CN106321987A - Ablation needle water tank sealing structure - Google Patents

Ablation needle water tank sealing structure Download PDF

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Publication number
CN106321987A
CN106321987A CN201610936988.1A CN201610936988A CN106321987A CN 106321987 A CN106321987 A CN 106321987A CN 201610936988 A CN201610936988 A CN 201610936988A CN 106321987 A CN106321987 A CN 106321987A
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CN
China
Prior art keywords
water tank
radio
cover plate
ablation needle
radio frequency
Prior art date
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Granted
Application number
CN201610936988.1A
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Chinese (zh)
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CN106321987B (en
Inventor
陈翠华
双建军
刘辉
李常青
冷德嵘
房留琴
张子蔚
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Nanjing Kang You Medical Science And Technology Co Ltd
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Nanjing Kang You Medical Science And Technology Co Ltd
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Priority to CN201610936988.1A priority Critical patent/CN106321987B/en
Publication of CN106321987A publication Critical patent/CN106321987A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02Sealing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02Sealing
    • F16L5/06Sealing by means of a swivel nut compressing a ring or sleeve

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Otolaryngology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

An ablation needle water tank sealing structure is characterized in that a water tank (1), a water tank cover plate (2), a nut (9) and a rod sleeve (10) are included; the water tank (1) and the water tank cover plate (2) are in sealed connection; the rod sleeve (10) stretches into the water tank (1); the nut (9) is arranged between the rod sleeve (10) and the water tank (1); the nut (9) is in threaded connection with the water tank (1); and a rod sleeve sealing ring (8) is arranged at the connecting position of the nut (9) and the water tank (1). According to the ablation needle water tank sealing structure, the welding process is simplified, the weight of the water tank is reduced, the sealing reliability is increased, and the production efficiency is improved.

