Multifunctional blood pressure measuring device

Abstract

A multifunctional blood pressure measuring device comprises a blood pressure measuring body and a body fluid collecting unit. The blood pressure measuring main body is worn on a measured part of a subject and measures blood pressure information. The blood pressure measuring body comprises a tunnel cylinder, and the tunnel cylinder is provided with a tunnel hole for a measured part to penetrate through. The tunnel cylinder comprises a fixed cylinder and a movable cover movably connected to the fixed cylinder. When the movable cover is closed relative to the fixed cylinder, a tunnel hole is defined, and when the movable cover is opened relative to the fixed cylinder, at least part of the measured part is exposed. At least part of the body fluid collecting unit is in operable connection with the blood pressure measuring body, and the body fluid collecting unit pierces the exposed measured part and collects body fluid.

Description

Technical Field

[0001] This application relates to the field of medical testing, and more particularly to a multifunctional blood pressure measuring device. Background Technology

[0002] A sphygmomanometer is an instrument for measuring blood pressure and can provide important reference for the diagnosis and treatment of various clinical diseases. However, the functions of this type of sphygmomanometer are still relatively limited, and it does not provide other functions such as sampling (e.g., blood sampling). Utility Model Content

[0003] To address the above shortcomings, it is necessary to provide a multifunctional blood pressure measuring device.

[0004] This application provides a multifunctional blood pressure measuring device, including a blood pressure measuring body and a body fluid collection unit. The blood pressure measuring body is configured to be worn on the measurement site of a subject and to measure blood pressure information. The blood pressure measuring body includes a tunnel tube. The tunnel tube has a tunnel hole through which the measurement site passes. The tunnel tube includes a fixed tube and a movable cover movably connected to the fixed tube. When the fixed tube is closed, the movable cover forms the tunnel hole; when the fixed tube is open, at least a portion of the measurement site is exposed. At least a portion of the body fluid collection unit is operatively connected to the blood pressure measuring body, and the body fluid collection unit is configured to puncture the exposed measurement site and collect body fluid.

[0005] In some possible implementations, the fixing cylinder includes a first fixing part and a second fixing part connected along a first direction, which is the axial direction of the tunnel hole. The first fixing part is configured to be closer to the subject than the second fixing part. The first fixing part has a notch, and a movable cover is rotatably connected to the edge of the notch. The blood pressure measuring body also includes an air bladder disposed within the second fixing part.

[0006] In some possible implementations, the multifunctional blood pressure measuring device also includes an infrared heating unit located on the side of the movable cover facing the first fixed part.

[0007] In some possible implementations, the movable cover includes a cover body and a protrusion that protrudes from the cover body away from the first fixed portion. The infrared heating unit is housed within the protrusion.

[0008] In some possible implementations, the multifunctional blood pressure measuring device also includes a disinfectant application unit located on the side of the movable cover facing the first fixed part.

[0009] In some possible implementations, the multifunctional blood pressure measuring device further includes a protective film application unit, which includes a support member, a first drive member, a protective film, and a second drive member. The support member is slidably connected to the outer wall of the second fixed part. The first drive member is connected to the support member and configured to drive the support member to slide above the notch. The protective film is disposed on the support member. The second drive member is disposed on one side of the protective film and configured to drive the protective film toward the measurement site, thereby applying the protective film to the measurement site.

[0010] In some possible implementations, the support includes a driving wheel and a driven wheel spaced apart along a second direction perpendicular to the first direction. The protective film application unit also includes a protective film assembly. The protective film assembly includes a release layer and a plurality of protective films spaced apart on the release layer, with the ends of the release layer wrapped around the driving wheel and the driven wheel, respectively. The driving wheel is configured to selectively move a protective film above the measurement area during rotation.

[0011] In some possible implementations, the body fluid collection unit includes a body fluid collection body, a negative pressure collection tube, and a sealing connector. The body fluid collection body is configured to puncture the measurement site and collect body fluid. The negative pressure collection tube is configured to contain the collected body fluid. The sealing connector is configured to seal and connect to both the negative pressure collection tube and the body fluid collection body. The body fluid collection unit is detachably connected to the blood pressure measurement body via the sealing connector.

