CN206424127U - Intervene percutaneous Gastroenteritic system - Google Patents
Intervene percutaneous Gastroenteritic system Download PDFInfo
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- CN206424127U CN206424127U CN201621005770.6U CN201621005770U CN206424127U CN 206424127 U CN206424127 U CN 206424127U CN 201621005770 U CN201621005770 U CN 201621005770U CN 206424127 U CN206424127 U CN 206424127U
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- fistula
- stomach
- hollow
- outer layer
- percutaneous
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Abstract
The utility model discloses the percutaneous Gastroenteritic system of one kind intervention, it is made up of puncture stomach stomach wall fixation kit, puncture broken wall component and fixed fistula component；Puncturing stomach stomach wall fixation kit includes stomach abdominal wall retainer and puncture needle；Puncture needle is through internal layer hollow needle cannula cavity；Puncturing broken wall component includes broken wall pin and hollow sheath；Fixed fistula component includes the hollow fistula of internal layer and the movable fistula of outer layer, and the external diameter and the internal diameter of hollow sheath of outer layer activity fistula coincide, and makes to fix fistula component through in hollow sheath.The percutaneous Gastroenteritic system architecture of the utility model intervention is simple, simplify operating procedure, make percutaneous stomach fistulization more simple and fast, technology is easier to grasp, the fistula of indwelling simultaneously is with anti-structure of backflowing, food can be directly injected into, the nutrient canal of other stomaches of people or enteron aisle, convenient management and replacing can also be inserted by this fistula.
Description
Technical field
The utility model is related to medical apparatus field, and in particular to the percutaneous Gastroenteritic system of one kind intervention.
Background technology
Gastrointestinal fistulation is the conventional operation of Clinical Surgery, applied to the patient for being unable to oral feeding for a long time.
Medically there are the equipment and technology that stomach and intestine fistula is put by gastroscope fistulization, some intervention doctors at present
Using gastroscope fistulization equipment, Gastroenteritic can be also completed under X-ray and stomach and intestine fistula is put, still
The equipment is designed for interventional procedure, still has improper or inconvenience by interventional technique operation,
Popularizing for the technology is also limit to a certain extent.
Utility model content
The purpose of this utility model be to provide a kind of simple in construction, operating process it is simple and convenient, safe and reliable, while staying
The fistula put can be directly injected into food with anti-structure of backflowing, and other stomaches or enteron aisle can also be inserted by this fistula
Nutrient canal, the convenient percutaneous Gastroenteritic system of intervention for managing and changing.
To achieve these goals, the technical solution of the utility model is：A kind of percutaneous Gastroenteritic system of intervention is provided,
Wherein, it is made up of puncture stomach-stomach wall fixation kit, puncture broken wall component and fixed fistula component；Puncture stomach-the stomach wall is fixed
Component includes stomach-abdominal wall retainer and puncture needle；Stomach-abdominal wall retainer is by the hollow needle cannula of internal layer and the movable deformed casing of outer layer
Constitute, outer layer activity deformed casing includes the outer layer activity pushing hands end of upper part and the outer layer shedding deformation end of lower part, outer layer
The end at shedding deformation end is fixed on the outer surface of the hollow needle cannula of internal layer；Outer layer activity pushing hands end is along the hollow needle guard of internal layer
When pipe is moved up and down, outer layer shedding deformation end is deformed in the lateral direction respectively simultaneously；The internal diameter of the hollow needle cannula of internal layer with
The external diameter of puncture needle coincide, and puncture needle is through internal layer hollow needle cannula cavity；The puncture broken wall component include broken wall pin and
Hollow sheath, broken wall wire surface is provided with strip groove along direction of principal axis, and the lower end of hollow sheath lacks along direction of principal axis provided with bar shaped
Mouthful, bar v notch v is communicated with hollow cavity, and the internal diameter of hollow sheath coincide with the external diameter of broken wall pin；Broken wall pin is through hollow sheath
During tube cavity, stomach-abdominal wall retainer active tunnel is formed after bar v notch v is corresponding with strip groove position；The fixed fistula group
Part includes the movable fistula of the hollow fistula of internal layer and outer layer, outer layer activity fistula include upper part the movable fistula pushing hands end of outer layer and
The outer layer of lower part is bloomed deformed end, and the bloom end of deformed end of outer layer is fixed on the outer surface of the hollow fistula of internal layer；Outer layer
Movable fistula pushing hands end along the hollow fistula of internal layer move up and down when, outer layer blooms deformed end while blooming in the lateral direction respectively
Deformation；The external diameter and the internal diameter of hollow sheath of the movable fistula of the outer layer coincide, and make to fix fistula component through hollow sheath
It is interior.
