CN113520384A - Blood oxygen instrument - Google Patents
Blood oxygen instrument Download PDFInfo
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- CN113520384A CN113520384A CN202110803526.3A CN202110803526A CN113520384A CN 113520384 A CN113520384 A CN 113520384A CN 202110803526 A CN202110803526 A CN 202110803526A CN 113520384 A CN113520384 A CN 113520384A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000008280 blood Substances 0.000 title claims abstract description 31
- 210000004369 blood Anatomy 0.000 title claims abstract description 31
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 31
- 239000001301 oxygen Substances 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 238000002955 isolation Methods 0.000 claims description 45
- 239000000645 desinfectant Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 206010011409 Cross infection Diseases 0.000 abstract description 5
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000004888 barrier function Effects 0.000 description 12
- 238000004659 sterilization and disinfection Methods 0.000 description 10
- 238000002496 oximetry Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000005693 optoelectronics Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 241000711573 Coronaviridae Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present application provides an oximeter comprising the following components: the shell is provided with an inner cavity and a finger groove arranged on the surface; the detection device comprises a blood oxygen sensor arranged in the finger groove; the isolating film is arranged in a light-transmitting strip shape and comprises a pressing section corresponding to the finger groove; the wheel driving device is arranged in the inner cavity of the shell, is connected with the isolating membrane and can drive the isolating membrane to move; in the flat state, the pressing section is not contacted with the finger, and the wheel driving device stretches the pressing section to be flat and positioned above the finger groove; in a pressing state, the pressing section is pressed by a finger, the pressing section is at least partially attached to the inner wall of the finger groove, and the blood oxygen sensor detects blood oxygen of the finger through the isolating film; in the moving state, the finger leaves the finger groove, the wheel driving device drives the isolating membrane rebounded to the upper part of the finger groove to move along the preset direction, so that the pressing section contacted with the finger leaves the upper part of the finger groove and enters the inner cavity. The oximeter provided by the application can effectively prevent the cross infection problem in the blood oxygen test process.
Description
Technical Field
The application belongs to the technical field of medical equipment, and more specifically relates to an oximeter.
Background
The oximeter, as a medical monitoring instrument, can perform noninvasive detection on blood oxygen concentration, pulse rate and the like conveniently, quickly and accurately, and thus has become one of the important technical means for screening viruses, such as screening new coronavirus. At present, the common oximeter in the market usually comprises a shell, a PCB (printed circuit board), a display screen, a blood oxygen sensor and the like, when in testing, a person to be detected puts a finger into a detection groove provided with the blood oxygen sensor, and then the blood oxygen saturation of the finger is measured by an infrared technology. However, in the practical use of the oximeter, the detection slot is in direct contact with the skin of the limb, which makes the oximeter likely to be cross-infected.
Disclosure of Invention
An object of the embodiment of the present application is to provide an oximeter to solve the technical problem of cross infection existing in oximetry during detection in the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is an oximeter comprising:
the shell is provided with an inner cavity and a finger groove arranged on the surface of the shell;
the detection device comprises a plurality of blood oxygen sensors, and the blood oxygen sensors are arranged in the finger grooves;
the isolation film is arranged in a light-transmitting strip shape and comprises a pressing section corresponding to the finger groove; and the number of the first and second groups,
the wheel driving device is arranged in the inner cavity of the shell and is connected with the isolating membrane and can drive the isolating membrane to move;
the isolation film comprises a flat state, a pressing state and a moving state; in the flat state, the pressing section is not contacted with the finger, and the wheel driving device stretches the pressing section to be flat and positioned above the finger groove; in a pressing state, the pressing section is pressed by a finger, the pressing section is at least partially attached to the inner wall of the finger groove, and the blood oxygen sensor detects blood oxygen of the finger through the isolating film; in the moving state, the finger leaves the finger groove, the wheel driving device drives the isolating membrane rebounded to the upper part of the finger groove to move along the preset direction, so that the pressing section contacted with the finger leaves the upper part of the finger groove and enters the inner cavity.
