阅读说明：本技术 一种基于超声下瞳孔变化的麻醉深度监测系统及检测方法 (Anesthesia depth monitoring system and detection method based on pupil change under ultrasound ) 是由 王琛 邓岩军 于 2021-07-20 设计创作，主要内容包括：本发明公开了一种基于超声下瞳孔变化的麻醉深度监测系统,包括：超声监测装置,其包括头戴式安装件和两个微型超声探头,两个微型超声探头对称布置在头戴式安装件两侧,微型超声探头贴合面部并通过超声波获取瞳孔超声图像；超声主机,其包括显示器,微型超声探头获取的瞳孔超声图像传输给超声主机,超声主机对瞳孔超声图像进行处理,并通过显示器显示瞳孔图像、瞳孔直径实时变化数值等；遮光贴,其敷贴在眼皮上。本发明还公开了一种基于超声下瞳孔变化的麻醉深度监测系统的检测方法。本发明相较于现有技术,通过让患者佩戴头戴式的超声监测装置,在患者处于麻醉/镇静状态时,超声监测装置的微型探头监测瞳孔变化,实现麻醉深度的实时动态监测。(The invention discloses an anesthesia depth monitoring system based on pupil change under ultrasound, which comprises: the ultrasonic monitoring device comprises a head-mounted mounting piece and two miniature ultrasonic probes, wherein the two miniature ultrasonic probes are symmetrically arranged on two sides of the head-mounted mounting piece, and the miniature ultrasonic probes are attached to the face and acquire pupil ultrasonic images through ultrasonic waves; the ultrasonic host comprises a display, the pupil ultrasonic image acquired by the miniature ultrasonic probe is transmitted to the ultrasonic host, the ultrasonic host processes the pupil ultrasonic image and displays the pupil image, the real-time change numerical value of the pupil diameter and the like through the display; and the shading paste is applied to the eyelid. The invention also discloses a detection method of the anesthesia depth monitoring system based on the pupil change under the ultrasound. Compared with the prior art, the invention realizes real-time dynamic monitoring of the anesthesia depth by enabling the patient to wear the head-wearing type ultrasonic monitoring device, and monitoring the pupil change by the miniature probe of the ultrasonic monitoring device when the patient is in an anesthesia/sedation state.)

1. An anesthesia depth monitoring system based on pupil change under ultrasound, comprising:

the ultrasonic monitoring device comprises a head-mounted part and two miniature ultrasonic probes (1), wherein the two miniature ultrasonic probes (1) are symmetrically arranged on two sides of the head-mounted part, the position of one miniature ultrasonic probe (1) corresponds to one eye, and the miniature ultrasonic probes (1) are attached to the face and acquire pupil ultrasonic images through ultrasonic waves;

the ultrasonic host comprises a display, the pupil ultrasonic image acquired by the miniature ultrasonic probe (1) is transmitted to the ultrasonic host, the ultrasonic host processes the pupil ultrasonic image and displays data information such as a pupil image, a pupil diameter real-time numerical value, a binocular pupil diameter average value, a pupil diameter variation trend graph and the like through the display;

and the shading paste is applied to the eyelid, eliminates the influence of indoor light on the light reflection of the pupil, and positions the ultrasonic monitoring device.

2. The system for monitoring the depth of anesthesia based on pupillary change under ultrasound according to claim 1, characterized in that two said miniature ultrasound probes (1) are respectively placed at the outer side of the eyes or the lower eyelids of the eyes.

3. The system of claim 2, wherein the headset comprises a first headset, a second headset and a mask mount.

4. The anesthesia depth monitoring system based on pupillary change under ultrasound according to claim 3, wherein the first head-mounted mounting member comprises an arc-shaped first elastic headband (2), two miniature ultrasound probes (1) are symmetrically arranged at two ends of the first elastic headband (2), and the two miniature ultrasound probes (1) are respectively arranged at the outer sides of two eyes.

