CN208693431U - Connector, cryoablation needle and cryoablation treatment device - Google Patents

Connector, cryoablation needle and cryoablation treatment device Download PDF

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Publication number
CN208693431U
CN208693431U CN201721610588.8U CN201721610588U CN208693431U CN 208693431 U CN208693431 U CN 208693431U CN 201721610588 U CN201721610588 U CN 201721610588U CN 208693431 U CN208693431 U CN 208693431U
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CN
China
Prior art keywords
connector
medium channel
plug
needle
cryoablation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201721610588.8U
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Chinese (zh)
Inventor
周利娟
程若凡
陈柏炜
黄乾富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hejna (beijing) Medical Instruments Co Ltd
Original Assignee
Hejna (beijing) Medical Instruments Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201721610588.8U priority Critical patent/CN208693431U/en
Application granted granted Critical
Publication of CN208693431U publication Critical patent/CN208693431U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of connector, including the first connector and the second connector;First connector is equipped with first medium channel;Second connector is equipped with second medium channel;Connection can be removedly fixed in first connector and the second connector;When the first connector and the second connector are fixedly connected, first medium channel is connected to second medium channel, and the junction in first medium channel and second medium channel seals.The connector, which has, is fixedly connected with the first connector and the second connector that it can be dismantled, and user can lead to as needed when applied to pipeline fills two connectors, easy to operate to replace new pipeline, can save the time, improve efficiency.A kind of cryoablation needle using above-mentioned connector is also disclosed in the utility model, is convenient for changing disposable syringe needle, improves efficiency.A kind of cryoablation treatment device is also disclosed in the utility model, and host is connected with cryoablation needle by above-mentioned connector, improves efficiency cryoablation needle by dismounting on host convenient for user.

