KR102033134B1 - Hemostatic apparatus with hemostatic pressure automatic control function - Google Patents

Abstract

According to the present invention, a hemostatic device for bleeding the bleeding site, the cuff (110) is expanded by the air injected to be mounted around the body part in close proximity to the bleeding site to generate a hemostatic pressure; A pressure sensor 120 for detecting the hemostatic pressure; A pressure pump (130) connected to the cuff (110) and a pneumatic line (L1) to drive according to a control signal and inject air into the cuff (110); The cuff 110 is mounted on one side of the body part in the direction of hemostasis, and a measurement value for estimating the degree of blood flow through the compression site is measured to measure the state of hemostasis for the bleeding part. Unit 140; And a proper hemostatic state measurement value is stored and drives the pressure pump 130 to increase the hemostatic pressure until the current hemostatic state measurement value measured by the hemostatic state measurement unit 140 reaches the proper hemostatic state measurement value. Disclosed is a hemostatic device including a control unit 150 for controlling.

Description

Hemostatic device with hemostatic control automatically {HEMOSTATIC APPARATUS WITH HEMOSTATIC PRESSURE AUTOMATIC CONTROL FUNCTION}

The present invention relates to a hemostatic device with an automatic setting of hemostatic pressure or an automatic control function, and more particularly, to hemostatic bleeding areas during surgery or first aid, and to automatically set or automatically regulate hemostatic pressure according to the state of hemostasis. The present invention relates to a hemostatic device equipped with a hemostatic auto-adjustment function that can induce an appropriate hemostatic action and prevent side effects such as pain caused by excessive compression or physical damage.

In general, a hemostatic device is a device that enables rapid hemostasis by compressing a body part in close proximity to a bleeding part. When a pressure bulb is placed on the bleeding part and a band is attached to the skin, air is injected into the pressure bulb with an injection hose. As the pressure bulb is expanded, a pressure bulb-type hemostatic device capable of bleeding at the bleeding site is mainly used.

Such a conventional hemostatic device can adjust the hemostatic pressure stepwise by adjusting the air injection amount, but there was a problem that can not determine how much hemostasis is made by the controlled hemostatic pressure.

In more detail, if the amount of blood discharged to the bleeding site after hemostasis is rapidly reduced or no longer bleeding, it can be visually confirmed that hemostasis is properly performed. However, hemostatic pressure for direct compression is usually applied to the bleeding site. Because it is wrapped, it is impossible to check the amount of bleeding with the naked eye, and it is inevitable to adjust the hemostatic pressure that presses the body part by the empirical judgment of the therapist or by the pressure value measured by the pressure sensor of the hemostatic device.

However, if the thickness of the arm or leg is very thin and the muscle is soft compared to the average adult, such as infants or women, the general pressure value is applied. There was a problem of lifting or necrosis, and if the thickness of the arms and legs is exceptionally thick and the muscles are hard like the average athletes, when the hemostatic pressure is applied to the general pressure level, the hemostasis is insufficient and the bleeding continues.

Patent Publication No. 10-1371427 (2014.03.03), portable wireless hemostatic device.

The present invention was created in order to solve the above-mentioned problems, an object of the present invention is to automatically set or automatically the hemostatic pressure for the compression site according to the blood inflow estimation value for estimating the degree of blood flow into the body part in the direction of hemostasis By adjusting the pressure of the compression site with optimal hemostatic pressure regardless of the thickness of the compression site or the strength or weakness of the muscles according to individual characteristics of the patient, it is possible to prevent side effects such as pain caused by excessive compression or physical damage while performing proper hemostatic action. It is to provide a hemostatic device with an automatic regulation of hemostatic pressure.

Hemostatic device with a hemostatic pressure control function according to the present invention for achieving the above object, in the hemostatic device for bleeding the bleeding site during surgery or emergency treatment, is mounted around the body part close to the bleeding site injection Cuff 110 is inflated by the air is to generate a hemostatic pressure; A pressure sensor 120 for detecting the hemostatic pressure; A pressure pump (130) connected to the cuff (110) and a pneumatic line (L1) to drive according to a control signal and inject air into the cuff (110); It is mounted on one side of the body part in the direction of hemostasis by the cuff 110 hemostatic by the cuff 110, by measuring a measurement value for estimating the degree of blood flow through the compression site, the bleeding site Hemostatic state measurement unit 140 for measuring the hemostatic state for; And a proper hemostatic state measurement value is stored and drives the pressure pump 130 to increase the hemostatic pressure until the current hemostatic state measurement value measured by the hemostatic state measurement unit 140 reaches the proper hemostatic state measurement value. It includes a control unit 150 for controlling.