5. The anesthesia depth monitoring system based on pupillary change under ultrasound according to claim 3, characterized in that the second head-mounted part comprises a second elastic headband (3) and a nose bridge (4), the nose bridge (4) is clamped on the nose bridge of the face of the person, the two miniature ultrasound probes (1) are symmetrically arranged on both sides of the nose bridge (4), and the miniature ultrasound probes (1) fit the lower eyelid of the eye.

6. The system for monitoring the depth of anesthesia based on pupillary change under ultrasound according to claim 3, characterized in that said mask mounting member comprises a mask (5) and a strap (6), said mask (5) comprises a first mask body (51) and a second mask body (52), said first mask body (51) is connected with a ventilation pipeline, said second mask body (52) is fitted to the facial contour around the eyes, two said miniature ultrasonic probes (1) are arranged in the mounting grooves of said second mask body (52), said miniature ultrasonic probes (1) are fitted to the lower eyelid of the eyes, and said strap (6) is fixedly mounted on said mask (5).

7. The system for monitoring the depth of anesthesia based on pupillary changes under ultrasound as claimed in claim 1, wherein said light blocking patch is a medical cold eye patch.

8. The system for monitoring the depth of anesthesia based on pupillary change under ultrasound as claimed in claim 1, wherein said ultrasound host further comprises an audible alarm module or a light alarm module.

9. A detection method of an anesthesia depth monitoring system based on pupil change under ultrasound is characterized by comprising the following steps:

1) wearing an ultrasonic monitoring device on a patient, wherein the positions of two miniature ultrasonic probes (1) respectively correspond to a left eye and a right eye, and the miniature ultrasonic probes (1) are adjusted to be attached to the face;

2) applying a shading paste on the eyelid of the patient, wherein the shading paste positions an ultrasonic monitoring device;

3) the miniature ultrasonic probe (1) transmits and receives ultrasonic waves, monitors the left eye and the right eye and acquires pupil ultrasonic images;

4) the pupil ultrasonic image acquired by the miniature ultrasonic probe (1) is transmitted to the ultrasonic host, the ultrasonic host processes the pupil ultrasonic image and displays data information such as the pupil image, a pupil diameter real-time numerical value, a binocular pupil diameter average value and a variation trend graph through a display.

10. The method as claimed in claim 9, wherein in the step 4), the transmission mode of the pupil ultrasound image includes bluetooth, wireless, and wired.

Technical Field

The invention belongs to the technical field of anesthesia depth monitoring, and particularly relates to an anesthesia depth monitoring system and a detection method based on pupil change under ultrasound.

Background

Anesthesia can be described as states of analgesia, unconsciousness, and muscle paralysis induced by specific drugs. Any overdose or under-dose during anesthesia carries an additional risk. Previously anesthesiologists empirically determined the depth of analgesia and used physiological responses to assess inhibition of nociceptive pathways such as exercise, tachycardia, lacrimation or sweating, which occur relatively late, insensitive and imprecise. Post-treatment electroencephalography (EEG) is widely used to monitor drug-induced hypnotic states, however, current monitoring methods are not fully satisfactory for clinical needs, both in terms of analgesia and unconsciousness.

Pupil monitoring is an important index in the traditional anesthesia observation process, and the timed and quantitative monitoring of the pupil can reflect physiological arousal, reflect and evaluate autonomic nervous activity, reflect heart rate change and realize non-contact and non-destructive measurement of heart rate variability; is helpful for the disease judgment of patients with coma, convulsion, shock, poisoning, respiratory failure and circulatory failure, and can judge the intracranial injury part, especially for craniocerebral injury patients.

The pupil change can reflect the anesthesia depth, but the existing pupil diameter measurement mode comprises manual measurement of a doctor, an infrared pupil measurement instrument or a handheld ultrasonic pupil measurement instrument, a patient needs to cooperate with the doctor to do a certain posture, the measurement requirement is high, the pupil reaction cannot be quantitatively measured, and the accuracy of observing the pupil cannot be ensured.

