CN218419846U - Cuff and sphygmomanometer of sphygmomanometer - Google Patents

Abstract

The utility model relates to a sleeve area and sphygmomanometer of sphygmomanometer, the sleeve area is at least including sleeve area body (1), ware (3) are accomodate in arc support body (2) and sleeve area, arc support body (2) are wavy support body, ware (3) are accomodate in the sleeve area set up in the first arc concave surface department of the first face of arc support body (2), the first end of sleeve area body (1) is accomodate ware (3) with the sleeve area and is connected with the telescopic mode and run through from the second face of arc support body (2) and stretch out, the second end of sleeve area body (1) is connected with link (8) of the second arc concave surface department of the second face of arc support body (2), make sleeve area body (1) constitute the loop configuration that can tie up the arm with the second arc concave surface of arc support body (2). Aiming at the defect that the cuff is inconvenient to operate by one person in the prior art, the cuff is set to be in a freely telescopic annular shape to be bound, and the tightness of the cuff can be adjusted according to pressure data.

Description

Cuff and sphygmomanometer of sphygmomanometer

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a sleeve area and sphygmomanometer of sphygmomanometer.

Background

The sphygmomanometer includes a cuff. The cuff is used for binding. Currently, a cuff of a household blood pressure monitor is generally in a manual wrapping type, and the blood pressure measurement can be carried out only by binding the cuff on an arm with the help of others. For a user who is alone at home and needs to measure blood pressure daily, the cuff of the current blood pressure instrument is inconvenient to use, and the cuff is difficult to bind when no one is helped. Moreover, when the cuff is bound by a person who is not a medical professional, the tightness and measurement position of the cuff may be inaccurate, which may affect the measurement result of the sphygmomanometer.

Therefore, how to improve the cuff so that the user can attach the cuff to the correct position of the arm or provide a prompt indicating whether the attached position is correct is a problem that the current blood pressure monitor has not yet solved.

Some cuffs for running blood pressure monitors operated by individuals are also available on the market today, but the use is not ideal. For example, chinese patent publication No. CN211633253U provides a cuff for a blood pressure monitor. The cuff of the blood pressure monitor comprises a winding belt, an elastic belt, a first connecting piece and a second connecting piece, wherein the elastic belt is connected with the winding belt, the first connecting piece and the second connecting piece are respectively connected with the winding belt, the elastic belt and the winding belt jointly surround to form an annular ring, the annular ring is used for the arm to penetrate through, so that the elastic belt is elastically bound on the arm, and the winding belt is used for further winding the arm to be bound on the arm when the first connecting piece and the second connecting piece are connected. The utility model discloses a blood pressure meter's sleeve area is through the elastic shrinkage's of elastic webbing characteristic, ties up tightly in advance to user's arm, can avoid sleeve area the phenomenon that the slippage appears when binding on the arm, and then realizes carrying out blood pressure measuring's purpose alone. However, in a specific operation, whether the user has properly positioned the cuff is not indicated, which makes the blood pressure data measured by the blood pressure monitor inaccurate when the position of the cuff is inaccurate. In addition, even if the elastic band is arranged, the user still needs to operate the winding band by hand, and the fixing effect of the elastic band is not good for the person with a thin arm because the arm thickness of the user is different, and in this case, the elastic band still has the phenomenon of rotation deviation when the user performs winding operation, which is not very convenient for the old people with weak hand force and trembling.

Chinese patent with publication number CN214906850U also discloses a blood pressure monitor cuff, including the winding area, the blood pressure monitor cuff still includes the armlet of taking perpendicular connection setting with the winding, armlet one end is connected with cyclic annular shoulder ring, the other end of armlet is opened there is the bracelet, the shoulder ring is used for supplying the shoulder to wear the cover, the bracelet is used for supplying the palm to grasp in order to straighten the armlet, the winding area both ends are provided with first connecting piece and second connecting piece respectively, first connecting piece and second connecting piece are located the both sides of armlet respectively. The user dresses the armlet earlier before the winding area, stretches the armlet, and the one end in winding area can be fixed to the armlet after the drawing, slides when avoiding the winding area winding, has promoted the convenience that the user used the sphygmomanometer cuff alone. The utility model discloses a fixed just comparatively good to the winding area tip, but still can not send the suggestion to the condition whether the sleeve area set up in appropriate position.

