CN208741622U - The fistula mouth that coincide protects flusher - Google Patents
The fistula mouth that coincide protects flusher Download PDFInfo
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- CN208741622U CN208741622U CN201820174311.3U CN201820174311U CN208741622U CN 208741622 U CN208741622 U CN 208741622U CN 201820174311 U CN201820174311 U CN 201820174311U CN 208741622 U CN208741622 U CN 208741622U
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- Prior art keywords
- protection
- flusher
- drainage
- protects
- fistula mouth
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Abstract
A kind of identical fistula mouth protection flusher solves patient existing for existing curing anastomotic leakage method and utensil and needs to undergo second operation, and medical expense is high, easily causes rectum to dampen, wear comfort is poor, inconvenient problem.Including the protection washout plug with hollow type structure, it is characterised in that: protect setting middle part contraction flow region between the upper arcuate body of washout plug and bottom discharge end, drainage entrance and rinse part is respectively set above upper arcuate body；Bottom discharge end drains the flow sub of exit setting, is connected by conduction hose with drainage-fluid collecting bag；The injection interface of bottom discharge end is connected by being injected into flow tube with the inlet of rinse part；The inflatable interface of bottom discharge end is connected by appendix with closed airbag.It is designed rationally, compact-sized, be can avoid second operation, is easy to the turn of tidal stream of excrement, can be reduced previous anastomotic tension, is conducive to the healing of fistula mouth, and can implement postoperative disinfection to previous anastomotic.
Description
Technical field
The utility model belongs to postoperative auxiliary medical apparatus technical field, and in particular to a kind of avoidable patient experience is secondary
Operation, is easy to the turn of tidal stream of excrement, can reduce previous anastomotic tension, and can implement postoperative disinfection to previous anastomotic, be conducive to fistula mouth certainly
The identical fistula mouth of row healing protects flusher.
Background technique
Anterior resection of rectum is one of the chief surgical mode for treating rectal cancer patient, because it is in the base of radical surgery
The anus of patient is remained on plinth, but anastomotic leakage is this more serious complication of performing the operation, the probability of generation is 7~9%.
The treatment of anastomotic leakage is usually row turn of tidal stream operation (such as: enterostomy), is then passed through 3~6 months, and fistula mouth is waited voluntarily to be cured
After conjunction, then the intestines stoma of stomach wall also received, restores original enteron aisle structure；Its principle is, the abdominal stoma turn of tidal stream of intestines proximal end
Excrement, makes excrement no longer pass through fistula mouth, so that fistula mouth be made to heal gradually.This traditional processing method, usually makes previous anastomotic
The patient of fistula needs to bear second operation strike, not only increases patient body and spiritual dual pain, and increase
Medical expense even jeopardizes patient vitals when serious, and there are certain medical hidden danger.
It is reported according to Patents documents, notification number is a kind of " rectum anal tube drainage flusher " of CN201186101Y, if
Have annular air-pocket, straight tube, external disk, gas tube, water inlet pipe and outlet pipe, annular air-pocket is connect with straight tube top, straight tube lower part with
External disk connection, straight tube are equipped with apopore and suction hole.However, due to rectum and non-straight tubular structure, but there is meeting
Negative bent, bent two macrobendings of sacrum, so it is somebody's turn to do a kind of " rectum anal tube drainage flusher " this structure that can not adjust anal entering end radian,
Easily cause the contusion of rectum；In addition, the position of its apopore and suction hole be it is fixed, cannot be carried out according to the position of previous anastomotic
Flexible modulation, and then cause flusher that can not carry out effective disinfection to rectum previous anastomotic and rinse, lose due function.And
And should straight tubular construction used by " drainage flusher ", not only the wear comfort of patient is poor, after flushing flusher with
Shi Keneng falls off, and is difficult indwelling in anus；To which each irrigation and disinfection is both needed to insertion flusher, operation difficulty is both increased,
The sense of discomfort of patient is increased again.More importantly flusher can not just carry out anus persistently expanding anus, no once deviating from
Rectum can be depressurized, influence therapeutic effect.