[0012] In some possible implementations, the blood pressure measuring unit also includes a negative pressure generating unit, a first valve, and a second valve. The first valve is connected between the air bladder and the negative pressure generating unit, selectively connecting the air bladder to the negative pressure generating unit or the external environment. The second valve is connected between the negative pressure generating unit and a sealing connector, selectively connecting the negative pressure generating unit to the sealing connector or the external environment.

[0013] In some possible implementations, the multifunctional blood pressure measurement device also includes a body fluid analysis unit configured to analyze the biological composition information of the body fluid within the negative pressure collection tube. The body fluid analysis unit is operatively connected to the body fluid collection unit.

[0014] In some possible implementations, the multifunctional blood pressure measurement device also includes a sensing chip integrated into a body fluid acquisition unit or a body fluid analysis unit. The sensing chip is configured to contact the body fluid and acquire biological component information, and the body fluid analysis unit is communicatively connected to the sensing chip.

[0015] In the multifunctional blood pressure measuring device of this application, the blood pressure measuring body can measure the blood pressure information of the subject, and when the movable cover is opened relative to the fixed cylinder, the body fluid collection unit can puncture the exposed measurement site and collect body fluid. Therefore, the multifunctional blood pressure measuring device of this application can have both blood pressure measurement and body fluid collection functions. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a multifunctional blood pressure measuring device provided in one embodiment of this application.

[0017] Figure 2 for Figure 1 The diagram shows the structure of the multi-functional blood pressure measuring device after the pull-out section is opened.

[0018] Figure 3 for Figure 1 The diagram shows the structure of the multi-functional blood pressure measuring device after the movable cover is opened.

[0019] Figure 4 for Figure 1 The diagram shows the gas path of the multifunctional blood pressure measuring device.

[0020] Figure 5 for Figure 3 or Figure 4 An exploded view of the body fluid collection unit shown.

[0021] Figure 6 for Figure 3 The diagram shows the structure of the protective film application unit of the multifunctional blood pressure measuring device after it has slid.

[0022] Figure 7 for Figure 6 The diagram shows the structure of the protective film assembly of the protective film application unit after it has been unfolded.

[0023] Figure 8 for Figure 1 The diagram shows the modular architecture of a multifunctional blood pressure measuring device.

[0024] Explanation of main component symbols

[0025] 10. Housing; 11. Pull-out section; 12. Display screen; 13. Buttons; 20. Blood pressure measuring body; 21. Tunnel tube; 22. Airbag; 23. Negative pressure generating unit; 24. First valve; 25. Second valve; 30. Body fluid collection unit; 31. Body fluid collection body; 32. Negative pressure collection tube; 33. Sealing connector; 40. Infrared heating unit; 50. Disinfectant application unit; 51. Disinfectant storage tank; 60. Protective film application unit; 61. Support; 62. Protective film assembly; 63. Second drive unit; 64. Connector. ; Spacer, 65; Body fluid analysis unit, 70; Wire, 71; Sensing chip, 80; Control unit, 90; Multifunctional blood pressure measuring device, 100; Tunnel hole, 210; Fixed cylinder, 211; Movable cover, 212; Pipe, 330; Cover, 610; Drive wheel, 611; Driven wheel, 612; Release layer, 621; Protective film, 622; First fixing part, 2111; Second fixing part, 2112; Cover, 2121; Protrusion, 2122; Notch, C; Slide rail, S; First direction, X; Second direction, Y.

[0026] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this application. Detailed Implementation

[0027] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0028] It should be noted that when a component is considered "set on" another component, it can be directly set on the other component or may have an intervening component present; when a component is considered "installed on" another component, it can be directly installed on the other component or may have an intervening component present. The term "and / or" as used herein includes all and any combination of one or more of the related listed items.