Description

A kind of ablation needle tank seal structure
Technical field
The present invention relates to the ablation needle tank seal structure on the ablation needle that a kind of medical industry uses, feature is technique letter Single, seal reliable.
Background technology
The ablation needle tank seal structure that medical industry uses at present is general all with metal water tank soldering sealing, brings Problem be the quality of tank seal be all that the proficiency level of the soldering by workman ensures, and welding sequence is many, and production efficiency is low Under, and fraction defective is the highest, causes production cost to rise, and product serviceability is unreliable.
Summary of the invention
It is an object of the invention to for drawbacks described above, it is provided that the sealing structure of a kind of ablation needle water tank, simplify welding procedure, Reduce water tank weight, increase sealing reliability, improve production efficiency.
The technical scheme is that
A kind of ablation needle tank seal structure, including water tank (1), cistern cover plate (2), nut (9) and bar set (10), described Water tank (1) is tightly connected with cistern cover plate (2), and it is internal that bar set (10) stretches into water tank (1), sets between bar set (10) and water tank (1) Having nut (9), nut (9) to threaded with water tank (1), nut (9) and water tank (1) junction are provided with bar set sealing ring (8), bar Being provided with capillary tube (6) and radio-frequency cable (12) in set (10), cistern cover plate (2) is provided with radio frequency connector (4), water supply connector (5), water out adapter (7), radio-frequency cable (12) is connected with radio frequency connector (4) in water tank (1), and capillary tube (6) is in water tank (1) In be connected with water supply connector (5).
Described radio frequency connector (4) include radio frequency connector housing (19), radio-frequency cable sealing ring (15), copper sheathing (17) and Pad (18), the radio-frequency cable inner core (13) of described radio-frequency cable (12) is connected with radio frequency connector (4), radio-frequency cable (12) Copper sheathing (17) and pad (18) it is provided with, between copper sheathing (17) and radio-frequency cable (12) between end and radio frequency connector housing (19) It is provided with potted component.
Copper sheathing sealing ring (16), radio frequency connector housing it is provided with between described copper sheathing (17) and radio frequency connector housing (19) (19) end is provided with the screw-thread bush (14) of fixed RF cable (12).
2 temperature contact pins (3), 2 temperature contact pins (3) are had to connect critesistor (11) respectively on described cistern cover plate (2) 2 electrodes, critesistor (11) is fixed in the groove of nut (9).
Described cistern cover plate (2) is moulding, and 2 temperature contact pins (3) are molded nested encryptions with cistern cover plate (2) respectively.
Described water tank (1) and cistern cover plate (2) are fixed together by after ultrasonic bonding.
Described cistern cover plate (2) is moulding, radio frequency connector (4), water supply connector (5), water out adapter (7) respectively with water Cover plate (2) injection nested encryptions.
The invention has the beneficial effects as follows:
The sealing structure of the ablation needle water tank of the present invention, simplifies welding procedure, reduces water tank weight, increases and seals reliably Property, improve production efficiency.
The sealing structure water tank of the ablation needle water tank of the present invention and cistern cover plate ultrasonic bonding, play sealing function
The sealing structure of the ablation needle water tank of the present invention screws in compressor arm set sealing ring by nut, plays well sealing Effect.
The metal parts sealed on constitution water cover plate of the ablation needle water tank of the present invention is directly set in above, plays sealing Effect, adapter lining and shell mechanism change, increase copper sheathing and sealing ring, eliminate welding.Reduce welding, it is possible to reduce raw Produce line procedures, it is easy to assembling, reduce production cost, improve production efficiency.
The sealing structure of the ablation needle water tank of the present invention, owing to employing moulding, alleviates weight and reduces welding sequence, Avoiding directly welding the risk causing working of plastics deformation to cause part rejection, the sealing structure of the ablation needle water tank of the present invention is even Connecing device shell and be directly bumped into moulding, adapter lining and shell use and are threaded into fixed form and connect.
The sealing ring of the sealing structure of the ablation needle water tank of the present invention and the employing of copper sheathing, efficiently solve waterproof sealing. Seal the most manually welding before not improving to ensure, weld interval length and also the reliability of welded seal cannot be ensured, and Efficiency is low, and labour cost is high.
Accompanying drawing explanation
