CN106166324A - A kind of biocompatibility dilator - Google Patents
A kind of biocompatibility dilator Download PDFInfo
- Publication number
- CN106166324A CN106166324A CN201610482800.0A CN201610482800A CN106166324A CN 106166324 A CN106166324 A CN 106166324A CN 201610482800 A CN201610482800 A CN 201610482800A CN 106166324 A CN106166324 A CN 106166324A
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- main pipe
- dilator
- biocompatibility
- chamber
- dilatation balloon
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- 238000002347 injection Methods 0.000 claims abstract description 56
- 239000007924 injection Substances 0.000 claims abstract description 56
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 3
- 239000002775 capsule Substances 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 36
- 238000011010 flushing procedure Methods 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 4
- 239000000560 biocompatible material Substances 0.000 abstract description 2
- 210000002307 prostate Anatomy 0.000 description 12
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 11
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 206010004446 Benign prostatic hyperplasia Diseases 0.000 description 5
- 208000004403 Prostatic Hyperplasia Diseases 0.000 description 5
- 239000000546 pharmaceutical excipient Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 239000004816 latex Substances 0.000 description 4
- 229920000126 latex Polymers 0.000 description 4
- 210000003708 urethra Anatomy 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 238000002651 drug therapy Methods 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010020880 Hypertrophy Diseases 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
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- 235000008216 herbs Nutrition 0.000 description 2
- 238000012153 long-term therapy Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000027939 micturition Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 206010048994 Bladder spasm Diseases 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000000680 avirulence Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007368 endocrine function Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000000762 glandular Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 230000002390 hyperplastic effect Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 206010029446 nocturia Diseases 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011471 prostatectomy Methods 0.000 description 1
- 201000007094 prostatitis Diseases 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 230000036299 sexual function Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
- 201000002327 urinary tract obstruction Diseases 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
-
- 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
- A61M25/1011—Multiple balloon catheters
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Child & Adolescent Psychology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of biocompatibility dilator, including at least one fluid injection chamber of a transparent main pipe, at least one dilatation balloon and front end Yu a dilatation balloon inner space；Main pipe front end is the blunt round portion offering leakage fluid dram；Dilatation balloon is the transparent high-pressure-resistant membrane sacculus that TPU material is made, and is cylindricality or fusiformis or elliposoidal under expanded state.The dilator of the present invention uses TPU biocompatible materials to make, and combines the shape of dilatation balloon and receive folded design, at utmost reduces the damage to patient.This product entire body is transparent, is suitable for being aided with endoscope and positions.By arranging multiple chamber at supervisor's body wall, not only realize fluid injection, the function rinsed, position, and ensure that integraty and the aesthetics of product.
Description
Technical field
The present invention relates to medical apparatus and instruments consumptive material field, relate in particular to a kind of biofacies for prostate Dilation
Capacitive dilator.
Background technology
Prostatic hyperplasia becomes the commonly encountered diseases threatening elderly men healthy, and so-called prostatic hyperplasia, mainly due to front
The hypertrophy of row glandular tissue, causes its volume to increase, and then the organ that extruding is around, causes urinary tract to diminish and narrows, thus row occurs
The symptoms such as urine difficulty, nocturia are frequent, urination time extends, vesical tenesmus, do not have effective prevention method to this disease at present.And
The method for the treatment of prostatic hyperplasia has the treatment of Drug therapy, open operation and minimally-invasive treatment.Drug therapy can allow prostate increase
Raw development slows down, and even some medicine can make the prostatic hyperplasia of some patients reverse.But the price of Drug therapy is held high
Expensive, and some patients is to being finally also not fee from operative treatment.Traditional prostatectomy or electrotomy effect determine that,
But performing the operation, it is relatively big to hit patient, and old people's health and poor to the ability to bear performed the operation at heart, a lot of patients are unwilling
Undergo surgery.Whether which kind of mode, is required to the instrument and equipment of costliness, and needs long period training, is skilled in technique
Specialist completes.These conditions make basic hospital be difficult to carry out, and also medical resource can be caused waste, add trouble
Person seeks medical advice cost.
