CN211798146U

CN211798146U - Face mask

Info

Publication number: CN211798146U
Application number: CN202020091278.5U
Authority: CN
Inventors: 姜柏林; 冯艺
Original assignee: Peking University Peoples Hospital
Current assignee: Peking University Peoples Hospital
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-30
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to the technical field of medical equipment, in particular to a mask, which comprises a mask body covering the mouth and the nose of a patient and forming a closed cavity, wherein the mask body is provided with a vent which is respectively connected with an air inlet pipe and an expiratory pipe, and also comprises a sucking part arranged in the mask body, the sucking part extends towards the oral cavity direction of the patient, the sucking part is provided with a cavity communicated with the oral cavity of the patient, and a pressure sensor is arranged in the cavity; the pressure sensor is electrically connected with the data acquisition and analysis device through a lead, and the data acquisition and analysis device analyzes and judges the awakening condition of the patient through acquiring data obtained by the pressure sensor. The utility model discloses a catch suck the regular change of reflection recovery back oral cavity internal pressure under the infant state of awaking to discerning the recovery of infant protective reflection, judging infant's clinical state of awaking.

Description

Face mask

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, relate to a face guard.

Background

The conventional monitoring means after anesthesia cannot effectively judge the awakening process of a general anesthesia infant, particularly a young infant, and needs to observe the larger limb movement or crying reaction of the infant by means of sound and pain stimulation, so that the subjectivity is high, the judgment lacks reliable objective basis, and the actions such as conditional emission and the like when the infant is stimulated possibly cause an inexperienced doctor to judge the state of the infant by mistake, thereby bringing improper risk and injury.

Therefore, how to scientifically judge the awakening state of the infant patient during general anesthesia is a problem to be urgently solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem how utilize the information of scientific acquisition to judge infant patient's anesthesia state and the state of reviving, for this reason, the utility model provides a face guard.

In order to achieve the above object, the utility model provides a following technical scheme:

a mask comprises a mask body which covers the mouth and nose of a patient and forms a closed cavity, wherein the mask body is provided with vent holes which are respectively connected with an air inlet pipe and an exhalation pipe, the mask also comprises a sucking part which is arranged in the mask body, the sucking part extends towards the direction of the oral cavity of the patient, the sucking part is provided with a cavity which is used for being communicated with the oral cavity of the patient, and a pressure sensor is arranged in the cavity; the pressure sensor is electrically connected with the data acquisition and analysis device through a lead, and the data acquisition and analysis device analyzes and judges the awakening condition of the patient through acquiring data obtained by the pressure sensor.

As a further improvement, the cover body is internally provided with a gas concentration monitoring device.

Preferably, the gas concentration monitoring device comprises a carbon dioxide concentration sensor, the carbon dioxide concentration sensor is electrically connected with the data acquisition and analysis device through a lead, and the data acquisition and analysis device analyzes and judges the breathing condition of the patient through acquiring data obtained by the carbon dioxide concentration sensor.

As a further improvement of the utility model, the air inlet pipe is provided with an opening connected with the anesthetic gas generating device.

As a further improvement of the utility model, the cover body is further provided with a fixing ring for fixing the cover body on the mouth and nose of the patient.

Preferably, the fixing ring is a soft band with elasticity.

As a further improvement of the utility model, the external shape of the sucking part is a pacifier.

As a further improvement of the utility model, the intake tube comprises an oxygen supply tube for being directly put into the nostril of the patient.

As a further improvement of the utility model, the sucking part is also provided with a mouth blocking piece for limiting the depth of the sucking part deep into the oral cavity of the patient.

As a further improvement of the present invention, the vent is provided in the side of the cover body.

According to the technical scheme, when the device is used, a closed space is formed on the face of a patient through the cover body, the air inlet pipe and the air exhaust pipe which are respectively connected with the air vent are used for supplying air and exhausting air in the cover body, the pressure data of the pressure sensor in the cavity is obtained through the sucking part which is placed in the oral cavity of the infant patient and the sucking reaction which naturally exists in the infant, and the specific numerical value and the changing waveform are displayed through processing equipment such as an external computer, so that the waking state of the patient is judged. In the specific operation, when the patient is anesthetized, along with the anesthesia process, the pressure in the cavity is reduced, the pressure change waveform tends to be smooth, the patient is marked to enter the anesthesia state, and the operation and the examination can be started; when examination and operation are finished, and in the anesthesia relieving process, along with the awakening of a patient, protective reflection is recovered, sucking reflection appears, the pressure in the cavity is changed, the pressure data obtained by the data acquisition and analysis device is changed, the pressure data obviously rises, the vertical change waveform is steep, the patient can be judged to be awakened, the sucking part in the cavity can be removed, and the operation state of the patient is finished. The method avoids the intuitive display of scientific data such as the change of negative pressure data in the oral cavity of the patient caused by the experience or stimulation of the patient to obtain the awakening and anesthesia states of the patient under the existing condition and the condition of protective sucking reflex, provides basis for judging the awakening and anesthesia states of the patient, can effectively identify the awakening level of the patient, provides objective and reliable indexes for judging the awakening of the patient, can be widely applied to the conventional oxygen inhalation detection and general anesthesia management of the young infants, and is particularly suitable for the detection of the awakening process of the infant patient after general anesthesia.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an implementation state of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a left side view structure diagram of the present invention;

in the figure: the mask comprises a mask body 1, an air inlet pipe 2, a mouth blocking sheet 3, a lead 4, a sucking part 5 and an expiration pipe 6.

