CN208926788U - Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion - Google Patents
Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion Download PDFInfo
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- CN208926788U CN208926788U CN201821330381.XU CN201821330381U CN208926788U CN 208926788 U CN208926788 U CN 208926788U CN 201821330381 U CN201821330381 U CN 201821330381U CN 208926788 U CN208926788 U CN 208926788U
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- lacrimal passage
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Abstract
The utility model 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, the fixed loop of goalpost air injection pipe；The expandable balloon is surrounded on the main support conduit upper section of lacrimal passage；The expansible goalpost is surrounded on the lower section of lacrimal passage support conduit；The inner and outer pipes tight junctions are set between expandable balloon and expansible goalpost.Its advantage is shown: can adjust lachrymal sac position Balloon size according to patient's lachrymal sac size personalization, stablize Lacrimal passage tube, it prevents from falling off, simultaneously can regular activity, expand 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 utility model relates to clinical ophthalmology treatment technology fields, specifically, being a kind of adjustable expansion for tear
Three chambers, the two capsule Lacrimal passage tube of road obstruction.
Background technique
Lacrimal passage includes upper and lower puncta, upper lower lacrimal canaliculi, tear general pipeline, 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 general pipeline) 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.
Lacrimal passage silicone tube indwelling is often used to treat for lacrimal duct abstruction at present.But current clinically common silica gel indwelling tube 1. is not
It is adjustable size, patient's lachrymal sac size is variant, and bracket 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 as follows: 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 greater 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 general pipeline, nasolacrimal duct play the role of whole support dilating drainage.But the diameter that the lacrimal stent is nasolacrimal duct tube body is greater than tear
The diameter of tubule tube body can not play the role of contraction and diastole lacrimal passage, and bracket easily generates adhesion with tissue.The bracket 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 utility model using lactic acid and dihydric alcohol or lactic acid, glycolic and caprolactone as the direct copolycondensation method of monomer or with
The polymerization of the lower molecular wt of lactide and dihydric alcohol or lactide, glycolide and caprolactone ring-opening polymerisation method synthesized degradable
Object, chain extension add nanosized SiO_2, and melt blending, which squeezes out, is made degradable nano composite material, extrusion molding, and obtained internal diameter is
0.4~0.6mm, outer diameter are 0.8~1.2mm, and length is that 55~65mm cylindrical tube will manage more than glass transition temperature
Being stretched to internal diameter is 0.2~0.4mm, and outer diameter is 0.5~0.9mm, and length is 75~85mm elongated tubular, and cooling saves to get institute
Need 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
Degree, deformation recovery, diameter is thicker, keeps lacrimal stent not easily to fall off, and character is in soft rubber-like, patient comfort.But
It is that the invention controls the thickness of lacrimal stent by temperature, tends to be that the thickness of lacrimal stent will no longer change when body temperature,
It 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 as follows: 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, is connected to locating bar 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 greater than lacrimal tube body diameter, can not play contraction and
The effect of diastole lacrimal passage, and bracket easily generates adhesion with tissue.
In conclusion lachrymal sac position Balloon size can be adjusted according to patient's lachrymal sac size personalization by needing one kind, stablize tear
Pipe is set in road, prevents from falling off, at the same can regular activity, expand 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.
Summary of the invention
The purpose of this utility model is that aiming at the shortcomings in the prior art, providing one kind can be according to patient's lachrymal sac size individual character
Change and adjust lachrymal sac position Balloon size, stablize Lacrimal passage tube, prevent from falling off, while can regular activity, expansion nasolacrimal duct position
Goalpost mitigates absent-mindedness adhesion organization, improves the stopping state at nasolacrimal duct position, and tempers the function of lacrimal passage sphincter, operation letter
It is single, convenient, it can more preferably improve the excessive tear state of patient, improve a kind of three chambers, the two capsule tear of adjustable expansion of patients ' life quality
Set pipe in road.
To achieve the above object, the technical scheme adopted by the utility model 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
Open goalpost, sacculus water filling tubule, goalpost gas injection tubule, the fixed loop of goalpost air injection pipe；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 and the main support conduit side of lacrimal passage are integrated close connection, and upper opening is located at expansible ball
Capsule central location, 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 central location, and lower end is equally placed in outside the main support conduit of lacrimal passage；Institute
The sacculus water filling tubule stated and goalpost gas injection tubule end are equipped with butyl rubber bung；The fixed loop of the goalpost air injection pipe is set to
Goalpost fills the water tubule latter end.
