CN219439129U - Blood oxygen detector - Google Patents
Blood oxygen detector Download PDFInfo
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- CN219439129U CN219439129U CN202223449493.6U CN202223449493U CN219439129U CN 219439129 U CN219439129 U CN 219439129U CN 202223449493 U CN202223449493 U CN 202223449493U CN 219439129 U CN219439129 U CN 219439129U
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- air bag
- probe
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- control device
- blood oxygen
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Abstract
The application discloses a blood oxygen detector, which comprises a signal acquisition device, wherein the signal acquisition device is used for acquiring blood oxygen signals; the probe is provided with a collection cavity and a vent; the air bag is arranged on the inner wall of the collecting cavity and is arranged in a surrounding mode to form a closed-loop structure; the signal acquisition device is arranged on the surface of the air bag; the air pump is arranged in the probe and is positioned outside the acquisition cavity; the air pump is respectively connected with the air bag and the air vent; the pressure detection device is arranged on the surface of the air bag; the control device is arranged in the probe and positioned outside the acquisition cavity; the control device is respectively connected with the air pump and the pressure detection device and is used for acquiring the acquired data of the pressure detection device and controlling the start and stop of the inflation and deflation of the air pump. Because the air bag has better contraction characteristic, the change of volume can be realized under two states of inflation and deflation, and the wearing discomfort is relieved while the wearing applicability of the fingers of different sizes of infants and adults is met.
Description
Technical Field
The application relates to the technical field of blood oxygen detection equipment, in particular to a blood oxygen detector.
Background
Blood oxygen saturation refers to the ratio of hemoglobin saturated with oxygen to total hemoglobin in flowing blood, and is a very important winning indicator and also a very important indicator in vital signs.
At present, the mainstream method is an external sensor, and the real-time measurement of the blood oxygen saturation is realized through the optical phenomenon. The finger-stall type blood oxygen probe is used in clinic, when in use, the finger-stall type blood oxygen probe is sleeved on a finger, red light and near infrared light are used as emission sources, and the light transmission intensity of the red light and the near infrared light passing through the finger of a human body is measured to calculate the hemoglobin concentration and the blood oxygen saturation in blood.
In the prior art, the finger sleeve type probe uses an elastic finger sleeve, and the elastic finger sleeve is only suitable for fingers with inner diameters matched with the inner diameters of the finger sleeve type probe in a natural state, or can be used for stretching large fingers, but cannot be used for infants with smaller fingers. Because the finger stall needs to have certain cladding pressure to the finger when wearing and detecting blood oxygen saturation, even if in order to enlarge the application scope of elasticity dactylotheca to infant, the thinner elasticity dactylotheca that makes with infant's finger size phase-match still can exist: when the adult wears the elastic fingerstall, the elastic fingerstall is required to be stretched by a large force, and the finger is extruded by the elastic fingerstall by a large force, so that the problem of wearing discomfort is caused.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The application aims to solve the technical problem that the blood oxygen detector aims to solve the defects of the prior art, and aims to improve the wearing comfort of fingers of different sizes of infants and adults.
The technical scheme adopted for solving the technical problems is as follows:
an oximetry comprising a signal acquisition device for acquiring blood oxygen signals, further comprising:
the probe is provided with a collection cavity and a vent;
the air bag is arranged on the inner wall of the collecting cavity and is arranged in a surrounding mode to form a closed-loop structure; the signal acquisition device is arranged on the surface of the air bag;
the air pump is arranged in the probe and positioned outside the acquisition cavity; the air pump is respectively connected with the air bag and the air vent;
the pressure detection device is arranged on the surface of the air bag;
the control device is arranged in the probe and positioned outside the acquisition cavity; the control device is respectively connected with the air pump and the pressure detection device and is used for acquiring the acquired data of the pressure detection device and controlling the start and stop of the inflation and deflation of the air pump.
The blood oxygen detector further comprises:
the anti-slip layer is arranged on the air bag and covers the surface of the air bag;
the anti-slip layer is provided with a hole structure, and the signal acquisition device part penetrates through the hole structure and extends out of the hole structure.
The blood oxygen detector is characterized in that the diameter of the collection cavity is gradually increased from outside to inside.
The blood oxygen detector further comprises:
the elastic pad is arranged in the collection cavity and is arranged opposite to the opening of the collection cavity.
The blood oxygen detector further comprises:
the second pressure detection device is arranged on one side of the elastic pad, which is close to the opening of the collecting cavity, and is positioned at the center of the elastic pad;
the second pressure detection device is connected with the control device.
