AU2021100418A4 - External Counterpulsation Device for Prevention and Treatment of Sarcopenia - Google Patents
External Counterpulsation Device for Prevention and Treatment of Sarcopenia Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H9/00—Pneumatic or hydraulic massage
- A61H9/005—Pneumatic massage
- A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
- A61H9/0092—Cuffs therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/04—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with hydraulic or pneumatic drive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5007—Control means thereof computer controlled
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5071—Pressure sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/10—Leg
- A61H2205/106—Leg for the lower legs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/10—Leg
- A61H2205/108—Leg for the upper legs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2230/00—Measuring physical parameters of the user
- A61H2230/04—Heartbeat characteristics, e.g. E.G.C., blood pressure modulation
- A61H2230/06—Heartbeat rate
- A61H2230/065—Heartbeat rate used as a control parameter for the apparatus
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- Percussion Or Vibration Massage (AREA)
Abstract
The invention provides an external counterpulsation device for the
prevention and treatment of sarcopenia. The key points in the technical
solution of the present invention are as follows: the external counterpulsation
device comprises an ECG signal acquisition module, a central control module,
an air source module and split-type capsules, wherein the split-type capsules
consist of a split-type capsule 1 and a split-type capsule 2, both the split-type
capsule 1 and the split-type capsule 2 are composed of multiple segments of
airbag units respectively, the airbag units of each segment at least comprise a
pressure sensor and multiple airbags, and the pressure sensor at least
comprises a deformable touch plate. The present invention adopts the
segmental design and pressure adaptive technology. Specifically, the thigh
and calf capsules are divided into multiple segments, each segment is
equipped with an independent pressure sensor, and the target pressure to be
achieved in each segment is measured and adjusted in real time by a
corresponding pressure sensor arranged therein, which ensures the complete
fitting of the capsule to the limb tissues, and facilitates the precise control of
the airbag pressure, thus improving the external counterpulsation efficiency.
So, an application of the external counterpulsation technology in enhancing
peripheral microcirculation can realize the prevention and treatment of
sarcopenia.
FIGURES OF THE SPECIFICATION
Display module
Dataprocessing mode -Central control module Parameter processing module
Airsource module Vibrationcontrol mod le
ECG signal acquisition m dule Split-type capsules
Figure 1
Description
Display module
Dataprocessing mode -Central control module Parameter processing module
Airsource module Vibrationcontrol mod le
ECG signal acquisition m dule Split-type capsules
Figure 1
External Counterpulsation Device for Prevention and Treatment of
Sarcopenia
The present invention relates to a technology for the prevention and
treatment of sarcopenia, in particular to a technology for the prevention and
treatment of sarcopenia by using an external counterpulsation device.
Sarcopenia is a condition characterized by a decrease in muscle volume,
muscle strength, and somatic function. In 2016 sarcopenia received an
International Classification of Diseases (ICD-10) code (M62.84) from the World
Health Organization, which marked the recognition of sarcopenia as a new
disease. The prevalence of sarcopenia is about 10% in the elderly in
communities, up to 50% in the elderly over 80 years of age, and up to 30-50%
in the hospitalized elderly patient. Sarcopenia makes it difficult for the elderly
to complete various daily activities such as walking, sitting and standing, thus
increasing the risk of falls, disability rate and mortality.
Existing methods for the prevention and treatment of sarcopenia are
limited, mainly including nutritional intervention and resistance exercise, and
no drugs can effectively prevent and treat such disease. However, resistance
exercise is difficult to implement for most elderly people, especially the senile
elderly and these living in a nursing home and staying in hospital. The
whole-body vibration control (WBV) is a newly developed technology for the prevention and treatment of sarcopenia, which can only be provided for the elderly capable of standing constantly, thus making it infeasible for the elderly with severe sarcopenia.
In addition, external counterpulsation (ECP) technology has been used
clinically for more than 40 years, and several ECP devices have been
introduced; but in the past, they were mainly used to prevent and treat
coronary heart disease, angina pectoris, congestive heart failure and ischemic
stroke as an assistant treatment means. However, in recent years, it was found
that the average blood flow of posterior tibial artery increased to (133±3.4)% of
the basic state one hour after ECP, which could improve the peripheral blood
circulation. The growth, repair and work of skeletal muscle cannot be
performed without blood supply and oxygen supply from capillary network.