Optionally, the wheel driving device comprises a driving wheel assembly and a tension wheel assembly, the driving wheel assembly comprises a driving motor and a driving wheel connected with the driving motor, and the tension wheel assembly comprises a tension wheel;
the isolation film is an annular belt and sequentially wound on the driving wheel and the tension wheel; the disinfection solution is stored in the inner cavity of the shell, the driving wheel component is positioned above the disinfection solution, and the tension wheel component and part of the isolation film are soaked in the disinfection solution.
Optionally, the tension pulley assembly further comprises a tension pulley shaft, a tension arm shaft and a tension elastic piece; the tension pulley is fixedly connected with the side wall surface of the inner cavity through a tension pulley shaft and can rotate around the tension pulley shaft; one end of the tension elastic piece is fixedly connected with the cavity bottom surface of the inner cavity; the middle part of the tension arm is fixedly connected with the side wall surface of the inner cavity through a tension arm shaft, two ends of the tension arm can rotate around the tension arm shaft, one end of the tension arm is connected with a tension wheel shaft, and the other end of the tension arm is connected with one end of the tension elastic piece, which is far away from the cavity bottom surface of the inner cavity;
in the flat state, the tension pulley is in the first position; in the pressed state, the tension pulley is in a second position lower than the first position, and the tension elastic member is stretched.
Optionally, the wheel driving device further comprises a pinch roller assembly, wherein the pinch roller assembly is arranged beside the tension wheel and comprises a pinch roller, a pinch roller shaft, a pinch spring and a pinch spring shaft;
one end of the pressing shaft is fixed with the side wall surface of the inner cavity, the pressing wheel is connected with the pressing spring shaft through the pressing wheel shaft, the pressing spring is sleeved on the pressing spring shaft, so that the peripheral surface of the pressing wheel is elastically abutted against the peripheral surface of the driving wheel, and the isolating film is clamped between the pressing wheel and the driving wheel.
Optionally, the wheel driving device further comprises a first guide wheel, a second guide wheel and a third guide wheel; the first guide wheel is positioned between the driving wheel and the tension wheel, arranged below the driving wheel and positioned lower than the tension wheel; the second guide wheel and the third guide wheel are positioned between the finger groove and the tension wheel, wherein the second guide wheel is lower than the tension wheel, and the third guide wheel is higher than the tension wheel;
the isolating membrane is wound on the driving wheel, the first guide wheel, the tension wheel, the second guide wheel and the third guide wheel in sequence.
Optionally, the wheel driving device comprises a driving wheel assembly, a film collecting assembly, a film supplying assembly and a guide wheel, the driving wheel assembly comprises a driving wheel, the driving wheel and the guide wheel are respectively arranged at two sides of the finger groove, the film collecting assembly comprises a film collecting disc positioned below the driving wheel, and the film supplying assembly comprises a film supplying disc positioned below the guide wheel; the barrier film is recovered by the film collecting disc after passing through the guide wheel and the driving wheel in sequence from the film supplying disc.
Optionally, the driving wheel assembly further comprises a guide shaft, the guide shaft is sleeved on a wheel shaft of the driving wheel, and the guide shaft is provided with a counting hole.
Optionally, the wheel driving device further comprises an opto-electronic switch, and the opto-electronic switch is disposed beside the guide shaft.
Optionally, two blood oxygen sensors are respectively disposed on two sides of the finger pressing position in the finger slot.
Optionally, the oximeter further comprises a control device, the control device comprises a PCB board internally disposed in the housing, and the wheel driving assembly and the detection device are electrically connected to the PCB board respectively.