Therefore, the current prior art does not solve the problems of the present application.

Furthermore, on the one hand, due to the differences in understanding to those skilled in the art; on the other hand, since the applicant has studied a lot of documents and patents when making the present invention, but the space is not limited to detail and not to list all details and contents, however, this is by no means the present invention does not have these prior art features, but on the contrary the present invention has all features of the prior art, and the applicant reserves the right to increase the related prior art in the background.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a sphygmomanometer's sleeve area includes at least that sleeve area body, arc support body and sleeve area accomodate the ware, the support body of arc support body for being wavy, sleeve area accomodate the ware set up in the first arc concave surface department of the first face of arc support body, sleeve area body's first end with sleeve area accomodate the ware and connect and follow with the telescopic mode the second face of arc support body runs through and stretches out, sleeve area body's second end with the link of the second arc concave surface department of arc support body is connected, makes sleeve area body with the second arc concave surface constitution of arc support body can tie up the annular structure who ties up the arm.

Preferably, the cuff receiver is disposed at the first arc-shaped concave surface of the first surface of the arc-shaped frame body in a relatively fixed manner.

Preferably, the cuff constriction port of the cuff container is used for telescopic movement of the first end of the cuff body, wherein the opening direction of the cuff constriction port faces to the second arc-shaped concave surface of the second surface of the arc-shaped frame body, and the cuff constriction port is arranged at a transition position between the second arc-shaped concave surface and the second arc-shaped concave surface of the arc-shaped frame body.

Preferably, state the arc support body and be the silica gel support body that can reply deformation, work as the sleeve area body with the second arc concave surface of arc support body ties up when tying up the arm, the crooked radian of the second arc concave surface of arc support body can change and laminate the arm.

Preferably, the second arc concave surface of arc support body is provided with at least one pressure sensor, pressure sensor is used for gathering the pressure between arc concave surface and the arm.

Preferably, the second arc concave surface of arc support body is provided with at least one physiological sensor, arm with under the condition of the second arc concave surface laminating of arc support body, physiological sensor is used for gathering the pulse parameter of arm.

Preferably, the line with the pressure sensor and/or the physiological sensor is arranged along the arc-shaped side edge of the arc-shaped frame body so as to avoid bending of the line.

Preferably, the cuff body can be connected with a blood pressure measuring device through an inflation tube.

Preferably, be provided with digital signal switch, spiral torsion spring, rotating electrical machines and pivot in the casing of the ware is accomodate to the sleeve area, digital signal switch with the rotating electrical machines is connected, the output of rotating electrical machines is connected with the one end of pivot, the other end and the casing of pivot are connected with rotatable mode, be provided with spiral torsion spring in the pivot, the first end and the pivot of sleeve area body are connected and are followed spiral torsion spring's extending direction winding, digital signal switch is used for opening, closing and the change rotation direction of control pivot.

The utility model also provides a blood pressure meter includes at least the utility model provides a sleeve area and blood pressure measurement device, the sleeve area body in the sleeve area is connected with blood pressure measurement device through the gas tube.

The technical effects are as follows:

(1) The arc frame body and the cuff body in the cuff container are formed into the annular cuff capable of adjusting the size, so that the size of the cuff can be adjusted by one hand without being bound by one hand, and a user can operate the cuff by one hand;

(2) The pressure sensor is arranged to collect the pressure born by the arm and give a prompt, so that the problem that the user sets the cuff too loosely or too tightly is avoided;

(3) The physiological sensor is arranged to collect pulse information, so that a user can be prompted to set the cuff at a proper position, the cuff is prevented from being higher than the heart or lower than the heart too much, and the problem that the user mistakenly sets the cuff at an improper position is also avoided.

