阅读说明：本技术 一种嵌套式的温度可控的医用内热针 (Nested medical internal heating needle with controllable temperature ) 是由 卢熙群 张相彬 高谦 陈秀梅 杨永涛 于 2021-07-08 设计创作，主要内容包括：本发明的目的在于提供一种嵌套式的温度可控的医用内热针,包括外针、内针、电热丝、电热偶,所述外针内部中空,一端为针尖,另一端开口,所述内针内部中空,一端为针尖,另一端开口,内针位于外针的内部,内针的针尖与外针的针尖内侧相接触,电热丝位于内针的内部并与内针的针尖相接触,电热偶位于内针的内部,其端部与内针的针头相接触且与内针的针尖隔开。本发明通过内外针的嵌套式设计,在保证精准控温效果的同时,能够对内针,以及其内部的加热,测温等元器件进行重复利用,大大降低成本,同时,利用热电偶对针尖温度进行实时测量,精准控温,保证针尖在人体内的温度保持基本恒定。(The invention aims to provide a nested medical internal heating needle with controllable temperature, which comprises an outer needle, an inner needle, an electric heating wire and an electric thermocouple, wherein the outer needle is hollow, one end of the outer needle is a needle point, the other end of the outer needle is open, the inner needle is hollow, the other end of the inner needle is open, the inner needle is positioned in the outer needle, the needle point of the inner needle is contacted with the inner side of the needle point of the outer needle, the electric heating wire is positioned in the inner needle and is contacted with the needle point of the inner needle, the electric thermocouple is positioned in the inner needle, and the end part of the electric heating thermocouple is contacted with the needle head of the inner needle and is separated from the needle point of the inner needle. According to the invention, through the nested design of the inner needle and the outer needle, the inner needle and the heating and temperature measuring components in the inner needle can be repeatedly utilized while the accurate temperature control effect is ensured, so that the cost is greatly reduced, meanwhile, the thermocouple is used for measuring the temperature of the needle point in real time, the temperature is accurately controlled, and the temperature of the needle point in a human body is ensured to be basically constant.)

1. A nested medical internal heating needle with controllable temperature is characterized in that: including outer needle, inner needle, heating wire, thermocouple, the inside cavity of outer needle, one end are the needle point, other end opening, the inside cavity of inner needle, one end are the needle point, and other end opening, inner needle are located the inside of outer needle, and the needle point of inner needle contacts with the needle point inboard of outer needle, and the heating wire is located the inside of inner needle and contacts with the needle point of inner needle, and the thermocouple is located the inside of inner needle, and its tip contacts with the syringe needle of inner needle and separates with the needle point of inner needle.

2. The nested temperature-controllable medical endo-thermal needle of claim 1, further comprising: the open end of the outer needle is wrapped by a rubber sleeve handle which seals the open end of the outer needle, and the end part of the inner needle penetrates out of the rubber sleeve handle.

3. The nested temperature-controllable medical endo-thermal needle of claim 1, further comprising: the heating wire is connected with the power supply module, the initial setting module is connected with the thermocouple through the temperature comparison calculation module, the display module is connected with the thermocouple through the temperature comparison calculation module, and the alarm is connected with the temperature comparison calculation module.

4. The nested temperature-controllable medical endo-thermal needle of claim 1, further comprising: the heating wire is insulated.

5. The nested temperature-controllable medical endo-thermal needle of claim 1, further comprising: the outer needle and the inner needle are both made of stainless steel.

6. The nested temperature-controllable medical endo-thermal needle of claim 1, further comprising: the thermocouple is a K-type thermocouple and is separated from the heating wire.

Technical Field

The invention relates to a medical instrument, in particular to a medical instrument for acupuncture.

Background

Clinical application proves that the moxibustion has the functions of enhancing blood circulation and lymph circulation, regulating immunity, strengthening spleen and benefiting stomach, driving cold, dredging collaterals and relieving pain and the like, is also beneficial to certain diseases, for example, moxibustion is suitable for treating and rescuing various emergencies, acute diseases and critical diseases, can be used for nourishing and conditioning consumptive diseases, chronic diseases and the like, can be used for treating hundreds of diseases such as internal medicine, surgery, gynecology, skin, pediatrics, bone injury and the like, and has obvious curative effect. However, the traditional moxibustion method can not accurately control the temperature, the temperature of the contact point of the needle body and the skin exceeds 100 ℃, and the temperature of the needle head under the skin can only be kept at the normal temperature of the human body about 37 ℃, so that the skin has burning sensation and even burns. Most functions of the internal heating type acupuncture needle which appears in China at present are single, heating can be carried out only, the function of measuring feedback is not available, and the novel acupuncture needle capable of measuring the temperature also has the defect of high cost. Therefore, the recyclable internal heating needle with the real-time temperature measuring function is provided.

Disclosure of Invention

The invention aims to provide a nested temperature-controllable medical internal heating needle which solves the problems that the function of the existing internal heating needle is relatively single, the heating temperature of the internal heating needle in a human body cannot be controlled, the cost of other internal heating needles with the temperature control function is relatively high, and the like.