According to the studies, patients with sarcopenia are manifested with sparse
capillary network and microcirculation disturbance. The muscle function of
patients with sarcopenia can be improved by enhancing their microcirculation.
The purpose of the present invention is to provide an external
counterpulsation device for the prevention and treatment of sarcopenia, which
is capable of adaptively adjusting the internal pressure of capsules at different
positions, ensuring a full contact of capsules and limbs, and accurately
regulating the appropriate pressure in capsules, thereby intervening
sarcopenia from a perspective of microcirculation.
A technical solution for solving the technical problem of the present
invention is an external counterpulsation device for the prevention and treatment of sarcopenia, comprising an ECG signal acquisition module, a central control module, an air source module and split-type capsules, wherein the split-type capsules consist of a split-type capsule 1 and a split-type capsule
2, both the split-type capsule 1 and the split-type capsule 2 are composed of
multiple segments of airbag units respectively, the airbag units of each
segment at least comprise a pressure sensor and multiple airbags, and the
pressure sensor at least comprises a deformable touch plate;
the split-type capsule 1 and the split-type capsule 2 are used for wrapping
the corresponding positions of a user's thigh and calf, respectively;
the ECG signal acquisition module is used for collecting the ECG signal,
calculating the ECG R-wave of the user from the ECG signal, and transmitting
the ECG R-wave to the central control module;
the pressure sensor is used for detecting the pressure signal at the
contact position between the airbag unit of the corresponding segment and the
user's lower limb and transmitting the pressure signal to the central control
module;
the deformable touch plate is used for releasing a gentle shock at a
certain rate to the lower limb musculature upon activation;
the central control module is used for receiving the ECG R-wave and
pressure signal, measuring the rebound rate and strength of the deformable
touch plate when releasing a gentle shock to the lower limb musculature at a
certain rate, calculating the elasticity of muscle tissues, and controlling the air
source module to supply air into the airbag according to the calculation results, during which time the pressure sensor continuously detects the pressure signal at the contact position between the airbag unit of the corresponding segment and the user's lower limb until a threshold value is determined; and the central control module is also used for predicting the systole and diastole in real time based on the ECG R-wave and controlling the air source module to sequentially inflate and exhaust the airbags in each segment.
Specifically, both the split-type capsule 1 and the split-type capsule 2 are
composed of 16 segments of airbag units respectively.
Further, the airbag is orthohexagonal when uninflated.
Specifically, the air source module comprises a solenoid valve, an air
pressure pump, an air storage tank, an air guide tube, an exhaust valve and a
muffler valve, wherein the solenoid valve is used for receiving a control signal
from the central control module and transmitting the control signal to the air
pressure pump in real time, the control signal comprises an inflation signal, a
hold signal and a release signal, and the muffler valve is used for reducing the
air noise in the exhaust process;
when receiving an inflation signal, the air pressure pump compresses a
compressed air in the air storage tank to the air guide tube;
the air pressure pump stops inflating when receiving a hold signal; and
the exhaust valve starts to exhaust when receiving a release signal.
Further, the central control module controls the air source module to
sequentially inflate and deflate the airbags in each segment, specifically:
during diastole, the airbags in each segment are sequentially inflated from far to near with a time difference of approx. 50 ms, and during diastole, the airbags are rapidly and synchronously deflated.
Specifically, the external counterpulsation device further comprises a data
processing module, wherein the data processing module is used for filtering
and denoising the collected ECG R-wave and pressure signals, and
transmitting the filtered and denoised ECG R-wave and pressure signals to the
central control module.
Further, the external counterpulsation device further comprises a display
module, wherein the display module comprises a real time monitoring panel
used for displaying start time, set prevention and control time, end time, real
time pressure change data and dynamic curve of each segment and Lead II
ECG waveform.