As a kind of perferred technical scheme, the side pipe length is 8mm~15mm, diameter 1mm, the threading
Tunnel diameter is 1mm, the expandable balloon length be 15mm~20mm, can lateral expansion expand 10-50 times, described can
Expansion goalpost length is 13mm~23mm, and inflatable 10~50 times of the expansion of outer diameter, the sacculus water filling tubule lower end is longer than tear
The main support conduit in road is 30mm~40mm, described goalpost water filling tubule lower end be longer than the main support conduit of lacrimal passage for 30mm~
40mm。
As a kind of perferred technical scheme, sacculus water filling tubule, goalpost water filling tubule bore are
0.35mm, tube wall are 0.05mm thickness, and the butyl rubber bung is with a thickness of 0.5mm, length 5mm.
As a kind of perferred technical scheme, the fixed loop tube wall diameter of the main gas tubule of the goalpost is 0.5mm, and internal diameter is
0.45mm, fixed loop central medial wall are gear structure.
As a kind of perferred technical scheme, the side pipe is rubber tube, is in oblique flowering 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 lower.
The utility model advantage is:
1, by water filling so that lachrymal sac position balloon dilation, calculates patient's lachrymal sac size according to CT dacryocystography, 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 by goalpost gas injection tracheae into expansible goalpost, can regular activity, expand 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, it is butyl rubber bung that sacculus, which fills the water end closure under tubule and goalpost gas injection tubule, has good airtight, water
Close property, while guaranteeing that global capsule, goalpost stablize expansion, can facilitate inflated by goalpost gas injection tubule for patient daily 1~2 time it is swollen
Swollen expansible goalpost reduces long-term immobilization and leads to inflammation, the risk of adhesion to movable nasolacrimal duct.
4, the fixed loop of the goalpost air injection pipe that goalpost gas injection tubule lower end is connected with, can after the daily gas injection expansion of patient
Tubule is fixed in lacrimal passage main stay tube road using the fixed loop fold back of goalpost air injection pipe, to reduce movable tubule band in nasal cavity
The foreign body sensation come, improves the comfort level of patient.
5, the Lacrimal passage tube of the utility model simulates the structure of lacrimal passage, including lacrimal point, lachrymal sac, nasolacrimal duct, thus more preferably
Play the role of adjusting expansion and the contracting lacrimal passage that relaxes in ground.
Detailed description of the invention
Attached drawing 1 is a kind of totality of three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion of the utility model
Structural schematic diagram.
Attached drawing 2 is the front view of the utility model sacculus water filling tubule, goalpost water filling tubule.
Attached drawing 3 is the fixed loop structural schematic diagram of goalpost gas injection tubule of the utility model.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment provided by the utility model.
Appended drawing reference involved in attached drawing and component part are as follows:
1. the main support conduit of 2. lacrimal passage of side pipe
3. threading 4. expandable balloon of tunnel
5. the expansible goalpost of inner and outer pipes tight junctions 6.
