Novel sphygmomanometer wrist strap air bag structure

Abstract

The utility model discloses a novel sphygmomanometer wrist strap air bag structure which comprises a first air bag used in cooperation with a sphygmomanometer wrist strap, and a connecting piece used for being connected with the sphygmomanometer wrist strap is arranged on the first air bag. The device further comprises a second air bag communicated with the first air bag, the side wall of the second air bag is used for being attached to the wrist of a user, a first connector is arranged on the first air bag and used for air inlet or air outlet of the air bag, and a second connector is arranged on the second air bag and connected with an external pressure measuring sensor. The second air bag is arranged in an arc shape. Air flow enters the two air bags through the first connector, the second air bag is forced to extrude a wrist blood vessel of a user, information fed back by blood flow in the blood vessel is transmitted to the second connector through the second air bag and is finally fed back to the pressure measuring sensor for data detection, and in this way, the air flow can flow circularly in the air bags more stably; during detection, all parts of the air bag can be attached to the wrist of a user, and the stability and accuracy of blood pressure measurement are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sphygmomanometers, and in particular discloses a novel sphygmomanometer wristband airbag structure. Background Art

[0002] The blood pressure monitor wristband in the prior art generally has one to two layers of airbag structure, and one or two gas interfaces are provided on the same airbag layer. In addition, the surface of the airbag is a plane that does not fit the wrist. Therefore, when an airbag wristband with a gas interface is worn on the hand to measure blood pressure, the air intake, air deflation and sensor detection share the interface, resulting in many interference factors and inaccurate measurement results. The flat airbag will deform after fitting the wrist, resulting in different airbag thicknesses and thus affecting the detection results. Utility Model Content

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a novel blood pressure monitor wristband airbag structure to solve the shortcoming of large detection data error in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides a novel blood pressure monitor wristband airbag structure, including a first airbag used in conjunction with the blood pressure monitor wristband, the first airbag being provided with a connector for connecting to the blood pressure monitor wristband; and also including a second airbag connected to the first airbag, the side wall of the second airbag being used to fit the wrist of the user, the first airbag being provided with a first interface, the first interface being used for air intake or exhaust of the airbag, the second airbag being provided with a second interface, the second interface being connected to an external pressure sensor; the first airbag and / or the second airbag being arranged in an arc shape.

[0005] Furthermore, a first through hole is provided between the first airbag and the second airbag, and external airflow enters the first airbag through the first interface and enters the second airbag through the first through hole so that the side wall of the second airbag fits the wrist of the user.

[0006] Furthermore, the number of the through holes is two, three, four or five.

[0007] Furthermore, the first through hole is arranged away from the first interface of the first airbag.

[0008] Furthermore, the second interface is arranged at an end of the second airbag away from the first through hole.

[0009] Furthermore, the connecting member includes a first connecting member and a second connecting member respectively arranged at two ends of the first airbag far away from each other, and the first connecting member and the second connecting member are used to limit the first airbag and the second airbag on the external blood pressure monitor wristband.

[0010] Furthermore, the connecting member is a pin, and the pin is used to be plugged into and matched with a pin hole on an external blood pressure monitor wristband, and the airbag is detachably connected to the external blood pressure monitor wristband via the pin.

[0011] Furthermore, the first connecting member and the second connecting member have different sizes and / or shapes.

[0012] Furthermore, a cylindrical protrusion is pressed onto the outer wall of the first airbag through a hot pressing process, a first interface is arranged on the cylindrical protrusion and passes through the cylindrical protrusion, and the first interface is connected to the inner cavity of the first airbag; the cylindrical protrusion is provided with a snap-in groove for cooperating with an external air pump for installation.

[0013] Furthermore, an extension portion connected to the inner cavity of the airbag is provided at the end of the airbag, the cross-sectional area of ​​the extension portion is smaller than the cross-sectional area of ​​the airbag, the interface is provided on the extension portion, and the extension portions of the two airbags are staggered.

[0014] Furthermore, the first airbag and the second airbag are arranged in a semicircular shape and concentrically.

[0015] The beneficial effects of the utility model are as follows: the utility model provides a first airbag and a second airbag which are internally connected, a first interface is provided on the first airbag, and a second interface is provided on the second airbag, so that airflow enters the two airbags through the first interface, forcing the second airbag to contact the wrist, and finally the feedback information is transmitted to the pressure sensor through the second interface for data detection; in addition, the first airbag and the second airbag have the same structure and are provided in an arc shape that fits the wrist. In this way, the airflow can circulate more stably in the airbag, and each part of the airbag can fit the user's wrist during detection, thereby improving the stability and accuracy of blood pressure measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a left view of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of part A.

