CN103330589A - Portable low-temperature cryoscalpel - Google Patents
Portable low-temperature cryoscalpel Download PDFInfo
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- CN103330589A CN103330589A CN2013102990035A CN201310299003A CN103330589A CN 103330589 A CN103330589 A CN 103330589A CN 2013102990035 A CN2013102990035 A CN 2013102990035A CN 201310299003 A CN201310299003 A CN 201310299003A CN 103330589 A CN103330589 A CN 103330589A
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- 239000010959 steel Substances 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000011324 bead Substances 0.000 claims description 20
- 210000000232 gallbladder Anatomy 0.000 claims description 15
- 235000012046 side dish Nutrition 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 23
- 238000011282 treatment Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 14
- 208000017520 skin disease Diseases 0.000 abstract description 6
- 230000000474 nursing effect Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000003796 beauty Effects 0.000 abstract 1
- 238000011269 treatment regimen Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 230000000694 effects Effects 0.000 description 10
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000007710 freezing Methods 0.000 description 7
- 230000008014 freezing Effects 0.000 description 7
- 238000002560 therapeutic procedure Methods 0.000 description 7
- 230000001225 therapeutic effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000011287 therapeutic dose Methods 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 206010027145 Melanocytic naevus Diseases 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
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- 201000004569 Blindness Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010048768 Dermatosis Diseases 0.000 description 1
- 206010018691 Granuloma Diseases 0.000 description 1
- 208000003351 Melanosis Diseases 0.000 description 1
- 208000007256 Nevus Diseases 0.000 description 1
- 208000000260 Warts Diseases 0.000 description 1
- 231100000360 alopecia Toxicity 0.000 description 1
- 208000004631 alopecia areata Diseases 0.000 description 1
- 206010001902 amaurosis Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000589 cicatrix Anatomy 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000315 cryotherapy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
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Abstract
The invention relates to the technical field of medical instruments, in particular to a portable low-temperature cryoscalpel. The portable low-temperature cryoscalpel comprises a nozzle, a steel cylinder and a switch mechanism. The portable low-temperature cryoscalpel is characterized in that the mouth of the steel cylinder is connected with the nozzle through the switch mechanism, and the steel cylinder is a detachable steel cylinder. Compared with the prior art, the portable low-temperature cryoscalpel has the advantages that the low-temperature steel cylinder can be independent of other control and spraying units, and different sizes or types of steel cylinders are available; the diameter of the tail end of a flow channel inside the nozzle is 0.03-0.1mm, and different treatment strategies can be worked out through matching between the nozzle and the steel cylinder; in addition, due to the fact that a labyrinth sealing method is adopted between the flow channel and an ejector pin device, leakage of high-pressure low-temperature liquid gas and loss of local cold energy are effectively avoided, the frequency of replacement of the steel cylinder and the frequency of liquid filling are greatly reduced, and treatment cost and maintenance cost are reduced; the portable low-temperature cryoscalpel can be widely used in the fields such as clinic treatment of various dermatoses, skin beauty and pet nursing; the portable low-temperature cryoscalpel is compact and exquisite in structure, simple in operation, and convenient to carry.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically a kind of portable low temperature cryoprobe.
Background technology
The freezing therapy is to utilize cryotherapy to make the methods for the treatment of diseases of pathological tissues damage, necrosis.Along with continuous development and the combination closely of medical science and Refrigeration Technique, the freezing therapy is used in clinical each section successively, has particularly obtained very desirable effect at treating skin disease.For problem skin, as face's hemangioma, melanotic nevus, congenital amaurosis seal, brown blue or green nevus, freckle, cicatrix, wart, granuloma and alopecia areata alopecia etc., can not only reach the healing purpose, and the treatment side effect is little, preventing from scar can comparatively fast recover the original colour of skin after healing.Compare other dermopathic naturopathy means, as laser, microwave, infrared ray etc., its great advantage is freezing skin to be had narcoticness, and the pain that during the treatment patient is caused is very little, need not take medicine and apply ointment, and the treatment cost is lower.Along with the raising of economic development and people quality of life, the freezing therapy has also obtained extensive use at aspects such as beautifying skin and pet nursings.
