Replaceable exhaust pipe component, blood pressure monitor with the exhaust pipe component attached, and exhaust method thereof
The replaceable exhaust pipe member in blood pressure monitors addresses inconsistent exhaust speeds and measurement errors by adapting to varying arm sizes, reducing costs and volume while maintaining measurement accuracy.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- AVITA CORP
- Filing Date
- 2025-09-26
- Publication Date
- 2026-07-24
AI Technical Summary
Conventional blood pressure monitors face challenges in accurately measuring blood pressure due to varying arm circumferences, leading to inconsistent exhaust speeds and measurement errors, and existing solutions increase device volume and production costs by incorporating multiple pressure relief valves.
A replaceable exhaust pipe member with adjustable air holes that communicates with the airbag unit, eliminating the need for an internal low-speed pressure relief valve, allowing the device to accommodate different arm sizes and maintain measurement accuracy.
Reduces production costs and device volume while ensuring accurate blood pressure measurements by using interchangeable exhaust pipe members that adapt to different arm sizes.
Smart Images
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Abstract
Description
Technical Field
[0001] The present invention relates to a replaceable exhaust pipe member of a sphygmomanometer. More specifically, the present invention is a sphygmomanometer applying a replaceable exhaust pipe member and an exhaust method thereof.
Background Art
[0002] Among common civilized diseases, hypertension is a chronic disease with a high incidence rate in modern society. However, regardless of whether it is in Europe, America or Taiwan, the control effect of hypertension is not ideal and it still ranks among the top ten causes of death. For the prevention and treatment of cardiovascular diseases, the measurement of blood pressure values has become increasingly important in clinical and home health management. Therefore, there is currently a great demand for blood pressure measurement devices that can measure blood pressure quickly and accurately.
[0003] FIG. 1 is a block diagram showing the arrangement of a low-speed pressure relief valve in a conventional sphygmomanometer, showing an internal communication structure. The conventional sphygmomanometer 10 includes a device main body 11, an airbag unit 30, and a trachea 6 that communicates the airbag unit 30 with the device main body 11. The device main body 11 forms a housing space having a communication hole, and the trachea 6 communicates with the communication hole. The housing space houses a control circuit (not shown) having a pump unit 3, a rapid pressure relief valve 4, a low-speed pressure relief valve 5, and a pressure sensor. The pump unit 3, the rapid pressure relief valve 4, and the low-speed pressure relief valve 5 communicate with each other through communication pipe members 1 and 6, and further communicate with the airbag unit 30 through the trachea 6. In the blood pressure measurement process, the airbag unit 30 is wrapped around the user's arm. After the pump unit of the conventional sphygmomanometer 10 rapidly pressurizes and raises the pressure of the airbag unit 30 to a preset value, the low-speed pressure relief valve 5 of the conventional sphygmomanometer 10 starts slow exhaust. At this time, the conventional sphygmomanometer 10 starts measuring the pulse wave signal. After the blood pressure measurement is completed, the rapid pressure relief valve 4 of the conventional sphygmomanometer 10 starts to operate to discharge all the residual gas.
[0004] However, the circumference of a user's arm can vary from person to person, for example, between the elderly and young people, adults and children, men and women, or the arms of badminton players. When users have different arm circumferences and use armbands of different sizes, conventional blood pressure monitors inject different amounts of gas during the pressurization phase. The slow-speed pressure relief valve 5 located in conventional blood pressure monitors is installed inside the main body 11 of the device, making it difficult to replace the slow-speed pressure relief valve 5. Therefore, during the pulse wave signal measurement period after the pressurization phase, if conventional blood pressure monitors use only slow-speed pressure relief valves 5 of the same specifications for exhaust, the exhaust speed may differ, and furthermore, the exhaust may be excessively slow, potentially leading to differences in measurement time and errors in blood pressure measurement due to different users.
