CN108635089A - The corollary apparatus of the lacrimal stent of gas injection type - Google Patents
The corollary apparatus of the lacrimal stent of gas injection type Download PDFInfo
- Publication number
- CN108635089A CN108635089A CN201810489739.1A CN201810489739A CN108635089A CN 108635089 A CN108635089 A CN 108635089A CN 201810489739 A CN201810489739 A CN 201810489739A CN 108635089 A CN108635089 A CN 108635089A
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- China
- Prior art keywords
- gas injection
- lacrimal
- stent
- corollary apparatus
- lachrymal sac
- Prior art date
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- 238000002347 injection Methods 0.000 title claims abstract description 96
- 239000007924 injection Substances 0.000 title claims abstract description 96
- 210000004083 nasolacrimal duct Anatomy 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 10
- 210000000591 tricuspid valve Anatomy 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 210000005070 sphincter Anatomy 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002757 inflammatory effect Effects 0.000 abstract description 2
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 210000001519 tissue Anatomy 0.000 description 6
- 206010061218 Inflammation Diseases 0.000 description 5
- 230000004054 inflammatory process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000036770 blood supply Effects 0.000 description 4
- 210000001331 nose Anatomy 0.000 description 4
- 210000002460 smooth muscle Anatomy 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000003205 diastolic effect Effects 0.000 description 3
- 230000000916 dilatatory effect Effects 0.000 description 3
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000000451 tissue damage Effects 0.000 description 2
- 231100000827 tissue damage Toxicity 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 208000030961 allergic reaction Diseases 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 208000016747 lacrimal apparatus disease Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- 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
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Transplantation (AREA)
- Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of corollary apparatus of the lacrimal stent of gas injection type, the corollary apparatus of the lacrimal stent includes lacrimal stent and gas injection syringe needle；The lacrimal stent includes superior canaliculus portion, lower lacrimal canaliculi portion, lachrymal sac portion, nasolacrimal duct portion, gas injection port；The superior canaliculus portion and lower lacrimal canaliculi portion are that hollow structure is connected to lachrymal sac portion；The lachrymal sac portion is connected to nasolacrimal duct portion；Nasolacrimal duct portion one end is connected to lachrymal sac portion, and the other end is equipped with gas injection port；The gas injection syringe needle includes gas injection spike body, gas injection cylinder, LED light, piston, LED light switch.It the advantage is that：The thickness of adjusting bracket is conducive to the function of the sphincter of the Inflammatory substances exercise lacrimal passage of irrigation of lacrimal passage.Easy to operate, convenient, patient can voluntarily be in operation, greatly reduce medical treatment cost, and the excessive tear state that can more preferably improve patient improves the quality of life of patient, while reducing the recurrence rate of obstruction of lacrimal passage.
Description
Technical field
The present invention relates to the field of medical instrument technology, specifically, being the corollary apparatus of the lacrimal stent of gas injection type.
Background technology
Obstruction of lacrimal passage is the common lacrimal apparatus disease of ophthalmology, often causes the clinical symptoms of excessive tear, can seriously affect the life of patient
Bioplasm amount.Lacrimal Passage Block is mainly in adult female and the middle-aged and the old, and common cause has in inflammation, wound, lacrimal passage and exists
Calculus.Excessive tear often results in lachrymal sac portion flush, erosion, causes the flora imbalance of ocular, is such as not treated in time and easily forms lachrymal sac
Scorching and eye surface diseases.
Its therapy is mostly Lacrimal passage tube art.Lacrimal passage tube art refers to that lacrimal passage drainage tubes are placed on obstruction of lacrimal passage position
On, it is mainly used for treating the inflammatory obstruction of each section of film property lacrimal passage and while has the narrow person of bone lacrimal passage low middling and upper tear
The wound fracture person in road, can be with lacrimal Laser, endoscope and anastomosis use in conjunction.Common tube placing operation formula includes in clinic
Lacrimal duct drainage tube tube placing operation, nasolacrimal duct drainage tube tube placing operation, full lacrimal passage drainage tubes tube placing operation.The mechanism of Lacrimal passage tube art be by
The drainage tube short time is retained in obstructive position, supports lacrimal passage, maintains its normal anatomical structures, until after taking pipe, lacrimal passage remains to protect
Opening is held, tear is made smoothly to be discharged.
