CN106388930A - Cold and hot knife working station and control method - Google Patents
Cold and hot knife working station and control method Download PDFInfo
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- CN106388930A CN106388930A CN201610874755.3A CN201610874755A CN106388930A CN 106388930 A CN106388930 A CN 106388930A CN 201610874755 A CN201610874755 A CN 201610874755A CN 106388930 A CN106388930 A CN 106388930A
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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
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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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
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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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
- A61B18/14—Probes or electrodes therefor
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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
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00022—Sensing or detecting at the treatment site
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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
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00017—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids with gas
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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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
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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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00714—Temperature
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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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
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Abstract
The invention relates to a cold and hot knife working station. The cold and hot knife working station comprises a high-frequency electric knife system, a cold knife system and an integrated control system, wherein the integrated control system is used for controlling the high-frequency electric knife system and the cold knife system to convey high-frequency current and a refrigerant to a tool bit of a surgical knife device at the same time or in sequence. The cold and hot knife working station is reasonable in structure, advanced in design, safe and reliable to use, low in cost, high in integration, high in flexibility and long in service life. According to the working station provided by the invention, a cold knife and a hot knife are perfectly combined, an unexpected effect is achieved through the combination and the cold knife and the hot knife are not simply combined; the cold and hot knife working station has a surgical effect when the hot knife is used for slicing, and also has a low-temperature protection effect of the cold knife; and tissues are taken out through freezing and the hot knife is cooled, so that the surgical effect is extremely improved.
Description
Technical field
The present invention relates to cold and hot knife work station and control method.
Background technology
Cryosurgical treatment instrument comes across 1967, and he is used carbon dioxide or nitrous oxide as refrigerant, using Jiao
Ear Tom's Sun effect makes the gases at high pressure method that adiabatic expansion produces low temperature by orifice restriction, cool the temperature to -70～-
80°C.Freezing can make the water crystallization Cheng Bing in human tissue cell, and cessation of cell division simultaneously melts, and blood flow stops, microthrombus shape
Become, lead to cell death.Cold therapy is usually used in the palliative resction of the malignant tumour, excision of the early stage of lung cancer in bronchus, good
The excision of property tumour, hemostasis, taking-up of respiratory tract foreign body etc..The advantage of cold therapy：It is easily controlled the depth of freezing, thus wear
The danger in hole is little；Not damaged cartilage in therapeutic process；Due to there is no high frequency electrical effect, thus can be used for suffering from equipped with pacemaker
Person；No fire hazard；Do not damage support, can be used for good in support, malignant tissue's hyperplasia treatment.
Electric knife is applied to clinic so far from nineteen twenty, the history of existing more than 70 year, and electric knife is a kind of replacement
Mechanical operation knife carries out the electrosurgical unit of tissue cutting.It is by the most advanced and sophisticated high-frequency high-voltage current producing of active electrode and human body
During contact, tissue is heated, realize the separation to injected organism tissue and solidification, thus playing cutting and the purpose of hemostasis.At present
Not only in open surgery, such as general surgery, chest is outer, brain is outer, ENT dept., decorative sursery are widely used, and more next
Apply in various ESSs, such as manyly：Laparoscope, prostate are cut in the operation such as mirror, gastroscope, cystoscope, hysteroscope.
Because electric knife can be cut and blood coagulation simultaneously, it is difficult in the operation entering and implementing in mechanical operation knife
（As：The ligation of belly pipeline, prostate-urethra Tumor resection）It is able to commonly used.
The coagulating effectiveness that electric knife projects, makes it be widely used in diffusivity oozing of blood position such as liver, spleen, first shape
In gland, mammary gland, pulmonary surgery.
Content of the invention
The technical problem to be solved is to provide a kind of reasonable in design, compact conformation and cold and hot knife easy to use
Work station and control method.
For solving the above problems, the technical solution used in the present invention is：
A kind of cold and hot knife work station, including electric knife system, cryoprobe system and complex control system；
Complex control system controls electric knife system and cryoprobe system simultaneously or in order to the cutter head conveying of operating knife device
High frequency electric and refrigerant.
Improvement further as technique scheme：
Described complex control system includes cold and hot control unit processor and cold and hot work station output interface；Cold and hot work station is defeated
High-frequency circuit and refrigerant are transported to the cutter head end of operating knife device by outgoing interface.
Described electric knife system includes electric knife and module and electric knife therapy apparatus control module occurs；
Electric knife occurs module to include high-frequency and high-voltage generator and electric knife interface；
Electric knife therapy apparatus control module includes the controlling switch module for controlling high-frequency and high-voltage generator；
Cold and hot control unit processor controls controlling switch module；
The high frequency electric that high-frequency and high-voltage generator produces enters cold and hot work station output interface by electric knife interface.
Described cryoprobe system includes refrigerant source of the gas, cryosurgical treatment machine control module and cryoprobe interface；
Cryosurgical treatment machine control module includes refrigerant control valve；
Cold and hot control unit processor controls break-make and/or the aperture size of refrigerant control valve；
Refrigerant control valve controls the refrigerant in refrigerant source of the gas to enter cold and hot work station output interface by cryoprobe interface.
Described cryoprobe system also includes the refrigerant pressure adjustment unit for adjusting refrigerant source of the gas output pressure and/or is used for
The refrigerant pressure detector unit of detection refrigerant source of the gas output pressure；
Refrigerant pressure adjustment unit and/or refrigerant pressure detector unit are arranged on the gas circuit between refrigerant source of the gas and refrigerant control valve
On；
Cryosurgical treatment machine control module also includes the cryogenic temperature inspection of the refrigerant temperature for detecting cryoprobe interface
Survey unit；
Cryogenic temperature detector unit is unidirectional with cold and hot control unit processor to be electrically connected or two-way electrical connection.