Specifically, the external counterpulsation device further comprises a
parameter setting module and a vibration control module, wherein the airbag
units of each segment further comprise a vibration generating device;
the parameter setting module adjusts relevant parameters, comprising
prevention and control time, vibration frequency range, amplitude range,
pressure range, prevention and control mode and adjustment keys, wherein
the adjustment keys at least comprise the emergency stop key; and all
vibration generating devices can be powered off immediately to stop working
when the emergency stop key is pressed;
the central control module is used for setting the vibration amplitude range
of the vibration generating device according to the calculated elasticity of muscle tissues and the related parameters, and sending a vibration control signal to the vibration control module when required; the vibration control module is used for calculating a real-time vibration amplitude control signal when receiving the vibration control signal, and sending the real-time vibration amplitude control signal to the vibration generating device; and the vibration generating device is used for controlling the vertical mechanical vibration at corresponding amplitude and frequency according to the received real-time vibration amplitude control signal.
Further, the display module further comprises a parameter setting panel,
and the display information thereon comprises real-time amplitude, frequency
and duration of each vibration generating device.
Specifically, the corresponding vibration frequency is 30-45 Hz, and the
corresponding vibration amplitude is 1.0-2 mm.
The advantageous effects of the present invention are as follows: the
external counterpulsation device for the prevention and treatment of
sarcopenia can be applied to the debilitated or bedridden elderly patients with
severe sarcopenia, without any demands on special position or active
cooperation of the patients, which allows the intervention on sarcopenia from a
perspective of microcirculation, adaptively adjusts the airbag size and air wave
pressure to an appropriate level according to the volume of lower limb
musculature and the elasticity of skeletal muscles.
Moreover, in this application, external counterpulsation technology is used to improve peripheral microcirculation for the first time, so as to prevent and treat sarcopenia, while, external counterpulsation and local vibration prevention and treatment are realized on the same equipment for the first time through a combination thereof, thus saving prevention and treatment time and cost.
In addition, previous external counterpulsation technologies are
represented by a large capsule, which produces a fixed pressure on the limbs.
In fact, since the ratio of skeletal muscles and adipose tissues varies from
patient to patient, and the elasticity of tissues differs sharply, the fixed pressure
cannot adapt to the local pressure needs of different tissues, thus reducing the
effect. This application adopts the segmental design and pressure adaptive
technology. Specifically, the thigh and calf capsules are divided into multiple
segments, each segment is equipped with an independent pressure sensor,
and the target pressure to be achieved in each segment is measured and
adjusted in real time by a corresponding pressure sensor arranged therein,
which ensures the complete fitting of the capsule to the limb tissues, facilitates
the precise control of the airbag pressure, and improving the external
counterpulsation efficiency.
Fig. 1 shows the association between the modules of the external
counterpulsation device for the prevention and treatment of sarcopenia
according to Example 2 of the present invention.
The technical solutions of the present invention are described in detail in
combination with examples and drawings.
The present invention provides an external counterpulsation device for the
prevention and treatment of sarcopenia, comprising an ECG signal acquisition
module, a central control module, an air source module and split-type capsules,
wherein the split-type capsules consist of a split-type capsule 1 and a split-type
capsule 2, both the split-type capsule 1 and the split-type capsule 2 are
composed of multiple segments of airbag units respectively, the airbag units of
each segment at least comprise a pressure sensor and multiple airbags, and
the pressure sensor at least comprises a deformable touch plate;
the split-type capsule 1 and the split-type capsule 2 are used for wrapping
the corresponding positions of a user's thigh and calf, respectively;
the ECG signal acquisition module is used for collecting the ECG signal,
calculating the ECG R-wave of the user from the ECG signal, and transmitting
the ECG R-wave to the central control module;
the pressure sensor is used for detecting the pressure signal at the
contact position between the airbag unit of the corresponding segment and the
user's lower limb and transmitting the pressure signal to the central control
module;
the deformable touch plate is used for releasing a gentle shock at a
certain rate to the lower limb musculature upon activation;
the central control module is used for receiving the ECG R-wave and
pressure signal, measuring the rebound rate and strength of the deformable touch plate when releasing a gentle shock to the lower limb musculature at a certain rate, calculating the elasticity of muscle tissues, and controlling the air source module to supply air into the airbag according to the calculation results, during which time the pressure sensor continuously detects the pressure signal at the contact position between the airbag unit of the corresponding segment and the user's lower limb until a threshold value is determined; and the central control module is also used for predicting the systole and diastole in real time based on the ECG R-wave and controlling the air source module to sequentially inflate and exhaust the airbags in each segment.
Preferably, both the split-type capsule 1 and the split-type capsule 2 are
composed of 16 segments of airbag units respectively, and the airbag is
orthohexagonal when uninflated.
