CN108670431A - A kind of anti-infectious expander - Google Patents
A kind of anti-infectious expander Download PDFInfo
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- CN108670431A CN108670431A CN201810612153.XA CN201810612153A CN108670431A CN 108670431 A CN108670431 A CN 108670431A CN 201810612153 A CN201810612153 A CN 201810612153A CN 108670431 A CN108670431 A CN 108670431A
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- irrigating catheter
- valve
- flushing hole
- infectious
- gas tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/02—Devices for expanding tissue, e.g. skin tissue
-
- A61M1/0023—
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- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Dermatology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of anti-infectious expanders, including：Connecting conduit and it is connected to the expansion capsule at connecting conduit both ends and external injection pot, further includes：The material of irrigating catheter, the expansion capsule, connecting conduit and irrigating catheter is the modified silicon rubber of silver-ion topical injection；The expansion capsule includes：Utricule and thickening pedestal in utricule bottom surface is set, the edge of the utricule protrudes from the edge for thickening pedestal, the stage casing of the irrigating catheter is set around the outside for thickening pedestal, and the irrigating catheter lateral wall in stage casing offers flushing hole, the both sides section of irrigating catheter extends to except expansion capsule, the both ends respectively one unidirectional introduction valve connection of connection of irrigating catheter.Above-mentioned anti-infectious expander, use is easy to operate, can effectively reduce the infection probability during skin soft tissue expansion.
Description
Technical field
The present invention relates to skin tissue expander tool technical fields, and in particular to a kind of anti-infectious expander.
Background technology
Tissue expansion, also known as skin soft-tissue expansion refer to that skin tissue expander is implanted into normal skin
Under soft tissue, by injecting the pot periodically injecting fluid into expander, increases expansion capacity, it is made to produce surface skin soft tissue
Raw pressure increases skin area, after taking out expansion capsule by a series of expanding mechanisms to local action, so that it may with newly increasing
Skin soft tissue carry out tissue repair and Organ Reconstruction.Tissue expansion is widely used in Plastic renovation, such as nose reconstruction, ear
Reconstruction and partial breast reconstruction etc.；Some superficial tumors, tatoo or wound, postburn hypertrophic scar；Skin tissue defects, outside bone
Dew, bedsore etc..
Soft tissue expander used in orthopedic clinical at present is a kind of cryptomere made of medical grade silicon rubber
Structure is mainly made of expansion capsule, injection pot and connecting conduit three parts, according to injection mode difference, is broadly divided into external note
Penetrate pot and built-in injection pot.External injection pot refers to that expansion pot is placed in vitro, and the great advantage of which is that water filling is convenient, suffers from
After person family members have learnt water flooding regime, can go home Self-operating.But the connecting conduit of connection injection pot and expansion capsule passes through skin
Skin increases the risk of infection by penetrating in vitro in vivo.Built-in injection pot is that pointed injection pot is placed in vivo, the certain journey of which
The risk along connecting conduit retrograde infection can be reduced on degree, but patient is not easy to learn and grasps water flood operations, in addition, water filling
Journey need to repeatedly puncture skin, if skin degerming operation is not stringent, also bring along infection risk.
Skin tissue expander invention so far, due to its good curative effect, was obtained and was widely used.However, like the shadow following the person
Complication but occur often.Wherein, infection is considered as one of most important complication, it is now recognized that infection with it is following several
A factor is related：
1, the expander used in orthopedic clinical at present, is a kind of cryptomere knot made of medical grade silicon rubber
Structure keeps it poor with the compatibility of tissue and cell, cannot tie well because of factors such as the stronger hydrophobicitys of silicon rubber itself
It closes, is easy to form gap between material and tissue, this makes bacterium that can invade by all means, causes infection, in addition, silicon
The features such as the hydrophobicity of rubber surface make bacterium be also easy to stick, it is easier to cause infection；
2, hemotoncus, hydrops, after being placed in expander, there are potentially large number of lacunas between expander and tissue, if art stops
Blood is not thorough, and the tissue fluid of postoperative oozing of blood and exudation will deposit in this lacuna, if cannot have good haemostatic measures or drainage
Measure can cause hemotoncus and hydrops to be formed, and have many nutritional ingredients in hematocele and the tissue fluid of exudation, be the good training of bacterium
Base is supported, and can cause to infect in turn.