[0005] Taiwan Utility Model No. M469879 discloses a blood pressure measuring device applicable to armbands of different dimensions. The internal communication structure of the device body of the blood pressure measuring device is equipped with two slow-speed pressure relief valves. The two slow-speed pressure relief valves are connected in a way that allows them to either communicate with each other via air or not via air. By combining this with an armband connecting member of a different communication structure, the two types of slow-speed pressure relief valves inside the device body are connected, making the blood pressure measuring device applicable to armbands of different dimensions. However, in this prior art, because two slow-speed pressure relief valves are arranged in the internal communication structure of the blood pressure measuring device, the volume of the device body is increased, and the slow-speed pressure relief valves cannot be replaced. To apply the device to armbands of different dimensions, the blood pressure measuring device has an increased number of internal manufactured parts, and by combining it with an armband connecting member of a different communication structure, production costs are increased.
[0006] Therefore, if the present invention can provide a blood pressure monitor and exhaust method that apply a replaceable exhaust pipe member, it will be unnecessary to place a low-speed pressure relief valve in the internal communication structure of the blood pressure monitor body, the exhaust pipe member can be replaced to accommodate armbands of different dimensions, the production cost of the blood pressure monitor can be reduced, the volume of the blood pressure monitor can be reduced for easier portability, and it will have industrial practicality. [Prior art documents] [Patent Documents]
[0007] [Patent Document 1] Taiwan Utility Model No. M469879 [Overview of the project] [Problems that the invention aims to solve]
[0008] The objective of the present invention is to provide a replaceable exhaust pipe member and, by combining it with airbag units of different dimensions, to eliminate the need for a low-speed pressure relief valve in the internal communication structure of the blood pressure monitor device body.
[0009] Another object of the present invention is to provide a blood pressure monitor and exhaust method therefor that utilize interchangeable exhaust pipe members, allowing the use of armbands of different dimensions to accommodate differences in the arm circumference of the user, thereby maintaining the accuracy of blood pressure measurement. [Means for solving the problem]
[0010] To achieve the object of the invention described above, the replaceable exhaust pipe member of the present invention is used to communicate with an airbag unit and includes a body having a gas passage, a first pipe extending from the body, and a second pipe extending from the body, wherein the first pipe and the second pipe communicate with each other via the gas passage, and the second pipe forms at least one air hole, the air hole acting as a low-speed pressure relief hole while the airbag unit pressurizes through the gas passage.
[0011] To achieve the object of the invention described above, the blood pressure monitor further provided by the present invention includes a device body having a communication hole and a housing space, the housing space housing a pump unit and a rapid pressure relief valve, and the communication hole communicating the pump unit and the rapid pressure relief valve; a replaceable exhaust pipe member detachably attached to the communication hole of the device body and having a gas passage communicating with the communication hole; and an airbag unit communicating with the gas passage of the replaceable exhaust pipe member, wherein the gas passage of the replaceable exhaust pipe member forms at least one air hole, and the air hole acts as a slow pressure relief hole while the pump unit pressurizes the airbag unit.