Drawings

Fig. 1 is a simplified structural diagram of a first angle of a cuff provided by the present invention;

fig. 2 is a simplified structural diagram of a second angle of the cuff provided by the present invention;

fig. 3 is a schematic structural diagram of an arrangement of sensors of an arc-shaped frame body provided by the present invention;

fig. 4 is a schematic view of the connection between the cuff and the blood pressure measuring device provided by the present invention;

fig. 5 is a schematic view of a cross-sectional angle of the cuff storing device according to the present invention.

List of reference numerals

1: a cuff body; 2: an arc-shaped frame body; 3: a cuff storage device; 4: contracting the opening of the cuff; 5: a pressure sensor; 6: a physiological sensor; 7: a line; 8: a connecting end; 9: a blood pressure measuring device; 31: a housing case; 32: an integrated circuit board; 33: a stop switch; 34: a sound player; 39: a rotating shaft; 310, a spacing ring; 311: a stopper switch opening; 312: a stop limit plate; 313: a stopper spring; 314: a stopper block; 315: a cushion block; 316: an opening; 319: a rotating electric machine.

Detailed Description

The following detailed description is made with reference to the accompanying drawings.

The utility model provides a cuff of a blood pressure instrument, which at least comprises a cuff body 1, an arc frame body 2 and a cuff storage device 3 as shown in figure 1. The cuff body is a belt body with an air bag.

As shown in fig. 1 to 4, the arc-shaped frame body 2 is a sheet-shaped frame body in a wavy shape. Or the arc-shaped frame body 2 is an S-shaped sheet frame body. Each surface of the arc-shaped frame body 2 is provided with an arc-shaped concave surface. The arcuate concavities include semicircular concavities. Specifically, the first surface of the arc-shaped frame body 2 comprises a first arc-shaped concave surface and a first arc-shaped convex surface. The second surface of the arc-shaped frame body 2 comprises a second arc-shaped concave surface and a second arc-shaped convex surface. The first arc-shaped concave surface and the second arc-shaped concave surface are arranged in a staggered mode.

The cuff storage 3 is a device that can extend and contract and store the cuff main body 1. That is, the cuff main body 1 can be drawn out from the cuff storage 3 and is stored in the cuff storage 3 in a rolled manner. Preferably, the cuff body 1 can be connected with the blood pressure measuring device 9 through an inflation tube.

The cuff storage device 3 is arranged on a first arc-shaped concave surface of the first surface of the arc-shaped frame body 2. Preferably, the cuff container 3 is disposed at the first arc concave surface of the first surface of the arc frame body 2 in a relatively fixed manner. For example, the cuff container 3 and the arc frame body 2 are fixed relatively by a rivet or a nail body. The cuff storage device 3 and the arc frame body 2 are relatively fixed through the colloid. So set up for cuff storage device 3 can not obstruct the contact of second arc concave surface department and the arm of arc support body 2.

The cuff storage 3 is connected to the first end of the cuff main body 1 in an extendable and retractable manner. Preferably, as shown in fig. 2 to 4, a cuff contraction opening 4 is provided in the arc frame body 2 at a position corresponding to the opening of the cuff storage 3. The cuff body 1 extends out of the cuff container 3, penetrates the arc frame body 2 through the cuff contraction opening 4 and extends to the second surface of the arc frame body 2. The second end of the cuff body 1 is connected with the connecting end 8 at the second arc concave surface of the second surface of the arc frame body 2. For example, the second end of the cuff body 1 and the connection end 8 are fixedly connected by a nail body, or the second end of the cuff body 1 and the connection end 8 are detachably connected by a snap. So set up for the annular structure that can tie up the arm is constituteed to the second arc concave surface that sleeve area body 1 and arc support body 2. So set up, the sleeve area shrink mouth 4 of the sleeve area container 3 is used for the flexible removal of the first end of sleeve area body 1, makes things convenient for stretching out or retracting of sleeve area body 1, also makes things convenient for the user to stretch out sleeve area body 1 with one hand in order to enlarge the size of tying up the circle between sleeve area body 1 and the second arc concave surface.

