Craniocerebral local low-temperature automatic temperature control device

An automatic temperature control, cranial brain technology, applied in the direction of heating appliances for treatment, cooling appliances for treatment, contraceptives, etc., can solve problems such as the impact of organ function, difficulty in maintaining low temperature, arrhythmia, etc.

Inactive Publication Date: 2009-11-11
NANJING GENERAL HOSPITAL NANJING MILLITARY COMMAND P L A +1
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Problems solved by technology

However, this method has three main defects: (1) the body temperature of the patient drops slowly, and it takes an average of 8 hours to reach a shallow hypothermia state, and it is also difficult to maintain the hypothermia, which may miss the opportunity for treatment for the patient; (2) the whole body hypothermia usually only It c

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  • Craniocerebral local low-temperature automatic temperature control device
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  • Craniocerebral local low-temperature automatic temperature control device

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Embodiment Construction

[0013] combine figure 1 The automatic temperature control device for local low temperature of the cranium of the present invention adopts a combined multi-point sensitive thermocouple sensor, performs thermoelectric conversion through a temperature measuring circuit, and controls the micro stepping motor through the control circuit after the collected signal is gated by the inspection circuit. Rotate speed, and then control the instantaneous flow rate of closed-loop coolant, realize the state of medium-to-deep low temperature (a certain temperature value can be set arbitrarily between 20°C and 36°C) in the local operation area, and automatically maintain the operation area and surrounding tissues at a certain temperature. A constant temperature to meet the needs of the operation, the whole process only takes a few minutes. The present invention includes a temperature sensor, a temperature measuring circuit, a patrol circuit, a control circuit, a drive circuit and a peristaltic...

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Abstract

The invention discloses a craniocerebral local low-temperature automatic temperature control device. The device carries out thermoelectric conversion through a temperature detecting circuit by adopting combination of multiple points of sensitive thermocouple sensors, controls the rotating speed of a miniature step motor through a control circuit after an acquired signal is gated through an inspection circuit, thereby controlling instant flow rate of cooling fluid of a closed loop, realizing middle depth low-temperature state in a local surgery zone, and automatically maintaining the surgery zone and peripheral tissues at a certain constant temperature to meet the requirement of a surgery. The whole process can quickly cool, and can reduce the temperature to the temperature required in the surgery in only 3 to 5 minutes after tests. The device not only can cool the middle depth zone in local part, has adjustable temperature, and maintains constant temperature, but also can form a temperature gradient graph in the brain, and has significance for evaluating the effect of low-temperature brain protection.

Description

technical field [0001] The invention belongs to the cranial brain cooling nerve protection technology, in particular to an automatic temperature control device for local low temperature of the cranial brain. Background technique [0002] At present, in neuroprotective medical treatment, in order to prevent the occurrence and development of cerebral ischemia, the method of cooling the body with ice blanket is mainly used. The principle of this method is to use the cooling blanket with cold water circulation, and use the heat exchange between the skin of the patient's trunk and limbs and the cooling blanket to achieve the purpose of lowering the patient's body temperature. However, this method has three main defects: (1) the body temperature of the patient drops slowly, and it takes an average of 8 hours to reach a shallow hypothermia state, and it is also difficult to maintain the hypothermia, which may miss the opportunity for treatment for the patient; (2) the whole body hy...

Claims

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Application Information

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IPC IPC(8): A61F7/12A61F7/00
Inventor 成惠林周树道石立华史继新张杰吴伟
Owner NANJING GENERAL HOSPITAL NANJING MILLITARY COMMAND P L A
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