CN217338583U - Noninvasive hemoglobin detection device - Google Patents

Abstract

The utility model relates to a there is not hemoglobin detection device of wound, include: the acquisition component is used for transmitting light sources with different wavelengths, acquiring data of the reflected light sources and transmitting the acquired data to the analysis control component; the wearing component is used for enabling the noninvasive hemoglobin detecting device to be arranged at the neck of a patient in a surrounding mode and to be attached to the skin of the neck of the patient; characterized in that the wearing component is provided with a plurality of hollow areas which can assemble the collecting component in the form of cambered surfaces. The sphere-like cambered surface structure increases the receiving area of the reflection collecting piece for the reflection radiation, avoids the condition that the received reflection radiation wavelength data has errors due to the fact that excessive reflection radiation is not collected in the collecting process, and enables the reflectance spectrum model to be more accurate.

Description

Noninvasive hemoglobin detection device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a there is not hemoglobin detection device of wound.

Background

Erythrocytes in the human body, which are capable of delivering oxygen throughout the body, function primarily as Hemoglobin (Hemoglobin) in erythrocytes; hemoglobin, as a protein for transporting oxygen in erythrocytes, can better reflect the blood circulation state, and has important significance on the life activities of human bodies.

Hemoglobin (Hb) determination is a routine examination item for hospital examinations and is used clinically to identify the type of anemia. Traditional hemoglobin detection is realized through the means of blood examination usually, adopts and has the invasive method to detect the position blood sampling chemical examination, and accurate measurement can be realized to this kind of method, but can bring the pain for the patient, increases the patient probability of infecting, and the detection cost that has the invasive method simultaneously is higher, and it is longer to consume time, has the drawback of unable real-time supervision.

In the prior art, as proposed in patent document CN109222992B, a method for non-invasive measurement of hemoglobin concentration based on the optical reflection principle includes: arranging a light source and a photoelectric detector; determining a relationship between absorbance and concentration of oxygenated hemoglobin and concentration of reduced hemoglobin in deep tissue; the light source emits near-infrared incident light with the wavelength of lambda 1 and lambda 2, and the first photoelectric detector and the third photoelectric detector respectively acquire the absorbance after the light is reflected by human skin tissues; the light source emits near-infrared incident light with the wavelength of lambda 1 and lambda 2, and the second photoelectric detector and the fourth photoelectric detector respectively acquire the absorbance after the light is reflected by the skin tissue of the human body; introducing correction coefficients omega 1 and omega 2 to respectively obtain the concentration of oxygenated hemoglobin and the concentration of reduced hemoglobin in deep tissues; adding the concentrations of the two to obtain the concentration of hemoglobin in deep tissues.

Methods and systems for calculating tissue oxygenation and oxygen saturation in target tissue are disclosed in the prior art, for example, in patent publication No. CN 101489482B. In some embodiments, the method comprises: directing incident radiation toward a target tissue and determining a reflectance spectrum of the target tissue by measuring reflected radiation intensities of the target tissue at a plurality of radiation wavelengths; correcting the measured intensity of the reflectance spectrum to reduce the contribution to the reflectance spectrum by the skin and fat layers through which the incident radiation propagates; determining oxygen saturation in the target tissue based on the corrected reflectance spectrum; and outputting the determined value of oxygen saturation.

In the prior art, a noninvasive living body measuring instrument which is easy to be worn is proposed in patent document No. CN 101765403B. The noninvasive living body detector is composed of an instrument main body and a wrist strap. The instrument main body is composed of a main body component and a main body fixing component. The main body part is fixed on the wrist strap by the main body fixing component. The wrist band is worn near the wrist of the forearm of a person to attach the apparatus body to the person. The camera is fixed at a position protruding outward beyond the wide band of the wrist band, whereby the camera is arranged at a position where it can photograph when the wrist band is worn on the arm of a person. The device is assembled on the hand of a patient, the movement of the hand is influenced, and meanwhile, the open design of the light-emitting contact is easily influenced by an external light source.

Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the inventor studied a lot of documents and patents when making the present invention, but the space did not list all details and contents in detail, however, this is by no means the present invention does not possess these prior art features, but on the contrary the present invention has possessed all features of the prior art, and the applicant reserves the right to increase the related prior art in the background art.