Invention content
In view of the above-mentioned problems, the present invention proposes a kind of anti-infectious expander, use is easy to operate, can effectively reduce skin
Infection probability during soft-tissue expansion.
A kind of anti-infectious expander, including：Connecting conduit and it is connected to the expansion capsule at connecting conduit both ends and external
Pot is injected, further includes：The material of irrigating catheter, the expansion capsule, connecting conduit and irrigating catheter is silver-ion topical injection
Modified silicon rubber；The expansion capsule includes：Utricule and thickening pedestal in utricule bottom surface is set, the edge of the utricule is convex
For the edge for thickening pedestal, the stage casing of the irrigating catheter is set around the outside for thickening pedestal, and in the flushing in stage casing
Conduit lateral wall offers flushing hole, and the both sides section of irrigating catheter extends to except expansion capsule, and the both ends of irrigating catheter respectively connect
One unidirectional introduction valve connection.
The part of above-mentioned expander, embedment skin soft tissue is all made of the modified silicon rubber of silver-ion topical injection,
With extremely strong anti-infection property, the infection risk during skin soft tissue expansion is greatly reduced；It is provided with flushing simultaneously
Conduit avoids the occurrence of hemotoncus and hydrops convenient for being cleaned and being drained in time, the probability of infection is further decreased, using more
Safety.
Further, the locking device that can open or close flushing hole, the closing dress are provided in the irrigating catheter
Set including：Gas tube, bronchus and lock valve；The outer diameter of the gas tube is less than the internal diameter of irrigating catheter, and inductility, inflation
Pipe is along the axial arranged of irrigating catheter, and the both ends of gas tube extend to except unidirectional introduction valve or the connection of the both ends of gas tube
Onto the unidirectional introduction valve of corresponding one end, the tube chamber of gas tube and irrigating catheter is made to be isolated；The lock valve is in and irrigating catheter
The arc that matches of inner surface, and arc length is less than the 1/2 of irrigating catheter inner circle perimeter, and lock valve corresponds to each flushing hole and sets in pairs
It sets, pairs of two lock valves are symmetrically disposed on the both sides of flushing hole, and one end of the close flushing hole of two lock valves is inconsistent with envelope
Flushing hole is closed, the one end of separate flushing hole for locking valve is fixedly connected with the inner surface of irrigating catheter；The bronchus and gas tube
Be connected to and along bronchial radial arrangement, bronchus correspond to each flushing hole in it is ternary be provided with it is multigroup, every group
Three bronchuses are in Y-type layout, and two of which is locked one in valve and be fixedly connected with a pair of respectively, another bronchus be connected to
On the irrigating catheter inner wall of flushing hole opposite side, bronchus has retractility；When gas tube is inflated, bronchus elongation makes two locks
The conflict end of valve detaches, and opens flushing hole.
Locking device is set for the flushing hole on irrigating catheter, using the contraction elasticity of silicon rubber itself, irrigating catheter is received
Tight caliber makes the lock valve under normality be in closed state and then will rinse bore closure, irrigating catheter with expand capsule formed it is closed whole
Body；Flushing hole, after locking device deflation pressure release, irrigating catheter meeting can be opened when needing to rinse or drain by locking device
Automatic elastic reset, so that locking device is closed, the use state easy switching of irrigating catheter, avoid as conventional expansion device
It needs to extract flush pipe when not in use, reduces patient suffering, it is more convenient to use；Meanwhile when locking device works, two locks
Valve opens, and irrigating catheter elasticity can be made to extend out, and makes the aperture increases of flushing hole while squeezing skin histology, and then make hydrops more
Accelerate speed, be thoroughly drained into irrigating catheter and finally excrete, further decreases infection risk.
Further, it is provided on the unidirectional introduction valve and rinses valve port and inflation valve port, the flushing valve port and flushing
The tube chamber of conduit is connected to, and the inflation valve port at both ends is connected to corresponding one end of gas tube.
Valve port will be rinsed and inflation valve port is integrated on unidirectional introduction valve, it is compact-sized small and exquisite, it can reduce to minimal invasive treatment
The inconvenience brought, while also having achieved the effect that the tube chamber for making gas tube and irrigating catheter is isolated.