Here, the hemostatic state measurement unit 140 is disposed on one side of the mounting portion 141 and the body end portion (A) mounted on the body end portion (A) in the direction of the hemostasis by the cuff 110 Light emitting unit 142 for emitting red light passing through the body end portion (A), and the red light transmitted through the other position facing the light emitting portion 142 around the body end portion (A) is sensed And a light receiving unit 143 connected to the control unit 150 and the signal line L2 to transmit the detected red light amount value, and measuring a measured value for estimating the degree of blood flow through the compression site. Measuring the hemostatic state of the bleeding site, using the red light value received from the light receiving unit 143 to calculate the oxygen saturation value of the end portion (A) of the body, the calculated current oxygen saturation value is pre-stored Proper oxygen saturation value (Proper hemostatic state side) The pressure pump 130 may be driven to control the hemostatic pressure gradually until the positive value is reached.

Here, the light emitting unit 142 includes a first light emitting device 144 for emitting a reference light and a second light emitting device 145 for emitting the red light, and the control unit 150 is the body end portion (A). The oxygen saturation value may be calculated by comparing the red light incident on the light receiving unit 143 with the reference light.

In addition, the controller 150 detects an appropriate emission intensity by comparing an incident amount difference between the red light and the reference light while gradually increasing the emission intensity of the light emission unit 142 at the beginning of the hemostatic operation, and detecting the detected appropriate emission intensity. The oxygen saturation value may be calculated in the state in which the first light emitting device 144 and the second light emitting device 145 emit light at an intensity.

In addition, the mounting portion 141 is made of a flexible elastic material is elastically deformable and the end insertion hole 146 is formed on one side and the inside for receiving the body end portion (A) inserted through the end insertion hole 146 The hollow 147 may be formed, and the light emitting portion 142 and the light receiving portion 143 may be spaced apart from each other at positions opposite to each other about the body end portion A inserted in the hollow 147.

In addition, the mounting part 141 may be formed of a thickness capable of blocking the leakage of light emitted from the light emitting part 142 or formed of a light blocking material to form a dark room in the hollow 147.

In addition, the hemostatic state measurement unit 140 is disposed on one side of the body end portion (A) in the direction of the hemostasis by the cuff 110 is an illumination unit 148 for emitting illumination light toward the skin, and the body end portion And a photographing unit 149 disposed on the other side of the distal end portion A of the body facing the illumination unit 148 with respect to (A) and capturing a capillary image (I) projected on the skin by the illumination light. Then, through the image processing of the capillary image (I), by measuring a measurement value for estimating the degree of blood flowing through the compression site, by measuring the hemostatic state for the bleeding site, the control unit 150 Extracts the image change according to the pulsation movement of blood flowing inside the blood vessel by analyzing the capillary image (I) photographed by the photographing unit 149, and the extracted current image change value is appropriately stored in the appropriate image value (titration) Hemostatic Status Measurement ) Is not the blood until it reaches the drive control can be a pressure pump 130 to gradually increase.

On the other hand, the hemostatic state measurement unit 140 is an illumination unit 148 for emitting illumination light toward one side of the body end portion (A) in the direction of hemostasis by the cuff 110 and the side portion of the illumination unit 148 And a capturing unit 149 for capturing capillary image I projected on the skin by the illumination light. The controller 150 controls capillary image I photographed by the capturing unit 149. Image analysis is performed to extract the image change according to the pulsation movement of blood flowing in the blood vessel, and the hemostatic pressure is gradually increased until the extracted current image change value reaches a pre-stored appropriate image value (preliminary hemostatic state measurement value). Drive control of the pressure pump 130 to increase.

