CN208756299U - A kind of four limbs muff - Google Patents

Abstract

The utility model relates to a kind of four limbs muffs, including body, flame-retardant layer and temperature controller；The body includes heating unit, heat-conducting layer and thermal insulation layer, the two sides of the heating unit are equipped with flame-retardant layer, and a surface recombination of heat-conducting layer, on a surface of a flame-retardant layer of heating unit side, thermal insulation layer is compounded on a surface of a flame-retardant layer of the heating unit other side；The temperature controller includes that temperature sensor and temperature adjust control assembly, and the temperature sensor is located on heating unit, and connecting pin corresponding with temperature adjusting control assembly is electrically connected respectively for temperature sensor and heating unit.The utility model is not only easy to use, but also convenient for adjusting heating temperature, and the loss of the heat by substantially reducing patients during peri to the heat preservation of four limbs, reduces the generation of postoperative hypothermia, effectively facilitate quick recovery and apply in clinic.

Description

A kind of four limbs muff

Technical field

The utility model relates to a kind of muffs, and in particular to a kind of four limbs muff belongs to medical auxiliary equipment technology Field.

Background technique

With the raising of surgery operating technology, many operations had been absolute contraindication in the past, and now at opposite taboo Disease even indication, so that the quantity of surgical operation is also to increase year by year.It is well known that patient body heat in operation Loss do not well solved always, warm saline replaces the flushing of room temperature salt water to seem to alleviate any hot in prior art The loss of amount, but that is an utterly inadequate amount.It is learnt by consulting literatures, heat loss through radiation (thermal radiation) refers to people Body heat is transmitted to a kind of extraneous radiating mode compared with solidifiable substance in the form of heat ray by body.Human body in 21 DEG C or so of environment, (the namely universal temperature of operating room) in nude, the heat there are about 60% is dissipated by radiation mode.Radiation dissipates Heat number depend primarily on two aspects: on the one hand, the temperature difference between the skin and ambient enviroment of patient works as skin temperature When higher than environment temperature, temperature difference is bigger, and heat dissipation capacity is more.If we are excessively high by the temperature adjusting of operating room, reducing Patient irradiation plays the role of really in terms of radiating, but when the temperature is excessively high, operator tends to have sultry, perspiration, fidgety, tired etc. Reaction is easy to influence stable mood and quick thinking, prevents the technical level of operator from being played well.Simultaneously Patient also will appear the symptoms such as heart rate is fast, perspiration is more and increase operating difficulty, and the excessively high growth for also easily leading to bacterium of temperature is unfavorable In the sterile of operating field.On the other hand, heat loss through radiation additionally depends on effective heat dissipation area of body, and effective heat dissipation area is bigger, Heat dissipation capacity is more.It plays an important role since the surface area of four limbs is larger, thus in heat loss through radiation.It is calculated according to rule of Nine Body surface area, bilateral forearm, upper arm and bilateral thigh, the area percentage of whole body shared by shank are 7+6+21+13=47%. And currently, we will use heat keeper only to reduce the heat at patient back and lose, and back only accounts for the 13% of body surface area, In comparison, much less is wanted compared with the heat loss of four limbs.In addition, heat keeper is that the hot-air being full of by inside is kept the temperature, Once local compression, air compression, there is the non-uniform problem of heat transfer.The air pump inflated to heat keeper is also larger more expensive Weight, cannot freely move with the transhipment of patient, therefore, be badly in need of design and want a kind of easy to use, and convenient for adjusting heating temperature The four limbs muff of degree.

Summary of the invention

The purpose of this utility model is: providing a kind of not only easy to use, but also convenient for adjusting heating temperature, and passes through The heat that patients during peri is substantially reduced to the heat preservation of four limbs is lost, and the generation of postoperative hypothermia is reduced, and effectively facilitates fast The four limbs muff that fast rehabilitation is applied in clinic.

A kind of in order to achieve the above object, the technical solution of the present invention is: four limbs muff, including it is body, fire-retardant Layer and temperature controller；The body includes heating unit, heat-conducting layer and thermal insulation layer, and the two sides of the heating unit are equipped with resistance Layer is fired, and heat-conducting layer is compounded on a surface of a flame-retardant layer of heating unit side, thermal insulation layer is compounded in heating unit On one surface of one flame-retardant layer of the other side；The temperature controller includes that temperature sensor and temperature adjust control always At the temperature sensor is located on heating unit, and temperature sensor and heating unit adjust control assembly with temperature respectively Corresponding connecting pin electrical connection.