Description

Connector, cryoablation needle and cryoablation treatment device
Technical field
The utility model relates to the field of medical instrument technology, and more specifically to a kind of connector, a kind of application is above-mentioned to be connect The cryoablation needle of head, further relates to a kind of cryoablation treatment device using above-mentioned connector.
Background technique
In pharmaceuticals industry for perform the operation, the device of physical examination is equipped with pipeline mostly, but pipeline be disposable product, every time use Before need to be with renewing pipeline, such as cryoablation treatment device comprising cryoablation needle and for cryoablation operation provide low temperature be situated between The host of matter, cryoablation needle include pipeline after syringe needle and the needle connecting with syringe needle, and pipeline is fixedly connected with host after needle.Freezing Ablation needle is disposable consumption product, need to be by new cryoablation when performing the operation need to change new cryoablation needle every time, and replacing every time Needle is fixedly connected and seals with above-mentioned host, and assembly is cumbersome, and time-consuming.In addition, needing to change entire freezing after ablative surgery every time Ablation needle, waste are serious.
Therefore, if made in pharmaceuticals industry, for performing the operation, in the device of physical examination, disposable pipeline replacement is convenient, improves effect Rate is those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, the present invention provides a kind of connectors, have the first connector being fixedly connected and the second connection Head, and two connectors can be dismantled, and assemble new pipeline by dismantling connection head convenient for user, save the time, improve efficiency.This reality A kind of cryoablation needle is also provided with novel, above-mentioned connector is applied, is convenient for changing syringe needle, avoids performing the operation replacement every time entirely Cryoablation needle.The utility model also provides a kind of cryoablation treatment device, host and cryoablation needle and is connect by above-mentioned Head connection dismounts cryoablation needle convenient for user.
To achieve the above object, the utility model provides the following technical solutions:
A kind of connector, including
First connector, first connector are equipped with first medium channel;
Second connector, second connector are equipped with second medium channel;
Wherein, connection can be removedly fixed in first connector and second connector;In first connector When being fixedly connected with second connector, the first medium channel is connected to the second medium channel, and described first Medium channel and the second medium channel are sealed in junction.
Preferably, in above-mentioned connector, first connector includes:
The inner wall of first shell, first shell is equipped with the first collet;
First plug, first plug are arranged in first shell;The first medium channel is arranged described On first plug.
Preferably, in above-mentioned connector, second connector includes:
The inner wall of second housing, the second housing is equipped with the second collet;
Second plug, second plug are arranged in the second housing;The second medium channel is arranged described On second plug;Second plug is docked with first plug, and is accompanied between second plug and the first plug Gasket.
Preferably, in above-mentioned connector, first shell is equipped with connecting pin, and the second housing is equipped with and the company The labyrinth card holding trough of outbound cooperation;The connecting pin can slide to end along the opening of the labyrinth card holding trough.
Preferably, in above-mentioned connector, at least one in both first connector and the second connector is equipped with elastic component, The elastic component is connected with the shell of the connector and plug, and elastic component application drives the plug to move to outside the shell Dynamic power.
Preferably, in above-mentioned connector, first connector and second connector are threadedly coupled.
Preferably, in above-mentioned connector, the end of first plug is equipped with tank, and second plug is inserted into the tank It is interior, and the gasket is located in the tank.
Preferably, in above-mentioned connector, the first medium channel is two, and one is used for influent stream, another is for flowing back; The second medium channel is two, and one is used for influent stream, another is for flowing back;Wherein, described first for influent stream is situated between Matter channel is connected to the second medium channel for influent stream;For the first medium channel of reflux and for the second medium of reflux Channel connection;
Alternatively, the first medium channel and the second medium channel are respectively 1.
A kind of cryoablation needle, including pipeline after syringe needle and needle, one end of pipeline passes through the first connector and institute after the needle State syringe needle connection;First connector is connector described in any one of above-mentioned technical proposal.
A kind of cryoablation treatment device, including host and the cryoablation being connected by the second connector with the main body Needle, wherein second connector is connector described in any one of above-mentioned technical proposal.
The utility model provides a kind of connector comprising the first connector and the second connector;First connector is equipped with the One medium channel;Second connector is equipped with second medium channel;Wherein, the first connector and the second connector can releasably be consolidated Fixed connection;When the first connector and the second connector are fixedly connected, first medium channel is connected to second medium channel, and the The sealing of the junction in one medium channel and second medium channel.
Above-mentioned connector has the first connector and the second connector being fixedly connected, and two connectors can be dismantled, application User can lead to as needed when pipeline fills two connectors, easy to operate to replace new pipeline, can save the time, improve Efficiency.
The utility model also provides a kind of cryoablation needle, applies above-mentioned connector, is convenient for changing disposable syringe needle, It improves efficiency.
The utility model also provides a kind of cryoablation treatment device, and host and cryoablation needle are connected by above-mentioned connector It connects, cryoablation needle be can be improved into efficiency by dismounting on host convenient for user.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of connector provided by the embodiment of the utility model;
