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CN-121971082-A - Finger-clamping oximeter for measuring blood oxygen level

CN121971082ACN 121971082 ACN121971082 ACN 121971082ACN-121971082-A

Abstract

The invention relates to the technical field of oximeters, in particular to a finger-clamping type oximeter for measuring the oxygen level, which comprises an oximeter lower shell, wherein an oximeter upper shell is rotationally connected to the surface of the oximeter lower shell, a display screen is arranged on the surface of the oximeter upper shell, a switch is arranged on the surface of the oximeter upper shell, an adjusting mechanism is arranged on the surface of the oximeter lower shell, side clamping mechanisms are arranged on the surfaces of the oximeter lower shell and the oximeter upper shell, a positioning mechanism is arranged on the surface of the oximeter lower shell, and the adjusting mechanism comprises a guide frame. According to the invention, the adjusting screw is rotated, the limiting support is driven to move through the square nut and the limiting connecting rod, so that the position of the second sliding block is changed, the precompression amount of the first spring is further adjusted, the stepless adjustment of the clamping force is realized, the over-tightening or the insufficient fitting is avoided, and the measurement accuracy, the wearing comfort level and the adaptability to different finger thicknesses are remarkably improved.

Inventors

  • Rao Yaozheyu
  • TONG BING

Assignees

  • 湖南省骏北科技有限公司

Dates

Publication Date
20260505
Application Date
20260227

Claims (10)