Described complex control system also includes cold and hot work station display unit and/or cold and hot work station arranging unit；
The output end of cold and hot control unit processor is electrically connected and/or cold and hot work station with cold and hot work station display unit input
The input of arranging unit is electrically connected with cold and hot work station display unit output end.
Described electric knife system also includes inert gas module；
Inert gas module includes noble gas source；Inert gas is argon gas
Inert gas in noble gas source enters cold and hot work station output interface by inert gas control valve.
Inert gas module also includes the inert gas pressure adjustment unit for adjusting noble gas source output pressure
And/or for detecting the inert gas pressure detector unit of noble gas source output pressure；
Inert gas pressure adjustment unit and/or inert gas pressure detector unit are arranged on noble gas source and inert gas
Between control valve.
A kind of control method of cold and hot knife work station, by means of above-mentioned work station, specifically includes following steps：Pass through
Cold and hot control unit processor controls inert gas control valve, refrigerant control valve and controlling switch module, connects in electric knife
Mouth inputs high frequency electric to cold and hot work station output interface and noble gas source inputs inertia to cold and hot work station output interface
While gas or afterwards, refrigerant source of the gas inputs refrigerant to cold and hot work station output interface.
A kind of control method of cold and hot knife work station, by means of above-mentioned work station, specifically includes following steps：Pass through
Cold and hot control unit processor controls refrigerant control valve and controlling switch module, defeated to cold and hot work station in electric knife interface
Simultaneously or after, refrigerant source of the gas inputs refrigerant to cold and hot work station output interface to outgoing interface input high frequency electric.
Have the beneficial effects that using produced by technique scheme：
Present configuration is reasonable, advanced design, safe and reliable, with low cost, integrated height, and flexibility is strong, service life
Long.By above-mentioned work station it is achieved that the perfect adaptation of cold and hot knife, and it combines and creates unexpected effect the present invention,
Not simple combination, when both there is hot knife cutting, surgical effect, there is the low-temperature protection effect of cryoprobe again, and by freezing
Take out tissue, hot knife is lowered the temperature, drastically increases surgical effect.
This patent is to integrate two kinds for the treatment of means, and doctor changes treatment side in time according to present situation in the state of an illness and art
Method, patient is obtained in that optimal treatment.
The invention of this patent originality have developed the cold and hot scalpel integrating cryoprobe and electric knife electrode, in operation
First lesions position is cooled down, then with electric knife cutting it is therefore prevented that the damage to surrounding tissue for the electric current heat, and can effectively reduce art
Middle amount of bleeding, reduces postoperative complications, beneficial to the fast quick-recovery of patient's wound.Preferably, this product has independent electricity
The function of knife and the function of cold therapy.This product can be used alone electric knife or be used alone cryoprobe.It is provided with each only
Vertical electric knife control module and cold therapy machine control module, two modules do not interfere with each other, can independent operating.This product has electricity
The function that knife and cold therapy use simultaneously.Carry out electric knife and cold therapy in same patient different parts simultaneously.This
Product has the output port integrating freezing, electric knife, and cold and hot knife supports the use, and knife both can be used as freezing and can
To use as electric knife, can switch at any time in use.This product has internal precooling electric knife electrode output function.In surgical procedure
In by refrigeration system to electric knife electrode lower the temperature, electric knife can be made continuously to work.This product guidance panel has this product peculiar
Road or multichannel cold and hot knife interface.
Defeated by transit joint 31, out splice going splice 30, right jointing 51, inert gas delivery pipe 32 and refrigerant high frequency
Send pipe 33 to realize the connection of work station and scalpel, it is increased by inert gas delivery pipe 32 and refrigerant high frequency delivery pipe 33
Flexibility, ensures its rigidity by transit joint 31, out splice going splice 30, right jointing 51；Increase its accommodation, using spirit
Live, be connected firmly, durable.Refrigerant pipeline appropriate design, air-tightness is good, safe and reliable, saves space, reduces in conveying
During loss, screw thread compress, convenient disassembly, good sealing effect, gap passage has been greatly saved space, reduces volume,
Shuttle-type structure, air-tightness is good, and compression is firmly, by insulation set, safe and reliable, both can ensure that electric current smoothly reached operation end
Head, but safe and reliable.Position detecting device it is ensured that install position robust.By position detecting device, by report
Alert circuit judges break-make, convenient intelligence, facilitate implementation automation.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Fig. 3 is the structural representation of the corresponding piecing devices of the embodiment of the present invention 1.
Fig. 4 is the configuration schematic diagram of out splice going splice of the present invention.
Fig. 5 is the structural representation of the right jointing of the present invention.
Fig. 6 is the structural representation of transit joint of the present invention.
Fig. 7 is present invention control system block diagram corresponding with embodiment 1.
Fig. 8 is present invention control system block diagram corresponding with embodiment 2.
Fig. 9 is the structural representation of the corresponding piecing devices of the embodiment of the present invention 2.