Existing lacrimal stent has following deficiency：1. existing lacrimal stent is rinsed lacrimal passage or drug treatment operation is multiple
It is miscellaneous, often need hospital treatment, patient can not be in operation.2. existing holder is generally constant caliber, not expansible lacrimal passage,
Easily cause chronic inflammatory reaction, obstruction of lacrimal passage is easily again resulted in after tube drawing.
Chinese patent literature：CN201710588279.3, applying date 2017.7.19, patent name are：Adjustable lacrimal passage branch
Frame discloses expansion pipe, body portion stent outer on the outside of a kind of adjustable lacrimal stent, including side pipe, sacculus threading tunnel, sacculus
It expands pipe, valve water injection pipe, water filling syringe needle, sacculus support liner and body portion holder and supports liner.On the outside of side pipe tail end and sacculus
The connection of expansion pipe threads tunnel with sacculus and connect, and expansion pipe is that spheroid shape is wrapped in tail portion on the outside of sacculus support liner on the outside of sacculus
It connects, is sleeved on the outside of body portion holder support liner, surface is uniformly equipped with microscopic pinholes, tail portion with body portion stent outer expansion pipe
It is connected with valve water injection pipe.Valve water injection pipe is made of casing, one-way cock plug and four elastic rubber protrusions.Water filling syringe needle goes out
The mouth of a river is located at the side of syringe needle.
Its advantage is shown：The structure of scaffold mimics lacrimal passage, including lacrimal point, lachrymal sac, nasolacrimal duct, can excite lacrimal passage smooth muscle
Potential function does not easily cause the tissue edema of lacrimal passage, reinforces the blood supply of lacrimal passage, mitigates the inflammatory reaction of lacrimal passage, plays adjusting
The effect of expansion and the contracting lacrimal passage that relaxes.But about a kind of adjustable caliber, the sphincter function of lacrimal passage can be tempered by expanding
The lacrimal stent of systolic and diastolic function, and doctors and patients is facilitated to use, patient voluntarily can visually rinse the technical solution of dressing operation also not
There is corresponding disclosure.
In conclusion there is an urgent need for a kind of adjustable caliber, the sphincter function systolic and diastolic function of lacrimal passage can be tempered by expanding,
And facilitate doctors and patients to use, patient voluntarily can visually rinse the lacrimal stent of dressing operation, and also not about this lacrimal stent
It appears in the newspapers.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of adjustable calibers, and patient oneself is facilitated to operate,
The lacrimal stent of the sphincter systolic and diastolic function of lacrimal passage can be tempered by expansion.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of corollary apparatus of the lacrimal stent of gas injection type, the corollary apparatus of the lacrimal stent includes lacrimal stent and note
Air tube head；The lacrimal stent includes superior canaliculus portion, lower lacrimal canaliculi portion, lachrymal sac portion, nasolacrimal duct portion, gas injection port；On described
Lacrimal portion and lower lacrimal canaliculi portion are that hollow structure is connected to lachrymal sac portion；The lachrymal sac portion is connected to nasolacrimal duct portion；The nose tear
Pipe portion one end is connected to lachrymal sac portion, and the other end is equipped with gas injection port；
The gas injection syringe needle includes gas injection spike body, gas injection cylinder, LED light, piston, LED light switch；The gas injection
Cylinder one end connects gas injection spike body, and the other end connects piston；The piston is equipped with LED light, and the lamp bead setting of LED light
In piston nose center；The shank of the LED light switch setting piston.
As a kind of perferred technical scheme, the gas injection spike body is the dismountable hollow metal of freedom of passivity
Needle, front end are warp architecture.
As a kind of perferred technical scheme, it is carved with graduation mark on the gas injection cylinder.