[0029] Please see Figures 1 to 3 This application provides a multifunctional blood pressure measuring device 100 according to one embodiment. The multifunctional blood pressure measuring device 100 includes a housing 10 and a blood pressure measuring body 20 disposed on the housing 10. The blood pressure measuring body 20 is worn on the subject's measurement site (e.g., arm) and measures blood pressure information. The blood pressure measuring body 20 includes a tunnel cylinder 21 with a tunnel hole 210 for the measurement site to pass through. The blood pressure measuring body 20 also includes an air bladder 22 disposed on the inner wall of the tunnel hole 210 and a negative pressure generating unit 23 connected to the air bladder 22. Figure 4(As shown in the figure). The negative pressure generating unit 23 is used to inflate and pressurize the airbag 22 upon activation, so that the airbag 22 can compress blood vessels and block blood flow, thereby measuring the blood flow pressure of the blood vessel wall to obtain the subject's blood pressure information. In some embodiments, the negative pressure generating unit 23 can be an air pump, which can be housed within the housing 10.

[0030] like Figures 1 to 3 As shown, the tunnel cylinder 21 includes a fixed cylinder 211 and a movable cover 212 movably connected to the fixed cylinder 211. When the fixed cylinder 211 is closed, the movable cover 212 forms a tunnel opening 210; when the fixed cylinder 211 is open, at least a portion of the measurement site is exposed. The multifunctional blood pressure measuring device 100 also includes a body fluid collection unit 30, at least a portion of which is operably connected to the blood pressure measuring body 20. In this embodiment, "operable connection" means that at least a portion of the body fluid collection unit 30 can be connected to the blood pressure measuring body 20 via a connection method other than a rigid connection, allowing the body fluid collection unit 30 to be operated during use. The body fluid collection unit 30 is used to puncture the exposed measurement site and collect body fluid (such as a blood sample or interstitial fluid sample). In some embodiments, the movable cover 212 is rotatably connected to the fixed cylinder 211, or can be movably connected to the fixed cylinder 211 in other ways. For example, the movable cover 212 can also be detachably connected to the fixed cylinder 211, and during body fluid collection, the subject or other person removes the movable cover 212 to expose at least part of the measurement site. In some embodiments, the body fluid collection unit 30 can be housed within the housing 10 to improve the structural integration of the multifunctional blood pressure measuring device 100, and during use, the subject or other person removes the body fluid collection unit 30 from the housing 10.

[0031] Among them, such as Figure 5As shown, the body fluid collection unit 30 may include a body fluid collection body 31 and a negative pressure collection tube 32. The body fluid collection body 31 is equipped with a puncture device (such as a puncture needle, not shown), which can puncture the measurement site and collect body fluid. The negative pressure collection tube 32 is sealed to the body fluid collection body 31. The negative pressure collection tube 32 is under negative pressure, thus creating a pressure difference between its inside and outside. This allows the body fluid collected by the body fluid collection body 31 to enter the negative pressure collection tube 32 under the influence of the pressure difference, and the negative pressure collection tube 32 can contain the collected body fluid. In some embodiments, the body fluid collection unit 30 may further include a sealing connector 33, which is sealed to both the negative pressure collection tube 32 and the body fluid collection body 31. The sealing connector 33 is equipped with a pipe 330, through which the negative pressure generating unit 23 generates negative pressure within the negative pressure collection tube 32 when activated. The pipe 330 can be made of a flexible material, such as silicone or rubber, to facilitate its storage within the housing 10. When blood pressure measurement and body fluid collection are required, the subject or other personnel insert the body fluid collection body 31 and the negative pressure collection tube 32 into the sealing connector 33, thus sealing the body fluid collection body 31, the negative pressure collection tube 32, and the sealing connector 33. When the negative pressure generating unit 23 is activated, negative pressure is generated within the negative pressure collection tube 32 through the pipe 330 of the sealing connector 33. The body fluid collection unit 30 is a disposable unit, detachably connected to the blood pressure measuring body 20 via the sealing connector 33. After use, the body fluid collection body 31 and the negative pressure collection tube 32 can be separated from the sealing connector 33, facilitating subsequent replacement with a new negative pressure collection tube 32 connected to the sealing connector 33.