The freezing Therapeutic Method has a variety of, is applied to mainly contain two kinds for the treatment of skin disease, i.e. contact method and spurt method.Contact treatment, normally with cryoprobe, namely cold therapy equipment refers to and the focus contact portion especially, places for a long time in-196 ° of C liquid nitrogen containers, takes out when to be treated, contacts skin focus rapidly, kills pathological tissues by IQF.This method of basic employing during large, medium and small hospital clinical is used at home at present.But contact method cooling area and the freezing degree of depth are limited,, the degree of depth darker area for treatment or some dermatosis big for area, and therapeutic effect is unsatisfactory.And general freezing equipment heaviness, not portable.Compare contact method, spurt method is better for the controllability for the treatment of area and the treatment degree of depth.During treatment, cryogenic liquid gas sprays on skin focus through cryoprobe.Under certain expulsion pressure effect, the temperature in the following shallow-layer of skin surface zone can both obviously descend, and can keeping focus, to be in the low time for the treatment of temperature longer, so therapeutic effect is better, and the different skin treatment of diseases is not had too big difference.But spurt method has higher requirement to employed therapeutic equipment, can not only effectively control the skin treating degree of depth, also need cooperate different therapeutic strategies.At present in the world, it is very rare to spray cryoprobe equipment, and being applied to clinical mainly is the Cryopen series cryoprobe of European HO-Equiments company exploitation.It can kill and wound the following 3mm deep lesions of skin surface tissue, and adopts the design of pen shape, and is light small and exquisite, is easy to carry about with one.But the injection control unit sealing effectiveness of this product is not good, and cryogenic liquid gas has more leakage, and the frequency of therefore replenishing cryogenic liquid gas, replacing low-temperature (low temperature) vessel is higher.In addition, this series of products expensive, be unfavorable at home in, infirmary promotes the use of.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, design a kind of novel injection formula low temperature cryoprobe, cryoprobe compact conformation, exquisiteness, simple to operate, be easy to carry, can be widely used in the clinical treatment of various skin disease, and other fields such as beautifying skin and pet nursing.
For achieving the above object, design a kind of portable low temperature cryoprobe, comprise nozzle, steel cylinder, switching mechanism, it is characterized in that: the bottleneck of steel cylinder adopts switching mechanism to connect nozzle, and described steel cylinder adopts the dismountable type steel cylinder.
The right-hand member of described switching mechanism adopts with steel cylinder and is threaded.
Described steel cylinder adopts the double-deck steel cylinder that is provided with inside and outside gallbladder, is provided with end socket between the bottleneck of inner bag and the bottleneck of outer gallbladder, and evacuation between the inside and outside gallbladder is provided with check valve in the bottleneck of inner bag; Establish external screw thread on the outer wall of the bottleneck of described steel cylinder.
End was established the valve body of valve port about described check valve adopted, chamber in the valve body is to establishing bead, valve inner spring in the valve from left to right successively, the diameter of the valve port of the diameter＞valve body left end of bead in the valve, and the internal diameter of the chamber of the diameter＜valve body of bead in the valve, the external diameter of valve inner spring is greater than the diameter of the valve port of valve body right-hand member.
Described valve body adopts split type valve body, and described split type valve body is made of the left end of the right-hand member connection valve piece base of valve piece, and the left end of the chamber of valve body is made as tubaeform.
Be provided with mazy runner in the described nozzle, the diameter of the end of runner is 0.03～0.1mm.
Described switching mechanism is for adopting a sleeve, on the outer wall of sleeve, be embedded with a button vertically, and the left end of button is pinned on the sleeve, the right-hand member of button is free end, center in the right side of sleeve is embedded the push rod of one " ten " font, to being respectively equipped with protruding axle, push rod radially is provided with pusher arms to the left and right sides face of push rod along central shaft, and the pusher arms of push rod is positioned at the stroke of button; The right-hand member of push rod connects the left side of a rotation disc, the right side of rotation disc some beveled spirality that are uniformly distributed along the circumference, push pin device is established on the right side of rotation disc, described push pin device is for adopting ladder dish left large and right small, and the left end that connects thimble on the right side of the right side of ladder dish dish constitutes, and push pin device is provided with the runner hole vertically, between the inclined-plane of the left side of ladder dish dish and rotation disc, be provided with ball, the left side card of described left side dish is provided with ball grooves, and rotation disc and push pin device are provided with urceolus outward, the left end of the sheathed linkage section of right-hand member of urceolus, the right-hand member of linkage section is established female thread, is provided with spring and constitutes between push pin device and linkage section; The right-hand member of nozzle embeds in the left side dish of push pin device behind the axis hole of the protruding axle in the left and right sides of the sleeve of penetrating switch mechanism, push rod, the rotation disc vertically successively, and the mouth in the left side of nozzle is positioned at the left end outside of switching mechanism; The runner hole of push pin device and the runner of nozzle connect.
