CN108743018A - A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion - Google Patents
A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion Download PDFInfo
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- CN108743018A CN108743018A CN201810939698.1A CN201810939698A CN108743018A CN 108743018 A CN108743018 A CN 108743018A CN 201810939698 A CN201810939698 A CN 201810939698A CN 108743018 A CN108743018 A CN 108743018A
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- China
- Prior art keywords
- lacrimal passage
- goalpost
- tubule
- capsule
- lacrimal
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- 239000002775 capsule Substances 0.000 title claims abstract description 30
- 210000005239 tubule Anatomy 0.000 claims abstract description 62
- 239000007924 injection Substances 0.000 claims abstract description 42
- 238000002347 injection Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000011049 filling Methods 0.000 claims abstract description 29
- 210000001578 tight junction Anatomy 0.000 claims abstract description 9
- 229920001971 elastomer Polymers 0.000 claims description 15
- 229920005549 butyl rubber Polymers 0.000 claims description 8
- 210000004083 nasolacrimal duct Anatomy 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008520 organization Effects 0.000 abstract description 6
- 210000005070 sphincter Anatomy 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 206010061218 Inflammation Diseases 0.000 description 5
- 230000004054 inflammatory process Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 230000000750 progressive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000003928 nasal cavity Anatomy 0.000 description 4
- 210000001331 nose Anatomy 0.000 description 4
- 206010030113 Oedema Diseases 0.000 description 3
- 230000036770 blood supply Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- 210000002460 smooth muscle Anatomy 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000909851 Epiphora Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001684 chronic effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 210000000744 eyelid Anatomy 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 208000016747 lacrimal apparatus disease Diseases 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000006386 memory function Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 2
- RKDVKSZUMVYZHH-UHFFFAOYSA-N 1,4-dioxane-2,5-dione Chemical group O=C1COC(=O)CO1 RKDVKSZUMVYZHH-UHFFFAOYSA-N 0.000 description 1
- 206010010741 Conjunctivitis Diseases 0.000 description 1
- 206010058109 Hangnail Diseases 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 208000030961 allergic reaction Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 201000003079 ectropion Diseases 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical group CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008227 sterile water for injection Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000007704 transition 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
- 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
- A61F9/00772—Apparatus for restoration of tear ducts
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
-
- 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
Abstract
The present invention relates to a kind of three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion, three chambers, the two capsule Lacrimal passage tube includes side pipe, the main support conduit of lacrimal passage, threading tunnel, expandable balloon, inner and outer pipes tight junctions, expansible goalpost, sacculus water filling tubule, goalpost gas injection tubule, goalpost air injection pipe fixation loop；The expandable balloon is surrounded on the main support conduit epimere of lacrimal passage；The expansible goalpost is surrounded on the hypomere of lacrimal passage support conduit；The inner and outer pipes tight junctions are set between expandable balloon and expansible goalpost.Its advantage is shown：Lachrymal sac position Balloon size can be adjusted according to patient's lachrymal sac size personalization, stablized Lacrimal passage tube, prevented from falling off, simultaneously can regular activity, expansion nasolacrimal duct position goalpost, mitigate absent-mindedness adhesion organization, improve the stopping state at nasolacrimal duct position, and tempers the function of lacrimal passage sphincter；It is easy to operate, convenient, it can more preferably improve the excessive tear state of patient, improve patients ' life quality.
Description
Technical field
The present invention relates to clinical ophthalmology treatment technology fields, specifically, being a kind of being hindered for lacrimal passage for adjustable expansion
Three chambers, the two capsule Lacrimal passage tube of plug.
Background technology
Lacrimal passage includes upper and lower puncta, upper lower lacrimal canaliculi, tear manifold, lachrymal sac and nasolacrimal duct, and major function is drainage tear
Liquid enters nasal cavity.The obstruction at any position of lacrimal passage is referred to as obstruction of lacrimal passage.Wherein nasolacrimal duct lower end is an Anatomicstenosis section, easily
It is influenced to block by nasal cavity lesion.Lacrimal passage initial part (lacrimal point, lacrimal, tear manifold) caliber is narrow thin, and position table is shallow, and with
It is communicated near conjunctival sac, is easy to be influenced and block by inflammation, wound.Obstruction of lacrimal passage patient is mainly shown as epiphora,
Sense of discomfort is brought to patient.Long-term tear dipping simultaneously, can cause chronic stimulation membranous conjunctivitis, lower eyelid and the eczmatous skin of Face and cheek
It is scorching.Patient cleans tears for a long time, and long term can cause lower eyelid ectropion, to aggravate epiphora symptom.