The application provides an oximetry's beneficial effect lies in: compared with the prior art, the oximeter of the application has the following specific use process: before detection, the isolation film which is not contacted with the fingers is in a flat state, namely, the clean and disinfected isolation film is stretched and flattened by the wheel driving assembly and is positioned above the finger grooves; during detection, a finger is pressed downwards to the bottom surface of the finger groove from the pressing section of the isolating film to enable the isolating film to be in a pressing state, at the moment, the finger groove is separated from the finger by a layer of isolating film, so that the direct contact between the finger and the finger groove can be avoided, and in the pressing state, a blood oxygen sensor arranged in the finger groove can finish infrared detection on the finger through the light-transmitting isolating film, so that detection data such as blood oxygen concentration and the like can be obtained; after the detection is finished, the finger leaves the finger groove, the isolating membrane rebounds to the position above the finger groove under the action of the elastic force, namely the isolating membrane is restored to the flat state from the pressing state, and only the pressing section of the isolating membrane is contacted with the finger and is a contaminated pressing section; the wheel drive then operates so that the diaphragm can be moved in the predetermined direction, i.e. the contaminated press section on the diaphragm will move into the interior of the housing and the adjacent clean sterilized other section will move over the finger well and become a new press section for the next test. Known by above use, this oximetry accessible printing opacity's barrier film and wheel drive's setting, and realize the barrier film at the flat state, press the conversion between state and the mobile state for needn't with the internal face direct contact of finger groove when finger detects, and can change clean one section barrier film after detecting, like this, this oximetry just can prevent to take place cross infection in the measurement process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a separator of an oximeter provided in an embodiment of the present application in a flat state;
fig. 2 is a schematic structural view of a separator of an oximeter according to an embodiment of the present application in a pressed state;
FIG. 3 is a side view of an oximeter provided in accordance with an embodiment of the instant application;
FIG. 4 is a schematic view of a flat-out configuration of a separator of an oximeter made according to another embodiment of the instant application;
fig. 5 is a side view of an oximeter provided in accordance with another embodiment of the instant application.
The reference numbers illustrate:
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present application are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The embodiment of the application provides an oximeter.
Referring to fig. 1 to fig. 3, in one embodiment, the oximeter includes a housing 100, a detection device, an isolation film 300, and a wheel driving device 400. Specifically, the housing 100 has an inner cavity and a finger groove 121 formed on a surface of the housing 100; the detection device comprises a plurality of blood oxygen sensors 210, wherein the blood oxygen sensors 210 are arranged in the finger grooves 121; the isolation film 300 is arranged in a light-transmitting strip shape and comprises a pressing section 310 corresponding to the finger groove 121; wheel drive 400 is disposed in the inner cavity of housing 100, and wheel drive 400 is connected to isolation diaphragm 300 and can move isolation diaphragm 300.
Wherein, the isolation film 300 comprises a flat state, a pressing state and a moving state; in the flat state, the pressing section 310 is not in contact with the finger 900, and the wheel driving device 400 stretches the pressing section 310 flat and above the finger groove 121; in the pressing state, the pressing section 310 is pressed by the finger 900, the pressing section 310 is at least partially attached to the inner wall of the finger groove 121, and the blood oxygen sensor 210 performs blood oxygen detection on the finger 900 through the isolation film 300; in the moving state, the finger 900 leaves the finger groove 121, and the wheel driving unit 400 moves the isolation diaphragm 300, which has rebounded to the upper side of the finger groove 121, in a predetermined direction, so that the pressing section 310 contacting the finger 900 leaves the upper side of the finger groove 121 and enters the inner cavity.
Based on this structural design, in this embodiment, the specific usage of the oximeter is as follows: before testing, barrier 300 not in contact with finger 900 is in a flat condition, i.e., clean sterilized barrier 300 is stretched flat by the wheel drive assembly and positioned over finger groove 121; during detection, the finger 900 presses down from the pressing section 310 of the isolation film 300 to the bottom surface of the finger groove 121, so that the isolation film 300 is in a pressing state, at this time, since a layer of isolation film 300 is arranged between the finger groove 121 and the finger 900, the direct contact between the finger 900 and the finger groove 121 can be avoided, and in the pressing state, the blood oxygen sensor 210 arranged in the finger groove 121 can complete the infrared detection of the finger 900 through the light-transmitting isolation film 300, so as to obtain the detection data such as blood oxygen concentration; after the detection is completed, the finger 900 leaves the finger groove 121, and the isolation film 300 can rebound to the upper part of the finger groove 121 under the action of the elastic force, that is, the isolation film 300 returns to the flat state from the pressed state, only the pressing section 310 of the isolation film 300 has contacted the finger 900, and is the contaminated pressing section 310; wheel drive 400 is then operated so that barrier 300 can be moved in a predetermined direction, i.e., contaminated pressing section 310 of barrier 300 is moved into the interior of housing 100, and the next clean and sterile section is moved over finger groove 121 to become a new pressing section 310 for the next test. Known from the above use, this oximetry can pass through non-light tight barrier film 300 and wheel drive 400's setting, and realize barrier film 300 in the conversion between flat state, the state of pressing and the mobile state for the internal wall direct contact with finger groove 121 need not be when finger 900 detects, and can change clean one section barrier film 300 after detecting, and like this, this oximetry just can prevent to take place cross infection in the measurement process.