Between the right side of the left side of urceolus and sleeve, terminal pad is arranged fixedly also, a mounting hole of limiting on the card of terminal pad, pusher arms outer end at push rod is provided with breach, one torsion spring set is located on the protruding axle on right side of push rod, and an arm of torsion spring is fixed on the push rod, and another arm of torsion spring is fixed on the terminal pad; Vertically establish a connecting rod on the left side of rotation disc, the outer end of connecting rod is positioned at breach after passing the spacing mounting hole of terminal pad.
The left side of the left side dish of described ladder dish is provided with and is embedded the annular groove that nozzle is used, and the right side of the left side dish of ladder dish is provided with locating rod, and the left side of the linkage section at corresponding locating rod place is provided with locating hole, and locating rod embeds in the locating hole; Described spring housing is located at outside the right side dish of ladder dish.
The left side of the linkage section at corresponding spring place is provided with annular groove, and the right-hand member of spring is embedded in annular groove.
The present invention compares with prior art, and the cryoprobe that spray treating is used is divided into high-pressure mini low temperature steel cylinder, switching mechanism and nozzle three parts, and wherein the steel cylinder of low temperature can be independent of other controls and injection unit, makes different sizes or model; In treatment, according to the focus degree of depth and therapeutic dose requirement, select not isometric steel cylinder for use; In addition, designs of nozzles becomes different size, and the end diameter of the runner in the nozzle is 0.03～0.1mm, cooperates steel cylinder can work out different therapeutic strategies; The injection of steel cylinder inner cryogenic liquid gas is controlled by switching mechanism, this switching mechanism is not just controlled cryogenic liquid gas and is flowed out steel cylinder course of injection afterwards, also can be by the process of doctor by switch and the liquid gas turnover steel cylinder of the low temperature check valve of the bottleneck of button control steel cylinder, really realized to help the doctor accurately to adjust therapeutic dose to the mobile control of the liquid gas of steel cylinder inner cryogenic; Because the control position is before spraying runner, be positioned at the check valve place of low temperature, and employing " labyrinth " sealing means between runner and the push pin device, therefore can avoid the leakage of high pressure low temperature liquid gas and the loss of local cold effectively, significantly reduce replacing and the topping up frequency of steel cylinder, reduced treatment cost and maintenance cost; The clinical treatment that can be widely used in the various skin disease, and other fields such as beautifying skin and pet nursing; Compact conformation, exquisiteness can adopt such as forms such as pen, poles and pack, and be simple to operate, is easy to carry.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of steel cylinder in the embodiment of the invention.
Fig. 3 is the structural representation of check valve in the embodiment of the invention.
Fig. 4 is the structural representation of switching mechanism in the embodiment of the invention.
Fig. 5 is the assembling sketch map of push rod and button in the embodiment of the invention.
Fig. 6 is the assembling sketch map of push pin device and rotation disc in the embodiment of the invention.
Fig. 7 is the assembling sketch map of push pin device and nozzle in the embodiment of the invention.
The specific embodiment
Now by reference to the accompanying drawings the present invention is further described.
Design of the present invention is that portable low temperature cryoprobe is divided into steel cylinder, switching mechanism and nozzle three parts, wherein steel cylinder adopts high-pressure mini low temperature steel cylinder, and steel cylinder can be independent of control and the injection unit of switching mechanism and nozzle composition, makes different sizes or model.