Often lacrimal passage silicone tube indwelling is used to treat lacrimal duct abstruction at present.But current clinically common silica gel indwelling tube 1. is not
Energy adjusting size, patient's lachrymal sac size is variant, and holder is easy to fall off 2. traditional silica gel and stays in postoperative some patientss nasolacrimal
It sets pipe and is unable to activity of expansion, place in nose lacrimal passage easily cause chronic inflammatory reaction for a long time, lacrimal passage is be easy to cause after tube drawing again
Secondary blocking.
Chinese patent literature：CN201420522940.2, applying date 2014.09.11, patent name are：Lacrimal stent.It is public
A kind of lacrimal stent has been opened, it is characterized in that including lacrimal tube body and nasolacrimal duct tube body, the lacrimal tube body and nasolacrimal duct pipe
Body is integral luminal structure, and lacrimal tube body end is solid garden arc-shaped head, and head is equipped with head traction hole, nose tear
The diameter of pipe tube body is more than the diameter of lacrimal tube body, and the transition of lacrimal tube body and nasolacrimal duct tube body draws equipped with water-drop-shaped
Drug delivery port is flowed, nasolacrimal duct tube body is equipped with hangnail threading hole and bottom adjusts threading hole.The utility model can to lacrimal tube body,
Tear manifold, nasolacrimal duct play the role of whole support dilating drainage.But the diameter that the lacrimal stent is nasolacrimal duct tube body is more than tear
The diameter of tubule tube body can not play the role of contraction and diastole lacrimal passage, and holder easily generates adhesion with tissue.The holder lachrymal sac
Area's Balloon size is fixed, not expansible, and some patients are easy to fall off.
Chinese patent literature：CN201310132070.8, applying date 2013.04.17, patent name：One kind having shape
The preparation method of memory function degradable lacrimal passage bracket.Disclose a kind of system with shape memory function degradable lacrimal passage bracket
Preparation Method.The present invention is handed over using lactic acid and dihydric alcohol or lactic acid, glycolic and caprolactone as the direct copolycondensation method of monomer or with third
The lower molecular wt polymer of ester and dihydric alcohol or lactide, glycolide and caprolactone ring-opening polymerisation method synthesized degradable expands
Chain adds nanosized SiO_2, and melt blending, which squeezes out, is made degradable nano composite material, extrusion molding, be made internal diameter be 0.4~
0.6mm, outer diameter are 0.8~1.2mm, and length is that pipe is stretched to by 55~65mm cylindrical tubes more than glass transition temperature
Internal diameter is 0.2~0.4mm, and outer diameter is 0.5~0.9mm, and length is 75~85mm elongated tubulars, and cooling preserves to get required product.
The lacrimal stent can be used for treating nasolacrimal passage obliteration, and after being implanted into lacrimal passage, environment temperature is higher than its glass transition temperature, and deformation is returned
Multiple, diameter is thicker, keeps lacrimal stent not easily to fall off, and character is in soft rubber-like, patient comfort.But the invention
The thickness that lacrimal stent is controlled by temperature tends to be that the thickness of lacrimal stent will no longer change when body temperature, can not diastole
Lacrimal passage.The puncta that tear arrives, the structure of lacrimal, lachrymal sac, nasolacrimal duct are not imitated out in the invention completely.
Chinese patent literature：CN201220065260.3, applying date 2012.02.27, patent name are：It is a kind of multi-functional
Lacrimal stent.A kind of multi-functional lacrimal stent, including positioning column are disclosed, the lower end of the positioning column is equipped with separator disc, positioning
The upper end of column is equipped with progressive pipe, and the big end of the progressive pipe is connected on positioning column, and locating bar is connected on the small end of progressive pipe,
It is additionally provided with the draining hole being in communication with the outside on progressive pipe, is equipped in separator disc, positioning column and the progressive pipe and is connected to draining hole
Flow-guiding channel.The utility model structure is very simple, and dismounting is very convenient, and performance is very reliable, fixed supporting & stablizing, effectively anti-
Only previous anastomotic adhesion greatly improves the success rate and security reliability of dacryocystorhinostomy operation, clinically has high
Use value.But the lacrimal stent be nasolacrimal duct tube body diameter be more than lacrimal tube body diameter, can not play contraction and
The effect of diastole lacrimal passage, and holder easily generates adhesion with tissue.