SUMMERY OF THE UTILITY MODEL

Aiming at the problem that the invasive collection method provided by the prior art collects the patient for many times, so that the condition of blood transfusion by mistake is easily caused; the detection position of the non-invasive collection method is the hand of a patient, the hand movement of the patient is easily limited, and the like.

A non-invasive hemoglobin detection apparatus comprising: the acquisition component is used for transmitting light sources with different wavelengths, acquiring reflected light source data and transmitting the acquired reflected light source data to the analysis control component; and the wearing assembly is used for enabling the noninvasive hemoglobin detecting device to be arranged at the neck of the patient in a surrounding mode and be attached to the skin of the neck of the patient.

Preferably, the wearing component is provided with a plurality of hollow areas which can assemble the collecting component in the form of cambered surfaces; the acquisition assembly is provided with a plurality of light source radiation pieces capable of sending different wavelengths to the detection area on the body surface of the patient; gather the subassembly and dispose a plurality of reflection that can gather to patient's body surface detection area reflection wavelength and collect the piece.

According to a preferred embodiment, the wearing assembly is provided with a ring belt body having at least one section composed of a multi-layer composite structure, wherein at least one layer of the ring belt body is configured to reserve a plurality of receiving layers having hollow areas in which the light source radiation member and the reflection collecting member can be placed.

According to a preferred embodiment, the hollow area of the receiving layer is configured as a curved surface with an inner diameter that has a decreasing radial dimension in the direction of the receiving layer that points away from the patient skin contact surface.

According to a preferred embodiment, the light source radiation member and the reflection collection member are attached to the inside of the hollow area of the accommodating layer in a uniform or non-uniform manner so as to form an arc-like surface structure matched with the hollow area.

According to a preferred embodiment, one side of the annular belt body close to the skin contact surface of the patient is provided with at least one partition layer capable of isolating a plurality of hollow areas of the containing layer from each other into independent collecting areas, wherein the partition layer is configured to reserve a structure with holes capable of being matched with the hollow areas of the containing layer.

According to a preferred embodiment, at least one light shielding layer capable of preventing the external light source from directly emitting into the reserved hollow area of the accommodating layer and being collected by the reflection collecting piece is arranged on one side of the annular belt body, which is far away from the skin contact surface of the patient.

According to a preferred embodiment, at least one indicating light band capable of emitting different colors is connected to the side of the wearing component, which is far away from the skin contact surface of the patient, along the parallel direction of the geometric surface path of the girdle main body, wherein the indicating light band is a soft structure capable of changing the shape of the indicating light band according to the maintained shape of the girdle main body so as to enable the shape to be matched with the shape of the girdle main body.

According to a preferred embodiment, the cuff body is provided with a stretch zone capable of adjusting the stretch length.

According to a preferred embodiment, the end of the collecting region facing away from the analytical control assembly is connected to the latching device by means of a stretching region.

According to a preferred embodiment, the cuff body is provided with a skin-friendly layer on the side thereof adjacent the skin engaging surface of the patient.

The utility model has the advantages of:

1. the utility model discloses to gather the class spherical cambered surface structure that the subassembly configuration is constituteed by the polylith face, through the class spherical cambered surface structure that a plurality of light source radiation spare and reflection collection piece are constituteed, the reflection collection piece can use the class spherical cambered surface geometry centre of a circle as the centre of a circle, absorbs the multi-direction reflection radiation that patient's body surface detection zone produced.

The sphere-like cambered surface structure increases the receiving area of the reflection collecting piece for the reflection radiation, avoids the condition that the received reflection radiation wavelength data has errors due to the fact that excessive reflection radiation is not collected in the collecting process, and further enables the reflectance spectrum model to be more accurate.

2. The utility model discloses dispose the instruction light band, when the analysis and control subassembly judged that the patient bleeds through hemoglobin concentration numerical value, the instruction light band can send visible light to reach the purpose of reminding medical staff to carry out the processing.

3. The utility model discloses an optics reflective principle is measured hemoglobin concentration for collection portion is not limited to the patient and indicates, does not disturb the patient and carries out daily activity.

Drawings

Fig. 1 is a simplified overall structure diagram of a non-invasive hemoglobin detection apparatus of the present invention;

fig. 2 is a simplified overall structure diagram of a wearing assembly of the non-invasive hemoglobin detection apparatus of the present invention.