The air source module comprises a solenoid valve, an air pressure pump,
an air storage tank, an air guide tube, an exhaust valve and a muffler valve,
wherein the solenoid valve is used for receiving a control signal from the
central control module and transmitting the control signal to the air pressure
pump in real time, the control signal comprises an inflation signal, a hold signal
and a release signal, and the muffler valve is used for reducing the air noise in
the exhaust process;
when receiving an inflation signal, the air pressure pump compresses a
compressed air in the air storage tank to the air guide tube;
the air pressure pump stops inflating when receiving a hold signal; and
the exhaust valve starts to exhaust when receiving a release signal.
The central control module controls the air source module to sequentially
inflate and deflate the airbags in each segment, specifically: during diastole,
the airbags in each segment are sequentially inflated from far to near with a
time difference of 50 ms, and during diastole, the airbags are rapidly and
synchronously deflated.
The external counterpulsation device further comprises a data processing
module, wherein the data processing module is used for filtering and denoising
the collected ECG R-wave and pressure signals, and transmitting the filtered
and denoised ECG R-wave and pressure signals to the central control module.
The external counterpulsation device further comprises a display module,
wherein the display module comprises a real time monitoring panel used for
displaying start time, set prevention and control time, end time, real time
pressure change data and dynamic curve of each segment and Lead II ECG
waveform.
The external counterpulsation device further comprises a parameter
setting module and a vibration control module, wherein the airbag units of each
segment further comprise a vibration generating device;
the parameter setting module adjusts relevant parameters, comprising
prevention and control time, vibration frequency range, amplitude range,
pressure range, prevention and control mode and adjustment keys, wherein
the adjustment keys at least comprise the emergency stop key; and all
vibration generating devices can be powered off immediately to stop working
when the emergency stop key is pressed; the central control module is used for setting the vibration amplitude range of the vibration generating device according to the calculated elasticity of muscle tissues and the related parameters, and sending a vibration control signal to the vibration control module when required; the vibration control module is used for calculating a real-time vibration amplitude control signal when receiving the vibration control signal, and sending the real-time vibration amplitude control signal to the vibration generating device; and the vibration generating device is used for controlling the vertical mechanical vibration at corresponding amplitude and frequency according to the received real-time vibration amplitude control signal.
Further, the display module further comprises a parameter setting panel,
and the display information thereon comprises real-time amplitude, frequency
and duration of each vibration generating device.
Specifically, the corresponding vibration frequency is 30-45 Hz, the
optimal vibration frequency is 35-40 Hz, the corresponding vibration amplitude
is 1.0-2 mm, and the optimal vibration amplitude is 1.1-1.5 mm.
Example 1
Example 1 provides an external counterpulsation device for the prevention
and treatment of sarcopenia, comprising an ECG signal acquisition module, a
data processing module, a display module, a central control module, an air
source module and split-type capsules, wherein the split-type capsules consist
of a split-type capsule 1 and a split-type capsule 2, both the split-type capsule
1 and the split-type capsule 2 are composed of multiple segments of airbag
units respectively, the airbag units of each segment at least comprise a
pressure sensor and multiple airbags, and the pressure sensor at least
comprises a deformable touch plate;
the split-type capsule 1 and the split-type capsule 2 are used for wrapping
the corresponding positions of a user's thigh and calf, respectively;
the ECG signal acquisition module is used for collecting the ECG signal,
calculating the ECG R-wave of the user from the ECG signal, and transmitting
the ECG R-wave to the central control module;
the pressure sensor is used for detecting the pressure signal at the
contact position between the airbag unit of the corresponding segment and the
user's lower limb and transmitting the pressure signal to the central control
module;
the deformable touch plate is used for releasing a gentle shock at a
certain rate to the lower limb musculature upon activation;
the data processing module is used for filtering and denoising the
collected ECG R-wave and pressure signals, and transmitting the filtered and
denoised ECG R-wave and pressure signals to the central control module;
the display module comprises a real time monitoring panel used for
displaying start time, set prevention and control time, end time, real time
pressure change data and dynamic curve of each segment and Lead II ECG
waveform;
the central control module is used for receiving the ECG R-wave and pressure signal, measuring the rebound rate and strength of the deformable touch plate when releasing a gentle shock to the lower limb musculature at a certain rate, calculating the elasticity of muscle tissues, and controlling the air source module to supply air into the airbag according to the calculation results, during which time the pressure sensor continuously detects the pressure signal at the contact position between the airbag unit of the corresponding segment and the user's lower limb until a threshold value is determined; and the central control module is also used for predicting the systole and diastole in real time based on the ECG R-wave and controlling the air source module to sequentially inflate and exhaust the airbags in each segment.