Fig. 2 is the first shell provided by the embodiment of the utility model and the first collet installation diagram;
Fig. 3 is the installation diagram of the second collet and metal corrugated tube provided by the embodiment of the utility model;
Fig. 4 is first medium channel provided by the embodiment of the utility model and second medium channel is respectively two connectors Cross-sectional view;
Fig. 5 is first medium channel provided by the embodiment of the utility model and second medium channel is respectively one connector Cross-sectional view;
Fig. 6 is the structural schematic diagram of cryoablation needle provided by the embodiment of the utility model;
Wherein, in Fig. 1-Fig. 6:
First connector 100;Connecting pin 101;First shell 102;First collet 103;First plug 104;Second connects Connector 200;Second collet 201;Metal corrugated tube 202;Second plug 203;Second connector 1;Wavy metal outer tube 2;First Connector 3;Syringe needle 4.
Specific embodiment
The utility model embodiment discloses a kind of connector, has the first connector being fixedly connected and the second connection Head, and two connectors can be dismantled, and assemble new pipeline by dismantling connection head convenient for user, save the time, improve efficiency.This reality A kind of cryoablation needle is also disclosed with new embodiment, above-mentioned connector is applied, is convenient for changing syringe needle, avoids performing the operation every time Replace entire cryoablation needle.The utility model embodiment also discloses a kind of cryoablation treatment device, host and freezing Ablation needle is connected by above-mentioned connector, dismounts cryoablation needle convenient for user.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-Fig. 6 is please referred to, the utility model embodiment provides a kind of connector comprising the first connector 100 and second Connector 200;First connector 100 is equipped with first medium channel;Second connector 200 is equipped with second medium channel;Wherein, Connection can be removedly fixed in one connector 100 and the second connector 200;It is fixed in the first connector 100 and the second connector 200 When connection, first medium channel is connected to second medium channel, and the junction in first medium channel and second medium channel Sealing.Gap between first and second medium channels can be used gasket or be arranged on two connectors mutually matched Labyrinth seal structure is sealed, the present embodiment to the form of sealing without limitation.
Connector provided by the embodiment of the utility model has the first connector 100 and the second connector 200 being fixedly connected, And two connectors can be dismantled, and user can lead to as needed when applied to pipeline fills two connectors, to replace new pipeline, operation It is convenient, the time can be saved, improved efficiency.
Specifically, above-mentioned first connector 100 includes the first shell 102 and the first plug 104;First shell 102 it is interior Wall is equipped with the first collet 103;First plug 104 is arranged in the first shell 102;Above-mentioned first medium channel is arranged first On plug 104.In connector provided in this embodiment, it is equipped with the first collet 103 in the first connector 100, first can be prevented Medium by first connector 100 and extraneous carries out heat exchange in channel, it is ensured that the temperature of above-mentioned medium meet subsequent procedures, The requirement of inspection.
Specifically, above-mentioned first collet 103 is clipped between the first plug 104 and the first shell 102.
Above-mentioned second connector 200 includes second housing and the second plug 203;It is heat-insulated that the inner wall of second housing is equipped with second Set 201;Second plug 203 is arranged in second housing;Second medium channel is arranged on the second plug 203;Second plug 203 It is docked with the first plug 104, and accompanies gasket between the second plug 203 and the first plug 104.
In connector provided in this embodiment, it is equipped with the second collet 201 in the second connector 200, second can be prevented to lead to Medium passes through second connector 200 and extraneous progress heat exchange in road, it is ensured that above-mentioned medium meets subsequent procedures, inspection uses It needs.
Specifically, above-mentioned second collet 201 is clipped between the second plug 203 and second housing.
In order to make two connectors achieve a fixed connection, in above-mentioned connector, connecting pin 101 is fixed on the first shell 102, the Two shells are equipped with the labyrinth card holding trough cooperated with connecting pin 101;Connecting pin 101 can slide to end along the opening of labyrinth card holding trough End, so that two connectors are fixedly connected.When assembly, make two connector docking, and connecting pin 101 is made to be directed at labyrinth card holding trough Opening, so that connecting pin 101 is slid into end along labyrinth card holding trough.In connector provided in this embodiment, connecting pin 101 cooperate with labyrinth card holding trough, connecting pin 101 can be prevented by deviating from above-mentioned labyrinth card holding trough, it is ensured that two connectors are reliable Connection, and easy to operate, easy to disassemble and two connectors of assembly.
Specifically, above-mentioned connecting pin 101 is multiple, and connecting pin 101 is uniformly distributed along the circumferential direction of the first shell 102;Phase It answers, labyrinth card holding trough is identical as the number of connecting pin 101, and corresponds with connecting pin 101.
Further, in above-mentioned connector, at least one in 200 the two of the first connector 100 and the second connector is equipped with bullet Property part, correspondingly, plug can be slidably arranged in shell in the connector;The shell and plug of elastic component and the connector It is respectively connected with, and elastic component applies the power for driving the plug to move to outside the shell.Such as, the second connector 200 is equipped with elasticity Part, elastic component are respectively connected with the second plug 203 and second housing, and elastic component applies the second plug 203 to second of driving Mobile power outside shell, pushes against the second plug 203 with the first plug 104 always.
It will be appreciated by persons skilled in the art that in connecting pin 101 along the card holding trough moving process of labyrinth, two connectors Exposure level variation, and at least one in two connectors be equipped with elastic component, that is, ensure that connecting pin 101 can be moved along labyrinth card slot It is dynamic, also ensure that two connectors are fixedly connected with rear first plug 104 and the second reliably docking of plug 203.