The blood oxygen detector, wherein the second pressure detection device includes: a capacitive pressure sensor.
The blood oxygen detector, wherein, the signal acquisition device includes:
the emitter comprises a red light emitting tube and an infrared emitting tube which are arranged in parallel;
and a phototransistor disposed opposite the emitter and configured to receive light emitted from the red light emitting tube and the infrared transistor.
The blood oxygen detector further comprises:
the touch display screen is arranged on the probe; the display screen and the signal acquisition device are connected with the control device.
The blood oxygen detector further comprises:
the wireless signal transmission device is arranged in the probe and positioned outside the acquisition cavity; the wireless signal transmission device is connected with the control device.
The blood oxygen detector further comprises:
the power supply is arranged in the probe and positioned outside the acquisition cavity;
and the probe is also provided with a charging interface, and the power supply is respectively connected with the charging interface and the control device.
The beneficial effects are that: according to the blood oxygen detector, the air bags are arranged on the inner wall of the collection cavity, the air bags have good contraction characteristics, and the large change of the air bag volume can be realized only by adjusting the inflation and deflation states of the air bags, so that the blood oxygen detector is applicable to different sizes of fingers, the inner wall of the collection cavity is not required to be rigidly supported when an infant user is replaced by an adult user, the blood oxygen detector is applicable to infants and adults at the same time, and discomfort of wearing of the adults is relieved; meanwhile, the good shrinkage characteristic of the air bag can provide better fitting sense for the fingers, so that the pressure of the air bag on the unit area of the skin of the fingers is lowest under enough pressure, and wearing discomfort can be avoided even if the air bag is worn by infants.
Drawings
FIG. 1 is a schematic view showing the internal structure of an oximeter described in the present application;
FIG. 2 is a schematic view of a first external appearance of the blood oxygen monitor described in the present application;
FIG. 3 is a schematic view showing a second external structure of the blood oxygen monitor described in the present application;
fig. 4 is a functional block diagram of the blood oxygen monitor described in the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application clearer and more specific, the present application will be described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The present application provides a blood oxygen detector, as shown in fig. 1 and 4, the blood oxygen detector includes: the device comprises a signal acquisition device 1, a probe 2, an air bag 3, an air pump 4, a pressure detection device 5 and a control device 6. The signal acquisition device 1 is used for acquiring blood oxygen signals; the probe 2 is provided with a collection cavity 21 and a vent 22 (shown in fig. 1 and 3); the collection cavity 21 and the vent 22 are respectively located at two ends of the probe 2, and the collection cavity 21 has an opening for inserting a finger of a user into the collection cavity 21.
The air bag 3 is disposed on the inner wall of the collection cavity 21, and is disposed along the inner wall of the collection cavity 21 in a surrounding manner to form a closed loop structure, so that after the user's finger is inserted into the collection cavity 21, the user's finger can be wrapped in a circumferential direction. The signal acquisition device 1 is arranged on the surface of the air bag 3, so that the distance between the signal acquisition device 1 and the finger of the user is changed along with the inflation and deflation of the air bag 3, so that the signal acquisition device 1 is clung to the finger of the user or is far away from the finger of the user.
The air pump 4 is arranged in the probe 2 and is positioned outside the collecting cavity 21; the air pump 4 is respectively connected with the air bag 3 and the air vent 22, so that air is pumped through the air vent 22 to supply air to the air bag 3; or through the vent 22 to effect deflation of the balloon 3. The air bag 3 has good contraction characteristics, and the larger change of the volume of the air bag 3 can be realized only by adjusting the inflation and deflation states of the air bag 3, so that the air bag 3 is adjustable and suitable for fingers with different sizes, the inner wall of the acquisition cavity 21 is not required to be rigidly supported when the air bag is changed from an infant user to an adult user, the blood oxygen detector meets the wearing applicability of the fingers with different sizes of infants and adults, and the acquisition cavity 21 or the air bag 3 is not required to be rigidly supported by an adult, so that the discomfort of wearing of the adult is relieved; meanwhile, the good shrinkage characteristic of the air bag 3 can provide better fitting sense for fingers, so that the pressure of the unit area of the finger skin is lowest under enough pressure, and wearing discomfort can be avoided even if the infant wears the air bag.
Meanwhile, the fitting of fingers with different sizes can be realized through the inflation and deflation of the air bag 3, so that the probe 2 has reusability.