Therefore, the effective ways and utensil for needing a kind of solution turn of tidal stream excrement of No operation, are not only avoided that patient in this way
The double blow for bearing second operation, can also greatly save medical expense.
Utility model content
The utility model provides a kind of avoidable patient experience second operation, is easy to excrement aiming at the above problem
Turn of tidal stream can reduce previous anastomotic tension, and can apply postoperative disinfection to previous anastomotic and fistula cause for gossip, be conducive to the kiss of fistula mouth self-heal
It closes fistula mouth and protects flusher.
The technical scheme adopted by the utility model is this coincide, fistula mouth protection flusher includes having hollow type structure
Protect washout plug, it is characterised in that: the protection washout plug is made of upper arcuate body and bottom discharge end, upper arcuate body with
It is provided with middle part contraction flow region between bottom discharge end, is respectively arranged with drainage entrance and rinse part above upper arcuate body；Institute
The inside of protection washout plug is stated as drainage cavity up and down；The drainage exit of bottom discharge end is provided with flow sub,
Flow sub is connected by conduction hose with drainage-fluid collecting bag；The side of bottom discharge end is provided with injection interface, and injection connects
The infusion end of mouth, which passes through to be arranged on drainage cavity inner wall, is injected into flow tube, is connected with the inlet of rinse part；Inject interface
Liquid feeding end then pass through injection hose and be connected with syringe.
The rinse part of the top setting of the protection washout plug upper arcuate body, is made of annular splitter cavity；Annular shunts
Chamber is located at drainage inlet, the flushing for being provided with several in the lower wall of annular splitter cavity, being along the circumferential direction equally spaced
Spray nozzle；Described be arranged on protection washout plug drainage cavity inner wall is injected into flow tube, the inlet phase with annular splitter cavity
Even.With by the thimerosal in syringe, via being injected into flow tube, be evenly injected into rectum enteric cavity, and then previous anastomotic is rinsed
With fistula mouth, implement postoperative disinfection.
The outside of the annular splitter cavity of drainage inlet setting, is provided with closed airbag；The air inlet of closed airbag
Inflatable interface phase by the appendix being arranged on protection washout plug drainage cavity inner wall, with the setting of bottom discharge end side
Even；Inflatable interface is connected by inflated hose with gas source.To inflate by gas source into closed airbag, and utilize the envelope after expansion
Capsule of holding one's breath closes the intestinal tube above previous anastomotic, is easy to the turn of tidal stream of excrement, to reduce previous anastomotic tension, conducive to fistula mouth
Healing.
Between protection washout plug upper arcuate body and the annular splitter cavity of top rinse part, it is provided with flexible concertina tune
Section portion.So that entirely protection washout plug can realize free tune with the different rectum curvature of each patient in enteric cavity
It is whole, the contusion caused by rectum is avoided, and ensure closed airbag to the sealing effect of intestinal tube；Meanwhile punching is adjusted by stretching
The length of device is washed, so that annular splitter cavity and its position of outside closed airbag in enteric cavity is adjusted flexibly, according to patient's difference
Previous anastomotic and the position of fistula mouth effectively rinsed, and then adjust the sterilization scope to rectum.
Between the upper end of the flexible concertina adjustment portion and the lower part of annular splitter cavity, pass through the detachable company of connector sleeve
It connects.In order to the cleaning and replacement of annular splitter cavity, connection reliability is promoted.
On the side wall of the upper arcuate body upper end of the protection washout plug, it is provided with several along the circumferential direction equidistant cloth
The flushing refluxing opening set.After protecting washout plug merging rectum, this rinses refluxing opening and is located at the nearly anus of rectum end, in order to
The disinfection flushing liquor that spray nozzle sprays is rinsed on the downside of annular splitter cavity to drain and be discharged through thus mouth after sterilizing entire rectum.
The flow sub of protection washout plug lower end setting, detachable connection are exported in the drainage of bottom discharge end
Place.In favor of the cleaning of protection washout plug drainage cavity, and facilitates the daily walking of patient to wear and use.
The material of the protection washout plug of the hollow type structure is silica gel or medical grade rubber.The protection of soft material to be rushed
It washes after filling in diminution, in insertion anus, it is ensured that in use intestinal tube will not be caused to dampen；And promote usage comfort.