[0012] To achieve the object of the invention described above, the present invention further provides a method for exhausting a blood pressure monitor, which includes: providing an airbag unit having preset dimensions; connecting a replaceable exhaust pipe member to the airbag unit in accordance with the preset dimensions of the airbag unit, and ensuring that the diameter of the air hole in the replaceable exhaust pipe member corresponds to the preset dimensions of the airbag unit; and attaching the replaceable exhaust pipe member to the communication hole of the device body, so that the air hole acts as a low-speed pressure relief exhaust port while the pump unit pressurizes the airbag unit. [Effects of the Invention]
[0013] According to the blood pressure monitor and exhaust method implemented in the present invention, by combining interchangeable exhaust pipe members to accommodate different dimensions of the airbag unit, it becomes unnecessary to place a low-speed pressure relief valve in the internal communication structure of the blood pressure monitor body. This reduces the production cost of the blood pressure monitor and also reduces the volume of the blood pressure monitor, making it easier to carry. [Brief explanation of the drawing]
[0014] [Figure 1] This is a block diagram showing the arrangement of the low-speed pressure relief valve in a conventional blood pressure monitor. [Figure 2] This is a block diagram showing the arrangement of the replaceable exhaust pipe member in the blood pressure monitor of the present invention. [Figure 3A] This is a side view of a replaceable exhaust pipe member in a first embodiment of the present invention. [Figure 3B] This is a front view of a replaceable exhaust pipe member according to a first embodiment of the present invention. [Figure 4] This is a perspective view of a replaceable exhaust pipe member in a second embodiment of the present invention. [Modes for carrying out the invention]
[0015] First, referring to Figure 2, which shows a block diagram of the arrangement of a replaceable exhaust pipe member in the blood pressure monitor of the present invention. In one embodiment of the present invention, the blood pressure monitor 20 includes a device body 21, an airbag unit 30, and a trachea 24 that connects the airbag unit 30 and the device body 21, the airbag unit 30 having preset dimensions. The device body 21 forms a housing space having a communication hole, the trachea 24 can be attached in communication with the communication hole, the housing space accommodates a pump unit 3, a rapid pressure relief valve 4, and a control circuit (not shown) having a pressure sensor, and a slow pressure relief valve is not provided. The pump unit 3 and the rapid pressure relief valve 4 communicate with each other through the communication hole by a communication pipe member 1, and further communicate with the airbag unit 30 via the trachea 24. Those skilled in the art will understand that the airbag unit 30 has different preset dimensions depending on the arm circumference of the user, where the preset dimensions refer to the length and width dimensions when the airbag unit 30 is in a non-inflated state.
[0016] Continuing with reference to Figure 2, the blood pressure monitor 20 of the present invention has a replaceable exhaust pipe member 22, the replaceable exhaust pipe member 22 having a gas passage. One end of the gas passage communicates with the trachea 24, and when the replaceable exhaust pipe member 22 is attached to the communication hole of the device body 21, the other end of the gas passage communicates with an internal communication pipe member 1, and the trachea 24 is connected to the pump unit 3 and the rapid pressure relief valve 4 by the attachment of the replaceable exhaust pipe member 22. The replaceable exhaust pipe member 22 of the present invention has at least one air hole 23, and the gas passage communicates with the outside through the air hole 23. The diameter of the air hole 23 corresponds to the preset dimensions of the airbag unit 30. In a different embodiment of the present invention, if the preset dimensions of the airbag unit 30 are XL or L, and the preset dimensions of XL or L are both 31.8 cm × 15.7 cm, the diameter of the air holes in the replaceable exhaust pipe member 22 to be combined with the airbag unit 30 is 0.21 mm. If the preset dimensions of the airbag unit 30 are M or U, and the preset dimensions of M or U are both 23 cm × 12.5 cm, the diameter of the air holes in the replaceable exhaust pipe member 22 to be combined with the airbag unit 30 is 0.15 mm. If the preset dimensions of the airbag unit 30 are XS, and the preset dimensions of XS are 14.8 cm × 12 cm, the diameter of the air holes in the replaceable exhaust pipe member 22 to be combined with the airbag unit 30 is 0.13 mm.
[0017] Before measuring blood pressure, a preset dimension of the airbag unit 30 is selected according to the circumference of the user's arm, and a replaceable exhaust pipe member 22 with an air hole diameter corresponding to the preset dimension is combined with the airbag unit 30 to connect it to the blood pressure monitor 20 of the present invention. During the blood pressure measurement period, the airbag unit 30 is wrapped around the user's arm, and the pump unit 3 of the blood pressure monitor 20 of the present invention rapidly pressurizes it, raising the pressure of the airbag unit 30 to a preset value, after which pressurization is stopped, and the air hole 23 of the replaceable exhaust pipe member 22 acts as a low-speed pressure relief exhaust port. At this time, the blood pressure monitor 20 starts measuring the pulse wave signal. After the blood pressure measurement is completed, the rapid pressure relief valve 4 of the blood pressure monitor 20 starts operating to expel all residual gas. Therefore, although the device body 21 of the blood pressure monitor 20 of the present invention does not have a low-speed pressure relief valve, the air hole 23 of the replaceable exhaust pipe member 22 acts as a low-speed pressure relief hole during the period when the blood pressure monitor 20 measures blood pressure, and the replaceable exhaust pipe member 22 serves as a substitute for a low-speed pressure relief valve.