In conclusion there is an urgent need for one kind can adjusting lachrymal sac position Balloon size according to patient's lachrymal sac size personalization, stablize tear
Pipe is set in road, prevents from falling off, at the same can regular activity, expansion nasolacrimal duct position goalpost, mitigate absent-mindedness adhesion organization, improve nose tear
The stopping state of pipe portion position, and the function of lacrimal passage sphincter is tempered, it is easy to operate, convenient, it can more preferably improve the excessive tear shape of patient
State improves a kind of three chambers, the two capsule Lacrimal passage tube of adjustable expansion of patients ' life quality at present then without relevant report.
Invention content
The purpose of the present invention is being directed to deficiency in the prior art, providing one kind can be according to patient's lachrymal sac size personalization tune
Save lachrymal sac position Balloon size, stablize Lacrimal passage tube, prevent from falling off, at the same can regular activity, expansion nasolacrimal duct position goalpost,
Mitigate absent-mindedness adhesion organization, improve the stopping state at nasolacrimal duct position, and tempers the function of lacrimal passage sphincter, it is easy to operate, just
Victory can more preferably improve the excessive tear state of patient, improve a kind of three chambers, the two capsule Lacrimal passage of adjustable expansion of patients ' life quality
Pipe.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion, which is characterized in that three chambers
Two capsule Lacrimal passage tubes include side pipe, the main support conduit of lacrimal passage, threading tunnel, expandable balloon, inner and outer pipes tight junctions, can expand
It opens goalpost, sacculus water filling tubule, goalpost gas injection tubule, goalpost air injection pipe and fixes loop；The side pipe is set to what lacrimal passage support was led
Top；The threading tunnel is set to above the main support conduit internal layer of lacrimal passage, is in hollow structure；The expandable balloon is set to
It threads the lower section in tunnel and is surrounded on the main support conduit of lacrimal passage；The expansible goalpost is surrounded under lacrimal passage support conduit
Section；The inner and outer pipes tight junctions are set between expandable balloon and expansible goalpost and are connected respectively with the two up and down
It connects；The sacculus water filling tubule is integrated close connection with the main support conduit side of lacrimal passage, and upper opening is located at expansible ball
Capsule middle position, lower end are placed in outside the main support conduit of lacrimal passage；The goalpost gas injection tubule and the main support conduit other side of lacrimal passage
It is integrated close connection, upper opening is located at expansible goalpost middle position, and lower end is equally placed in outside the main support conduit of lacrimal passage；Institute
The sacculus water filling tubule stated is equipped with butyl rubber bung with goalpost gas injection tubule end；The goalpost air injection pipe is fixed loop and is set to
Goalpost water filling tubule latter end.
As a kind of perferred technical scheme, the sacculus water filling tubule, goalpost water filling tubule bore are
0.35mm, tube wall are 0.05mm thickness, and the butyl rubber bung thickness is 0.5mm, length 5mm.
As a kind of perferred technical scheme, the main gas tubule of the goalpost fixes a diameter of 0.5mm of loop tube wall, and internal diameter is
0.45mm, fixed loop central medial wall is gear structure.
As a kind of perferred technical scheme, the side pipe is rubber tube, is in oblique lower structure, and front end is openning shape,
There is certain angle between end and lacrimal passage main stay tube road.
As a kind of perferred technical scheme, the main support catheter tip of the lacrimal passage is in oblate shape.
As a kind of perferred technical scheme, the Lacrimal passage tube is integrally made of medical grade rubber, and removes expansible ball
Capsule and expansible goalpost elasticity are high outer, and the expansivity of remaining position rubber is relatively low.