Further, medium by elastic component and shell conducts heat in order to prevent, above-mentioned elastic component be set as by every Hot jacket is connected with plug, and collet is fixedly connected with plug, and collet can be slidably arranged in shell.
Specifically, above-mentioned elastic component is set as metal corrugated tube 202, metal corrugated tube 202 respectively with the second collet 201 It is welded with second housing.
Certainly, in connector provided by the above embodiment, two connectors may also be configured to be threadedly coupled.Specifically, can be Mutually matched internal screw thread and external screw thread are respectively set in first shell and second shell, but in order to ensure two connectors assemble First medium channel is connected to second medium channel afterwards, and above-mentioned two connector is set as being threadedly coupled by thread bush, such as Setting can be arranged and the screw-internal thread fit of thread bush on the thread bush of own axis, second housing on one shell 102 External screw thread, when assembly is directed at the first connector 3 and the second connector 1, and then rotating thread bush pushes against two connectors mutually.
Preferably, first medium channel and second medium channel are interconnected when docking in order to ensure two plugs, above-mentioned In connector, the end of the first plug 104 is equipped with tank, and the second plug 203 is inserted into above-mentioned tank and supports with the first plug 104 Tightly.
In connector provided in this embodiment, first medium channel is two, and one is used for influent stream, another is for flowing back; Second medium channel is two, and one is used for influent stream, another is for flowing back;Wherein, for the first medium channel of influent stream and Second medium channel for influent stream is connected to;First medium channel for reflux and the second medium channel for reflux connect It is logical;Alternatively, first medium channel and institute's second medium channel are respectively 1, first medium channel is connected to second medium channel. The present embodiment without limitation, can be configured the quantity of medium channel according to operation or physical examination needs.
The medium that can be used for transmitting gas phase media, liquid phase medium or liquid phase such as top connection and deposit;Meanwhile the two of the connector It is respectively equipped with collet in a connector, is suitable for transmission cryogenic media, such as liquid nitrogen.Above-mentioned gasket is flake structure, excellent Choosing is set as low temperature resistant nonmetallic materials gasket, such as polytetrafluoroethylene sealing gasket, PTFE seal pad or polyimide seal Pad etc..
The present embodiment also provides a kind of cryoablation needle, which includes pipeline after syringe needle 4 and needle, pipeline after needle One end connect with syringe needle 4 by the first connector 3;Wherein, the first connector 3 is connector provided by the above embodiment.
Cryoablation needle provided in this embodiment applies above-mentioned connector, and user is facilitated to replace syringe needle 4, and it is quasi- to save operation consent It the standby time, improves efficiency.Meanwhile the cryoablation needle includes pipeline after the syringe needle 4 and needle that can mutually dismantle, after each use Syringe needle 4 is only replaced, reusable after pipeline is sterilized after needle, compared to not having connector, pipeline is after syringe needle 4 and needle The cryoablation needle of integral structure, can save material, avoid wasting.
Specifically, pipeline is connected with the second connector 200 of the first connector 3 after needle in the cryoablation needle, syringe needle 4 is arranged On the first connector 100 of the first connector 3;Pipeline includes wavy metal outer tube 2, medium delivery pipe and host connecting pin after needle Head;Wherein;2 both ends of wavy metal outer tube are connected with the second connector 200 and host connection end respectively, medium delivery pipe one end It is connected to second medium channel, the other end is connected to the medium channel of host connectivity port, and medium delivery pipe is located at metal In corrugated outer tube 2;Wavy metal outer tube 2, the second connector 200 and host connection end three surround vacuum chamber, the vacuum chamber It can prevent medium and external environment in medium delivery pipe from carrying out heat exchange, it is ensured that medium is maintained at preset temperature.Above-mentioned syringe needle 4 In the main element of the first connector 100 and syringe needle 4 also form vacuum chamber, and the vacuum chamber is connected to the vacuum layer of needle point, with Medium and external environment generate heat exchange in anti-syringe needle.
Below by taking first medium channel and second medium channel are respectively two as an example, the cryoablation needle is specifically introduced The course of work:
Liquid nitrogen fluid with pressure is from the host of cryoablation treatment device, after the needle of cryoablation needle in pipeline For the medium delivery pipe of influent stream, the influent stream core-pipe subassembly of syringe needle 4, the cryoablation needle point inner cavity of syringe needle 4 is reached, is led to after heat exchange Cross the medium delivery pipe after needle in pipeline for reflux and be back to host, liquid nitrogen not with direct body contact, by changing for host Hot device heating gasification, forms nitrogen, and be discharged into atmosphere.
Above-mentioned host connection end may be configured as the first connector 100 or the second connector 200 of the second connector 1.
The utility model embodiment also provides a kind of cryoablation treatment device, including host and by the second connector 1 with The connected cryoablation needle of main body, wherein the second connector 1 is connector provided by the above embodiment.
Specifically, the cryoablation needle may be configured as cryoablation needle provided by the above embodiment.
In cryoablation treatment device provided in this embodiment, cryoablation needle is connected by the second connector 1 with host, just Cryoablation needle be can be improved into efficiency by dismounting on host in user.Certainly, cryoablation treatment dress provided in this embodiment Setting also has the other effects provided by the above embodiment for having coila and cryoablation needle, and details are not described herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (10)