In this example, both the split-type capsule 1 and the split-type capsule 2
are composed of 16 segments of airbag units respectively, and the airbag is
orthohexagonal when uninflated.
The air source module comprises a solenoid valve, an air pressure pump,
an air storage tank, an air guide tube, an exhaust valve and a muffler valve,
wherein the solenoid valve is used for receiving a control signal from the
central control module and transmitting the control signal to the air pressure
pump in real time, the control signal comprises an inflation signal, a hold signal
and a release signal, and the muffler valve is used for reducing the air noise in
the exhaust process;
when receiving an inflation signal, the air pressure pump compresses a
compressed air in the air storage tank to the air guide tube;
the air pressure pump stops inflating when receiving a hold signal; and the exhaust valve starts to exhaust when receiving a release signal.
The central control module controls the air source module to sequentially
inflate and deflate the airbags in each segment, specifically: during diastole,
the airbags in each segment are sequentially inflated from far to near with a
time difference of approx. 50 ms, and during diastole, the airbags are rapidly
and synchronously deflated.
In a practical application, special capsules with a pressure sensor are
wrapped around calve and thigh segments of patients. After the capsules have
already been fixed to a user's calve and thigh, the user can press the
"Prepare" key on the "Control Panel". In response, the deformable touch plate
on inner wall of the capsule with a pressure sensor will release a gentle impact
to the lower limb muscles at a certain rate; meanwhile, the central control
model will measure the rebound rate and strength of the deformable touch
plate, calculate the elasticity of muscle tissues, and control the air source
module to supply air into the airbag according to the calculation results, during
which time the pressure sensor on the deformable touch plate will continuously
detect the pressure of the contact surface until a threshold value is determined.
The capsule in this example is of segmental design. The thigh and leg
capsules are composed of 16 segments respectively, of which each segment
consists of hundreds of hexagonal cubic airbags and a pressure sensor; and
the inflating volume of each segment is determined by the elasticity of tissues
measured by the pressure sensor arranged in such a segment.
The ECG R-wave of the patient is detected by the ECG signal acquisition
system, and the systole and diastole are predicted in real time by the central control module, according to which the air source system is instructed to sequentially inflate and exhaust the airbags in each segment. During diastole, airbags in each segment are inflated from far to near with a time difference of approx. 50 ms, which increases diastolic pressure and circling heart blood flow.
During systole, the airbags are rapidly and synchronously deflated, and the
artery relaxes and receives blood from aorta after decompression of lower
limbs, thus achieving the purpose of improving microcirculation of muscle
tissues of the lower limbs.
In this example, the external counterpulsation technology is used to
improve peripheral microcirculation and thus for the prevention and treatment
of sarcopenia for the first time. In fact, since the ratio of skeletal muscles and
adipose tissues varies from patient to patient, and the elasticity of tissues
differs sharply, the fixed pressure cannot adapt to the local pressure needs of
different tissues, thus reducing the effect. According to this example, the thigh
and calf capsules are divided into 16 segments by the segmental and pressure
adaptive technology, each segment is equipped with an independent pressure
sensor, and the target pressure to be achieved in each segment is measured
and adjusted in real time by a corresponding pressure sensor arranged therein,
which ensures the complete fitting of the capsule to the limb tissues, and
facilitates the precise control of the airbag pressure, thus improving the
external counterpulsation efficiency.