The invention has the advantages that：
1, lachrymal sac position balloon dilation is made by water filling, patient's lachrymal sac size is calculated according to CT dacryocystographies, according to
Calculate gained lachrymal sac volume size personalization and squeeze into physiological saline so that sacculus is stably fixed on lachrymal sac position, reduction set pipe with
Patient's lachrymal sac size mismatches and the possibility that falls off.
2, inflated into expansible goalpost by goalpost gas injection tracheae, can regular activity, expansion nasolacrimal duct position ball
Column, mitigates, loosen adhesion organization, improves the stopping state at nasolacrimal duct tear stains position, while can temper including for valve in nasolacrimal duct
About flesh excites the potential function of lacrimal passage smooth muscle, does not easily cause the tissue edema of lacrimal passage, can reinforce the blood supply of lacrimal passage.
3, end closure is butyl rubber bung under sacculus water filling tubule and goalpost gas injection tubule, has good airtight, water
Close property while ensureing that global capsule, goalpost stablize expansion, can facilitate patient to inflate by goalpost gas injection tubule for daily 1~2 time swollen
Swollen expansible goalpost reduces long-term immobilization and leads to inflammation, the risk of adhesion to movable nasolacrimal duct.
4, the goalpost air injection pipe that goalpost gas injection tubule lower end is connected with fixes loop, can after the daily gas injection expansion of patient
Tubule is fixed loop fold back using goalpost air injection pipe to be fixed in lacrimal passage main stay tube road, to reduce movable tubule band in nasal cavity
The foreign body sensation come, improves the comfort level of patient.
5, Lacrimal passage tube of the invention simulates the structure of lacrimal passage, including lacrimal point, lachrymal sac, nasolacrimal duct, to preferably rise
To the effect for adjusting expansion and the contracting lacrimal passage that relaxes.
Description of the drawings
Attached drawing 1 is a kind of overall structure of three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion of the present invention
Schematic diagram.
Attached drawing 2 is the front view of sacculus water filling tubule of the present invention, goalpost water filling tubule.
Attached drawing 3 is that the goalpost gas injection tubule of the present invention fixes loop structural schematic diagram.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to specific implementation mode provided by the invention.
Reference numeral and component part involved in attached drawing is as follows：
1. the main support conduit of 2. lacrimal passage of side pipe
3. threading 4. expandable balloon of tunnel
5. 6. expansible goalpost of inner and outer pipes tight junctions
7. 8. goalpost water filling tubule of sacculus water filling tubule
9. the main tracheae of goalpost fixes 10. butyl rubber bung of loop
Embodiment 1
Attached drawing 1 is please referred to, Fig. 1 is a kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion of the present invention
General structure schematic diagram.A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion, three chambers two
Capsule Lacrimal passage tube include side pipe 1, the main support conduit 2 of lacrimal passage, threading tunnel 3, expandable balloon 4, inner and outer pipes tight junctions 5,
Expansible goalpost 6, sacculus water filling tubule 7, goalpost gas injection tubule 8, goalpost air injection pipe fix loop 9；The side pipe 1 is set to lacrimal passage
It is 8mm~15mm, a diameter of 1mm to support the top of conduit 2, length；The lacrimal passage supports 2 a diameter of 2mm of conduit, total length
For 50mm~60mm；The threading tunnel 3 is set to above main 2 internal layer of support conduit of lacrimal passage, is in hollow structure, a diameter of 1mm；
The expandable balloon 4 is set to the lower section in threading tunnel 3 and is surrounded on the main support conduit of lacrimal passage 2；The expandable balloon 4
Length is 15mm~20mm, can 10-50 times of lateral expansion expansion；6 length of expansible goalpost is 13mm~23mm, is surround
The hypomere of conduit 2, inflatable 10~50 times of the expansion of outer diameter are supported in lacrimal passage；The inner and outer pipes tight junctions 5, which are set to, to be expanded
It opens between sacculus 4 and expansible goalpost 6 and is connected respectively with the two up and down；The sacculus water filling tubule 7 and the main branch of lacrimal passage
2 side of support conduit is integrated close connection, and upper opening is located at 4 middle position of expandable balloon, and lower end is slightly longer than the main branch of lacrimal passage
Support conduit 2 is 10mm~15mm；The goalpost gas injection tubule 8 is integrated close connection with main 2 other side of support conduit of lacrimal passage,
Upper opening is located at 6 middle position of expansible goalpost, and length lacrimal passage main support conduit 2 in lower end is 30mm~40mm；The ball
Column air injection pipe fixes loop 9 and is set to 8 end of goalpost water filling tubule；
Please refer to attached drawing 2, Fig. 2 is the front view of sacculus water filling tubule of the present invention, goalpost water filling tubule.The sacculus note