  1. 1. The finger-clipping oximeter for measuring the blood oxygen level is characterized by comprising an oximeter lower shell (1), an oximeter upper shell (11) is rotatably connected to the surface of the oximeter lower shell (1), a display screen (12) is arranged on the surface of the oximeter upper shell (11), a switch (13) is arranged on the surface of the oximeter upper shell (11), an adjusting mechanism is arranged on the surface of the oximeter lower shell (1), a side clipping mechanism is arranged on the surface of the oximeter lower shell (1) and the surface of the oximeter upper shell (11), a positioning mechanism is arranged on the surface of the oximeter lower shell (1), the adjusting mechanism comprises a guide frame (2), the guide frame (2) is fixedly connected to the surface of the oximeter lower shell (1), a guide rod (21) is fixedly connected to the surface of the guide frame (2), a first sliding block (22) is slidingly connected to the surface of the guide rod (21), a second sliding block (24) is connected to the surface of the guide rod (22), a connecting block (24) is rotatably connected to the surface of the first sliding block (22), and one end of the connecting block (24) is fixedly connected to the surface of the guide rod (24), the utility model discloses a blood oxygen meter, including first sliding block (26), second sliding block (26), first spring (25) of fixedly connected with on the surface, first spring (25) keep away from the one end fixedly connected with of second sliding block (26) on the surface of first sliding block (22), the one end fixedly connected with spacing support (27) on the surface of second sliding block (26), the bottom fixedly connected with bottom plate (28) of spacing support (27), fixedly connected with supporting shoe (3) on the surface of casing (1) under the blood oxygen meter, the rotation is connected with adjusting screw (31) on the surface of supporting shoe (3), threaded connection has square nut (32) on the surface of adjusting screw (31), the rotation is connected with spacing connecting rod (33) on the surface of square nut (32), the one end rotation that square nut (32) were kept away from to spacing connecting rod (33) is connected on bottom plate (28), threaded connection has locking bolt (34) on the surface of supporting shoe (3).
  2. 2. The finger-clipping oximeter for measuring blood oxygen level according to claim 1, wherein the side clipping mechanism comprises a vertical screw rod (4), the vertical screw rod (4) is rotatably connected to the surfaces of a lower oximeter shell (1) and an upper oximeter shell (11), a lifting block (41) is connected to the surface of the vertical screw rod (4) in a threaded manner, a limiting block (42) is inserted into the surface of the lifting block (41), a side clipping block (43) is fixedly connected to the surface of the limiting block (42), a soft cushion (44) is arranged on the surface of the side clipping block (43), a second spring (45) is fixedly connected to the surface of the lifting block (41), a limiting round rod (46) is fixedly connected to the surface of the second spring (45), and the limiting round rod (46) is connected to the surface of the lifting block (41) in a sliding manner.
  3. 3. The finger-clip oximeter of claim 1, wherein said positioning mechanism comprises a transverse screw (5), said transverse screw (5) is rotatably connected to the surface of the lower housing (1) of the oximeter, a moving block (51) is screwed to the surface of said transverse screw (5), a rotating shaft (52) is rotatably connected to the surface of said moving block (51), a telescopic rod (53) is fixedly connected to the surface of said rotating shaft (52), a torsion spring (54) is fixedly connected to the surface of said telescopic rod (53), one end of said torsion spring (54) far from said telescopic rod (53) is fixedly connected to the surface of said moving block (51), and a positioning rod (55) is fixedly connected to the telescopic end of said telescopic rod (53).
  4. 4. The finger-clip oximeter for measuring blood oxygen level according to claim 1, wherein the surface of the lower oximeter shell (1) is provided with a guide hole, the first sliding block (22) and the second sliding block (26) slide on the guide hole of the lower oximeter shell (1) through a guide rod (21), the first sliding block (22) drives one end of the adjusting connecting rod (23) to move and rotate in the sliding process, and the adjusting connecting rod (23) drives the upper oximeter shell (11) to rotate on the lower oximeter shell (1) through a rotary matching connecting block (24).
  5. 5. The finger-clip oximeter of claim 1, wherein the first spring (25) applies elastic force to the first sliding block (22) at one end of the second sliding block (26), the limiting support (27) is integrally U-shaped and limits the position of the second sliding block (26) on the guiding frame (2) at one side of the lower housing (1) of the oximeter, and the square nut (32) is matched with the upper bottom plate (28) on the adjusting screw (31) through the limiting connecting rod (33) to limit the position of the limiting support (27) at one side of the lower housing (1) of the oximeter.
  6. 6. The finger-clip oximeter of claim 1, wherein the adjusting screw (31) slides on the surface of the lower case (1) of the oximeter by driving a square nut (32) by rotation, the square nut (32) moves and rotates by driving one end of a limit link (33) by sliding, and the limit link (33) moves laterally on one side of the lower case (1) of the oximeter by driving a limit bracket (27) by rotation, and the locking bolt (34) is pressed on the surface of the adjusting screw (31) by rotating on the supporting block (3).
  7. 7. The finger-clipping oximeter for measuring blood oxygen level according to claim 2, wherein the side clamping blocks (43) and the soft cushion (44) are arranged on two groups and are respectively arranged on one side of the oximeter lower shell (1) and one side of the oximeter upper shell (11), the vertical screw (4) drives the lifting blocks (41) to lift the oximeter lower shell (1) and the oximeter upper shell (11) through rotation, and the lifting blocks (41) drive the side clamping blocks (43) and the soft cushion (44) to lift synchronously through the limiting blocks (42).
  8. 8. The finger-clip oximeter for measuring blood oxygen level as defined in claim 2, wherein a limiting hole is formed in the surface of the lifting block (41), the limiting block (42) is integrally inserted into the limiting hole of the lifting block (41) in an L shape, a circular hole is formed in the surface of the limiting block (42), the elastic force of the second spring (45) acts on the limiting round rod (46), and the limiting round rod (46) is inserted into the circular hole of the limiting block (42).
  9. 9. A finger-clip oximeter for measuring blood oxygen level according to claim 3, wherein the transverse screw (5) is driven to slide on the surface of the lower housing (1) of the oximeter by rotating the moving block (51), and the moving block (51) drives the telescopic rod (53) and the positioning rod (55) to move on the surface of the lower housing (1) of the oximeter by the rotating shaft (52).
  10. 10. A finger-clip oximeter for measuring blood oxygen level according to claim 3, wherein the elastic force of the torsion spring (54) acts on the positioning rod (55) through the telescopic rod (53), the positioning rod (55) rotates on the moving block (51) through the telescopic rod (53), and the positioning rod (55) moves on one side of the oximeter lower case (1) through the telescopic end of the telescopic rod (53).