7. sacculus fills the water 8. goalpost of tubule and fills the water tubule
9. fixed 10. butyl rubber bung of loop of the main tracheae of goalpost
Embodiment 1
Attached drawing 1 is please referred to, Fig. 1 is a kind of three chambers, the two capsule lacrimal passage for obstruction of lacrimal passage of adjustable expansion of the utility model
Set the general structure schematic diagram of pipe.A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion, described three
Two capsule Lacrimal passage tube of chamber includes that side pipe 1, the main support conduit 2 of lacrimal passage, threading tunnel 3, expandable balloon 4, inner and outer pipes closely connect
Place 5, expansible goalpost 6, sacculus water filling tubule 7, goalpost gas injection tubule 8, the fixed loop 9 of goalpost air injection pipe；The side pipe 1 is set to
Lacrimal passage supports the top of conduit 2, and length is 8mm~15mm, diameter 1mm；Lacrimal passage support 2 diameter of conduit is 2mm, always
Length is 50mm~60mm；The threading tunnel 3 is set to above main 2 internal layer of support conduit of lacrimal passage, is in hollow structure, and diameter is
1mm；The expandable balloon 4 is set to the lower section in threading tunnel 3 and is surrounded on the main support conduit 2 of lacrimal passage；Described is expansible
4 length of sacculus is 15mm~20mm, can 10-50 times of lateral expansion expansion；6 length of expansible goalpost be 13mm~
23mm is surrounded on the lower section of lacrimal passage support conduit 2, inflatable 10~50 times of the expansion of outer diameter；The inner and outer pipes tight junctions 5
It is connected respectively with the two between expandable balloon 4 and expansible goalpost 6 and up and down；The described sacculus water filling tubule 7 with
Main 2 side of support conduit of lacrimal passage is integrated close connection, and upper opening is located at 4 central location of expandable balloon, and lower end is slightly longer than
The main support conduit 2 of lacrimal passage is 10mm~15mm；The goalpost gas injection tubule 8 is integrated with main 2 other side of support conduit of lacrimal passage
Close connection, upper opening are located at expansible 6 central location of goalpost, and length lacrimal passage main support conduit 2 in lower end is 30mm~40mm；
The fixed loop 9 of the goalpost air injection pipe is set to goalpost and fills the water 8 end of tubule；
Attached drawing 2 is please referred to, Fig. 2 is the front view of the utility model sacculus water filling tubule, goalpost water filling tubule.The ball
Capsule water filling tubule 7, goalpost water filling 8 bore of tubule are 0.35mm, and tube wall is 0.05mm thickness, and inlet is below pipeline
The close-connected butyl rubber bung that with a thickness of 0.5mm, length is 5mm (have good inherent cleanliness, chemical stability,
Air-tightness), water or air expansion sacculus or goalpost can be injected into tubule by the 0.2mm syringe of 27G daily；
Attached drawing 3 is please referred to, Fig. 3 is the fixed loop structural schematic diagram of goalpost gas injection tubule of the utility model.The goalpost
The fixed 9 tube wall diameter of loop of main gas tubule is 0.5mm, internal diameter 0.45mm, and fixed loop central medial wall is gear structure, have compared with
Big frictional force can stablize fixed goalpost gas injection tubule 8, and goalpost water filling 8 movable end of tubule is turned back to be fixed by fixed loop, activity
End is fixed in main 2 pipe of support conduit of lacrimal passage.
It should be understood that the side pipe 1 is rubber tube, it is in oblique flowering 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, so that 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, thus 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 dacryocystography, sacculus is passed through according to calculating gained lachrymal sac volume size in art and is filled the water
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, expand the goalpost at nasolacrimal duct position, 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 the lower end closure of goalpost gas injection tubule 8 are fourth
Base rubber stopper has good airtight, watertightness, while guaranteeing 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 fixed loop 9 of the goalpost air injection pipe that 8 lower end of goalpost gas injection tubule is connected with, the daily gas injection of patient
Tubule can be fixed in lacrimal passage main stay tube road 2 using fixed 9 fold back of loop of goalpost air injection pipe after expansion, to reduce nose
Movable tubule bring foreign body sensation, improves the comfort level of patient in chamber；The Lacrimal passage tube of described the utility model simulates tear
The structure in road, including lacrimal point, lachrymal sac, nasolacrimal duct, to better play the effect for adjusting expansion and the contracting lacrimal passage that relaxes；
The entire bracket 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
It is able to maintain its original elasticity and pliability in contact process, is not degraded, is a kind of quite stable inert substance, 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 entering and leaving, as catheter, drainage tube, two-chamber
Pressure-measuring pipe etc. is not easy to cause tissue mechanical damage, 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 described the utility model removes and can expand
It opens sacculus 4 and 6 elasticity of expansible goalpost is high outer, the expansivity of remaining position rubber is lower.
Three chambers, the two capsule Lacrimal passage tube bracket implementation method of the utility model: it is led before setting pipe by being penetrated in threading tunnel 3
Lead is counted the main drawing of support conduit 2 of lacrimal passage to lacrimal passage suitable position using draught line according to CT dacryocystography technology simultaneously
Patient's lachrymal sac size is calculated, the lachrymal sac size obtained in art according to side fills the water tubule 7 by sacculus and squeezes into one into expandable balloon 4
Determine volume sterilized water for injection, the fixation main support conduit 2 of lacrimal passage extracts draught line out, while patient is led to daily after setting pipe fixation
It crosses goalpost gas injection tracheae 8 and injects air into expansible goalpost 6, expand lacrimal passage, when tube drawing first releases liquid in expandable balloon 4
It slowly extracts afterwards.
