CN108742960A - Lacrimal passage recovery support and its manufacturing method - Google Patents
Lacrimal passage recovery support and its manufacturing method Download PDFInfo
- Publication number
- CN108742960A CN108742960A CN201810735318.2A CN201810735318A CN108742960A CN 108742960 A CN108742960 A CN 108742960A CN 201810735318 A CN201810735318 A CN 201810735318A CN 108742960 A CN108742960 A CN 108742960A
- Authority
- CN
- China
- Prior art keywords
- lacrimal passage
- inner tube
- hollow inner
- shell body
- passage pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0069—Three-dimensional shapes cylindrical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0612—Eyes
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of lacrimal passage recovery support, including lacrimal passage pipe shell body, the lacrimal passage pipe shell body is internally provided with hollow inner tube, and the top of the hollow inner tube is fixedly connected with catheter.The manufacturing method of the lacrimal passage recovery support, S1 designs mold, S2 Raw material processings, S3 raw materials are molded, S4 molding assembly, compared with prior art, by the double-layer structure for setting lacrimal passage pipe to lacrimal passage pipe shell body and hollow inner tube, the catheter of the convenient funnel-shaped structure connected by hollow upper end of inner tube inculcates medicine into hollow inner tube, the isocon of hollow inner tube connection is coordinated to transfer out drug by the through-hole in arc bump, it carries out disinfection to lacrimal passage to reach, prevent lacrimal passage from infecting, achieve the purpose that treat lacrimal passage, the bottom end of the hollow inner tube has installed reservoir additional, prevent drug is excessive to be flowed near lacrimal passage, excessive drug is stored, when lacrimal passage pipe being taken out after treatment, facilitate and handles excessive drug.
Description
Technical field
The present invention relates to a kind of lacrimal passage reparations, and in particular to a kind of lacrimal passage recovery support.Meanwhile the invention further relates to one kind
The manufacturing method of lacrimal passage recovery support.
Background technology
Obstruction of lacrimal passage is a kind of common disease in clinical ophthalmology, and existing therapeutic modality is typically that lacrimal passage pipe is implanted into lacrimal passage
Or lacrimal passage rod is to dredge lacrimal passage.
According to a kind of more anti-skidding lacrimal passage pipes of ball-type that patent CN201621316247.5 is proposed, include the tube body of strip；
The both ends of tube body are closed by solid core cecum, and there are one spherical or ellipse centered on the tube body axis in the centre position of tube surfaces
Multiple spherical or oval hemisphere juts centered on the axis are also distributed in spheroidal intermediate projections, tube surfaces, protrusion
Diameter be less than intermediate projections diameter；Multiple rounded or oval through-hole is distributed in tube surfaces.More ball-types are anti-skidding
Lacrimal passage pipe have many advantages, such as it is simple in structure, easy to operate, be not easy to slip, drainage effect is good, does not damage lacrimal passage, be conducive to promote and answer
With, be it is a kind of treat lacrimal passage blocking ophthalmic medical instrument.
Although the case show can it is easy to operate, be not easy to slip, drainage effect is good, does not damage the advantages that lacrimal passage, only
It can only play the role of support and dredging to lacrimal passage, be unfavorable for smearing drug on the lacrimal passage pipe, to affect to lacrimal passage
The effect of reparation, only simple support be easy to cause the infection of lacrimal passage with dredging, are unfavorable for the recovery of lacrimal passage, it is therefore desirable to tear
Road recovery support and its manufacturing method.