As a kind of perferred technical scheme, the lacrimal stent is made of durable medical silica-gel, and the tear of lacrimal stent
Superior canaliculus portion, lower lacrimal canaliculi portion, lachrymal sac portion, the nasolacrimal duct portion of road holder design for integral type.
As a kind of perferred technical scheme, the superior canaliculus portion for the lacrimal stent stated, lower lacrimal canaliculi portion initial part are light
The sliding structure type being closed.
As a kind of perferred technical scheme, the gas injection port is tricuspid valve structure.
As a kind of perferred technical scheme, inner liner is equipped with around the piston；The inner liner uses poly- third
Dilute material is made.
As a kind of perferred technical scheme, the corollary apparatus of the lacrimal stent further includes guide line；The guide line
One is respectively connected in superior canaliculus portion and lower lacrimal canaliculi portion.
The invention has the advantages that：
A kind of corollary apparatus of the lacrimal stent of gas injection type of the present invention, it is simple in structure, it is easy to use, safe, use operation
After lacrimal stent is put into, can inflation/deflation be carried out to holder as needed, change holder caliber, can very easily carry out
Medicine-feeding is rinsed, and inflammation is reduced.
2, the easypro contracting nose lacrimal passage tube wall of the expansion and contraction of lacrimal stent is made by gas injection, even tending to the tissue of adhesion
Again it loosens, and the potential function of lacrimal passage smooth muscle can be excited, reinforce the blood supply of lacrimal passage.
3, the physiological anatomic architecture of the scaffold mimics lacrimal passage, including upper and lower lacrimal；Lachrymal sac；Nasolacrimal duct；Lachrymal sac with it is upper,
Certain angle is presented in lower lacrimal canaliculi.Preferably play the role of adjusting expansion and the contracting lacrimal passage that relaxes；
4, it is the structure of a tricuspid flap-type at the gas injection port of lacrimal stent, fits with gas injection syringe needle, the entrance of gas
The air-tightness of device can only be ensure that with output by gas injection syringe needle.
5, the lacrimal portion initial part of lacrimal stent is the caliber of smooth closure, reduces holder to lacrimal mucous membrane friction
It causes to damage, while upper lower lacrimal canaliculi is connected, the slippage of lacrimal stent is prevented during setting pipe；
6, mating gas injection syringe has LED light, on the one hand, contributes to patient to see lacrimal passage situation clearly, carries out tear duct dilating；Separately
On the one hand, patient can be in Self-operating dressing, convenient and efficient.
7, upper and lower small tear stains portion carries guide line, places guide line seam after lacrimal stent together, more preferably fixed tear
Road holder.The postoperative slippage of lacrimal stent effectively is prevented, to reduce the recurrence rate of obstruction of lacrimal passage.
8, the small tear stains of human body or more, lachrymal sac, the structures such as nasolacrimal duct, using durable medical silica-gel material are imitated in present invention design
Material, surface is smooth, reduces tissue damage.
Description of the drawings
Attached drawing 1 is a kind of structural schematic diagram of the corollary apparatus of the lacrimal stent 1 of gas injection type of the present invention.
Attached drawing 2 is a kind of using state structure diagram of the corollary apparatus of the lacrimal stent 1 of gas injection type of the present invention.
Attached drawing 3 is the part plan enlarged structure schematic diagram of gas injection port.
Attached drawing 4 is the structural schematic diagram of gas injection syringe needle.
Specific implementation mode
With reference to embodiment, simultaneously, with reference to attached drawing the invention will be further described.