It is by expanding prostata tissue realization at Filled Balloon in the patient, retaining original dirty that prostate expands cleft hand art
Device, wound is the least, and safety coefficient is high.But in operation process, the extruding force of tissue is relatively big, and sacculus is according to even to fill
Could maintain full shape to 3 atmospheric pressure pressure, therefore the performance requirement of sacculus is just seemed particularly by prostate expansion cleft hand art
Important.Existing sacculus all uses latex material to make, and the shape full in order to limit Emulsoid-film, by adding one in latex appearance
Layer tubular non-woven fabrics limits the expansion in centre position.The shortcoming of this sacculus is: thin film thickness, latex and nonwoven cloth material pair
Patient's frictional force is big, easily causes damage；Material is opaque, it is impossible to positioned by Endoscope-assisted；Latex material and main pipe
Between connection insecure, material is easily deformed and ruptures, and forms great potential safety hazard full in the patient.
Summary of the invention
Goal of the invention: it is an object of the invention to provide the biocompatibility dilator of a kind of great security and stability, logical
Cross excipient sacculus membranous urethra and bladder neck are expanded, reach therapeutic effect；And this transparent being applicable to of product entire body peeps
Mirror auxiliary positioning, increases operation reliability.
Technical scheme: for achieving the above object, a kind of biocompatibility dilator of the present invention, including a transparent master
Body, at least one dilatation balloon and front end and at least one fluid injection chamber of a dilatation balloon inner space；Described supervisor
Body front end is the blunt round portion offering leakage fluid dram；Described dilatation balloon is the transparent high-pressure-resistant membrane sacculus that TPU material is made, and is filling
It is full of under state for cylindricality or fusiformis or elliposoidal.
Hyperplastic prostate tissue is just as Semen Persicae, and the narrowest position is at two, determines the degree of mobility of controlled micturition, and can
Position the narrowest for the two can fully be expanded by the sacculus expanded, and makes prostate gland open completely, and gap embeds group around
Knitting, therefore can not bounce back, expansion effect and Long term therapy effect are preferable.Be applicable to by benign prostatic hyperplasia cause obvious
The patient of urinary tract obstruction symptom.For balloon features, the present invention is preferably cylindrical balloon, and the advantage of cylindrical balloon is cylindricality two
End can fully expand, and is effectively expanded at prostate two, and conventional balloon is because of excipient scarce capacity, can only expand prostatic in
Portion, this sacculus expand effect bad, generally require change balloon position and repeatedly expand, operation technique is numerous and diverse, right
Patient causes more pain and damage.But the material of prior art can not realize the excipient of cylindrical balloon, and TPU material is then
Ideally achieve this respect demand.
The present invention uses transparent TPU thin-film material to make dilatation balloon, expands cleft hand art by the full prostate that realizes of water filling.
Although transparent polymer material has much at present, but expand the air pressure requirement of cleft hand art, full demand, bio-compatible based on prostate
Property and human comfort etc., only TPU material is realized well.The full name of TPU material is thermoplastic polyurethane body, this material
Material has outstanding advantages in following performance: plasticity, wearability, transparency, elasticity, mechanical strength, high temperature resistance and antioxidation
Property, resistance to tortuosity, avirulence etc..Therefore it is to expand for prostate to split full ideal material.
The material of described main pipe includes but not limited to that the clear PVC material of medical grade is made, it is desirable to possess certain bullet
Property and moulding, and possess basic biocompatibility.
Dilatation balloon of the present invention is in emptying state before use, and it is shaped as natural shrinking shape.But naturally receive
TPU film shape under Suo is different, may forming part sharp projection, operation intervention procedure in patient bring pain
Bitter.In order to solve this problem, by TPU film being carried out excipient PROCESS FOR TREATMENT in production and processing link so that it is formed to reduce and suffer from
The shape of person's damage.Specifically, described dilatation balloon forms several pleats around main pipe when emptying, and all pleats are all pressed
Stacking be cased with pipe box in outside clockwise or counterclockwise.Sleeve pipe can remove before use, or the water-soluble film system of employing
Become, be directly accessed and untie bound pleat by the water dissolution of uniform temperature the most afterwards.
In order to ensure that sacculus remains full in the case of 4 atmospheric pressure, sacculus and the junction of main pipe just seem outstanding
For important.To this end, described dilatation balloon two ends are bundled in main pipe surface by coiling, coiling periphery is coated with transparent viscose glue
Agent.Coiling uses transparent high-strength wire material to be wound around, adhesive preferred medical grade UV transparent adhesive tape.