Further, the puncture stomach-stomach wall fixation kit also includes in fixed sleeving, the internal diameter and internal layer of fixed sleeving
The external diameter of empty needle sleeve pipe coincide, and the external diameter of fixed sleeving is consistent with the external diameter of the movable deformed casing of outer layer；Including fixed sleeving set
The hollow needle cannula of layer is outer and end withstands on outer layer activity pushing hands end.
Further, the head end of the hollow needle cannula of the internal layer is provided with external screw thread.
Further, the inner chamber head end of the fixed sleeving is provided with internal thread.
Further, the stomach-abdominal wall retainer active tunnel is available for fixed sleeving to pass through.
Further, the distal opening of the hollow fistula of the internal layer is provided with anti-structure of backflowing, and head end is provided with fistula cap.
Further, the anti-structure of backflowing is the enclosed elastic film with oblique otch.
Further, the outer layer blooms deformed end for cover film structure of steel wire.
Further, the fixed fistula component also includes outer locking cap and outer fixed seat；After outer layer activity fistula deformation,
Outer fixed seating is on the hollow fistula of internal layer and is pressed in the movable fistula pushing hands end of outer layer, and outer locking cap is enclosed on the hollow fistula of internal layer
And screw and be connected with outer fixed seat.
The percutaneous Gastroenteritic system architecture of the utility model intervention is simple, simplify operating procedure, makes percutaneous stomach fistulization simpler
Single quick, technology is easier to grasp, while the fistula of indwelling can be directly injected into food, can also lead to anti-structure of backflowing
Cross the nutrient canal that this fistula inserts other stomaches of people or enteron aisle, convenient management and replacing.
Brief description of the drawings
Fig. 1 is the structural representation for puncture stomach-stomach wall fixation kit that the utility model intervenes percutaneous Gastroenteritic system；
Fig. 2 is stomach-abdominal wall retainer structural representation in Fig. 1；
Fig. 3 moves up and down for the outer layer activity pushing hands end in stomach-abdominal wall retainer in Fig. 2 along the hollow needle cannula of internal layer
When, the structural representation after deforming in the lateral direction is distinguished at outer layer shedding deformation end simultaneously；
Fig. 4 is the puncture needle structure schematic diagram in Fig. 1；
Fig. 5 is the fixed sleeving structural representation in Fig. 1；
After Fig. 6 is outer layer shedding deformation end deformation in Fig. 1, fixed sleeving is enclosed on outside the hollow needle cannula of internal layer and end is withstood on
The structural representation at outer layer activity pushing hands end；
Fig. 7 is that the utility model intervenes the hollow sheath structural representation that broken wall component is punctured in percutaneous Gastroenteritic system
Figure；
Fig. 8 is that the utility model intervenes the broken wall needle construction schematic diagram that broken wall component is punctured in percutaneous Gastroenteritic system；
Fig. 9 is that the utility model is intervened the broken wall pin of broken wall component is punctured in percutaneous Gastroenteritic system through hollow sheath
The structural representation of tube cavity；
Figure 10 is that the utility model intervenes stomach-abdominal wall retainer activity that broken wall component is punctured in percutaneous Gastroenteritic system
Channel position structural representation；
Figure 11 is the fixation fistula modular construction schematic diagram in the percutaneous Gastroenteritic system of the utility model intervention；
Figure 12 be in Figure 11 the movable fistula pushing hands end of outer layer along the hollow fistula of internal layer move up and down when, outer layer is bloomed deformation
Hold the structural representation for deformation of blooming；
Figure 13 is in Figure 12 after the movable fistula deformation of outer layer, and outer fixed seating is on the hollow fistula of internal layer and withstands on outer layer work
Dynamic fistula pushing hands end, outer locking cap is enclosed on the hollow fistula of internal layer and screws the structural representation being connected with outer fixed seat；
Figure 14 is the outer locking cap structural representation in Figure 13；
Figure 15 is the outer fixed seat structure schematic diagram in Figure 13；
Figure 16 is the open-ended anti-structural representation that backflows of the hollow fistula of internal layer in Figure 11；
