CN106804102A - Biliary tract is with taking stone sacculus - Google Patents
Biliary tract is with taking stone sacculus Download PDFInfo
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- CN106804102A CN106804102A CN201580050114.XA CN201580050114A CN106804102A CN 106804102 A CN106804102 A CN 106804102A CN 201580050114 A CN201580050114 A CN 201580050114A CN 106804102 A CN106804102 A CN 106804102A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
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Abstract
A kind of biliary tract is with taking stone sacculus, including sacculus interface (1), sheath (2) and sacculus (3), the near-end of the sheath (2) connects the sacculus interface (1), the distal exterior of the sheath (2) is arranged the sacculus (3), and the sheath (2) is provided with aperture being arranged the sacculus (3) place；The both ends of the sacculus (3) are fixed on the lateral wall of the sheath (2), it is that the effective of sacculus (3) fills part between the both ends of the sacculus (3), effective part that fills of the sacculus (3) is for radially telescopic, and the sacculus (3) the radially flat of size (D) more than axial dimension (H) after full.The biliary tract can reduce frictional resistance when in use with stone sacculus is taken, while being more easy to take out silt shape calculus, and then can shorten operating time, reduce patient suffering；By setting, sacculus is full to reply structure (4), can adjust sacculus (3) and shrink reply speed when replying, and solves the problems, such as to reply excessive velocities after sacculus (3) is full.
Description
The invention belongs to take stone medical instruments field, stone sacculus is taken in especially a kind of biliary tract for coordinating scope to use.
It is the conventional medicine equipment for carrying out the ERCP (Endoscopic retrograde cholangio-pancreatiography art) such as biliary tract stone extraction operations to take stone sacculus, is mainly used in the taking-up of muddy stone.
In the prior art, stone sacculus is taken generally to be made up of conduit, balloon body and inflation mechanism, balloon body is an elastic thin-walled structures, and sacculus can keep the diameter of very little before full；In use, via under the seal wire guiding being pre-filled with biliary tract, entering through ERCP pincers road in human biliary duct, when sacculus reaches specified location, sacculus is inflated by inflation mechanism so that sacculus expands.
And existing routine takes stone sacculus during biliary tract stone extraction is carried out, there is Railway Project：
1st, the frictional resistance of sacculus and biliary tract wall is big, and operation is laborious to be difficult to the sacculus after dragging is filled；
2nd, muddy stone is easy to skid off from the lower surface of sacculus, results in the need for repeatedly cleaning, increase operating time and operation difficulty.
The content of the invention
In order to overcome it is existing take stone sacculus frictional resistance in Clinical practice big, while calculus is not easily taken out of shortcoming, frictional resistance can be reduced when being used the invention provides one kind, while being more easy to take a kind of biliary tract of stone with taking stone sacculus.
A kind of biliary tract of the present invention is with stone sacculus is taken, and it includes sacculus interface, sheath and sacculus, and the near-end of the sheath connects the sacculus interface, and the distal exterior of the sheath is arranged the sacculus, and the sheath is being arranged at the sacculus provided with aperture；The both ends of the sacculus are fixed on the lateral wall of the sheath, it is that the effective of sacculus fills part between the both ends of the sacculus, effective part that fills of the sacculus is radially telescopic, and radially size is more than the flat of axial dimension to the sacculus after full.
Preferably, radial dimension is more than 1.3 times of axial dimension after the sacculus is fully filled.
Preferably, radial dimension is that can effectively fill more than 2 times of partial-length after the sacculus is fully filled.
Preferably, the sacculus is in flat pieces of chess shape after full.
Preferably, the sacculus, which is provided with to be used to fill the sacculus that sacculus progress filled and shunk reply, replys structure, the full structure of replying of the sacculus includes syringe, two-way valve, and the syringe is connected to one end of the two-way valve, and the other end of the two-way valve is connected with the sacculus interface.
Preferably, the full structure of replying of the sacculus is provided with one-way current-limiting structure, and the one-way current-limiting structure is connected between the syringe and the two-way valve,
Wherein, the one-way current-limiting structure includes：
Main part；
It is arranged at a side of the main part and connects the outer locked joints of the two-way valve；
Adjusting knob, it includes release handle and the body of rod being connected with the release handle, and the release handle is located at the top outside the main part, and the body of rod is placed in the main part；
Sealing ring, it is fixed on the lower end of the body of rod；
Spring, it is fixedly installed in the inner upper of the main part and is sheathed on the body of rod, while being contacted with the sealing ring for being fixed on the body of rod lower end.
Further, the syringe includes injection cylinder, push rod and sealing piston, the sealing piston is arranged on the push rod, and the push rod is installed in the injection cylinder, when the sealing piston is one-way movement the barb structure of friction increase or when being bidirectional-movement friction increase structure.
Preferably, the two-way valve includes：Stopcock, valve body, joint, Unidirectional flow-limiting catch, wherein, the stopcock is located above the valve body, the joint is located at the valve body side, wherein, the handle part of the stopcock is above the valve body, the cock body of the stopcock is placed in the valve body, the joint is located at the valve body side, and the upper end of the Unidirectional flow-limiting catch is fixed in the neck of the stopcock handle portion, and the Unidirectional flow-limiting catch is integrally placed in the stopcock cock body.
Further, the syringe fills adjustment structure provided with speed change, and the speed change fills adjustment structure and includes adjusting rod, sealing piston, position limiting slide block and regulation valve body；The position limiting slide block includes left limit sliding block and right limit sliding block；The sealing piston is fixed on the adjusting rod, and the adjusting rod can drive the sealing piston to be moved back and forth in the regulation valve body；The left limit sliding block and the right limit slide block set are relatively fixed on the adjusting rod with the regulation valve body；The speed that the speed change fills adjustment structure is adjusted by adjusting the position limiting slide block.
As a kind of preferred structure in the present invention, the sheath is double inner-cavity structures, and one of inner chamber is balloon cavity passage, and another inner chamber is silk guide passage or injection canal；Sacculus interface and the balloon cavity of the sheath
The near-end connection of passage.
As a kind of preferred structure in the present invention, the sheath is three inner-cavity structures, and three inner chambers are respectively balloon cavity passage, silk guide passage and injection canal；The near-end of the balloon cavity passage connects the sacculus interface；The near-end of the silk guide passage is communicated with guidewire interface, and the near-end of the injection canal is communicated with injection interface.
Further, the biliary tract of the present invention is with taking stone sacculus to may also include developing device, the developing device at least includes two development parts, it is described development part at least one be located at the sacculus side, remaining development part is located at sacculus other side or positioned at balloon interior close to the other side of sacculus, and is connected with sheath.
Using the biliary tract of the present invention with taking stone sacculus, by making the partially radially scalable and sacculus that fills of sacculus, radially size is more than the flat of axial dimension after full, so that effective contact area of sacculus and biliary tract wall reduces, and then reduce the frictional force of sacculus and biliary tract wall, the problem of frictional resistance occurred in stone sacculus clinical process is big is taken in the market so as to solve, and is made operation easier, laborsaving and is alleviated patient suffering；After sacculus is effectively filled, radially size causes sacculus axial side wall with radially descending the transition gap of both ends of the surface to diminish more than the flat of axial dimension, the problem of muddy stone is easily slipped over beside sacculus during stone is taken so as to solve, operating time is shortened, alleviates the pain of patient；Meanwhile, by setting sacculus is full to reply structure, sacculus can be adjusted and shrinking reply speed when replying, the problem of replying excessive velocities after sacculus is filled is solved.
Fig. 1 is a kind of biliary tract of the invention with taking stone balloon structure schematic diagram；
Fig. 2 is a kind of biliary tract of the invention with taking stone sacculus initial configuration schematic diagram；
Fig. 3 is the schematic diagram for representing sheath tube shape；
Fig. 4 is according to the structural representation for taking stone sacculus of the biliary tract in another embodiment of the invention；
Fig. 5 for Fig. 4 biliary tract sacculus in one-way current-limiting structure profile；
Fig. 6 is structural representation of the biliary tract with a kind of variation for taking stone sacculus；
Fig. 7 is structural representation of the biliary tract in Fig. 6 with the two-way valve for taking stone sacculus；
Fig. 8 is structural representation of the biliary tract with a kind of syringe for taking stone sacculus；
Fig. 9 is the profile for representing biliary tract with a kind of two-way valve structure comprising current limliting catch for taking stone sacculus；
Figure 10 is structural representation of the biliary tract with another variation for taking stone sacculus；
Figure 11 is Figure 10 biliary tract full stereogram for replying adjustment structure of speed change for taking stone sacculus；
Figure 12 is Figure 11 biliary tract full structural representation for replying adjustment structure of speed change for taking stone sacculus；
Figure 13 is the profile sectioned according to Figure 12 line A-A；
Figure 14 is the structural representation of Figure 11 full left limit sliding block for replying adjustment structure of speed change；
Figure 15 is the structural representation of Figure 11 full right limit sliding block for replying adjustment structure of speed change；
Figure 16 is partial structural diagram of the biliary tract with another variation for taking stone sacculus；
Figure 17 is structural representation of the biliary tract with another variation for taking stone sacculus；
The biliary tract use that Figure 18 is Figure 17 takes the sheath of stone sacculus along the sectional view of line A-A.
The embodiment of the biliary tract sacculus of the present invention is described in detail below in conjunction with accompanying drawing, but the invention is not limited in these embodiments.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of biliary tract of the present invention includes sacculus interface 1, sheath 2 and sacculus 3 with taking stone sacculus, the near-end connection sacculus interface 1 of sheath 2, the distal exterior of sheath 2 is arranged sacculus 3, and sheath 2 is being arranged at sacculus 3 provided with aperture (not shown in figure)；The both ends of sacculus 3 are fixed on the lateral wall of sheath 2, it is that the effective of sacculus 3 fills part (as shown in Figure 2 between the both ends of sacculus 3, L is that can effectively fill the length of part), effective part that fills of sacculus 3 is radially telescopic, and radially dimension D is more than axial dimension H flat to sacculus 3 after full.
Wherein, sacculus interface 1 connects to form gas channel by injection or other connected modes with the near-end of sheath, and sacculus interface 1 is connected by dismountable connected mode such as screw thread with syringe, it is inflated for effective part that fills to sacculus so that effective radial direction for filling part of sacculus elongation and deflation after-contraction after full.
Sacculus 3 is made of compliance high polymer material, itself it is straight-tube shape (shown in such as Fig. 3 (a)) or the smaller similar waist drum shape in both ends (shown in such as Fig. 3 (b)), this is not limited to several shapes of diagram being explained sacculus 3 in itself.Sacculus 3 is set in the distal end of sheath 2, is fixed on preferably close to the both ends of the distal portion of sheath, and sacculus 3 by bonding or other modes on the lateral wall of sheath 2.
A kind of biliary tract of the present invention is with the operating method for taking stone sacculus：During original state, effective part that fills of sacculus is to shrink；When taking stone, sacculus 3 and sheath 2 enter in patient's biliary tract, and sacculus is placed in calculus upper end, then the air-flow produced with syringe is inflated by sacculus interface and sheath to sacculus, i.e. radially dimension D is more than axial dimension H flat after sacculus is fully filled, and pulls sacculus that calculus is cleared out of into biliary tract by sheath.
It is preferred that sacculus 3 is in more than 1.3 times that fully full rear radial dimension is axial dimension；Or preferably
Ground, radial dimension is that can effectively fill more than 2 times of partial-length after sacculus is fully filled so that sacculus is more flat after fully filling, and the side of sacculus and the contact area of biliary tract wall are smaller, and then smaller with the frictional force of biliary tract wall.
More preferably, sacculus is in flat pieces of chess shape after fully full so that sacculus is more flat after fully full, and the upper and lower end face of sacculus is more flat while the side of sacculus and the smaller contact area of biliary tract wall, sectional area is bigger.
The present invention fills partially radially scalable and sacculus after full radially size is more than the flat of axial dimension by the effective of sacculus, reduce the effective length size after sacculus is filled, substantially it is in flat pieces of chess shape after making sacculus full, so that effective contact area of sacculus and biliary tract wall reduces, and then the frictional force of sacculus and biliary tract wall is reduced, the problem of frictional resistance occurred in stone sacculus clinical process is big is taken in the market so as to solve；And then more effectively avoid damage to bile duct wall；And make operation easier, laborsaving, reliable；Secondly, after sacculus is effectively filled, radially size causes sacculus axial side wall with radially descending the transition gap of both ends of the surface to diminish more than the flat of axial dimension, the problem of muddy stone is easily slipped over beside sacculus during stone is taken so as to solve, it is effective to reduce the damage brought to patient for taking stone repeatedly, operating time is shortened, patient suffering is reduced.
Embodiment 2
Further, on the basis of embodiment 1, of the invention takes stone sacculus to include the full reply structure 4 of sacculus, for carrying out full to sacculus and shrinking reply.
As shown in figure 4, in example 2, the full structure 4 of replying of sacculus includes：Syringe 4-1, one-way current-limiting structure 4-3, two-way valve 4-2, wherein, two-way valve 4-2 one end is connected with one end of sacculus interface 1, and the two-way valve 4-2 other end is connected with one-way current-limiting structure 4-3 one end, and the one-way current-limiting structure 4-3 other end is connected with syringe 4-1.As shown in figure 5, one-way current-limiting structure is included：Main part 4-3-1, spring 4-3-2, outer locked joints 4-3-3, adjusting knob 4-3-4, sealing ring 4-3-5.Wherein, the side that outer locked joints 4-3-3 is arranged at one-way current-limiting structure 4-3 is used to connect two-way valve, adjusting knob 4-3-4 includes release handle and the body of rod being connected with release handle, release handle is located at the top outside main part 4-3-1, the body of rod is placed in main part 4-3-1, spring is fixedly installed in main part 4-3-1 inner upper and is sheathed on the body of rod, while being contacted with the sealing ring 4-3-5 for being fixed on body of rod lower end.
Biliary tract in this embodiment is with the mode of operation of sacculus：During original state, sacculus 3 is in recoil state, and the full two-way valve 4-2 for replying structure 4 of sacculus is closed, and syringe 4-1 is provided with the spacing filling volume number to limit to sacculus 3, and syringe 4-1 is in maximum spacing place；When taking the stone sacculus to fill,
The full two-way valve 4-2 for replying structure 4 of sacculus is in open mode, and syringe 4-1 shifts lowermost end onto, and sacculus 3 fills regulation greatest diametrical dimension；Said process with normally taking stone sacculus identical, difference be sacculus 3 it is full after radial dimension and axial dimension ratio become big, sacculus 3 is shaped as flat chessman shape.During stone is taken, compare and diminish with common sacculus, the full rear axial dimension of sacculus 3, the contact area of sacculus 3 and biliary tract wall reduces, dilatory sacculus 3 when taking stone, the friction of itself and biliary tract wall diminishes, and is more easy to take stone, take stone amount bigger, so as to shorten operating time, mitigate patient suffering.When the sacculus 3 after full is returned to original state, compared to commonly taking stone sacculus, the full one-way current-limiting structure 4-3 for replying structure 4 of sacculus plays metering function, the adjusting knob 4-3-4 for adjusting one-way current-limiting structure 4-3 simultaneously can adjust current limliting speed, slow down the reply speed of sacculus 3, internal pressure increases caused by change in shape after solution takes stone sacculus 3 full, and sacculus replys speed compared with commonly taking the problem of stone sacculus is fast.
Embodiment 3
As shown in fig. 6, in embodiment 3, the full structure 4 of replying of sacculus includes syringe 4-1, two-way valve 4-2, and two-way valve 4-2 one end is connected with one end of sacculus interface 1.As shown in fig. 7, two-way valve 4-2 is included：Stopcock 4-2-1, valve body 4-2-2, joint 4-2-3, stopcock 4-2-1 include handle and the cock body being connected with handle, and handle is located above valve body 4-2-2, and cock body is placed in valve body 4-2-2, and joint 4-2-3 is located at valve body 4-2-2 sides.As shown in figure 8, syringe 4-1 is included：Push rod 4-1-1, sealing piston 4-1-2, cylinder 4-1-3.Sealing piston 4-1-2 is fixed on push rod 4-1-1, and push rod 4-1-1 can drive sealing piston 4-1-2 to be moved back and forth in cylinder 4-1-3.
As shown in figure 8, in one example, taking stone sacculus directly itself can realize current-limiting function using syringe 4-1, its operation is as follows：When full, pushing syringe 4-1 push rod 4-1-1 drives sealing piston 4-1-2 to travel forward, and sacculus 3 gradually fills with push rod 4-1-1 motion and becomes big, until reaching maximum full size, closes two-way valve 4-2；Now, push rod 4-1-1 drives sealing piston 4-1-2 forward, its frictional force with cylinder no significant difference compared with standard syringe.When sacculus 3 is replied, two-way valve 4-2 is opened, the sacculus 3 after filling is automatically replied, the push rod 4-1-1 in pushing syringe 4-1 drives sealing piston 4-1-2 to be moved backward with respect to cylinder 4-1-3；Now sealing piston 4-1-2 and cylinder 4-1-3 apparent friction increases, the reply speed to slow down sacculus 3.
Preferably, sealing piston 4-1-2 can be the structure for increasing one-way movement friction, such as barb-shaped structure；I.e. when push rod 4-1-1 drives sealing piston 4-1-2 to travel forward, and carries out full to sacculus 3, its with cylinder 4-1-3 frictional resistance compared with standard syringe indifference；When push rod 4-1-1 drives sealing piston 4-1-2 to move backward, sealing piston 4-1-2 and cylinder 4-1-3 frictional resistance becomes big.In addition, sealing is lived
Filling in 4-1-2 can be made using elastic polymer material.
It is as follows using the mode of operation for taking stone sacculus in this：During original state, sacculus 3 is fixed on the distal end of sheath 2, and the near-end connection sacculus interface 1 of sheath 2, the full structure of replying of sacculus is closed.During work, observation takes stone sacculus to reach expection and taken behind stone position, the full reply structure 4 of sacculus is opened, i.e. two-way valve 4-2 is opened, sacculus 3 is filled with syringe 4-1, sacculus 3 is filled into given size, sacculus 3 is in flat chessman shape, and radial dimension is more than axial dimension more than 1.3 times, now in syringe 4-1, push rod 4-1-1 drives sealing piston 4-1-2 to travel forward, its with cylinder 4-1-3 frictional force compared with standard syringe no significant difference or slightly larger than standard syringe；Two-way valve 4-2 is closed, drag down sacculus 3, the observation under X-ray are until calculus is hauled out in biliary tract, motion process, and the apparent friction of sacculus 3 and biliary tract wall reduces, while calculus is difficult to slip from sacculus end face；Complete after aforesaid operations, open two-way valve 4-2, sacculus 3 will be returned to original state, now, push rod 4-1-1 in syringe 4-1 drives sealing piston 4-1-2 motions, itself and cylinder 4-1-3 apparent friction are more than standard syringe, and this can control the reply speed of sacculus 3, solve due to internal pressure increase problem caused by the change of balloon features and the sacculus being induced by it is full after reply excessive velocities the problem of.After sacculus is returned to original state, aforesaid operations are repeated, until calculus is taken out completely.
In addition, it is used as another example of the present embodiment, as shown in Figure 9, two-way valve 4-2 can be further fixed in the neck of stopcock 4-2-1 handle portions comprising a Unidirectional flow-limiting catch 4-2-4, Unidirectional flow-limiting catch 4-2-4 upper end, and catch is integrally placed in stopcock 4-2-1 cock body, when being filled to sacculus, constrictor, which is opened, does not have metering function, and when sacculus is replied, constrictor can not be opened and play metering function.
Embodiment 4
In example 4, as shown in fig. 10-15, the full syringe 4-1 replied in structure 4 of sacculus replys adjustment structure for a speed change is full, and the full adjustment structure of replying of the speed change is included：Adjusting rod 4-1-4, sealing piston 4-1-2, left limit sliding block 4-1-6, right limit sliding block 4-1-7, regulation valve body 4-1-5.
Wherein, sealing piston 4-1-2 is fixed on adjusting rod 4-1-4, adjusting rod 4-1-4 can drive sealing piston 4-1-2 to be moved back and forth in regulation valve body 4-1-5, left limit sliding block 4-1-6 is relatively fixed with right limit sliding block 4-1-7 and regulation valve body 4-1-5 respectively, and right limit sliding block 4-1-7 is also relatively fixed with regulation valve body 4-1-5；Left limit sliding block 4-1-6 and right limit sliding block 4-1-7 are set on adjusting rod 4-1-4, left limit sliding block 4-1-6 is provided with four necks 4-1-6-1,4-1-6-2,4-1-6-3,4-1-6-4 simultaneously, right limit sliding block 4-1-7 is provided with 2 boss 4-1-7-1,4-1-7-2, screw thread is additionally provided with right limit sliding block 4-1-7, can be intermeshed with the screw thread on adjusting rod 4-1-4.
Take stone sacculus operating process as follows in the present embodiment：During original state, 2 boss that right limit sliding block 4-1-7 is provided with are separately fixed in left limit sliding block 4-1-6 neck 4-1-6-1,4-1-6-2, and the screw thread on right limit sliding block 4-1-7 is in engagement with screw thread on adjusting rod 4-1-4；When full to sacculus, pull right limit sliding block 4-1-7, boss 4-1-7-1 and 4-1-7-2 is set to be separately fixed at left limit sliding block 4-1-6 neck 4-1-6-3, in 4-1-6-4, now the screw thread of the screw thread on right limit sliding block 4-1-7 and adjusting rod 4-1-4 is in released state, promotes adjusting rod 4-1-4 to fill sacculus 3；Sacculus 3 gradually fills with adjusting rod 4-1-4 motion and becomes big, until reaching maximum full size, closes two-way valve 4-2；When sacculus 3 is replied, two-way valve 4-2 is opened, promotes the screw thread on right limit sliding block 4-1-7 to original state, i.e. right limit sliding block 4-1-7 to be engaged with screw thread on adjusting rod 4-1-4, slowly rotates backward adjusting rod 4-1-4, sacculus 3 slowly returns to original state；It can be solved in this way with the reply speed of manual control sacculus 3 the problem of the increase of sacculus internal pressure and sacculus rapid desufflation are replied caused by balloon features change.
In addition, as shown in figure 15, on the basis of any of the above embodiment, of the invention takes stone sacculus also to include developing device 5, and developing device 5 at least includes two development parts, and it can transmission metal part be made by X-ray.Development part is fixed on the outside of the both ends of the surface of sacculus 3 or one of development part can also be provided in sacculus at the other end.It can be connected between development part and sacculus by bind wire.The development part is ring-type in this specific embodiment, and the fixed end for being set in sacculus, the part that develops certainly is not limited to the shape of the specific embodiment.By setting the structure, during work, take stone sacculus to be entered along seal wire in patient's biliary tract, sacculus can be observed by the part that develops under X-ray and be expected suitably to take stone position, be so conducive to being quickly found out operator suitably taking stone position so that take stone effect more preferable.
Preferably, the present embodiment is taken in stone sacculus, and sheath 2 can also include two autonomous channels, now, and one of inner chamber is balloon cavity passage, and another inner chamber is silk guide passage or injection canal；Sacculus interface 1 is connected with the near-end of the balloon cavity passage of sheath 2.By taking silk guide passage as an example, silk guide passage proximally by injection or other on-link mode (OLM)s be communicated with guidewire interface, pass through for seal wire.
Operationally, first in the termination of seal wire one insertion patient's biliary tract, another termination of seal wire is stretched out through silk guide passage from guidewire interface, following sheath 2 and sacculus 3 enter in patient's biliary tract along seal wire, and sacculus is placed in calculus upper end, then the air-flow produced with syringe is inflated by sacculus interface and sheath to sacculus, and i.e. radially dimension D is more than axial dimension H flat after sacculus is fully filled, and pulls sacculus that calculus is cleared out of into biliary tract by sheath.
By the guiding of seal wire, take stone sacculus more smooth into the biliary tract of narrow elongate.And then procedure efficiency is improved, reduce patient suffering.
Reference picture 17 and Figure 18, on the basis of any one foregoing embodiment, sheath 2 can also be comprising three autonomous channels, and three autonomous channels are respectively balloon cavity passage 2-1, silk guide passage 2-2 and injection canal 2-3；The near-end connection sacculus interface 1 of the balloon cavity passage 2-1；Silk guide passage 2-2's is communicated with guidewire interface 6 proximally by injection or other on-link mode (OLM)s, passes through for seal wire；Injection canal 2-3's is communicated with injection interface 7 proximally by injection or other on-link mode (OLM)s, available for injection contrast agent or water.
The present embodiment is operationally, first in the termination of seal wire one insertion patient's biliary tract, another termination of seal wire is stretched out through silk guide passage from guidewire interface, following sheath 2 and sacculus 3 enter in patient's biliary tract along seal wire, and sacculus is placed in calculus upper end, the position that sacculus enters patient's biliary tract is observed by contrast agent under X-ray, then the air-flow produced with syringe is inflated by sacculus interface and sheath to sacculus, i.e. radially dimension D is more than axial dimension H flat after sacculus is fully filled, and pulls sacculus that calculus is cleared out of into biliary tract by sheath.
Water can also be injected by injection canal or other fluids clear up patient's biliary tract after surgery.
By setting silk guide passage and injection canal so that take stone more smooth, convenient；And then procedure efficiency is improved, operating time is shortened, patient suffering is reduced.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept; protection scope of the present invention is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also based on those skilled in the art according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (12)
- A kind of biliary tract is with taking stone sacculus, it is characterised in that：Including sacculus interface, sheath and sacculus, the near-end of the sheath connects the sacculus interface, and the distal exterior of the sheath is arranged the sacculus, and the sheath is being arranged at the sacculus provided with aperture；The both ends of the sacculus are fixed on the lateral wall of the sheath, it is that the effective of sacculus fills part between the both ends of the sacculus, effective part that fills of the sacculus is radially telescopic, and radially size is more than the flat of axial dimension to the sacculus after full.
- Biliary tract as claimed in claim 1 is with taking stone sacculus, it is characterised in that：The sacculus fully fills more than 1.3 times that rear radial dimension is axial dimension.
- Biliary tract as claimed in claim 1 is with taking stone sacculus, it is characterised in that：Radial dimension is that can effectively fill more than 2 times of partial-length after the sacculus is fully filled.
- Biliary tract as claimed in claim 1 is with taking stone sacculus, it is characterised in that：The sacculus is in flat pieces of chess shape after full.
- Biliary tract as claimed in claim 1 is with taking stone sacculus, it is characterised in that：The sacculus, which is provided with to be used to fill the sacculus that sacculus progress filled and shunk reply, replys structure, the full structure of replying of the sacculus includes syringe, two-way valve, the syringe is connected to one end of the two-way valve, and the other end of the two-way valve is connected with the sacculus interface.
- Biliary tract as claimed in claim 5 is with taking stone sacculus, it is characterised in that：The full structure of replying of the sacculus is provided with one-way current-limiting structure, and the one-way current-limiting structure is connected between the syringe and the two-way valve,Wherein, the one-way current-limiting structure includes：Main part；It is arranged at a side of the main part and connects the outer locked joints of the two-way valve；Adjusting knob, it includes release handle and the body of rod being connected with the release handle, and the release handle is located at the top outside the main part, and the body of rod is placed in the main part；Sealing ring, it is fixed on the lower end of the body of rod；Spring, it is fixedly installed in the inner upper of the main part and is sheathed on the body of rod, while being contacted with the sealing ring for being fixed on the body of rod lower end.
- Biliary tract as claimed in claim 5 is with taking stone sacculus, it is characterised in that：The syringe includes injection cylinder, push rod and sealing piston, and the sealing piston is arranged on the push rod, and the push rod is installed in the injection cylinder, friction increases when the sealing piston is one-way movement barb structure or be double To the structure of friction increase during motion.
- Biliary tract as claimed in claim 5 is with taking stone sacculus, it is characterised in that：The two-way valve includes：Stopcock, valve body, joint, Unidirectional flow-limiting catch, wherein, the handle part of the stopcock is above the valve body, the cock body of the stopcock is placed in the valve body, the joint is located at the valve body side, the upper end of the Unidirectional flow-limiting catch is fixed in the neck of the stopcock handle portion, and the Unidirectional flow-limiting catch is integrally placed in the stopcock cock body.
- Biliary tract as claimed in claim 5 is with taking stone sacculus, it is characterised in that：The syringe fills adjustment structure provided with speed change, and the speed change fills adjustment structure and includes adjusting rod, sealing piston, position limiting slide block and regulation valve body；The position limiting slide block includes left limit sliding block and right limit sliding block；The sealing piston is fixed on the adjusting rod, and the adjusting rod can drive the sealing piston to be moved back and forth in the regulation valve body；The left limit sliding block and the right limit slide block set are relatively fixed on the adjusting rod with the regulation valve body；The speed that the speed change fills adjustment structure is adjusted by adjusting the position limiting slide block.
- Biliary tract as claimed in any one of claims 1-9 wherein is with taking stone sacculus, it is characterised in that：The sheath is double inner-cavity structures, and one of inner chamber is balloon cavity passage, and another inner chamber is silk guide passage or injection canal；Sacculus interface is connected with the near-end of the balloon cavity passage of the sheath.
- Biliary tract as claimed in any one of claims 1-9 wherein is with taking stone sacculus, it is characterised in that：The sheath is three inner-cavity structures, and three inner chambers are respectively balloon cavity passage, silk guide passage and injection canal；The near-end of the balloon cavity passage connects the sacculus interface；The near-end of the silk guide passage is communicated with guidewire interface, and the near-end of the injection canal is communicated with injection interface.
- Biliary tract as claimed in any one of claims 1-9 wherein is with taking stone sacculus, it is characterised in that：It may also include developing device, the developing device at least includes two development parts, at least one is located at the side of the sacculus with the development part, and remaining development part is located at sacculus other side or positioned at balloon interior close to the other side of sacculus, and is connected with sheath.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015200510377 | 2015-01-23 | ||
| CN201520051037 | 2015-01-23 | ||
| PCT/CN2015/080549 WO2016115799A1 (en) | 2015-01-23 | 2015-06-02 | Balloon for removal of biliary tract stones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106804102A true CN106804102A (en) | 2017-06-06 |
Family
ID=56416334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580050114.XA Pending CN106804102A (en) | 2015-01-23 | 2015-06-02 | Biliary tract is with taking stone sacculus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106804102A (en) |
| WO (1) | WO2016115799A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157545A (en) * | 2017-06-22 | 2017-09-15 | 扬州市第人民医院 | A kind of detachable ERCP special-purpose multifunctionals biliary tract stone extraction sacculus |
| CN117563113A (en) * | 2024-01-15 | 2024-02-20 | 上海玄宇医疗器械有限公司 | Push rod adjusting mechanism and balloon catheter thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044487B (en) * | 2018-09-28 | 2023-08-18 | 朱海涛 | Biliary tract operation device |
| CN110179523A (en) * | 2019-04-09 | 2019-08-30 | 温州医科大学附属第一医院 | A kind of choledochoscope auxiliary balloon device for taking stone out from biliary tract |
| CN111317543B (en) * | 2020-03-23 | 2022-10-25 | 南阳市中心医院 | Multi-functional strutting clearing device of neural intervention |
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| CN107157545B (en) * | 2017-06-22 | 2023-05-26 | 扬州市第一人民医院 | Detachable special multifunctional biliary tract lithotomy balloon for ERCP |
| CN117563113A (en) * | 2024-01-15 | 2024-02-20 | 上海玄宇医疗器械有限公司 | Push rod adjusting mechanism and balloon catheter thereof |
| CN117563113B (en) * | 2024-01-15 | 2024-04-09 | 上海玄宇医疗器械有限公司 | Push rod adjusting mechanism and balloon catheter thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016115799A1 (en) | 2016-07-28 |
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Address after: 311106 Building 597 Kangxin Road, Yuhang District, Hangzhou City, Zhejiang Province, 5 and 6 (except room 103 and 202) Applicant after: Hangzhou Anjisi Medical Science and Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 311106 Xinlu Kang Yuhang District of Yuhang economic and Technological Development Zone No. 597 building 6 Applicant before: Hangzhou AGS Medical Technology Co., Ltd. |
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Application publication date: 20170606 |
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