Water tubule 7,8 bore of goalpost water filling tubule are 0.35mm, and tube wall is 0.05mm thickness, and pipeline lower section inlet is close
The thickness of connection is 0.5mm, and butyl rubber bung that length is 5mm (has good inherent cleanliness factor, chemical stability, airtight
Property), water or air expansion sacculus or goalpost can be injected into tubule by the 0.2mm syringes of 27G daily；
Attached drawing 3 is please referred to, Fig. 3 is that the goalpost gas injection tubule of the present invention fixes loop structural schematic diagram.The main gas of the goalpost
Tubule fixes 9 tube wall of loop a diameter of 0.5mm, internal diameter 0.45mm, and fixed loop central medial wall is gear structure, has larger rub
Power is wiped, fixed goalpost gas injection tubule 8 can be stablized, 8 movable end of goalpost water filling tubule is turned back to be fixed by fixed loop, and movable end is solid
Due in main 2 pipe of support conduit of lacrimal passage.
It should be noted that：The side pipe 1 is rubber tube, is in oblique lower structure, front end is openning shape, end and lacrimal passage
There is certain angle, after being placed in lacrimal passage convenient for the main support conduit 2 of lacrimal passage, side pipe 1 can be placed in lacrimal between main stay tube road 2
In, to which the tear of eyes secretion can enter lacrimal passage main stay tube road by side pipe, play the role of draining tear；Described
The main 2 main part rubber tube of support conduit of lacrimal passage is harder, and expanse is poor, and main 2 top of support conduit of lacrimal passage is in oblate shape,
Convenient for the merging and taking-up in lacrimal passage main stay tube road 2；The threading tunnel 3 is penetrated for draught line, in draught line
Under the action of lacrimal passage main stay tube road 2 is incorporated into lacrimal passage suitable position；The main support conduit 2 of the lacrimal passage is placed in patient's lacrimal passage
Before, patient's lachrymal sac size is calculated according to CT dacryocystographies, passes through sacculus water filling according to calculating gained lachrymal sac volume size in art
Tubule 7 is personalized to squeeze into physiological saline into expandable balloon 4 so that sacculus is stably fixed on patient's lachrymal sac position, avoids setting
The case where pipe is mismatched with patient's lachrymal sac size and is fallen off；Described is beaten by goalpost gas injection tracheae 8 into expansible goalpost 6
Gas, can regular activity, expansion nasolacrimal duct position goalpost, mitigate, loosen adhesion organization, improve the stifled of nasolacrimal duct tear stains position
Situation is filled in, while the sphincter of valve in nasolacrimal duct can be tempered, the potential function of lacrimal passage smooth muscle is excited, does not easily cause lacrimal passage
Tissue edema can reinforce the blood supply of lacrimal passage；The sacculus water filling tubule 7 and goalpost gas injection 8 times end closures of tubule are fourth
Base rubber stopper has good airtight, watertightness, while ensureing that global capsule, goalpost stablize expansion, can facilitate patient daily 1
~2 times the expansible goalpost of expansion 6 is inflated to movable nasolacrimal duct by goalpost gas injection tubule, reduces long-term immobilization and lead to inflammation
Disease, adhesion risk；The goalpost air injection pipe that 8 lower end of goalpost gas injection tubule is connected with fixes loop 9, the daily gas injection of patient
Can tubule be fixed 9 fold back of loop using goalpost air injection pipe after expansion to be fixed in lacrimal passage main stay tube road 2, to reduce nose
The foreign body sensation that movable tubule is brought in chamber, improves the comfort level of patient；The Lacrimal passage tube of the present invention simulates lacrimal passage
Structure, including lacrimal point, lachrymal sac, nasolacrimal duct, to preferably play the role of adjusting expansion and the contracting lacrimal passage that relaxes；
The entire holder is made of medical grade rubber, and medical grade rubber biocompatibility is preferable, non-stimulated to tissue
Property, it is non-toxic and tasteless, few without allergic reaction, body rejection, and have good physical and chemical stability, with body fluid and tissue
Its original elasticity and pliability can be kept in contact process, are not degraded, are a kind of inert substances of quite stable, while energy
High temperature resistant can sterilize, and machine-shaping is convenient, and easy processing carves shape, easy to use；Medical grade rubber has reversible deformation simultaneously,
High resiliency feature, these features make rubber catheter that can occur bending and deformation when coming in and going out, as catheter, drainage tube, two-chamber
Pressure-measuring pipe etc. is not easy to cause mechanical damage to tissue, while using the high resiliency feature of rubber, by expandable balloon 4 and expansible
The elasticity of goalpost 6 increases, convenient for injection water or air expansion lacrimal passage；Lacrimal passage tube in the present invention removes expansible ball
Capsule 4 and 6 elasticity of expansible goalpost are high outer, and the expansivity of remaining position rubber is relatively low.