The thickness patient comfort to be taken into account of dilatation balloon and safety.Thickness is excessive, and during intervention, balloon portion volume is relatively
Greatly, patient can be allowed to feel pain；Thickness is too small, it is possible to make dilatation balloon rupture when full, as sent out in the patient
Raw rupturing will result in serious consequence.To this end, described dilatation balloon thickness is 0.05-0.2mm, and when thickness 0.05mm,
At least 4 atmospheric pressures do not deform or burst in the case of persistently filling.
The dilator of the present invention includes but not limited to the technical scheme of only one of which sacculus, be distributed before and after two sacculus,
The distribution of mutually nested, left and right, or be distributed before and after plural sacculus, combined nesting, foregoing features disclose basic
Under principle, broadly fall into protection scope of the present invention.But preferably, described dilatation balloon is made up of front capsule and rear capsule, can expand simultaneously
Open membranous urethra and bladder neck.The main pipe of front capsule inner chamber be provided with at least one before liquid injection port connecting with the first fluid injection chamber；
The main pipe of rear capsule inner chamber is provided with at least one rear liquid injection port and connects with the second fluid injection chamber.
Further, described first fluid injection chamber and the second fluid injection chamber are formed in main pipe's sidewall, and from main pipe rear portion
Extend out and form the first liquid injection pipe and the second liquid injection pipe.First liquid injection pipe and the second liquid injection pipe free-end are respectively provided with
The joint of injection.
Described front liquid injection port is 1～4, wherein have a front liquid injection port be located at capsule part before main pipe front end or after
End；Described rear liquid injection port is 1～4, the front end of capsule part or rear end after after wherein having one, liquid injection port is located at main pipe.Currently
When liquid injection port or rear liquid injection port have 2 or multiple respectively, capsule part or the front-end and back-end of rear capsule part before main pipe can be located at.
This design allows for when capsule part or rear capsule part middle before liquid injection port is opened in main pipe, during Post operation drain
Remaining liquid can be detained in front capsule or rear capsule cannot empty, cause capsule inner process, can be to trouble in time taking out dilator in the patient
Person causes damage.In order to solve this problem, by liquid injection port before changing or the position of rear liquid injection port, in making front capsule or rear capsule
Emptying rate of liquid.
Because operation needs, often to be discharged the blood and slime in wound by flushing, described main pipe's sidewall is additionally provided with flushing
Chamber, flushing chamber front opening, in blunt round portion, rinses cavity rear end and extends out from main pipe rear portion and form flush pipe.
The opening rinsing front end, chamber is different from the leakage fluid dram in blunt round portion, and leakage fluid dram for getting involved patient prostatitis by dilator
During gland portion urethra, drain urine therein through the inner chamber of main pipe；And the opening rinsing front end, chamber is only used for rinsing or adding medicinal,
Flushing liquor feeds back to main pipe's inner chamber through leakage fluid dram again after injecting and discharges.
As the further optimization of the present invention, being additionally provided with endoscope chamber in described main pipe's sidewall, endoscope chamber is supervisor
Body rear end forms the sight glass mouth inserted for endoscope.Due to the main pipe that the present invention relates to, dilatation balloon, liquid injection pipe, flushing
Pipe, even coiling and adhesive, all use transparent material to make, therefore provide primary condition for endoscopic observation.Due to
The Couple herbs of patient is different, in order to reduce operation risk, is determined the intervention length of dilator by Endoscope-assisted patient
Help the biggest in practice.
As a kind of embodiment, described dilatation balloon is front capsule and two, rear capsule, described front bag beam degree be 30～
100mm, rear bag beam degree is 30～100mm, and the distance between front capsule and rear capsule is scope 3～5mm.
Beneficial effects of the present invention is as follows:
1. utilizing water-filling sacculus to carry out passivity expansion, the damage to human organ is less, and post-operative recovery is fast and can retain former
Organ, retains prostatic reproductive function, sexual function, endocrine function and urinary function simultaneously.
2. utilize the Long term therapy effect of this dilator higher than traditional therapy, it is adaptable to the prostate of the overwhelming majority
Hypertrophy disease patient, operation process only needs 10 minutes, essentially depletion of blood operation.
3. this product reduces the medical expense of operation on prostate, less than the tradition Therapeutic Method such as TURP, laser, saves for country
About a large amount of payments for medical care, benefit the nation and the people.
4. this product uses the TPU biocompatible materials that plasticity is high to make, and combines the moulding shape of dilatation balloon
Fold design with receiving, at utmost reduce the damage to patient, improve expansion and split effect.This product entire body is transparent, in being suitable for being aided with
Sight glass positions.