In addition, the hemostatic state measurement unit 140 measures the measured value for estimating the degree of blood flow through the compression site through the processing of the ultrasound image obtained from the ultrasound imaging unit, hemostatic state for the bleeding site The controller 150 extracts the image change according to the pulsation movement of the blood flowing inside the blood vessel by analyzing the capillary image obtained from the ultrasound imaging unit, and the extracted current image change value is previously stored. The pressure pump 130 may be drive controlled to gradually increase the hemostatic pressure until an image value (a proper hemostatic state measurement value) is reached.

According to the hemostatic device with a hemostatic pressure control function according to the present invention,

First, hemostasis for the bleeding region according to the blood inflow estimation value for estimating the degree of blood flow through the compression region through the hemostatic state measurement unit 140 mounted on one side of the body part in the direction of hemostasis by the cuff 110 The state is measured and automatically set or automatically adjusted so that the hemostatic pressure increases until the current hemostatic state measurement value measured by the hemostatic state measurement unit 140 reaches a pre-stored appropriate hemostatic state measurement value. Regardless of the thickness of the compression site or the strength and strength of the muscles, the pressure is applied to the optimal hemostatic pressure to prevent the side effects such as pain caused by excessive compression or physical damage while performing proper hemostatic action.

Second, in order to measure the hemostatic state of the bleeding region on the basis of a value for estimating the degree of blood flow through the compression site, the body in the direction of the hemostatic state of the hemostatic state measurement unit 140 by the cuff 110 The mounting portion 141 mounted to the distal end portion (A), the light emitting portion 142 for emitting red light at one side of the distal end portion (A), and the amount of red light transmitted from the other end of the distal end portion (A) Comprising the light receiving unit 143 to detect the oxygen saturation value for the end portion (A) of the body, and according to the calculated current oxygen saturation value by automatically setting or automatically adjusting the hemostatic pressure through the compression site blood bleeding site The degree of inflow can be calculated by quantifying more accurately while reducing side effects.

Third, the light emitting unit 142 includes a first light emitting device 144 that emits reference light and a second light emitting device 145 that emits red light, and passes through the body end portion A to receive the light. Since the oxygen saturation value can be calculated by comparing the red light incident to 143 with the reference light, it is possible to prevent the oxygen saturation value from changing according to the change of the measurement environment, thereby enabling more accurate numerical calculation.

Fourth, in the initial stage of the hemostasis operation, while gradually increasing the light emission intensity of the light emitting unit 142 while comparing the difference in the incident amount between the red light and the reference light to detect the appropriate light emission intensity, the first light emitting device with the detected appropriate light emission intensity By calculating the oxygen saturation value in the state in which the light emitting device 144 and the second light emitting device 145 emit light, the difference in the amount of incidence between the red light and the reference light does not become noticeable according to the skin color or the thickness of the compression site according to the characteristics of each patient Limited saturation value calculation or errors can be prevented.

Fifth, the hemostatic state measurement unit 140 includes a mounting portion 141 mounted to the body end portion (A) of the hemostasis direction by the cuff 110, the mounting portion 141 is made of a flexible elastic material The elastically deformable and the end insertion hole 146 is formed on one side and the hollow 147 for receiving the body end portion (A) inserted through the end insertion hole 146 is formed therein, the mounting portion by the movement of the patient It is possible to effectively block 141 from being inadvertently separated from the body end portion A and from reflecting an error in the oxygen saturation value measured by the movement.

Sixth, the mounting portion 141 is formed of a thickness that can block the leakage of light emitted from the light emitting portion 142 or formed of a light blocking material to form a dark room in the hollow 147, thereby making the mounting portion 141 As the external light flows into the light receiving unit 143 disposed therein, the error may be prevented from occurring in the light quantity value measured by the light receiving unit 143.

Seventh, instead of the oxygen saturation measurement structure of the hemostatic state measurement unit 140, the body end is composed of a lighting unit 148 and the imaging unit 149 disposed up and down facing the body end portion (A) The capillary image (I) projected on the skin by the illumination light irradiated to the area (A) is taken and analyzed to extract the image change according to the pulsation movement of the blood flowing inside the blood vessel. The hemostatic state of the bleeding site can be measured based on a value that estimates the degree of inflow.

Eighth, the capillary image (I) projected by the illumination light can be photographed by arranging the illumination unit 148 and the photographing unit 149 adjacent to one side of the body part, so that the body end portion (A) such as a finger or toe Even in the case of a severed patient, capillary image (I) may be obtained by photographing a body part close to the body end portion (A).