Wherein：1st, radio-frequency electrode；2nd, cold head；3rd, central tube；4th, inner sleeve；5th, outer tube；6th, guide holder；7th, leading outside
Seam；8th, fixed seat；9th, ventilating joint；10th, external compression set；11st, inner support set；12nd, connector；13rd, tailstock hydraulic quick coupler；
14th, insulated enclosure set；15th, throttle orifice；16th, inert gas passage；17th, sliding ring；19th, passage；21st, the first refrigerant
Passage；22nd, the second refrigerant passage；
30th, out splice going splice；31st, transit joint；32nd, inert gas delivery pipe；33rd, refrigerant high frequency delivery pipe；34th, inner tube；35th, outer
Pipe；36th, circuit lines passage；37th, left positioning end；38th, export seat；39th, left second inner stopper；40th, through hole in first；41st,
One coolant loop passage；42nd, the first right seam；43rd, the first right connecting hole；44th, the first insulating bushing；45th, the first conductive seat；
46th, the first inner via hole screw；47th, the first connecting bushing；48th, the first return gas channel；49th, the first shuttle set；50th, the first right connection
Set；51st, right jointing；52nd, right locking nut；53rd, the second shuttle set；54th, the second left shuttle mouth；55th, the second right-hand thread axle；56、
Through hole in second；57th, the second outer shaft shoulder；58th, the second radial direction through hole；59th, right second male half coupling；60th, transition seat；61st, the 3rd is left
Radial hole；62nd, the 3rd insulation radially covers；63rd, the 3rd right radial hole；64th, the 3rd axial dielectric set；65th, the 3rd conductive seat； 67、
Approximated position switchs；68th, back-moving spring；69th, position sensing bar；70th, the 3rd inert gas passage；71st, the 3rd left inner stopper；
72nd, the 3rd left interior only hole；91st, noble gas source；92nd, inert gas pressure adjustment unit；93rd, inert gas pressure detection
Unit；94th, high-frequency and high-voltage generator；95th, controlling switch module；96th, inert gas control valve；97th, electric knife therapy apparatus control
Molding block；98th, electric knife interface；99th, refrigerant source of the gas；100th, refrigerant pressure adjustment unit；101st, refrigerant pressure detector unit；
102nd, cryosurgical treatment machine control module；103rd, refrigerant control valve；104th, cryoprobe interface；105th, cryogenic temperature detection
Unit；106th, cold and hot work station display unit；107th, cold and hot work station arranging unit；108th, cold and hot control unit processor；
109th, cold and hot work station output interface.
Specific embodiment
Embodiment 1：As shown in figure 1, the present embodiment includes high-frequency electric knife device and refrigerating plant, high-frequency electric knife device bag
Include the conductor for the radio-frequency electrode 1 of hot resection organization and for conveying electric current to radio-frequency electrode 1；
Refrigerating plant is included for the cold head 2 of cold resection organization and for the pipeline to cold head 2 cooling refrigeration；
High-frequency electric knife device and refrigerating plant are integrated in one.
Further, preferably, can be by external for radio-frequency electrode 1 left end in cold head 2 it is also possible to by outside radio-frequency electrode 1
Put the side in cold head 2.
Further, including left end and the cold head 2 right side central tube 3 being connected, the inner sleeve 4 being sleeved on central tube 3, setting
In the throttle orifice 15 on central tube 3 left end or lateral wall, the first refrigerant passage 21 of being arranged in inner sleeve 4 endoporus and setting
The second refrigerant passage 22 between central tube 3 and inner sleeve 4；Cold head 2 is tightly connected with inner sleeve 4 left end；
First refrigerant passage 21 is connected with the second refrigerant passage 22 by throttle orifice 15.As malformation, can be by central tube 3
Can be independently arranged side by side respectively with inner sleeve 4.
Central tube 3, inner sleeve 4 and outer tube 5 are flexible pipe, and preferably below wall thickness 1mm is preferred with 0.05-0.1mm.
Further, also include being arranged on the connector 12 of inner sleeve 4 right-hand member, connector 12 right-hand member is provided with tailstock quick change
Joint 13, is provided with connector 12 and covers 10 and inner support set 11 for the external compression compressing inner sleeve 4 right-hand member, in central tube
It is provided with insulated enclosure set 14 between 3 lateral wall and tailstock hydraulic quick coupler 13 endoporus side wall；Prevent from getting an electric shock, fixation, knot
Structure is reasonable；
Connector 12 or tailstock hydraulic quick coupler 13 are provided with the passage 19 connecting with the second refrigerant passage 22, return-air is arranged
Go out in air, as malformation, cold media gas can be arranged with reverse flow.
Preferably, cold head 2 is silver, copper, stainless steel or titanium, central tube 3 is stainless steel flexible hose, and inner sleeve 4 is polytetrafluoro
Ethylene tube, nylon tube or rubber tube；Inner support set 11 is insulation sleeve.
Preferably, the left inside seam of connector 12 covers 10 left outside seams with external compression threadeding, external compression set 10 is right interior
Seam covers 11 right male half couplings with inner support and threadeds.
Wherein, central tube 3 right-hand member and power electric connection, can input high-frequency high-voltage current to radio-frequency electrode 1.
The cutting tissue operation method of the present embodiment, by means of above-mentioned device, specifically includes following steps：
Step a：Scalpel positions, by central tube 3 and inner sleeve 4 along tissue flexure and enter human body so that radio-frequency electrode 1 with cold
2 be aligned lesion tissue；
Step b：After execution step a, refrigerant is passed through by central tube 3, after throttle orifice 15, cold head 2 fast cooling is freezed, lead to
Cross cold head 2 and Cryosurgery ablation is carried out to lesion tissue；
Step c：After execution step a, central tube 3 is energized, and radio-frequency electrode 1 is to lesion tissue electric discharge excision ablation；
Step d：After execution step a, central tube 3 is energized, and radio-frequency electrode 1 is to lesion tissue electric discharge excision ablation；In radio-frequency electrode 1
To lesion tissue electric discharge excision ablation simultaneously and/or radio-frequency electrode 1 to lesion tissue electric discharge excision ablation after to passing through in
Heart pipe 3 is passed through refrigerant, after throttle orifice 15, cold head 2 fast cooling is freezed, carries out Cryosurgery by cold head 2 to lesion tissue
Tissue under cutting is taken out in vitro by ablation and/or freezing.
Embodiment 2：As shown in Fig. 2 the present embodiment, compared to embodiment 1, increased inert gas shielding, including indifferent gas
Body high-frequency electric knife device and refrigerating plant, inert gas high-frequency electric knife device include radio-frequency electrode 1 for hot resection organization,
For surround when conveying the conductor of electric current to radio-frequency electrode 1, earnestly removing the inert gas of radio-frequency electrode 1 and Dai Re resection organization with
And for conveying the pipeline of inert gas；The preferred inert gas of inert gas, the CO2 gas of the preferred high pressure of refrigerant.