The purpose of the invention is realized as follows:

the invention relates to a nested temperature-controllable medical internal heating needle, which is characterized in that: including outer needle, inner needle, heating wire, thermocouple, the inside cavity of outer needle, one end are the needle point, other end opening, the inside cavity of inner needle, one end are the needle point, and other end opening, inner needle are located the inside of outer needle, and the needle point of inner needle contacts with the needle point inboard of outer needle, and the heating wire is located the inside of inner needle and contacts with the needle point of inner needle, and the thermocouple is located the inside of inner needle, and its tip contacts with the syringe needle of inner needle and separates with the needle point of inner needle.

The present invention may further comprise:

1. the open end of the outer needle is wrapped by a rubber sleeve handle which seals the open end of the outer needle, and the end part of the inner needle penetrates out of the rubber sleeve handle.

2. The heating wire is connected with the power supply module, the initial setting module is connected with the thermocouple through the temperature comparison calculation module, the display module is connected with the thermocouple through the temperature comparison calculation module, and the alarm is connected with the temperature comparison calculation module.

3. The heating wire is insulated.

4. The outer needle and the inner needle are both made of stainless steel.

5. The thermocouple is a K-type thermocouple and is separated from the heating wire.

The invention has the advantages that: according to the invention, through the nested design of the inner needle and the outer needle, the inner needle and the heating and temperature measuring components in the inner needle can be repeatedly utilized while the accurate temperature control effect is ensured, so that the cost is greatly reduced, meanwhile, the thermocouple is used for measuring the temperature of the needle point in real time, the temperature is accurately controlled, and the temperature of the needle point in a human body is ensured to be basically constant.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a block diagram of the system of the present invention.

Detailed Description

The invention will now be described in more detail by way of example with reference to the accompanying drawings in which:

with reference to fig. 1-2, the present invention provides a technical solution: comprises a rubber sleeve handle 1, an outer needle 2, an inner needle 3, an electric heating wire 4 and a thermocouple 5, wherein the outer needle 2 is hollow, one end of the outer needle is a needle point, and the other end of the outer needle is provided with an opening; the inner needle 3 is hollow, one end of the inner needle is a needle point, and the other end of the inner needle is provided with an opening; the electric heating wire 4 is arranged in the inner needle 3, and one end of the electric heating wire is contacted with the needle point of the inner needle 3; the thermocouple 5 is arranged inside the inner needle 3, and one end of the thermocouple is separated from the needle tip of the inner needle 3 but is contacted with the needle head; the rubber sleeve handle 1 is wrapped at the opening end of the outer needle 2, the opening end of the outer needle 2 is tightly sleeved at the same time, the opening end of the outer needle 2 is sealed, meanwhile, the inner needle 3 penetrates through the rubber sleeve handle 1, and the needle point of the inner needle 3 is contacted with the inner side of the needle point of the outer needle 2; the heating wire 4 is insulated; the power supply module 6 is a direct-current power supply for supplying power to the heating wires 4, and the voltage is 15-20V; the temperature comparison calculation module 7 is electrically connected with the thermocouple 5 in an input mode and is electrically connected with the power supply module 6 in an output mode; the initial setting module 8 is electrically connected with the temperature comparison and calculation module 7; the display module is electrically connected with the display 10; the alarm 11 is electrically connected with the temperature comparison calculation module 7. The initial setting module 8 is used for setting the upper limit and the lower limit of the set value of the thermocouple 5; the display module 9 is used for driving the display 10 to display the temperature measured by the thermocouple 5; the alarm 11 is controlled by the temperature comparison calculation module 7.

The heating wire 4 is insulated, and the rubber glove 1 plays the roles of skid resistance and heat insulation, thereby being convenient for a user to use and preventing the phenomenon of skid. The thermocouple 5 is a K-type thermocouple and is spaced apart from the heating wire 4. The material of the outer needle 2 and the inner needle 3 is stainless steel. The inner needle 3 can be used repeatedly, and the outer needle 2 is used only 1 time. The use cost is greatly reduced.

The working principle is as follows: when in use, the inner needle 2 is held by hand, the rubber sleeve handle 1 is pierced, and the inner needle is inserted into the outer needle 3 until the needle points of the inner needle and the outer needle are contacted, the set temperature range of the initial setting module 8 is set, the power switch is turned on, so that the power module 6 supplies power and heats the electric heating wire 4 to raise the temperature of the needle head of the outer needle 3, a user holds the rubber sleeve handle 1 to insert the needle head part of the outer needle 3 into the treatment implementing part of the patient for treatment, the thermocouple 5 measures the temperature of the needle head part of the inner needle 3, the temperature comparison calculation module 7 compares the measured temperature with the temperature set by the initial setting module 8, when the measured temperature is lower than the set temperature, the temperature comparison calculation module 7 controls the power supply module 6 to continuously supply power to the heating wire 4, when the measured temperature is higher than the set temperature, the temperature comparison calculation module 7 controls the power module 6 to stop supplying power to the heating wire 4. The invention has reasonable design, simple structure and convenient use, can measure the temperature of the heating part in real time and accurately control the treatment temperature of the inner heating needle in the human body, and more importantly, can realize repeated use of all elements except the outer needle and the rubber sleeve handle, greatly reduces the cost, prolongs the service life and has good market application prospect.