate 3 is identical with the diameter of handle 1.Through test, this structure can satisfy medical requirement, easy to use, and product is simplified to minimizing.
As Fig. 1---shown in Figure 5, the air bag 2 in the present embodiment, handle 1 and adsorption plate 3 can all adopt the once moulding manufacturing of the macromolecular material that can tolerate the autoclave sterilization condition.Described macromolecular material can be silicon gel, hydrogel, acrylate or polymethyl methacrylate.These materials all are the materials that has hardness and toughness concurrently, are fit to manufacture medical apparatus and instruments.In the another kind of structure, handle 1 also can adopt the metal material manufacturing, air bag 2 and adsorption plate 3 all still adopt can withstand high temperatures autoclave sterilization condition the macromolecular material manufacturing.
As Fig. 1---shown in Figure 5, in order to adapt to the needs of ophthalmologic operation as much as possible, the elasticity of air bag 2 requires and meet the following conditions: in extruding and by behind the elastic reset, can produce 10---pressure of 21mmHg.This pressure and intraocular pressure are close, and intraocular structure is not exerted an influence, and can not ask wall to produce damage to eye.Add in case of necessity can air bag 2 and put metal clips,, reduce the diameter of air bag 2 simultaneously to strengthen negative pressure, easy to use.According to practical situations, the diameter of air bag 2 adopts 0.5---3cm is advisable, and wall thickness is 0.1---between the 0.5cm, can produce suitable elastic force.
As Fig. 1---shown in Figure 5, at the characteristic and the shape on part tissue of eye surface, adsorption plate 3 must have certain pliability.As depicted in figs. 1 and 2, adsorption plate 3 is an arc, and adsorption hole 5 is positioned on the indent arcwall face of adsorption plate 3; Wherein, a general angle of 100 ° being arranged between adsorption plate 3 among Fig. 1 and the handle 1, is that 180 ° angle is straight line and is connected between the adsorption plate 3 among Fig. 2 and the handle 1, and the angle between above adsorption plate 3 and the handle 1 is determined according to actual needs.As shown in Figure 3 and Figure 4, adsorption plate 3 is cylindrical, and adsorption hole 5 is positioned on the front end face of adsorption plate 3, and its front end face is a concave shaped; Wherein, a general angle of 100 ° being arranged between adsorption plate 3 among Fig. 3 and the handle 1, is that 180 ° angle is straight line and is connected between the adsorption plate 3 among Fig. 4 and the handle 1, and the angle between above adsorption plate 3 and the handle 1 is determined according to actual needs.
As Fig. 1---shown in Figure 4, when use is of the present invention in ophthalmologic operation, at first grasp air bag 2 and it is squeezed to general minimum volume, then the one side that adsorption hole 5 is arranged on the adsorption plate 3 is attached to a table organization (as conjunctiva or sclera etc.), unclamp air bag 2 with suitable speed again.Because the adsorption hole 5 on the adsorption plate 3 is plugged, air bag 2 makes inner space of the present invention form negative pressure after resiling under self elastic reaction, and this negative pressure makes eyeball be attracted to the position as close as possible with adsorption plate 3, reaches the fixedly purpose of eyeball.If adsorption plate 3 is across on the blood vessel (vein), can also play the effect of hemostasis by compression.
Embodiment 2:
In the present embodiment, the present invention adopts the hose type trachea, as shown in Figure 6 and Figure 7, the present invention includes air bag 2, flexible pipe 6 and adsorption plate 3, and the two ends of flexible pipe 6 are tightly connected with air bag 2 and adsorption plate 3 intercommunications respectively; Air bag 2 among air bag 2 in the present embodiment and the structure of adsorption plate 3 and the embodiment 1 is identical with the structure of adsorption plate 3.The hardness of flexible pipe 6 is less but elasticity is bigger, and is can appropriateness crooked and do not influence its function of use.In the present embodiment, the process that negative pressure produces is substantially the same manner as Example 1, does not repeat them here.Before using, preferably can adsorption plate 3 be fixed on suitable position with other support, its advantage is promptly can no longer manage it after fixing adsorption plate 3, and flexible pipe 6 can have big length, the position of air bag 2 can be moved, and is convenient to more operate at any time; Its shortcoming is to need with the fixing adsorption plate 3 of support, and is slightly inadequate aspect the adaptability of patient's eye locations.
As shown in Figure 6, adsorption plate 3 is an arc; As shown in Figure 7, adsorption plate 3 is cylindrical.The selection of above-mentioned shape is determined according to actual needs.
Need to prove, the present invention is not suitable for fixing (this fixed accuracy requires too high) of eyeball in the keratorefractive surgery, is only applicable to make otch, stitching or other operations in the typical ophthalmic operation, and its function is equivalent to toothed forceps, but non-invasi is particularly useful for modern microsurgery.
Of the present inventionly focus on providing a kind of gasbag-type non-invasive negative-pressure fixer in ophthalmology of holding, the air bag that its basic structure is tightly connected by intercommunication, trachea and adsorption plate are formed, if only change shape or the length or the size of air bag, trachea or adsorption plate, or, then all should be considered as invading the right of patent of the present invention with in the operation beyond the ophthalmology like the application class of the present invention.