Refrigerating plant is included for the cold head 2 of cold resection organization and for the pipeline to cold head 2 cooling refrigeration；
Inert gas high-frequency electric knife device and refrigerating plant are integrated in one.
Further, including left end and the cold head 2 right side central tube 3 being connected, the inner sleeve 4 being sleeved on central tube 3, setting
In the throttle orifice 15 on central tube 3 left end or lateral wall, the first refrigerant passage 21 of being arranged in inner sleeve 4 endoporus and setting
The second refrigerant passage 22 between central tube 3 and inner sleeve 4；Cold head 2 is tightly connected with inner sleeve 4 left end；
First refrigerant passage 21 is connected with the second refrigerant passage 22 by throttle orifice 15.
Further, outer tube 5 is set with inner sleeve 4, between inner sleeve 4 and outer tube 5, is provided with inert gas
Passage 16；Along the axis projection of outer tube 5, outer tube 5 surrounds radio-frequency electrode 1 and arranges.
Further, the right-hand member in outer tube 5 is provided with guide holder 6, is set with fixed seat 8 on outer tube 5, is fixing
Seat 8 left ends be provided with leading guide holder 6 slides setting along leading to male half coupling 7 to male half coupling 7, guide holder 6 with leading outwards
It is provided with sliding ring 17 between seam 7.
Further, the ventilating joint 9 for connecting noble gas source is provided with guide holder 6 or fixed seat 8, ventilation
Joint 9 is connected with inert gas passage 16.
Further, it is provided with connector 12 in fixed seat 8 right-hand member inner stopper, connector 12 right-hand member is provided with tailstock fast
Changing-over 13, is provided with connector 12 and covers 10 and inner support set 11 for the external compression compressing inner sleeve 4 right-hand member, at center
It is provided with insulated enclosure set 14 between the lateral wall of pipe 3 and tailstock hydraulic quick coupler 13 endoporus side wall；
The passage 19 being connected with the second refrigerant passage 22 is provided with connector 12 or tailstock hydraulic quick coupler 13.
Further, cold head 2 is silver, copper, stainless steel or titanium, and central tube 3 is metal hose, and inner sleeve 4 with outer tube 5 is
Polyfluortetraethylene pipe, nylon tube or rubber tube；Inner support set 11 is insulation sleeve.
The cutting tissue operation method of the present embodiment, by means of above-mentioned device, specifically includes following steps：
Step a：Scalpel positions, and promotes guide holder 6, central tube 3, inner sleeve 4 and outer tube 5 along tissue flexure and enter people
Body is so that radio-frequency electrode 1 is directed at lesion tissue with cold head 2；
Step b：After execution step a, promote guide holder 6 to make cold head 2 be exposed to the left end of outer tube 5, lead to by central tube 3
Enter refrigerant, after throttle orifice 15, cold head 2 fast cooling is freezed, Cryosurgery ablation is carried out to lesion tissue by cold head 2；
Step c：After execution step a, first, promote guide holder 6 to make cold head 2 be built in the left end of outer tube 5, then, pass through
Ventilating joint 9 sprays inert gas with inert gas passage 16 to radio-frequency electrode 1, and and then, central tube 3 is energized, radio-frequency electrode 1
To lesion tissue electric discharge excision ablation；
Step d：After execution step a, first, promote guide holder 6 to make cold head 2 be built in the left end of outer tube 5, then, pass through
Ventilating joint 9 sprays inert gas with inert gas passage 16 to radio-frequency electrode 1, and and then, central tube 3 is energized, radio-frequency electrode 1
To lesion tissue electric discharge excision ablation；In radio-frequency electrode 1 to lesion tissue electric discharge excision ablation simultaneously and/or in radio-frequency electrode 1
It is passed through refrigerant to after lesion tissue electric discharge excision ablation to by central tube 3, to cold head 2 fast cooling system after throttle orifice 15
Cold, Cryosurgery ablation is carried out by cold head 2 to lesion tissue and/or the tissue under cutting is taken out in vitro by freezing.
As shown in figs 1-9, the cold and hot knife work station of the present embodiment, including electric knife system, cryoprobe system and synthesis
Control system；
Complex control system controls electric knife system and cryoprobe system simultaneously or in order to the cutter head conveying of operating knife device
High frequency electric and refrigerant.
Complex control system includes cold and hot control unit processor 108 and cold and hot work station output interface 109；Cold and hot work
Make the cutter head end that high-frequency circuit and refrigerant are transported to operating knife device by station output interface 109.
Electric knife system includes electric knife and module and electric knife therapy apparatus control module 97 occurs；
Electric knife occurs module to include high-frequency and high-voltage generator 94 and electric knife interface 98；
Electric knife therapy apparatus control module 97 includes the controlling switch module 95 for controlling high-frequency and high-voltage generator 94；
Cold and hot control unit processor 108 controls controlling switch module 95；
The high frequency electric that high-frequency and high-voltage generator 94 produces enters cold and hot work station output interface by electric knife interface 98
109.
Cryoprobe system includes refrigerant source of the gas 99, cryosurgical treatment machine control module 102 and cryoprobe interface
104；
Cryosurgical treatment machine control module 102 includes refrigerant control valve 103；
Cold and hot control unit processor 108 controls break-make and/or the aperture size of refrigerant control valve 103；
It is defeated that refrigerant control valve 103 controls the refrigerant in refrigerant source of the gas 99 to enter cold and hot work station by cryoprobe interface 104
Outgoing interface 109.