The inner and outer surfaces of the protection washout plug are provided with non-sticking lining.Rubbing when reducing protection washout plug insertion
Coefficient is wiped, reduces the feeling of pain of patient, and be conducive to the discharge of postoperative intestinal secretion liquid and excrement.
The non-sticking lining of the protection washout plug inner and outer surfaces setting is polytetrafluorethylecoatings coatings.
The utility model has the beneficial effects that since the utility model uses the protection washout plug of hollow type structure, protection punching
Wash between the upper arcuate body of plug and bottom discharge end setting middle part contraction flow region, be respectively set above upper arcuate body drain into
Mouth and rinse part；Protect the inside of washout plug for drainage cavity up and down；Bottom discharge end drainage exit setting is drawn
Connector is flowed, is connected by conduction hose with drainage-fluid collecting bag；The injection interface of bottom discharge end side setting is by being arranged in
It is injected into flow tube on drainage cavity inner wall, is connected with the inlet of rinse part, the liquid feeding end for injecting interface passes through injection hose
The structure type being connected with syringe；The inflatable interface of bottom discharge end passes through the appendix being arranged on drainage cavity inner wall,
It is connected with the closed airbag being arranged above protection washout plug, so it has the advantages that 1, utilizes the closed airbag after expansion
Intestinal tube above previous anastomotic is effectively closed, the turn of tidal stream of excrement is easy to, pollution of the excrement to anastomotic leakage mouth is reduced, is conducive to
The healing of fistula mouth；To avoid patient experience second operation, medical expense is saved.2, effectively implement postoperative disinfection；Pass through injection
Device extracts the thimerosals such as Iodophor, and via being injected into the flushing spray nozzle of flow tube and annular splitter cavity, inject into rectum enteric cavity
Thimerosal, and then disinfection is rinsed to previous anastomotic, fistula mouth and anal canal；Postoperative disappear can not be implemented to previous anastomotic and fistula mouth by solving
The problem of poison.3, easy to use, reliable；Using the drainage-fluid collecting bag of protection washout plug bottom discharge end connection, in addition to that will rush
The thimerosal for washing previous anastomotic and fistula mouth is collected, and can also collect the intestinal juice and excrement of patient, convenient for medical staff to patient
Defecation situation is observed, while reducing the frequency nursed to crissum.4, entirely protection washout plug can in enteric cavity, with straight
Intestines curvature and realize free adjustment, avoid the contusion caused by rectum, and ensure closed airbag to the sealing effect of intestinal tube；Ring
Shape splitter cavity and its outside position in enteric cavity of closed airbag can with the previous anastomotic position flexible modulation of different patients,
To realize effective flushing to previous anastomotic and fistula mouth.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model.
Fig. 2 is a kind of structural schematic diagram of the protection washout plug in Fig. 1.
Fig. 3 is the internal structure cross-sectional view of Fig. 2 along the vertical direction.
Fig. 4 is the closed airbag unaerated of Fig. 2 protection washout plug, to unload flow sub, inflated hose and injection hose equal
Structural schematic diagram when pulling out.
Fig. 5 is the use state diagram of the utility model.
Number explanation in figure: 1 protection washout plug, 2 shut-off valves, 3 inflated hoses, 4 flow subs, 5 conduction hoses, 6 drainages
Liquid collecting bag, 7 injection interfaces, 8 injection hoses, 9 syringes, 10 upper arcuate bodies, 11 middle part contraction flow regions, 12 bottom discharge ends,
13 inflatable interfaces, 14 rinse refluxing openings, 15 flexible concertina adjustment portions, 16 closed airbags, 17 annular splitter cavities, 18 drainage entrances,
19 connector sleeves, 20 drainage outlets, 21 appendixs, 22 be injected into flow tube, 23 rinse spray nozzles, 24 drain cavitys, 25 rectal intestinal tracts,
26 previous anastomotics, 27 fistula mouths, 28 anuses.