[0018] Referring to FIGS. 3A and 3B simultaneously, FIGS. 3A and 3B respectively show a side view and a front view of an exchangeable exhaust pipe member in the first embodiment of the present invention. In the first embodiment of the present invention, the exchangeable exhaust pipe member 22 is used to communicate with the airbag unit 30, and the airbag unit 30 has preset dimensions. The exchangeable exhaust pipe member 22 includes a main body 220 having a gas passage, a first pipe 221 and a second pipe 222 extend from the main body 220, and the first pipe 221 and the second pipe 222 communicate with each other through the gas passage. The first pipe 221 is used to be inserted into the communication hole of the sphygmomanometer 20 of the present invention to communicate the gas passage with the internal communication structure of the device main body 21. The second pipe 222 communicates with the trachea 24 of the airbag unit 30 to communicate the gas passage with the airbag unit 30. The exchangeable exhaust pipe member 22 of the present invention has at least one air hole 23, and the air hole 23 has a hole diameter corresponding to the preset dimension of the airbag unit 30. Taking the preset dimension M or U as an example, the hole diameter of the air hole 23 is 0.15 mm.
[0019] In different embodiments of the present invention, the air hole 23 can be provided in the main body 220 or the first pipe 221 or the second pipe 222 of the exchangeable exhaust pipe member 22. The arrangement of the air hole 23 shown in FIGS. 3A and 3B is located in the main body 220. Preferably, the arrangement of the air hole 23 should avoid the exhaust action being inhibited by other structural walls or objects after installation. Furthermore, the first pipe 221 and the second pipe 222 of the exchangeable exhaust pipe member 22 of the present invention have different extending directions from the main body 220 to form the gas passage into an L shape or a straight-through shape. <当
[0020] Referring to FIG. 4, a perspective view of the replaceable exhaust pipe member 22' according to the second embodiment of the present invention is shown. In the second embodiment of the present invention, the replaceable exhaust pipe member 22' is used for communicating with the airbag unit 30, and the airbag unit 30 has preset dimensions. The replaceable exhaust pipe member 22' of the present invention has a main body 220, a first pipe 221 and a second pipe 222 of the first embodiment. The first pipe 221 and the second pipe 222 communicate with each other through the gas passage of the main body 220, and the air hole 23 is located on the side wall of the second pipe 222. Further, the main body 220 of the replaceable exhaust pipe member 22' of the present invention forms a pair of locking arms 2201, 2202, and the pair of locking arms 2201, 2202 are preferably located on opposite sides of the first pipe 221. The pair of locking arms 2201, 2202 can be locked to the edge of the communication hole of the instrument body 21 of the sphygmomanometer 20 of the present invention, and the first pipe 221 can be held in the communication hole.
[0021] Based on the sphygmomanometer 20 implemented according to the first or second embodiment of the present invention, the air exhaust method of the sphygmomanometer includes the following steps. The sphygmomanometer 20 provides an airbag unit having preset dimensions. Corresponding to the preset dimensions of the airbag unit, the sphygmomanometer 20 combines a replaceable exhaust pipe member to communicate with the airbag unit. The replaceable exhaust pipe member has at least one air hole, and the pore diameter of the air hole corresponds to the preset dimensions of the airbag unit. The replaceable exhaust pipe member is attached to the communication hole of the instrument body of the sphygmomanometer 20. And during the time when the sphygmomanometer 20 pressurizes the airbag unit, the air hole acts as an exhaust hole for low-speed pressure relief.