Cryoprobe system also includes the refrigerant pressure adjustment unit 100 for adjusting refrigerant source of the gas 99 output pressure and/or uses
Refrigerant pressure detector unit 101 in detection refrigerant source of the gas 99 output pressure；
Refrigerant pressure adjustment unit 100 and/or refrigerant pressure detector unit 101 are arranged on refrigerant source of the gas 99 and refrigerant control valve
In gas circuit between 103；
Cryosurgical treatment machine control module 102 also includes the freezing of the refrigerant temperature for detecting cryoprobe interface 104
Temperature detecting unit 105；
Cryogenic temperature detector unit 105 is unidirectional with cold and hot control unit processor 108 to be electrically connected or two-way electrical connection.
Complex control system also includes cold and hot work station display unit 106 and/or cold and hot work station arranging unit 107；
The output end of cold and hot control unit processor 108 is electrically connected and/or cold and hot with cold and hot work station display unit 106 input
The input of work station arranging unit 107 is electrically connected with cold and hot work station display unit 106 output end.
Electric knife system also includes inert gas module；
Inert gas module includes noble gas source 91；
Inert gas in noble gas source 91 enters cold and hot work station output interface 109 by inert gas control valve 96.
Inert gas module also includes adjusting list for the inert gas pressure adjusting noble gas source 91 output pressure
Unit 92 and/or the inert gas pressure detector unit 93 for detecting noble gas source 91 output pressure；
Inert gas pressure adjustment unit 92 and/or inert gas pressure detector unit 93 be arranged on noble gas source 91 with lazy
Between property gas control valve 96.
The control method of the cold and hot knife work station of the present embodiment, by means of described work station, specifically includes following steps：
Inert gas control valve 96, refrigerant control valve 103 and controlling switch module are controlled by cold and hot control unit processor 108
95, input high frequency electric and noble gas source 91 to cold and hot in electric knife interface 98 to cold and hot work station output interface 109
While work station output interface 109 input inert gas or afterwards, refrigerant source of the gas 99 is defeated to cold and hot work station output interface 109
Enter refrigerant.
The control method of the cold and hot knife work station of the present embodiment, by means of described work station, specifically includes following step
Suddenly：Refrigerant control valve 103 and controlling switch module 95 are controlled by cold and hot control unit processor 108, connects in electric knife
To cold and hot work station output interface 109 input high frequency electric simultaneously or after, refrigerant source of the gas 99 exports mouth 98 to cold and hot work station
Interface 109 inputs refrigerant.
Specifically：Including step (i)：Execution operation consent checking workstation, first, is examined by refrigerant pressure detector unit 101
Measuring pressure, detects pressure by inert gas pressure detector unit 93, by cold and hot work station arranging unit 107 to cold and hot control
The default work order of Cell processor 108 input；Then, output pressure is adjusted by refrigerant pressure adjustment unit 100, by lazy
Property gas pressure adjustment unit 92 adjust output pressure, by cold and hot control unit processor 108 or manually set cryogenic temperature
The temperature upper limit of detector unit 105 or lower numerical limit；
Step is (ii)：Presetting examination scalpel, first, controls inert gas control valve 96, cold by cold and hot control unit processor 108
Matchmaker's control valve 103 and controlling switch module 95；
When the refrigerant temperature according to pre- debugging result, refrigerant air pressure and/or inert gas air pressure do not meet default provisioning request, lead to
Cross refrigerant pressure regulating unit 100 and adjust output pressure, output pressure is adjusted by inert gas pressure adjustment unit 92, until
It reaches default provisioning request；When the refrigerant temperature of pre- debugging result, refrigerant air pressure and/or inert gas air pressure reach presetting will
After asking, execution step a.
As method for optimizing, first lesions position is cooled down in operation, then with electric knife cutting it is therefore prevented that electric current heat pair
The damage of surrounding tissue, and can effectively reduce intraoperative blood loss, reduce postoperative complications, beneficial to the fast quick-recovery of patient's wound.
Further, also include cold and hot knife piecing devices, specifically include and be connected with the complex control system of cold and hot knife work station
The transit joint 31 that connects of cold and hot work station output interface 109 defeated with what the tailstock hydraulic quick coupler 13 of operating knife device was connected
Go out joint 30, right-hand member be arranged on the right jointing 51 of transit joint 31 left end, two ends respectively with operating knife device and cold and hot
The inert gas delivery pipe 32 of the electric knife system connectivity of knife work station and be arranged on out splice going splice 30 and right jointing
Refrigerant high frequency delivery pipe 33 between 51.
Refrigerant high frequency delivery pipe 33 include for input refrigerant and high frequency electric inner tube 34, be sleeved on inner tube 34 outside
Outer tube 35 and the circuit lines passage 36 being arranged on gap between inner tube 34 and outer tube 35.
Output seat 38 that out splice going splice 30 includes being connected with the tailstock hydraulic quick coupler 13 of operating knife device, it is arranged on output seat
In 38 and seal a left side the second inner stopper 39 being sleeved on tailstock hydraulic quick coupler 13, be arranged on left second inner stopper 39 right side and close
Big envelope is contained in through hole 40 in first on tailstock hydraulic quick coupler 13, the first coolant loop passage 41 being arranged on output seat 38, sets
Put the first right seam 42 on the right side of through hole 40 in first, be arranged on the first right connecting hole 43 on the first right seam 42 right side, set
The first conductive seat put in the first insulating bushing 44 in the first right seam 42, being arranged in the right inner stopper of the first insulating bushing 44
45 and first the first inner via hole screws 46 in conductive seat 45, the first right adapter sleeve 50 being arranged in the first right connecting hole 43,
The first connecting bushing 47 of being arranged in the first right adapter sleeve 50, be arranged on the first connecting bushing 47 first return gas channel 48 with
And it is arranged on the first shuttle set 49 being connected in the first connecting bushing 47 and with refrigerant high frequency delivery pipe 33 left end；
The left end of the first coolant loop passage 41 is connected with through hole 40 left side in left second inner stopper 39 right side or first, and first is cold
The connection corresponding with the passage 19 of the refrigerant on tailstock hydraulic quick coupler 13 of the left end of matchmaker's return passage 41；First coolant loop passage
41 right-hand member is connected with the first return gas channel 48, and inner tube 34 left part is inserted in the first shuttle set 49, and the sealing of outer tube 35 left end is fixed
Between the first connecting bushing 47 and the first shuttle set 49；Between circuit lines passage 36 passes through between inner tube 34 and the first shuttle set 49
Gap is connected with the first return gas channel 48；
First connecting bushing 47 left end is provided with the position table fitted with the first right adapter sleeve 50 left side.