Example 2
Example 2 provides an external counterpulsation device for the prevention
and treatment of sarcopenia, of which the modules are associated, as shown in Fig. 1. The external counterpulsation device comprises an ECG signal acquisition module, a central control module, a data processing module, a display module, a parameter setting module, a vibration control module, an air source module and split-type capsules, wherein the split-type capsules consist of a split-type capsule 1 and a split-type capsule 2, both the split-type capsule
1 and the split-type capsule 2 are composed of multiple segments of airbag
units respectively, the airbag units of each segment at least comprise a
pressure sensor and multiple airbags, the pressure sensor at least comprises
a deformable touch plate, and the airbag units of each segment comprise a
vibration generating device
For the external counterpulsation device for the prevention and treatment
of sarcopenia in this example:
the parameter setting module adjusts relevant parameters, comprising
prevention and control time, vibration frequency range, amplitude range,
pressure range, prevention and control mode and adjustment keys, wherein
the adjustment keys at least comprise the emergency stop key; and all
vibration generating devices can be powered off immediately to stop working
when the emergency stop key is pressed; and the priority of emergency stop is
higher than the preset working procedures in all vibration generators.
The vibration control module is used for calculating a real-time vibration
amplitude control signal when receiving the vibration control signal, and
sending the real-time vibration amplitude control signal to the vibration
generating device.
The vibration generating device is used for controlling the vertical mechanical vibration at corresponding amplitude and frequency according to the received real-time vibration amplitude control signal.
The split-type capsule 1 and the split-type capsule 2 are used for
wrapping the corresponding positions of a user's thigh and calf, respectively.
The ECG signal acquisition module is used for collecting the ECG signal,
calculating the ECG R-wave of the user from the ECG signal, and transmitting
the ECG R-wave to the central control module.
The pressure sensor is used for detecting the pressure signal at the
contact position between the airbag unit of the corresponding segment and the
user's lower limb and transmitting the pressure signal to the central control
module.
The air source module comprises a solenoid valve, an air pressure pump,
an air storage tank, an air guide tube, an exhaust valve and a muffler valve,
wherein the solenoid valve is used for receiving a control signal from the
central control module and transmitting the control signal to the air pressure
pump in real time, the control signal comprises an inflation signal, a hold signal
and a release signal, and the muffler valve is used for reducing the air noise in
the exhaust process; when receiving an inflation signal, the air pressure pump
compresses a compressed air in the air storage tank to the air guide tube; the
air pressure pump stops inflating when receiving a hold signal; and the
exhaust valve starts to exhaust when receiving a release signal.
The deformable touch plate is used for releasing a gentle shock at a
certain rate to the lower limb musculature upon activation.
The data processing module is used for filtering and denoising the
collected ECG R-wave and pressure signals, and transmitting the filtered and
denoised ECG R-wave and pressure signals to the central control module.
The display module comprises a real time monitoring panel used for
displaying start time, set prevention and control time, end time, real time
pressure change data and dynamic curve of each segment and Lead II ECG
waveform. The display module further comprises a parameter setting panel,
and the display information thereon comprises real-time amplitude, frequency
and duration of each vibration generating device.
The central control module is used for receiving the ECG R-wave and
pressure signal, measuring the rebound rate and strength of the deformable
touch plate when releasing a gentle shock to the lower limb musculature at a
certain rate, calculating the elasticity of muscle tissues, and controlling the air
source module to supply air into the airbag according to the calculation results,
during which time the pressure sensor continuously detects the pressure
signal at the contact position between the airbag unit of the corresponding
segment and the user's lower limb until a threshold value is determined.f
The central control module is used for setting the vibration amplitude
range of the vibration generating device according to the calculated elasticity
of muscle tissues and the related parameters, and sending a vibration control
signal to the vibration control module when required.
The central control module is also used for predicting the systole and
diastole in real time based on the ECG R-wave and controlling the air source
module to sequentially inflate and exhaust the airbags in each segment. The central control module controls the air source module to sequentially inflate and deflate the airbags in each segment, specifically: during diastole, the airbags in each segment are sequentially inflated from far to near with a time difference of approx. 50 ms, and during diastole, the airbags are rapidly and synchronously deflated.
In this example, both the split-type capsule 1 and the split-type capsule 2
are composed of 16 segments of airbag units respectively, and the airbag is
orthohexagonal when uninflated.