In the above-mentioned technical solutions, the heating unit includes that multiple groups heat tributary unit, and every group of heating tributary unit is It is made of multiple heating wire parallel connections or is made of multiple flaky graphene film parallel connections.

In the above-mentioned technical solutions, the body is equipped with garter window.

In the above-mentioned technical solutions, the temperature adjusting control assembly includes DC power-supply circuit, heating monitoring protection list Member, display circuit, temperature adjustment knob, single-chip microcontroller and alarm unit, the DC power-supply circuit, heating monitoring protection location, The connecting pin electrical connection corresponding with single-chip microcontroller respectively of display circuit, temperature adjustment knob, temperature sensor and alarm unit, and it is straight Flow the connecting pin electrical connection corresponding with heating unit respectively of power supply circuit and heating monitoring protection location.

In the above-mentioned technical solutions, the heating unit is electrically connected by direct current supply line with DC power-supply circuit.

In the above-mentioned technical solutions, the temperature sensor is electrically connected by sensor line connecting pin corresponding with single-chip microcontroller It connects.

In the above-mentioned technical solutions, heating monitoring protection location has a multiple groups, and every group of heating tributary unit respectively with One group of heating monitoring protection location and a temperature sensor electrical connection, the heating monitoring protection location include voltage monitoring electricity Connecting pin corresponding with single-chip microcontroller is electrically connected respectively for road and current monitoring circuit, the voltage monitoring circuit and current monitoring circuit It connects.

In the above-mentioned technical solutions, the resistance that the side of the heat-conducting layer passes through nylon fastener belt and heating unit side Fire a surface bonding connection of layer.

In the above-mentioned technical solutions, the flame-retardant layer is fire retardant, and the thickness control of flame-retardant layer is in 3mm ~ 5mm range It is interior；The thickness control of the heat-conducting layer is within the scope of 2mm ~ 5mm；The thermal insulation layer is space wadding or is rock wool or is stone Cotton, and the thickness control of thermal insulation layer is within the scope of 3mm ~ 6mm.

In the above-mentioned technical solutions, the heat-conducting layer of the body and thermal insulation layer sewing are integrated, and the width of body one end W1 is greater than the width W2 of its other end.

Good effect possessed by the utility model is: after the four limbs muff of the utility model, since this is practical Novel includes body, flame-retardant layer and temperature controller；The body includes heating unit, heat-conducting layer and thermal insulation layer, the heating The two sides of unit are equipped with flame-retardant layer, and heat-conducting layer is compounded on a surface of a flame-retardant layer of heating unit side, every Thermosphere is compounded on a surface of a flame-retardant layer of the heating unit other side；The temperature controller includes temperature sensor Adjust control assembly with temperature, the temperature sensor is located on heating unit, and temperature sensor and heating unit respectively with Temperature adjusts the corresponding connecting pin electrical connection of control assembly；In use, the utility model is coated on the four limbs of patient, and will The side of heat-conducting layer and the side bonding connection of thermal insulation layer are adjusted the heating temperature of control assembly control heating unit by temperature, The heating temperature of the temperature sensor acquisition heating unit can pass through temperature tune if heating unit is too high or too low for temperature Section control assembly adjusts the temperature of heating unit, and the utility model is not only easy to use, but also convenient for adjusting heating temperature, and Heat by substantially reducing patients during peri to the heat preservation of four limbs is lost, and reduces the generation of postoperative hypothermia, effectively promotees It is applied in clinic into quick recovery.

Detailed description of the invention

Fig. 1 is that structural schematic diagram of the utility model for a kind of specific embodiment of lower limb (does not include temperature control Device)；

Fig. 2 is the schematic rear view of Fig. 1；

Fig. 3 is the A-A schematic cross-sectional view of Fig. 2；

Fig. 4 is the use state diagram that the utility model is used for lower limb；

Fig. 5 is the schematic top plan view of Fig. 4；

Fig. 6 is that structural schematic diagram of the utility model for a kind of specific embodiment of upper limb (does not include temperature control Device)；

Fig. 7 is the schematic rear view of Fig. 6；

Fig. 8 is the B-B schematic cross-sectional view of Fig. 7；

Fig. 9 is the use state diagram that the utility model is used for upper limb；

Figure 10 is the utility model electric control part circuit block diagram；

Figure 11 is the circuit diagram of the temperature controller of the utility model；

Figure 12 is the circuit diagram of the voltage monitoring circuit of the utility model；

Figure 13 is the current monitoring circuit of the utility model.