Ninth, the hemostatic state measurement unit 140 measures the measured value for estimating the degree of blood flow through the compression site through the processing of the ultrasound image obtained from the ultrasound imaging unit, to determine the hemostatic state of the bleeding site It is possible to measure and drive control to optimal hemostatic pressure.

1 is a schematic diagram showing a state of bleeding a patient using a hemostatic device with a hemostatic pressure control function according to a preferred embodiment of the present invention,
Figure 2 is a block diagram showing the functional configuration of a hemostatic device equipped with a hemostatic pressure control function according to a preferred embodiment of the present invention,
Figure 3 is a side cross-sectional view showing a configuration in which the hemostatic state measurement unit fixedly mounted on the distal end of the body according to an embodiment of the present invention,
Figure 4 is a schematic diagram for explaining the operation principle of measuring the oxygen saturation level using a hemostatic state measurement unit according to a preferred embodiment of the present invention,
Figure 5 is a schematic diagram for explaining the operation principle of capillary image capturing by using the hemostatic state measuring unit according to a preferred embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hemostatic device 100 with an automatic regulation of hemostatic pressure in accordance with a preferred embodiment of the present invention is the patient's hemostatic pressure is automatically set or automatically adjusted according to the degree of blood flow into the body part in the direction of hemostasis A hemostatic device which is operated to press the compression site to the optimal hemostatic pressure regardless of the thickness of the compression site or the strength or weakness of the muscle according to individual characteristics, as shown in FIGS. 1 and 2, the cuff 110 and the pressure sensor 120. ), The pressure pump 130, the hemostatic state measuring unit 140 and the control unit 150.

First, the cuff 110 is a pressurizing means for generating a hemostatic pressure necessary for hemostasis of a bleeding site during surgery or first aid. The cuff 110 is inflated by air injected around a body part close to the bleeding site and generates a hemostatic pressure. Let's do it.

Here, the cuff 110 has the appearance of a band having a certain length so as to wrap around the body parts such as arms or legs, and at the end, such as a velcro or snap button for adjusting the size of the circumference and fixing the adjusted state Fixing means may be provided. In addition, an air bag (not shown) is disposed inside the cuff 110 along a circumference, and the air bag is connected to the pressure pump 130 and the pneumatic line (L1) to expand the inner circumference while injecting air. Hemostatic pressure is reduced to increase the pressure on the body located inside, and when the injected air is recovered, the inner circumference increases as the contracted motion decreases the hemostatic pressure.

The pressure sensor 120 is a sensor that detects the degree to which the cuff 110 presses the compression part of the body, that is, the hemostatic pressure, which is mounted on the cuff 110 to detect the hemostatic pressure applied directly to the body or described later. The hemostatic pressure may be indirectly detected by measuring the air pressure provided on the main body 160 or the pneumatic line L1 and supplied to the airbag of the cuff 110. The sensed pressure detection value is transmitted to the control unit 150 through a separate signal line connected to the control unit 150 and used as basic data necessary for adjusting the air injection amount.

The pressure pump 130 is disposed in the main body 160 to inject air necessary for the cuff 110 to expand. The pressure pump 130 is connected to the cuff 110 and the pneumatic line L1 to control the controller 150. Air is injected into the cuff 110 while pumping driving according to the signal.

In addition, although not shown, a pressure tank for temporarily storing air discharged from the pressure pump 130 is provided inside the main body 160. The pneumatic line L1 between the pressure tank and the cuff 110 is cuff 110. It includes an injection pipe (L1a) is supplied air to the side) and the recovery pipe (L1b) is the air injected into the cuff 110 is recovered to the pressure tank.

In addition, the injection pipe (L1a) and the recovery pipe (L1b) is provided with a solenoid valve (not shown) that opens and closes according to the control signal of the controller 150, the supply amount of air injected into the cuff 110 and the timing to be supplied And, the recovery amount and the recovery timing of the air recovered to the pressure tank can be adjusted.

The hemostatic state measurement unit 140 is a value for estimating the degree of blood flow through the compression site of the body by the cuff 110, that is, a means for measuring a value for estimating the hemostatic state for the bleeding site, The cuff 110 is mounted on one side of the body part in the hemostatic direction to measure the hemostatic state of the bleeding site, and the measured hemostatic state measurement value is transmitted to the controller 150 as reference data for adjusting the hemostatic pressure. Is used.