When the blood oxygen saturation detection is required to be carried out on a user, the air pump 4 is started to carry out the inflation operation, so that the accommodating space formed by the air bag 3 is reduced, the surface of the air bag 3 is tightly attached to the finger of the user, and meanwhile, the signal acquisition device 1 can be attached to the finger of the user, so that the detection accuracy is ensured. And to the user that has different sizes finger, like infant and adult, then can be through adjusting the air pump 4 is right the time of gasbag 3 inflation adjusts the degree that gasbag 3 swelled, thereby make blood oxygen detector is applicable to more extensive crowd, when promoting and wearing application scope, alleviate and wear uncomfortable sense.
Considering that the expression capability of the infant is limited, in order to avoid the occurrence of measurement errors caused by the condition that the infant cannot express the fingers, the pressure detection device 5 is arranged on the surface of the air bag 3, so that when the air bag 3 is inflated or deflated, the pressure detection device 5 can be attached to the fingers of the user or away from the fingers of the user along with the shrinkage of the air bag 3. The pressure detecting device 5 is used for detecting the pressure of the surface of the air bag 3 pressing the fingers of the user so as to judge whether the air pump 4 can be closed to stop inflating the air bag 3 or not, and the purpose of judging whether the fingers of the user are in place or not is achieved.
As shown in fig. 1, the control device 6 is disposed inside the probe 2 and outside the collection cavity 21; the control device 6 is respectively connected with the air pump 4 and the pressure detection device 5, and is used for acquiring detection signals of the pressure detection device 5 and controlling the start and stop of the air pump 4 during inflation and deflation. Specifically, after the finger of the user is placed in the collecting cavity 21, the control device 6 controls the air pump 4 to be turned on and perform the air inflation operation, and meanwhile, the detection signal of the pressure detection device 5 is obtained in real time, so that the pressure data of the surface of the air bag 3 on the finger of the user is obtained; when the pressure data exceeds the preset numerical range, the control device 6 controls the air pump 4 to be closed, the air bag 3 stops the inflation operation, and the subsequent signal acquisition can be performed.
The control device 6 includes a comparator and a controller, the pressure detecting device 5 is correspondingly connected to one input end of the comparator, and the other input end of the comparator is correspondingly provided with a preset numerical range, and the preset numerical range is used as a reference for comparison and judgment. The comparator is electrically connected to the input end of the controller, compares the pressure data with a preset numerical range through the comparator, and outputs a comparison result; the controller controls the air pump 4 to perform corresponding actions according to the comparison result.
In one embodiment of the present application, when the pressure data belongs to the preset value range, the controller controls the air pump 4 to be turned off to stop the inflating operation of the air bag 3.
In one embodiment of the present application, the pressure detecting device 5 is a pressure sensor in the prior art.
In an embodiment of the present application, as shown in fig. 1, 2 and 4, the blood oxygen detector further includes a touch display screen 7, where the touch display screen 7 is disposed on the probe 2 and connected to the control device 6. Specifically, the touch display screen 7 and the signal acquisition device 1 are both connected with the controller; the controller is used for acquiring the acquired data of the signal acquisition device 1 and displaying the acquired data through the touch display screen 7 so that a user can intuitively know the condition of the blood oxygen saturation.
In an implementation manner of this embodiment, the touch display screen 7 may further perform touch operation, for example, the operation options of the air pump 4 are displayed on the touch display screen 7, so that the air pump 4 is started and stopped by manually operating the touch display screen 7.
In one embodiment of the present application, as shown in fig. 1 and 2, the blood oxygen detector further includes an anti-slip layer 8, where the anti-slip layer 8 is disposed on the air bag 3 and covers the surface of the air bag 3; the anti-slip layer 8 is provided with a hole structure, and the signal acquisition device 1 partially penetrates through the hole structure and extends out of the hole structure.
In this embodiment, the anti-slip layer 8 is used to directly contact with a finger of a user, so as to increase friction force, and improve contact comfort of the user while avoiding the probe 2 from falling off from the finger of the user. In one embodiment of this embodiment, the anti-slip layer 8 is a rubber anti-slip layer 8.
In an embodiment of the present application, the diameter of the collecting cavity 21 gradually increases from outside to inside, that is, the opening of the collecting cavity 21 is small, and the inside is wide, so that better anti-falling performance can be provided in the inflated state of the air bag 3.
