CN113017587B - High-precision wrist sphygmomanometer - Google Patents

The invention relates to the technical field of sphygmomanometers, in particular to a high-precision wrist sphygmomanometer which comprises a wrist strap and a sphygmomanometer, wherein the wrist strap is provided with the sphygmomanometer, the sphygmomanometer comprises a display, a pressure sensor and a short air bag, the display is electrically connected with the pressure sensor, and the pressure sensor is positioned in the middle of the short air bag. The short gasbag of length is adopted to replace the long gasbag of full surrounding, and wherein, the inflation chamber of short gasbag only sets up in the inboard position of wrist, and wrist strap other parts adopt solid section, through this kind of wrist strap structure, on the one hand has directly avoided measuring in-process, and hand removes or other limbs action bring to the inside pressure of inflation chamber influence, improves blood pressure measurement's precision, moreover, has still reduced wrist strap cost and structural strength by a wide margin.

High-precision wrist sphygmomanometer

Technical Field

The invention relates to the technical field of sphygmomanometers, in particular to a high-precision wrist sphygmomanometer.

Background

At present, the wrist strap of the wrist strap type sphygmomanometer does not only play a binding role, but also is provided with an inflatable cavity in the wrist strap, the inflatable cavity not only can realize binding of the wrist strap in a swelling mode, but also can transmit the internal pressure of the inflatable cavity into the sphygmomanometer body, and the relationship between systolic pressure, diastolic pressure, average pressure and wrist strap pressure shock waves is established through pressure fluctuation in a gas circuit to judge the blood pressure.

In short, for the wrist cuff type sphygmomanometer widely used at present, the core is to detect the pressure change inside the inflatable chamber so as to realize the blood pressure measurement, but after the wrist cuff type sphygmomanometer is worn on the wrist of a patient, the inflatable chamber is wound around the whole wrist, and in fact, the most accurate position of the wrist pulse is the inner side of the wrist, and when the wrist cuff type sphygmomanometer is used by a user, the outer side of the wrist is actually placed on a tabletop, and the inflatable chamber is wound around the whole wrist, so that the problems are as follows: the inflatable cavity is also extruded between the outer side of the wrist and the table top, when the wrist of a tested person moves or other limbs act to press the inflatable cavity, the pressure of the inflatable cavity changes, and the change is not caused by pulse, so that the sphygmomanometer is interfered to collect pulse fluctuation data, and the measurement accuracy is affected.

Disclosure of Invention

The invention aims to provide a high-precision wrist sphygmomanometer, which adopts an air bag with a short length to replace a fully-enclosed long air bag, wherein an inflatable cavity of the short air bag is only arranged at the inner side of a wrist, and the rest part of the wrist strap adopts a solid section.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a high accuracy wrist sphygmomanometer, includes wrist strap and sphygmomanometer, install the sphygmomanometer on the wrist strap, the sphygmomanometer includes display, pressure sensor and short balloon, display electric connection has pressure sensor, pressure sensor is located short balloon middle part.

Preferably, the wrist strap includes hollow section and solid section, and the middle part of wrist strap is provided with hollow section, and the mid-mounting of hollow section has the short gasbag, and the both sides of hollow section are solid section.

Preferably, the end part of the solid section is provided with an outer magic tape, and the two ends of the wrist strap are connected through the outer magic tape.

Preferably, the hollow section and the solid section are connected by a detachable connection.

Preferably, the wrist strap comprises a hollow section and a solid section, wherein the hollow section extending inwards is fixedly connected to the inner wall of the solid section, and a short air bag is arranged in the middle of the hollow section.

Preferably, the wrist strap comprises a hollow section and a solid section, wherein the inner wall of the solid section is rotationally connected with the hollow section extending inwards through a rotating shaft, and a short air bag is arranged in the middle of the hollow section.

Preferably, the two ends of the solid section are connected with each other by a lock catch.

Preferably, the inner wall of the solid section and the end part of the hollow section are respectively provided with an inner magic tape, and the end part of the hollow section is connected to the inner wall of the solid section through the inner magic tape.

Preferably, the pressure sensor is a lattice sensor, and the pressure sensor is provided with contacts distributed in a lattice mode.

Preferably, the pressure sensor is a lattice sensor, the pressure sensor is provided with contacts distributed in a lattice mode, a plurality of outwards protruding air columns are arranged on the surface of one side, facing the human body, of the short air bag, cavities communicated with the cavities inside the short air bag are arranged in the middle of the air columns, the contacts are located in the cavities, and the contacts correspond to the cavities one by one.

Preferably, the part of the air column contacted with the human body is made of elastic film materials.

Compared with the prior art, the invention has the following beneficial effects:

according to the high-precision wrist sphygmomanometer, the short air bags are adopted to replace the fully-enclosed long air bags, wherein the inflatable cavity of the short air bags is only arranged at the inner side of the wrist, and the rest part of the wrist strap is a solid section.

Drawings

FIG. 1 is an overall construction diagram of a first embodiment of the present invention;

FIG. 2 is a diagram showing the overall structure of a second embodiment of the present invention;

FIG. 3 is an overall construction diagram in a third embodiment of the present invention;

fig. 4 is an overall configuration diagram in a fourth embodiment of the present invention;

FIG. 5 is an exploded view of a fourth embodiment of the present invention;

FIG. 6 is a diagram of a short balloon structure in a fifth embodiment of the present invention;

Fig. 7 is a structural diagram of a pressure sensor in a fifth embodiment of the present invention.