Preferably, in order to enable the opening direction of the cuff constriction 4 to face the direction of the second arc-shaped concave surface of the second surface of the arc-shaped frame body 2, the cuff constriction 4 is arranged at the transition position between the second arc-shaped concave surface and the second arc-shaped concave surface of the arc-shaped frame body 2. As shown in fig. 2, if the opening of the cuff constriction 4 is far from the second arc-shaped concave surface, the force application directions between the cuff body 1 and the second arc-shaped concave surface are not completely opposite, which reduces the pressure applied to the arm, or a part of the arm is in contact with the second arc-shaped convex surface of the second surface, which increases the deformation degree of the cuff body 1 pulling the arc-shaped frame body 1, and the arm is also subjected to the force application to the arm by the second arc-shaped convex surface, the second arc-shaped concave surface and the cuff body 1, so that the contact between the cuff body 1 and the arm is not tight and not attached, and the pressure applied to the arm is reduced, which reduces the measurement effect of the blood pressure measurement instrument. Consequently, with the opening direction of cuff constriction mouth 4 towards the second arc concave surface place direction of the second face of arc support body 2, cuff constriction mouth 4 sets up the transition position between the second arc concave surface of arc support body 2 and the second arc concave surface, is favorable to two parts in cuff body 1 and the second arc concave surface to exert force to the arm, and the increase of exerting force of cuff body 1 to the arm can guarantee that blood pressure measuring device provides the degree of accuracy of vascular wall pressure.

Preferably, the arc-shaped frame body 2 is not limited to an S-shaped plate body with a fixed shape, but may also be a silica gel frame body capable of being deformed in a recovering manner. When the arm is bound with the second arc-shaped concave surface of the arc-shaped frame body 2 and the cuff body 1, the bending radian of the second arc-shaped concave surface of the arc-shaped frame body 2 can be changed and the arm can be attached more. So set up for two parts in cuff body 1 and the second arc concave surface exert more power to the arm, make the application of force increase of cuff body 1 to the arm, can improve the accuracy degree that blood pressure measuring device measured the vascular wall pressure.

The utility model discloses in, the ware 3 is accomodate to the sleeve area is including accomodating casing 31, pivot 39 and detent. A rotary motor 319 is provided at the center of the upper end of the storage case 31. The rotating electrical machine 319 establishes an electrical connection with a power source. An output end of the rotating motor 319 is connected to one end of the rotating shaft 39. The other end of the rotating shaft 39 is rotatably connected to the center of the inner wall of the lower end of the storage case 31. A spiral torsion spring 318 is provided on the rotation shaft 39. The side wall of the receiving case 31 is provided with a protruding cuff constriction 4. The cuff constricting orifice 4 extends into the storage case 31. The first end of the cuff body 1 is connected to the rotation shaft 39 and wound along the extending direction of the spiral torsion spring 318. The second end of the cuff body 1 extends out of the cuff contraction port 4. The part of the cuff body 1 extending out of the cuff contraction port 4 is communicated with the blood pressure measuring device 9 through an inflation tube. The blood pressure measuring device 9 is a blood pressure monitor of the cuff portion of the existing blood pressure monitor.

The stopper device includes a stopper switch 33, a stopper plate 312, and a stopper spring 313. The housing case 31 is provided with a stopper switch opening 311. The stopper plate 312 is provided with a stopper switch 33. The stopper switch 33 partially extends out of the stopper switch opening 311. The stopper restriction plate 312 is connected to the inner wall of the storage case 31 by a plurality of stopper springs 313. The stopper plate 312 is provided with a stopper 314 on a side close to the side wall of the storage case 31. When the pull-out state of the cuff main body 1 is restricted, the stopper 314 is engaged with the cuff contraction opening 4. The stopper plate 312 and the cuff contraction port 4 clamp the cuff body 1, and the stopper spring 313 is in a stretched state. When the cuff body is not restricted from being pulled out, the stopper spring 313 is in a non-stretched state. The stop device can inflate only the cuff body 1 with the length actually used, so that the air is prevented from entering the unused part of the cuff body 1, and effective pressurization is ensured.