Fig. 1 is the overall structure cross-sectional schematic of the water tank of the present invention.
Fig. 2 is the structure cross-sectional schematic of the radio frequency connector part of the present invention.
Fig. 3 is the detonation configuration schematic diagram of the water tank of the present invention.
Fig. 4 is the detonation configuration schematic diagram of the radio frequency coupling part of the present invention.
In figure: 1 be water tank, 2 be cistern cover plate, 3 be temperature contact pin, 4 be radio frequency connector, 5 be water supply connector, 6 for hair Tubule, 7 be water out adapter, 8 be bar set sealing ring, 9 for nut, 10 for bar set, 11 for critesistor, 12 for radio-frequency cable, 13 For radio-frequency cable inner core, 14 be screw-thread bush, 15 for radio-frequency cable sealing ring, 16 for copper sheathing sealing ring, 17 for copper sheathing, 18 for pad Sheet, 19 it is radio frequency connector housing.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings:
As shown in Figure 1 to Figure 4, a kind of ablation needle tank seal structure, including water tank (1), cistern cover plate (2), nut (9) and bar Set (10), described water tank (1) is tightly connected with cistern cover plate (2), and it is internal that bar set (10) stretches into water tank (1), bar set (10) and water Being provided with nut (9) between case (1), nut (9) is threadeded with water tank (1), and nut (9) and water tank (1) junction are provided with bar set Sealing ring (8), is provided with capillary tube (6) and radio-frequency cable (12) in bar set (10), cistern cover plate (2) is provided with radio frequency connector (4), water supply connector (5), water out adapter (7), radio-frequency cable (12) is connected with radio frequency connector (4) in water tank (1), capillary tube (6) it is connected with water supply connector (5) in water tank (1).
Described radio frequency connector (4) include radio frequency connector housing (19), radio-frequency cable sealing ring (15), copper sheathing (17) and Pad (18), the radio-frequency cable inner core (13) of described radio-frequency cable (12) is connected with radio frequency connector (4), radio-frequency cable (12) Copper sheathing (17) and pad (18) it is provided with, between copper sheathing (17) and radio-frequency cable (12) between end and radio frequency connector housing (19) It is provided with radio-frequency cable sealing ring (15).
Copper sheathing sealing ring (16), radio frequency connector housing it is provided with between described copper sheathing (17) and radio frequency connector housing (19) (19) end is provided with the screw-thread bush (14) of fixed RF cable (12).
2 temperature contact pins (3), 2 temperature contact pins (3) are had to connect critesistor (11) respectively on described cistern cover plate (2) 2 electrodes, critesistor (11) is fixed in the groove of nut (9).
Described cistern cover plate (2) is moulding, and 2 temperature contact pins (3) are molded nested encryptions with cistern cover plate (2) respectively.
Described water tank (1) and cistern cover plate (2) are fixed together by after ultrasonic bonding.
Described cistern cover plate (2) is moulding, radio frequency connector (4), water supply connector (5), water out adapter (7) respectively with water Cover plate (2) injection nested encryptions.
When assembling, first radio-frequency cable 12 and capillary tube 6 insertion rod being overlapped 10, bar set 10 is penetrated by the hole on water tank 1 Water tank, on the one hand radio-frequency cable inner core 13 inserts radio frequency connector 4, with radio-frequency cable sealing ring (15) and copper sheathing sealing ring (16) Seal, and it be fixing to screw in radio frequency connector housing (19) with screw-thread bush (14), afterwards at screw-thread bush (14) top glue or Stannum is fixed, and during on the other hand capillary tube 6 is inserted into water swivel 5, top glue or stannum seal fixing, have fixed when the inside connects After, water tank 1 and cistern cover plate 2 are fixed together by after ultrasonic bonding, then barre set sealing ring (8) and nut (9) Being encased in the screwed hole of water tank 1 from syringe needle opposite direction successively, screw female 9, at this moment the inside becomes is a space closed.
Water only enters from water supply connector 5, after cooling water enters ablation needle inside by capillary tube 6, along bar set 10 with penetrate Frequently the space reflow tank 1 between cable 12 is internal, flows out from water out adapter 6, makes water constantly circulate in water tank 1, reach cold But the effect of ablation needle.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not structure to the present invention Thinking and scope is defined, without departing under design concept premise of the present invention, in this area, ordinary skill technical staff is to this Various modification that bright technical scheme is made and improvement, all should fall into protection scope of the present invention, the skill that the present invention is claimed Art content is the most all recorded in detail in the claims.