[0032] In the multifunctional blood pressure measuring device 100 of this application, the blood pressure measuring body 20 can measure the blood pressure information of the subject. When the movable cover 212 is opened relative to the fixed cylinder 211, the body fluid collection unit 30 can puncture the exposed measurement site and collect body fluid. Therefore, the multifunctional blood pressure measuring device 100 of this application can have both blood pressure measurement and body fluid collection functions.

[0033] like Figures 1 to 3As shown, in some embodiments, the fixing cylinder 211 includes a first fixing part 2111 and a second fixing part 2112 connected along a first direction X, which is the axial direction of the tunnel hole 210. In use, the first fixing part 2111 is closer to the subject than the second fixing part 2112. The second fixing part 2112 is closed along the circumferential direction of the tunnel hole 210, and the airbag 22 is disposed within the second fixing part 2112. The first fixing part 2111 has a notch C in the circumferential direction of the tunnel hole 210, and the movable cover 212 is rotatably connected to the edge of the notch C. Therefore, the movable cover 212 can open the notch C when rotating to expose at least part of the measured area, and can also close the notch C when rotating to form the tunnel hole 210.

[0034] In some embodiments, the multifunctional blood pressure measuring device 100 may further include an infrared heating unit 40, which is disposed on the side of the movable cover 212 facing the first fixed part 2111. When the movable cover 212 is opened and before the body fluid collection unit 30 punctures the exposed measurement site, the infrared heating unit 40 can irradiate the exposed measurement site with infrared light, thereby accelerating blood circulation at the measurement site to facilitate subsequent body fluid collection. The infrared heating unit 40 may include one or more infrared lamps.

[0035] The multifunctional blood pressure measuring device 100 may further include a disinfectant application unit 50, which is located on the side of the movable cover 212 facing the first fixed part 2111. When the movable cover 212 is open and before the body fluid collection unit 30 punctures the exposed measurement site, the disinfectant application unit 50 can apply disinfectant to the exposed measurement site to sterilize the skin at that site. The disinfectant application unit 50 may include one or more disinfectant nozzles for spraying disinfectant, such as alcohol or iodine, onto the measurement site. In some embodiments, the housing 10 may also include a disinfectant storage tank 51 connected to the disinfectant application unit 50 via a pipe (not shown), which stores disinfectant. The housing 10 may have a movable pull-out part 11, within which the disinfectant storage tank 51 is located. This pull-out part 11 can be pulled out relative to the housing 10 under external force to facilitate timely replenishment of disinfectant in the storage tank 51 when it is insufficient.

[0036] In some optional embodiments, the movable cover 212 includes a cover body 2121 and a protrusion 2122 that protrudes from the cover body 2121 away from the first fixing portion 2111. The infrared heating unit 40 and the disinfectant application unit 50 can both be accommodated within the protrusion 2122, ensuring that the infrared heating unit 40 and the disinfectant application unit 50 do not protrude from the movable cover 212 after the cover 212 is closed, thus not affecting the blood pressure measurement function. The infrared heating unit 40 includes a plurality of infrared lamps arranged in a matrix, and the disinfectant application unit 50 includes a disinfectant nozzle located at the center of the plurality of infrared lamps.

[0037] like Figures 1 to 3 and Figure 6 As shown, the multifunctional blood pressure measuring device 100 may further include a protective film application unit 60, which includes a support member 61, a protective film 622, a first driving member (not shown), and a second driving member 63. The support member 61 is slidably connected to the outer wall of the second fixing part 2112. The first driving member is connected to the support member 61, and when the movable cover 212 rotates and opens the notch C, the first driving member can drive the support member 61 to slide above the notch C. The protective film 622 is disposed on the support member 61. The second driving member 63 is disposed on one side of the protective film 622, and when the body fluid is collected, the second driving member 63 can drive the protective film 622 to move toward the measurement site, so that the protective film 622 adheres to the measurement site. In some embodiments, the protective film 622 may be a wound dressing or other wound protection film, with its contact surface facing the measurement site. Therefore, when the second driving member 63 drives the protective film 622 to move toward the measurement site, the protective film 622 can adhere to the measurement site. In some embodiments, the support member 61 can be slidably connected to the outer wall of the second fixing part 2112 via a slide rail and a slider. For example, the outer wall of the second fixing part 2112 is provided with a slide rail S, and the support member 61 includes a cover 610 covering the outer wall of the second fixing part 2112. The cover 610 has a sliding part that is slidably connected to the slide rail S, so that the support member 61 can be slidably connected to the outer wall of the second fixing part 2112. Both the first driving member and the second driving member 63 can be cylinders.