Further, the arc length of the lock valve is the 1/3-2/5 of irrigating catheter inner circle perimeter.Ensureing that locking valves for two can open
Under the premise of opening to open flushing hole, the volume of control lock valve, influence when reducing lock valve action to irrigating catheter, and then avoid
Because irrigating catheter substantially deforms the pain that compressing skin histology is brought to patient.
Further, the material of the lock valve is medical vulcanie；Medical safety requirements can be met and protected
It is indeformable to demonstrate,prove its stress, it is ensured that lock valve can smoothly open flushing hole.
Further, the edge of the utricule protrudes from the edge 4mm-6mm for thickening pedestal, the outer diameter of the irrigating catheter
For 4mm-6mm.In the case where ensureing irrigating catheter flow, utricule is filled up by it and thickeies the vacancy between base edge,
Keep the outer surface of entire expander smoothened, is more advantageous to being smoothed out for dilatation.
Further, the both sides section of the irrigating catheter is fixedly installed side by side with connecting conduit；Will pass through a wound
Just connecting conduit and irrigating catheter are drawn out in vitro simultaneously, reduce the pain of wound and patient.
In conclusion anti-infectious expander provided by the invention, use is easy to operate, can effectively reduce skin soft tissue
Infection probability in process of expansion.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention；
Fig. 2 is the back structures schematic diagram of the embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of A sections in Fig. 2；
Fig. 4 is the structure enlargement diagram of flushing hole closed state in the portions B in Fig. 3；
Fig. 5 is the structure enlargement diagram of flushing hole opening state in the portions B in Fig. 3；
Fig. 6 is the schematic cross-sectional view of locking device of the embodiment of the present invention；
Reference numeral：1- expands capsule, 11- utricules, and 12- thickeies pedestal, 2- connecting conduits, the external injection pots of 3-, 4- flushings
Conduit, 41- flushing holes, the unidirectional introduction valves of 5-, 51- rinse valve port, and 52- inflates valve port, 6- locking devices, 61- gas tubes, 62-
Bronchus, 63- lock valve.
Specific implementation mode
It, below will knot to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand
Attached drawing is closed the specific implementation mode of technical solution of the present invention is described in detail.
As shown in Figures 1 to 6, anti-infectious expander provided in this embodiment, including：It connecting conduit 2 and is connected to
The expansion capsule 1 at 2 both ends of connecting conduit and external injection pot 3 further include：Irrigating catheter 4, expansion capsule 1, connecting conduit 2 and flushing
The material of conduit 3 is the modified silicon rubber of silver-ion topical injection, with extremely strong anti-infection property, in soft group of skin of embedment
After knitting, the infection risk during skin soft tissue expansion is greatly reduced；Expanding capsule 1 includes：Utricule 11 and setting exist
The thickening pedestal 12 of 11 bottom surface of utricule supports utricule 11 to realize the outside directed expansion of utricule 11, expansion by thickening pedestal 12
Effect is more notable；The edge of utricule 11 protrudes from the edge for thickening pedestal 12, and the stage casing of irrigating catheter 4 is set around thickening pedestal
12 outside, and flushing hole 41 is offered in the lateral wall of the irrigating catheter in stage casing 4, the both sides section of irrigating catheter 4 extends to expansion
It opens except capsule 1, both ends respectively one unidirectional introduction valve 5 of the connection connection of irrigating catheter 4；It is connected to flushing and is led by unidirectional introduction valve 5
Injection liquid or extraction hydrops, achieve the effect that cleaning in time and drainage, avoid the occurrence of hemotoncus and hydrops, further in pipe 4
Reduce the probability of infection, use is safer；And it is possible to the unidirectional introduction valve 5 being respectively set by both ends, one end injection,
One end is extracted, and the skin histology contact prevented completely in wound is extraneous, and anti-infectious effect is more preferably.