Specific embodiment
The specific structure of the utility model is described in detail according to Fig. 1~5.The fistula mouth protection flusher that coincide includes by soft
Material is made, the protection washout plug 1 with hollow type structure.Protecting washout plug 1 includes for being placed in rectal intestinal tract 25
Portion's arc body 10, the drainage that the top of upper arcuate body 10 is provided with rinse part and enters for intestinal secretion liquid and excrement
Entrance 18.Rinse part includes enclosing the annular splitter cavity 17 constituted from beginning to end by bending tubule；Annular splitter cavity 17 be located at drain into
Several are provided at mouth 18, and in the lower wall of annular splitter cavity 17, are rushed along what tubule bending circumferencial direction was equally spaced
Spray nozzle 23 is washed, that rinses spray nozzle 23 goes out mouth down arrangement.It is sprayed for the ease of rinsing spray nozzle 23 on the downside of annular splitter cavity 17
Disinfection flushing liquor out drains 20 discharge of drainage outlet of 24 lower end of cavity via protection washout plug 1, protects the upper of washout plug 1
On the side wall of 10 upper end of portion's arc body, several are provided with along cross-sectional periphery direction, the flushing refluxing opening 14 being equally spaced.Root
According to specific using needs, protection 1 upper end of washout plug drains the flushing hydrojet being arranged on the downside of the annular splitter cavity 17 at entrance 18
The quantity of mouth 23 can be six；With by the thimerosal in syringe 9, via being injected into flow tube 22, be evenly injected into rectum
In enteric cavity, and then previous anastomotic and fistula mouth are rinsed, implements postoperative disinfection.
The lower section for protecting the upper arcuate body 10 of washout plug 1, is provided with the lower discharge for drain in enteron aisle to be discharged
End 12.Between the top of bottom discharge end 12 and the lower part of upper arcuate body 10, it is provided in for being contacted with patient anus
Portion's contraction flow region 11.The inside of entire protection washout plug 1 is drainage cavity 24 up and down；Also, it is rinsed to reduce protection
The inner and outer surfaces of coefficient of friction when 1 insertion of plug, protection washout plug 1 are provided with non-sticking lining, to reduce the pain of patient
Sense, and it is conducive to the discharge of juice and excrement.According to the needs of use, the non-sticking lining of protection 1 inner and outer surfaces of washout plug setting,
Polytetrafluorethylecoatings coatings can be used., it is understood that the protection washout plug 1 of hollow type structure can use silica gel or medical
The soft materials such as rubber are made, after more soft protection washout plug 1 is reduced, in insertion anus, so that it is guaranteed that using
In the process intestinal tube will not be caused to dampen；And promote usage comfort.
For the purpose of intestinal tube above closing previous anastomotic, the outside for the annular splitter cavity 17 being arranged at entrance 18 is drained, if
Set flexible ring seal air bag 16.The air inlet of closed airbag 16 is arranged in the protection drainage of washout plug 1 by fitting closely
Appendix 21 on 24 inner wall of cavity is connected with the inflatable interface 13 of 12 side of bottom discharge end setting；Inflatable interface 13 is logical
Gas overcharging hose 3 is connected with gas source, and shut-off valve 2 is provided on inflated hose 3；It is inflated by gas source into closed airbag 16
Afterwards, shut-off valve 2 is closed, and then the intestinal tube above previous anastomotic is effectively closed using the closed airbag 16 after expansion, with easy
In the turn of tidal stream of excrement, so as to avoid pollution of the excrement to previous anastomotic, conducive to the healing of fistula mouth.In order to facilitate the daily row of patient
The use of wearing is walked, movable sprue is provided on the side wall of inflatable interface 13；To pull out inflated hose 3 and thereon shut-off valve
Before 2, inflatable interface 13 is temporarily blocked using movable sprue, closed airbag gas leakage is prevented, ensures the closing effect to intestinal tube
Fruit.