In a practical application, special capsules with a vibration and pressure
sensor are wrapped around calve and thigh segments of patients. After the
capsules have already been fixed to a user's calve and thigh, the user can
press the "Prepare" key on the "Control Panel". In response, the deformable
touch plate on inner wall of the capsule with a pressure sensor will release a
gentle impact to the lower limb muscles at a certain rate; meanwhile, the
central control model will measure the rebound rate and strength of the
deformable touch plate, calculate the elasticity of muscle tissues, and control
the air source module to supply air into the airbag according to the calculation
results, during which time the pressure sensor on the deformable touch plate
will continuously detect the pressure of the contact surface until a threshold
value is determined. The capsule in this application is of segmental design.
The thigh and leg capsules are composed of 16 segments respectively, of
which each segment consists of hundreds of hexagonal cubic airbags, a
pressure sensor and a vibration generator; and the inflating volume of each
segment is determined by the elasticity of tissues measured by the pressure sensor arranged in such a segment.
The ECG R-wave of the patient is detected by the ECG signal acquisition
system, and the systole and diastole are predicted in real time by the central
control module, according to which the air source system is instructed to
sequentially inflate and exhaust the airbags in each segment. During diastole,
airbags in each segment are inflated from far to near with a time difference of
approx. 50 ms, which increases diastolic pressure and circling heart blood flow.
During systole, the airbags are rapidly and synchronously deflated, and the
artery relaxes and receives blood from aorta after decompression of lower
limbs, thus achieving the purpose of improving microcirculation of muscle
tissues of the lower limbs.
The vibration generating device in the capsule generates a low-intensity
and high-frequency vertical mechanical vibration, with the vibration frequency
of 30-45 Hz, the optimal frequency of 35-40Hz, the amplitude of 1.0-2 mm and
the optimal amplitude of 1.1-1.5 mm. The central control module adjusts the
amplitude automatically within a set range according to the elasticity of skeletal
muscles measured by the sensor. The vibration amplitude increases with the
increasing of elasticity of skeletal muscles, and vice versa.
In the example, the vibration frequency, the prevention and treatment
duration and the range of vibration amplitude can be determined by the
medical personnel, and the amplitude can be automatically adjusted within the
set range in real time according to the elastic value of muscle tissues
calculated by the central control module.
Existing external counterpulsation technology is mainly used to prevent and treat coronary heart disease, angina pectoris, congestive heart failure and ischemic stroke. In the example, external counterpulsation technology is used to improve peripheral microcirculation for the first time, so as to prevent and treat sarcopenia, while, external counterpulsation and local vibration prevention and treatment are realized on the same equipment for the first time through a combination thereof, thus saving prevention and treatment time and cost.
Previous external counterpulsation technologies are represented by a
large capsule, which produces a fixed pressure on the limbs. In fact, since the
ratio of skeletal muscles and adipose tissues varies from patient to patient, and
the elasticity of tissues differs sharply, the fixed pressure cannot adapt to the
local pressure needs of different tissues, thus reducing the effect. This
application adopts the segmental design and pressure adaptive technology.
Specifically, the thigh and calf capsules are divided into 16 segments, each
segment is equipped with an independent pressure sensor, and the target
pressure to be achieved in each segment is measured and adjusted in real
time by a corresponding pressure sensor arranged therein, which ensures the
complete fitting of the capsule to the limb tissues, facilitates the precise control
of the airbag pressure, and improving the external counterpulsation efficiency.
The central control module adjusts the amplitude automatically within a
set range according to the elasticity of skeletal muscles measured by the
sensor. The vibration amplitude increases with the increasing of elasticity of
skeletal muscles, and vice versa; which not only avoids the injury of muscle
and soft tissues caused by excessive amplitude, but also ensures that deep skeletal muscle receives sufficient vibration stimulation.