It should be noted that the oximeter is specifically a finger-clip oximeter, but other oximeters with suitable structures can also be applied to the technical solution of the present application. In the present application, the oximeter further comprises a control device, the control device comprises a PCB board 500 embedded in the inner cavity of the housing 100, and the wheel driving assembly and the detecting device are electrically connected to the PCB board 500 respectively. Specifically, as shown in fig. 1 and fig. 3, the housing 100 of the oximeter includes a lower housing 120 provided with a finger slot 121 and an upper housing 130 located on the top surface of the lower housing 120, a display screen 700 is disposed on a side surface of the upper housing 130 facing the finger slot 121, a plurality of keys 600 are disposed below the display screen 700 to implement operations of different functions, a PCB board 500 is disposed inside the upper housing 130 and located at the rear side of the display screen 700, and the display screen 700 and the keys 600 are also electrically connected to the PCB board 500.
In addition, as shown in fig. 1 and fig. 2, in order to improve the convenience and accuracy of detection, two blood oxygen sensors 210 are respectively disposed at two sides of the pressing position of the finger 900 in the finger slot 121. Specifically, two through holes are formed in the inner wall surface of the finger groove 121, one blood oxygen sensor 210 is disposed inside each through hole, and infrared light emitted from the blood oxygen sensor 210 passes through the corresponding through hole, penetrates through the isolation film 300, and then irradiates the finger 900 to be detected.
Referring to fig. 1 and fig. 2, in the present embodiment, the wheel driving apparatus 400 includes a driving wheel assembly 410 and a tension wheel assembly 420, the driving wheel assembly 410 includes a driving motor 411 and a driving wheel 412 connected to the driving motor 411, and the tension wheel assembly 420 includes a tension wheel 421; the isolation film 300 is an annular belt and sequentially winds around the driving wheel 412 and the tension wheel 421; the disinfection solution 800 is stored in the inner cavity of the housing 100, the driving wheel assembly 410 is located above the disinfection solution 800, and the tension wheel assembly 420 and a part of the isolation film 300 are soaked in the disinfection solution 800. Thus, after one-time detection, the driving wheel 412 rotates to drive the isolation membrane 300 to move, and further, a portion of the contaminated membrane strip enters the disinfecting liquid 800 for soaking and disinfection, and meanwhile, the tension wheel assembly 420 ensures the flatness of the isolation membrane 300 in the flat state and the elastic recovery after the detection. Of course, in other embodiments, the disinfection of isolation film 300 is not limited to soaking in disinfection solution 800, but may be performed by, for example, but not limited to, ultraviolet irradiation disinfection, etc. Here, referring to fig. 3, the inner cavity of the lower housing 120 is divided into a first mounting cavity 123 and a second mounting cavity 122, the driving motor 411 is specifically disposed in the second mounting cavity 122, a motor shaft of the driving motor is connected to a shaft of the driving wheel 412 to drive the driving wheel 412, the driving wheel 412 and the tension wheel assembly 420 are both disposed in the first mounting cavity 123, the driving wheel 412 is disposed above the tension wheel 421 and the disinfectant 800, a height position of the driving wheel 412 is substantially parallel to the finger groove 121, and another end of the shaft of the driving wheel 412, which is far away from the driving motor 411, is fixedly connected to an inner sidewall of the second mounting cavity 122, so that the driving wheel 412 is more stably mounted.