Right locking nut 52 that right jointing 51 includes being arranged in right jointing 51 left end inner stopper, it is arranged on the right side
The second shuttle in locking nut 52 covers 53, is arranged on through hole 56 in second on the right side of the second shuttle set 53, is arranged on through hole in second
Outside the second outer shaft shoulder 57 on the corresponding lateral walls in 56 middle parts, the right side second being arranged on through hole 56 right part correspondence lateral wall in second
Seam 59 and be arranged on the second radial direction through hole 58 on the second outer shaft shoulder 57 or on right second male half coupling 59；
Second radial direction through hole 58 the inner is connected with through hole in second 56, the second radial direction through hole 58 outer end and atmosphere, the second footpath
It is respectively arranged with sealing ring to the outer end left and right sides of through hole 58；
Cover in the second shuttle and be provided with the second left shuttle mouth 54 on the left of in the of 53, be provided with and right locking nut 52 in the second left shuttle mouth 54 right-hand member
The the second right-hand thread axle 55 connecting, the right-hand member of outer tube 35 is sealingly mounted between the second left shuttle mouth 54 and right locking nut 52, interior
Pipe 34 passes through the second shuttle to cover through hole 56 in 53 endoporus and second, and the right-hand member of circuit lines passage 36 is sequentially communicated the second shuttle set 53
After gap passage between through hole 56 endoporus and inner tube 34 in gap passage and second between endoporus and inner tube 34 with second radially
Through hole 58 connects.
The 3rd left side that transit joint 31 is included transition seat 60, is arranged on transition seat 60 and connected with the second radial direction through hole 58
Radial hole 61, the 3rd left inner stopper 71 being arranged on transition seat 60 left end and being fitted with the second outer shaft shoulder 57, it is arranged on the 3rd
Left inner stopper 71 right-hand member and be fitted with the 3rd left interior only hole 72 of right second male half coupling 59, be arranged on the 3rd left interior only hole
The inner passage port of 72 right-hand members, is arranged on the 3rd axial dielectric set 64 of inner passage port, is arranged on transition seat 60 and inner and the 3rd axle
The 3rd right radial hole 63, the 3rd insulation radially set 62, the setting being inserted in the 3rd right radial hole 63 to insulation sleeve 64 connection
Cover the 3rd conductive seat 65 in 64 in the 3rd axial dielectric and be arranged on the 3rd inert gas passage 70 on transition seat 60；The
The through hole being connected with the 3rd right radial hole 63 the inner is provided with three conductive seats 65；
3rd left interior only hole 72 madial wall and right second male half coupling 59 lateral wall and/or the second outer shaft shoulder 57 madial wall and the 3rd
Left inner stopper 71 lateral wall sealing setting；
The inner of 3rd left radial hole 61 be arranged in the 3rd left inner stopper 71 or the 3rd left interior only hole 72 in；3rd right footpath
Cryoprobe interface 104 outlet to the cryoprobe system of outer end and the cold and hot knife work station in hole 63；
3rd conductive seat 65 is electrically connected with the electric knife interface 98 of the electric knife system of cold and hot knife work station.
Also include the position detecting device being arranged on transition seat 60.
Position detecting device includes being arranged in transition seat 60 and left end position corresponding with right second male half coupling 59 right-hand member
Detect bar 69, be arranged in transition seat 60 and be located at the approximated position switch 67 on position sensing bar 69 right side and be disposed proximate to
Back-moving spring 68 between position switch 67 and position sensing bar 69；Also include warning circuit, approximated position switch 67 controls report
The break-make of alert circuit.
Inert gas delivery pipe 32 left end is connected with the ventilating joint 9 of the inert gas of operating knife device, the 3rd indifferent gas
The two ends of body passage 70 inertia with inert gas delivery pipe 32 right-hand member and the electric knife system of cold and hot knife work station respectively
Gas control valve 96 gas outlet connects.
Inner tube 34 left end is provided with left positioning end 37, left positioning end 37 is located at the first conductive seat 45 endoporus bottom surface and first
Between inner via hole screw 46 left side.
The conveying current methods of the cold and hot knife of the inert gas of the present embodiment, by means of described device, specifically include with
Lower step：
Step I：It is right that the high frequency electric that electric knife system produces enters the 3rd conductive seat 65 endoporus by electric knife interface 98
End, the inert gas that electric knife system produces simultaneously passes through inert gas control valve 96 gas outlet and enters, and passes sequentially through the 3rd
Enter in operating knife device after inert gas passage 70, inert gas delivery pipe 32；
Step II：In step I simultaneously or after, cryoprobe system produces refrigerant and enters the 3rd right footpath from cryoprobe interface 104
Reach the 3rd axial dielectric and cover 64 endoporus right-hand members to after hole 63, the electric current in step I is passed through feeding inner tube 34 and is transported to by refrigerant
In operating knife device.