Preferably, the receiving case 31 is provided with a limiting ring 310, and the limiting ring 310 is arranged around the outer side of the rotating shaft 39. The retainer 310 is provided with an opening 316 for allowing the cuff body 1 to protrude at a position corresponding to the cuff contraction port 4. The stop collar 310 is used to prevent the cuff body 1 from slipping off during rotation. The end surface of the stopper limiting plate 312 on the side close to the stopper 314 is provided with a spacer 315. The cushion 315 is a rubber cushion and prevents damage to the cuff body 1. Stop block 314 is a hard plastic pad.

However, the tightness with which the arm is bound by the cuff main body 1 can only be adjusted by using the cuff container 3 described above, and the user cannot directly specify the tightness with which the arm needs to be bound by the cuff main body 1. In the prior art, the degree of tightness of the cuff body 1 to which the arm needs to be bound is unclear to non-professionals. When the user in the single-family wears the arm, the blood pressure data measured by the blood pressure measuring device is inaccurate if the wearing is too loose; if the cuff is too tightly attached, the cuff body may cause pressure on the brachial artery, possibly resulting in a low blood pressure measurement. Therefore, how to make the user operate with one hand and tie up the cuff to the proper degree of tightness is also the technical problem that the utility model discloses further solve.

In order to solve the problem, the utility model discloses take in ware 3 and arc support body 3 to the sleeve area and carried out further improvement.

The cuff storage 3 is provided with an integrated circuit board 32 and a sound player 34. The sound player 34 and the integrated circuit board 32 establish a signal connection. The integrated circuit board 32 and the sound player 34 are electrically connected to a power supply, respectively.

At least one pressure sensor 5 is arranged on the second arc concave surface of the arc frame body 2. The pressure sensor 5 is used for collecting the pressure between the arc concave surface and the arm. The pressure sensor 5 is wired to the integrated circuit board 32 in the cuff receiver 3 to transmit data information.

The integrated circuit board 32 is provided therein with a logic circuit module, and the logic circuit module is preset with a pressure range. The logic circuit modules have a logical relationship of yes and no. The logic circuit module of the integrated circuit board is configured to: and receiving the pressure data sent by the pressure sensor 5, and when the pressure data reaches a preset pressure range, sending a first signal to the sound player 34 by the logic circuit module. The sound player 34 receives the first signal and emits a corresponding recorded sound. The sounds are for example: "please press the stop switch". When the pressure data does not reach the preset pressure range, the logic circuit module sends a second signal to the sound player 34. The sound player 34 receives the second signal and emits a corresponding recorded sound. The sound is for example: "please continue tightening the cuff". When the pressure data exceeds the preset pressure range, the logic circuit module sends a third signal to the sound player 34. The sound player 34 receives the third signal and emits a corresponding recorded sound. The sound is for example: please relax the cuff and operate again.

Preferably, the integrated circuit board 32 is also capable of establishing line connection with the rotating electrical machine 319 through a digital signal switch to transmit data information. The logic circuit modules of the integrated circuit board 32 are configured to: and receiving pressure data sent by the pressure sensor 5, and when the pressure data reaches a preset pressure range, sending a first signal to the digital signal switch by the logic circuit module. The digital signal switch receives the first signal and stops the rotation of the rotating motor 319. And when the pressure data does not reach the preset pressure range, the logic circuit module sends a second signal to the digital signal switch. The digital signal switch receives the second signal and starts the rotating motor 319 to rotate continuously, tightening the cuff body 1. And when the pressure data exceeds the preset pressure range, the logic circuit module sends a third signal to the digital signal switch. The digital signal switch receives the third signal and reversely controls the rotation motor 319 to rotate 10 °, so that the cuff body 1 extends from the cuff container 3 and reduces the pressure applied to the arm. Through setting up the digital signal switch, realized that integrated circuit carries out the regulation of automatic length to sleeve area body 1 through the pressure data of pressure sensor collection for sleeve area body 1 and arc support body 2 can be in appropriate pressure range to the pressure of arm, with the accuracy degree that improves blood pressure measuring device 9 and measure the blood pressure of user's arm.

