CN2647257Y

CN2647257Y - Freezing comprehensive therapeutical instrument

Info

Publication number: CN2647257Y
Application number: CN 03237302
Authority: CN
Inventors: 张伟彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-05
Filing date: 2003-09-05
Publication date: 2004-10-13
Anticipated expiration: 2013-09-05

Abstract

The utility model provides a freezing integrated treatment instrument, comprising a handle and a main machine case. The freezing plate clip is arranged on the handle tightly closing to the cooling end of the secondary thermoelectric refrigerator. The hot end of the secondary thermoelectric refrigerator closes to the top surface of the T-shaped interstage cooling core; Two flat surface of the T-shaped interstage cooling core close to four thermoelectric refrigerators; The hot end of the primary thermoelectric refrigerator is separately connected to two small water tanks; The thermoelectric, the medium cold and heat exchanger and the variable speed pump are connected through the electronic circuit, which synchronously control the power of the operation condition and the temperature and flow of the cooling water. The utility model is characterized with no pollution, no vibration, small volume, light weight, low power consumption, stable performance, long time operation, convenient application, strong generality, low treatment cost and brand application scope. The utility model particularly suits the clinic ophthalmology and dermatologic surgery operation and other crymotherapy. The utility model is novel medicine apparatus in the medicine field.

Description

Freezing synthetic therapeutic apparatus

Technical field:

This utility model relates to a kind of treatment apparatus, especially a kind of freezing synthetic therapeutic apparatus.

Background technology:

At present, the treatment of pioneering operation of ophthalmology class and retina, glaucoma, nethike embrane inflammation, perhaps in the excision and shallow table abscess surgical drainage of symptoms such as skin class such as surgery tumor, cavernous hemangioma, soft-tissue tumor, small size skin vegetations, generally be to adopt ultrasonic emulsification, laser emulsifying enucleation and conventional surgical therapy, certain negative interaction is arranged after the operation.There are many hospitals also carrying out ophthalmologic operation with an operating forceps fixed diamonds blade or a trifle razor blade.Adopt drikold (dry ice) therapeutic apparatus and make freezing enucleation with the medical apparatus and instruments in liquid or gas refrigeration source, owing to need heavy gas tank, require again to concentrate in the short time and use, so be subjected to territorial restrictions, it is inconvenient to use.

Summary of the invention:

The purpose of this utility model is to overcome brings the defective of inconvenience in the above-mentioned medical operating scope doctor and patient, a kind of low-voltage, little electric current are provided, can reach-40 ℃ of low temperature rapidly, and can regulate and control constant temperature arbitrarily, stable performance, easy to use, processing ease, highly versatile, the thermoelectric refrigeration synthetic therapeutic apparatus that range of application is big.

In order to achieve the above object, take by first and second grade thermoelectric refrigerator in the handle, the cold and hot exchange thermoelectric refrigerator of medium in the mainframe box, adjustable speed water pump and program controller synchronous working, each part thermoelectric refrigerator produces tangible refrigeration effect under the effect of rectifier power source program controller.The hot junction of second level thermoelectric refrigerator is transmitted to heat by T type inter-stage cold core the cold junction of the first order thermoelectric refrigerator of being made up of four piles, its hot junction is taken away heat again from the cooling water in two little water tanks, cooling water produces certain hydraulic pressure and flow through the effect of adjustable speed water pump, returns water storage box behind the another group of thermoelectric refrigerator cold-side cooling in the medium cool-heat-exchanger of flowing through.So circulation is cooled off the cold head of handle rapidly, reaches the low temperature below-40 ℃.Essence of the present utility model is: by the cooling mechanism that increases progressively of multistage thermoelectric refrigerator, make cold head temperature and ambient temperature produce about 86 ℃ the temperature difference, enough big refrigeratory capacity is arranged, enough low temperature, the scope of application enlarges, and because utilization sensing element, programme control circut and thermoelectric refrigerator at different levels work asynchronously with adjustable speed water pump, radiator fan, make the regulation and control of temperature required scope easier, freely.

This utility model is made up of handle and mainframe box two major parts, is arranged on the bottom surface of the cold drawing chuck in the handle and the cold junction of second level thermoelectric refrigerator and is close to, and the end face of cold core is close between the hot junction of second level thermoelectric refrigerator and T form class; Between the T form class two of cold core flat horizontal surfaces again with four thermoelectric refrigerators of the first order near bonding; The hot junction of first order thermoelectric refrigerator clings respectively with two little water tanks and becomes one; Medium cool-heat-exchanger in the handle first and second grade thermoelectric refrigerator, the mainframe box selects electronic circuits such as potentiometer, difference comparison amplifier, trigger, rectifier power source program controller to be connected its operating mode power of Synchronization Control and cooling water temperature, flow by cable with adjustable speed water pump by heat sensitive sensor, temperature.Thermoelectric refrigerator in the handle can be adopted three grades or the thermoelectric refrigerator of multistage pagoda shape.The mainframe box overall structure can be made portable, or fixed panel operation platform.

