CN209951542U - Novel high-efficient dual-purpose cutting head of crystalline lens and vitreous body - Google Patents
Novel high-efficient dual-purpose cutting head of crystalline lens and vitreous body Download PDFInfo
- Publication number
- CN209951542U CN209951542U CN201920258316.9U CN201920258316U CN209951542U CN 209951542 U CN209951542 U CN 209951542U CN 201920258316 U CN201920258316 U CN 201920258316U CN 209951542 U CN209951542 U CN 209951542U
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- Prior art keywords
- suction hole
- hole
- cutting head
- outer tube
- inner tube
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- Withdrawn - After Issue
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- 238000005520 cutting process Methods 0.000 title claims abstract description 75
- 210000004127 vitreous body Anatomy 0.000 title claims abstract description 45
- 210000000695 crystalline len Anatomy 0.000 title claims abstract description 36
- 210000004534 cecum Anatomy 0.000 claims abstract description 3
- 230000009977 dual effect Effects 0.000 claims 2
- 239000011521 glass Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model discloses a novel dual-purpose cutting head of high-efficient crystalline lens and vitreous body, including outer tube and inner tube, the inner tube sets up in the outer tube, and the outer tube front end is the cecum, has seted up two at least outer tubes on the tip lateral wall before the outer tube and has inhaled the hole, wherein is 1.5 at least for the front end outer tube inhales the hole aspect ratio: the inner pipe is a hollow pipe with an opening at the front end, at least one inner pipe suction hole is correspondingly formed in the side wall of the front end part of the inner pipe, the outer edge of the inner pipe suction hole is tangent to the inner edge of the outer pipe suction hole, and the outer pipe suction hole and the inner pipe suction hole are outwards protruded to form a sharp corner. The glass body can collect to the closed angle department in cutting process, and in the design production process of cutting head, also changes in the closed angle department that will inhale the hole and sets up to inseparabler contact point, so change in thoroughly cutting off the glass body, this cutting head not only can cut through the front end of inner tube, has increased on the lateral wall simultaneously and has inhaled the hole and cut, the great improvement of cutting efficiency to can cut harder crystalline lens and very soft glass body simultaneously.
Description
Technical Field
The utility model relates to an appliance for clinical medical treatment, in particular to a novel high-efficiency dual-purpose cutting head for crystalline lens and vitreous body.
Background
In the medical industry, the current human tissue cutting is generally completed by adopting a scalpel cutting operation mode, but the mode has large wound area, causes pain to patients, is easy to leave scars and the like, has fine organs on human bodies, and is not easy to be completed by adopting the scalpel cutting mode. Micro scissors or biters are commonly used for tissue resection, such as laparoscopic, but the amount of tissue removed is very limited. If the cutting head is used for cutting the vitreous body of eye tissue, the vitreous body in the eye is sticky, the vitreous body is cut and sucked by the vitreous body cutter in order to gradually smash and remove the sticky vitreous body, a machine membrane, blood clots and the like, but the cutting head of the existing vitreous body cutter comprises an inner tube and an outer tube, a suction hole is formed in the outer tube, the front end of the inner tube is communicated with the outer tube, the vitreous body at the suction hole is cut off and sucked away by the front-back movement of the inner tube, the cutting head of the structure only depends on the front end part of the inner tube for cutting, the cutting efficiency is low, the inner tube and the outer tube are not easy to ensure that the whole cutting surface is tightly attached, and the cutting head is not easy to cut off the vitreous body due to the characteristic of the vitreous body. Currently, the aspect ratio of the opening of the outer pipe of the cutting head is basically 1: 1, harder lenses are difficult to draw into the lumen, and conventional cutting heads are either ineffective or substantially ineffective in handling harder lenses.