The control unit 150 is a control means for automatically setting or automatically adjusting the hemostatic pressure optimized for the patient by using the sensed data of the hemostatic state measuring unit 140 and the sensed data of the pressure sensor 120. A value is stored and the pressure pump 130 is controlled to drive the hemostatic pressure until the current hemostatic state measurement value measured by the hemostatic state measurement unit 140 reaches the appropriate hemostatic state measurement value.

Here, as shown in Figure 3, the hemostatic state measurement unit 140, the mounting portion 141 is mounted to the body end portion (A) of the hemostasis direction by the cuff 110, and the body end portion A light emitting portion 142 disposed on one side of (A) and emitting red light passing through the body distal portion A, and in another position facing the light emitting portion 142 around the body distal portion A; The oxygen saturation measuring device may be configured to include a light receiving unit 143 disposed to sense the amount of transmitted red light and connected to the control unit 150 and the signal line L2 to transmit the detected red light value.

Here, the body end portion (A) may vary depending on the bleeding region. For example, when the bleeding occurs in the arm, the body end portion (A) is emitted from the light emitting unit 142 such as a finger or the hand as shown in FIG. It is the part of the body that is thick enough to transmit light, and if it is bleeding on the leg, it can be a toe or foot.

In general, the hemoglobin contained in the red blood cells of the blood transported inside the capillaries is bright red. As described above, when the red light of the light emitting unit 142 is directed toward the capillaries, the light receiving unit 143 passes through the capillaries according to the amount of hemoglobin. The amount of red light detected in the) is changed, and the amount of blood transferred to the bleeding site through the compression site where the cuff 110 is pressed by the change of the red light value, that is, the hemostatic state of the bleeding site can be measured.

Therefore, the controller 150 calculates the oxygen saturation value of the body end portion A using the red light amount value received from the light receiving unit 143, and the appropriate oxygen saturation value in which the calculated current oxygen saturation value is stored in advance. The pressure pump 130 is driven to control the hemostatic pressure gradually until the value (a proper hemostatic state measurement value) is reached.

For example, when the proper hemostatic state measurement value is 70% oxygen saturation degree, if the current measured oxygen saturation value measured by the controller 150 is 65%, the hemostatic pressure gradually increases until 70% oxygen saturation level is detected. More air is injected into the cuff 110 by driving the pressure pump 130. When the current oxygen saturation value reaches 70%, the air pump is stopped to stop driving the pressure pump 130. Control not to inject. It is desirable to have a certain waiting time after gradually increasing the hemostatic pressure step by step because it takes a certain time to reduce the oxygen saturation value by reflecting the hemostatic action by the increased hemostatic pressure.

As such, by automatically setting or automatically adjusting the hemostatic pressure according to the calculated current oxygen saturation value, the degree of blood flowing through the compression site into the bleeding site can be more accurately numerically calculated.

In addition, as illustrated in FIG. 4, the light emitting unit 142 includes a first light emitting device 144 that emits reference light and a second light emitting device 145 that emits red light, and the controller 150 includes By calculating the oxygen saturation value by comparing the red light incident on the light receiving part 143 and the reference light by passing through the body end portion A, the oxygen saturation value can be prevented from changing according to the change in the measurement environment. The calculation is possible.

On the other hand, in detecting the amount of light using the first light emitting device 144 and the second light emitting device 145 of the light emitting unit 142, the skin color of the patient is white than the general level or too thick of the body end portion (A) Is thin, the difference in transmittance between the reference light of the first light emitting device 144 and the red light of the second light emitting device 145 may not be large, and conversely, when the skin color of the patient is black or the thickness of the body end portion A is too thick. Since the amount of light transmitted is small, a difference in the amount of transmission between the reference light and the red light is not large, and thus the calculation of the oxygen saturation value may be limited.