List of reference numerals

1: a collection assembly; 110: a light source radiation member; 120: a reflective collection member; 2: an analysis control component; 210: a display; 3: a wearable component; 310: a cuff main body; 311: an accommodating layer; 312: a partition layer; 313: a light-shielding layer; 320: an indicator band; 330: a collection zone; 340: a stretching zone; 350: a locking member.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 shows a non-invasive hemoglobin detection apparatus comprising: the acquisition component 1 is used for transmitting light sources with different wavelengths and acquiring and transmitting reflected light source data to the analysis control component 2; the analysis control component 2 is used for analyzing the data information acquired by the acquisition component 1 to obtain hemoglobin detection data and displaying the hemoglobin detection data; the wearing component 3 is used for integrating the analysis control component and the acquisition component into a whole so that the noninvasive hemoglobin detecting device can be arranged at the neck of a patient in a surrounding mode and is attached to the skin of the neck of the patient.

According to a preferred embodiment, the wearing unit 3 is provided with a plurality of hollow areas in which said acquisition unit 1 can be fitted in the form of a curved surface, wherein the acquisition unit 1 is provided with a plurality of light source radiation elements 110 capable of emitting light of different wavelengths towards a detection area on the surface of the body of the patient. Preferably, the collection assembly 1 is further configured with a plurality of reflection collectors 120 capable of collecting the reflection wavelengths from the detection area on the body surface of the patient.

Preferably, the wearing unit 3 is provided with a band body 310 having at least one section composed of a multi-layered composite structure.

According to a preferred embodiment, the annular band body 310 is configured with at least one collection area 330 for connecting the light source radiation member 110 to the reflective collection member 120. According to a preferred embodiment, the section where the acquisition zone 330 is located is configured as a multilayer composite structure.

Preferably, the collection region 330 is configured to be able to contact the surface skin of the patient's neck proximate to the arterial segment when the non-invasive hemoglobin detection apparatus is worn by the patient. Through the contact of collection district 330 and patient's neck both sides, the light that light source radiation piece 110 sent can be received by patient's body surface detection district, and then takes place reflection phenomenon.

Preferably, the acquisition zone 330 is connected to the analytical control assembly 2 by means of several elastic stretch zones 340; preferably, the end of the collection area 330 facing away from the analytical control assembly 2 is connected to the catch member 350 via a stretching area 340. According to a preferred embodiment, the stretch zone 340 may be constructed using elastic bands or the like.

Preferably, the locking members 350 at the two ends of the cuff body 310 are cooperatively connected to each other such that the analysis control assembly 2, the collection area 330 and the stretching area 340 are connected to each other in a ring-shaped structure capable of being worn around the neck of the patient. According to a preferred embodiment, the locking member 350 can be detachably connected by using a hook and loop fastener or a male and female snap fastener or a zipper.

Preferably, the wearing assembly 3 adjusts the stretching length of the stretching region 340 to enable the noninvasive hemoglobin detecting device to be attached to the neck circumference of different patients, and adjusts the collecting region 330 to be attached to the detecting region on the body surface of the patient. The setting of tensile district 340 is favorable to medical staff to wear to the patient, makes noninvasive hemoglobin detection device can have bigger application scope.

As shown in fig. 2, the cuff body 310 is configured as a multi-layered composite structure composed of several layers by stacking. According to a preferred embodiment, at least one layer of the annular belt body 310 is configured to reserve a plurality of accommodating layers 311 capable of placing hollow areas of the light source radiation member 110 and the reflection collecting member 120 therein.

Preferably, the inner diameter of the hollow area of the accommodating layer 311 decreases in a radial direction from the patient skin contact surface of the accommodating layer 311 toward the patient skin contact surface, and forms an arc structure similar to a spherical arc. According to a preferred embodiment, the light source radiation member 110 and the reflection collecting member 120 are attached to the inside of the hollow region of the receiving layer 311 in a uniform or non-uniform manner. According to a preferred embodiment, the collection assembly 1 is formed as a spheroidal surface structure consisting of a plurality of surfaces by the interconnection of the light source radiation member 110 and the reflection collection member 120 within the hollow region of the housing layer 311.

Preferably, the collecting component 1 in the form of a spherical arc surface is disposed in the detection area on the body surface of the patient, and transmits the incident radiation to the target tissue through the light source radiation member 110, and after the incident radiation is reflected by the target tissue in the detection area on the body surface of the patient, the reflected radiation is collected by the reflection collecting member 120.