A kind of three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of expansible adjusting of the utility model is made by water filling
Lachrymal sac position balloon dilation is obtained, patient's lachrymal sac size is calculated according to CT dacryocystography, according to calculating gained lachrymal sac volume size
Physiological saline is squeezed into personalization so that sacculus is stably fixed on lachrymal sac position, pipe is set in reduction and patient's lachrymal sac size mismatches and
The possibility to fall off；Inflated by goalpost gas injection tracheae into expansible goalpost, can regular activity, expand 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；Sacculus
Filling the water end closure under tubule and goalpost gas injection tubule is butyl rubber bung, has good airtight, watertightness, guarantees the whole world
While capsule, goalpost stablize expansion, daily 1~2 time of patient can be facilitated to inflate by goalpost gas injection tubule and expand expansible goalpost
To movable nasolacrimal duct, reduces long-term immobilization and lead to inflammation, the risk of adhesion；Goalpost gas injection tubule lower end is connected with
Goalpost air injection pipe fixes loop, can be fixed on tubule using the fixed loop fold back of goalpost air injection pipe after the daily gas injection expansion of patient
In lacrimal passage main stay tube road, to reduce movable tubule bring foreign body sensation in nasal cavity, the comfort level of patient is improved；This is practical new
The Lacrimal passage tube of type simulates the structure of lacrimal passage, including lacrimal point, lachrymal sac, nasolacrimal duct, to better play adjusting expansion and relax
The effect of contracting lacrimal passage.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvement and supplement under the premise of not departing from the utility model method, these are improved and supplement
Also it should be regarded as the protection scope of the utility model.
Claims (7)
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, the fixed loop of goalpost air injection pipe；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 lower section 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 and the main support conduit side of lacrimal passage are integrated close connection, 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 central location, and lower end is equally placed in outside the main support conduit of lacrimal passage；The ball
Capsule water filling tubule and goalpost gas injection tubule end are equipped with butyl rubber bung；The fixed loop of the goalpost air injection pipe is infused 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 side pipe length be 8mm~
15mm, diameter 1mm, the threading tunnel diameter are 1mm, and the expandable balloon length is 15mm~20mm, can be horizontal
To 10-50 times of expanse, the expansible goalpost length is 13mm~23mm, inflatable 10~50 times of the expansion of outer diameter, institute
It is 30mm~40mm that the sacculus water filling tubule lower end stated, which is longer than the main support conduit of lacrimal passage, and the goalpost water filling tubule lower end is longer than
The main support conduit of lacrimal passage is 30mm~40mm.
3. three chambers, two capsule Lacrimal passage tube according to claim 1, which is characterized in that the sacculus fills the water tubule, goalpost
Water filling tubule bore is 0.35mm, and tube wall is 0.05mm thickness, and with a thickness of 0.5mm, length is the butyl rubber bung
5mm。
4. three chambers, two capsule Lacrimal passage tube according to claim 1, which is characterized in that the fixed loop of the main gas tubule of the goalpost
Tube wall diameter is 0.5mm, internal diameter 0.45mm, and fixed loop central medial wall is gear structure.
5. 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 flowering structure, front end is openning shape, has certain angle between end and lacrimal passage main stay tube road.
6. 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.
7. 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 lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821330381.XU CN208926788U (en) | 2018-08-17 | 2018-08-17 | Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821330381.XU CN208926788U (en) | 2018-08-17 | 2018-08-17 | Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
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| Publication Number | Publication Date |
|---|---|
| CN208926788U true CN208926788U (en) | 2019-06-04 |
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ID=66718017
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|---|---|---|---|
| CN201821330381.XU Active CN208926788U (en) | 2018-08-17 | 2018-08-17 | Three chambers, the two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
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| CN (1) | CN208926788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108743018A (en) * | 2018-08-17 | 2018-11-06 | 上海市同济医院 | A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
| 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 |
-
2018
- 2018-08-17 CN CN201821330381.XU patent/CN208926788U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108743018A (en) * | 2018-08-17 | 2018-11-06 | 上海市同济医院 | A kind of three chambers, two capsule Lacrimal passage tube for obstruction of lacrimal passage of adjustable expansion |
| 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 |
| CN111449834B (en) * | 2020-04-15 | 2022-03-01 | 贵州省人民医院 | Lacrimal passage drainage device for lacrimal duct embolism and drainage method thereof |
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