Movable digitally controlled hydraulic extracorporeal heart pressing machine

A mobile, cardiac technology, applied in the field of medical devices, can solve the problems of different levels of proficiency, uncertain pressing effect, easy displacement of the pressing head, etc., and achieve the effect of simple operation and intuitive display

Inactive Publication Date: 2004-01-21
毛宝伦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the rescue of patients with sudden cardiac arrest generally adopts artificial extracorporeal cardiac compression, which makes the chest wall sink by 4 to 5 cm at a certain frequency. Complications such as rib fractures are prone to occur; the operator's physical exertion is too large, and they are prone to fatigue, making it difficult to ensure the pressing effect for a long time; when rescuing severe infectious patients such as SARS, the probability of the operator's infection is greatly increased
As for heart compression device

Method used

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  • Movable digitally controlled hydraulic extracorporeal heart pressing machine
  • Movable digitally controlled hydraulic extracorporeal heart pressing machine
  • Movable digitally controlled hydraulic extracorporeal heart pressing machine

Examples

Experimental program
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Embodiment Construction

[0019] In order to enable the machine to be quickly put into rescue when needed, the machine should be in standby mode at ordinary times. Insert the three-pole plug of the soft sheath wire into the single-phase three-eye socket. The length of the wire can ensure that the machine can move freely in the rescue site. (33) is slightly higher than the height sum of the chest wall anteroposterior diameter of hospital bed and fat person, moves slide block (51), makes sensor (SQ 6 ) corresponds to the 45mm place of the depth scale (52), press the start key (73) on the control display panel (44), the microprocessor (MCU) makes the relay (KM) coil energized, and the relay (KM) contact is closed, The motor (M) rotates to drive the oil pump (58) to run, the oil is sucked into the oil pump (58) from the oil tank (56) through the filter (57), and is pressed out through the check valve (59). Frame valve (54) coil (YA 3 ) is energized, the spool shifts, and the oil enters the lower cavity o...

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Abstract

The movable digitally controlled hydraulic extracorporeal heart pressing machine includes one oil pump driving three single-piston rod cylinders and the three piston rods are connected with castor, pressing frame and pressing head separately. The MCU sends out commands according to preset program and based on the keys in the display panel and the position sensors to control the on-off of the hydraulic system, the elevation of the castor, the height, frequency, duty cycle and depth of the pressing head, to regulate the pressing speed of the pressing head via the regulating valve and control the pressing strength via the overflow valve. During the pressing, the parameters may be adjusted.

Description

Technical field [0001] The invention relates to a medical device, which is used for rescuing patients with sudden cardiac arrest. Background technique [0002] Once cardiac arrest is diagnosed, rescue should be carried out immediately to establish effective blood circulation, otherwise the resuscitation will be difficult to succeed. If the blood supply to the brain tissue is interrupted for 6 to 8 minutes, irreversible damage will occur. At present, the rescue of patients with sudden cardiac arrest generally adopts artificial extracorporeal cardiac compression, which makes the chest wall sink by 4 to 5 cm at a certain frequency. Complications such as rib fractures are prone to occur; the operator is too physically exhausted, easily fatigued, and it is difficult to ensure the pressing effect for a long time; when rescuing severe infectious patients such as SARS, the probability of the operator being infected increases greatly. As for heart compression devices, although there...

Claims

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Application Information

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IPC IPC(8): A61H31/00
Inventor 毛宝伦杨最素诸华丰
Owner 毛宝伦
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