Therefore, how to design a cutting head which is easy to cut off the vitreous body and has high cutting efficiency and can cut the crystalline lens simultaneously is a technical problem to be solved urgently by related personnel in the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel dual-purpose cutting head of high-efficient crystalline lens and vitreous body, this cutting head cutting is efficient, easily cuts off the vitreous body, can also compromise the cutting to the crystalline lens simultaneously, excellent in use effect.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a novel dual-purpose cutting head of high-efficient crystalline lens and vitreous body which characterized in that, includes outer tube and inner tube, the inner tube set up in the outer tube, the outer tube front end is the cecum, at least two outer tubes have been seted up on the outer tube front end portion lateral wall and have been inhaled the hole, and wherein the hole aspect ratio is 1.5 at least to the outer tube of foremost: the inner pipe is a hollow pipe with an opening at the front end, at least one inner pipe suction hole is correspondingly formed in the side wall of the front end part of the inner pipe, the outer edge of the inner pipe suction hole is tangent to the inner edge of the outer pipe suction hole, and the outer pipe suction hole and the inner pipe suction hole are outwards protruded at the rear end part to form a sharp corner.
Preferably, the outer tube suction hole and the inner tube suction hole are approximately circular, the periphery of the hole corresponding to the central angle of more than 210 degrees is a circular periphery, and the other peripheries of the hole are connected with the circumferential edge and protrude outwards to form a sharp angle.
Preferably, the outer tube suction hole and the inner tube suction hole are approximately square, the periphery of the hole corresponding to the central angle of more than 210 degrees is a square periphery, and the other peripheries of the hole are connected with the square periphery and protrude outwards to form a sharp angle.
Preferably, the other peripheries of the outer pipe suction hole and the inner pipe suction hole are arc peripheries.
Preferably, the sharp angles of the outer pipe suction hole and the inner pipe suction hole are towards the rear end.
Preferably, the front end of the inner pipe is bent by a certain radian in a direction of 1-2 mm towards the side surface provided with the inner pipe suction hole.
Preferably, the distance between the outer pipe suction holes is a fixed value smaller than its own length.
Compared with the prior art through the above technical scheme, the beneficial effects of the utility model are as follows: the back end of the inner tube is provided with a negative pressure device, the glass body is sucked into the inner tube from the suction hole, and the glass body can be cut off and sucked away by the forward and backward movement of the inner tube. Because the suction hole has a sharp corner, when cutting at every time, the vitreous body can be collected to the sharp corner, because the area of the sharp corner of the suction hole is reduced, the cutting area is greatly reduced, the cutting is easy, and in the design and production process of the cutting head, the sharp corner of the suction hole is more easily set to be a more compact contact point, so the cutting point can be more compact, the cutting is easier, the cutting head not only passes through the front end of the inner tube can be used for cutting, the suction hole is additionally arranged on the side wall for cutting, the liquid flow is not interrupted, the cutting efficiency is greatly improved, and a harder crystalline lens and a very soft vitreous body can be cut simultaneously.
Drawings
In order to illustrate more clearly the embodiments of the novel high-efficiency dual-purpose cutting head for crystalline and vitreous body according to the present invention or the technical solutions in the prior art, the drawings required for the embodiments of the novel high-efficiency dual-purpose cutting head for crystalline and vitreous body or the description in the prior art will be briefly described below, and it should be apparent that the drawings in the following description are only some embodiments of the novel high-efficiency dual-purpose cutting head for crystalline and vitreous body according to the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is a top view of a novel high-efficiency dual-purpose cutting head structure for crystalline lens and vitreous body disclosed in example 1 of the present invention;
FIG. 2 is a top view of the inner tube structure of a new high-efficiency dual-purpose cutting head for lens and vitreous body disclosed in example 1 of the present invention;
fig. 3 is a front view and a partial sectional view of a novel high-efficiency dual-purpose cutting head structure for crystalline lens and vitreous body disclosed in example 1 of the present invention;
fig. 4 is a top view of a novel high-efficiency dual-purpose cutting head structure for lens and vitreous body disclosed in embodiment 2 of the present invention;
FIG. 5 is a top view of the inner tube structure of a new high-efficiency dual-purpose cutting head for lens and vitreous body disclosed in example 2 of the present invention;
fig. 6 is a front view and a partial sectional view of a novel high-efficiency dual-purpose cutting head structure for crystalline lens and vitreous body disclosed in example 2 of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. outer tube 2, inner tube 3, outer tube suction hole 4, inner tube suction hole 5, outer tube 6, inner tube 7, outer tube suction hole 8, inner tube suction hole
Detailed Description
The technical solution in the embodiment of the present invention of a novel high-efficiency lens and vitreous body dual-purpose cutting head is clearly and completely described below with reference to the attached drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the novel high-efficiency lens and vitreous body dual-purpose cutting head, but not all embodiments, and based on the embodiment of the novel high-efficiency lens and vitreous body dual-purpose cutting head, all other embodiments obtained by a person skilled in the art without creative work belong to the scope of the novel high-efficiency lens and vitreous body dual-purpose cutting head.