Invention content
The purpose of the present invention is to provide a kind of lacrimal passage recovery support and its manufacturing methods, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：A kind of lacrimal passage recovery support, including lacrimal passage pipe shell
Body, the lacrimal passage pipe shell body are internally provided with hollow inner tube, and the top of the hollow inner tube is fixedly connected with catheter, institute
The upside of catheter is stated, and is provided with liquid inlet at the top end opening of lacrimal passage pipe shell body, the inside of the lacrimal passage pipe shell body,
And reservoir is fixedly connected at the bottom end opening of hollow inner tube, the bottom end of the lacrimal passage pipe shell body is fixedly connected with dredging
Pipe, the lateral wall of the lacrimal passage pipe shell body are fixedly connected with arc bump, and the arc bump is internally provided with isocon,
And the other end of isocon through lacrimal passage pipe shell body extend to the inside and hollow inner tube of lacrimal passage pipe shell body between fixed connect
It connects.
Preferably, it is fixedly connected between the bottom end of the reservoir and the inner bottom of lacrimal passage pipe shell body.
Preferably, the arc bump is symmetrically arranged with six groups, and every group of arc in the lateral wall both sides of lacrimal passage pipe shell body
The inside of shape convex block is both provided with isocon.
Preferably, the isocon is is formed by fixedly connecting at two catheter openings, and the connection clip between two conduits
Angle is more than 45 °.
The present invention also provides a kind of manufacturing methods of lacrimal passage recovery support, specifically include following steps：
S1, design mold, are designed and manufacture according to the size of lacrimal passage pipe shell body and hollow inner tube, the lacrimal passage
Pipe shell body and the transparent hose that hollow inner tube is silica gel material, the catheter are leading for the soft silica gel material of funnel-shaped structure
Liquid pipe, the reservoir are the reservoir of the soft silica gel material of hollow cylindrical structure；
S2, Raw material processing carry out raw rubber to mould experienced processing, according to use demand formulation, by the way that raw rubber to be put into
It is taken out after being kneaded to 1-1.5h on rubber mixing machine, is put into pallet cooling in air and is placed again into after parking to -30h for 24 hours
Secondary mixing is carried out in rubber mixing machine, the time of secondary mixing takes out after 0.5-1h, be put into pallet made of obtaining half at
Product；
S3, raw material molding, obtained semi-finished product are put into vulcanizer and are processed molding, when in use, to vulcanization
Machine carries out manual control, according to the different rulers of lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and isocon
Very little setting machined parameters, are produced in batches processing by vulcanizer successively, and the lacrimal passage pipe shell body and hollow inner tube after production are by repairing
Side machine carries out deburring processing, and the incision of pipeline ensures Glabrous thorn, convex to the arc of lacrimal passage pipe shell body by tapping machine
Trepanning successively is carried out at block；
S4, molding assembly, before assembly to lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and point
Flow tube, which is put into microwave disinfection equipment, carries out sterilizing processing, after sanitized is taken out, first by hollow inner tube respectively with lead
Liquid pipe is connect with reservoir, and isocon is connected to the lateral wall of hollow inner tube, then hollow inner tube is through to lacrimal passage pipe shell body
Inside, connection is matched with the isocon in arc bump by the isocon in hollow inner tube, completes assembly.
Preferably, in step S4, by lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and isocon
The temperature sterilized in microwave disinfection equipment is put at 60-80 DEG C, the time of sterilization is in 3-5min.
A kind of lacrimal passage recovery support provided by the invention and its manufacturing method, compared with prior art, by by lacrimal passage pipe
It is set as the double-layer structure of lacrimal passage pipe shell body and hollow inner tube, the convenient funnel-shaped structure connected by hollow upper end of inner tube
Catheter inculcates medicine into hollow inner tube, and the isocon of hollow inner tube connection is coordinated to pass through drug in arc bump
Through-hole transfer out, carry out disinfection to lacrimal passage to reach, prevent lacrimal passage from infecting, achieve the purpose that treat lacrimal passage, this is hollow
The bottom end of inner tube has installed reservoir additional, prevents drug is excessive to be flowed near lacrimal passage, excessive drug is stored, is being controlled
When taking out lacrimal passage pipe after treatment, facilitates and handle excessive drug.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is enlarged diagram at the A of the present invention.