Disclosure of Invention

The invention aims to: the patient passes through the head-wearing type ultrasonic monitoring device, when the patient is in an anesthesia state, the miniature ultrasonic probe of the ultrasonic monitoring device acquires an ultrasonic image of the pupil of the eye of the patient, and the change condition of the pupil is displayed through the display of the ultrasonic host machine, so that the monitoring of the anesthesia depth is realized.

In order to achieve the above object, in one aspect, the present invention provides an anesthesia depth monitoring system based on pupil change under ultrasound, including:

the ultrasonic monitoring device comprises a head-mounted part and two miniature ultrasonic probes, wherein the two miniature ultrasonic probes are symmetrically arranged on two sides of the head-mounted part, the position of one miniature ultrasonic probe corresponds to one eye, and the miniature ultrasonic probes are attached to the face and acquire pupil ultrasonic images through ultrasonic waves;

the ultrasonic host comprises a display, the pupil ultrasonic image acquired by the miniature ultrasonic probe is transmitted to the ultrasonic host, the ultrasonic host processes the pupil ultrasonic image and displays data information such as the pupil image, a pupil diameter real-time numerical value, a binocular pupil diameter average value, a pupil diameter variation trend graph and the like through the display;

and the shading paste is applied to the eyelid, eliminates the influence of indoor light on the light reflection of the pupil, and positions the ultrasonic monitoring device.

As a further description of the above technical solution:

the two miniature ultrasonic probes are respectively arranged on the outer sides of the eyes or the lower eyelids of the eyes.

As a further description of the above technical solution:

the headset includes a first headset, a second headset, and a mask mount.

As a further description of the above technical solution:

first wear-type installed part includes curved first elasticity bandeau, and two miniature ultrasonic probe symmetrical arrangement are at first elasticity bandeau both ends, and two miniature ultrasonic probe set up respectively in the eyes outside.

As a further description of the above technical solution:

the second head-mounted part comprises a second elastic headband and a nose frame, the nose frame is clamped on the nose bridge of the face of a person, the two miniature ultrasonic probes are symmetrically arranged on two sides of the nose frame, and the miniature ultrasonic probes are attached to the lower eyelids of the eyes.

As a further description of the above technical solution:

mask formula installed part includes face guard and bandage, and the face guard includes the first cover body and the second cover body, and the ventilation line is connected to the first cover body, and the second cover body laminates facial profile around the eye, and two miniature ultrasonic probe settings are in the mounting groove of the second cover body, and miniature ultrasonic probe laminates the lower eyelid of eye, and bandage fixed mounting is on the face guard.

As a further description of the above technical solution:

the shading plaster is a medical cold compress eye plaster.

As a further description of the above technical solution:

the ultrasonic host machine also comprises a sound alarm module or a light alarm module.

On the other hand, the invention adopts a detection method of an anesthesia depth monitoring system based on the pupil change under ultrasound, which comprises the following steps:

1) wearing an ultrasonic monitoring device on a patient, wherein the positions of two miniature ultrasonic probes respectively correspond to the left eye and the right eye, and adjusting the miniature ultrasonic probes to be attached to the face;

2) applying a shading paste on the eyelid of the patient, wherein the shading paste positions an ultrasonic monitoring device;

3) the miniature ultrasonic probe transmits and receives ultrasonic waves, monitors the left eye and the right eye and acquires pupil ultrasonic images;

4) the pupil ultrasonic image acquired by the miniature ultrasonic probe is transmitted to the ultrasonic host, the ultrasonic host processes the pupil ultrasonic image and displays data information such as the pupil image, a pupil diameter real-time numerical value, a binocular pupil diameter average value, a variation trend chart and the like through the display.