Accordingly, the hemostatic device 100 according to the preferred embodiment of the present invention detects an appropriate emission intensity by comparing an incident amount difference between the red light and the reference light while gradually increasing the emission intensity of the light emitting unit 142 at the beginning of the hemostasis operation. The oxygen saturation value is calculated in the state in which the first light emitting device 144 and the second light emitting device 145 emit light at the detected appropriate light emission intensity, and according to the skin color or the thickness of the compression site according to the characteristics of the individual patient. The difference in the incident amount between the red light and the reference light is not so noticeable that the calculation of the oxygen saturation value is limited or an error can be prevented.

For example, when the hemostatic operation is started, the controller 150 measures the amount of light between the reference light and the red light while gradually increasing the light emission intensity of each light emitting device of the light emitting unit 142 from the set minimum value to the maximum value, and records the measured light quantity data. By setting the light emission intensity of the maximum difference between the reference light and the red light as the effective light emission intensity for the patient to control the light emitting unit 142 to drive the light emission at the determined effective light emission intensity.

On the other hand, when the mounting portion 141 mounted to the distal end portion (A) is in the form of tongs is easy to mount and detach, but unintentionally separated or mounted by the movement of the patient may be distorted. Thus, the mounting portion 141 according to the preferred embodiment of the present invention is preferably made of a structure capable of fixing the state firmly mounted to the movement of the patient.

To this end, as shown in Figure 3, the mounting portion 141 is made of a flexible elastic material is elastically deformable, the end insertion hole 146 is formed on one side and the body inserted through the end insertion hole 146 inside A hollow 147 is formed to receive the distal end A. FIG. Here, the light emitting part 142 and the light receiving part 143 are spaced apart from each other at a position opposite to each other about the body end portion A inserted in the hollow 147.

Accordingly, when the body end portion (A) of the patient is pushed into the distal insertion hole (146), the mounting portion 141 is increased by the pressure to be inserted so that the body end portion (A) can be easily inserted to the hollow 147, When the insertion is completed up to the end of the hollow 147, the mounting portion 141 may be tightly fixed to the circumference of the body end portion (A) by elasticity.

In addition, at the time of separation, the mounting portion 141 can be easily separated from the body end portion A by pulling the portion of the end insertion hole 146 in the direction of the end portion of the body end portion A. The mounting and dismounting structure using the elastic deformation effectively blocks the mounting portion 141 from being unintentionally separated from the distal end portion A by the movement of the patient and the reflection of the error in the oxygen saturation value measured by the movement. Can be.

At this time, the mounting portion 141 is made of a thickness that can block the leakage of light emitted from the light emitting portion 142 or formed of a light blocking material to form a dark room in the hollow 147, thereby making the mounting portion 141 As the external light flows into the light receiving unit 143 disposed therein, the error may be prevented from occurring in the light quantity value measured by the light receiving unit 143.

On the other hand, hemostatic state measurement unit 140 according to a preferred embodiment of the present invention in addition to the method of indirectly confirming the state of hemostasis by measuring the oxygen saturation described above capturing capillaries to change the movement of the capillaries according to the flow of blood flow You can also check the status.

To this end, as shown in (a) of FIG. 5, the hemostatic state measuring unit 140 is disposed at one side of the body distal end portion A in the hemostatic direction by the cuff 110 to provide illumination light toward the skin. A capillary image projected on the skin by the illumination light and disposed on the other side of the illuminating part 148 that emits and the body distal end A facing the illuminating part 148 about the body distal end A; I) may include a photographing unit 149 for photographing.

In addition, the controller 150 extracts the image change according to the pulsation movement of blood flowing inside the blood vessel by analyzing the capillary image (I) taken by the photographing unit 149, the extracted current image change value is The pressure pump 130 is controlled to drive the hemostatic pressure gradually until the previously stored proper image value (a proper hemostatic state measurement value) is reached.

Here, in general, when the blood flows to the capillaries in the blood pressure according to the heartbeat and the blood flows out of the heart occurs in the blood flow, as shown in (c) of FIG. The bulging movements are temporarily bulged, and the pulsating movements are analyzed by the controller 150 to calculate the image change value and when the hemostasis is appropriate, the image change pattern and the hemostasis when the hemostasis is not performed properly. Basic data on the image change pattern is stored in advance, and the appropriate hemostatic state can be determined using the current image conversion value. That is, by extracting the image change according to the pulsation movement of the blood flowing inside the blood vessel can measure the hemostatic state of the bleeding region on the basis of a value that estimates the degree of blood flow through the compression region.