As shown in Figures 4 to 6, it is provided with the closing that can open or close flushing hole 41 in the irrigating catheter 4 of the present embodiment
Device 6, the locking device 6 include：Gas tube 61, bronchus 62 and lock valve 63；The outer diameter of gas tube 61 is less than irrigating catheter 4
Internal diameter, and inductility, gas tube 61 is axial arranged along irrigating catheter 4, and the both ends of gas tube 61 extend to unidirectional introduction valve 5
Except or the both ends of gas tube 61 be connected on the unidirectional introduction valve 5 of corresponding one end, needed in a word by gas tube 61 and rinsed
The tube chamber of conduit 4 is kept apart, and the flushing of irrigating catheter 4 and the inflation of gas tube 61 is avoided to interfere, and ensures irrigating catheter 4
With the normal function of locking device 6；Referring to Fig. 6, the present embodiment uses to be provided on unidirectional introduction valve 5 and rinses valve port 51 and fill
The mode of valve port while 52 will be rinsed valve port 51 and be connected to the tube chamber of irrigating catheter 4, by the inflation valve port 52 at both ends and gas tube 61
Correspondence one end connection, achieved the effect that gas tube 61 and the tube chamber of irrigating catheter 4 is made to be isolated, meanwhile, valve port will be rinsed
51 are integrated into inflation valve port 52 on unidirectional introduction valve 5, compact-sized small and exquisite, can reduce the inconvenience brought to minimal invasive treatment.
Lock valve 63 is in the arc to match with the inner surface of irrigating catheter 4, and lock valve 63 corresponds to each flushing hole 41 and sets in pairs
It sets, and the arc length for locking valve 63 is less than the 1/2 of 4 inner circle perimeter of irrigating catheter, ensures lock valve 63 in irrigating catheter 4 after assembled in pairs
Still there are enough activity spaces；Two pairs of lock valves 63 are symmetrically disposed on the both sides of flushing hole 41, and two lock valves 63 is close
One end of flushing hole 41 is inconsistent to close flushing hole 41, locks the interior of one end of the separate flushing hole 41 of valve 63 and irrigating catheter 4
Surface is fixedly connected, and forms the structure of double door.Bronchus 62 has retractility, so that it is expanded in inflation, Jin Ershen
Long, bronchus 62 is connected to gas tube 61 and along the radial arrangement of bronchus 61, bronchus 62 correspond to each flushing hole 41 in
Ternary to be provided with multigroup, every group of three bronchuses 62 are in Y-type layout, and two of which is locked with a pair in valve 63 respectively
One is fixedly connected, and another bronchus 62 is connected on 4 inner wall of irrigating catheter with 41 opposite side of flushing hole.Referring to Fig. 4, fill
When 61 unaerated of tracheae, pairs of two lock 63 inconsistent closures of valve, to close flushing hole 41；When gas tube 61 is inflated, referring to figure
5, because of 61 inductility of gas tube, air pressure acts predominantly on 62 position of bronchus of retractility, and then bronchus 62 is made to expand
Elongation pushes the two lock openings of valve 63 to achieve the effect that contradict end separation, to open flushing hole 41.
Using above-mentioned locking device, using the contraction elasticity of silicon rubber itself, irrigating catheter 4 is received in its natural state
Tightly, tightening caliber makes the lock valve 63 under normality be in closed state and then closes flushing hole 41, makes irrigating catheter 4 with expansion capsule
1 forms closed entirety, and dilation procedure is allow to be smoothed out；When needing to rinse or drain, can be opened by locking device 6
Flushing hole 41, after gas tube 61 loses heart, bronchus 62 disappears to lock 63 outer expansionary force of valve, and the lock valve 63 of locking device 6 is rinsing
It automatically resets under the elastic tightening effect of conduit 4, so that locking device 6 is closed, the use state easy switching of irrigating catheter 4 is kept away
Exempt to need to extract flush pipe when not in use as conventional expansion device, reduces patient suffering, it is more convenient to use；Meanwhile
When locking device 6 works, two lock valves 63 open, and 4 elasticity of irrigating catheter can be forced to extend out, make punching while squeezing skin histology
The aperture increases of hole flushing 41, so make hydrops more quickly, be thoroughly drained into irrigating catheter 4 and finally excrete, into
One step reduces infection risk.
The arc length of lock valve 63 in the present embodiment is preferably the 1/3-2/5 of 4 inner circle perimeter of irrigating catheter, is ensureing two locks
Under the premise of valve 63 can be opened to open flushing hole 41, the volume of control lock valve 63 reduces when lock valve 63 acts to irrigating catheter 4
Influence, and then mitigate and oppress the pain brought to patient of skin histology because irrigating catheter 4 substantially deform.Meanwhile locking valve 63
Material is medical vulcanie, can meet medical safety requirements and its stress is indeformable, it is ensured that lock 63 energy of valve
Smoothly open flushing hole 41.