Figure 17 is that puncture stomach-stomach wall fixation kit of the percutaneous Gastroenteritic system of the utility model intervention penetrates stomach wall, stomach
Structural representation after wall；
Figure 18 penetrates stomach wall, coat of the stomach backed off after random puncture needle, outer layer opening to puncture stomach-stomach wall fixation kit after Figure 17 steps
The structural representation fixed after deformed end deformation by fixed sleeving；
Figure 19 carries out abdomen after Figure 18 steps, to puncture stomach-stomach wall fixation kit as guiding by puncturing broken wall component
The structural representation of wall, stomach puncture fistula-building；
Figure 20 punctures the structural representation that stomach wall, stomach are introduced after hollow sheath after Figure 19 steps, to puncture broken wall component；
After Figure 21 is Figure 20 steps, the structural representation after the broken wall pin in hollow sheath is taken out；
Figure 22 be Figure 21 steps after, the structural representation of fixed fistula component is inserted by hollow sheath；
Figure 23 be Figure 22 steps after, outer layer activity fistula pushing hands end along the hollow fistula of internal layer move down when, outer layer is opened
Flower deformed end is bloomed the structural representation of deformation；
Figure 24 be Figure 23 steps after, take out fixed sleeving, restore stomach-abdominal wall retainer after withdraw stomach-abdominal wall retainer, take
Go out the structural representation of hollow sheath；
After Figure 25 is Figure 24 steps, by the fixed fistula component of outer fixed seat and outer locking cap, what stomach fistulization was completed
Structural representation；
In figure：1st, the hollow needle cannula of internal layer；21st, outer layer activity pushing hands end；22nd, outer layer shedding deformation end；3rd, puncture needle；4、
Fixed sleeving；5th, broken wall pin；51 strip grooves；6th, hollow sheath；61st, breach；7th, the hollow fistula of internal layer；81st, the movable fistula of outer layer
Pipe pushing hands end；82nd, cover film steel wire；9th, the enclosed elastic film with oblique otch；10th, outer locking cap；11st, outer fixed seat；
12nd, stomach wall；13rd, coat of the stomach；14th, fistula cap.
Embodiment
Technology contents, construction feature, the following knot of percutaneous Gastroenteritic system are intervened to describe the utility model in detail
Close embodiment and coordinate accompanying drawing to be described further.
As shown in Fig. 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, the utility model intervenes percutaneous stomach and intestine
Fistulization system is made up of puncture stomach-stomach wall fixation kit, puncture broken wall component and fixed fistula component, and concrete structure is：
As shown in Fig. 1,2,3,4,5,6, the puncture stomach-stomach wall fixation kit includes stomach-abdominal wall retainer, puncture needle 3
With fixed sleeving 4；Stomach-abdominal wall retainer is made up of the hollow needle cannula 1 of internal layer and the movable deformed casing of outer layer, outer layer activity deformation
Sleeve pipe includes the outer layer activity pushing hands end 21 of upper part and the outer layer shedding deformation end 22 of lower part, outer layer shedding deformation end 22
End is fixed on the outer surface of the hollow needle cannula 1 of internal layer, and there are two symmetrical parallel openings in axle at outer layer shedding deformation end 22；
When outer layer activity pushing hands end 21 is moved up and down along the hollow needle cannula 1 of internal layer, outer layer shedding deformation end 22 is while respectively to the left
(such as when pushing down on outer layer activity pushing hands end 21, just expansion is stretched in the lateral direction at outer layer shedding deformation end 22 for right direction deformation
Open deformation, when slowly pulling outer layer activity pushing hands end 21 upwards, outer layer shedding deformation end 22 just to inward side to it is flexible slowly
Return)；Coat of the stomach can be drawn against stomach wall by outer layer shedding deformation end 22 after deforming, and be led as the puncture for puncturing broken wall component
Draw.The internal diameter of the hollow needle cannula 1 of internal layer and the external diameter of puncture needle 3 coincide, and puncture needle 3 is through the hollow needle cannula 1 of internal layer
Inner chamber.The internal diameter of fixed sleeving 4 is coincide with the external diameter of the hollow needle cannula 1 of internal layer, and external diameter and the outer layer activity of fixed sleeving 4 are deformed
The external diameter of sleeve pipe is consistent；Fixed sleeving 4 is enclosed on outside the hollow needle cannula 1 of internal layer and end withstands on outer layer activity pushing hands end 21.