5. this product function is perfect, by arranging multiple chamber at supervisor's body wall, not only realizes fluid injection, flushing, discharge opeing, peeps
Function depending on location, it is ensured that the integraty of product and aesthetics.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is that schematic cross-section when folding and be wrapped is revolved in the emptying of embodiment 1 dilatation balloon；
Fig. 3 is the front capsule of embodiment 2 and the enlarged diagram of rear capsule；
Fig. 4 is the cross-sectional view of Fig. 3；
Fig. 5 is the schematic cross-section of embodiment 2 main pipe.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of biocompatibility dilator, the main pipe made including a clear PVC material
10, thick at least one 0.05-0.2mm TPU transparency swelling sacculus 20 and front end are with a dilatation balloon inner space extremely
A few fluid injection chamber；Main pipe 10 front end is the blunt round portion 12 offering leakage fluid dram 11, and dilatation balloon 20 is post under expanded state
Shape or fusiformis or elliposoidal, and sacculus thickness does not deforms in the case of 0.05mm, at least 4 atmospheric pressures are persistently full or
Explosion.
TPU film can be carried out negative pressure emptying-excipient PROCESS FOR TREATMENT during production and processing so that it is formed and reduce patient's damage
Collapsed shape: dilatation balloon forms several pleats 3 around main pipe 10 when emptying, all pleats 3 are all pressed clockwise or the inverse time
The stacking of pin direction is also cased with pipe box 4 in outside.Sleeve pipe 4 can remove before use, or uses water-soluble film to make, and is directly accessed
Bound pleat 3 is untied the most afterwards by the water dissolution of uniform temperature.
Dilatation balloon two ends are bundled in main pipe surface by strengthening coiling 13, and coiling periphery is coated with transparent adhesive.
Coiling 13 uses transparent high-strength wire material to be wound around, adhesive preferred medical grade UV transparent adhesive tape.
Embodiment 2
Further combined with shown in Fig. 3, Fig. 4, the present embodiment is substantially the same manner as Example 1, and its difference is: dilatation balloon 20
It is made up of front capsule 210 and rear capsule 220.Front capsule 210 width is 30～100mm, and rear capsule 220 width is 30～100mm, front capsule 210
And the distance between rear capsule 220 is scope 3～5mm.The main pipe of front capsule inner chamber is provided with 1～4 front liquid injection port 211 and with first
Fluid injection chamber 212 connects；The main pipe of rear capsule inner chamber be provided with 1～4 after liquid injection port 221 connecting with the second fluid injection chamber 222.First
Fluid injection chamber 212 and the second fluid injection chamber 222 are formed in main pipe 10 sidewall, and extend out from main pipe rear portion and form first
Liquid injection pipe 213 and the second liquid injection pipe 223.First liquid injection pipe 213 and the second liquid injection pipe 223 free-end are respectively provided with injection
Joint.
Embodiment 3
In conjunction with shown in Fig. 1 to Fig. 4, the present embodiment is substantially the same manner as Example 2, and its difference is: front liquid injection port 211 and after
Liquid injection port 221 is respectively 3.Before and after 3 front liquid injection port 211, two are respectively arranged on the front-end and back-end of capsule part before main pipe；3
Before and after individual rear liquid injection port 221, two are respectively arranged on the front-end and back-end of capsule part after main pipe, and this design is beneficial to dilatation balloon
The eliminating of interior liquid.
Main pipe's sidewall is additionally provided with flushing chamber 232, and blunt round portion forms rinse mouth 13, punching in main pipe front end to rinse chamber 232
Wash rear end, chamber 232 extend out from main pipe 10 rear portion and form flush pipe 233.
Rinse mouth 13 is different from leakage fluid dram 11, and leakage fluid dram 11 is opened on the left and right sides in blunt round portion 12, leads for expansion being split
When patient's prostatic urethra got involved by pipe, drain urine therein through the inner chamber of main pipe 10；And rinse mouth 13 is in blunt round portion 12
The another opening in side, is used for rinsing or add medicinal, and flushing liquor feeds back to main pipe's inner chamber through leakage fluid dram 11 again after injecting and discharges.