In an embodiment of the present application, the blood oxygen detector further includes an elastic pad 9, where the elastic pad 9 is disposed in the collection cavity 21 and is disposed opposite to the opening of the collection cavity 21, that is, the elastic pad 9 is disposed at the bottom of the collection cavity 21, so as to protect the fingertip of the user by using self elasticity.
In one implementation manner of this embodiment, the elastic pad 9 is a silica gel elastic pad.
In one embodiment of the present application, as shown in fig. 1 and 4, the blood oxygen detector further includes a second pressure detecting device 10; the second pressure detecting device 10 is arranged on one side of the elastic pad 9 close to the opening of the collecting cavity 21 and is positioned at the center of the elastic pad 9; the second pressure detection device 10 is connected to the control device 6.
Wherein the second pressure detecting means 10 comprises a capacitive pressure sensor. It should be noted that the second pressure detecting device 10 may be, but is not limited to, a capacitive pressure sensor.
Specifically, the second pressure detecting device 10 is connected to the controller; the controller is used for receiving the pressure data sent by the second pressure detection device 10 and controlling the starting of the inflation of the air pump 4. When the finger of the user is inserted into the collection chamber 21 and touches the second pressure detecting means 10, it indicates that the operation of inserting the finger of the user into the collection chamber 21 is completed, and the inflation operation of the air bag 3 can be performed.
When a finger of a user is inserted into the collection cavity 21 and touches the second pressure detection device 10, the second pressure detection device 10 acquires a pressure signal and transmits the pressure signal to the controller, and the controller controls the air pump 4 to start and inflate the air bag 3.
The signal acquisition device 1 comprises an emitter 11 and a phototransistor 12, as shown in fig. 1, the emitter 11 being arranged opposite the phototransistor 12. Hole structures are arranged on the anti-slip layer 8 corresponding to the emitter 11 and the phototransistor 12, so that the emitter 11 and the phototransistor 12 can partially extend out of the hole structures, and therefore contact with the finger skin of a user to collect blood oxygen saturation signals.
As shown in fig. 1, the emitter 11 includes a red light emitting tube 111 and an infrared emitting tube 112 arranged in parallel; the phototransistor 12 is disposed opposite the red light-emitting tube 111 and the infrared-emitting tube 112, respectively, and is configured to receive light emitted from the red light-emitting tube 111 and the infrared-emitting tube 112. Specifically, the red light emitting tube 111 and the infrared emitting tube 112 emit light alternately, and some of the emitted light is absorbed and transmitted, and the other light is reflected to the phototransistor 12; the phototransistor 12 thus generates a current signal to calculate the blood oxygen saturation.
In one embodiment of the present application, as shown in fig. 4, the blood oxygen detector further includes a wireless signal transmission device 11; the wireless signal transmission device 11 is arranged in the probe 2 and is positioned outside the acquisition cavity 21; the wireless signal transmission device 11 is connected with the control device 6, so as to wirelessly transmit the acquired data sent by the control device 6 to an external terminal device and display the acquired data on the external terminal device; the remote wireless control of the air pump 4 may also be achieved by a wireless connection between an external terminal device and the wireless signal transmission means 11.
In one embodiment of the present application, as shown in fig. 1 and fig. 4, the blood oxygen detector further includes a power source 12, where the power source 12 is disposed in the probe 2 and is located outside the collection cavity 21; the power supply 12 is connected with the control device 6 to supply power to the control device 6; at the same time, the power supply 12 can also supply power to the air pump 4 via the control device 6.
In one implementation of this embodiment, the power source 12 may be a dry battery or a rechargeable battery. For a rechargeable battery, as shown in fig. 1 and 3, a charging interface 16 is provided on the probe 2, and the charging interface 16 is connected with the rechargeable battery, so that the rechargeable battery is powered by connecting the charging interface 16 with an external power source.
In one implementation manner of this embodiment, the touch display screen 7 may also display a switching option of the power supply 12, so as to control the switching of the power supply 12 through the touch display screen 7.
In an embodiment of the present application, as shown in fig. 1, 2 and 4, the blood oxygen detector further includes a power switch button 13, an air pump 4 start-stop button 14 and a wireless signal switch button 15; the power switch key 13 is arranged on the probe 2 and connected with the control device 6 to control the switch of the power supply 12; the start-stop button 14 of the air pump 4 is arranged on the probe 2 and is connected with the control device 6 to control the start-stop of the air pump 4; the wireless signal switch key 15 is disposed on the probe 2 and connected to the control device 6 to control the switch of the wireless signal transmission device 11.