Detailed Description

The core of the utility model is to provide a mask to reach the purpose of utilizing the information obtained scientifically to judge the anesthesia state of infant patients and the awakening state.

The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 3, a mask comprises a mask body 1 covering the nose and mouth of a patient and forming a closed cavity, wherein the mask body 1 is of a flat arc structure, one side of the mask body contacting with the face of the patient is of an arc structure adapted to the human body, and a rubber ring for increasing the sealing performance of the mask body 1 is arranged, so that the gas breathed by the patient passes through a vent hole of the mask body 1; the ventilation ports of the mask body 1 are arranged on the side face of the mask body 1 and are respectively connected with the air inlet pipe 2 and the air exhaust pipe 6, the ventilation ports are preferably arranged on one side, close to the chin, of the mask body 1, the arrangement mode enables the air breathed by a patient to directly enter and exit the ventilation ports, and the arrangement of the air inlet pipe 2 and the air exhaust pipe 6 connected with the ventilation ports avoids blocking the face of the patient, so that medical staff can check the expression change of the patient and provide convenience for performing operation on the face; when the mask is used specifically, the air inlet pipe 2 and the expiration pipe 6 are respectively provided with a one-way valve, so that the inspiration of the patient can only enter the mask body 1 through the air inlet pipe 2, and the expiration of the patient can only be discharged out of the mask body 1 through the expiration pipe 6.

The mask also comprises a sucking part 5 arranged in the mask body 1, one end of the sucking part 5 extends towards the inside of the mouth of a patient, the other end of the sucking part 5 can be connected with the mask body 1 or can be separated from the mask body 1, and when the sucking part 5 and the mask body 1 are separated, the sucking part 5 and the mask body 1 can be used independently; the sucking part 5 is provided with a cavity communicated with the oral cavity of a patient, a pressure sensor is arranged in the cavity, and the pressure sensor is a gas negative pressure sensor; the pressure sensor is electrically connected with the data acquisition and analysis device through a lead 4, and the data acquisition and analysis device analyzes and judges the awakening condition of the patient through acquiring data obtained by the pressure sensor. The data acquisition and analysis device can be any one or combination of a single chip microcomputer and a microcomputer, the lead 4 can pass through the cover body 1 through a special gap and a channel arranged on the side surface of the cover body 1, and can also pass through the cover body 1 by utilizing the deformation generated by the skin of the human body when the cover body 1 presses the human body.

When the device is used, a closed space is formed on the face of a patient through the cover body 1, the air inlet pipe 2 and the expiration pipe 6 which are respectively connected through the vent holes are used for supplying air and exhausting air in the cover body 1, the pressure data of the pressure sensor in the cavity is obtained through the sucking part 5 which is arranged in the oral cavity of the infant patient, the sucking reaction which naturally exists in the infant is utilized, the specific numerical value and the changing waveform are displayed through the processing equipment such as the external computer, and therefore the waking state of the patient is judged. In the specific operation, when the patient is anesthetized, along with the anesthesia process, the pressure in the cavity is reduced, the pressure change waveform tends to be smooth, the patient is marked to enter the anesthesia state, and the operation and the examination can be started; when the examination and the operation are finished, the protective reflex is recovered along with the awakening of the patient in the anesthesia relieving process, the sucking reflex appears, the pressure in the cavity is changed, the pressure data obtained by the data acquisition and analysis device is changed, the pressure data obviously rises, the vertical change waveform is steep, the patient can be judged to be awakened, the sucking part 5 in the cavity can be removed, and the operation state of the patient is finished.