Reference numeral and component part involved in attached drawing is as follows：
1. lacrimal stent
11. superior canaliculus portion
12. lower lacrimal canaliculi portion
13. lachrymal sac portion
14. nasolacrimal duct portion
15. gas injection port
16. guide line
2. gas injection syringe needle
21. gas injection spike body
22. gas injection cylinder
23.LED lamps
24. piston
25.LED lamp switches
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of the corollary apparatus of the lacrimal stent 1 of gas injection type of the present invention.One
The corollary apparatus of the lacrimal stent 1 of kind gas injection type, the corollary apparatus of the lacrimal stent 1 includes lacrimal stent 1 and gas injection syringe needle
2；The lacrimal stent 1 includes superior canaliculus portion 11, lower lacrimal canaliculi portion 12, lachrymal sac portion 13, nasolacrimal duct portion 14, gas injection port；Institute
It is that hollow structure is connected to lachrymal sac portion 13 to state superior canaliculus portion 11 and lower lacrimal canaliculi portion 12；The lachrymal sac portion 13 and nasolacrimal duct portion 14
Connection；Described 14 one end of nasolacrimal duct portion is connected to lachrymal sac portion 13, and the other end is equipped with gas injection port；The gas injection port is tricuspid valve knot
Structure.
Fig. 2 is please referred to, Fig. 2 is a kind of use state structure of the corollary apparatus of the lacrimal stent 1 of gas injection type of the present invention
Schematic diagram.The corollary apparatus of the lacrimal stent 1 further includes guide line；The guide line is in superior canaliculus portion 11 and lower lacrimal canaliculi
One is respectively connected in portion 12；The initial part in the superior canaliculus portion 11 and lower lacrimal canaliculi portion 12 is smooth closure；The upper tear
11 long 16mm of small pipe portion；12 long 18mm of the lower lacrimal canaliculi portion；
The lachrymal sac portion 13 is elliposoidal hollow structure；13 long 10mm of the lachrymal sac portion, internal diameter 7mm, outer diameter 9mm；
The pipe wall internal diameters 1.5mm in the nasolacrimal duct portion 14, outer diameter 4mm, long 65mm；
14 transverse diameter of nasolacrimal duct portion is about 4-7mm, length about 20mm, and maximum expansible 5 times, nasolacrimal duct portion 14 is a length of
65mm。
Fig. 3 is please referred to, Fig. 3 is the part plan enlarged structure schematic diagram of gas injection port.The gas injection port is gathered by tricuspid valve
It closes, a length of 0.75mm of valve of the tricuspid valve.
Fig. 4 is please referred to, Fig. 4 is the structural schematic diagram of gas injection syringe needle 2.The gas injection syringe needle 2 includes gas injection spike body
21, gas injection cylinder 22, LED light 23, piston 24, LED light switch 25；22 one end of gas injection cylinder connection gas injection spike body 1, separately
One end connects piston 24；The piston 24 is equipped with LED light 23, and the lamp bead of LED light 23 is set to 24 front center of piston；
The shank of piston 24 is arranged in the LED light switch 25；The piston 24 is internally provided with circuit；It is equipped with around the piston 24
Inner liner；The inner liner is made using acrylic material.The gas injection syringe needle 2 is connected to gas injection by inserted mode
On cylinder 22；The gas injection cylinder 22 is closed with 24 matching size of piston, forms closed structure；The gas injection spike body 21 is passivity
Freely dismountable hollow metal needle, front end is warp architecture, the long 15mm of syringe needle；22 long 50mm of the gas injection cylinder, the note
It is carved with graduation mark on inflator 22.
It should be noted that：
The lacrimal stent 1 can inject air by gas injection syringe needle 2, play the easypro contracting nose lacrimal passage tube wall of expansion and contraction,
Even the tissue for tending to adhesion is loosened again, and can excite the potential function of lacrimal passage smooth muscle, reinforce the blood supply of lacrimal passage.
The superior canaliculus portion 11 of the lacrimal stent 1, the caliber that 12 initial part of lower lacrimal canaliculi portion is smooth closure, are reduced
Holder to lacrimal mucous membrane friction causes to damage.
It is the structure of a tricuspid flap-type at the gas injection port of the lacrimal stent 1, fits with gas injection syringe needle 2, gas
Into and out can only ensure that the air-tightness of device by gas injection syringe needle 2.
The gas injection gas injection syringe needle 2 carries LED light 23, allows patient to carry out lacrimal passage in the case of visual and lives gas, the behaviour
Make easy, safety.