Claims (10)
1, a kind of non-invasive negative-pressure fixer in ophthalmology, it is characterized in that: comprise air bag, trachea and adsorption plate, described adsorption plate is a hollow structure, the surface that is used for contacting with eye table organization on described adsorption plate is provided with adsorption hole, described adsorption hole communicates with the hollow space of described adsorption plate, and described air bag is tightly connected by trachea and adsorption plate intercommunication.
2, non-invasive negative-pressure fixer in ophthalmology according to claim 1, it is characterized in that: described trachea is the bigger hollow handle of hardness, described air bag is installed in the postmedian of described hollow handle, its junction is the intercommunication structure that is tightly connected, the back-end sealing of described hollow handle, the front end of described hollow handle and adsorption plate intercommunication are tightly connected.
3, non-invasive negative-pressure fixer in ophthalmology according to claim 2 is characterized in that: the length of described hollow handle is 6---14cm, and its cross-sectional diameter is 0.3---1cm, the width of described adsorption plate is identical with the diameter of described hollow handle.
4, according to claim 2 or 3 described non-invasive negative-pressure fixer in ophthalmology, it is characterized in that: described air bag, hollow handle and adsorption plate all adopt can withstand high temperatures autoclave sterilization condition the once moulding manufacturing of macromolecular material.
5, non-invasive negative-pressure fixer in ophthalmology according to claim 4 is characterized in that: described macromolecular material is silicon gel, hydrogel, acrylate or polymethyl methacrylate.
6, according to claim 2 or 3 described non-invasive negative-pressure fixer in ophthalmology, it is characterized in that: described hollow handle adopts the metal material manufacturing, described air bag and adsorption plate all adopt can withstand high temperatures autoclave sterilization condition the macromolecular material manufacturing.
7, non-invasive negative-pressure fixer in ophthalmology according to claim 1 is characterized in that: described trachea is that hardness is less but flexible pipe that elasticity is bigger, and the two ends of described flexible pipe are tightly connected with air bag and adsorption plate intercommunication respectively.
8, according to claim 1 or 2 or 7 described non-invasive negative-pressure fixer in ophthalmology, it is characterized in that: the elasticity requirement of described air bag is: in extruding and by behind the elastic reset, can produce 10---the pressure of 21mmHg.
9, non-invasive negative-pressure fixer in ophthalmology according to claim 8 is characterized in that: the diameter of described air bag is 0.5---3cm, wall thickness are 0.1---0.5cm.
10, according to claim 1 or 2 or 3 or 7 described non-invasive negative-pressure fixer in ophthalmology, it is characterized in that: described adsorption plate has certain pliability, is arc or cylindrical; Wherein the adsorption hole of arc adsorption plate is positioned on the indent arcwall face, and the adsorption hole of cylindrical adsorption plate is positioned on its front end face, and its front end face is a concave shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100443748A CN101273928A (en) | 2008-05-08 | 2008-05-08 | Non-invasive negative-pressure fixer in ophthalmology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100443748A CN101273928A (en) | 2008-05-08 | 2008-05-08 | Non-invasive negative-pressure fixer in ophthalmology |
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| CN101273928A true CN101273928A (en) | 2008-10-01 |
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| CNA2008100443748A Pending CN101273928A (en) | 2008-05-08 | 2008-05-08 | Non-invasive negative-pressure fixer in ophthalmology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101251A1 (en) * | 2014-12-26 | 2016-06-30 | 温州医科大学 | Self-suction corneal suction ring |
| CN110251274A (en) * | 2019-07-24 | 2019-09-20 | 胡行健 | A kind of fixed device of noninvasive valve |
| CN111134950A (en) * | 2020-01-16 | 2020-05-12 | 中国医学科学院北京协和医院 | Novel posterior sclera pressurizing device for high myopia patient |
| CN111388191A (en) * | 2020-04-24 | 2020-07-10 | 广东省第二人民医院（广东省卫生应急医院） | Device for enucleation of ocular contents and method of operating same |
-
2008
- 2008-05-08 CN CNA2008100443748A patent/CN101273928A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101251A1 (en) * | 2014-12-26 | 2016-06-30 | 温州医科大学 | Self-suction corneal suction ring |
| CN110251274A (en) * | 2019-07-24 | 2019-09-20 | 胡行健 | A kind of fixed device of noninvasive valve |
| CN111134950A (en) * | 2020-01-16 | 2020-05-12 | 中国医学科学院北京协和医院 | Novel posterior sclera pressurizing device for high myopia patient |
| CN111134950B (en) * | 2020-01-16 | 2022-03-11 | 中国医学科学院北京协和医院 | Posterior sclera pressurizing device for high myopia patient |
| CN111388191A (en) * | 2020-04-24 | 2020-07-10 | 广东省第二人民医院（广东省卫生应急医院） | Device for enucleation of ocular contents and method of operating same |
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Open date: 20081001 |