Since the user is not a professional caregiver, there may be a case where the position of the cuff is set to be inappropriate, for example, on the forearm or in a position on the arm side, and the pressure of the blood vessel wall cannot be accurately obtained due to the inaccurate position of the cuff, which may make it difficult for the blood pressure measuring device 9 to measure accurate blood pressure data.

In order to solve the problem, the second arc concave surface of the arc frame body 2 of the utility model is provided with at least one physiological sensor 6. The physiological sensor 6 and the pressure sensor 5 may be arranged adjacent to each other or at a distance from each other. Under the condition that the arm is attached to the second arc-shaped concave surface of the arc-shaped frame body 2, the physiological sensor 6 is used for collecting the pulse parameters of the arm. The physiological sensor 6 establishes an electrical connection with the power source. The physiological sensor 6 is connected with the integrated circuit board through a line to transmit information. The integrated circuit board 32 is internally provided with a logic circuit module, and the logic circuit module is also preset with a pulse data sample. The logical relationship of yes and no exists in the logic circuit module. The logic circuit modules of the integrated circuit board 32 are configured to: and receiving the pulse data sent by the physiological sensor 6, and when the pulse data is similar to the pulse data sample, indicating that the pulse signal is clear, sending a fourth signal to the sound player 34 by the logic circuit module. The sound player 34 receives the fourth signal and emits a corresponding recorded sound. The sound is for example: "the measurement position is good". When the pulse data is not similar to the pulse data sample, indicating that the pulse signal is unclear, the logic circuit module sends a fifth signal to the sound player 34. The sound player 34 receives the fifth signal and emits a corresponding recorded sound. The sound is for example: "the measurement position is not good, please adjust the measurement position". So set up, remind through pronunciation to make the user adjust the cuff to better measurement position to improve the accuracy degree that blood pressure measuring device 9 measured blood pressure.

Preferably, the wiring with the pressure sensor 5 and/or the physiological sensor 6 is arranged along the arc-shaped side of the arc-shaped frame body 2 to avoid bending of the wiring.

The utility model also provides a blood pressure meter includes at least the utility model provides a sleeve area and blood pressure measurement device 9, sleeve area body 1 in the sleeve area is connected with blood pressure measurement device 9 through the gas tube.

The method of using the cuff is as follows.

The user sits at the table with the upper arm hanging down naturally and the elbow and forearm hanging up naturally on the armrest of the chair or on a low table. Do not put the entire arm flat on a table above the heart or use a mattress to put the upper arm too high. Otherwise, the blood pressure measurement value will be about 8mmHg lower every time the cuff position is 10cm higher than the heart. The user pulls out the part of the cuff body 1 from the cuff container 3, or turns on the switch, and starts the rotating motor to rotate the part of the cuff body 1 out, so that the ring formed by the cuff body 1 and the second arc-shaped concave surface of the arc-shaped frame body 2 is expanded. The user puts the arm needing to measure the blood pressure into the second arc-shaped concave surface. The user starts the switch to rotate the rotation motor reversely and roll the cuff body 1 into the cuff receiver 3, so that the ring formed by the cuff body 1 and the second arc-shaped concave surface of the arc-shaped frame body 2 is reduced and the arm is pressed. Wherein, the second arc concave surface is attached to the bending surface of the arm. When the user hears the "measured position is good" sound, the user does not adjust the position. When the user hears the sound of "the measurement position is not good, please adjust the measurement position", the user adjusts the position and restarts to start the switch of the rotation motor. Until a "good measured position" sound is heard. When the user hears the sound of "please press the stop switch", the user presses the stop switch. In the automatic mode, the rotating electric machine is automatically stopped based on the control of the digital signal switch. At this time, the blood pressure measuring device 9 inflates the air bag in the cuff body 1 and measures the blood pressure.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents. The present description contains a plurality of inventive concepts such as "preferably", "according to a preferred embodiment" or "optionally" each indicating that the respective paragraph discloses a separate concept, the applicant reserves the right to file a divisional application according to each inventive concept.