Defeated by transit joint 31, out splice going splice 30, right jointing 51, inert gas delivery pipe 32 and refrigerant high frequency
Send pipe 33 to realize the connection of work station and scalpel, it is increased by inert gas delivery pipe 32 and refrigerant high frequency delivery pipe 33
Flexibility, ensures its rigidity by transit joint 31, out splice going splice 30, right jointing 51；Increase its accommodation, using spirit
Live, be connected firmly, durable.Refrigerant pipeline appropriate design, air-tightness is good, safe and reliable, saves space, reduces in conveying
During loss, screw thread compress, convenient disassembly, good sealing effect, gap passage has been greatly saved space, reduces volume,
Shuttle-type structure, air-tightness is good, and compression is firmly, by insulation set, safe and reliable, both can ensure that electric current smoothly reached operation end
Head, but safe and reliable.Position detecting device it is ensured that install position robust.By position detecting device, by report
Alert circuit judges break-make, convenient intelligence, facilitate implementation automation.
The conveying current methods of the cold and hot knife of the inert gas of the present embodiment, by means of described device, specifically include with
Lower step：
Step I：It is right that the high frequency electric that electric knife system produces enters the 3rd conductive seat 65 endoporus by electric knife interface 98
End, the inert gas that electric knife system produces simultaneously passes through inert gas control valve 96 gas outlet and enters, and passes sequentially through the 3rd
Enter in operating knife device after inert gas passage 70, inert gas delivery pipe 32；
Step II：In step I simultaneously or after, cryoprobe system produces refrigerant and enters the 3rd right footpath from cryoprobe interface 104
Reach the 3rd axial dielectric and cover 64 endoporus right-hand members to after hole 63, the electric current in step I is passed through feeding inner tube 34 and is transported to by refrigerant
In operating knife device.
This joint design rationally, realizes argon gas, refrigerant, high frequency electric export simultaneously, integrated, good airproof performance.
Compare and electric knife, inert gas electric knife has advantages below：Blood coagulation is fast, haemostatic effect is reliable, in art
Lose blood few, operating time shortens；It is not only to being typically difficult to the position stopped blooding, have good effect especially for large area oozing of blood
Really.Thin vessels are aided with hemostasis by compression, equally can be with quick-acting haemostatic powder.In operation, blood loss is general reduces 50% about, makes patient few
Transfuse blood or do not transfuse blood, operating time can also shorten about half；Incrustation is thin, equal, firm, tissue damage is light, and the surface of a wound easily heals solidifying
Solidification layer produced by blood airbrush is extremely thin and smooth, and thickness is 0.2-0.3mm.Inert gas flow brushes the surface of a wound, makes blood, dirt
Liquid is blown open, allows argon ion arc Direct Uniform act on the surface of a wound so that eschar is thin, uniform and firm.General energy electric knife is produced
Solidification layer surface also has the irregular carbonization of one layer of brown and plays cooling effect, and the damage to wound tissue is slight, clinical real
Trample proof wound easily to heal.Smog, peculiar smell are less because the thermocoagulation of protein is in inert gas --- real under inert gas shielding
Apply, isolated oxygen, excessive inert gas brushes and risen cooling effect, smog in therefore performing the operation, and peculiar smell is greatly reduced,
It is beneficial to the health of medical worker.
Simultaneously as there is inert gas, cooperation Cryosurgery further increases the effect of cooling pathological tissues.
This device can coordinate endoscope to use, and reaches pathological tissues under endoscope guiding, and pathological tissues are implemented to penetrate
Frequently（Or freezing）Excision ablation.
Two kinds of functions are integrated and produce the third function by the present invention, can start freezing function during radio frequency,
For reducing radio-frequency electrode temperature, radio-frequency electrode can be made continuously to work, solve the difficult problem that RF ablation can not continuously work.Penetrate
Frequency excision ablation and Cryosurgery ablation have respective advantage, and doctor can convert according to pathological tissues present situation in surgical procedure at any time
Treatment means, make therapeutic effect reach most preferably.
Radio frequency excision ablation feature power is big, can be used for excising larger tumour and polyp, deficiency is careless slightly rapid wear
Body non lesion of hurting sb.'s feelings organize, parenchymal tissue near with have metallic support position should not use, electrode during use（Cutter head）
Easily generate heat and damage endoscope.Cryosurgery ablation power is little, and the course of work does not have heat to produce, then has metallic support position
Using and near parenchymal tissue using having unique advantage, in addition freezing there is foreign body function.Cold/hot cutting has except ablation
Respective advantage, two kinds of advantages can be complementary, and radio frequency is excised first for tumour, freezes the excision for residual tumor；Excision
Tissue under cutting can be taken out external by end-of-job using freezing function.
Present configuration is reasonable, advanced design, safe and reliable, with low cost, integrated height, and flexibility is strong, uses
Life-span length.By above-mentioned work station it is achieved that the perfect adaptation of cold and hot knife, and it combines and creates unexpected effect the present invention
Really, not simple combination, when both there is hot knife cutting, surgical effect, there is the low-temperature protection effect of cryoprobe again, and by cold
Freeze and take out tissue, hot knife is lowered the temperature, drastically increases surgical effect.
This patent is to integrate two kinds for the treatment of means, and doctor changes treatment side in time according to present situation in the state of an illness and art
Method, patient is obtained in that optimal treatment.
The invention of this patent originality have developed the cold and hot scalpel integrating cryoprobe and electric knife electrode, in operation
First lesions position is cooled down, then with electric knife cutting it is therefore prevented that the damage to surrounding tissue for the electric current heat, and can effectively reduce art
Middle amount of bleeding, reduces postoperative complications, beneficial to the fast quick-recovery of patient's wound.Preferably, this product has independent electricity
The function of knife and the function of cold therapy.This product can be used alone electric knife or be used alone cryoprobe.It is provided with each only
Vertical electric knife control module and cold therapy machine control module, two modules do not interfere with each other, can independent operating.This product has electricity
The function that knife and cold therapy use simultaneously.Carry out electric knife and cold therapy in same patient different parts simultaneously.This
Product has the output port integrating freezing, electric knife, and cold and hot knife supports the use, and knife both can be used as freezing and can
To use as electric knife, can switch at any time in use.This product has internal precooling electric knife electrode output function.In surgical procedure
In by refrigeration system to electric knife electrode lower the temperature, electric knife can be made continuously to work.This product guidance panel has this product peculiar
Road or multichannel cold and hot knife interface.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in previous embodiment, or equivalent is carried out to wherein some technical characteristics；Make
For those skilled in the art, multiple technical schemes of the present invention are combined being obvious.And these are changed or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (10)
1. a kind of cold and hot knife work station it is characterised in that：Including electric knife system, cryoprobe system and complex control system；
Complex control system controls electric knife system and cryoprobe system simultaneously or in order to the cutter head conveying of operating knife device
High frequency electric and refrigerant.