Preferably, the reflection collecting element 120 can absorb multi-directional reflection radiation generated by the detection area on the body surface of the patient by using the geometric center of the quasi-spherical arc surface as the center of the circle through the quasi-spherical arc surface structure formed by the plurality of light source radiation elements 110 and the reflection collecting element 120. Preferably, the sphere-like arc surface structure increases the receiving area of the reflection collecting element 120 for the reflection radiation, thereby avoiding the situation that the received reflection radiation wavelength data has errors due to the fact that excessive reflection radiation is not collected in the collection process, and optimizing the accuracy of the reflection spectrum model.

Preferably, the side of the cuff body 310 adjacent to the skin-contacting surface of the patient is provided with at least one partition layer 312 capable of isolating the hollow regions of the containment layer 311 from each other as separate acquisition regions. According to a preferred embodiment, the partition layer 312 is configured to reserve a hole capable of matching with the hollow area of the receiving layer 311.

Preferably, the partition layer 312 separates the hollow areas of the accommodating layer 311, and the reflection collecting element 120 can collect only the reflection radiation in the hollow area where the current reflection collecting element 120 is located, so as to avoid the mutual interference of the reflection radiation of a plurality of hollow areas and the occurrence of data errors. According to a preferred embodiment, the hollow regions of the plurality of receiving layers 311 can use incident radiation with different wavelengths, so that the analysis control component 2 can obtain more reflectance spectrum models, and is beneficial to the noninvasive hemoglobin detection device to analyze and calculate the hemoglobin concentration.

Preferably, at least one light shielding layer 313 capable of preventing external light sources from directly entering the reserved hollow area of the accommodating layer 311 and being collected by the reflection collecting member 120 is arranged on the side of the annular belt body 310, which is away from the skin contact surface of the patient. According to a preferred embodiment, the light shielding layer 313 blocks the reflection collecting element 120 from the external light source, so that the reflection collecting element 120 collects the reflection wavelength only in the collection sub-block of the collection area 330 as much as possible, thereby further improving the accuracy of the collected reflection wavelength data and avoiding the occurrence of error increase caused by the interference of the external light source on the collection component 1. In a preferred embodiment, the light-shielding layer 313 may be made of light-shielding cloth.

Preferably, the circumferential band main body 310 is provided with a skin-friendly layer on the side close to the skin contact surface of the patient for reducing the discomfort when the patient wears the circumferential band main body. According to a preferred embodiment, the skin-friendly layer is made of a flexible skin-friendly material such as skin-friendly cotton.

Preferably, the side of the pendant assembly 3 facing away from the patient's skin contacting surface has indicator bands 320 of different colors attached along the parallel direction of the geometric surface path of the cuff body 310. According to a preferred embodiment, the indicator tape 320 is a soft material that can change its shape according to the maintained shape of the cuff main body 310 and fit to the shape of the cuff main body 310. According to a preferred embodiment, the indicator tape 320 may be implemented by a Flexible Printed Circuit (FPC) -based LED lighting device.

Preferably, when the analysis control component 2 determines that the patient bleeds according to the hemoglobin concentration value, the indicator light band 320 displays red light to achieve the purpose of reminding medical staff to perform treatment.

Preferably, the analysis and control component 2 compares the wavelength of the incident radiation transmitted by the light source radiation element 110 with the wavelength of the reflected radiation received by the reflection collecting element 120 to establish a reflection spectrum model.

Preferably, the analytical control module 2 is capable of obtaining a plurality of sets of reflectance spectrum models by varying the wavelength of the incident radiation transmitted by the source radiation element 110. Preferably, the analysis control module 2 performs a comparison correction on the plurality of sets of reflectance spectrum models to determine a value of hemoglobin concentration in the target tissue. The utility model discloses can adopt the hemoglobin concentration noninvasive measurement method based on optical reflection formula principle as provided in patent document CN101489482B and/or patent document CN109222992B to confirm hemoglobin concentration numerical value.

Preferably, the analysis control module 2 is configured with at least one display 210 through circuit connection, and the analysis control module 2 can transmit and display the hemoglobin concentration value on the display 210.