In the present embodiment, the outer diameter of irrigating catheter 4 is 4mm-6mm, ensures the flow of irrigating catheter 4；Correspondingly, utricule 11
Edge protrude from thicken pedestal 12 edge 4mm-6mm, and then can be filled up by irrigating catheter 4 utricule 11 with thicken pedestal
Vacancy between 12 edges keeps the outer surface of entire expander smoothened, is more advantageous to being smoothed out for dilatation.Referring to figure
The both sides section of 1 and Fig. 2, irrigating catheter 4 are preferably fixedly installed with connecting conduit 2 side by side, just will connection will pass through a wound
Conduit 2 is drawn out in vitro simultaneously with irrigating catheter 4, reduces the pain of wound and patient.
It should be noted that preferred embodiment above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in previous embodiment, either which part or all technical features are carried out etc.
With replacement；And these modifications or replacements, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
Range should all cover in the claim of the present invention and the range of specification.
Claims (7)
1. a kind of anti-infectious expander, including：Connecting conduit and it is connected to the expansion capsule at connecting conduit both ends and external note
Penetrate pot, which is characterized in that further include：The material of irrigating catheter, the expansion capsule, connecting conduit and irrigating catheter is silver ion
The modified silicon rubber of surface injection；
The expansion capsule includes：Utricule and thickening pedestal in utricule bottom surface is set, the edge of the utricule protrudes from thickening
The edge of pedestal, the stage casing of the irrigating catheter are set around the outside for thickening pedestal, and on the outside of the irrigating catheter in stage casing
Wall offers flushing hole, and the both sides section of irrigating catheter extends to except expansion capsule, and the both ends of irrigating catheter respectively connect a unidirectional note
Penetrate valve connection.
2. anti-infectious expander according to claim 1, which is characterized in that
The locking device of flushing hole can be opened or closed by being provided in the irrigating catheter, and the locking device includes：Gas tube,
Bronchus and lock valve；
The outer diameter of the gas tube is less than the internal diameter of irrigating catheter, and inductility, gas tube along the axial arranged of irrigating catheter,
The both ends of gas tube extend to the unidirectional introduction valve that except the unidirectional introduction valve or both ends of gas tube are connected to corresponding one end
On, so that the tube chamber of gas tube and irrigating catheter is isolated；
The lock valve is in the arc to match with the inner surface of irrigating catheter, and arc length is less than the 1/2 of irrigating catheter inner circle perimeter,
Lock valve corresponds to each flushing hole and is arranged in pairs, and pairs of two lock valves are symmetrically disposed on the both sides of flushing hole, and two lock leaning on for valves
One end of nearly flushing hole is inconsistent to close flushing hole, and the one end of separate flushing hole and the inner surface of irrigating catheter for locking valve are fixed
Connection；
The bronchus is connected to gas tube and along bronchial radial arrangement, and bronchus corresponds to each flushing hole in three one
Being provided with for group is multigroup, and every group of three bronchuses are in Y-type layout, and two of which locks the company of fixation in valve with a pair respectively
It connects, another bronchus is connected on the irrigating catheter inner wall with flushing hole opposite side, and bronchus has retractility；Gas tube fills
When gas, bronchus elongation makes the conflict end of two lock valves detach, and opens flushing hole.
3. anti-infectious expander according to claim 2, which is characterized in that
It is provided on the unidirectional introduction valve and rinses valve port and inflation valve port, the tube chamber company for rinsing valve port and irrigating catheter
Logical, the inflation valve port at both ends is connected to corresponding one end of gas tube.
4. anti-infectious expander according to claim 2, which is characterized in that
The arc length of the lock valve is the 1/3-2/5 of irrigating catheter inner circle perimeter.
5. anti-infectious expander according to claim 2, which is characterized in that
The material of the lock valve is medical vulcanie.
6. anti-infectious expander according to claim 1, which is characterized in that
The edge of the utricule protrudes from the edge 4mm-6mm for thickening pedestal, and the outer diameter of the irrigating catheter is 4mm-6mm.