The head end of the hollow needle cannula 1 of internal layer is provided with external screw thread.The inner chamber head end of the fixed sleeving is provided with internal thread,
Fixed sleeving 4 is enclosed on outside the hollow needle cannula 1 of internal layer and end is withstood on behind outer layer activity pushing hands end 21, by internal thread and internal layer
The external screw thread of empty needle sleeve pipe 1 is connected.
Puncture needle 3 brings stomach-abdominal wall retainer into gastral cavity, exits puncture needle, and stomach-abdominal wall retainer can change form.
As shown in Fig. 7,8,9,10, the puncture broken wall component includes broken wall pin 5 and hollow sheath 6, the surface edge of broken wall pin 5
Direction of principal axis provided with strip groove 51, the lower end of hollow sheath 6 is provided with bar v notch v 61 along direction of principal axis, and bar v notch v 61 is with
Empty inner chamber is communicated, and the internal diameter of hollow sheath 6 coincide with the external diameter of broken wall pin 5；When broken wall pin 5 is through hollow 6 inner chamber of sheath, bar
Stomach-abdominal wall retainer active tunnel (eccentric channel) is formed after v notch v 61 is corresponding with the position of strip groove 51；Stomach-stomach wall is fixed
Device active tunnel is available for fixed sleeving 4 to pass through.Stomach-abdominal wall retainer turns into the guiding " seal wire " for puncturing broken wall component；Bar shaped lacks
Mouth 61 makes broken wall not limited by stomach-abdominal wall retainer when being needled into gastral cavity and persistently keep stomach-abdominal wall retainer to coat of the stomach
Drawing.
As shown in Figure 11,12,13,14,15,16, the fixed fistula component includes the hollow fistula 7 of internal layer, outer layer activity
Fistula, outer locking cap 10 and outer fixed seat 11.Outer layer activity fistula includes the movable fistula pushing hands end 81 of outer layer of upper part with
Partial outer layer is bloomed deformed end, and outer layer blooms deformed end for cover film steel wire 82, and the end of cover film steel wire 82 is affixed
On the outer surface of the hollow fistula 7 of internal layer；Outer layer activity fistula pushing hands end 81 along the hollow fistula 7 of internal layer move up and down when, cover
The deformation of blooming in the lateral direction respectively simultaneously of lid film steel wire 82 (such as when pushing down on the movable fistula pushing hands end 81 of outer layer, is covered
Lid film steel wire 82 just stretch out and be deformed into umbrella in the lateral direction by expansion, when slowly pulling the movable fistula pushing hands end 81 of outer layer upwards
When, cover film steel wire 82 is just to inward side to flexible slowly return)；The external diameter and hollow sheath 6 of the movable fistula of the outer layer
Internal diameter coincide, make to fix fistula component through in hollow sheath 6.After outer layer activity fistula deformation, outer fixed seat 11 is enclosed on
The movable fistula pushing hands end 81 of outer layer is pressed on the hollow fistula 7 of internal layer and simultaneously, outer locking cap 10 is enclosed on the hollow fistula 7 of internal layer simultaneously
Screw and be connected with outer fixed seat 11, as shown in figure 13.
The distal opening of the hollow fistula 7 of internal layer is provided with fistula cap 14 provided with anti-structure of backflowing, head end, and fistula cap 14 is protected
Protect fistula port.Anti- structure of backflowing is the enclosed elastic film with oblique otch, and the enclosed elastic film with oblique otch is natural
Fistula is closed in closure state, but the conduit class bar (such as gastrointestinal nutrition tube) of suitable thickness can directly break-through.