As a further description of the above technical solution:

in step 4), the transmission mode of the pupil ultrasonic image includes bluetooth, wireless, and wired.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, the patient wears the head-wearing type ultrasonic monitoring device before anesthesia, and the miniature ultrasonic probe of the ultrasonic monitoring device is attached to the face without pressing the eyes. When the ultrasonic monitoring device is in an anesthesia state, two miniature ultrasonic probes of the ultrasonic monitoring device acquire pupil ultrasonic images of two eyes of a patient, the ultrasonic host machine processes the pupil ultrasonic images, displays data information such as pupil images, pupil diameter real-time numerical values, binocular pupil diameter average values, pupil diameter change trend graphs and the like through a display, judges anesthesia depth through pupil change and achieves monitoring of the anesthesia depth. The pupil image can be switched to observe a certain eye or observe the left eye and the right eye simultaneously, and the pupil distance is marked.

2. According to the invention, the two miniature ultrasonic probes can be arranged at the outer sides of the eyes or the lower eyelids of the eyes, the miniature ultrasonic probes are flexibly arranged, the use limit is reduced, the positions of the probes can be flexibly arranged according to the requirements, and the anesthesia depth monitoring effect is ensured. Accordingly, different head mounts may be employed to mount the miniature ultrasound probe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a flowchart of a detection method of an anesthesia depth monitoring system based on pupil change under ultrasound.

Fig. 2 is a first schematic structural diagram of a first headset in an anesthesia depth monitoring system based on pupil change under ultrasound.

Fig. 3 is a structural schematic diagram of a first head-mounted device in an anesthesia depth monitoring system based on pupil change under ultrasound.

Fig. 4 is a schematic structural view of a first elastic headband in an anesthesia depth monitoring system based on pupil change under ultrasound.

Fig. 5 is a first structural schematic diagram of a second head mount in an anesthesia depth monitoring system based on pupil change under ultrasound.

Fig. 6 is a structural schematic diagram of a second head mount in an anesthesia depth monitoring system based on pupil change under ultrasound.

Fig. 7 is a schematic structural view of a mask type mounting member in an anesthesia depth monitoring system based on pupil change under ultrasound.

Illustration of the drawings:

1. a miniature ultrasonic probe; 2. a first elastic headband; 3. a second elastic headband; 4. a nose frame; 5. a face mask; 51. a first cover body; 52. a second cover body; 6. and (4) binding the bands.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: in one aspect, the invention provides an anesthesia depth monitoring system based on pupil change under ultrasound, comprising:

the ultrasonic monitoring device comprises a head-mounted mounting piece and two miniature ultrasonic probes 1, wherein the two miniature ultrasonic probes 1 are symmetrically arranged on two sides of the head-mounted mounting piece, the position of one miniature ultrasonic probe 1 corresponds to one eye, and the miniature ultrasonic probes 1 are attached to the face and acquire pupil ultrasonic images through ultrasonic waves;

the ultrasonic host comprises a display, the pupil ultrasonic image acquired by the miniature ultrasonic probe 1 is transmitted to the ultrasonic host, the ultrasonic host processes the pupil ultrasonic image and displays data information such as the pupil image, a pupil diameter real-time numerical value, a binocular pupil diameter average value, a pupil diameter variation trend graph and the like through the display;

and the shading paste is applied to the eyelid, eliminates the influence of indoor light on the light reflection of the pupil, and positions the ultrasonic monitoring device.

The two miniature ultrasonic probes 1 are respectively arranged on the outer sides of the eyes or the lower eyelids of the eyes, and the positions of the miniature ultrasonic probes 1 are flexibly arranged according to requirements so as to better monitor the change of pupils and further realize the monitoring of the anesthesia depth.

The headset includes a first headset, a second headset, and a mask mount.

First wear-type installed part includes curved first elasticity bandeau 2, and two miniature ultrasonic probe 1 symmetric arrangement are in first elasticity bandeau 2 both ends, and two miniature ultrasonic probe 1 set up respectively in the eyes outside, and ultrasonic monitoring device wears the convenience.