Claims (10)

1. A cuff of a blood pressure instrument, which is characterized by at least comprising a cuff body (1), an arc frame body (2) and a cuff container (3),

the arc-shaped frame body (2) is a wavy frame body, the cuff accommodator (3) is arranged at the first arc-shaped concave surface of the first surface of the arc-shaped frame body (2),

the first end of the cuff body (1) is connected with the cuff container (3) in a telescopic way and penetrates and extends out of the second surface of the arc frame body (2),

the second end of the cuff body (1) is connected with the connecting end (8) at the second arc-shaped concave surface of the second surface of the arc-shaped frame body (2), so that the cuff body (1) and the second arc-shaped concave surface of the arc-shaped frame body (2) form an annular structure capable of binding arms.

2. A cuff as claimed in claim 1, wherein said cuff receiver (3) is arranged in a relatively fixed manner at a first curved concave surface of a first face of said curved frame body (2).

3. Cuff for a blood pressure instrument according to claim 2, wherein the cuff constriction (4) of the cuff holder (3) is adapted for a telescopic movement of the first end of the cuff body (1),

the opening direction of the cuff contraction opening (4) faces to a second arc-shaped concave surface of the second surface of the arc-shaped frame body (2),

the cuff contraction opening (4) is arranged at the transition position between the second arc-shaped concave surface and the second arc-shaped concave surface of the arc-shaped frame body (2).

4. The cuff of a blood pressure monitor as claimed in claim 3, wherein the arc frame body (2) is a deformable silicone frame body,

when the cuff body (1) and the second arc-shaped concave surface of the arc-shaped frame body (2) bind the arm, the bending radian of the second arc-shaped concave surface of the arc-shaped frame body (2) can be changed and attached to the arm.

5. A cuff of a blood pressure monitor as claimed in claim 4, wherein the second arc concave surface of the arc frame body (2) is provided with at least one pressure sensor (5),

the pressure sensor (5) is used for collecting the pressure between the arc-shaped concave surface and the arm.

6. A cuff as claimed in claim 5, wherein the second arc-shaped concave surface of the arc-shaped frame body (2) is provided with at least one physiological sensor (6),

under the condition that the arm is attached to the second arc-shaped concave surface of the arc-shaped frame body (2), the physiological sensor (6) is used for collecting pulse parameters of the arm.

7. A cuff for a blood pressure monitor according to claim 6, wherein the wiring with the pressure sensor (5) and/or the physiological sensor (6) is arranged along the arc-shaped side of the arc-shaped frame body (2) to avoid bending of the wiring.

8. A cuff as claimed in claim 7, characterized in that said cuff body (1) is connectable to a blood pressure measuring device (9) through an inflation tube.

9. A cuff for a blood pressure monitor according to claim 8, wherein a digital signal switch, a spiral torsion spring, a rotary motor and a rotary shaft are provided in a housing of the cuff receiver (3),

the digital signal switch is connected with the rotating motor,

the output end of the rotating motor is connected with one end of a rotating shaft, the other end of the rotating shaft is connected with the shell in a rotatable way,

a spiral torsion spring is arranged on the rotating shaft, the first end of the cuff body (1) is connected with the rotating shaft and is wound along the extending direction of the spiral torsion spring,

the digital signal switch is used for controlling the opening and closing of the rotating shaft and changing the rotating direction.

10. A blood pressure monitor, comprising at least a cuff according to any one of claims 1 to 6 and a blood pressure measuring device (9),

the cuff body (1) in the cuff is connected with a blood pressure measuring device (9) through an inflation tube.

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