Percutaneous Gastroenteritic system work is intervened as Figure 17,18,19,20,21,22,23,24,25 show the utility model
Make the step schematic diagram of process.The job step that the utility model intervenes percutaneous Gastroenteritic system is specific as follows：
(intranasal esophagus put stomach tube → inflate → x-ray fluoroscopy magenblase through stomach tube) → selection abdomen wall puncture point → point of puncture local anaesthesia
→ stomach-abdominal wall retainer puncture needle 3, which is punctured, enters gastral cavity (such as Figure 17) → from stomach-abdominal wall retainer after stomach wall 12, coat of the stomach 13
Exit puncture needle 3 → can be explicitly shown from stomach-abdominal wall retainer injection contrast medium → direction pushes fixed sleeving 4 and is enclosed on into stomach
In the hollow needle cannula 1 of internal layer, while promoting outer layer activity pushing hands end 21, outer layer shedding deformation end 22 is gradually expanded in the lateral direction
Stretch out deformation → outer layer shedding deformation end 22 and deform helically paddle → coat of the stomach 13 and be drawn against stomach wall 12 → by fixed sleeving 4
Screw and fix stomach-abdominal wall retainer (such as Figure 18) → by puncture broken wall assembly set stomach-abdominal wall retainer → fixed along stomach-stomach wall
Device punctures stomach wall and coat of the stomach (such as Figure 19) → broken wall pin 5 and hollow sheath 6 enters gastral cavity (such as Figure 20) → fixed hollow sheath, takes
Go out broken wall pin 5 (such as Figure 21) → fixed fistula component is sent into stomach (such as Figure 22) along hollow sheath 6 → and fix the hollow fistula of internal layer
Pipe, pushes downwards the movable fistula pushing hands end 81 of outer layer, allows the umbrella portion of cover film steel wire 82 to open (such as Figure 23) → screw off stomach-stomach wall
The movable deformed casing of 4 → fixed outer layer of fixed sleeving of fixator, the hollow needle cannula 1 of internal layer is pushed downwards makes recovery stomach-stomach wall
Holder shape (cancellation propeller-like), the extraction hollow sheath 6 of stomach-abdominal wall retainer → taking-up (such as Figure 24) → hollow along internal layer
Fistula 7, which puts to push down after outer fixed seat 11 and outer locking cap 10, screws → the head end of the hollow fistula 7 of internal layer after the movable fistula of outer layer
Cover fistula cap 14 or feeding gastrointestinal nutrition tube → completion.
Above disclosed is only preferred embodiment of the present utility model, can not limit this practicality with this certainly new
The interest field of type, therefore the equivalent variations made according to the utility model claim, still fall within what the utility model was covered
Scope.
Claims (9)
1. the percutaneous Gastroenteritic system of intervention, it is characterised in that：By puncture stomach-stomach wall fixation kit, puncture broken wall component and solid
Determine fistula component composition；Puncture stomach-stomach wall the fixation kit includes stomach-abdominal wall retainer and puncture needle；Stomach-abdominal wall retainer
It is made up of the hollow needle cannula of internal layer and the movable deformed casing of outer layer, the outer layer activity that outer layer activity deformed casing includes upper part is pushed away
Hand end and the outer layer shedding deformation end of lower part, the end at outer layer shedding deformation end is fixed in the outer surface of the hollow needle cannula of internal layer
On；Outer layer activity pushing hands end along the hollow needle cannula of internal layer move up and down when, outer layer shedding deformation end right to the left respectively simultaneously
To deformation；The internal diameter of the hollow needle cannula of internal layer and the external diameter of puncture needle coincide, and puncture needle is through the hollow needle cannula of internal layer
Inner chamber；The puncture broken wall component includes broken wall pin and hollow sheath, and broken wall wire surface is provided with strip groove along direction of principal axis, in
The lower end of empty sheath is provided with bar v notch v along direction of principal axis, and bar v notch v is communicated with hollow cavity, and the internal diameter of hollow sheath is with breaking
The external diameter of wall pin coincide；When broken wall pin is through hollow sheath tube cavity, after bar v notch v is corresponding with strip groove position formed stomach-
Abdominal wall retainer active tunnel；The fixed fistula component includes the hollow fistula of internal layer and the movable fistula of outer layer, outer layer activity fistula
The outer layer at outer layer activity fistula pushing hands end and lower part that pipe includes part is bloomed deformed end, and outer layer is bloomed the end of deformed end
On the outer surface for being fixed in the hollow fistula of internal layer；Outer layer activity fistula pushing hands end along the hollow fistula of internal layer move up and down when, outside
Layer blooms deformed end while deformation of blooming in the lateral direction respectively；The external diameter and the internal diameter of hollow sheath of the movable fistula of the outer layer
It coincide, makes to fix fistula component through in hollow sheath.
2. percutaneous Gastroenteritic system is intervened as claimed in claim 1, it is characterised in that：Puncture stomach-stomach wall fixation the group
Part also includes fixed sleeving, and the internal diameter of fixed sleeving and the external diameter of the hollow needle cannula of internal layer coincide, the external diameter of fixed sleeving with it is outer
The external diameter of the movable deformed casing of layer is consistent；Fixed sleeving is enclosed on outside the hollow needle cannula of internal layer and end withstands on outer layer activity pushing hands
End.
3. percutaneous Gastroenteritic system is intervened as claimed in claim 1, it is characterised in that：The head of the hollow needle cannula of internal layer
End is provided with external screw thread.
4. percutaneous Gastroenteritic system is intervened as claimed in claim 1, it is characterised in that：The inner chamber head end of the fixed sleeving
Provided with internal thread.
5. percutaneous Gastroenteritic system is intervened as claimed in claim 1 or 2, it is characterised in that：The stomach-abdominal wall retainer is lived
Dynamic passage is available for fixed sleeving to pass through.
6. percutaneous Gastroenteritic system is intervened as claimed in claim 1, it is characterised in that：The end of the hollow fistula of internal layer
Opening is provided with fistula cap provided with anti-structure of backflowing, head end.
7. percutaneous Gastroenteritic system is intervened as claimed in claim 6, it is characterised in that：The anti-structure of backflowing is with oblique
The enclosed elastic film of shape otch.
8. percutaneous Gastroenteritic system is intervened as claimed in claim 1, it is characterised in that：The outer layer blooms deformed end to cover
Lid film structure of steel wire.
9. percutaneous Gastroenteritic system is intervened as claimed in claim 1, it is characterised in that：The fixed fistula component also includes
Outer locking cap and outer fixed seat；Outer layer activity fistula deformation after, outer fixed seating on the hollow fistula of internal layer and be pressed in outer layer work
Dynamic fistula pushing hands end, outer locking cap is enclosed on the hollow fistula of internal layer and screwed with outer fixed seat and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005770.6U CN206424127U (en) | 2016-08-31 | 2016-08-31 | Intervene percutaneous Gastroenteritic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621005770.6U CN206424127U (en) | 2016-08-31 | 2016-08-31 | Intervene percutaneous Gastroenteritic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206424127U true CN206424127U (en) | 2017-08-22 |
Family
ID=59588349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621005770.6U Expired - Fee Related CN206424127U (en) | 2016-08-31 | 2016-08-31 | Intervene percutaneous Gastroenteritic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206424127U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236209A (en) * | 2016-08-31 | 2016-12-21 | 吴宁 | Get involved percutaneous Gastroenteritic system |
| CN109260573A (en) * | 2018-11-22 | 2019-01-25 | 上海市东方医院 | The biliary extra-drainage pipe and its embedded device of anti-duodenofiberscope bleeding |
-
2016
- 2016-08-31 CN CN201621005770.6U patent/CN206424127U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236209A (en) * | 2016-08-31 | 2016-12-21 | 吴宁 | Get involved percutaneous Gastroenteritic system |
| CN106236209B (en) * | 2016-08-31 | 2018-09-04 | 吴宁 | Intervene percutaneous Gastroenteritic system |
| CN109260573A (en) * | 2018-11-22 | 2019-01-25 | 上海市东方医院 | The biliary extra-drainage pipe and its embedded device of anti-duodenofiberscope bleeding |
| CN109260573B (en) * | 2018-11-22 | 2021-04-02 | 上海市东方医院 | Biliary tract external drainage tube for preventing duodenal papilla hemorrhage and implanting device thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20180831 |