The generally medical silica-gel material of the lacrimal stent 1, with good telescopicing performance, good biocompatibility is right
Tissue is nonirritant, non-toxic, few without allergic reaction, body rejection；With good physicochemical property, with body fluid
And its original elasticity and pliability can be kept in tissue contact process, it is not degraded, is a kind of inert material of quite stable
Matter.Energy high temperature resistant, can sterilize.Machine-shaping is convenient, and easy processing carves shape, easy to use.It is preferred that silica gel material is selected mainly
Ingredient is made of elastomeric synthetic rubber, polyurethane, silicon rubber one or more.
The guide line is right Fiber Materials, is made of carbon fiber (carbon fiber, abbreviation CF), is a kind of phosphorus content
High intensity, the new fiber materials of high modulus fibre 95% or more.
It is that LED light 23 provides power supply and conducting wire connects each device that the piston 2434, which is additionally provided with battery,；The note
Gas port is polymerized by tricuspid valve, and the tricuspid valve has one-way conduction, and when gas injection needle is inserted into, tricuspid valve stress is to tube wall
Movement, can be by the inside inflation of gas injection syringe needle 2 or air-breathing, and when gas injection syringe needle 2 is extracted, tricuspid valve fits closely, and is formed close
It holds one's breath room.In addition, gas injection port ensures the air-tightness of device, prevents the secretion in nasal cavity from entering in lacrimal stent 1, pass through simultaneously
Syringe exchanging gas.
The gas injection cylinder 22 is made of polypropylene material, good biocompatibility, and transparency is high, clear accurate
Graduation mark, sliding capability are good.
The LED switch is connected by circuit with LED, and the connection of LED switch circuit is pressed, and LED is lighted, and contributes to patient
See lacrimal passage situation clearly, carries out tear duct dilating.
A kind of occupation mode of the corollary apparatus of the lacrimal stent 1 of gas injection type of the present invention is：Pass through the Lacrimal passage tube that drives in the wrong direction
Method is placed in lacrimal passage from meatus nasi inferior, because the lacrimal stent 1 of gas injection type includes upper and lower lacrimal, therefore needs to carry out in surgical procedure
It is intubated twice, takes out the draught line of lower lacrimal canaliculi for the first time, second of intubation takes out the draught line of superior canaliculus, waits for that tear is small up and down
Pipe out after, suitably homogenous that the implanting saccule at front end of lacrimal stent 1 is firmly pulled to lachrymal sac portion 13, fixed lacrimal stent 1, by it is upper,
After lower lacrimal canaliculi pulls out puncta, upper and lower puncta initial part is connected with 10-0 sutures.
A kind of corollary apparatus of the lacrimal stent 1 of gas injection type of the present invention, it is simple in structure, it is easy to use, safe, use operation
After lacrimal stent 1 is put into, can as needed to holder carry out inflation/deflation, change holder caliber, can very easily into
Row medicine-feeding is rinsed, and inflammation is reduced.By gas injection so that the expansion and contraction of lacrimal stent 1 are relaxed contracting nose lacrimal passage tube wall, even becoming
It loosens again in the tissue of adhesion, and the potential function of lacrimal passage smooth muscle can be excited, reinforce the blood supply of lacrimal passage.The scaffold mimics tear
The physiological anatomic architecture in road, including upper and lower lacrimal；Lachrymal sac；Nasolacrimal duct；Certain angle is presented with upper and lower lacrimal in lachrymal sac.
Preferably play the role of adjusting expansion and the contracting lacrimal passage that relaxes；It is the structure of a tricuspid flap-type at the gas injection port of lacrimal stent 1, with
Gas injection syringe needle 2 fits, and the into and out of gas can only ensure that the air-tightness of device by gas injection syringe needle 2；Lacrimal stent
1 lacrimal portion initial part is the caliber of smooth closure, reduces holder and causes to damage to lacrimal mucous membrane friction, while up and down
Lacrimal is connected, and the slippage of lacrimal stent 1 is prevented during setting pipe；Mating gas injection syringe has LED light 23, on the one hand, has
Help patient and see lacrimal passage situation clearly, carries out tear duct dilating；On the other hand, patient can be in Self-operating dressing, convenient and efficient.