[0020] Reference numerals include:

[0021] 1. First airbag; 2. Second airbag; 3. First interface; 4. Second interface; 5. First through hole; 11. First connecting member; 12. Second connecting member; 6. Snap-in groove; 7. Extension portion. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0023] See also Figures 1 to 4 As shown, the utility model is a new type of blood pressure monitor wristband airbag structure, including a first airbag 1 used in conjunction with the blood pressure monitor wristband, the first airbag 1 is provided with a connector for connecting to the blood pressure monitor wristband; it also includes a second airbag 2 connected to the first airbag 1, the side wall of the second airbag 2 is used to fit the wrist of the user, the first airbag 1 is provided with a first interface 3, the first interface 3 is used for air intake or exhaust of the airbag, the second airbag 2 is provided with a second interface 4, the second interface 4 is connected to an external pressure sensor; the first airbag 1 and / or the second airbag 2 are arranged in an arc shape.

[0024] During actual use, the airbag is installed on the wristband of the sphygmomanometer through the first connecting piece 11 and the sphygmomanometer is turned on. The air pump delivers gas from the first interface 3 to the first airbag 1. After the first airbag 1 is fully filled, the gas will enter the second airbag 2 through the preset through hole. The second airbag 2 gradually increases in size to press against the user's wrist and compress the user's artery. As the pressure of the airbag gradually increases, the user's artery changes from fully open to half closed to completely blocked. During the pressurization of the air pump, the sound and small pressure pulses transmitted from the wrist will be transmitted to the pressure sensor through the second interface 4 of the second airbag 2, and then processed through various algorithms (this is the existing technology and will not be elaborated here) to obtain the blood pressure value and display it on the display screen of the sphygmomanometer for the user to read.

[0025] Specifically, a first through hole 5 is provided between the first airbag 1 and the second airbag 2, and the external airflow enters the first airbag 1 through the first interface 3 and enters the second airbag 2 through the first through hole 5 so that the side wall of the second airbag 2 fits the wrist of the user. In this embodiment, two first through holes 5 are provided, and three, four or five can be provided in actual use; compared with the method of connecting two airbags by using an air pipe in the prior art, a through hole is provided in the interlayer between the first airbag 1 and the second airbag 2, so that the inflation efficiency of the airbag is higher and the pressure distribution in the airbag is more uniform; it can also reduce additional air path connectors and control valves, thereby reducing manufacturing costs.

[0026] Specifically, the first through hole 5 is arranged away from the first interface 3 of the first airbag 1. In actual use, since the first through hole 5 is arranged at one end of the first airbag 1 away from the first interface 3, the airflow has enough time to fill the first airbag 1 before passing through the first through hole 5, which helps to achieve more accurate air pressure management and distribution; this design can gradually and accurately control the inflation degree of the two airbags, while ensuring the measurement accuracy, reducing the pressure on the user's wrist as much as possible, and improving the comfort during wearing and use.

[0027] Specifically, the second interface 4 is arranged at an end of the second airbag 2 away from the first through hole 5. The arrangement of the second interface 4 away from the first through hole 5 avoids the risk of the airflow directly hitting the second interface 4 and affecting the detection result when the airbag is pressurized. If the second interface 4 is too close to the first through hole 5, the change of airflow during inflation will have an adverse effect on the stability and accuracy of the sensor. At the same time, this design takes into account the practicality and maintainability of the sensor connected to the second interface 4, so that the first interface 3 and the second interface 4 are located adjacent to each other, which is more convenient for the installation of the sensor and replacement when necessary, and also reduces the physical wear of the sensor due to frequent inflation and deflation of the airbag.

[0028] Specifically, the connector includes a first connector 11 and a second connector 12 respectively arranged at two ends of the first airbag 1 that are far away from each other. The first connector 11 and the second connector 12 are used to limit the first airbag 1 and the second airbag 2 on the external sphygmomanometer wristband. The two connectors are respectively arranged at two ends of the first airbag 1 that are far away from each other, so that the fixation of the entire airbag is more stable and the assembly is more convenient. In actual use, the two connectors can be Velcro or ring buckles. In actual use, there can be multiple connectors, and the multiple connectors are distributed in an array along the length direction of the first airbag 1. If the user's wrist is small, two pins with smaller spacing can be used to assemble the airbag. This design helps to adapt to different wrist sizes and improve the applicability of the sphygmomanometer.

[0029] Specifically, the connecting piece is a pin, and the pin is used to be plugged into and matched with the pin hole on the external blood pressure monitor wristband, and the airbag is detachably connected to the external blood pressure monitor wristband through the pin. The setting of the two pins can ensure that the airbag maintains the proper position and stability during the blood pressure measurement process, which helps to prevent the airbag from sliding or bending during use, thereby ensuring the stability of the blood pressure measurement results. Compared with Velcro, the setting of the pin also facilitates the cleaning or replacement of the airbag. Users or maintenance personnel can easily remove and reinstall the airbag without effort, simplifying the disassembly process.

[0030] Specifically, the first connecting member 11 and the second connecting member 12 have different sizes and / or shapes. In this embodiment, the first connecting member 11 and the second connecting member 12 have the same structure but smaller size. This design can help users more easily determine the correct direction and position of the airbag, reduce user misoperation during installation, and improve the accuracy of the airbag position.