[0038] Furthermore, the support member 61 may include a driving wheel 611 and a driven wheel 612 spaced apart along a second direction Y perpendicular to the first direction X. The protective film application unit 60 also includes a protective film assembly 62. Please refer to [reference needed]. Figure 7The protective film assembly 62 includes a release layer 621 and a plurality of protective films 622 spaced apart on the release layer 621. The two ends of the release layer 621 are respectively wound around a drive wheel 611 and a driven wheel 612. When the drive wheel 611 rotates, it drives the release layer 621 to move, and the release layer 621 simultaneously drives the plurality of protective films 622 to move along the extending direction of the release layer 621, thereby selectively moving one protective film 622 above the measurement area. At this time, the second drive member 63 can drive the protective film 622 located above the measurement area to move towards the measurement area, so that the protective film 622 adheres to the measurement area. In some embodiments, the drive wheel 611 can rotate a predetermined angle each time, so that after rotation, one of the protective films 622 can move above the measurement area.

[0039] The support member 61 may further include a connector 64 fixed to the cover 610, and the connector 64 is fixedly disposed on the outer periphery of the driving wheel 611 and the driven wheel 612. The second drive member 63 is fixed to the connector 64, and the connector 64 supports the driving wheel 611 and the driven wheel 612. The drive end of the second drive member 63 passes through the connector 64 and is located between the connector 64 and the release layer 621.

[0040] The support member 61 may further include at least two spacers 65 disposed between the connector 64 and the release layer 621. When the second drive member 63 is not activated, the spacers 65 serve to separate the drive end of the second drive member 63 from the release layer 621, thereby making the movement of the release layer 621 smoother when the drive wheel 611 drives the release layer 621 to move. In some embodiments, there are two spacers 65, which are respectively located on both sides of the drive end of the second drive member 63 in the second direction Y.

[0041] like Figure 4As shown, in some embodiments, the blood pressure measuring body 20 may further include a first valve 24 and a second valve 25. The first valve 24 is connected between the airbag 22 and the negative pressure generating unit 23, selectively connecting the airbag 22 to the negative pressure generating unit 23 or the external environment. The second valve 25 is connected between the negative pressure generating unit 23 and the sealing connector 33, selectively connecting the negative pressure generating unit 23 to the sealing connector 33 or the external environment. More specifically, the second valve 25 can connect the negative pressure generating unit 23 to the sealing connector 33 via a pipe 330. When blood pressure measurement and body fluid collection are required, the first valve 24 connects the airbag 22 to the negative pressure generating unit 23, and the second valve 25 connects the negative pressure generating unit 23 to the sealing connector 33 of the body fluid collection unit 30. The negative pressure generating unit 23 is activated, causing the gas in the negative pressure collection tube 32 to be pumped into the airbag 22. Since the volume of the negative pressure collection tube 32 is usually smaller than the volume of the airbag 22, the air pressure in the negative pressure collection tube 32 will first reach a negative pressure state. Then, the second valve 25 connects the negative pressure generating unit 23 to the external environment, and the negative pressure generating unit 23 continues to operate, causing the gas in the external environment to be pumped into the airbag 22 until the air pressure in the airbag 22 reaches the set air pressure to complete the blood pressure measurement. Then, the first valve 24 connects the airbag 22 to the external environment, and the airbag 22 completes the air pressure release. In some embodiments, since the volume of the negative pressure collection tube 32 is usually constant, that is, it can reach a negative pressure state after a certain period of time, the second valve 25 can connect the negative pressure generating unit 23 to the external environment after a certain period of time. Both the first valve 24 and the second valve 25 can be three-way valves.