In treatment, according to the focus degree of depth and therapeutic dose requirement, select not isometric steel cylinder for use.In addition, nozzle can be designed to different size, and the flow field end diameter in the general nozzle is designed to 0.03～0.1mm, cooperates steel cylinder to work out different therapeutic strategies.The injection of the cryogenic liquid gas of steel cylinder inside is controlled by switching mechanism.Concrete structure is as follows:
Referring to Fig. 1～Fig. 7, the present invention includes nozzle, steel cylinder, switching mechanism in this example, wherein,
Described nozzle 3 adopts long tubular structure, and an end of elongated tubular is provided with the mouth that pointed nose forms nozzle 3, adopts mazy runner in the nozzle, and the diameter of the end of runner is 0.03～0.1mm.
Steel cylinder adopts the double-deck steel cylinder that is provided with inside and outside gallbladder, is provided with end socket 7 between the bottleneck of the bottleneck of inner bag 5 and outer gallbladder 4, and evacuation between the inside and outside gallbladder is provided with check valve 6 in the bottleneck of inner bag 5; Establish external screw thread on the outer wall of the bottleneck of described steel cylinder, external screw thread is located on the bottleneck outer wall of outer gallbladder 4 in this example.End was established the valve body of valve port about described check valve 6 adopted, chamber in the valve body is to establishing bead 10, valve inner spring 9 in the valve from left to right successively, the diameter of the valve port 11-1 of the diameter＞valve body left end of bead 10 in the valve, and the internal diameter of the diameter＜body cavity chamber of bead 10 in the valve, the external diameter of valve inner spring 9 is greater than the diameter of the valve port 11-2 of valve body right-hand member.
Described switching mechanism is for adopting a sleeve 21, the outer wall upper edge of this sleeve 21 is axially arranged with a knob groove, two bottom sides at the knob groove is respectively equipped with level to the pin-and-hole groove, the bottom surface of one button 15 embeds in the knob groove, and the left end of button 15 adopts pin to be pinned at level in the pin-and-hole groove, the right side of sleeve 21 is provided with deep gouge, be embedded the push rod 16 of one " ten " font in this deep gouge, the left and right sides face of described push rod 16 along central shaft to being respectively equipped with protruding axle, push rod 16 radially is provided with pusher arms, and this pusher arms is positioned at the stroke of button 15; The right-hand member of push rod 16 connects the left side of a rotation disc 20, the right side of rotation disc 20 some beveled spirality that are uniformly distributed along the circumference, push pin device 18 is established on the right side of rotation disc 20, push pin device 18 described here adopts ladder dish left large and right small, and the left end that connects thimble 18-2 on the right side of the right side of ladder dish dish constitutes, and push pin device 18 is provided with the runner hole vertically, in addition, on the left side of the left side of ladder dish dish, also be provided with annular groove 18-4, between the inclined-plane of the left side of push pin device 18 dish 18-1 and rotation disc 20, be provided with ball 19, and the left side card of left side dish 18-1 also is provided with ball grooves, convenient location ball 19; Be provided with urceolus 22 outside described rotation disc 20 and the push pin device 18, the left end of the sheathed linkage section 12 of the right-hand member of urceolus 22, the right-hand member of linkage section 12 is established female thread; Between push pin device 18 and linkage section 12, be provided with spring 23.The female thread of linkage section 12 cooperates with the external screw thread of steel cylinder, and the realization switching mechanism is threaded with steel cylinder.
The left side of the linkage section 12 at corresponding spring 23 places is provided with annular groove 12-1 in this example, and the right-hand member of spring 23 is embedded in annular groove 12-1, and the left end of spring 23 is set in outside the right side dish of push pin device 18; Simultaneously, the right side of the left side dish of push pin device 18 is provided with locating rod 18-3, the left side of the linkage section 12 at corresponding locating rod 18-3 place is provided with locating hole 12-2, locating rod 18-3 embeds in the locating hole 12-2, when carrying out open and close movement between rotation disc 20 and the push pin device 18, guarantee that locating rod 18-3 is positioned at locating hole 12-2 all the time like this.
The right-hand member of nozzle 3 vertically successively the axis hole of the protruding axle in the left and right sides of the sleeve 21 of penetrating switch mechanism 2, push rod 16, rotation disc 20 backs embed in the annular groove 18-4 of left sides dish 18-1 of push pin device 18, the mouth in the left side of nozzle 18 is positioned at the left end outside of switching mechanism 2; The runner hole of push pin device 18 and the runner of nozzle 3 connect.