Three chambers, the two capsule Lacrimal passage tube holder implementation of the present invention：It sets and penetrates draught line by threading in tunnel 3 before pipe,
According to CT dacryocystography technologies, using draught line by the main drawing of support conduit 2 of lacrimal passage to lacrimal passage suitable position, while trouble is calculated
Person's lachrymal sac size, the lachrymal sac size obtained according to side in art squeeze into certain volume by sacculus water filling tubule 7 into expandable balloon 4
Sterilized water for injection, the main support conduit 2 of fixed lacrimal passage extract draught line out, while patient passes through goalpost daily after setting pipe fixation
Gas injection tracheae 8 injects air into expansible goalpost 6, expands lacrimal passage, and when tube drawing first releases in expandable balloon 4 after liquid slowly
Extraction.
Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of a kind of expansible adjusting of the present invention, by water filling so that tear
Capsule position balloon dilation calculates patient's lachrymal sac size according to CT dacryocystographies, according to calculating gained lachrymal sac volume size individual character
Physiological saline is squeezed into change so that sacculus is stably fixed on lachrymal sac position, and reduction sets pipe and mismatches and fall off with patient's lachrymal sac size
Possibility；Inflated into expansible goalpost by goalpost gas injection tracheae, can regular activity, expansion nasolacrimal duct position goalpost,
Mitigate, loosen adhesion organization, improve the stopping state at nasolacrimal duct tear stains position, while including about for valve in nasolacrimal duct can be tempered
Flesh excites the potential function of lacrimal passage smooth muscle, does not easily cause the tissue edema of lacrimal passage, can reinforce the blood supply of lacrimal passage；Sacculus is noted
Water tubule is butyl rubber bung with end closure under goalpost gas injection tubule, with good airtight, watertightness, the global capsule of guarantee,
While goalpost stablizes expansion, can facilitate daily 1~2 time of patient by goalpost gas injection tubule inflate the expansible goalpost of expansion to
Movable nasolacrimal duct reduces long-term immobilization and leads to inflammation, the risk of adhesion；The goalpost that goalpost gas injection tubule lower end is connected with
Air injection pipe fixes loop, and can tubule be fixed loop fold back using goalpost air injection pipe after the daily gas injection expansion of patient is fixed on lacrimal passage
In main stay tube road, to reduce the foreign body sensation that movable tubule is brought in nasal cavity, the comfort level of patient is improved；The lacrimal passage of the present invention
The structure that pipe simulates lacrimal passage, including lacrimal point, lachrymal sac, nasolacrimal duct are set, expansion is adjusted and the contracting lacrimal passage that relaxes to preferably play
Effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for 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 (6)
1. a kind of three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion, which is characterized in that three chambers two
Capsule Lacrimal passage tube includes side pipe, the main support conduit of lacrimal passage, threading tunnel, expandable balloon, inner and outer pipes tight junctions, expansible
Goalpost, sacculus water filling tubule, goalpost gas injection tubule, goalpost air injection pipe fix loop；The side pipe is set to lacrimal passage and supports the top led
End；The threading tunnel is set to above the main support conduit internal layer of lacrimal passage, is in hollow structure；The expandable balloon is set to and wears
The lower section in threaded list road is simultaneously surrounded on the main support conduit of lacrimal passage；The expansible goalpost is surrounded on the hypomere of lacrimal passage support conduit；
The inner and outer pipes tight junctions are set between expandable balloon and expansible goalpost and are connected respectively with the two up and down；Institute
The sacculus water filling tubule stated is integrated close connection with the main support conduit side of lacrimal passage, and upper opening is located at expandable balloon center
Position, lower end are placed in outside the main support conduit of lacrimal passage；The goalpost gas injection tubule is integrated with the main support conduit other side of lacrimal passage
Close connection, upper opening are located at expansible goalpost middle position, and lower end is equally placed in outside the main support conduit of lacrimal passage；The ball
Capsule water filling tubule is equipped with butyl rubber bung with goalpost gas injection tubule end；The goalpost air injection pipe is fixed loop and is noted set on goalpost
Water tubule latter end.