Because what this utility model adopted is a kind of pure firming body device, pollution-free, friction, add that upper volume is little, in light weight, little power consumption, structure are firm, stable performance, can long-play, and it is easy to use, processing ease, highly versatile, the treatment cost is low, applied range is particularly suitable for the operation of clinical ophthalmologic operation and skin surgery and other cryotherapy.Become the comparatively ideal new type medical equipment of medical domain.

Description of drawings:

Fig. 1 is the three-dimensional sectional structure chart of the freezing synthetic therapeutic apparatus of this utility model.

Fig. 2 is that this utility model adopts fixed panel operation platform schematic appearance.

Fig. 3 is this utility model front sectional structure chart.

Fig. 4 is this utility model handle sectional structure chart.

Fig. 5 is this utility model electrical control fundamental diagram.

Fig. 6 is this utility model electric control system block diagram.

The specific embodiment:

The utility model is described in further detail below in conjunction with accompanying drawing.

The structure of the freezing synthetic therapeutic apparatus of this utility model such as Fig. 1, Fig. 3, shown in Figure 4.Form by mainframe box and handle two large divisions.Mainframe box: by control panel 1, electric device 5, water storage box 7, adjustable speed water pump 11, medium cool-heat-exchanger 12 grades are partly formed.There is the homoiothermic set-point to select knob 2 on the face of control panel 1, connects the cooling water outlet and inlet jack 3 and the supply socket 4 that is connected interior first order thermoelectric refrigerator 23 of handle and second level thermoelectric refrigerator 20 of handle; Also have temperature indicator and other function indicator in addition.On have the water storage box 7 of water inlet 14 to be located at the therapeutic instrument middle part, outsourcing one deck insulated thermal insulating layer 6, adjustable speed water pump 11 is provided with outlet 10 and connects little water tank 24, medium cool-heat-exchanger 12 is made up of axial flow blower, Aluminium Radiator, aluminum cold plate, two thermoelectric refrigerators, if cooling water intake 8, cooling water outlet 9; 127 pairs of cooling modules are adopted in thermoelectric refrigerator, two pile, and physical dimension is 40 * 40 * 4mm, cold plate forms with the fine aluminium casting after curving " bow " shape with φ 6 copper pipes earlier; When two thermoelectric refrigerators are connected in series on the rectifier power source, the hot junction is attached on the Aluminium Radiator, produces the heat migration from the cold junction to the hot junction, is dispelled the heat away by the axial flow blower forced ventilation in the back; Cold junction is lowered the temperature the water in the passage of flowing through rapidly then near cold plate.The wanigan 13 that is provided with one jiao of therapeutic instrument is for making things convenient for deposit operation handle and various different sizes to be replaced, the shank cold head of the different usefulness of performing the operation.Mainframe box of the present utility model can adopt portable, as Fig. 1; Also can adopt fixed panel operation platform 15 patterns, as Fig. 2.

The structure of handle is as shown in Figure 4: cold head 16 is the shank cold head of operation usefulness, after the aluminum cold drawing chuck 18 that its is inserted handle 27 heads compresses, cold head is further fixed with adiabatic sealing ring 17, clamping leaf spring 19 again, is convenient to operation technique.11 pairs of cooling modules of second level thermoelectric refrigerator 20 usefulness, physical dimension is 15 * 10 * 4mm, it near being attached between cold chuck 18 and aluminum T form class between the cold core 21.First order thermoelectric refrigerator 23 adopts 4 piles series-parallel, and each is 17 pairs of cooling modules, and physical dimension is 15 * 15 * 3.3mm; Cold core 21 is the hot junction of second level thermoelectric refrigerator 20 between the T form class, is again the cold junction of first order thermoelectric refrigerator 23; By the hot junction of first order thermoelectric refrigerator 23 recirculated cooling water by drilled tunnel in two little water tanks 24 of aluminum heat is taken at last and flow to water storage box 7 after medium cool-heat-exchanger 12 is lowered the temperature, the volume of water storage box is 25L.Between handle, cold head, thermoelectric refrigerator and little water tank, thermal insulation layer 22 is arranged all.