[0042] It is understandable that in some cases, when only blood needs to be measured and no body fluid collection is required, the operation of the first valve 24 can be referred to the above description, while the second valve 25 keeps the negative pressure generating unit 23 connected to the external environment. Therefore, the gas in the external environment is pumped into the airbag 22 until the air pressure inside the airbag 22 reaches the set air pressure to complete the blood pressure measurement.

[0043] like Figure 8 As shown, in some embodiments, the multifunctional blood pressure measuring device 100 may further include a body fluid analysis unit 70, which is operatively connected to the body fluid collection unit 30. The body fluid analysis unit 70 is used to analyze the biological component information of the body fluid within the negative pressure collection tube 32. Thus, the multifunctional blood pressure measuring device 100 also integrates body fluid analysis functionality, making its functions more comprehensive. The biological component information may include blood glucose information, blood lipid information, blood oxygen information, etc.

[0044] The multifunctional blood pressure measuring device 100 may further include a sensing chip 80, which may be integrated into the body fluid collection unit 30. The sensing chip 80 can contact body fluid and collect and acquire information on the biological components of the body fluid. A body fluid analysis unit 70 is communicatively connected to the sensing chip 80; for example, the body fluid analysis unit 70 can be connected to the sensing chip 80 via a wire 71, thus allowing the body fluid analysis unit 70 to acquire and analyze the biological component information from the sensing chip 80. The sensing chip 80 may be disposed on the body fluid collection body 31. The wire 71 extends from the body fluid collection body 31 and can be housed within the housing 10, thereby improving the structural integration of the multifunctional blood pressure measuring device 100. Optionally, the wire 71 may be integrated into the aforementioned... Figure 5 The fluid analysis unit 70 can be a processor with data processing capabilities, located within the pipe 330 shown. In some embodiments, the sensing chip 80 can also be integrated into the fluid analysis unit 70. In other embodiments, the housing 10 may also have a slot (not shown), in which the sensing chip 80 can be disposed. During fluid analysis, a test strip can be used to collect a portion of the fluid from the negative pressure collection tube 32, and the test strip can be inserted into the slot, allowing the sensing chip 80 to collect and acquire information on the biological components of the fluid on the test strip.

[0045] like Figures 1 to 3 As shown, in some embodiments, the housing 10 may also be equipped with a display screen 12. The display screen 12 is used to display the analysis results of the body fluid analysis unit 70 in real time for viewing by the subject or relevant personnel. The housing 10 may also be equipped with multiple buttons 13. One button 13 is used to control the negative pressure generating unit 23 to start when operated, thereby performing a blood pressure test. Another button 13 is used to control the infrared heating unit 40 to start emitting infrared rays when operated, thereby irradiating the measured area with infrared rays. Another button 13 is used to control the disinfectant application unit 50 to apply disinfectant when operated, thereby sterilizing the skin at the measured area. Finally, another button 13 is used to control the protective film application unit 60 to start when operated, including controlling the first driving member, the driven wheel 612, and the second driving member 63 to work, thereby attaching the protective film 622 to the measured area. In some embodiments of this application, the movable cover 212 can be opened or closed manually. However, it is understood that additional buttons 13 can be added to the housing 10 to control the movable cover 212 to open automatically when operated, thereby improving the automation level of the multifunctional blood pressure measuring device 100. These buttons can be mechanical buttons or touch buttons.

[0046] like Figure 8As shown, a control unit 90 may also be provided within the housing 10. This control unit 90 is electrically connected to each button 13 to control the corresponding functional unit to start working when each button 13 is pressed. The control unit 90 may also be electrically connected to the first valve 24 and the second valve 25 to control the corresponding operation of the first valve 24 and the second valve 25. The control unit 90 may be a processor, which may be a Central Processing Unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or any conventional processor. In other embodiments, the control unit 90 and the body fluid analysis unit 70 may also be integrated into one unit.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this application without departing from the spirit and scope of the technical solutions of this application.