In order to avoid protection washout plug 1 causes to dampen to rectum, the upper end and top of 1 upper arcuate body 10 of washout plug are protected
Between the lower part of rinse part annular splitter cavity 17, it is provided with flexible concertina adjustment portion 15；To enable entirely to protect washout plug 1
Free adjustment is realized in enteric cavity, with the different rectum curvature of each patient, and then closed airbag 16 is also ensured
To the sealing effect of intestinal tube；Meanwhile annular splitter cavity 17 and its outside position in enteric cavity of closed airbag 16 can be with
The previous anastomotic position flexible modulation of different patients, to realize effective flushing to previous anastomotic and fistula mouth.For facilitating rinse part ring
The purpose of shape splitter cavity 17 cleaning and replacement is led between the upper end of flexible concertina adjustment portion 15 and the lower part of annular splitter cavity 17
19 detachable connection of connector sleeve is crossed, and promotes connection reliability.
It protects at the drainage outlet 20 of the bottom discharge end 12 of washout plug 1, is provided with detachable flow sub 4, with
The cleaning of cavity 24 is drained conducive to protection washout plug 1, and the daily wearing of patient is facilitated to use.The lower end of flow sub 4, passes through
Conduction hose 5 is connected with drainage-fluid collecting bag 6.Also, the side of bottom discharge end 12 is provided with for injecting thimerosal
Inject interface 7.The infusion end for injecting interface 7 is arranged on 24 inner wall of drainage cavity of protection washout plug 1 by fitting closely
It is injected into flow tube 22, the inlet for draining the annular splitter cavity 17 at entrance 18 with protection washout plug 1 is connected；Inject interface 7
Liquid feeding end, then be connected by injection hose 8 with the liquid outlet of syringe 9.
Fistula mouth protection flusher that coincide is in use, firstly, specific depth according to previous anastomotic 26 in rectal intestinal tract 25
The length of flexible concertina adjustment portion 15 is adjusted in position.Then, upper arcuate body 10, the Yi Jiqi of washout plug 1 will be protected
The annular splitter cavity 17 and closed airbag 16(of top are not yet inflated), it is inserted into rectal intestinal tract 25 via anus 28；It is being inserted into
In the process, the flexible concertina adjustment portion 15 being arranged between upper arcuate body 10 and annular splitter cavity 17 can make entirely to protect and rinse
Plug 1 can realize free adjustment in enteric cavity, with the curvature of patient's rectum, avoid causing to dampen to rectum.Meanwhile making
Annular splitter cavity 17 and closed airbag 16 are located at 27 top position appropriate of previous anastomotic 26 and fistula mouth, to ensure closed airbag 16
It to the sealing effect of intestinal tube after inflation, and realizes effective flushing to previous anastomotic and fistula mouth, increases the sterilization scope of rectum.
The middle part contraction flow region 11 of protection washout plug 1 is then stuck at anus 28, and the bottom discharge end 12 of protection washout plug 1 is located at anus 28
Outside persistently expands anus to realize, reduces the tension of previous anastomotic.
In use process, the flow sub 4 and 6 phase of drainage-fluid collecting bag of 1 lower end of washout plug will be protected by conduction hose 5
Even, to collect the intestinal juice and excrement of patient while being collected the thimerosal for rinsing previous anastomotic and fistula mouth, it is convenient for medical care
Personnel observe patient's defecation situation, while reducing the frequency nursed to crissum.In addition, when needing to rectum previous anastomotic and
When postoperative disinfection is applied in fistula cause for gossip, the thimerosals such as Iodophor are extracted using syringe 9, and via being injected into flow tube 22 and annular splitter cavity
17 flushing spray nozzle 23 injects thimerosal into the rectum enteric cavity of 16 lower section of closed airbag, and then to previous anastomotic, fistula mouth and anus
Pipe carries out disinfection flushing；And it sterilizes flushing liquor and passes through the flushing refluxing opening on protection 1 upper arcuate body of washout plug, 10 upper end side wall
14,20 discharge of drainage outlet of 24 lower end of cavity is drained via protection washout plug 1., it is understood that making in the daily of patient
With the flow sub 4 that protection 1 lower end of washout plug in the process, can be unloaded, and using movable sprue inflatable interface 13 blocked upper, anti-
Only closed airbag gas leakage, then inflated hose 3 and injection hose 8 are pulled out respectively, it is used with facilitating the daily walking of patient to wear.