Meanwhile, the air pump 4, the control device 6 and the wireless signal transmission device 11 are integrated in the probe 2, so that the blood oxygen detector can get rid of the constraint of redundant wires of the traditional blood oxygen detector, and the risks of wire winding, even electrified wire biting and the like of infants under unconscious conditions are avoided.
Furthermore, the probe 2 is a cuboid probe, and the corner of the probe 2 is rounded, so that accidents such as collision and the like in the using process of infants are avoided.
In summary, the air bag is arranged on the inner wall of the collecting cavity, the air bag has good contraction characteristics, and the large change of the volume of the air bag can be realized only by adjusting the inflation and deflation states of the air bag, so that the air bag is adjustable and suitable for fingers with different sizes, and the inner wall of the collecting cavity is not required to be rigidly supported when the infant user is replaced by an adult user; the blood oxygen detector meets the wearing requirements of different sizes of fingers of infants and adults, and simultaneously reduces the uncomfortable feeling of wearing of adults; meanwhile, the good shrinkage characteristic of the air bag can provide better fitting sense for the fingers, so that the pressure of the air bag on the unit area of the skin of the fingers is lowest under enough pressure, and wearing discomfort can be avoided even if the air bag is worn by infants.
It is to be understood that the application of the present application is not limited to the examples described above, but that modifications and variations can be made by a person skilled in the art from the above description, all of which modifications and variations are intended to fall within the scope of the claims appended hereto.
Claims (10)
1. An oxygen detector, it includes signal acquisition device, signal acquisition device is used for gathering the oxygen signal of blood, its characterized in that, it still includes:
the probe is provided with a collection cavity and a vent;
the air bag is arranged on the inner wall of the collecting cavity and is arranged in a surrounding mode to form a closed-loop structure; the signal acquisition device is arranged on the surface of the air bag;
the air pump is arranged in the probe and positioned outside the acquisition cavity; the air pump is respectively connected with the air bag and the air vent;
the pressure detection device is arranged on the surface of the air bag;
the control device is arranged in the probe and positioned outside the acquisition cavity; the control device is respectively connected with the air pump and the pressure detection device and is used for acquiring the acquired data of the pressure detection device and controlling the start and stop of the inflation and deflation of the air pump.
2. The oximetry of claim 1, further comprising:
the anti-slip layer is arranged on the air bag and covers the surface of the air bag;
the anti-slip layer is provided with a hole structure, and the signal acquisition device part penetrates through the hole structure and extends out of the hole structure.
3. The oximetry of claim 1, wherein the collection chamber increases in diameter from the outside to the inside.
4. The oximetry of claim 1, further comprising:
the elastic pad is arranged in the collection cavity and is arranged opposite to the opening of the collection cavity.
5. The oximetry of claim 4, further comprising:
the second pressure detection device is arranged on one side of the elastic pad, which is close to the opening of the collecting cavity, and is positioned at the center of the elastic pad;
the second pressure detection device is connected with the control device.
6. The blood oxygen monitor of claim 5, wherein the second pressure detecting means comprises: a capacitive pressure sensor.
7. The oximetry of claim 1, wherein the signal acquisition means includes:
the emitter comprises a red light emitting tube and an infrared emitting tube which are arranged in parallel;
and the photoelectric transistor is arranged opposite to the emitter and is used for receiving the light rays emitted by the red light emitting tube and the infrared emitting tube.
8. The oximetry of claim 1, further comprising:
the touch display screen is arranged on the probe; the display screen and the signal acquisition device are connected with the control device.
9. The oximetry of claim 1, further comprising:
the wireless signal transmission device is arranged in the probe and positioned outside the acquisition cavity; the wireless signal transmission device is connected with the control device.
10. The oximetry of claim 1, further comprising:
the power supply is arranged in the probe and positioned outside the acquisition cavity;
and the probe is also provided with a charging interface, and the power supply is respectively connected with the charging interface and the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223449493.6U CN219439129U (en) | 2022-12-22 | 2022-12-22 | Blood oxygen detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223449493.6U CN219439129U (en) | 2022-12-22 | 2022-12-22 | Blood oxygen detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219439129U true CN219439129U (en) | 2023-08-01 |
Family
ID=87379800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223449493.6U Active CN219439129U (en) | 2022-12-22 | 2022-12-22 | Blood oxygen detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219439129U (en) |
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2022
- 2022-12-22 CN CN202223449493.6U patent/CN219439129U/en active Active
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