In this example in order to control the anglec of rotation of rotation disc 20, thereby control the open degree of check valve 6, between the right side of the left side of urceolus 22 and sleeve 21, terminal pad 22-1 is arranged fixedly also, at the card of a terminal pad 22-1 mounting hole of limiting, pusher arms outer end at push rod 16 is provided with breach 16-1, one torsion spring 17 is set on the protruding axle on right side of push rod 16, and an arm of torsion spring 17 is fixed on the push rod 16, and another arm of torsion spring 17 is fixed on the terminal pad 22-1; A connecting rod 20-2 is vertically established in the left side of rotation disc 20, and the outer end of connecting rod 20-2 is positioned at breach 16-1 after passing the spacing mounting hole of terminal pad 22-1.
The inside and outside gallbladder of steel cylinder adopts low temperature resistant nickel steel material to make among the present invention, and end socket 7, check valve 6, rotation disc 20, switching mechanism 2, nozzle 3 all adopt low temperature resistant macromolecular material such as politef to make.
In actual applications, can change the steel cylinder that connects different size according to the needs of consumption, in order to guarantee assembling, the external screw thread on the steel cylinder of different size should be made as unified size certainly.Certainly the steel cylinder that connects in the portable low temperature cryoprobe in this example generally all adopts miniature steel cylinder, is convenient for carrying and operates.
In use, will be to first steel cylinder internal-filling liquid attitude gas, dock as the large-scale high pressure low temperature source of the gas steel cylinder of the inflation source external screw thread by the bottle mouth position of the outer gallbladder 4 of the steel cylinder among screw thread and the present invention, the interior bead 10 of valve that high-pressure liquid gas in the large-scale high pressure low temperature source of the gas steel cylinder promotes in the check valve 6 moves in steel cylinder, bead 10 compression valve inner springs 9 in the valve, cryogenic liquid gas enters in the inner bag 5 of steel cylinder by the slit between the valve port 11-1 of bead in the valve 10 and valve body left end, after the inner bag 5 of steel cylinder is full of a certain amount of cryogenic liquid gas, large-scale high pressure low temperature source of the gas steel cylinder cuts out the transfusion valve, bead 10 is under the effect of steel cylinder inside and outside differential pressure in the valve in the steel cylinder 1, get back to initial position, and under valve inner spring 9 effect the valve port 11-1 of closed valve body left end, the bottleneck of outer gallbladder 4 and large-scale high pressure low temperature source of the gas steel cylinder are thrown off immediately, finish the topping up process.Steel cylinder behind the topping up can be threaded with switching mechanism, is used for the treatment of.
Among the present invention, adopt closed high-vacuum insulation design between the inner bag 5 of steel cylinder and the outer gallbladder 4, can keep more than 2 years, need not to be equipped with vacuum pump or regularly find time.End socket 7 connects inner bag 5 and outer gallbladder 4 bottlenecks, and the cryogenic liquid gas of nearly bottle mouth position is played the adiabatic effect of insulation.
The present invention mainly treats skin focus by controlled hydrojet process, and whole therapeutic process relies on switching mechanism 2 to finish.