In figure：1 lacrimal passage pipe shell body, 2 hollow inner tubes, 3 catheters, 4 liquid inlets, 5 reservoirs, 6 dredging pipes, 7 arcs are convex
Block, 8 isocons.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of lacrimal passage recovery support as shown in Figs. 1-2, including lacrimal passage pipe shell body 1, the lacrimal passage pipes
Outer housing 1 is internally provided with hollow inner tube 2, and the top of the hollow inner tube 2 is fixedly connected with catheter 3, the catheter 3
Upside, and liquid inlet 4 is provided at the top end opening of lacrimal passage pipe shell body 1, the inside of the lacrimal passage pipe shell body 1, and empty
Reservoir 5 is fixedly connected at the bottom end opening of intracardiac pipe 2, the bottom end of the lacrimal passage pipe shell body 1 is fixedly connected with dredging pipe
6, the lateral wall of the lacrimal passage pipe shell body 1 is fixedly connected with arc bump 7, and the arc bump 7 is internally provided with shunting
Pipe 8, and the other end of isocon 8 through lacrimal passage pipe shell body 1 extend to the inside of lacrimal passage pipe shell body 1 and hollow inner tube 2 it
Between be fixedly connected.
Specifically, being fixedly connected between the bottom end of the reservoir 5 and the inner bottom of lacrimal passage pipe shell body 1.
Specifically, the arc bump 7 is symmetrically arranged with six groups, and every group in the lateral wall both sides of lacrimal passage pipe shell body 1
The inside of arc bump 7 is both provided with isocon 8.
Specifically, the isocon 8 is to be formed by fixedly connecting at two catheter openings, and the connection clip between two conduits
Angle is more than 45 °.
The present invention also provides a kind of manufacturing methods of lacrimal passage recovery support, specifically include following steps：
S1, design mold, are designed and manufacture according to the size of lacrimal passage pipe shell body and hollow inner tube, the lacrimal passage
Pipe shell body and the transparent hose that hollow inner tube is silica gel material, the catheter are leading for the soft silica gel material of funnel-shaped structure
Liquid pipe, the reservoir are the reservoir of the soft silica gel material of hollow cylindrical structure；
S2, Raw material processing carry out raw rubber to mould experienced processing, according to use demand formulation, by the way that raw rubber to be put into
It is taken out after being kneaded to 1-1.5h on rubber mixing machine, is put into pallet cooling in air and is placed again into after parking to -30h for 24 hours
Secondary mixing is carried out in rubber mixing machine, the time of secondary mixing takes out after 0.5-1h, be put into pallet made of obtaining half at
Product；
S3, raw material molding, obtained semi-finished product are put into vulcanizer and are processed molding, when in use, to vulcanization
Machine carries out manual control, according to the different rulers of lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and isocon
Very little setting machined parameters, are produced in batches processing by vulcanizer successively, and the lacrimal passage pipe shell body and hollow inner tube after production are by repairing
Side machine carries out deburring processing, and the incision of pipeline ensures Glabrous thorn, convex to the arc of lacrimal passage pipe shell body by tapping machine
Trepanning successively is carried out at block；
S4, molding assembly, before assembly to lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and point
Flow tube, which is put into microwave disinfection equipment, carries out sterilizing processing, after sanitized is taken out, first by hollow inner tube respectively with lead
Liquid pipe is connect with reservoir, and isocon is connected to the lateral wall of hollow inner tube, then hollow inner tube is through to lacrimal passage pipe shell body
Inside, connection is matched with the isocon in arc bump by the isocon in hollow inner tube, completes assembly.
Specifically, in step S4, by lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and isocon
The temperature sterilized in microwave disinfection equipment is put at 60-80 DEG C, the time of sterilization is in 3-5min.