Referring to fig. 1 and 2, in the present embodiment, the tension pulley assembly 420 further includes a tension pulley shaft 422, a tension arm 423, a tension arm shaft 424, and a tension elastic member. Wherein, the tension wheel 421 is fixedly connected with the side wall surface of the inner cavity through a tension wheel shaft 422, and the tension wheel 421 can rotate around the tension wheel shaft 422; one end of the tension elastic piece is fixedly connected with the cavity bottom surface of the inner cavity; the middle part of the tension arm 423 is fixedly connected with the side wall surface of the inner cavity through a tension arm shaft 424, two ends of the tension arm 423 can rotate around the tension arm shaft 424, one end of the tension arm 423 is connected with a tension wheel shaft 422, and the other end of the tension arm 423 is connected with one end, far away from the cavity bottom surface of the inner cavity, of the tension elastic part. The tension elastic member is embodied as a tension spring, but in other embodiments, the tension elastic member may be another elastic member capable of stretching and contracting. In the flat state as shown in FIG. 1, tension pulley 421 is in the first higher position, which ensures that isolation diaphragm 300 is tensioned, i.e., indicates that isolation diaphragm 300 above groove 121 is in a stretched flat state; in the pressing state shown in fig. 2, when the finger 900 presses the isolation film 300 downward, the pressed pressing section 310 drives the other portion of the isolation film 300 to move back a small distance, so that the tension wheel 421 is located at the second position lower than the first position, the tension elastic member is stretched, and the stretched tension elastic member enables the pressed pressing section 310 to smoothly rebound to the flat state after the finger 900 leaves.
Referring to fig. 1 to 3, in the present embodiment, the wheel driving device 400 further includes a pinch roller assembly 430, and the pinch roller assembly 430 is disposed beside the tension roller 421 and includes a pinch roller 431, a pinch roller shaft 432, a pinch spring 433, and a pinch spring shaft 434; one end of the pressing shaft is fixed with the side wall surface of the inner cavity, the pressing wheel 431 is connected with the pressing spring shaft 434 through the pressing wheel shaft 432, the pressing spring 433 is sleeved on the pressing spring shaft 434, so that the wheel periphery of the pressing wheel 431 is elastically abutted to the wheel periphery of the capstan 412, and the isolating film 300 is clamped between the pressing wheel 431 and the capstan 412. Thus, the isolating membrane 300 can be more closely attached to the driving wheel 412 by the pressing action of the pressing wheel 431, so that the purposes of better driving the isolating membrane 300 to move and preventing slipping are achieved.
Further, referring to fig. 1 and fig. 2, in the present embodiment, the wheel driving device 400 further includes a first guide wheel 441, a second guide wheel 442, and a third guide wheel 443; the first guide wheel 441 is positioned between the driving wheel 412 and the tension wheel 421, is arranged below the driving wheel 412 and is lower than the tension wheel 421; the second guide pulley 442 and the third guide pulley 443 are positioned between the finger slot 121 and the tension pulley 421, wherein the second guide pulley 442 is positioned lower than the tension pulley 421, and the third guide pulley 443 is positioned higher than the tension pulley 421; the separation film 300 is sequentially wound around the driving pulley 412, the first guide pulley 441, the tension pulley 421, the second guide pulley 442, and the third guide pulley 443. In this way, the stretching and moving operation of the barrier film 300 can be made smoother by the guiding action of the guide wheel 440. Specifically, the first guide wheel 441, the second guide wheel 442, and the third guide wheel 443 may be fixedly connected to the inner sidewall of the lower housing 120 through corresponding wheel shafts, and in order to further maintain the horizontal smoothness and the vertical smoothness of the isolation film 300 and ensure the smooth movement and operation of the isolation film 300, the driving wheel 412, the first guide wheel 441, the second guide wheel 442, and the third guide wheel 443 define a rectangular area, the four corners of the rectangular area are occupied by the driving wheel 412 and the third guide wheel 443, respectively, and are respectively disposed at two sides of the finger slot 121, the heights of the first guide wheel 441 and the second guide wheel 442 are the same, the first guide wheel 441 is located directly below the driving wheel 412, the second guide wheel 442 is located directly below the third guide wheel 443, and the first guide wheel 441, the second guide wheel 442, and the tension wheel assembly 420 are all immersed in the disinfectant 800.