Specific embodiment

Below in conjunction with attached drawing and the embodiment provided, the utility model is further described, but is not limited to This.

Embodiment 1

A kind of to be applicable in the four limbs muff kept the temperature to the lower limb of human body as shown in Fig. 1,2,3,4,5,10,11, it is wrapped Include body 1, flame-retardant layer 2 and temperature controller 4；The body 1 includes heating unit 1-1, heat-conducting layer 1-2 and thermal insulation layer 1-3, institute The two sides for stating heating unit 1-1 are equipped with flame-retardant layer 2, and heat-conducting layer 1-2 is compounded in a flame-retardant layer of the side heating unit 1-1 On 2 surface, thermal insulation layer 1-3 is compounded on a surface of a flame-retardant layer 2 of the other side heating unit 1-1；It is described Temperature controller 4 includes that temperature sensor 4-4 and temperature adjust control assembly 4-3, and it is single that the temperature sensor 4-4 is located at heating On first 1-1, and connecting pin corresponding with temperature adjusting control assembly 4-3 is electrically connected respectively by temperature sensor 4-4 and heating unit 1-1 It connects.

Heating unit 1-1 described in the utility model includes that multiple groups heat tributary unit, and every group of heating tributary unit is by more A heating wire parallel connection is constituted or is made of multiple flaky graphene film parallel connections.The utility model is preferentially selected is in by multiple The heating tributary unit that the graphene film parallel connection of sheet is constituted.Every group of heating tributary unit of the utility model is to be in by 6 ~ 8 The graphene film parallel connection of sheet is constituted.

In order to ensure accomplishing health care requirement with human limb contact portion, the heat-conducting layer 1-2 is and heating unit One surface bonding connection of one flame-retardant layer 2 of the side 1-1, after different sufferer uses, directly by heat-conducting layer 1-2 from the resistance One of combustion layer 2 is from sur-face peeling, the heat-conducting layer then more renewed, and other devices of the utility model are reusable, section About use cost.

As shown in Figure 10,11, for the ease of adjusting the heating temperature of control heating unit 1-1, and convenient for more intuitive The working condition of current heating unit 1-1 is observed, the temperature adjusts control assembly 4-3 and includes DC power-supply circuit 4-3-1, adds Heat monitoring protection location 4-3-2, display circuit 4-3-3, temperature adjustment knob 4-3-4, single-chip microcontroller 4-3-5 and alarm unit 4-3- 6, the DC power-supply circuit 4-3-1, heating monitoring protection location 4-3-2, display circuit 4-3-3, temperature adjustment knob 4-3- 4, temperature sensor 4-4 and alarm unit 4-3-6 connecting pin electrical connection corresponding with single-chip microcontroller 4-3-5, and direct current supply respectively Circuit 4-3-1 and heating monitoring protection location 4-3-2 connecting pin electrical connection corresponding with heating unit 1-1 respectively.

As shown in Fig. 1,2,3,4,5, for the ease of connection, the heating unit 1-1 passes through direct current supply line 4-5 and direct current Power supply circuit 4-3-1 electrical connection.The direct current supply line 4-5 has USB joint, and the USB joint grafting of direct current supply line 4-5 On the USB interface of direct-current voltage reducing circuit 4-3-2.

As shown in Fig. 1,2,3,4,5, for the ease of connection, the temperature sensor 4-4 passes through sensor line 4-6 and list The corresponding connecting pin electrical connection of piece machine 4-3-5.The sensor line 4-6 has USB joint, and the USB of sensor line 4-6 Connector is plugged on the USB interface of single-chip microcontroller 4-3-5.

As shown in Figure 10, for the ease of protecting to every group of heating tributary unit implementing monitoring, the heating monitoring protection is single First 4-3-2 has multiple groups, and every group of heating tributary unit monitors protection location 4-3-2 and a temperature sensing with one group of heating respectively Device 4-4 electrical connection, the heating monitoring protection location 4-3-2 includes voltage monitoring circuit 4-3-21 and current monitoring circuit 4-3- Connecting pin corresponding with single-chip microcontroller 4-3-5 is electric respectively by 22, the voltage monitoring circuit 4-3-21 and current monitoring circuit 4-3-22 Connection.Every group of heating tributary unit is powered by independent DC power-supply circuit 4-3-1.The DC power-supply circuit 4-3-1 is lithium Battery.