Here, in the case of a patient whose body end portion A is cut, such as a finger or a toe, it may be limited to apply a method of photographing capillaries using illumination light passing through the body end portion A. FIG. As shown in (b) of FIG. 5, the lighting unit 148 emits illumination light toward one side of the body part in the direction of the hemostasis by the cuff 110 and the hemostatic state measuring unit 140. The unit 149 may be disposed adjacent to the side of the lighting unit 148 to capture the capillary image I projected onto the skin by the illumination light.

As such, since the illumination unit 148 and the imaging unit 149 are disposed adjacent to each other at one side of the body part, the capillary image I projected by the illumination light can be photographed, so that the body end part A such as a finger or a toe is captured. In the case where the patient is cut), the capillary image (I) may be obtained by photographing a body part close to the body end portion (A).

By the configuration and function of the hemostatic device 100 according to the preferred embodiment of the present invention as described above, through the hemostatic state measurement unit 140 mounted on one side of the body part in the direction of hemostasis by the cuff 110 The hemostatic state of the bleeding site is measured based on a value for estimating the degree of blood flow through the compression site, and the current hemostatic state measurement value measured by the hemostatic state measuring unit 140 is previously stored to measure a proper hemostatic state. It is automatically set or automatically adjusted to increase the hemostatic pressure until the value is reached, thereby performing the appropriate hemostatic action by pressing the compression site with the optimal hemostatic pressure regardless of the thickness of the compression site or the strength or muscle strength of the patient. However, it can prevent side effects such as pain caused by excessive pressure or physical damage.

In the present invention, the hemostatic state measuring unit 140 measures a measurement value for estimating the degree of blood flow through the compression site using the oxygen saturation degree or capillary image obtained by the camera, but the other hemostatic degree It is a value that can estimate the degree of hemostasis indirectly without direct measurement.It is the degree of blood inflow through the compression site by processing the acquired blood vessel image by ultrasound in addition to oxygen saturation or capillary image acquired by camera. It is also possible to measure the hemostatic state of the bleeding site by measuring the blood inflow estimation value.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the equivalent scope of the claims to be described.

100 ... Hemostatic device 110 ... Cuff
120 Pressure sensor 130 Pressure pump
140 Hemostatic measuring unit 141 Mounting unit
142 ... emitter 143 ... emitter
144 ... first light emitting element 145 ... second light emitting element
146 Terminal end 147 Hollow
... 148 Lighting ... 149 Shooting Department
150 ... control unit

Claims (8)

In the hemostatic device for hemostatic bleeding site,
A cuff 110 mounted around the body part in close proximity to the bleeding part and inflated by the injected air to generate hemostatic pressure;
A pressure sensor 120 for detecting the hemostatic pressure;
A pressure pump (130) connected to the cuff (110) and a pneumatic line (L1) to drive according to a control signal and inject air into the cuff (110);
The cuff 110 is mounted on one side of the body part in the direction of hemostasis, and measures a measurement value for estimating the degree of inflow of blood through the compression site, and measures the state of hemostasis for the bleeding site. Unit 140; And
Appropriate hemostatic state measurement value is stored and drive control of the pressure pump 130 to increase the hemostatic pressure until the current hemostatic state measurement value measured by the hemostatic state measurement unit 140 reaches the appropriate hemostatic state measurement value It includes; the control unit 150,
The hemostatic state measurement unit 140 is disposed on one side of the body end portion (A) in the direction of the hemostasis by the cuff 110 is an illumination unit 148 for emitting illumination light toward the skin, and the body end portion (A) Including a photographing unit 149 disposed on the other side of the distal end portion (A) of the body facing the illumination unit 148 centering on) and capturing the capillary image (I) projected on the skin by the illumination light, Through the image processing of the capillary image (I), by measuring a measurement value for estimating the degree of blood flowing through the compression site, to measure the hemostatic state for the bleeding site,
The controller 150 extracts the image change according to the pulsation movement of blood flowing inside the blood vessel by analyzing the capillary image (I) taken by the photographing unit 149, and the extracted current image change value is stored in advance. Hemostatic device, characterized in that the drive control of the pressure pump 130 so that the hemostatic pressure gradually increases until a proper image value (titrated hemostatic state measurement value) is reached.
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