1. a kind of connector, which is characterized in that including
First connector, first connector are equipped with first medium channel;
Second connector, second connector are equipped with second medium channel;
Wherein, connection can be removedly fixed in first connector and second connector;In first connector and When second connector is fixedly connected, the first medium channel is connected to the second medium channel, and described first Medium channel and the second medium channel are sealed in junction.
2. connector according to claim 1, which is characterized in that first connector includes:
The inner wall of first shell, first shell is equipped with the first collet;
First plug, first plug are arranged in first shell;The first medium channel is arranged described first On plug.
3. connector according to claim 2, which is characterized in that second connector includes:
The inner wall of second housing, the second housing is equipped with the second collet;
Second plug, second plug are arranged in the second housing;The second medium channel is arranged described second On plug;Second plug is docked with first plug, and accompanies sealing between second plug and the first plug Pad.
4. connector according to claim 3, which is characterized in that first shell is equipped with connecting pin, outside described second Shell is equipped with the labyrinth card holding trough cooperated with the connecting pin;The connecting pin can be slided to along the opening of the labyrinth card holding trough End.
5. connector according to claim 4, which is characterized in that in both first connector and the second connector at least One is equipped with elastic component, and the elastic component is connected with the shell of the connector and plug, and the elastic component applies driving and is somebody's turn to do The power that plug is moved to outside the shell.
6. connector according to claim 1, which is characterized in that first connector and the second connection head thread connect It connects.
7. connector according to claim 3, which is characterized in that the end of first plug be equipped with tank, described second Plug is inserted into the tank, and the gasket is located in the tank.
8. connector according to claim 1, which is characterized in that the first medium channel is two, and one is used for influent stream, Another is for flowing back;The second medium channel is two, and one is used for influent stream, another is for flowing back;Wherein, for into The first medium channel of stream is connected to the second medium channel for influent stream;For reflux first medium channel and be used for The second medium channel of reflux is connected to;
Alternatively, the first medium channel and the second medium channel are respectively 1.
9. a kind of cryoablation needle, which is characterized in that including pipeline after syringe needle and needle, one end of pipeline passes through first after the needle Connector is connect with the syringe needle;First connector is connector described in claim 1-8 any one.
10. a kind of cryoablation treatment device, spy are, it is connected including host and by the second connector with the host cold Freeze ablation needle, wherein second connector is connector described in claim 1-8 any one.
CN201721610588.8U 2017-11-27 2017-11-27 Connector, cryoablation needle and cryoablation treatment device Withdrawn - After Issue CN208693431U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721610588.8U CN208693431U (en) 2017-11-27 2017-11-27 Connector, cryoablation needle and cryoablation treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721610588.8U CN208693431U (en) 2017-11-27 2017-11-27 Connector, cryoablation needle and cryoablation treatment device

Publications (1)

Publication Number Publication Date
CN208693431U true CN208693431U (en) 2019-04-05

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CN201721610588.8U Withdrawn - After Issue CN208693431U (en) 2017-11-27 2017-11-27 Connector, cryoablation needle and cryoablation treatment device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107822705A (en) * 2017-11-27 2018-03-23 海杰亚(北京)医疗器械有限公司 Joint, cryoablation pin and cryoablation treatment device
US11633224B2 (en) 2020-02-10 2023-04-25 Icecure Medical Ltd. Cryogen pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107822705A (en) * 2017-11-27 2018-03-23 海杰亚(北京)医疗器械有限公司 Joint, cryoablation pin and cryoablation treatment device
CN107822705B (en) * 2017-11-27 2024-04-19 海杰亚(北京)医疗器械有限公司 Joint, cryoablation needle and cryoablation treatment device
US11633224B2 (en) 2020-02-10 2023-04-25 Icecure Medical Ltd. Cryogen pump

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