The implementation process of using the present invention to carry out the sick treatment of various skin is described below:
1, the doctor determines focus size and the depth, selects the steel cylinder 1 of suitable dimension, adopts the steel cylinder of high-pressure mini low temperature in this example;
2, switching mechanism 2 is by linkage section 12 steel cylinder 1 that is threaded;
3, doctor's pressing button 15 radially, the right-hand member of button 15 namely can promote push rod 16 rotations, and the rotation drivening rod 20-2 rotation of push rod also is that rotation disc 20 rotates together;
4, the ball 19 on the inclined-plane of rotation disc slides on the inclined-plane on the rotation disc 20 immediately, ball 19 can roll to high-end from the low side on inclined-plane, because push pin device 18 can only move vertically, thus push pin device 18 under ball 19 effects to axial passing same distance;
5, before the treatment, bead 10 is fitted in the valve in the thimble 18-2 of push pin device 18 and the check valve 6, and under the high-pressure liquid gas in the inner bag 5 of steel cylinder and the combined effect of valve inner spring 9, the thimble 18-2 of push pin device 18 can't back down bead 10 in the valve this moment.After push pin device 18 relative rotation discs 20 are open certain distance, push pin device 18 correspondingly promotes the interior bead 10 of valve and moves and compression valve inner spring 9, high-pressure liquid gas in the steel cylinder 1 sprays immediately, prefabricated runner hole enters in the runner of nozzle 3 on the push pin device 18, go out nozzle 3 at last, act on the focus of skin surface.Utilize lever principle, the doctor only needs to apply less power at button 15 just can back down bead 10 in the valve under the effect of 5-6MPa high-pressure liquid gas;
6, after treatment finished, doctor's release button 15, push rod 16 were under the effect of torsion spring 17, and rotation in opposite direction promotes rotation disc 20 and resets, and ball 19 is reverse slide immediately, and push pin device 18 is dwindled spacing until applying with rotation disc again.Under the effect of the pressure of residual cryogenic liquid gas and valve inner spring 9, bead 10 moves to the valve port 11-1 of left end in the valve in steel cylinder, and check valve 6 is closed, and bead 10 breaks away from the thimble 18-2 of push pin device 18 and the valve, and steel cylinder 1 stops outside hydrojet.
For accurately cryogenic high pressure liquid gas being sprayed in the focus zone, and peripheral normal structure is not caused damage, need in therapeutic process, press repeatedly and release button 15.Utilize this switching mechanism 2 can steadily, promptly realize the injection of the high-pressure liquid gas in the steel cylinder and stop, and press the experience that has also taken into full account common doctor with the embodiment of release button 15, be convenient to operation.
Claims (10)
1. a portable low temperature cryoprobe comprises nozzle, steel cylinder, switching mechanism, it is characterized in that: the bottleneck of steel cylinder (1) adopts switching mechanism (2) to connect nozzle (3), and described steel cylinder (1) adopts the dismountable type steel cylinder.
2. a kind of portable low temperature cryoprobe as claimed in claim 1 is characterized in that: the right-hand member of described switching mechanism (2) adopts with steel cylinder (1) and is threaded.
3. a kind of portable low temperature cryoprobe as claimed in claim 1, it is characterized in that: described steel cylinder adopts the double-deck steel cylinder that is provided with inside and outside gallbladder, be provided with end socket (7) between the bottleneck of the bottleneck of inner bag (5) and outer gallbladder (4), evacuation between the inside and outside gallbladder is provided with check valve (6) in the bottleneck of inner bag (5); Establish external screw thread on the outer wall of the bottleneck of described steel cylinder (1).
4. a kind of portable low temperature cryoprobe as claimed in claim 3, it is characterized in that: end was established the valve body of valve port about described check valve (6) adopted, chamber in the valve body is to establishing bead (10), valve inner spring (9) in the valve from left to right successively, the diameter of the valve port of the diameter＞valve body left end of bead (10) in the valve, and the internal diameter of the chamber of the diameter＜valve body of bead (10) in the valve, the external diameter of valve inner spring (9) is greater than the diameter of the valve port of valve body right-hand member.
5. a kind of portable low temperature cryoprobe as claimed in claim 4, it is characterized in that: described valve body adopts split type valve body, described split type valve body is made of the left end of the right-hand member connection valve piece base (8) of valve piece (11), and the left end of the chamber of valve body is made as tubaeform.
6. a kind of portable low temperature cryoprobe as claimed in claim 1, it is characterized in that: described nozzle is provided with mazy runner in (3), and the diameter of the end of runner is 0.03～0.1mm.