As shown in Fig. 1,2,3,4,5, for the ease of by heat-conducting layer 1-2 and 2 bonding connection of flame-retardant layer, so that it is easy to use, The side of the heat-conducting layer 1-2 is viscous by a surface of nylon fastener belt 3 and a flame-retardant layer 2 of the side heating unit 1-1 It connects in succession.

In order to improve the safety that the utility model uses, and further increase the reasonability of the utility model, this reality It is fire retardant with the novel flame-retardant layer 2, and the thickness control of flame-retardant layer 2 is within the scope of 3mm ~ 5mm；The heat-conducting layer 1-2's Thickness control is within the scope of 2mm ~ 5mm；The thermal insulation layer 1-3 is space wadding or is rock wool or is asbestos, and thermal insulation layer The thickness control of 1-3 is within the scope of 3mm ~ 6mm.

Organization of human body, the heat-conducting layer 1-2 and thermal insulation layer 1-3 of the body 1 are more bonded for the ease of production, and design Sewing is integrated, and the width W1 of 1 one end of body is greater than the width W2 of its other end.

Embodiment 2

As shown in Fig. 6,7,8,9,10,11, embodiment 2 difference from example 1 is that: one kind be suitable for human body on The four limbs muff that limb is kept the temperature, the body 1 are equipped with garter window 1-4, this is pricked for the ease of the arm to patient Needle.It is of course also possible to which the utility model is coated on arm again after patient's acupuncture treatment.

The muff for being suitable for human body lower limbs before use, as shown in Figure 4,5, is coated on the leg of patient by the utility model Portion, a then surface bonding connection of a flame-retardant layer 2 of the heat-conducting layer 1-2 and the side heating unit 1-1, such as Fig. 9 institute Show, the muff for being suitable for human upper limb is coated on to the arm of patient, and the side of heat-conducting layer and a side bonds of thermal insulation layer connect It connects.

The course of work of the utility model is: in use, adjusting control assembly 4-3 by temperature controls heating unit 1-1 Heating temperature regulates and controls the heating temperature of heating unit 1-1 by temperature adjustment knob 4-3-4, and aobvious by display circuit 4-3-3 Show, heating temperature is acquired by the corresponding temperature sensor 4-4 of every group of heating tributary unit, according to the demand of patient, if plus Hot cell 1-1's is too high or too low for temperature, and the temperature adjustment knob 4-3-4 that control assembly 4-3 can be adjusted by temperature, which is adjusted, to be added The heating temperature of hot cell 1-1；

As shown in figure 12, the direct current supply electricity powered by the voltage monitoring circuit 4-3-21 to every group of heating tributary unit Road 4-3-1 carries out voltage acquisition, if any one DC power-supply circuit 4-3-1 occurs under-voltage, exports under-voltage letter immediately Number arrive single-chip microcontroller 4-3-5, and by single-chip microcontroller 4-3-5 export control signal, control alarm unit 4-3-6 alarm；

Reference voltage Vref in Figure 12 is divided into three voltage references by resistor network, supplies respectively as each direct current Circuit 4-3-1(lithium battery) reference data.By taking lithium ion battery B3 as an example, when its voltage is lower than its brownout threshold, Partial pressure through resistance Rj and Rk powers on pressure with resistance Rn and is compared, and comparator UgD movement exports high level, i.e., Under-voltage signal UV_Sig is sent to central control unit.Show that the branched battery is under-voltage on a display screen simultaneously.

As shown in figure 13, it is adopted in real time by electric current of the current monitoring circuit 4-3-22 to every group of heating tributary unit Sample, when output electric current is more than the reference value set in single-chip microcontroller 4-3-5, over-current signal is admitted to single-chip microcontroller 4-3-5, and defeated The output of the signal-inhibiting heating tributary unit is controlled out, and controls alarm unit 4-3-6 alarm；

RL is the load of output end access in Figure 13, and Vref is voltage reference value.When output electric current be more than limitation, That is the voltage on current sampling resistor Rsense is more than reference value Vref, so that comparator acts, by optocoupler over-current signal OC_Sig is admitted to single-chip microcontroller 4-3-5, and optocoupler keeps apart output and control circuit, enhances security performance.