The novel high-efficiency lens and vitreous body cutting head of the present invention will be described in further detail with reference to the following examples and embodiments.
Example one
As shown in fig. 1-3, a novel high-efficiency dual-purpose cutting head for crystalline lens and vitreous body, comprises an outer tube 1 and an inner tube 2, wherein the inner tube 2 is arranged in the outer tube 1, the front end of the outer tube 1 is a blind end, at least two outer tube suction holes 3 are arranged on the side wall of the front end of the outer tube 1, and the length-width ratio of the outer tube suction hole 3 at the most front end is at least 1.5: 1, inner tube 2 is front end open-ended hollow tube, the corresponding at least one inner tube of having seted up on the 2 preceding tip lateral walls of inner tube inhales hole 4, the inner tube inhale 4 outward flanges with the outer tube is inhaled 3 inward flanges in hole and is tangent, the hole is inhaled to the outer tube 3 and the hole is inhaled 4 rear end portion outward bulges and is formed the closed angle, the hole is inhaled to hole 3 and inner tube to the outer tube and is inhaled 4 nearly circular, and the hole periphery that corresponds to the central angle more than 210 degrees is circular periphery, and other peripheries and the circumferential edge in hole are connected, and outwards bulge and form the closed angle.
The other peripheries of the outer pipe suction hole 3 and the inner pipe suction hole 4 are arc peripheries.
The sharp angles of the outer pipe suction hole 3 and the inner pipe suction hole 4 face the rear end.
The front end 1-2 mm of the inner tube 2 is bent to a certain radian towards the side surface provided with the inner tube suction hole 4.
The distance between two adjacent outer pipe suction holes 3 is a fixed value smaller than the length of the outer pipe suction holes.
Example two
As shown in fig. 4-6, a novel high-efficiency dual-purpose cutting head for crystalline lens and vitreous body comprises an outer tube 5 and an inner tube 6, wherein the inner tube 6 is disposed in the outer tube 5, the front end of the outer tube 5 is a blind end, at least two outer tube suction holes 7 are disposed on the side wall of the front end of the outer tube 5, and the length-width ratio of the outer tube suction hole 7 at the most front end is at least 1.5: 1, inner tube 6 is front end open-ended hollow tube, corresponding at least one inner tube of having seted up on the 6 preceding tip lateral walls of inner tube inhales hole 8, the inner tube inhale 8 outward flange in hole with the outer tube is inhaled 7 inward flanges tangent, the hole is inhaled 7 and the inner tube and is inhaled 8 rear end portion outward bulges and form the closed angle to the hole, the hole is inhaled 7 and the inner tube in hole to the outer tube and is inhaled 8 nearly squarely, and the hole periphery that corresponds to the central angle more than 210 degrees is square periphery, and other peripheries and the square periphery in hole are connected, and outwards bulge and form the closed angle.
The other peripheries of the outer pipe suction hole 7 and the inner pipe suction hole 8 are arc peripheries.
The outer tube suction hole 7 and the inner tube suction hole 8 have sharp corners facing the rear end.
The front end of the inner pipe 6 is bent by a certain radian at a position of 1-2 mm to the side surface provided with the inner pipe suction hole 8.
The distance between two adjacent outer pipe suction holes 7 is a fixed value smaller than the length of the outer pipe suction holes.
Compared with the prior art through the above technical scheme, the beneficial effects of the utility model are as follows: the back end of the inner tube is provided with a negative pressure device, the glass body is sucked into the inner tube from the suction hole, and the glass body can be cut off and sucked away by the forward and backward movement of the inner tube. Because the suction hole has a sharp corner, when cutting at every time, the vitreous body can be collected to the sharp corner, because the area of the sharp corner of the suction hole is reduced, the cutting area is greatly reduced, the cutting is easy, and in the design and production process of the cutting head, the sharp corner of the suction hole is more easily set to be a more compact contact point, so the cutting point can be more compact, the cutting is easier, the cutting head not only passes through the front end of the inner tube can be used for cutting, the suction hole is additionally arranged on the side wall for cutting, the liquid flow is not interrupted, the cutting efficiency is greatly improved, and a harder crystalline lens and a very soft vitreous body can be cut simultaneously.