However, the design is not limited thereto, and in other embodiments, wheel drive 400 may have other possible structural designs. As shown in fig. 4 and 5, in another embodiment, the wheel driving device 400 includes a driving wheel assembly 410, a film collecting assembly 450, a film supplying assembly 460 and a guiding wheel 440, the driving wheel assembly 410 includes a driving wheel 412, the driving wheel 412 and the guiding wheel 440 are respectively disposed at two sides of the finger slot 121, the film collecting assembly 450 includes a film collecting disc 451 below the driving wheel 412, and the film supplying assembly 460 includes a film supplying disc 461 below the guiding wheel 440; the separator 300 passes through the guide wheel 440 and the driving wheel 412 in order from the film supply tray 461 and is collected by the film collecting tray 451. Here, the direction indicated by the arrow in fig. 4, that is, the traveling direction of the separator 300 from the film supply reel 461 to the film take-up reel 451 is a predetermined direction in the moving state. The using process of the isolation diaphragm 300 in this embodiment is substantially the same as that of the previous embodiment, and the main difference is that in the previous embodiment, the isolation diaphragm 300 is in an annular belt shape and can be recycled after being sterilized, whereas in this embodiment, the isolation diaphragm 300 provided in the diaphragm disk 461 is clean and uncontaminated, and then the used isolation diaphragm 300 can be continuously recycled to the diaphragm receiving disk 451 through the driving of the driving wheel 412 and the guiding action of the guide wheel 440 by the pressing section 310 of the isolation diaphragm 300, so that the isolation function of the isolation diaphragm 300 can be realized, and a clean section of the isolation diaphragm 300 can be replaced after the detection is finished, and the purpose of preventing cross infection in the measuring process can be further realized.
Further, as shown in fig. 4 and 5, in the present embodiment, the driving wheel assembly 410 further includes a guiding shaft 480, the guiding shaft 480 is sleeved on the axle of the driving wheel 412, the guiding shaft 480 is provided with counting holes 481, and the counting holes 481 are uniformly arranged on the guiding shaft 480 at intervals along the circumferential direction thereof. In addition, the wheel driving device 400 further includes an opto-electronic switch 470, and the opto-electronic switch 470 is disposed beside the guide shaft 480. In this way, the length count can be provided for the MCU (Microcontroller Unit) of the instant oximeter while guided.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An oximeter, comprising:
the shell is provided with an inner cavity and a finger groove arranged on the surface of the shell;
the detection device comprises a plurality of blood oxygen sensors, and the blood oxygen sensors are arranged in the finger grooves;
the isolation film is arranged in a light-transmitting strip shape and comprises a pressing section corresponding to the finger groove; and the number of the first and second groups,
the wheel driving device is arranged in the inner cavity of the shell and is connected with the isolating membrane and can drive the isolating membrane to move;
wherein the isolation membrane comprises a flat state, a pressing state and a moving state; in the flat state, the pressing section is not in contact with the finger, and the wheel driving device stretches the pressing section to be flat and positioned above the finger groove; in the pressing state, the pressing section is pressed by the finger, the pressing section is at least partially attached to the inner wall of the finger groove, and the blood oxygen sensor performs blood oxygen detection on the finger through the isolation film; in the moving state, the finger leaves the finger groove, and the wheel driving device drives the isolating membrane rebounded to the position above the finger groove to move along a preset direction, so that the pressing section contacted with the finger leaves the position above the finger groove and enters the inner cavity.
2. The oximeter of claim 1, wherein said wheel driving means comprises a driving wheel assembly and a tension wheel assembly, said driving wheel assembly comprising a driving motor and a driving wheel connected to said driving motor, said tension wheel assembly comprising a tension wheel;
the isolation film is an annular belt and sequentially wound on the driving wheel and the tension wheel; the inner cavity of the shell is used for storing disinfectant, the driving wheel assembly is positioned above the disinfectant, and the tension wheel assembly and part of the isolation film are soaked in the disinfectant.