Claims (7)

1. an ablation needle tank seal structure, is characterized in that including water tank (1), cistern cover plate (2), nut (9) and bar set (10), described water tank (1) is tightly connected with cistern cover plate (2), and it is internal that bar set (10) stretches into water tank (1), bar set (10) and water tank (1) being provided with nut (9) between, nut (9) is threadeded with water tank (1), and it is close that nut (9) and water tank (1) junction are provided with bar set Seal (8), is provided with capillary tube (6) and radio-frequency cable (12) in bar set (10), cistern cover plate (2) be provided with radio frequency connector (4), Water supply connector (5), water out adapter (7), radio-frequency cable (12) is connected with radio frequency connector (4) in water tank (1), capillary tube (6) It is connected with water supply connector (5) in water tank (1).
A kind of ablation needle tank seal structure the most according to claim 1, it is characterised in that described radio frequency connector (4) wraps Include radio frequency connector housing (19), radio-frequency cable sealing ring (15), copper sheathing (17) and pad (18), described radio-frequency cable (12) Radio-frequency cable inner core (13) is connected with radio frequency connector (4), the end of radio-frequency cable (12) and radio frequency connector housing (19) it Between be provided with copper sheathing (17) and pad (18), be provided with potted component between copper sheathing (17) and radio-frequency cable (12).
A kind of ablation needle tank seal structure the most according to claim 2, it is characterised in that described copper sheathing (17) and radio frequency Being provided with copper sheathing sealing ring (16) between connector shell (19), radio frequency connector housing (19) end is provided with fixed RF cable (12) screw-thread bush (14).
A kind of ablation needle tank seal structure the most according to claim 1, it is characterised in that described cistern cover plate has on (2) 2 temperature contact pins (3), 2 temperature contact pins (3) connect 2 electrodes of critesistor (11) respectively, and critesistor (11) is fixed on In the groove of nut (9).
A kind of ablation needle tank seal structure the most according to claim 1, it is characterised in that described water tank (1) and tank lid Plate (2) is fixed together by after ultrasonic bonding.
A kind of ablation needle tank seal structure the most according to claim 1, it is characterised in that described cistern cover plate (2) is note Plastic, radio frequency connector (4), water supply connector (5), water out adapter (7) are molded nested encryptions with cistern cover plate (2) respectively.
A kind of ablation needle tank seal structure the most according to claim 4, it is characterised in that described cistern cover plate (2) is note Plastic, 2 temperature contact pins (3) are molded nested encryptions with cistern cover plate (2) respectively.
CN201610936988.1A 2016-10-25 2016-10-25 A kind of ablation needle tank seal structure Active CN106321987B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN106321987B CN106321987B (en) 2018-09-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109667991A (en) * 2017-10-17 2019-04-23 德尔格制造股份两合公司 Sealing device and medical instrument at least one sealing device
CN113397696A (en) * 2021-06-29 2021-09-17 南京诺源医疗器械有限公司 Ablation needle
CN115778526A (en) * 2022-07-11 2023-03-14 南京康友医疗科技有限公司 Microwave, radio frequency and temperature measurement integrated ablation needle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101711705A (en) * 2009-11-18 2010-05-26 南京康友微波能应用研究所 Microwave ablation needle and microwave ablation therapeutic apparatus thereof
CN203564330U (en) * 2013-11-28 2014-04-30 南京亿高微波***工程有限公司 Intelligent microwave ablation electrode
KR101522662B1 (en) * 2013-11-27 2015-05-27 주식회사 스타메드 An electrode device for a high frequency treatment
CN205054430U (en) * 2015-09-11 2016-03-02 盛林 Microwave ablation needle
CN206257371U (en) * 2016-10-25 2017-06-16 南京康友医疗科技有限公司 A kind of ablation needle tank seal structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101711705A (en) * 2009-11-18 2010-05-26 南京康友微波能应用研究所 Microwave ablation needle and microwave ablation therapeutic apparatus thereof
KR101522662B1 (en) * 2013-11-27 2015-05-27 주식회사 스타메드 An electrode device for a high frequency treatment
CN203564330U (en) * 2013-11-28 2014-04-30 南京亿高微波***工程有限公司 Intelligent microwave ablation electrode
CN205054430U (en) * 2015-09-11 2016-03-02 盛林 Microwave ablation needle
CN206257371U (en) * 2016-10-25 2017-06-16 南京康友医疗科技有限公司 A kind of ablation needle tank seal structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109667991A (en) * 2017-10-17 2019-04-23 德尔格制造股份两合公司 Sealing device and medical instrument at least one sealing device
CN113397696A (en) * 2021-06-29 2021-09-17 南京诺源医疗器械有限公司 Ablation needle
CN115778526A (en) * 2022-07-11 2023-03-14 南京康友医疗科技有限公司 Microwave, radio frequency and temperature measurement integrated ablation needle
CN115778526B (en) * 2022-07-11 2023-08-29 南京康友医疗科技有限公司 Microwave, radio frequency and temperature measurement integrated ablation needle

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