What has been described above is only the preferred embodiment of the novel high-efficiency lens and vitreous body dual-purpose cutting head of the present invention, and it should be noted that, for those skilled in the art, without departing from the inventive high-efficiency lens and vitreous body dual-purpose cutting head, a plurality of modifications and improvements can be made, which all belong to the protection scope of the novel high-efficiency lens and vitreous body dual-purpose cutting head of the present invention.
Claims (7)
1. The utility model provides a novel dual-purpose cutting head of high-efficient crystalline lens and vitreous body which characterized in that, includes outer tube and inner tube, the inner tube set up in the outer tube, the outer tube front end is the cecum, at least two outer tubes have been seted up on the outer tube front end portion lateral wall and have been inhaled the hole, and wherein the hole aspect ratio is 1.5 at least to the outer tube of foremost: the inner pipe is a hollow pipe with an opening at the front end, at least one inner pipe suction hole is correspondingly formed in the side wall of the front end part of the inner pipe, the outer edge of the inner pipe suction hole is tangent to the inner edge of the outer pipe suction hole, and the outer pipe suction hole and the inner pipe suction hole are outwards protruded at the rear end part to form a sharp corner.
2. The new high efficiency dual purpose cutting head for lens and vitreous body as claimed in claim 1, wherein said outer tube suction hole and inner tube suction hole are approximately circular, the circumference of the hole corresponding to the central angle above 210 degrees is circular, the other circumference of the hole is connected with the circumference and protrudes outward to form a sharp angle.
3. The new high efficiency dual purpose cutting head for lens and vitreous body as claimed in claim 1, wherein said outer tube suction hole and inner tube suction hole are approximately square, the circumference of the hole corresponding to the central angle above 210 degrees is a square circumference, the other circumference of the hole is connected with the square circumference and protrudes outward to form a sharp angle.
4. The new high-efficiency lens and vitreous body cutting head according to claim 2 or 3, characterized in that the other peripheries of the outer tube suction hole and the inner tube suction hole are arc-shaped peripheries.
5. The new high efficiency lens and vitreous cutting head of claim 2 or 3 wherein the outer and inner tube suction holes are pointed towards the rear end.
6. The novel high-efficiency lens and vitreous body cutting head as claimed in claim 1, wherein a radian is curved in a direction of a side surface provided with the inner tube suction hole at a position 1-2 mm from the front end of the inner tube.
7. The new high efficiency lens and vitreous cutting head of claim 1 wherein the distance between the outer aspiration ports is a fixed value less than its own length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258316.9U CN209951542U (en) | 2019-02-28 | 2019-02-28 | Novel high-efficient dual-purpose cutting head of crystalline lens and vitreous body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258316.9U CN209951542U (en) | 2019-02-28 | 2019-02-28 | Novel high-efficient dual-purpose cutting head of crystalline lens and vitreous body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209951542U true CN209951542U (en) | 2020-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920258316.9U Withdrawn - After Issue CN209951542U (en) | 2019-02-28 | 2019-02-28 | Novel high-efficient dual-purpose cutting head of crystalline lens and vitreous body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209951542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806065A (en) * | 2019-02-28 | 2019-05-28 | 苏州理想眼科医院有限公司 | A kind of new and effective crystalline lens and the dual-purpose cutting head of vitreum |
-
2019
- 2019-02-28 CN CN201920258316.9U patent/CN209951542U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806065A (en) * | 2019-02-28 | 2019-05-28 | 苏州理想眼科医院有限公司 | A kind of new and effective crystalline lens and the dual-purpose cutting head of vitreum |
| CN109806065B (en) * | 2019-02-28 | 2024-05-24 | 苏州理想眼科医院有限公司 | High-efficiency dual-purpose cutting head for crystalline lens and vitreous body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200117 Effective date of abandoning: 20240524 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200117 Effective date of abandoning: 20240524 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |