CN106264707B - Cryoablation quick coupling - Google Patents
Cryoablation quick coupling Download PDFInfo
- Publication number
- CN106264707B CN106264707B CN201610855280.3A CN201610855280A CN106264707B CN 106264707 B CN106264707 B CN 106264707B CN 201610855280 A CN201610855280 A CN 201610855280A CN 106264707 B CN106264707 B CN 106264707B
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- China
- Prior art keywords
- buckle
- cryoablation
- claw
- housing
- quick coupling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
Abstract
The present invention relates to a kind of cryoablation quick couplings, including modular catheter and equipment handle, snap device is equipped at the port of the equipment handle, the buckle base of the snap device is fixedly connected with the set fixed by snap of the plant bottom case on the equipment handle, the snap device is detachably connected with the modular catheter, and the equipment handle is fixed in cryoablation equipment.The cryoablation quick coupling of the present invention only needs modular catheter head end to be inserted into the snap device being arranged on equipment handle when in use, you can begins to use, modular catheter is extracted after the completion of use.The present invention solves the problems such as existing equipment joining operations are cumbersome, and easy mistake is grasped.
Description
Technical field
The invention belongs to cryoablation conduit interconnection technique fields, and in particular to a kind of cryoablation quick coupling.
Background technology
Usually using the connection type of three connectors in existing cryoablation equipment is connected with conduit, wherein three connect
Head is respectively vacuum interface, intake interface and outlet interface, since the conveyance conduit of conduit is thinner, conveys the pressure that liquid nitrogen uses
Again relatively large, each interface is required for an individual snap device to ensure conduit sealing performance, to ensure service condition
Well, therefore, the tired lock of operation when in use, doctor need to extract connector again after unclamping buckle, then in triplicate, ability
Conduit is extracted, and each connector with conduit is connected by hose, during extracting connector, also due to other connectors
With snap connection, firmly cannot be excessive, firmly conference so that connector rear end hose is bent, to make the damage of whole conduit.
There is an urgent need for a kind of Novel joints in order to solve problem above, both doctor can be made easy to operate, can also play protection
The effect of conduit.
Invention content
The main object of the present invention is to solve to exist in interconnection technique between cryoablation conduit and cryoablation equipment
The above problem, the present invention propose it is a kind of by snap device implement plug-in connection cryoablation quick coupling, use
This structure can not only can guarantee the favorable sealing property of conduit in the environment of ultralow temperature, but can quickly connecting conduit and
Equipment.
The purpose of the present invention can be realized by following technical proposal：
A kind of cryoablation quick coupling, including modular catheter and equipment handle are equipped at the port of the equipment handle
Snap device, the snap device include buckle base, buckle housing, be fixed on the buckle base proximal end buckle block,
Bolt, multiple claws, spring ring and multiple springs, the housing block is fixedly connected with the distal end of the buckle base, described
Claw is flexibly connected by the bolt with the buckle block, and the proximal end of the claw is arranged on the buckle housing proximal end
Limiting slot limit, the card that the distal end of the claw is arranged on the modular catheter distal end limited, set on the claw
It is equipped with hole, the spring ring is connected multiple claws by the hole, and the spring ring is in tensional state always, in institute
It states and is provided with multiple cylinders on buckle block, one end of the spring is flexibly connected with the cylinder so that the buckle housing
It can move axially, multiple interior cylinders, the other end of the spring and the interior cylinder activity are provided in the buckle housing
Connection, the buckle base set fixed by snap are fixedly connected with the plant bottom case on the equipment handle.
In some embodiments, multiple apertures are provided in the buckle base, multiple apertures correspond to institute respectively
The remote location for stating claw stretches out convenient for the distal end of the claw from the aperture.
In some embodiments, the distal end of the buckle base is fixedly connected with buckle housing block.
In some preferred embodiments, the distal end of the buckle housing is limited by the buckle housing block, institute
State buckle housing proximally by the spring retainer.
In some embodiments, the modular catheter includes conduit protective case, conduit pedestal and multiple pin ends, described
Conduit protective case is fixedly connected with the conduit pedestal.
In some embodiments, the equipment handle includes plant bottom case, equipment protection covers and multiple female connectors, described
Plant bottom case is fixedly connected with the equipment protection set.
In some preferred embodiments, the female connector is fixed on by female connector seat on the plant bottom case.
Description of the drawings
Fig. 1 is the general construction schematic diagram of the cryoablation quick coupling of the present invention.
Fig. 2 is the sectional view of the modular catheter of the cryoablation quick coupling of the present invention.
Fig. 3 is the sectional view of the equipment handle of the cryoablation quick coupling of the present invention.
Fig. 4 is the sectional view of the snap device of the cryoablation quick coupling of the present invention.
Fig. 5 is the schematic diagram of the buckle structure of the cryoablation quick coupling of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, develop simultaneously embodiment referring to the drawings, right
The present invention is further described.
Distal end of the present invention refers to close to one end of equipment handle, and the proximal end refers to close to the one of modular catheter
End.
Embodiment one
As shown in Figure 1, the cryoablation quick coupling of the present invention includes modular catheter 1, equipment handle 2 and snap device 3.
As shown in Fig. 2, the modular catheter 1 includes conduit protective case 4, conduit pedestal 5 and three pin ends 6, wherein institute
Being fixedly connected with the conduit protective case 4 proximally by modes such as screw thread, gluings for conduit pedestal 5 is stated, the conduit pedestal 5
Distal end is fixedly connected with three pin ends 6, and card slot 21 is provided on the distal end of the conduit pedestal 5.
As shown in figure 3, the equipment handle 2 includes plant bottom case 10, equipment protection set 11 and three female connectors 12, it is described
The distal end of plant bottom case 10 is fixedly connected by modes such as screw thread, gluings with equipment protection set 11, and three female connectors 12 pass through mother
Connector pedestal 13 is fixed on the plant bottom case 10.
As shown in figure 4, the snap device 3 includes buckle base 7, buckle housing 8, it is remote to be fixed on the buckle base 7
The buckle housing block 18 at end, buckle block 19, bolt 15, multiple claws 14, the spring for being fixed on 7 proximal end of the buckle base
Circle 16 and multiple springs 17, distal end set 9 fixed by snap and the equipment bottom on the equipment handle 2 of the buckle base 7
Seat 10 is fixedly connected, and the housing block 18 is fixed by the distal end of the modes such as screw thread or gluing and the buckle base 7 to be connected
It connects, buckle block 19 is fixedly connected by modes such as screw thread or gluings with the proximal end of the buckle base 7, is kept off in the buckle
The proximal end of block 19 is provided with several pin holes 25, and the claw 14 is connected by the bolt 15 and 19 activity of the buckle block
It connects, multiple apertures is provided in the buckle base 7, the distal end of the claw 14 passes through the aperture quilt in the buckle base 7
Card in 1 distal end of the modular catheter is set by 21 limits, claw 14 by be arranged the card slot 21 on the conduit pedestal 5 around
The bolt 15 to be limited clockwise, the card slot 21 be the claw 14 around the bolt 15 provide one it is counterclockwise anti-
Active force, is provided with hole 20 on the claw 14, and the spring ring 16 will be multiple by the hole 20 on the claw 14
The claw 14 connects, and the spring ring 16 is constantly in tensional state, and the spring ring 16 provides one to the claw 14
A clockwise power around the bolt 15, the proximal end of the claw 14 are arranged on the limiting slot of 8 proximal end of the buckle housing
22 limits, by the way that the limiting slot 22 on the buckle housing 8 is arranged, the proximal end of the claw 14 is around the bolt 15 by up time
Needle limits, and the limiting slot 22 is that the claw 14 provides a reaction force counterclockwise around the bolt 15, counterclockwise
Reaction force and clockwise dynamic balance, the claw 14 are fixed.The buckle block 19 is fixed on the buckle bottom
7 proximal ends of seat, the reaction force that the limiting slot 22 is provided by 14 proximal end of the claw, therefore the buckle housing 8 is by one
A thrust to distal end is provided with multiple cylinders 23, one end of multiple springs 17 and the cylinder on the buckle block 19
23 flexible connections, the buckle housing 8 are internally provided with multiple interior cylinders 24, the other end of the spring 17 and the interior cylinder
24 flexible connection, the spring 17 give the buckle thrust of 8 one axial directions of housing to distal end, the buckle housing 8 by with card
18 axial limiting of housing block that button pedestal 7 is fixedly connected, the buckle block 19 provide one to the buckle housing 8
Axial reaction force proximally, reaction force proximally are balanced with to distal plunging force, and the buckle housing 8 is fixed.
Prepare using cryoablation equipment when, modular catheter 1 is not inserted into equipment handle 2, the buckle base 7 with
The set 9 fixed by snap of plant bottom case 10 is fixedly connected, and the buckle block 19 is fixedly connected with the buckle base 7, described
Buckling setting on block 19, there are three pin hole 25, three claws 14 are movable even by bolt 15 and the buckle block 19
It connects, the claw 14 can be rotated around the bolt 15.Hole 20 is provided on the claw 14, the spring ring 16 passes through institute
The hole 20 stated on claw 14 connects multiple claws 14, and the spring ring 16 is constantly in tensional state, the bullet
Spring coil 16 provides the power rotated clockwise around the bolt 15 to the claw 14, and the proximal end of the claw 14 is arranged on
The limiting slot 22 of 8 proximal end of the buckle housing limits, and the limiting slot 22 is that the claw 14 provides one around the bolt 15
Reaction force counterclockwise, reaction force counterclockwise and clockwise dynamic balance, the claw 14 are fixed.Due to described
Buckle block 19 is fixed in the buckle base 7, and the limiting slot 22 is by 14 clockwise active force of the claw
The buckle housing 8 provides the thrust to distal end, and multiple cylinders 23, multiple springs are provided on the buckle block 19
17 one end is flexibly connected with the cylinder 23, and the buckle housing 8 is internally provided with multiple interior cylinders 24, the spring 17
The other end is flexibly connected with the interior cylinder 24, and the spring 17 gives the buckle thrust of 8 one axial directions of housing to distal end, by
In the buckle housing 8 by 18 axial limiting of housing block being fixedly connected with buckle base 7, the buckle block 19 is given
The buckle housing 8 provides the reaction force of an axial direction proximally, and reaction force proximally is balanced with to distal plunging force, institute
It is fixed to state buckle housing 8.
During the modular catheter 1 is inserted into the equipment handle 2 by doctor, 14 distal end of the claw is in the conduit
It is slided on pedestal 5,14 distal end of the claw is limited clockwise by the conduit pedestal 5, and the conduit pedestal 5 gives the claw 14
A distally reaction force counterclockwise, clockwise power and reaction force counterclockwise balance, the claw 14 are inserted around described
Pin 15 is fixed, and the buckle block 19 is fixed in the buckle base 7, is provided on the buckle block 19 more
A cylinder 23, one end of multiple springs 17 are flexibly connected with the cylinder 23, and the buckle housing 8 is internally provided with multiple inner circles
Column 24, the other end of the spring 17 are flexibly connected with the interior cylinder 24, and the spring 17 gives described 8 one axis of buckle housing
To the thrust to distal end, the buckle housing 8 is by 18 axial limiting of housing block being fixedly connected with buckle base 7, institute
State buckle block 19 and provide axial direction reaction force proximally to the buckle housing 8, reaction force proximally with to
The thrust-balancing of distal end, the buckle housing 8 are fixed.
After modular catheter 1 is inserted into equipment handle 2, the pin end 6 and the female connector 12 interconnect, the claw
14 distal end is inserted into the card being arranged in 1 distal end of the modular catheter by the aperture in the buckle base 7 and met in 21, claw 14
It is limited clockwise around the bolt 15 by the way that the card slot 21 on the conduit pedestal 5 is arranged, the card slot 21 is described
Claw 14 provides a reaction force counterclockwise around the bolt 15, and the spring ring 16 is constantly in tensional state, described
Spring ring 16 provides one around 15 clockwise power of the bolt to the claw 14, and the proximal end of the claw 14 is arranged on
The limiting slot 22 of 8 proximal end of the buckle housing limits, by the way that the limiting slot 22 on the buckle housing 8, the claw is arranged
14 proximal end is limited clockwise around the bolt 15, and the limiting slot 22 is that the claw 14 provides one around the bolt 15
A reaction force counterclockwise, reaction force counterclockwise and clockwise dynamic balance, the claw 14 are fixed.By institute
Buckle block 19 is stated to be fixed in the buckle base 7, the limiting slot 22 by 14 clockwise active force of the claw,
The thrust to distal end is provided for the buckle housing 8, the buckle housing 8 is fixedly connected by described with buckle base 7
18 axial limiting of housing block, the buckle block 19 provides the reaction proximally of an axial direction to the buckle housing 8
Power, reaction force proximally are balanced with to distal plunging force, and the buckle housing 8 is fixed.
Doctor starts freezing equipment and starts cryoablation, and after cryoablation, doctor proximally pushes the buckle
Housing 8, the buckle housing 8 proximally move axially, be arranged buckle housing 8 proximal end the limiting slot 22 proximally
Axial movement, the limiting slot 22 drive the proximal end of the claw 14 to be rotated counterclockwise around the bolt 15, the claw 14
Distal end is rotated counterclockwise around the bolt 15 to be detached from the card slot 21 being arranged in 5 distal end of conduit pedestal simultaneously, extracts the conduit
Handle 1.The buckle housing 8 that comes loose after the modular catheter 1 is extracted, all parts of cryoablation quick coupling are restored to original
Beginning position.
Finally it should be noted that the foregoing is merely the preferred embodiments of the present invention, not limiting this
Invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should be included in this hair
Within bright protection domain.
Claims (7)
1. a kind of cryoablation quick coupling, including modular catheter (1) and equipment handle (2), which is characterized in that the equipment hand
Snap device (3) is equipped at the port of handle (2), the snap device (3) includes buckle base (7), buckle housing (8), is fixed
In the buckle block (19) of the buckle base (7) proximal end, bolt (15), multiple claws (14), spring ring (16) and multiple bullets
Spring (17), the housing block (18) are fixedly connected with the distal end of the buckle base (7), and the claw (14) is inserted by described
Pin (15) is flexibly connected with the buckle block (19), and the proximal end of the claw (14) is arranged on the buckle housing (8) closely
The limiting slot (22) at end limits, and the distal end of the claw (14) is arranged on card slot (21) limit of the modular catheter (1) distal end
Position, is provided with hole (20) on the claw (14), and the spring ring (16) is by the hole (20) by multiple claws
(14) it connects, the spring ring (16) is in tensional state, multiple cylinders (23), institute are provided on the buckle block (19)
The one end for stating spring (17) is flexibly connected with the cylinder (23), and the buckle housing (8) is internally provided with multiple interior cylinders
(24), the other end of the spring (17) is flexibly connected with the interior cylinder (24) so that the buckle housing (8) can be axial
It is mobile, buckle base (7) set (9) fixed by snap and the fixed company of plant bottom case (10) on the equipment handle (2)
It connects.
2. cryoablation quick coupling according to claim 1, which is characterized in that be provided on the buckle base (7)
Multiple apertures, multiple apertures correspond to the remote location of the claw (14) respectively, convenient for the claw (14) distal end from
It is stretched out in the aperture.
3. cryoablation quick coupling according to claim 1, which is characterized in that the distal end of the buckle base (7) with
Buckle housing block (18) is fixedly connected.
4. cryoablation quick coupling according to claim 3, which is characterized in that the distal end of the buckle housing (8) is logical
Buckle housing block (18) limit is crossed, the buckle housing (8) limits proximally by the spring (17).
5. cryoablation quick coupling according to claim 1, which is characterized in that the modular catheter (1) includes conduit
Protective case (4), conduit pedestal (5) and multiple pin ends (6), the conduit protective case (4) and the conduit pedestal (5) are fixed to be connected
It connects.
6. cryoablation quick coupling according to claim 1, which is characterized in that the equipment handle (2) includes equipment
Pedestal (10), equipment protection set (11) and multiple female connectors (12), the plant bottom case (10) and the equipment protection set (11)
It is fixedly connected.
7. cryoablation quick coupling according to claim 6, which is characterized in that the female connector (12) passes through female connector
Seat (13) is fixed on the plant bottom case (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855280.3A CN106264707B (en) | 2016-09-28 | 2016-09-28 | Cryoablation quick coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610855280.3A CN106264707B (en) | 2016-09-28 | 2016-09-28 | Cryoablation quick coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106264707A CN106264707A (en) | 2017-01-04 |
| CN106264707B true CN106264707B (en) | 2018-08-21 |
Family
ID=57715397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610855280.3A Active CN106264707B (en) | 2016-09-28 | 2016-09-28 | Cryoablation quick coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106264707B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3360496T3 (en) | 2017-02-10 | 2022-06-06 | Erbe Elektromedizin Gmbh | Fluid connection device and cryosurgical probe having same |
| CN108498163B (en) * | 2018-04-24 | 2020-07-28 | 海杰亚（北京）医疗器械有限公司 | Vacuum interlayer treatment process for split connection cryoablation needle |
| CN113768609B (en) * | 2021-11-10 | 2022-02-22 | 海杰亚（北京）医疗器械有限公司 | Cold and hot ablation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4338933A (en) * | 1980-12-22 | 1982-07-13 | Abbott Laboratories | Combination quick disconnect coupling and liquid cutoff valve |
| CN103417288A (en) * | 2012-08-03 | 2013-12-04 | 康沣生物科技(上海)有限公司 | Therapeutic cryoablation system |
| CN103717164A (en) * | 2011-03-08 | 2014-04-09 | T·J·科亨 | Ablation catheter system with safety features |
| CN104905873A (en) * | 2015-07-09 | 2015-09-16 | 宁波胜杰康生物科技有限公司 | Novel intraluminal tumor cryosurgery ablation catheter and operation method thereof |
| CN206836956U (en) * | 2016-09-28 | 2018-01-05 | 康沣生物科技(上海)有限公司 | Cryoablation snap joint |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6569158B1 (en) * | 1999-01-25 | 2003-05-27 | Cryocath Technologies, Inc. | Leak detection system |
| US20030028182A1 (en) * | 1999-04-21 | 2003-02-06 | Cryocath Technologies Inc. | Cryoablation catheter handle |
-
2016
- 2016-09-28 CN CN201610855280.3A patent/CN106264707B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4338933A (en) * | 1980-12-22 | 1982-07-13 | Abbott Laboratories | Combination quick disconnect coupling and liquid cutoff valve |
| CN103717164A (en) * | 2011-03-08 | 2014-04-09 | T·J·科亨 | Ablation catheter system with safety features |
| CN103417288A (en) * | 2012-08-03 | 2013-12-04 | 康沣生物科技(上海)有限公司 | Therapeutic cryoablation system |
| CN104905873A (en) * | 2015-07-09 | 2015-09-16 | 宁波胜杰康生物科技有限公司 | Novel intraluminal tumor cryosurgery ablation catheter and operation method thereof |
| CN206836956U (en) * | 2016-09-28 | 2018-01-05 | 康沣生物科技(上海)有限公司 | Cryoablation snap joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106264707A (en) | 2017-01-04 |
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Address after: No.15, Lane 3399, Kangxin highway, Pudong New Area, Shanghai, 201321 Patentee after: Kangfeng Biotechnology (Shanghai) Co.,Ltd. Address before: No.15, Lane 3399, Kangxin highway, Pudong New Area, Shanghai, 201321 Patentee before: CRYOFOCUS MEDTECH (SHANGHAI) Co.,Ltd. |