7. a kind of portable low temperature cryoprobe as claimed in claim 1 or 2, it is characterized in that: described switching mechanism is for adopting a sleeve (21), on the outer wall of sleeve (21), be embedded with a button (15) vertically, and the left end of button is pinned on the sleeve (21), the right-hand member of button (15) is free end, center in the right side of sleeve (21) is embedded the push rod (16) of one " ten " font, the left and right sides face of push rod (16) along central shaft to being respectively equipped with protruding axle, push rod (16) radially is provided with pusher arms, and the pusher arms of push rod (16) is positioned at the stroke of button (15); The right-hand member of push rod (16) connects the left side of a rotation disc (20), the right side of rotation disc (20) some beveled spirality that are uniformly distributed along the circumference, push pin device (18) is established on the right side of rotation disc (20), described push pin device (18) is for adopting ladder dish left large and right small, and the left end that connects thimble (18-2) on the right side of the right side of ladder dish dish constitutes, and push pin device (18) is provided with the runner hole vertically, between the inclined-plane of the left side of ladder dish dish (18-1) and rotation disc (20), be provided with ball (19), the left side card of described left side dish (18-1) is provided with ball grooves, and rotation disc (20) and the outer urceolus (22) that is provided with of push pin device (18), the left end of the sheathed linkage section of right-hand member (12) of urceolus (22), the right-hand member of linkage section (12) is established female thread, is provided with spring (23) and constitutes between push pin device (18) and linkage section (12); The right-hand member of nozzle (3) embeds in the left side dish (18-1) of push pin device (18) behind the axis hole of the protruding axle in the left and right sides of the sleeve of penetrating switch mechanism (21), push rod (16), the rotation disc (20) vertically successively, and the mouth in the left side of nozzle (3) is positioned at the left end outside of switching mechanism; The runner of the runner hole of push pin device (18) and nozzle (3) connects.
8. a kind of portable low temperature cryoprobe as claimed in claim 7, it is characterized in that: between the right side of the left side of urceolus (22) and sleeve (21), terminal pad (22-1) is arranged fixedly also, a mounting hole of limiting on the card of terminal pad (22-1), be provided with breach (16-1) in the pusher arms outer end of push rod (16), one torsion spring (17) is set on the protruding axle on right side of push rod (16), and an arm of torsion spring (17) is fixed on the push rod (16), and another arm of torsion spring (17) is fixed on the terminal pad (22-1); Vertically establish a connecting rod (20-2) on the left side of rotation disc (20), the outer end of connecting rod (20-2) is positioned at breach (16-1) after passing the spacing mounting hole of terminal pad (22-1).
9. a kind of portable low temperature cryoprobe as claimed in claim 7, it is characterized in that: the left side of the left side dish of described ladder dish is provided with the annular groove (18-4) that is embedded nozzle and uses, the right side of the left side dish of ladder dish is provided with locating rod (18-3), the left side of the linkage section (12) that corresponding locating rod (18-3) is located is provided with locating hole (12-2), and locating rod (18-3) embeds in the locating hole (12-2); Described spring (23) is set in outside the right side dish of ladder dish.
10. a kind of portable low temperature cryoprobe as claimed in claim 7, it is characterized in that: the left side of the linkage section (12) that corresponding spring (23) is located is provided with annular groove (12-1), and the right-hand member of spring (23) is embedded in annular groove (12-1).
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| CN201310299003.5A CN103330589B (en) | 2013-07-16 | 2013-07-16 | A kind of Portable low-temperature cryoscalpel |
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| CN201310299003.5A CN103330589B (en) | 2013-07-16 | 2013-07-16 | A kind of Portable low-temperature cryoscalpel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106726102A (en) * | 2017-01-13 | 2017-05-31 | 镇江市宜尔医疗器械有限公司 | One kind injection cold therapy device |
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| CN2344617Y (en) * | 1998-08-11 | 1999-10-20 | 杨克 | Pressure release valve capable of quickly coupling with liquified gas |
| CN2389629Y (en) * | 1999-07-13 | 2000-08-02 | 郁如煌 | Hand-held pressure accumulating liquid nitrogen cryotherapy apparatus |
| CN102058427A (en) * | 2011-01-28 | 2011-05-18 | 石春蕊 | Portable liquid nitrogen freezer unit |
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2013
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344617Y (en) * | 1998-08-11 | 1999-10-20 | 杨克 | Pressure release valve capable of quickly coupling with liquified gas |
| CN2389629Y (en) * | 1999-07-13 | 2000-08-02 | 郁如煌 | Hand-held pressure accumulating liquid nitrogen cryotherapy apparatus |
| CN102058427A (en) * | 2011-01-28 | 2011-05-18 | 石春蕊 | Portable liquid nitrogen freezer unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106726102A (en) * | 2017-01-13 | 2017-05-31 | 镇江市宜尔医疗器械有限公司 | One kind injection cold therapy device |
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| CN103330589B (en) | 2015-09-09 |
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