In the figure: 1. a wristband; 11. a hollow section; 12. a solid section; 13. an external magic tape; 14. locking; 15. a rotation shaft; 16. a detachable connection; 17. an inner magic tape; 2. a blood pressure meter; 21. a display; 22. a pressure sensor; 23. a short air bag; 231. a contact; 232. and (3) air column.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1, a high-precision wrist sphygmomanometer comprises a wrist strap 1 and a sphygmomanometer 2, wherein the sphygmomanometer 2 is arranged on the wrist strap 1, the sphygmomanometer 2 comprises a display 21, a pressure sensor 22 and a short air bag 23, the display 21 is electrically connected with the pressure sensor 22, and the pressure sensor 22 is positioned in the middle of the short air bag 23.

The wrist strap 1 includes hollow section 11 and solid section 12, the middle part of wrist strap 1 is provided with hollow section 11, the mid-mounting of hollow section 11 has short gasbag 23, the both sides of hollow section 11 are solid section 12, the inflation chamber of short gasbag 23 only sets up the inboard position of wrist, and the other part adopts solid section 12, through this kind of wrist strap 1, on the one hand has directly avoided measuring in-process, hand movement or other limbs action bring to the inside pressure of inflation chamber influence, moreover, the cost and the structural strength of wrist strap 1 have also been reduced by a wide margin, the tip of solid section 12 is provided with outer magic subsides 13, the both ends of wrist strap 1 are connected through outer magic subsides 13, outer magic subsides 13 mainly used tie up wrist strap 1 on the wrist.

The solid section 12 adopts a silica gel belt or a resin belt to replace the prior cloth material, can be directly sprayed with alcohol for disinfection, and can be used for spraying or smearing alcohol on the wrist strap 1 after single measurement is completed.

Example two

Referring to fig. 2, the difference between the present embodiment and the first embodiment is that the connection manner of the hollow section 11 and the solid section 12 is different, in this embodiment, the hollow section 11 and the solid section 12 are connected by a detachable connection piece 16, the detachable connection piece 16 is a button, a zipper, a lacing, etc., and the solid sections 12 on two sides of the hollow section 11 are detachable, so that the vulnerable solid section 12 can be replaced quickly.

Example III

Referring to fig. 3, the difference between the present embodiment and the first embodiment is that the wristband 1 has a different structure, the wristband 1 includes a hollow section 11 and a solid section 12, the inner wall of the solid section 12 is fixedly connected with the hollow section 11 extending inwards, a short air bag 23 is installed in the middle of the hollow section 11, and two ends of the solid section 12 are connected with each other through a lock catch 14; the inner wall of the solid section 12 and the end part of the hollow section 11 are respectively provided with an inner magic tape 17, and the end part of the hollow section 11 is connected to the inner wall of the solid section 12 through the inner magic tape 17; the wrist strap 1 is worn on the wrist through the solid section 12 which can be closed into a ring shape, the hollow section 11 is pulled, the end part of the wrist strap is fixed on the inner wall of the solid section 12, at the moment, the display 21 faces the outer side of the wrist, the short air bag 23 in the hollow section 11 is tightly attached to the inner side of the wrist, the wearable blood pressure measurement is realized, the wrist strap is suitable for monitoring the blood pressure in the movement process, and the double-layer strap body can prevent the wrist strap 1 from loosening.

Example IV

Referring to fig. 4 to 5, the difference between the present embodiment and the third embodiment is that the inner wall of the solid section 12 is rotatably connected with the hollow section 11 extending inwards through the rotation shaft 15, and the rotation structure can prolong the service life of the joint between the hollow section 11 and the solid section 12 after the solid section 12 adopts the silica gel belt or the resin belt to replace the conventional cloth material.

Example five

Referring to fig. 6 to 7, the pressure sensor 22 is a lattice sensor, the pressure sensor 22 is provided with contacts 231 distributed in a lattice, a surface of one side of the short air bag 23 facing the human body is provided with a plurality of air columns 232 protruding outwards, a cavity communicated with the cavity inside the short air bag is arranged in the middle of the air columns 232, the contacts 231 are located in the cavity, and the contacts 231 are in one-to-one correspondence with the cavity. When the application is used, because the wrist of the human body is uneven, in the scheme of the application, the side of the integral type air bag, which faces the human body, is divided into a plurality of independent convex air columns 232, so that the air columns 232 can be well attached to the wrist of the human body at different positions, the problem that the detection precision is reduced due to the fact that the existing air bag structure has a suspension clearance due to the fact that certain positions of the wrist are sunken is avoided.

As a further preferred aspect, the portion of the air column 232 that contacts the human body is made of a film material having elasticity. In such a way, when the wrist is tightened by the wrist strap, the part, which is contacted with the human body, of the air column 232 can deform under the action of pressure, so that the wrist strap is better attached to the human body, gaps existing between the air columns 232 are eliminated as much as possible, and therefore, the detection precision and the detection accuracy are further improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.