Claims (10)
1. a kind of identical fistula mouth protects flusher, including the protection washout plug (1) with hollow type structure, it is characterised in that: institute
It states protection washout plug (1) to be made of upper arcuate body (10) and bottom discharge end (12), upper arcuate body (10) and lower discharge
It is provided with middle part contraction flow region (11) between end (12), drainage entrance (18) is respectively arranged with above upper arcuate body (10) and rushes
Wash portion；The inside of protection washout plug (1) is drainage cavity (24) up and down；The drainage of bottom discharge end (12) exports
(20) it is provided at flow sub (4), flow sub (4) is connected by conduction hose (5) with drainage-fluid collecting bag (6)；Lower part
The side of discharge end (12) is provided with injection interface (7), and the infusion end of injection interface (7) is by being arranged in drainage cavity (24)
Flow tube (22) are injected on wall, are connected with the inlet of rinse part；The liquid feeding end of injection interface (7) then passes through injection hose
(8) it is connected with syringe (9).
2. identical fistula mouth according to claim 1 protects flusher, it is characterised in that: protection washout plug (1) top
The rinse part of the top setting of arc body (10), is made of annular splitter cavity (17)；Annular splitter cavity (17) is located at drainage entrance
(18) at, the flushing spray nozzle that is provided with several in the lower wall of annular splitter cavity (17), is along the circumferential direction equally spaced
(23)；Described be arranged on protection washout plug (1) drainage cavity (24) inner wall is injected into flow tube (22), with annular splitter cavity
(17) inlet is connected.
3. identical fistula mouth according to claim 2 protects flusher, it is characterised in that: be arranged at the drainage entrance (18)
Annular splitter cavity (17) outside, be provided with closed airbag (16)；The air inlet of closed airbag (16) is by being arranged in protection
Washout plug (1) drains the appendix (21) on cavity (24) inner wall, the inflatable interface with the setting of bottom discharge end (12) side
(13) it is connected；Inflatable interface (13) is connected by inflated hose (3) with gas source.
4. identical fistula mouth according to claim 2 protects flusher, it is characterised in that: protection washout plug (1) top
Between arc body (10) and the annular splitter cavity (17) of top rinse part, it is provided with flexible concertina adjustment portion (15).
5. identical fistula mouth according to claim 4 protects flusher, it is characterised in that: the flexible concertina adjustment portion (15)
Upper end and annular splitter cavity (17) lower part between, pass through connector sleeve (19) detachable connection.
6. identical fistula mouth according to claim 1 protects flusher, it is characterised in that: described to protect the upper of washout plug (1)
On the side wall of portion's arc body (10) upper end, it is provided with several flushing refluxing openings (14) being along the circumferential direction equally spaced.
7. identical fistula mouth according to claim 1 protects flusher, it is characterised in that: protection washout plug (1) lower end
The flow sub (4) of setting, detachable connection is at the drainage outlet (20) of bottom discharge end (12).
8. identical fistula mouth according to claim 1 protects flusher, it is characterised in that: the protection of the hollow type structure is rushed
The material for washing plug (1) is silica gel or medical grade rubber.
9. identical fistula mouth according to claim 1 protects flusher, it is characterised in that: protection washout plug (1) it is interior,
Outer surface is provided with non-sticking lining.
10. identical fistula mouth according to claim 1 protects flusher, it is characterised in that: in the protection washout plug (1),
The non-sticking lining of outer surface setting is polytetrafluorethylecoatings coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174311.3U CN208741622U (en) | 2018-02-01 | 2018-02-01 | The fistula mouth that coincide protects flusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820174311.3U CN208741622U (en) | 2018-02-01 | 2018-02-01 | The fistula mouth that coincide protects flusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208741622U true CN208741622U (en) | 2019-04-16 |
Family
ID=66051856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820174311.3U Expired - Fee Related CN208741622U (en) | 2018-02-01 | 2018-02-01 | The fistula mouth that coincide protects flusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208741622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261577A (en) * | 2018-02-01 | 2018-07-10 | 辽宁省肿瘤医院 | Coincide fistula mouth protection flusher |
-
2018
- 2018-02-01 CN CN201820174311.3U patent/CN208741622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261577A (en) * | 2018-02-01 | 2018-07-10 | 辽宁省肿瘤医院 | Coincide fistula mouth protection flusher |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20210201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |