CN109172076A - Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with - Google Patents
Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with Download PDFInfo
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- CN109172076A CN109172076A CN201810867931.XA CN201810867931A CN109172076A CN 109172076 A CN109172076 A CN 109172076A CN 201810867931 A CN201810867931 A CN 201810867931A CN 109172076 A CN109172076 A CN 109172076A
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- Prior art keywords
- conduit
- seal wire
- secondary conduits
- wire
- fixing piece
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- 238000002601 radiography Methods 0.000 title claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 66
- 238000004804 winding Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims description 43
- 239000003814 drug Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims 1
- 210000000621 bronchi Anatomy 0.000 abstract description 23
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000002583 angiography Methods 0.000 description 14
- 230000003444 anaesthetic effect Effects 0.000 description 11
- 210000000214 mouth Anatomy 0.000 description 8
- 210000003128 head Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010016717 Fistula Diseases 0.000 description 1
- 206010060872 Transplant failure Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003890 fistula Effects 0.000 description 1
- 210000004704 glottis Anatomy 0.000 description 1
- 238000002697 interventional radiology Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/954—Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention relates to medical instruments fields, and in particular to a kind of multi-cavity air flue radiography wire catheter suit for conveying Y type airway stent, comprising: conduit, the first seal wire, the second seal wire, the first fixing piece, the second fixing piece；The front end of conduit is in bending, mutually independent leading lumen, secondary conduits chamber are offered in conduit, the setting of first seal wire is intracavitary in main pipe, and the second seal wire, which is arranged outside and stretching secondary conduits accent intracavitary in secondary conduits, to be bent, and the second seal wire is opposite with the overbending direction of conduit；First fixing piece, the structure of the second fixing piece are identical.Guide rail place mat is carried out to the merging of the first seal wire, the second seal wire using conduit, make two seal wires are synchronous to enter in two bronchuses, then conduit is decorporated from two seal wires, and the first seal wire, the second seal wire of conduit of decorporating smooth out with the fingers by two fixing pieces straight, it avoids there is a situation where winding mutually, in order to which Y type airway stent can be smoothly placed in two bronchuses by the first seal wire, the second seal wire.
Description
Technical field
The present invention relates to medical instruments fields, in particular to a kind of for conveying the multi-cavity air flue of Y type airway stent
Radiography wire catheter suit.
Background technique
Cause air flue knuckle area narrow or fistula various benign and malignant lesions, current most effective treatment method is to use
Interventional radiology method is placed in inverted Y-shaped airway stent.Catheter guide wire cooperation is respectively placed in a seal wire in left and right bronchus in advance, so
Inverted Y-shaped airway stent is placed in along seal wire afterwards.All it is single-chamber angiography catheter currently on the market, needs successively to set in left and right bronchus
Enter seal wire, not only extend operation time in this way, and two seal wires are easy to happen winding, causes bracket merging difficult very
To failure.Surgical procedure is relative complex, affects the wide popularization and application of this technology.
In actual operation, for doctor with single-chamber air flue angiography catheter when carrying out seal wire conveying, routine operation is that seal wire is adopted
With the mode conveyed twice, first it is passed through a laterobronchus and is passed through other side again later, such case often occurs seal wire and exists
Be distorted winding in transmission process, and appearance winding Shi doctor can generally hold Y type airway stent conveyer and rotate, and passes through
Rotation is implanted into Y type airway stent after making seal wire in order.This process complexity is cumbersome, and patient airway can not suck gas in operation
Body needs doctor that operation is being rapidly completed, in case patient has asphyxia risk, so being easy to make if seal wire can not be made in order the short time
Cannot normally discharge at Y type airway stent leads to graft failure, thus unnecessary pain and Y type air flue when causing patients surgery
The waste of bracket.
Also there is the two-chamber air flue angiography catheter of only a few on the market, glottis can be run through and enter air flue and in left and right branch
Tracheae is respectively implanted seal wire, but turns to opening by conduit side when bending into inside bronchus from the ipsilateral seal wire turned to
It is oriented to and is stretched out, too small may be caused because of steering open loop the angle too urgency and bending length of conduit side
Silk cannot pass through or seal wire is caused to occur rolling over bad situation appearance.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide one kind can smoothly be placed in being used for for Y type airway stent
Convey the multi-cavity air flue radiography wire catheter suit of Y type airway stent.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of multi-cavity air flue radiography wire catheter for conveying Y type airway stent provided by the invention is set with, comprising: conduit,
First seal wire, the second seal wire, the first fixing piece, the second fixing piece；The front end of conduit is in bending, is offered in conduit mutually solely
Vertical leading lumen, secondary conduits chamber, dominate bending front end and rear end of conduit of the lumen through conduit, and conduit bending place is far from leading
Secondary conduits accent is offered on the side of pipe bending front end, secondary conduits chamber runs through secondary conduits accent and rear end of conduit, and first leads
Silk setting is intracavitary in main pipe, and the second seal wire, which is arranged outside and stretching secondary conduits accent intracavitary in secondary conduits, to be bent, and second leads
The overbending direction of silk is opposite with the overbending direction of the bending of conduit；
First fixing piece, the structure of the second fixing piece are identical, include two valve fixed blocks；One end of two valve fixed blocks passes through one end
Head is connected, and two valve fixed blocks can be opened and be closed around end, and the other end of two valve fixed blocks is provided with buckle, two valve fixed blocks
It is formed on inner wall after closure closely convenient for corresponding two grooves for penetrating the first seal wire, the second seal wire.
Further, it is respectively formed in two valve fixed blocks closure rearward recess and is provided with unidirectional card, two in the first fixing piece
Unidirectional card is towards the second fixing piece, two the first fixing pieces of unidirectional cards direction in the second fixing piece.
Further, it is opened up on the opposite inner wall of two valve fixed blocks there are two semicircle groove, in each semicircle groove
It is provided with half of unidirectional card；It is formed after two valve fixed blocks closure there are two complete circular groove, shape in each circular groove
Cheng Youyi complete unidirectional cards.
Further, it dominates lumen to be located on conduit towards conduit bending side, secondary conduits chamber is located on conduit backwards
Conduit bending side.
Further, it dominates lumen to be located on conduit backwards to conduit bending side, secondary conduits chamber is located at direction on conduit
Conduit bending side；In conduit bending place, leading lumen and secondary conduits chamber mutually carry out spiral winding half-turn；Wire catheter set
Dress further includes branch conduit, and branch conduit, which is arranged outside and stretching secondary conduits accent intracavitary in secondary conduits, to be bent, the bending of branch conduit
The overbending direction of the bending of direction and conduit is on the contrary, the second seal wire is arranged in branch conduit.
Further, the part for secondary conduits accent being stretched out on branch conduit offers guide groove, is provided with and leads at secondary conduits accent
Item；When branch conduit stretches out secondary conduits accent, conducting bar, which is fastened in guide groove, carries out guiding to the stretching of branch conduit and to branch conduit
Extension elongation is limited；Branch conduit stretches out on secondary conduits accent part, on the bending part of conduit and the straight part of conduit
On be provided with mark.
Further, be also provided in conduit with leading lumen, secondary conduits chamber mutually independent medical fluid lumen, on conduit
Medical fluid hole is offered, medical fluid lumen runs through medical fluid hole and rear end of conduit.
Further, the quantity in medical fluid hole is two or more, and more than two medical fluid holes are uniform along the same circumference of conduit
It is arranged, offers a circle dipper on the same circumference tube wall of conduit.
Further, wire catheter suit further includes triangle pipe joint, and the rear end of triangle pipe joint and conduit connects,
Triangle pipe joint includes the major joint and sub-joint being connected, the first seal wire, the second seal wire end be pierced by outside major joint, it is secondary
Connector is connected to medical fluid lumen.
Further, wire catheter suit further includes bite and the head bandage with bite connection.
In multi-cavity air flue radiography wire catheter suit for conveying Y type airway stent of the invention, conduit is used first
Guide rail place mat is carried out to the merging of the first seal wire, the second seal wire, synchronizing two seal wires can smoothly enter into two bronchuses, then
Conduit is skidded off from two seal wires and is decorporated, and is carried out by first seal wire, second seal wire of two fixing pieces to conduit of decorporating
It smoothes out with the fingers directly, avoids there is a situation where winding mutually, in order to which Y type airway stent can smoothly be set by the first seal wire, the second seal wire
Enter in two bronchuses.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structure application drawing of wire catheter suit of the present invention；
Fig. 2 is the structure chart of wire catheter suit of the present invention；
Fig. 3 is a kind of cutaway view of angle of Fig. 2；
Fig. 4 is the cutaway view of Fig. 2 another kind angle；
Fig. 5 is the cutaway view that branch conduit stretches out latter angle in wire catheter suit of the present invention；
Fig. 6 is the cutaway view of another angle after the stretching of branch conduit in wire catheter suit of the present invention；
Fig. 7 is the structure chart that first seal wire, the second seal wire are mutually wound in wire catheter suit of the present invention；
Fig. 8 is the part-structure figure of Fig. 7；
Fig. 9 is the structure chart after wire catheter suit setting triangle pipe joint of the present invention；
Figure 10 is the cutaway view of Fig. 9；
Figure 11 is the main view of rear end of conduit in wire catheter suit of the present invention；
Figure 12 is the structure application drawing after conduit is decorporated in wire catheter of the present invention suit；
Figure 13 is wire catheter of the present invention suit and Y type airway stent is coupled figure；
Figure 14 is the structure chart of the first fixing piece, the second fixing piece in wire catheter suit of the present invention；
Wherein appended drawing reference are as follows: 1, conduit；2, the first seal wire；3, the second seal wire；4, the first fixing piece；5, the second fixing piece；6,
Leading lumen；7, secondary conduits chamber；8, secondary conduits accent；9, end；10, it buckles；11, groove；12, unidirectional card；13, branch is led
Pipe；14, guide groove；15, conducting bar；16, mark；17, medical fluid lumen；18, medical fluid hole；19, dipper；20, major joint；21, pair connects
Head；22, it is difficult to articulate；23, head bandage；24, main tracheae；25, bronchus；26, Y type air flue conveyer.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
As shown in Fig. 1 to 14, the embodiment of the present invention it is a kind of for conveying the multi-cavity air flue radiography seal wire of Y type airway stent
Conduit suit, comprising: conduit 1, the first seal wire 2, the second seal wire 3, the first fixing piece 4, the second fixing piece 5；The front end of conduit 1 is in
Bending offers mutually independent leading lumen 6, secondary conduits chamber 7 in conduit 1, dominates the bending that lumen 6 runs through conduit 1
Front end and 1 rear end of conduit, 1 bending place of conduit offer secondary conduits accent 8 on the side far from 1 bending front end of conduit, and pair is led
Lumen 7 is arranged in leading lumen 6 through secondary conduits accent 8 and 1 rear end of conduit, the first seal wire 2, and the second seal wire 3 is arranged in pair
It is bent in catheter lumen 7 and outside stretching secondary conduits accent 8, the bending of the bending of the overbending direction and conduit 1 of the second seal wire 3
It is contrary；
First fixing piece 4, the structure of the second fixing piece 5 are identical, include two valve fixed blocks；One end of two valve fixed blocks passes through one
End 9 is connected, and two valve fixed blocks can be opened and be closed around end 9, and the other end of two valve fixed blocks is provided with buckle 10, two valves
It is formed on inner wall after fixed block closure closely convenient for corresponding two grooves 11 for penetrating the first seal wire 2, the second seal wire 3.This
The groove 11 at place can slap together for both sides, be also possible to only exist on individual one side inner wall, penetrate seal wire as long as meeting
?.
1 material of conduit is polyvinyl chloride, and for 1 shape of conduit similar to L shape, bending place is arc transition, and bending angle is obtuse angle,
Long and straight section is cylinder, and short section has certain taper, and end is round-corner transition, convenient for entering accurate location across tracheae.
In multi-cavity air flue radiography wire catheter suit for conveying Y type airway stent of the invention, conduit 1 is used first
Guide rail place mat is carried out to the merging of the first seal wire 2, the second seal wire 3, synchronizing two seal wires can smoothly enter into two bronchuses 25,
Then conduit 1 is skidded off from two seal wires and is decorporated, and the first seal wire 2 of conduit 1 of decorporating, second are led by two fixing pieces
Silk 3 smooth out with the fingers directly, avoids there is a situation where winding mutually, in order to which Y type airway stent can be led by the first seal wire 2, second
Silk 3 is smoothly in two bronchuses 25 of merging.
In as a preferred technical scheme, it is respectively formed in two valve fixed blocks closure rearward recess 11 and is provided with unidirectional card 12,
Two unidirectional cards 12 are towards the second fixing piece 5 in first fixing piece 4, and two unidirectional cards 12 are towards in the second fixing piece 5
One fixing piece 4.More easily the first seal wire 2, the second seal wire 3 can smooth out with the fingers directly, because of two fixing pieces using unidirectional card 12
In unidirectional card 12 towards opposite, one of fixing piece can be used to fix seal wire, another fixing piece carries out sliding and smoothes out with the fingers
Directly.
In as a preferred technical scheme, opened up on the opposite inner wall of two valve fixed blocks there are two semicircle groove 11, often
Half of unidirectional card 12 is provided in a semicircle groove 11；Complete circular groove there are two being formed after two valve fixed blocks closure
11, a complete unidirectional card 12 is formed in each circular groove 11, in this way can more convenient, stress more evenly, it is more steady
It is fixed reliable.
In as a preferred technical scheme, leading lumen 6 is located on conduit 1 backwards to 1 bending side of conduit, secondary conduits chamber
7 are located on conduit 1 towards 1 bending side of conduit；In 1 bending place of conduit, lumen 6 is dominated with secondary conduits chamber 7 and mutually carries out spiral shell
Rotation winding half-turn；Wire catheter suit further includes branch conduit 13, and branch conduit 13 is arranged in secondary conduits chamber 7 and stretches out secondary conduits chamber
It is bent outside mouth 8, the overbending direction of the bending of the overbending direction and conduit 1 of branch conduit 13 is on the contrary, the setting of the second seal wire 3 exists
In branch conduit 13.
Leading lumen 6 is internally provided with the first seal wire 2, and secondary conduits chamber 7 is internally provided with branch conduit 13, inside branch conduit 13
It is cased with the second seal wire 3,13 front end area of branch conduit is designed as the characteristic with flexure mems, when branch conduit 13 is from conduit 1
When 7 front end of secondary conduits chamber is stretched out, secondary conduits accent 8 is to away from 1 end 5CM of conduit, under the action of flexure mems, branch conduit 13
Section of stretching out will appear bending, and the curvature of the bending section of branch conduit 13 and 1 bending section of conduit is symmetrical so that
When the second seal wire 3 of the first seal wire 2 of 1 front end of conduit and 13 front end of branch conduit stretches out, the first seal wire 2 divides with the second seal wire 3
It is inequal with the angle of 1 long and straight section axis of conduit, so that it is respective corresponding to be passed through the first seal wire 2 can smoothly with the second seal wire 3
Bronchus 25 in.
In as a preferred technical scheme, the part that secondary conduits accent 8 is stretched out on branch conduit 13 offers guide groove 14, and pair is led
Conducting bar 15 is provided at lumen mouth 8；When branch conduit 13 stretches out secondary conduits accent 8, conducting bar 15 is fastened in guide groove 14 to branch conduit
13 stretching be oriented to and limit to the extension elongation of branch conduit 13；On the stretching of branch conduit 13 8 part of secondary conduits accent,
Mark 16 is provided on the bending part of conduit 1 and on the straight part of conduit 1.
1 bending place both ends outer tube wall of conduit is inlaid with mark 16, develops convenient for radiography.13 front end end fixing sleeve of branch conduit
There is mark 16,13 front end outer wall of branch conduit is axially disposed guide groove 14, and guide groove 14 extends to conduit 1 from 13 front end of branch conduit
8 inner side of secondary conduits accent, being fixed as one on the inside of the secondary conduits accent 8 of conduit 1 has conducting bar 15 outstanding, and conducting bar 15 is stuck in branch
In the guide groove 14 of conduit 13, when branch conduit 13 moves axially inside secondary conduits chamber 7, conducting bar 15 can play branch conduit 13
It to guiding role, turn to branch conduit 13 will not, when branch conduit 13 stretches out towards just after the 13 front end bending of branch conduit
25 direction of face bronchus, after 13 front end bending section of branch conduit stretches out, 15 pairs of branch conduits 13 of conducting bar of secondary conduits accent 8 are played
Position-limiting action extend branch conduit 13 will not excessively.
In as a preferred technical scheme, it is also provided in conduit 1 mutually independent with leading lumen 6, secondary conduits chamber 7
Medical fluid lumen 17 offers medical fluid hole 18 on conduit 1, and medical fluid lumen 17 is through medical fluid hole 18 and 1 rear end of conduit.
Conduit 1 is internally provided with three catheter lumens, respectively leading lumen 6, secondary conduits chamber 7, medical fluid lumen 17, and three
Catheter lumen is non-interference independently of each other, and the whole tendency for dominating lumen 6 is consistent with the shape tendency of conduit 1, from the tail end of conduit 1
The front end for extending to 1 bending place of conduit is run through, and the upper position inside 1 long and straight section region of conduit of lumen 6 is dominated, and conduit 1 is long straight
Upper position is provided with secondary conduits chamber 7 inside section region, and dominating lumen 6 with secondary conduits chamber 7 is length in 1 long and straight section region of conduit
Straight cylindrical section, and leading lumen 6 and secondary conduits chamber 7 are mutually indepedent non-interference, in the area close to 1 arc section starting point of conduit
Dominate lumen 6 at the position of domain, inside conduit 1 and mutually carry out spiral winding half-turn with secondary conduits chamber 7, spiral winding half-turn it
Afterwards, secondary conduits chamber 7 is interchangeable with the relative position in leading 6 up and down direction of lumen, while after spiral winding, secondary conduits chamber
7 direction follows the trend of spiral winding section that the tube wall above conduit 1 of taking advantage of a situation of secondary conduits chamber 7 is run through, so that secondary conduits chamber 7
The second internal seal wire 3 can have the arc of curvature and arc of curvature gentle enough of sufficient length in the bending section for entering bronchus 25
Pass through for the second seal wire 3, when preventing from 7 long and straight section of secondary conduits chamber being placed in leading 6 upside of lumen, is needed at secondary conduits accent 8
Bending angle too urgency and bending length is too small when setting bending turns to causes the second seal wire 3 that cannot pass through or leads to the
There is folding bad situation in two seal wires 3.Leading lumen 6 direction after half-turn helical winds section continues to follow 1 shape tendency one of conduit
Until running through up to 1 front end of conduit, leading lumen 6 is the inside of conduit 1 in spiral winding section with secondary conduits chamber 7, without departing from
1 tube wall of conduit, while leading lumen 6 will not interfere independently of each other with secondary conduits chamber 7, while the internal diameter of leading lumen 6 is small
In the internal diameter of secondary conduits chamber 7.
In as a preferred technical scheme, the quantity in medical fluid hole 18 is two or more, and more than two medical fluid holes 18 are along leading
The same circumference of pipe 1 is uniformly arranged, and offers a circle dipper 19 on the same circumference tube wall of conduit 1.
It is installed from tail end to the long and straight section spare bits close to arc section region inside conduit 1 and is equipped with medical fluid lumen 17, medical fluid
Lumen 17 is provided with perforative medical fluid hole 18 along 1 tube wall normal orientation of conduit is two-way in the end of 1 circular arc side of conduit, in corresponding medical fluid
It is provided with a circle dipper 19 on the tube wall in hole 18, anesthetic is passed through in dipper 19, anesthetic is flowed through by medical fluid lumen 17
Medical fluid hole 18, then flowed into dipper 19 by medical fluid hole 18, anesthetic can be made to carry out air flue lumen wall mucous membrane uniform
Anesthesia, be not in the non-uniform situation in part.
In as a preferred technical scheme, wire catheter suit further includes triangle pipe joint, triangle pipe joint with lead
The rear end of pipe 1 connects, and triangle pipe joint includes the major joint 20 and sub-joint 21 being connected, the first seal wire 2, the second seal wire 3
End be pierced by outside major joint 20, sub-joint 21 is connected to medical fluid lumen 17.
1 rear end of conduit has been fixedly and coaxially connected triangle pipe joint, wherein the connector of oblique fixation is sub-joint 21, and leads
The connector that pipe 1 is coaxially connected with is major joint 20, and the first seal wire 2 extends from major joint 20 with 13 rear end of branch conduit, second
Seal wire 3 extends from 13 rear end of branch conduit, can carry out at major joint 20 to the first seal wire 2, branch conduit 13 and the second seal wire 3
Control is connected to medical fluid lumen 17 at sub-joint 21, can be by sub-joint 21 to injecting anesthetic inside conduit 1.
In as a preferred technical scheme, wire catheter is set with the head bandage for further including bite 22 and connecting with bite 22
23, it is convenient for mouth and stings operation.
When being treated, wire catheter is set in merging patient oral cavity, 1 front end elbow of conduit just alignment sound
Door, enters in the main tracheae 24 of air flue under seal wire cooperation, and syringe is docked sub-joint 21, anaesthetic is injected into conduit 1
Medical fluid lumen 17 in, anesthetic flows through medical fluid hole 18 by medical fluid lumen 17, then is flowed into dipper 19 by medical fluid hole 18, can
So that anesthetic uniformly anaesthetizes air flue lumen wall mucous membrane, is not in the non-uniform situation in part, then will
Wire catheter set feed into the bronchus 25 of side, and secondary conduits accent 8 just corresponds to the bronchus 25 of the other side, then to Forward
Dynamic branch conduit 13, when branch conduit 13 is stretched out from 7 front end of secondary conduits chamber of conduit 1, under the action of flexure mems, branch conduit
13 section of stretching out to will appear bending, and the curvature of the bending section of branch conduit 13 and 1 bending section of conduit be it is symmetrical,
Enable branch conduit 13 be accurately sent into bronchus 25 and 13 front end end of branch conduit towards face bronchus 25, when
When first seal wire 2 of 1 front end of conduit and the second seal wire 3 of 13 front end of branch conduit stretch out, the first seal wire 2 and the second seal wire 3 are distinguished
It is equal with the angle of 1 long and straight section axis of conduit, so that it is corresponding to be passed through the first seal wire 2 can smoothly with the second seal wire 3
In bronchus 25.
After the completion of the first seal wire 2 and the arrangement of the second seal wire 3, needs that seal wire is fixed at this time, prevent seal wire mutual
Wind conveying of the consequent effects Y type air flue conveyer 26 to Y type bracket on seal wire.Wire catheter suit is taken out from oral cavity,
Seal wire rear end is still through in conduit 1 at this time, bite 22 is put into patient oral cavity across conduit 1, patient is allowed to bite 22 general of bite
Supporting oral cavity is opened, solid with the first fixing piece 4 and second on the seal wire of 22 regional locations of bite between bite 22 and conduit 1
Determine the clamping of part 5, the first fixing piece 4 is identical as 5 structure of the second fixing piece, is two valves composition, wherein by two at the end 9 of one end
Valve is connected with each other, and two valve fixed blocks is allow to open and be closed around junction, and the port of the other end is provided with buckle 10, can be with
Two valves can be fastened by buckling buckle 10 after two valves closure, semicircle groove 11 there are two settings on every valve fixed block, and two and half
11 interphase of round recessed is separated with a distance, after two valve fixed blocks closure, forms two complete circular grooves 11, every valve
The semicircle groove 11 of fixed block is fixedly installed half of unidirectional card 12, the same circular groove 11 after two valve fixed blocks close
Unidirectional card 12 combines completely, list of the unidirectional card 12 inside the first fixing piece 4 towards external side, inside the second fixing piece 5
To card 12 towards 22 directions of being difficult to articulate, unidirectional card 12 can carry out clamping limitation to the trend that seal wire is moved to specific direction, this
The first fixing piece 4 may only be pulled along seal wire to 22 directions of bite if sample, while the internal diameter of bite 22 is fixed less than first
The outer diameter of part 4, such first fixing piece 4 remain in an opposite fixed area, and the second fixing piece 5 may only be along seal wire
Pulled to 22 opposite directions of bite, the first fixing piece 4 relative to seal wire far from conduit 1 then pulled out seal wire, then by seal wire,
The position of first fixing piece 4 and oral cavity bite 22 is relatively fixed, pulls the second fixing piece 5 along seal wire, make the first fixing piece 4 with
There are sufficiently long seal wire between second fixing piece 5, so that the tail end of fixed block and seal wire is there are at a distance from 2-3 centimeters, at this time
Seal wire between first fixing piece 4 and the second fixing piece 5 is not wound, and seal wire tail end end is then penetrated the conveying of Y type air flue
In the conduit of device 26, the second fixing piece 5 opening is removed at this time, it is defeated that the seal wire of 4 rear side of the first fixing piece is passed through Y type air flue
In the conduit for sending device 26, then remove the first fixing piece 4, the Y type air flue conveyer 26 for being placed with Y type airway stent is fed through gas
Road corresponding position.This process steps is that seal wire is passed through Y type air flue after withdrawing from and detaching wire catheter suit in order to prevent is defeated
Sending seal wire during device 26, there is a situation where windings mutually.
In as a preferred technical scheme, leading lumen 6 is located on conduit 1 towards 1 bending side of conduit, secondary conduits chamber
7 are located on conduit 1 backwards to 1 bending side of conduit.
Three chamber air flue angiography catheters 1 can be substituted with two-chamber air flue angiography catheter 1, referring to Figure 10-11, two-chamber air flue radiography
The shape of conduit 1 is identical as three chamber air flue angiography catheters 1, and lumen 6 and secondary conduits chamber 7 are dominated inside two-chamber air flue angiography catheter 1
The structure of spiral winding is not provided at the regional location close to 1 arc section starting point of conduit, in two-chamber air flue angiography catheter 1
Portion dominates the downside that lumen 6 is always positioned at secondary conduits chamber 7, while leading lumen 6 follows 1 shape of conduit to walk from the tail end of conduit 1
Gesture reaches up to 1 front end of conduit and runs through, and secondary conduits chamber 7 rises after the cylindrical shape by long and straight section close to 1 arc section of conduit
The regional location at beginning is to carrying out on the upside of conduit 1 being bent and through 1 upper tube wall of conduit, and secondary conduits accent 8 is to away from 1 end of conduit
5CM does not need to be passed through branch conduit 13 in this scheme in secondary conduits chamber 7, is passed directly into and leads in leading lumen 6 and secondary conduits chamber 7
Silk is dominated 6 inside seal wire of lumen and is directly stretched out from 1 front end of conduit, and 7 inside seal wire of secondary conduits chamber is bent by secondary conduits chamber 7
When stretching out after the curved guide of section, seal wire is just towards its corresponding bronchus 25, inside leading lumen 6 and secondary conduits chamber 7
After seal wire stretches out, the angle between two seal wires and 1 long and straight section axis of conduit is equal, while two seal wires are long relative to conduit 1
Straight section axisymmetrical, so that two seal wires can be smoothly passed through in corresponding bronchus 25.
Innovative point and beneficial effect of the invention at least that:
1. conduit 1 is internally provided with three catheter lumens, respectively leading lumen 6, secondary conduits chamber 7, medical fluid lumen 17, three lumens
It is mutually indepedent non-interference.
2. dominating lumen 6 and 7 phase of secondary conduits chamber inside conduit 1 at the regional location close to 1 arc section starting point of conduit
Spiral winding half-turn is mutually carried out, the opposite position after spiral winding half-turn, on secondary conduits chamber 7 and leading 6 up and down direction of lumen
It sets and is interchangeable, while after spiral winding, the direction of secondary conduits chamber 7 follows the trend of spiral winding section to make secondary conduits chamber 7
The tube wall above conduit 1 of taking advantage of a situation runs through, and leading lumen 6 direction after half-turn helical winds section continues that 1 shape of conduit is followed to walk
Gesture reaches up to 1 front end of conduit and runs through, and enables the second seal wire 3 inside secondary conduits chamber 7 in the bending section for entering bronchus 25
The arc of curvature and arc of curvature gentle enough for having sufficient length pass through for the second seal wire 3, prevent 7 long and straight section of secondary conduits chamber
The too anxious bending length of bending angle is too small when needing to be arranged bending steering when being placed in leading 6 upside of lumen, at secondary conduits accent 8 leads
It causes the second seal wire 3 that cannot pass through or the second seal wire 3 is caused folding bad situation occur.
3. secondary conduits chamber 7 is internally provided with branch conduit 13, the second seal wire 3,13 front end of branch conduit are cased with inside leading lumen 6
Region is designed as the characteristic with flexure mems, when branch conduit 13 is stretched out from 7 front end of secondary conduits chamber of conduit 1, is being bent
Under the action of Memorability, the section of stretching out of branch conduit 13 is to will appear bending, and the bending section of branch conduit 13 and 1 bending section of conduit
Curvature be symmetrical so that when the first seal wire 2 of 1 front end of conduit and the second seal wire 3 of 13 front end of branch conduit stretch out
When, the first seal wire 2 is equal with the angle of 1 long and straight section axis of conduit respectively with the second seal wire 3.
4. being installed from tail end to the long and straight section spare bits close to arc section region inside conduit 1 and being equipped with medical fluid lumen 17, medicine
Liquid pipe chamber 17 is provided with perforative medical fluid hole 18 along 1 tube wall normal orientation of conduit is two-way in the end 9 of 1 circular arc side of conduit, in correspondence
It is provided with a circle dipper 19 on the tube wall in medical fluid hole 18, anesthetic is passed through in dipper 19, anesthetic passes through medical fluid lumen 17
Medical fluid hole 18 is flowed through, then is flowed into dipper 19 by medical fluid hole 18, anesthetic can be made to carry out air flue lumen wall mucous membrane
Uniform anesthesia is not in the non-uniform situation in part.
5. 13 front end outer wall of conduit is axially disposed guide groove 14, guide groove 14 extends to secondary conduits from 13 front end of branch conduit
8 inner side of accent, being fixed as one on the inside of the secondary conduits accent 8 of conduit 1 has conducting bar 15 outstanding, and conducting bar 15 is stuck in branch conduit 13
Guide groove 14 in, when branch conduit 13 moves axially inside secondary conduits chamber 7, conducting bar 15 can play guiding to branch conduit 13
Effect, turn to branch conduit 13 will not, when branch conduit 13 stretches out towards just face branch after the 13 front end bending of branch conduit
25 direction of tracheae.
6. 1 rear end of conduit has been fixedly and coaxially connected triangle pipe joint, wherein the connector of oblique fixation is sub-joint 21, with
The connector that conduit 1 is coaxially connected with is major joint 20, and the first seal wire 2 extends from major joint 20 with 13 rear end of branch conduit, the
Two seal wires 3 extend from 13 rear end of branch conduit, can at major joint 20 to the first seal wire 2, branch conduit 13 and the second seal wire 3 into
Row control, medical fluid lumen 17 is connected at sub-joint 21, can be by sub-joint 21 to injecting anesthetic inside conduit 1.
7. solid with the first fixing piece 4 and second on the seal wire of 22 regional locations of bite between bite 22 and conduit 1
Determine the clamping of part 5, the first fixing piece 4 is identical with 5 structure of the second fixing piece, is that two valves form, wherein the end 9 of one end is by two valves
It is connected with each other, so that two valve fixed blocks is opened and is closed around junction, the port of the other end is provided with buckle 10, can work as
Two valve fixed blocks can be fastened by buckling buckle 10 after two valve fixed blocks closure, and there are two semicircle grooves for setting on every valve fixed block
11, two 11 interphases of semicircle groove are separated with a distance, and after two valve fixed blocks closure, it is recessed to form two complete circles
Slot 11.
8. the semicircle groove 11 of every valve fixed block is fixedly installed half of unidirectional card 12, same after two valve fixed blocks close
The unidirectional card 12 of one circular groove 11 combines completely, and the unidirectional card 12 inside the first fixing piece 4 is solid towards external side, second
Determine unidirectional card 12 inside part 5 towards 22 directions of being difficult to articulate, unidirectional card 12 can to the trend that seal wire is moved to specific direction into
Row clamping limitation, in this case the first fixing piece 4 may only be pulled along seal wire to 22 directions of bite, while the internal diameter of bite 22
Less than the outer diameter of the first fixing piece 4, such first fixing piece 4 remains in an opposite fixed area, the second fixing piece 5
It can be pulled along seal wire to 22 opposite directions of bite.
9. three chamber air flue angiography catheters 1 can be substituted with two-chamber air flue angiography catheter 1, outside two-chamber air flue angiography catheter 1
Shape is identical as three chamber air flue angiography catheters 1, and lumen 6 is dominated inside two-chamber air flue angiography catheter 1 with secondary conduits chamber 7 close to conduit
It is not provided with the structure of spiral winding at the regional location of 1 arc section starting point, lumen is dominated inside two-chamber air flue angiography catheter 1
6 are always positioned at the downside of secondary conduits chamber 7.
10. connecing at above-mentioned 9th point, do not need to be passed through branch conduit 13 in secondary conduits chamber 7, dominate in lumen 6 and secondary conduits chamber 7
It is passed directly into seal wire, 6 inside seal wire of lumen is dominated and is directly stretched out from 1 front end of conduit, 7 inside seal wire of secondary conduits chamber is led by pair
When stretching out after the curved guide of 7 bending section of lumen, seal wire is just towards its corresponding bronchus 25, when leading lumen 6 is led with pair
After 7 inside seal wire of lumen stretches out, the angle between two seal wires and 1 long and straight section axis of conduit is equal, while two seal wires are opposite
In 1 long and straight section axisymmetrical of conduit, so that two seal wires can be smoothly passed through in corresponding bronchus 25.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with characterized by comprising conduit,
First seal wire, the second seal wire, the first fixing piece, the second fixing piece；The front end of the conduit is in bending, is opened up in the conduit
There are mutually independent leading lumen, secondary conduits chamber, bending front end and the conduit of the leading lumen through the conduit
Rear end offers secondary conduits accent, the secondary conduits on the side of the conduit bending place far from conduit bending front end
For chamber through the secondary conduits accent and the rear end of conduit, the first seal wire setting is intracavitary in the main pipe, and described second
Seal wire, which is arranged outside and the stretching secondary conduits accent intracavitary in the secondary conduits, to be bent, the overbending direction of second seal wire
It is opposite with the overbending direction of the bending of the conduit；
First fixing piece, the structure of the second fixing piece are identical, include two valve fixed blocks；One end of fixed block described in two valves
It is connected by an end, fixed block described in two valves can be opened and be closed around the end, the other end of fixed block described in two valves
It is provided with buckle, is formed on the inner wall after the closure of fixed block described in two valves closely and penetrates first seal wire, the convenient for corresponding
Two grooves of two seal wires.
2. wire catheter suit according to claim 1, which is characterized in that the groove after the closure of fixed block described in two valves
It is inside respectively formed and is provided with unidirectional card, two unidirectional cards are towards second fixing piece, institute in first fixing piece
Two unidirectional cards are stated in the second fixing piece towards first fixing piece.
3. wire catheter suit according to claim 2, which is characterized in that on the opposite inner wall of fixed block described in two valves
It opens up there are two semicircle groove, is provided with half of unidirectional card in each semicircle groove；Fixed block described in two valves
It is formed after closure there are two complete circular groove, is formed with the complete unidirectional card in each circular groove
Piece.
4. wire catheter suit according to claim 1, which is characterized in that the leading lumen is located at court on the conduit
To conduit bending side, the secondary conduits chamber is located on the conduit backwards to conduit bending side.
5. wire catheter suit according to claim 1, which is characterized in that the leading lumen, which is located on the conduit, to be carried on the back
To conduit bending side, the secondary conduits chamber is located on the conduit towards conduit bending side；Described
Conduit bending place, the leading lumen and the secondary conduits chamber mutually carry out spiral winding half-turn；The wire catheter suit is also
Including branch conduit, the branch conduit, which is arranged outside and the stretching secondary conduits accent intracavitary in the secondary conduits, to be bent, described
The overbending direction of the bending of the overbending direction of branch conduit and the conduit is on the contrary, second seal wire is arranged in the branch conduit
It is interior.
6. wire catheter suit according to claim 5, which is characterized in that stretch out the secondary conduits chamber on the branch conduit
The part of mouth offers guide groove, is provided with conducting bar at the secondary conduits accent；When the branch conduit stretches out the secondary conduits accent,
The conducting bar be fastened on stretchings of the branch conduit be oriented in the guide groove and to the extension elongation of the branch conduit into
Row limit；The branch conduit stretches out on secondary conduits accent part, on the bending part of the conduit and the conduit it is straight
Section is provided with mark on part.
7. wire catheter suit according to claim 1, which is characterized in that be also provided in the conduit and dominated with described
Lumen, secondary conduits chamber mutually independent medical fluid lumen offer medical fluid hole on the conduit, and the medical fluid lumen is through described
Medical fluid hole and the rear end of conduit.
8. wire catheter suit according to claim 7, which is characterized in that the quantity in the medical fluid hole is two or more,
More than two medical fluid holes are uniformly arranged along the same circumference of the conduit, are opened up on the same circumference tube wall of the conduit
There is a circle dipper.
9. wire catheter suit according to claim 7, which is characterized in that the wire catheter suit further includes that triangle is led
Pipe fitting, the triangle pipe joint are connect with the rear end of the conduit, and the triangle pipe joint includes that the master being connected connects
Head and sub-joint, first seal wire, the second seal wire end be pierced by outside the major joint, the sub-joint and the drug liquid tube
Chamber connection.
10. wire catheter suit according to claim 1, which is characterized in that the wire catheter suit further includes bite
And the head bandage with the bite connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867931.XA CN109172076A (en) | 2018-08-02 | 2018-08-02 | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867931.XA CN109172076A (en) | 2018-08-02 | 2018-08-02 | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109172076A true CN109172076A (en) | 2019-01-11 |
Family
ID=64920383
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810867931.XA Pending CN109172076A (en) | 2018-08-02 | 2018-08-02 | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with |
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| CN (1) | CN109172076A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620492A (en) * | 2019-01-31 | 2019-04-16 | 郑州大学第附属医院 | Through duodenofiberscope Retrograde device under Y type biliary tract rack scope |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402338Y (en) * | 1999-06-30 | 2000-10-25 | 马雪松 | Medicine infusion type tracheal catheter |
| US20010049548A1 (en) * | 1999-06-04 | 2001-12-06 | Gil Vardi | Bifurcation lesion stent delivery using multiple guidewires |
| US20020147491A1 (en) * | 1999-11-22 | 2002-10-10 | Khan I. John | Stent delivery system having a fixed guidewire |
| US20070112407A1 (en) * | 2005-11-14 | 2007-05-17 | Boston Scientific Scimed, Inc. | Twisting bifurcation delivery system |
| CN101912322A (en) * | 2004-03-04 | 2010-12-15 | Y医疗有限公司 | Stent delivery system |
| CN102500028A (en) * | 2011-10-18 | 2012-06-20 | 张海山 | One-lung ventilation integrated device of single-cavity trachea catheter and bronchus blocking device |
| CN205181966U (en) * | 2015-11-06 | 2016-04-27 | 深圳迈德科技有限公司 | Little pipe of two -chamber |
| CN205181954U (en) * | 2015-10-09 | 2016-04-27 | 鞍山钢铁集团公司总医院 | Be used for anesthetic two -chamber endotracheal tube of thoracic operation |
| CN205215891U (en) * | 2015-12-03 | 2016-05-11 | 高超 | Heating anesthesia type endotracheal tube |
| CN205626661U (en) * | 2016-03-15 | 2016-10-12 | 焦德超 | Multi -functional gas tube sheath pipe |
| CN209107693U (en) * | 2018-08-02 | 2019-07-16 | 郑州大学第一附属医院 | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with |
-
2018
- 2018-08-02 CN CN201810867931.XA patent/CN109172076A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010049548A1 (en) * | 1999-06-04 | 2001-12-06 | Gil Vardi | Bifurcation lesion stent delivery using multiple guidewires |
| CN2402338Y (en) * | 1999-06-30 | 2000-10-25 | 马雪松 | Medicine infusion type tracheal catheter |
| US20020147491A1 (en) * | 1999-11-22 | 2002-10-10 | Khan I. John | Stent delivery system having a fixed guidewire |
| CN101912322A (en) * | 2004-03-04 | 2010-12-15 | Y医疗有限公司 | Stent delivery system |
| US20070112407A1 (en) * | 2005-11-14 | 2007-05-17 | Boston Scientific Scimed, Inc. | Twisting bifurcation delivery system |
| CN102500028A (en) * | 2011-10-18 | 2012-06-20 | 张海山 | One-lung ventilation integrated device of single-cavity trachea catheter and bronchus blocking device |
| CN205181954U (en) * | 2015-10-09 | 2016-04-27 | 鞍山钢铁集团公司总医院 | Be used for anesthetic two -chamber endotracheal tube of thoracic operation |
| CN205181966U (en) * | 2015-11-06 | 2016-04-27 | 深圳迈德科技有限公司 | Little pipe of two -chamber |
| CN205215891U (en) * | 2015-12-03 | 2016-05-11 | 高超 | Heating anesthesia type endotracheal tube |
| CN205626661U (en) * | 2016-03-15 | 2016-10-12 | 焦德超 | Multi -functional gas tube sheath pipe |
| CN209107693U (en) * | 2018-08-02 | 2019-07-16 | 郑州大学第一附属医院 | Multi-cavity air flue radiography wire catheter for conveying Y type airway stent is set with |
Non-Patent Citations (3)
| Title |
|---|
| 任克伟 等: "胸腔胃-气道瘘:双Y型气道覆膜支架置入治疗研究", 医学与哲学(B), vol. 33, no. 05, 31 May 2012 (2012-05-31), pages 29 - 31 * |
| 李智 等: "全麻下双导丝逐级引导Y型气道支架置入术治疗复杂气道病变", 广东医学, vol. 38, no. 01, 31 January 2017 (2017-01-31), pages 118 - 120 * |
| 韩新巍 等: "气管倒Y型一体化支架及输送系统的设计与初步临床应用", 放射学实践, vol. 22, no. 10, 31 October 2007 (2007-10-31), pages 1098 - 1100 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109620492A (en) * | 2019-01-31 | 2019-04-16 | 郑州大学第附属医院 | Through duodenofiberscope Retrograde device under Y type biliary tract rack scope |
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