Fig. 5 is the electrical control fundamental diagram of freezing synthetic therapeutic apparatus.Its operation principle process is as follows: after temperature selects potentiometer knob 2 to be threaded to the homoiothermic set-point; the thermal sensor element of water storage box 7 the insides obtains cooling water temperature information and selects the difference electromotive force of potentiometer to feed back to signal amplifier, comparison amplifier in the lump again in the rectifier power source program controller; by power amplifier, trigger, the overtemperature prote device of cutting off the water supply; automatically regulate the operating mode of electrothermal refrigeration devices at different levels and the power of adjustable speed water pump, cold head is stabilized on a certain required temperature value.

Supply with dc source to another group thermoelectric refrigerator 12 first order thermoelectric refrigerator 23 and second level thermoelectric refrigerator 20 and the medium cool-heat-exchanger from program controller; Because thermoelectric refrigerator hot junction, the second level is close on the cold junction of first order thermoelectric refrigerator, the heat radiation of the help second level, to in medium cool-heat-exchanger cooling cooling is then taken heat by the little water tank that internal bore forms cooling-water duct in the hot junction of first order thermoelectric refrigerator, then under obtaining-40 ℃ rapidly on the cold head with low temperature.

Structure implementation result of the present utility model, through tentatively test: 30 ℃ of room temperatures, when relative humidity 70%, 20 ℃ of coolant water temperatures:

First order test: voltage 4V, electric current 17A, 54.3 ℃ of the temperature difference, cold core temperature between the T form class :-29.3 ℃;

Second level test: voltage 5.5V, electric current 17A, 85.8 ℃ of the temperature difference, cold drawing chuck temperature :-62.5 ℃.

Obviously,, the cold head temperature is reached about-40 ℃, still can satisfy the requirement of clinical freezing enucleation and low temperature therapy range of application even the convective heat exchange of cold head and air has the portion temperature loss.

Fig. 6 is the electric control system block diagram of this therapeutic instrument.For cold head low temperature is remained on the setting value of job demand; temperature-sensitive sensor probe from the water storage box recirculated cooling water; temperature selects potentiometer to obtain thermoelectromotive force after voltage amplification; access is by Wheatstone bridge; comparison amplifier; power amplifier; μ JT trigger; the overtemperature prote device of cutting off the water supply; SCR controller rectifier power source; decoding/drive circuit; in the control circuit that liquid crystal display etc. are formed; first of synchronization control joystick; the electric current of the thermoelectric refrigerator in secondary thermoelectric refrigerator and the mainframe box medium cool-heat-exchanger and the power of adjustable speed water pump; regulate temperature and the hydraulic pressure and the flow of cooling water, to reach the cold head constant temperature purpose of control automatically.

If the freezing synthetic therapeutic apparatus of this utility model is further improved on the specification on cold head and the cutter head, material, operating technology further improves, and its range of application can expand in department of otorhinolaryngology, other cavity operation and the skin surgery operation.It is a kind of medical treatment clinical use and adapt to biology, herding and hospital pathology department experimentize, can reach rapidly-40 ℃ of low temperature and can regulate and control homothermic therapeutic instrument arbitrarily.Need not anaesthetize before using treatment, need not wrap up after the treatment, also need not change dressings, to the health not damaged, have no side effect, no cicatrix avoids patient's pathological changes phenomenon to take place.The treatment cost is low.

Claims

1, a kind of freezing synthetic therapeutic apparatus partly is made up of handle, mainframe box two, it is characterized in that:

1. be arranged on the bottom surface of the cold drawing chuck (18) in the handle (27) and the cold junction of second level thermoelectric refrigerator (20) and be close to, the end face of cold core (21) is close between the hot junction of second level thermoelectric refrigerator (20) and T form class; Two flat horizontal surfaces of cold core between the T form class (21) again with four thermoelectric refrigerators (23) of the first order near bonding; The hot junction of first order thermoelectric refrigerator (23) clings respectively with two little water tanks (24) and becomes one;

2. first and second grade thermoelectric refrigerator in the handle (27), the medium cool-heat-exchanger (12) in the mainframe box and adjustable speed water pump (11) select electronic circuits such as potentiometer, difference comparison amplifier, trigger, rectifier power source program controller to be connected its operating mode power of Synchronization Control and cooling water temperature, flow by cable by heat sensitive sensor, temperature.

2, cold therapy instrument according to claim 1 is characterized in that: thermoelectric refrigerator in the handle (20), (23), can adopt three grades or the thermoelectric refrigerator of multistage pagoda shape.

3, cold therapy instrument according to claim 1, it is characterized in that: the mainframe box overall structure can be made portable, or fixed panel operation platform.