In conclusion compared with prior art, it is an advantage of the invention that：By setting lacrimal passage pipe to lacrimal passage pipe shell body
1 and hollow inner tube 2 double-layer structure, the catheter 3 of the convenient funnel-shaped structure connected by 2 upper end of hollow inner tube is by medicine
Object is inculcated into hollow inner tube 2, and the isocon 8 that hollow inner tube 2 is connected to is coordinated to convey drug by the through-hole in arc bump 7
It goes out, carries out disinfection to lacrimal passage to reach, prevent lacrimal passage from infecting, achieve the purpose that treat lacrimal passage, the bottom end of the hollow inner tube 2
It has installed reservoir 5 additional, has prevented drug is excessive to be flowed near lacrimal passage, excessive drug is stored, after treatment
When lacrimal passage pipe is taken out, facilitates and handle excessive drug.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of lacrimal passage recovery support, including lacrimal passage pipe shell body (1), it is characterised in that：The lacrimal passage pipe shell body (1) it is interior
Portion is provided with hollow inner tube (2), and the top of the hollow inner tube (2) is fixedly connected with catheter (3), the catheter (3)
Upside, and liquid inlet (4) is provided at the top end opening of lacrimal passage pipe shell body (1), the inside of the lacrimal passage pipe shell body (1),
And reservoir (5) is fixedly connected at the bottom end opening of hollow inner tube (2), the bottom end of the lacrimal passage pipe shell body (1), which is fixed, to be connected
It is connected to dredging pipe (6), the lateral wall of the lacrimal passage pipe shell body (1) is fixedly connected with arc bump (7), the arc bump
(7) be internally provided with isocon (8), and the other end of isocon (8) is extended to through lacrimal passage pipe shell body (1) outside lacrimal passage pipe
It is fixedly connected between the inside of shell (1) and hollow inner tube (2).
2. a kind of lacrimal passage recovery support according to claim 1, it is characterised in that：The bottom end of the reservoir (5) and tear
It is fixedly connected between the inner bottom of deferent outer housing (1).
3. a kind of lacrimal passage recovery support according to claim 1, it is characterised in that：The arc bump (7) is in lacrimal passage pipe
The lateral wall both sides of outer housing (1) are symmetrically arranged with six groups, and the inside of every group of arc bump (7) is both provided with isocon (8).
4. a kind of lacrimal passage recovery support according to claim 1, feature exist：The isocon (8) is that two conduits are opened
It is formed by fixedly connecting at mouthful, and the connection angle between two conduits is more than 45 °.
5. the manufacturing method of lacrimal passage recovery support described in a kind of claim 1, which is characterized in that specifically include following steps：
S1, design mold, are designed and manufacture according to the size of lacrimal passage pipe shell body and hollow inner tube, outside the lacrimal passage pipe
Shell and the transparent hose that hollow inner tube is silica gel material, the catheter are the drain of the soft silica gel material of funnel-shaped structure
Pipe, the reservoir are the reservoir of the soft silica gel material of hollow cylindrical structure；
S2, Raw material processing carry out raw rubber to mould experienced processing, according to use demand formulation, by the way that raw rubber is put into refining glue
It is taken out after being kneaded to 1-1.5h on machine, is put into pallet cooling in air and is placed again into refining glue after parking to -30h for 24 hours
Secondary mixing is carried out in machine, the time of secondary mixing takes out after 0.5-1h, is put into pallet and obtains manufactured semi-finished product；
S3, raw material molding, obtained semi-finished product are put into vulcanizer and are processed molding, when in use, to vulcanizer into
Row manual control is set according to the different sizes of lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and isocon
Determine machined parameters, produce processing in batches successively by vulcanizer, the lacrimal passage pipe shell body and hollow inner tube after production pass through trimmer
Carry out deburring processing, the incision of pipeline ensures Glabrous thorn, by tapping machine to the arc bump of lacrimal passage pipe shell body at
Carry out trepanning successively；
S4, molding assembly, before assembly to lacrimal passage pipe shell body, hollow inner tube, catheter, reservoir, dredging pipe and isocon
Be put into microwave disinfection equipment and carry out sterilizing processing, after sanitized is taken out, first by hollow inner tube respectively with catheter
It is connect with reservoir, isocon is connected to the lateral wall of hollow inner tube, then hollow inner tube is through in lacrimal passage pipe shell body
Portion matches connection with the isocon in arc bump by the isocon in hollow inner tube, completes assembly.