Display circuit 4-3-3 described in the utility model is capable of the state of every group of heating tributary unit of real-time display, i.e., and each Heating temperature, the operating voltage on road, the output electric current of each output circuit, whether each branch exports.It adjusts according to actual needs simultaneously Pulse is exported, to adjust heating time.

The utility model is not only easy to use, but also convenient for adjusting heating temperature, and by the heat preservation to four limbs come big The big heat for reducing patients during peri is lost, and reduces the generation of postoperative hypothermia, effectively facilitates quick recovery and answer in clinic With.

It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims (10)

1. a kind of four limbs muff, it is characterised in that: including body (1), flame-retardant layer (2) and temperature controller (4)；The body It (1) include heating unit (1-1), heat-conducting layer (1-2) and thermal insulation layer (1-3), the two sides of the heating unit (1-1) are equipped with resistance It fires layer (2), and heat-conducting layer (1-2) is compounded on a surface of a flame-retardant layer (2) of the side heating unit (1-1), it is heat-insulated Layer (1-3) is compounded on a surface of a flame-retardant layer (2) of the other side heating unit (1-1)；The temperature controller (4) Control assembly (4-3) is adjusted including temperature sensor (4-4) and temperature, the temperature sensor (4-4) is located at heating unit (1- 1) on, and temperature sensor (4-4) and heating unit (1-1) adjust the corresponding connecting pin control assembly (4-3) with temperature respectively Electrical connection.

2. four limbs muff according to claim 1, it is characterised in that: the heating unit (1-1) is heated comprising multiple groups Tributary unit, every group of heating tributary unit are made of multiple heating wire parallel connections or by multiple flaky graphene films parallel connections It constitutes.

3. four limbs muff according to claim 1 or 2, it is characterised in that: the body (1) is equipped with garter window (1-4).

4. four limbs muff according to claim 1 or 2, it is characterised in that: the temperature adjusts control assembly (4-3) packet Include DC power-supply circuit (4-3-1), heating monitoring protection location (4-3-2), display circuit (4-3-3), temperature adjustment knob (4- 3-4), single-chip microcontroller (4-3-5) and alarm unit (4-3-6), the DC power-supply circuit (4-3-1), heating monitoring protection location (4-3-2), display circuit (4-3-3), temperature adjustment knob (4-3-4), temperature sensor (4-4) and alarm unit (4-3-6) Connecting pin electrical connection corresponding with single-chip microcontroller (4-3-5) respectively, and DC power-supply circuit (4-3-1) and heating monitoring protection location (4-3-2) connecting pin electrical connection corresponding with heating unit (1-1) respectively.

5. four limbs muff according to claim 4, it is characterised in that: the heating unit (1-1) passes through DC power supply Line (4-5) is electrically connected with DC power-supply circuit (4-3-1).

6. four limbs muff according to claim 4, it is characterised in that: the temperature sensor (4-4) passes through sensor Line (4-6) connecting pin electrical connection corresponding with single-chip microcontroller (4-3-5).

7. four limbs muff according to claim 4, it is characterised in that: heating monitoring protection location (4-3-2) has Multiple groups, and every group of heating tributary unit monitors protection location (4-3-2) and a temperature sensor (4-4) with one group of heating respectively Electrical connection, heating monitoring protection location (4-3-2) includes voltage monitoring circuit (4-3-21) and current monitoring circuit (4-3- 22), the voltage monitoring circuit (4-3-21) and current monitoring circuit (4-3-22) is corresponding with single-chip microcontroller (4-3-5) respectively connects Connect end electrical connection.

8. four limbs muff according to claim 1, it is characterised in that: the side of the heat-conducting layer (1-2) passes through nylon One surface bonding connection of one flame-retardant layer (2) of pull stap (3) and the side heating unit (1-1).

9. four limbs muff according to claim 1, it is characterised in that: the flame-retardant layer (2) is fire retardant, and flame-retardant layer (2) thickness control is within the scope of 3mm ~ 5mm；The thickness control of the heat-conducting layer (1-2) is within the scope of 2mm ~ 5mm；It is described every Thermosphere (1-3) is space wadding or is rock wool or is asbestos, and the thickness control of thermal insulation layer (1-3) is in 3mm ~ 6mm range It is interior.

10. four limbs muff according to claim 1, it is characterised in that: the heat-conducting layer (1-2) of the body (1) and every Thermosphere (1-3) sewing is integrated, and the width W1 of body (1) one end is greater than the width W2 of its other end.