Upper and lower small tear stains portion carries guide line, places guide line seam after lacrimal stent 1 together, more preferable fixed lacrimal stent 1.Have
Effect prevents 1 postoperative slippage of lacrimal stent, to reduce the recurrence rate of obstruction of lacrimal passage.It is small that the present invention designs imitation human body or more
Tear stains, lachrymal sac, the structures such as nasolacrimal duct, using durable medical silica-gel material, surface is smooth, reduces tissue damage.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the principle of the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (8)
1. a kind of corollary apparatus of the lacrimal stent of gas injection type, the corollary apparatus of the lacrimal stent includes lacrimal stent and gas injection
Syringe needle；The lacrimal stent includes superior canaliculus portion, lower lacrimal canaliculi portion, lachrymal sac portion, nasolacrimal duct portion, gas injection port；The upper tear
Small pipe portion and lower lacrimal canaliculi portion are that hollow structure is connected to lachrymal sac portion；The lachrymal sac portion is connected to nasolacrimal duct portion；The nasolacrimal duct
Portion one end is connected to lachrymal sac portion, and the other end is equipped with gas injection port；
The gas injection syringe needle includes gas injection spike body, gas injection cylinder, LED light, piston, LED light switch；The gas injection cylinder one
End connection gas injection spike body, the other end connect piston；The piston is equipped with LED light, and the lamp bead of LED light is set to work
Fill in front center；The shank of the LED light switch setting piston.
2. gas injection syringe according to claim 1, which is characterized in that the gas injection spike body is that the freedom of passivity is removable
The hollow metal needle unloaded, front end are warp architecture.
3. gas injection syringe according to claim 1, which is characterized in that be carved with graduation mark on the gas injection cylinder.
4. a kind of corollary apparatus of the lacrimal stent of gas injection type according to claim 1, which is characterized in that the lacrimal passage branch
Frame is made of durable medical silica-gel, and the superior canaliculus portion of the lacrimal stent of lacrimal stent, lower lacrimal canaliculi portion, lachrymal sac portion, nose tear
Pipe portion designs for integral type.
5. a kind of corollary apparatus of the lacrimal stent of gas injection type according to claim 1, which is characterized in that the lacrimal passage branch stated
The superior canaliculus portion of frame, the structure type that lower lacrimal canaliculi portion initial part is smooth closure.
6. a kind of corollary apparatus of the lacrimal stent of gas injection type according to claim 1, which is characterized in that the gas injection
Mouth is tricuspid valve structure.
7. a kind of corollary apparatus of the lacrimal stent of gas injection type according to claim 1, which is characterized in that the piston
Surrounding is equipped with inner liner；The inner liner is made using acrylic material.
8. a kind of corollary apparatus of the lacrimal stent of gas injection type according to claim 1, which is characterized in that the lacrimal passage branch
The corollary apparatus of frame further includes guide line；The guide line respectively connects one in superior canaliculus portion and lower lacrimal canaliculi portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489739.1A CN108635089A (en) | 2018-05-21 | 2018-05-21 | The corollary apparatus of the lacrimal stent of gas injection type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489739.1A CN108635089A (en) | 2018-05-21 | 2018-05-21 | The corollary apparatus of the lacrimal stent of gas injection type |
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| Publication Number | Publication Date |
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| CN108635089A true CN108635089A (en) | 2018-10-12 |
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ID=63757298
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810489739.1A Pending CN108635089A (en) | 2018-05-21 | 2018-05-21 | The corollary apparatus of the lacrimal stent of gas injection type |
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| CN (1) | CN108635089A (en) |
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| CN111920577A (en) * | 2020-06-03 | 2020-11-13 | 永康市第一人民医院 | Lacrimal passage valve probing and expanding instrument |
| WO2023045289A1 (en) * | 2021-02-07 | 2023-03-30 | 程秀著 | Led lacrimal duct probe |
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Application publication date: 20181012 |