Description

Finger-clamping oximeter for measuring blood oxygen level Technical Field The invention relates to the technical field of oximeters, in particular to a finger-clip type oximeter for measuring blood oxygen level. Background Blood oxygen saturation (SpO 2) is an important physiological parameter reflecting the respiratory cycle function of a human body, and the finger-clip type oximeter is used as noninvasive, convenient and rapid blood oxygen monitoring equipment and is widely applied to multiple fields such as family health care, hospital clinic, sports health, plateau environment adaptability evaluation and the like. The basic working principle is based on spectrophotometry, and the numerical value of the oxygen saturation of bleeding is calculated by transmitting red light and infrared light with specific wavelengths through fingertips and utilizing the difference of the absorptivity of oxyhemoglobin (HbO 2) and deoxyhemoglobin to light. The common finger clip type oximeter in the market at present generally adopts an integrated elastic structure, a metal or plastic elastic sheet is arranged in the shell, a user can put fingers into the shell by pinching the upper shell and the lower shell, after the user releases the hands, the user can generate clamping force by means of the elastic restoring force of the elastic sheet, the fingers are fixed between the sensor (comprising a transmitting end and a receiving end) so as to measure, the clamping force cannot be adjusted, when the clamping force is too large, the capillary vessel of the fingertip is excessively pressed, the normal circulation of local blood is influenced, pain and discomfort of the user are caused, the measured blood oxygen value is more likely to be lower than the real level, misjudgment of 'false hypoxia' is caused, when the clamping force is too small, the tight attachment of the sensor and the fingers is not guaranteed, the signals are unstable easily caused due to poor contact or external light interference, reading is jumped, measurement failure or equipment is dropped, and the continuity and accuracy of monitoring are seriously influenced, so the finger clip type oximeter for measuring the blood oxygen level is required to be designed to solve the problems. Disclosure of Invention The invention aims to provide a finger-clamping type oximeter for measuring blood oxygen level, which aims to solve the problems of poor measurement accuracy, low wearing comfort and limited application range caused by the fixed clamping force of the existing finger-clamping type oximeter in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the finger-clamping oximeter for measuring the level of blood oxygen comprises an oximeter lower shell, wherein an oximeter upper shell is rotationally connected to the surface of the oximeter lower shell, a display screen is arranged on the surface of the oximeter upper shell, a switch is arranged on the surface of the oximeter upper shell, an adjusting mechanism is arranged on the surface of the oximeter lower shell, side clamping mechanisms are arranged on the surface of the oximeter lower shell and the surface of the oximeter upper shell, a positioning mechanism is arranged on the surface of the oximeter lower shell, the adjusting mechanism comprises a guide frame, the guide frame is fixedly connected to the surface of the oximeter lower shell, a guide rod is fixedly connected to the surface of the guide frame, a first sliding block is connected to the surface of the guide rod in a sliding manner, an adjusting connecting rod is rotationally connected to the surface of the first sliding block, one end of the adjusting connecting rod, which is far away from the first sliding block, is rotationally connected to the surface of the connecting block, a second sliding block is connected to the surface of the guide rod, a second sliding block is connected to the surface of the second sliding block is connected to the second sliding block, a square screw is connected to the surface of the second sliding block is fixedly connected to the first sliding block, a square screw is connected to the surface of the second sliding block is connected to the second sliding block is fixedly connected to the second sliding block is connected to the second sliding block, the square screw is connected to the square screw is fixedly connected to the top of the second sliding block is connected to the second sliding block, and the square screw is fixedly connected to the square screw nut, and the screw nut is fixedly connected to the screw nut to the screw down the measuring nut. One end of the limiting connecting rod, which is far away from the square nut, is rotationally connected to the bottom plate, and the surface of the supporting block is in threaded connection with a locking bolt. Preferably, the side clamping mechanism comprises a vertical screw rod, the