3. The oximeter of claim 2, wherein said tension wheel assembly further comprises a tension wheel shaft, a tension arm shaft, and a tension spring; the tension wheel is fixedly connected with the side wall surface of the inner cavity through the tension wheel shaft, and the tension wheel can rotate around the tension wheel shaft; one end of the tension elastic piece is fixedly connected with the cavity bottom surface of the inner cavity; the middle part of the tension arm is fixedly connected with the side wall surface of the inner cavity through the tension arm shaft, two ends of the tension arm can rotate around the tension arm shaft, one end of the tension arm is connected with the tension pulley shaft, and the other end of the tension arm is connected with one end, far away from the cavity bottom surface of the inner cavity, of the tension elastic part;
in the flat state, the tension pulley is in a first position; in the pressed state, the tension pulley is in a second position lower than the first position, and the tension elastic member is stretched.
4. The oximeter of claim 2, wherein the wheel driving device further comprises a pinch wheel assembly, the pinch wheel assembly is arranged beside the tension wheel and comprises a pinch wheel, a pinch wheel shaft, a pinch spring and a pinch spring shaft;
one end of the pressing shaft is fixed with the side wall surface of the inner cavity, the pressing wheel is connected with the pressing spring shaft through the pressing wheel shaft, the pressing spring is sleeved on the pressing spring shaft, so that the peripheral surface of the pressing wheel is elastically abutted to the peripheral surface of the driving wheel, and the isolating film is clamped between the pressing wheel and the driving wheel.
5. The oximeter of claim 2, wherein said wheel drive means further comprises a first guide wheel, a second guide wheel, and a third guide wheel; the first guide wheel is positioned between the driving wheel and the tension wheel, arranged below the driving wheel and positioned lower than the tension wheel; the second guide wheel and the third guide wheel are positioned between the finger slot and the tension wheel, wherein the second guide wheel is positioned lower than the tension wheel, and the third guide wheel is positioned higher than the tension wheel;
the isolating film is wound on the driving wheel, the first guide wheel, the tension wheel, the second guide wheel and the third guide wheel in sequence.
6. The oximeter of claim 1, wherein the wheel driving device comprises a driving wheel assembly, a film collecting assembly, a film supplying assembly and a guiding wheel, the driving wheel assembly comprises a driving wheel, the driving wheel and the guiding wheel are respectively disposed at two sides of the finger slot, the film collecting assembly comprises a film collecting tray disposed below the driving wheel, and the film supplying assembly comprises a film supplying tray disposed below the guiding wheel; the isolating membrane is recovered by the membrane collecting disc after sequentially passing through the guide wheel and the driving wheel by the membrane supplying disc.
7. The oximeter of claim 6, wherein said driving wheel assembly further comprises a guiding shaft, said guiding shaft is sleeved on a wheel shaft of said driving wheel, and said guiding shaft is provided with a counting hole.
8. The oximeter of claim 7, wherein said wheel driving means further comprises an electro-optical switch, and said electro-optical switch is disposed beside said guide shaft.
9. The oximeter of any one of claims 1-8, wherein two of said blood oxygen sensors are disposed in said finger slot on both sides of said finger pressing position.
10. The oximeter of claim 1, further comprising a control unit comprising a PCB board embedded in said housing, said wheel drive assembly and said detection unit each being electrically connected to said PCB board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803526.3A CN113520384B (en) | 2021-07-14 | 2021-07-14 | Oximeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110803526.3A CN113520384B (en) | 2021-07-14 | 2021-07-14 | Oximeter |
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| CN113520384A true CN113520384A (en) | 2021-10-22 |
| CN113520384B CN113520384B (en) | 2023-05-09 |
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| CN202110803526.3A Active CN113520384B (en) | 2021-07-14 | 2021-07-14 | Oximeter |
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| CN113520384B (en) | 2023-05-09 |
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Effective date of registration: 20231223 Address after: 535000 Guangxi Zhuang Autonomous Region Qinzhou China (Guangxi) Free Trade Pilot Zone Qinzhou Port Area Zhongma Qinzhou Industrial Park Zhongma Avenue 5 International Science and Technology Park Building 7, 3rd floor Patentee after: Guangxi Kaier Medical Technology Co.,Ltd. Address before: 523000 704, building 5, Changping jewelry culture industry center, No. 568, Huanchang North Road, Changping Town, Dongguan City, Guangdong Province Patentee before: Dongguan ruishengxin Technology Co.,Ltd. Patentee before: Zhang Chao |
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