Description of Reference Signs
[0022] 1 Communication pipe member 2 Communication pipe member 3 Pump unit 4 Quick pressure relief valve 5 Low-speed pressure relief valve 6 Trachea 10 Conventional blood pressure monitors 11. Main unit of the device 20 Blood pressure monitor 21 Main unit of the device 22 Exhaust pipe component 22' Exhaust pipe component 23 air holes 24 Trachea 30 Airbag Units 220 Main Unit 221 First Piping 222 Second Piping 2201 Locking Arm 2202 Locking Arm
Claims
1. The device body has a communication hole and a housing space, the housing space housing a pump unit and a pressure relief valve used to discharge residual gas after blood pressure measurement is complete, but does not housing a pressure relief valve for discharging gas from the airbag unit during the pulse wave signal measurement period, and the communication hole connects the pump unit and the pressure relief valve housed in the housing space, A replaceable exhaust pipe member is detachably attached to the communication hole of the main body of the equipment and has a gas passage communicating with the communication hole, An airbag unit communicating with the gas passage of the replaceable exhaust pipe member, Includes, A blood pressure monitor wherein the gas passage of the replaceable exhaust pipe member forms at least one air hole, the gas passage communicates with the outside through the air hole, and after the pump unit stops pressurizing the airbag unit, the air hole acts as a pressure relief hole for releasing gas from the airbag unit during the pulse wave signal measurement period.
2. The blood pressure monitor according to claim 1, wherein the airbag unit has preset dimensions, and the airbag unit, when combined with the replaceable exhaust pipe member, causes the diameter of the air hole to correspond to the preset dimensions of the airbag unit.
3. The blood pressure monitor according to claim 2, wherein the preset dimensions are 31.8 cm × 15.7 cm, and the diameter of the air hole is 0.21 mm.
4. The blood pressure monitor according to claim 2, wherein the preset dimensions are 23 cm x 12.5 cm, and the diameter of the air hole is 0.15 mm.
5. The blood pressure monitor according to claim 2, wherein the preset dimensions are 14.8 cm x 12 cm, and the diameter of the air hole is 0.13 mm.
6. A replaceable exhaust pipe member used to communicate with an airbag unit, wherein the replaceable exhaust pipe member is A main body having a gas passage, A first pipe extending from the main body, A second pipe extending from the main body, Includes, The first pipe and the second pipe are in communication with each other via the gas passage, the first pipe is used for insertion into a communication hole of a blood pressure monitor, the second pipe is used for communication with the trachea of an airbag unit, and the replaceable exhaust pipe member has at least one air hole, the gas passage is in communication with the outside via the air hole, and after pressurization to the airbag unit via the gas passage has stopped, the air hole acts as a pressure relief hole for releasing gas from the airbag unit during the pulse wave signal measurement period, the replaceable exhaust pipe member.
7. The replaceable exhaust pipe member according to claim 6, wherein the airbag unit has preset dimensions, and the airbag unit, when combined with the replaceable exhaust pipe member, causes the diameter of the air hole to correspond to the preset dimensions of the airbag unit.
8. The replaceable exhaust pipe member according to claim 6, wherein the air hole is provided in the main body or the first pipe or the second pipe, and the gas passage communicates with the outside through the air hole.
9. The replaceable exhaust pipe member according to claim 8, wherein the main body forms a pair of locking arms, and the pair of locking arms are locked to the edge of the communication hole of the blood pressure monitor to hold the first piping inside the communication hole.
10. To provide the airbag unit having preset dimensions, The interchangeable exhaust pipe members are combined and connected to the airbag unit according to the preset dimensions of the airbag unit, and the diameter of the air holes in the interchangeable exhaust pipe members is made to correspond to the preset dimensions of the airbag unit. The replaceable exhaust pipe member is attached to the communication hole of the main body of the equipment, After the pump unit stops pressurizing the airbag unit, during the pulse wave signal measurement period, the air hole acts as an exhaust port for releasing gas from the airbag unit. A method for exhausting a blood pressure monitor according to claim 1, including the method described in claim 1.