It should be noted that the present invention is not intended to improve upon the computing programs or methods. The module and the calculation model adopted by the analysis control assembly 2 of the utility model are the prior art, for example, the analyzer composed of the wave shape extracting component, the quantifying component, the brightness control component and the calculating device adopted in the non-invasive biological detector and the non-invasive biological detection method with the publication number of CN101765403B can be regarded as the same function device with the analysis control assembly 2 used in the experimental model; for example, the method for non-invasive measurement of hemoglobin concentration based on the optical reflection principle disclosed in publication No. CN109222992B and/or the method for measuring tissue oxygenation degree disclosed in publication No. CN101489482B can be regarded as the same solution as the calculation model of the present invention.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents. Throughout this document, the features referred to as "preferably" are only an optional feature and should not be understood as necessarily requiring that such applicant reserves the right to disclaim or delete the associated preferred feature at any time.

Claims (10)

1. A non-invasive hemoglobin detection apparatus comprising:

the acquisition assembly (1) is used for emitting light sources with different wavelengths, acquiring data of the reflected light sources and transmitting the acquired data to the analysis control assembly (2);

a wearing component (3) which is used for enabling the noninvasive hemoglobin detecting device to be arranged at the neck of a patient in a surrounding way to be attached to the skin of the neck of the patient;

it is characterized in that the preparation method is characterized in that,

the wearing component (3) is provided with a plurality of hollow areas which can assemble the collecting component (1) in an arc surface form;

the acquisition assembly (1) is provided with a plurality of light source radiation pieces (110) capable of sending different wavelengths to a detection area on the body surface of a patient;

gather subassembly (1) and be configured with a plurality of reflection collection pieces (120) that can gather patient's body surface detection district reflection wavelength.

2. The non-invasive hemoglobin detection apparatus according to claim 1, wherein the wearable module (3) is provided with a cuff body (310) having at least one section composed of a multi-layered composite structure,

wherein the content of the first and second substances,

at least one layer of the annular belt body (310) is configured to reserve a plurality of accommodating layers (311) capable of placing a plurality of hollow areas in which the light source radiation piece (110) and the reflection collecting piece (120) can be placed.

3. The non-invasive hemoglobin detection apparatus as claimed in claim 2, wherein the hollow region of the receiving layer (311) is configured as a cambered surface structure with an inner diameter having a decreasing radial size in a direction in which the receiving layer (311) is closer to the skin contact surface of the patient and points away from the skin contact surface of the patient.

4. The non-invasive hemoglobin detection apparatus as claimed in claim 3, wherein the light source radiation member (110) and the reflection collecting member (120) are attached to the inside of the hollow region of the receiving layer (311) in a uniform or non-uniform manner to form a cambered surface-like structure matching the hollow region.

5. The non-invasive hemoglobin detection apparatus according to claim 4, wherein the cuff body (310) is provided with at least one partition layer (312) for isolating hollow regions of the housing layer (311) from each other to form independent collection regions on a side thereof close to the skin contact surface of the patient,

wherein, the first and the second end of the pipe are connected with each other,

the partition layer (312) is configured to reserve a structure with a hole capable of being matched with the hollow area of the accommodating layer (311).

6. The non-invasive hemoglobin detection apparatus according to claim 5, wherein the side of the cuff body (310) facing away from the skin contact surface of the patient is provided with at least one light shielding layer (313) capable of preventing an external light source from directly entering the reserved hollow area of the housing layer (311) and being collected by the reflection collecting member (120).

7. The non-invasive hemoglobin detection apparatus according to claim 6, wherein at least one indicator light band (320) emitting different colors is connected to the side of the wearing unit (3) away from the skin contact surface of the patient along the path of the geometrical surface of the cuff body (310) in parallel,

wherein the content of the first and second substances,

the indicator light band (320) is a soft structure capable of changing its form according to the maintained form of the cuff main body (310) so as to match the shape to the cuff main body (310).

8. The non-invasive hemoglobin detection apparatus according to claim 7, wherein the cuff body (310) is configured with a stretching region (340) capable of adjusting a stretching length.

9. A non-invasive hemoglobin detection apparatus as claimed in claim 8, wherein the end of the collection region (330) facing away from the analysis control module (2) is connected to the latch member (350) via the stretching region (340).

10. The non-invasive hemoglobin detection apparatus as claimed in claim 9, wherein the cuff body (310) is provided with a skin-friendly layer on a side close to the skin contact surface of the patient.

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