7. anti-infectious expander according to claim 1, which is characterized in that
The both sides section of the irrigating catheter is fixedly installed side by side with connecting conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612153.XA CN108670431B (en) | 2018-06-14 | 2018-06-14 | A kind of anti-infectious expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810612153.XA CN108670431B (en) | 2018-06-14 | 2018-06-14 | A kind of anti-infectious expander |
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| Publication Number | Publication Date |
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| CN108670431A true CN108670431A (en) | 2018-10-19 |
| CN108670431B CN108670431B (en) | 2019-06-25 |
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ID=63811190
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810612153.XA Active CN108670431B (en) | 2018-06-14 | 2018-06-14 | A kind of anti-infectious expander |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407430A (en) * | 2020-03-27 | 2020-07-14 | 中国人民解放军东部战区总医院 | Anti-infection dilator |
| CN113082477A (en) * | 2021-04-25 | 2021-07-09 | 上海懿熹医疗科技有限公司 | Portable expander |
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| CN201361052Y (en) * | 2008-12-30 | 2009-12-16 | 上海交通大学医学院附属第九人民医院 | Skin expander |
| CN201543096U (en) * | 2009-11-10 | 2010-08-11 | 王会勇 | Dilator |
| CN102599942A (en) * | 2012-03-31 | 2012-07-25 | 潘进洪 | Dilating hemostasis ostomy tube for minimally invasive percutaneous nephroscope |
| CN103118610A (en) * | 2010-08-30 | 2013-05-22 | 西努赛斯公司 | Devices and methods for dilating a paranasal sinus opening and for treating sinusitis |
| CN204521948U (en) * | 2015-04-08 | 2015-08-05 | 高风 | A kind of nasal cavity dilator |
| CN204698615U (en) * | 2015-03-27 | 2015-10-14 | 岳长路 | Novel skin dilator |
| CN205459099U (en) * | 2016-01-29 | 2016-08-17 | 广州市万和整形材料有限公司 | Skin soft tissue expander |
| CN205698040U (en) * | 2016-03-09 | 2016-11-23 | 刘凯 | A kind of Region control type skin dilator |
| CN205948176U (en) * | 2016-01-27 | 2017-02-15 | 广州市万和整形材料有限公司 | Prevent breaking, skin soft tissue expander of anti -canting |
| US9814566B1 (en) * | 2012-08-15 | 2017-11-14 | Pmt Corporation | Tissue expander injection assemblies |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2120592U (en) * | 1992-03-21 | 1992-11-04 | 仇德惠 | Catheter for esophagus operation |
| CN201361052Y (en) * | 2008-12-30 | 2009-12-16 | 上海交通大学医学院附属第九人民医院 | Skin expander |
| CN201543096U (en) * | 2009-11-10 | 2010-08-11 | 王会勇 | Dilator |
| CN103118610A (en) * | 2010-08-30 | 2013-05-22 | 西努赛斯公司 | Devices and methods for dilating a paranasal sinus opening and for treating sinusitis |
| CN102599942A (en) * | 2012-03-31 | 2012-07-25 | 潘进洪 | Dilating hemostasis ostomy tube for minimally invasive percutaneous nephroscope |
| US9814566B1 (en) * | 2012-08-15 | 2017-11-14 | Pmt Corporation | Tissue expander injection assemblies |
| CN204698615U (en) * | 2015-03-27 | 2015-10-14 | 岳长路 | Novel skin dilator |
| CN204521948U (en) * | 2015-04-08 | 2015-08-05 | 高风 | A kind of nasal cavity dilator |
| CN205948176U (en) * | 2016-01-27 | 2017-02-15 | 广州市万和整形材料有限公司 | Prevent breaking, skin soft tissue expander of anti -canting |
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| CN205698040U (en) * | 2016-03-09 | 2016-11-23 | 刘凯 | A kind of Region control type skin dilator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111407430A (en) * | 2020-03-27 | 2020-07-14 | 中国人民解放军东部战区总医院 | Anti-infection dilator |
| CN113082477A (en) * | 2021-04-25 | 2021-07-09 | 上海懿熹医疗科技有限公司 | Portable expander |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108670431B (en) | 2019-06-25 |
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