2. cold and hot knife work station according to claim 1 it is characterised in that:Described complex control system includes cold and hot control
Cell processor (108) processed and cold and hot work station output interface (109)；Cold and hot work station output interface (109) is by high-frequency electrical
Road and refrigerant are transported to the cutter head end of operating knife device.
3. cold and hot knife work station according to claim 2 it is characterised in that:Described electric knife system includes electric knife
There is module and electric knife therapy apparatus control module (97)；
Electric knife occurs module to include high-frequency and high-voltage generator (94) and electric knife interface (98)；
Electric knife therapy apparatus control module (97) includes the controlling switch module for controlling high-frequency and high-voltage generator (94)
(95)；
Cold and hot control unit processor (108) controls controlling switch module (95)；
The high frequency electric that high-frequency and high-voltage generator (94) produces passes through electric knife interface (98) entrance cold and hot work station output and connects
Mouth (109).
4. cold and hot knife work station according to claim 2 it is characterised in that:Described cryoprobe system includes refrigerant source of the gas
(99), cryosurgical treatment machine control module (102) and cryoprobe interface (104)；
Cryosurgical treatment machine control module (102) includes refrigerant control valve (103)；
Cold and hot control unit processor (108) controls break-make and/or the aperture size of refrigerant control valve (103)；
Refrigerant control valve (103) controls the refrigerant in refrigerant source of the gas (99) to enter cold and hot work by cryoprobe interface (104)
Make station output interface (109).
5. cold and hot knife work station according to claim 4 it is characterised in that:Described cryoprobe system also includes cold for adjusting
The refrigerant pressure adjustment unit (100) of gas source (99) output pressure and/or be used for detecting refrigerant source of the gas (99) output pressure
Refrigerant pressure detector unit (101)；
Refrigerant pressure adjustment unit (100) and/or refrigerant pressure detector unit (101) are arranged on refrigerant source of the gas (99) and refrigerant control
In gas circuit between valve (103) processed；
Cryosurgical treatment machine control module (102) also includes the refrigerant temperature for detecting cryoprobe interface (104)
Cryogenic temperature detector unit (105)；
Cryogenic temperature detector unit (105) is unidirectional with cold and hot control unit processor (108) to be electrically connected or two-way electrical connection.
6. cold and hot knife work station according to claim 2 it is characterised in that:Described complex control system also includes cold and hot work
Make station display unit (106) and/or cold and hot work station arranging unit (107)；
The output end of cold and hot control unit processor (108) electrically connect with cold and hot work station display unit (106) input and/or
The input of cold and hot work station arranging unit (107) is electrically connected with cold and hot work station display unit (106) output end.
7. cold and hot knife work station according to claim 3 it is characterised in that:Described electric knife system also includes indifferent gas
Module；
Inert gas module includes noble gas source (91)；
Inert gas in noble gas source (91) enters cold and hot work station output interface by inert gas control valve (96)
(109).
8. cold and hot knife work station according to claim 7 it is characterised in that:Inert gas module also includes lazy for adjusting
The inert gas pressure adjustment unit (92) of property gas source (91) output pressure and/or be used for detecting noble gas source (91)
The inert gas pressure detector unit (93) of output pressure；
Inert gas pressure adjustment unit (92) and/or inert gas pressure detector unit (93) are arranged on noble gas source
(91) and inert gas control valve (96) between, inert gas is argon gas.
9. a kind of control method of cold and hot knife work station it is characterised in that:By means of the work described in any one of claim 1-8
Stand, specifically include following steps：Inert gas control valve (96), refrigerant are controlled by cold and hot control unit processor (108)
Control valve (103) and controlling switch module (95), defeated to cold and hot work station output interface (109) in electric knife interface (98)
Enter high frequency electric and noble gas source (91) to cold and hot work station output interface (109) input inert gas while or it
Afterwards, refrigerant source of the gas (99) inputs refrigerant to cold and hot work station output interface (109).
10. a kind of control method of cold and hot knife work station it is characterised in that:By means of described in any one of claim 1-8
Work station, specifically includes following steps：Refrigerant control valve (103) and control are controlled by cold and hot control unit processor (108)
Switch module (95) processed, electric knife interface (98) to cold and hot work station output interface (109) input high frequency electric simultaneously or
Afterwards, refrigerant source of the gas (99) inputs refrigerant to cold and hot work station output interface (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874755.3A CN106388930B (en) | 2016-10-08 | 2016-10-08 | Cold and hot knife workstation and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874755.3A CN106388930B (en) | 2016-10-08 | 2016-10-08 | Cold and hot knife workstation and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111671512A (en) * | 2020-06-18 | 2020-09-18 | 沈阳鹏悦科技有限公司 | Freezing electricity blocking system |
| EP4166105A4 (en) * | 2020-06-26 | 2023-12-20 | Tianjin Meidian Medical Technology Co., Ltd. | Ablation probe having separable outer sleeve and freezing function, and method |
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| EP4166105A4 (en) * | 2020-06-26 | 2023-12-20 | Tianjin Meidian Medical Technology Co., Ltd. | Ablation probe having separable outer sleeve and freezing function, and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106388930B (en) | 2023-10-20 |
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