2. three chambers, two capsule Lacrimal passage tube according to claim 1, which is characterized in that the sacculus water filling tubule, goalpost
Water filling tubule bore is 0.35mm, and tube wall is 0.05mm thickness, and the butyl rubber bung thickness is 0.5mm, and length is
5mm。
3. three chambers, two capsule Lacrimal passage tube according to claim 1, which is characterized in that the main gas tubule of the goalpost fixes loop
Tube wall a diameter of 0.5mm, internal diameter 0.45mm, fixed loop central medial wall is gear structure.
4. three chambers, two capsule Lacrimal passage tube according to claim 1, which is characterized in that the side pipe is rubber tube, in oblique
To lower structure, front end is openning shape, has certain angle between end and lacrimal passage main stay tube road.
5. three chambers, two capsule Lacrimal passage tube according to claim 1, which is characterized in that the main support catheter tip of the lacrimal passage
In oblate shape.
6. three chambers, two capsule Lacrimal passage tube according to claim 1, which is characterized in that the Lacrimal passage tube is whole by medical
Rubber is made, and in addition to expandable balloon and expansible goalpost elasticity are high, the expansivity of remaining position rubber is relatively low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939698.1A CN108743018A (en) | 2018-08-17 | 2018-08-17 | A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939698.1A CN108743018A (en) | 2018-08-17 | 2018-08-17 | A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108743018A true CN108743018A (en) | 2018-11-06 |
Family
ID=63967177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810939698.1A Pending CN108743018A (en) | 2018-08-17 | 2018-08-17 | A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
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| CN (1) | CN108743018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111449834A (en) * | 2020-04-15 | 2020-07-28 | 贵州省人民医院 | Lacrimal passage drainage device for lacrimal duct embolism and drainage method thereof |
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| CN202637197U (en) * | 2012-05-07 | 2013-01-02 | 同济大学 | Adjustable support with auxiliary lacrimal passage diastolic and contractive function |
| CN104888338A (en) * | 2015-06-05 | 2015-09-09 | 天津源康龙科技有限公司 | Balloon dilating catheter for benign prostatic hyperplasia |
| CN107184295A (en) * | 2017-07-19 | 2017-09-22 | 上海市同济医院 | Adjustable lacrimal stent |
| CN208926788U (en) * | 2018-08-17 | 2019-06-04 | 上海市同济医院 | Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
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2018
- 2018-08-17 CN CN201810939698.1A patent/CN108743018A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202637197U (en) * | 2012-05-07 | 2013-01-02 | 同济大学 | Adjustable support with auxiliary lacrimal passage diastolic and contractive function |
| CN104888338A (en) * | 2015-06-05 | 2015-09-09 | 天津源康龙科技有限公司 | Balloon dilating catheter for benign prostatic hyperplasia |
| CN107184295A (en) * | 2017-07-19 | 2017-09-22 | 上海市同济医院 | Adjustable lacrimal stent |
| CN208926788U (en) * | 2018-08-17 | 2019-06-04 | 上海市同济医院 | Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111449834A (en) * | 2020-04-15 | 2020-07-28 | 贵州省人民医院 | Lacrimal passage drainage device for lacrimal duct embolism and drainage method thereof |
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