Claims (10)
1. An external counterpulsation device for the prevention and treatment
of sarcopenia, characterized by comprising an ECG signal acquisition module,
a central control module, an air source module and split-type capsules,
wherein the split-type capsules consist of a split-type capsule 1 and a split-type
capsule 2, both the split-type capsule 1 and the split-type capsule 2 are
composed of multiple segments of airbag units respectively, the airbag units of
each segment at least comprise a pressure sensor and multiple airbags, and
the pressure sensor at least comprises a deformable touch plate;
the split-type capsule 1 and the split-type capsule 2 are used for wrapping
the corresponding positions of a user's thigh and calf, respectively;
the ECG signal acquisition module is used for collecting the ECG signal,
calculating the ECG R-wave of the user from the ECG signal, and transmitting
the ECG R-wave to the central control module;
the pressure sensor is used for detecting the pressure signal at the
contact position between the airbag unit of the corresponding segment and the
user's lower limb and transmitting the pressure signal to the central control
module;
the deformable touch plate is used for releasing a gentle shock at a
certain rate to the lower limb musculature upon activation;
the central control module is used for receiving the ECG R-wave and
pressure signal, measuring the rebound rate and strength of the deformable
touch plate when releasing a gentle shock to the lower limb musculature at a certain rate, calculating the elasticity of muscle tissues, and controlling the air source module to supply air into the airbag according to the calculation results, during which time the pressure sensor continuously detects the pressure signal at the contact position between the airbag unit of the corresponding segment and the user's lower limb until a threshold value is determined; and the central control module is also used for predicting the systole and diastole in real time based on the ECG R-wave and controlling the air source module to sequentially inflate and exhaust the airbags in each segment.
2. The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 1, characterized in that both the split-type
capsule 1 and the split-type capsule 2 are composed of 16 segments of airbag
units respectively.
3. The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 1, characterized in that the airbag is
orthohexagonal when uninflated.
4. The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 1, characterized in that the air source module
comprises a solenoid valve, an air pressure pump, an air storage tank, an air
guide tube, an exhaust valve and a muffler valve, wherein the solenoid valve is
used for receiving a control signal from the central control module and
transmitting the control signal to the air pressure pump in real time, the control
signal comprises an inflation signal, a hold signal and a release signal, and the
muffler valve is used for reducing the air noise in the exhaust process; when receiving an inflation signal, the air pressure pump compresses a compressed air in the air storage tank to the air guide tube; the air pressure pump stops inflating when receiving a hold signal; and the exhaust valve starts to exhaust when receiving a release signal.
5. The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 1, characterized in that the central control
module controls the air source module to sequentially inflate and deflate the
airbags in each segment, specifically: during diastole, the airbags in each
segment are sequentially inflated from far to near with a time difference of 50
ms, and during diastole, the airbags are rapidly and synchronously deflated.
6. The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 1, characterized by further comprising a data
processing module, wherein the data processing module is used for filtering
and denoising the collected ECG R-wave and pressure signals, and
transmitting the filtered and denoised ECG R-wave and pressure signals to the
central control module.
7. The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 1, characterized by further comprising a
display module, wherein the display module comprises a real time monitoring
panel used for displaying start time, set prevention and control time, end time,
real time pressure change data and dynamic curve of each segment and Lead
II ECG waveform.
8. The external counterpulsation device for the prevention and treatment of sarcopenia according to any one of claims 1 to 7, characterized by further comprising a parameter setting module and a vibration control module, wherein the airbag units of each segment further comprise a vibration generating device; the parameter setting module adjusts relevant parameters, comprising prevention and control time, vibration frequency range, amplitude range, pressure range, prevention and control mode and adjustment keys, wherein the adjustment keys at least comprise the emergency stop key; and all vibration generating devices can be powered off immediately to stop working when the emergency stop key is pressed; the central control module is used for setting the vibration amplitude range of the vibration generating device according to the calculated elasticity of muscle tissues and the related parameters, and sending a vibration control signal to the vibration control module when required; the vibration control module is used for calculating a real-time vibration amplitude control signal when receiving the vibration control signal, and sending the real-time vibration amplitude control signal to the vibration generating device; and the vibration generating device is used for controlling the vertical mechanical vibration at corresponding amplitude and frequency according to the received real-time vibration amplitude control signal.
9. The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 8, characterized in that the display module further comprises a parameter setting panel, and the display information thereon comprises real-time amplitude, frequency and duration of each vibration generating device.
10.The external counterpulsation device for the prevention and treatment
of sarcopenia according to claim 8, characterized in that the corresponding
vibration frequency is 30-45 Hz, and the corresponding vibration amplitude is
1.0-2 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| AU2021100418A AU2021100418A4 (en) | 2021-01-22 | 2021-01-22 | External Counterpulsation Device for Prevention and Treatment of Sarcopenia |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021100418A AU2021100418A4 (en) | 2021-01-22 | 2021-01-22 | External Counterpulsation Device for Prevention and Treatment of Sarcopenia |
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|---|---|
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ID=75397196
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| Country | Link |
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2021
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