The second head-mounted spare includes second elasticity bandeau 3 and nose frame 4, and nose frame 4 card is on the bridge of the nose of personnel's face, and two miniature ultrasonic probe 1 symmetric arrangement are in nose frame 4 both sides, and miniature ultrasonic probe 1 laminating lower eyelid of eyes. When the micro ultrasonic probe 1 is arranged at the lower eyelid, the couplant is arranged between the micro ultrasonic probe 1 and the skin, so that the micro ultrasonic probe 1 is matched with the face on one hand, and the angle of the ultrasonic probe can be adjusted in an assisted manner by adjusting the thickness of the couplant on the other hand.

Mask formula installed part includes face guard 5 and bandage 6, face guard 5 includes the first cover body 51 and the second cover body 52, the ventilation line is connected to the first cover body 51, the second cover body 52 laminates facial profile around the eye, two miniature ultrasonic probe 1 set up in the mounting groove of the second cover body 52, the lower eyelid of miniature ultrasonic probe 1 laminating eye, bandage 6 fixed mounting is on face guard 5, face guard 5 is fixed through bandage 6, all be provided with the bandage on the first cover body 51 and the second cover body 52, guarantee fixed effect. The face guard has carried out the appearance improvement for traditional respirator, has more the second cover body 5 that agrees with facial profile, leaves the space of placing miniature ultrasonic probe in the second cover body 5, and the setting up of the second cover body 5 makes the face guard compare in traditional respirator, does not oppress eyes and probe when fixed, and is airtight, guarantees pupil change monitoring effect.

The shading patch is a medical cold compress eye patch, prevents the eyes from being in an anesthesia state for a long time and from being dry and astringent, and can also prevent indoor light from influencing light reflection of pupils.

The ultrasonic host also comprises a sound alarm module or a light alarm module, the ultrasonic host sets a baseline value and an alarm value for the pupil change, and the sound or light alarm is carried out when the pupil change exceeds the alarm value.

On the other hand, the invention adopts a detection method of an anesthesia depth monitoring system based on the pupil change under ultrasound, which comprises the following steps:

1) wearing an ultrasonic monitoring device on a patient, wherein the positions of two miniature ultrasonic probes 1 respectively correspond to the left eye and the right eye, and adjusting the miniature ultrasonic probes 1 to be attached to the face;

2) applying a shading paste on the eyelid of the patient, wherein the shading paste positions an ultrasonic monitoring device;

3) the miniature ultrasonic probe 1 transmits and receives ultrasonic waves, monitors the left eye and the right eye and acquires pupil ultrasonic images;

4) the pupil ultrasonic image acquired by the miniature ultrasonic probe 1 is transmitted to the ultrasonic host, the ultrasonic host processes the pupil ultrasonic image and displays data information such as the pupil image, a pupil diameter real-time numerical value, a binocular pupil diameter average value, a variation trend chart and the like through the display.

In step 4), the transmission mode of the pupil ultrasound image includes bluetooth, wireless, wired, and can perform data transmission in various modes.

The working principle is as follows: the patient wears the head-wearing type ultrasonic monitoring device before anesthesia, and the miniature ultrasonic probe of the ultrasonic monitoring device is attached to the face but cannot cause oppression to eyes. When the ultrasonic monitoring device is in an anesthesia state, two miniature ultrasonic probes of the ultrasonic monitoring device acquire pupil ultrasonic images of two eyes of a patient, the ultrasonic host machine processes the pupil ultrasonic images, displays data information such as pupil images, pupil diameter real-time numerical values, binocular pupil diameter average values, pupil diameter change trend graphs and the like through a display, judges anesthesia depth through pupil change and achieves monitoring of the anesthesia depth. The pupil image can be switched to observe a certain eye or observe the left eye and the right eye simultaneously, and the pupil distance is marked. The two miniature ultrasonic probes can be arranged on the outer sides of the two eyes or the lower eyelids of the two eyes, the miniature ultrasonic probes are flexibly arranged, the use limit is reduced, the positions of the probes can be flexibly arranged according to the requirements, and the anesthesia depth monitoring effect is ensured. Accordingly, different head mounts may be employed to mount the miniature ultrasound probe.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.