Claims

1. A multi-functional blood pressure measuring device, characterized by, The multifunctional blood pressure measuring device comprises: a blood pressure measuring body configured to be worn on a measured part of a subject and to measure blood pressure information, the blood pressure measuring body comprising a tunnel barrel provided with a tunnel hole for the measured part to pass through, the tunnel barrel comprising a fixed barrel and a movable cover movably connected to the fixed barrel, the movable cover surrounding the tunnel hole when closed relative to the fixed barrel, and the movable cover exposing at least part of the measured part when opened relative to the fixed barrel; and a body fluid collecting unit, at least part of which is operatively connected to the blood pressure measuring body, the body fluid collecting unit being configured to pierce the exposed measured part and collect body fluid. The fixed barrel comprises a first fixed part and a second fixed part connected along a first direction, the first direction being the axial direction of the tunnel hole, the first fixed part being configured to be closer to the subject relative to the second fixed part, the first fixed part being provided with a notch, and the movable cover being rotationally connected to the edge of the notch; the blood pressure measuring body further comprises an air bag arranged in the second fixed part.

2. The multi-functional blood pressure measuring device as claimed in claim 1, wherein, The multifunctional blood pressure measuring device further comprises an infrared heating unit arranged on the side of the movable cover facing the first fixed part.

3. The multi-functional blood pressure measuring device as claimed in claim 2, wherein, The movable cover comprises a cover body and a protruding part protruding away from the first fixed part relative to the cover body, and the infrared heating unit is accommodated in the protruding part.

4. The multi-functional blood pressure measuring device as claimed in claim 3, wherein, The multifunctional blood pressure measuring device further comprises a disinfectant liquid applying unit arranged on the side of the movable cover facing the first fixed part.

5. The multi-functional blood pressure measuring device as claimed in claim 2, wherein, The multifunctional blood pressure measuring device further comprises a protective film applying unit, which comprises:

6. The multi-functional blood pressure measuring device as claimed in claim 2, wherein, a support member slidingly connected to the outer wall of the second fixed part; a first driving member connected to the support member and configured to drive the support member to slide above the notch; a protective film arranged on the support member; and a second driving member arranged on one side of the protective film and configured to drive the protective film to move towards the measured part so that the protective film is applied to the measured part. The support member comprises a driving wheel and a driven wheel arranged in a second direction perpendicular to the first direction, and the protective film applying unit further comprises a protective film assembly comprising a release layer and a plurality of protective films arranged on the release layer, both ends of the release layer being wound around the driving wheel and the driven wheel, and the driving wheel being configured to selectively move one of the protective films above the measured part when rotating.

7. The multi-functional blood pressure measurement device of claim 6, wherein, The body fluid collecting unit comprises:

8. The multi-functional blood pressure measuring device as claimed in claim 2, wherein, a body fluid collecting body configured to pierce the measured part and collect body fluid; a negative pressure collecting tube configured to accommodate the collected body fluid; and a sealing connector configured to be sealingly connected to the negative pressure collecting tube and the body fluid collecting body, respectively; the body fluid collecting unit is detachably connected to the blood pressure measuring body through the sealing connector. The blood pressure measuring body further comprises:

9. The multi-functional blood pressure measurement device of claim 8, wherein, a negative pressure generating unit; ​ a first valve connected between the air bag and the negative pressure generating unit, the first valve selectively connecting the air bag with the negative pressure generating unit or the external environment; and a second valve connected between the negative pressure generating unit and the sealed connecting member, the second valve selectively connecting the negative pressure generating unit with the sealed connecting member or the external environment.

10. The multi-functional blood pressure measurement device of claim 8, wherein, The multifunctional blood pressure measuring device further comprises: a body fluid analysis unit configured to analyze biological component information of the body fluid in the negative pressure collection tube, the body fluid analysis unit being operatively connected with the body fluid collection unit.

11. The multi-functional blood pressure measurement device of claim 10, wherein, The multifunctional blood pressure measuring device further comprises a sensing chip integrated on the body fluid collection unit or the body fluid analysis unit, the sensing chip being configured to contact the body fluid and acquire the biological component information, the body fluid analysis unit being communicatively connected with the sensing chip.

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