6. a kind of manufacturing method of lacrimal passage recovery support according to claim 5, it is characterised in that：In step S4, by tear
Deferent outer housing, hollow inner tube, catheter, reservoir, dredging pipe and isocon are put into the temperature sterilized in microwave disinfection equipment
Degree is at 60-80 DEG C, and the time of sterilization is in 3-5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735318.2A CN108742960A (en) | 2018-07-06 | 2018-07-06 | Lacrimal passage recovery support and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735318.2A CN108742960A (en) | 2018-07-06 | 2018-07-06 | Lacrimal passage recovery support and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108742960A true CN108742960A (en) | 2018-11-06 |
Family
ID=63972529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735318.2A Pending CN108742960A (en) | 2018-07-06 | 2018-07-06 | Lacrimal passage recovery support and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108742960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288579A (en) * | 2021-06-21 | 2021-08-24 | 卢国华 | Novel artificial lacrimal duct |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005312835A (en) * | 2004-04-30 | 2005-11-10 | M L C:Kk | Lacrimal passage stent reinforced by thread |
| CN201175409Y (en) * | 2008-01-31 | 2009-01-07 | 李进凯 | Full lacrimal-passage support |
| CN201404352Y (en) * | 2009-05-25 | 2010-02-17 | 赵梅 | Lacrimal passage bushing |
| CN201987738U (en) * | 2011-01-19 | 2011-09-28 | 杨超 | Irrigator for lacrimal passage |
| CN202637198U (en) * | 2012-04-05 | 2013-01-02 | 贺鹏举 | Flow guiding support frame for anastomosis operation of lacrimal sac and nasal cavity |
| CN105641794A (en) * | 2016-03-02 | 2016-06-08 | 广州佳林医疗科技有限公司 | Cross-shaped drainage pipe and mold and machining method for forming drainage pipe once |
| CN206499574U (en) * | 2016-12-02 | 2017-09-19 | 程世明 | Many anti-skidding lacrimal passage pipes of ball-type |
| CN107184295A (en) * | 2017-07-19 | 2017-09-22 | 上海市同济医院 | Adjustable lacrimal stent |
-
2018
- 2018-07-06 CN CN201810735318.2A patent/CN108742960A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005312835A (en) * | 2004-04-30 | 2005-11-10 | M L C:Kk | Lacrimal passage stent reinforced by thread |
| CN201175409Y (en) * | 2008-01-31 | 2009-01-07 | 李进凯 | Full lacrimal-passage support |
| CN201404352Y (en) * | 2009-05-25 | 2010-02-17 | 赵梅 | Lacrimal passage bushing |
| CN201987738U (en) * | 2011-01-19 | 2011-09-28 | 杨超 | Irrigator for lacrimal passage |
| CN202637198U (en) * | 2012-04-05 | 2013-01-02 | 贺鹏举 | Flow guiding support frame for anastomosis operation of lacrimal sac and nasal cavity |
| CN105641794A (en) * | 2016-03-02 | 2016-06-08 | 广州佳林医疗科技有限公司 | Cross-shaped drainage pipe and mold and machining method for forming drainage pipe once |
| CN206499574U (en) * | 2016-12-02 | 2017-09-19 | 程世明 | Many anti-skidding lacrimal passage pipes of ball-type |
| CN107184295A (en) * | 2017-07-19 | 2017-09-22 | 上海市同济医院 | Adjustable lacrimal stent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288579A (en) * | 2021-06-21 | 2021-08-24 | 卢国华 | Novel artificial lacrimal duct |
| CN113288579B (en) * | 2021-06-21 | 2022-07-12 | 卢国华 | Novel artificial lacrimal duct |
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Application publication date: 20181106 |
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