In a specific embodiment, a gas concentration monitoring device is arranged in the mask body 1, and the gas concentration monitoring device can be a carbon dioxide concentration sensor and an oxygen concentration sensor which are arranged at a vent, and the specific state of the patient is judged by acquiring the concentration change condition of the gas in the mask body 1 when the patient exhales and inhales. Preferably, the gas concentration monitoring device comprises a carbon dioxide concentration sensor, the carbon dioxide concentration sensor is electrically connected with the data acquisition and analysis device through a lead 4, the data acquisition and analysis device analyzes and judges the breathing condition of the patient through acquiring data obtained by the carbon dioxide concentration sensor, and the waking state of the patient is obtained by matching with the data obtained by the sucking part 5. When the mask is used specifically, in the inspiration process of a patient, external gas enters the mask body 1 through the vent, the concentration of carbon dioxide in the mask body 1 is reduced, the concentration of oxygen is increased, and the patient can be judged to be in the inspiration state at the moment; during the expiration process of the patient, the concentration of carbon dioxide in the mask body 1 is increased, the concentration of oxygen is reduced, and the patient can be judged to be in an expiration state according to the concentration; by utilizing the judgment, the respiratory frequency of the patient can be obtained, and the awakening state of the patient can be judged in an auxiliary manner according to the respiratory frequency change of the patient; when the patient's breathing rate decreases, the patient may be considered to be under anesthesia, and when the patient's breathing rate increases, the patient may be considered to be waking up.

In a specific embodiment, the air inlet pipe 2 is connected with an anesthetic gas generating device; during specific operation, an anesthetic gas inlet channel can be arranged on the side surface of the gas inlet pipe 2, and a valve is arranged at the anesthetic gas inlet channel; when anesthesia needs to be performed, an anesthetic gas input pipeline is connected, a valve is opened, anesthetic gas is input into the mask body 1 through the gas inlet pipe 2 and then enters a respiratory system of a patient, and gas anesthesia is performed; when the anesthesia is finished, the valve is closed, the anesthetic gas input pipeline is disconnected, and the gas is continuously and normally supplied into the mask through the gas inlet pipe 2.

In a specific embodiment, the mask body 1 is provided with a fixing ring for fixing the mask body on the mouth and nose of a patient, and the fixing ring is a soft belt with elasticity; when using, gu fixed ring encircles patient's head, gu fixed ring's both ends respectively with the cover body 1 is connected, or directly sets up in the cover body 1 outside, and with the cover body 1 constraint in patient's oronasal position, prevent that the cover body 1 from dropping to through the oppression that the constraint produced, reduce the gas leakage of the cover body 1 and human contact position.

In a specific embodiment, the external shape of the sucking part 5 is a pacifier, a cavity is arranged inside the pacifier, the tip of the pacifier is arranged to connect the oral cavity of a patient with the cavity, when the patient sucks, the pressure in the cavity changes, and is known by a negative pressure gas pressure sensor arranged in the cavity.

In a particular embodiment, the inlet conduit 2 comprises an oxygen supply conduit that is placed directly into the patient's nares.

In a specific embodiment, the sucking part 5 comprises a mouth blocking sheet 3 for limiting the depth of the sucking part 5 entering the oral cavity of the patient, the mouth blocking sheet 3 is arranged at one end far away from the sucking part 5 and entering the oral cavity of the patient, and the sucking part 5 is prevented from falling into the oral cavity of the patient when the patient sucks through the mouth blocking sheet 3, so that a medical accident blocking the airway or esophagus of the patient is caused.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a mask, is including covering patient's mouth nose, the cover body (1) that forms airtight cavity, cover body (1) is provided with the blow vent, intake pipe (2) and exhale pipe (6), its characterized in that are connected respectively to the blow vent: the mask body further comprises a sucking part (5) arranged in the mask body (1), the sucking part (5) extends towards the oral cavity direction of a patient, the sucking part (5) is provided with a cavity communicated with the oral cavity of the patient, and a pressure sensor is arranged in the cavity; the pressure sensor is electrically connected with the data acquisition and analysis device through a lead (4), and the data acquisition and analysis device analyzes and judges the awakening condition of the patient through acquiring data obtained by the pressure sensor.

2. The mask according to claim 1, wherein: and a gas concentration monitoring device is also arranged in the cover body (1).

3. A mask as defined in claim 2, wherein: the gas concentration monitoring device comprises a carbon dioxide concentration sensor, the carbon dioxide concentration sensor is electrically connected with the data acquisition and analysis device through a lead (4), and the data acquisition and analysis device analyzes and judges the breathing condition of a patient through acquiring data obtained by the carbon dioxide concentration sensor.

4. The mask according to claim 1, wherein: the air inlet pipe (2) is provided with an opening for connecting with an anesthetic gas generation device.

5. The mask according to claim 1, wherein: the mask body (1) is also provided with a fixing ring which enables the mask body (1) to be fixed on the mouth and nose of a patient.

6. The mask according to claim 5, wherein: the fixed ring is a soft belt with elasticity.

7. The mask according to claim 1, wherein: the sucking part (5) is shaped like a pacifier.

8. The mask according to claim 1, wherein: the air inlet pipe (2) comprises an oxygen supply pipe which is directly placed into the nostril of the patient.

9. The mask according to claim 1, wherein: the sucking part (5) is also provided with a mouth blocking sheet (3) for limiting the depth of the sucking part (5) entering the oral cavity of a patient.

10. The mask according to claim 1, wherein: the vent is arranged on the side surface of the cover body (1).