Embodiment 4
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, supervisor's body wall also can increase to four chambers: first fluid injection chamber the 212, second fluid injection
Chamber 222, flushing chamber 232, endoscope chamber 242.Endoscope chamber forms the sight glass mouth inserted for endoscope in main pipe rear end.Due to
The Couple herbs of patient is different, in order to reduce operation risk, is determined the intervention length of dilator by Endoscope-assisted patient
Help the biggest in practice.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a biocompatibility dilator, it is characterised in that: include a transparent main pipe, at least one dilatation balloon,
And at least one fluid injection chamber of front end and a dilatation balloon inner space；Described main pipe front end is offer leakage fluid dram blunt
Circle portion；
Described dilatation balloon is the transparent high-pressure-resistant membrane sacculus that TPU material is made, under expanded state be cylindricality or fusiformis or
Elliposoidal.
A kind of biocompatibility dilator the most according to claim 1, it is characterised in that: described dilatation balloon is in emptying
Time formed around several pleats of main pipe, all pleats all by stacking clockwise or counterclockwise and are cased with pipe box in outside.
A kind of biocompatibility dilator the most according to claim 1, it is characterised in that: described dilatation balloon two ends lead to
Crossing coiling and be bundled in main pipe surface, coiling periphery is coated with transparent adhesive.
A kind of biocompatibility dilator the most according to claim 1, it is characterised in that: described dilatation balloon thickness is
0.05-0.2mm, and do not deform or burst in the case of at least 4 atmospheric pressures are persistently full.
5. according to a kind of biocompatibility dilator described in Claims 1 to 4 any one, it is characterised in that: described swollen
Swollen sacculus is made up of front capsule and rear capsule, and the main pipe of front capsule inner chamber is provided with before at least one liquid injection port with the first fluid injection chamber even
Logical；The main pipe of rear capsule inner chamber is provided with at least one rear liquid injection port and connects with the second fluid injection chamber.
A kind of biocompatibility dilator the most according to claim 5, it is characterised in that: described first fluid injection chamber and the
Two fluid injection chambeies are formed in main pipe's sidewall, and extend out from main pipe rear portion and form the first liquid injection pipe and the second fluid injection
Pipe.
A kind of biocompatibility dilator the most according to claim 6, it is characterised in that: described front liquid injection port is 1～4
Individual, wherein there is a front liquid injection port to be located at front end or the rear end of capsule part before main pipe；Described rear liquid injection port is 1～4, wherein
The front end of capsule part or rear end after after having one, liquid injection port is located at main pipe.
A kind of biocompatibility dilator the most according to claim 6, it is characterised in that: described main pipe's sidewall also sets
Flushing chamber, flushing chamber front opening is had in blunt round portion, to rinse cavity rear end and extend out from main pipe rear portion and form flush pipe.
9. according to a kind of biocompatibility dilator described in claim 6～8 any one, it is characterised in that: described master
Being additionally provided with endoscope chamber in tube wall, endoscope chamber forms the sight glass mouth inserted for endoscope in main pipe rear end.
A kind of biocompatibility dilator the most according to claim 9, it is characterised in that: described front bag beam degree is 30
～100mm, rear bag beam degree is 30～100mm, and the distance between front capsule and rear capsule is scope 3～5mm.
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| CN201610482800.0A CN106166324A (en) | 2016-06-27 | 2016-06-27 | A kind of biocompatibility dilator |
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| CN201610482800.0A CN106166324A (en) | 2016-06-27 | 2016-06-27 | A kind of biocompatibility dilator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939320A (en) * | 2019-04-24 | 2019-06-28 | 中山大学中山眼科中心 | A kind of nasopharyngeal airway road |
| CN110613534A (en) * | 2019-10-11 | 2019-12-27 | 杭州锐健马斯汀医疗器材有限公司 | Tearable special-shaped balloon capable of relieving human soft tissue injury and preparation method thereof |
| CN111450392A (en) * | 2020-05-11 | 2020-07-28 | 上海市东方医院（同济大学附属东方医院） | Multistage fistula dilatable puncture and drainage tube with balloon |
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| CN110613534B (en) * | 2019-10-11 | 2021-11-12 | 杭州锐健马斯汀医疗器材有限公司 | Tearable special-shaped balloon capable of relieving human soft tissue injury and preparation method thereof |
| CN111450392A (en) * | 2020-05-11 | 2020-07-28 | 上海市东方医院（同济大学附属东方医院） | Multistage fistula dilatable puncture and drainage tube with balloon |
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Application publication date: 20161130 |