[0031] Specifically, the outer wall of the first airbag 1 is pressed with a cylindrical protrusion through a hot pressing process, the first interface 3 is arranged on the cylindrical protrusion and penetrates the cylindrical protrusion, and the first interface 3 is connected to the inner cavity of the first airbag 1; the cylindrical protrusion is provided with a clamping groove 6 for matching and installing with an external air pump. In this embodiment, there are two clamping grooves 6, and the design of two clamping grooves 6 helps the interface to be more stably connected with the external air pump, ensuring that there will be no leakage during the inflation process.

[0032] Specifically, the end of the airbag is provided with an extension portion 7 connected to the inner cavity of the airbag, the cross-sectional area of ​​the extension portion 7 is smaller than the cross-sectional area of ​​the airbag, the interface is provided on the extension portion 7, and the extension portions 7 of the two airbags are staggered. The extension portion in this embodiment is arranged in an arc shape, and the arrangement of the extension portion makes the gas inlet and the gas outlet away from the measurement area, reducing the potential influence and interference of the gas interface on the measurement accuracy; it helps to ensure the stability and accuracy of the measurement process. In addition, this design prevents the gas interface from directly contacting the user's skin or clothing, thereby improving the comfort of use. The staggered arrangement of the two extension portions 7 staggers the two interfaces. This structure cooperates with the two arc-shaped airbags to make the gas flow from the first interface 3 to the second interface 4 in a circular flow, which is conducive to improving the accuracy of the detection results.

[0033] Specifically, the first airbag 1 and the second airbag 2 are arranged in a semicircular shape that fits the wrist and are concentric. The semicircular and concentric arrangement of the two makes the overall airbag fit the user's wrist more closely during the measurement process, and can also more accurately control the circulation flow of the gas, thereby improving the precision and accuracy of the measurement.

[0034] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A novel blood pressure monitor wristband airbag structure, comprising a first airbag (1) used in conjunction with the blood pressure monitor wristband, wherein the first airbag (1) is provided with a connector for connecting to the blood pressure monitor wristband; the characteristics are: The invention also comprises a second airbag (2) connected to the first airbag (1), the side wall of the second airbag (2) being used to fit the wrist of a user, the first airbag (1) being provided with a first interface (3), the first interface (3) being used for air intake or exhaust of the airbag, the second airbag (2) being provided with a second interface (4), the second interface (4) being connected to an external pressure sensor; the second airbag (2) being arranged in an arc shape fitting the wrist of a human body.

2. The novel blood pressure monitor wristband airbag structure according to claim 1 is characterized in that: A first through hole (5) is provided between the first air bag (1) and the second air bag (2), and external airflow enters the first air bag (1) through the first interface (3) and enters the second air bag (2) via the first through hole (5), so that the side wall of the second air bag (2) squeezes the wrist blood vessels of the user.

3. The novel blood pressure monitor wristband airbag structure according to claim 2 is characterized in that: The first through hole (5) is arranged away from the first interface (3) of the first airbag (1).

4. The novel blood pressure monitor wristband airbag structure according to claim 2 is characterized in that: The second interface (4) is arranged at an end of the second airbag (2) away from the first through hole (5).

5. The novel blood pressure monitor wristband airbag structure according to claim 1 is characterized in that: The connecting member comprises a first connecting member (11) and a second connecting member (12) which are respectively arranged at two ends of the first airbag (1) which are away from each other. The first connecting member (11) and the second connecting member (12) are used to stably limit the position of the airbag on an external blood pressure monitor wristband.

6. The novel blood pressure monitor wristband airbag structure according to claim 1 is characterized in that: The connecting piece is a pin, and the pin is used to be plugged and matched with a pin hole on an external blood pressure monitor wristband. The airbag is detachably connected to the external blood pressure monitor wristband via the pin.

7. The novel blood pressure monitor wristband airbag structure according to claim 5 is characterized by: The first connecting member (11) and the second connecting member (12) have different sizes and / or shapes.

8. The novel blood pressure monitor wristband airbag structure according to claim 1 is characterized by: The outer wall of the first airbag (1) is pressed with a cylindrical protrusion through a hot pressing process, and the first interface (3) is arranged on the cylindrical protrusion and penetrates the cylindrical protrusion, and the first interface (3) is connected to the inner cavity of the first airbag (1); the cylindrical protrusion is provided with a snap-in groove (6) for cooperating with an external air pump for installation.

9. The novel blood pressure monitor wristband airbag structure according to claim 1 is characterized in that: An extension portion (7) communicating with the inner cavity of the airbag is provided at the end of the airbag, the cross-sectional area of ​​the extension portion (7) is smaller than the cross-sectional area of ​​the airbag, the interface is provided on the extension portion (7), and the extension portions (7) of the two airbags are staggered.

10. The novel blood pressure monitor wristband airbag structure according to claim 1 is characterized in that: The first airbag (1) and the second airbag (2) are arranged concentrically, and the cross-sectional areas of the first airbag (1) and the second airbag (2) are equal.

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