CN116807484B - Electrocardiogram detection electrode support arm with adjustable length and portable electrocardiograph - Google Patents

Abstract

The application provides an electrocardio detection electrode support arm with adjustable length and a portable electrocardio instrument, wherein the electrocardio detection electrode support arm comprises: the electrocardiograph comprises a fixed arm section, a support main body, a first detection electrode, a second detection electrode and a sliding rail, wherein the fixed arm section is connected with the support main body of the electrocardiograph in a turnover way, and the first detection electrode is arranged on the proximal surface of the fixed arm section; the telescopic arm section, be provided with the second detection electrode on the nearly face of telescopic arm section, still have the slider on the telescopic arm section, the slider can be followed the length direction slip cap of slide rail in the outside of slide rail. The application can enable the second detection electrode to be adjusted and accurately positioned at the target positions of different body types according to the different body types of the user, and improves the accuracy of the electrocardiograph detection output result.

Description

Electrocardiogram detection electrode support arm with adjustable length and portable electrocardiograph

Technical Field

The application belongs to the technical field of portable electrocardiograph design, and particularly relates to an electrocardiograph detection electrode support arm with an adjustable length and a portable electrocardiograph.

Background

The traditional twelve-lead electrocardiograph adopts the Wilson twelve-lead system, and the lead of the electrocardiograph detection system with the structure is more and easy to wind, the detection point is complex in position and can be completed by professional personnel, and the electrocardiograph detection operation is difficult to master for ordinary people, so that the electrocardiograph detection system cannot be conveniently used in common people. Based on the foregoing shortcomings of the conventional twelve-lead electrocardiograph, some portable electrocardiographs are proposed in the related art, but the portable electrocardiographs are difficult to adapt to individual differences of different user sizes due to design problems, especially for a V6 detection electrode, which needs to be positioned relatively accurately to the 3/4 intercostal armpit central line position on the left side of a human body during specific detection, while a support arm with a fixed length cannot adapt to users with different sizes, especially users with large fat-thin differences, especially for a support arm with a turnover storage design, because the position of a turnover connection part of the support arm is relatively determined, the position of the V6 detection electrode of the user with different sizes cannot be adjusted by changing the relative position between the support arm and a support main body, and the electrocardiograph detection output result has a distortion risk due to the fact that the contact point of the detection electrode cannot be positioned at the target position. The present application has been made in view of the foregoing technical problems.

Disclosure of Invention

The application provides an electrocardio detection electrode support arm with adjustable length and a portable electrocardio instrument, which can solve the technical problem that the electrocardio detection output result is at risk of distortion because the length of the electrocardio detection electrode support arm which is connected to a support main body in a turnover way cannot be adjusted so that a V6 detection electrode arranged on the electrocardio detection electrode support arm cannot be accurately positioned at target positions of different body types in the prior art.

In order to solve the above problems, the present application provides an electrocardiograph detection electrode support arm with adjustable length, comprising:

the first end of the fixed arm section is used for being connected with a bracket main body of an electrocardiograph in a turnover way, a first detection electrode is arranged on the proximal surface of the fixed arm section, and a sliding rail arranged along the length extension direction of the fixed arm section is also arranged on the fixed arm section;

the telescopic arm section, be provided with the second detection electrode on the nearly face of telescopic arm section, still have the slider on the telescopic arm section, the slider can be followed the length direction slip cap of slide rail in the outside of slide rail.

In some embodiments of the present application, in some embodiments,

the sliding rail is provided with a wiring groove penetrating through two ends of the sliding rail along the length direction of the sliding rail, the cross section of the wiring groove is U-shaped, an opening of the U-shaped is towards one side of the near body surface of the fixed arm section and one side of the near body surface of the telescopic arm section, and cables respectively provided with the first detection electrode and the second detection electrode at least partially penetrate through the wiring groove.

In some embodiments of the present application, in some embodiments,

two opposite side walls of the sliding rail are respectively provided with a sliding rail extending along the length direction of the sliding rail, a plurality of ball holes are formed in positions of the sliding block corresponding to the sliding rails, and balls are clamped between the ball holes and the sliding rails.

In some embodiments of the present application, in some embodiments,

the wall surface of the sliding rail, which is away from the wiring groove, is provided with a positioning convex strip, and the positioning convex strip is provided with a plurality of positioning protrusions.

In some embodiments of the present application, in some embodiments,

the opening end of the slideway is provided with a limiting hole, and a limiting piece is connected in the limiting hole; and/or the two side walls of the slide rail, on which the slide rail is constructed, are also provided with positioning holes.

In some embodiments of the present application, in some embodiments,

the fixed arm section further comprises a first electrode shell, the first detection electrode is positioned on the proximal surface of the first electrode shell, and the first electrode shell is detachably connected to the proximal surfaces of the first fixed shell and the second fixed shell.

In some embodiments of the present application, in some embodiments,

the telescopic arm section further comprises a second electrode shell, and the second detection electrodes are all positioned on the proximal surface of the second electrode shell; and/or, the electrode column casing of the first detection electrode is integrally formed with the first electrode shell, and the electrode column casing of the second detection electrode is integrally formed with the second electrode shell.

In some embodiments of the present application, in some embodiments,

the fixed arm section is assembled with a rotating shaft assembly, the rotating shaft assembly comprises a rotating shaft, the rotating shaft is provided with a connecting part, and the connecting part is used for being detachably connected with the support main body.

In some embodiments of the present application, in some embodiments,

the rotating shaft assembly further comprises an outer cylinder, the rotating shaft is axially and movably connected with the outer cylinder in a coaxial mode, a spiral elastic piece is sleeved on the outer side of the rotating shaft, one end of the spiral elastic piece is fixedly connected with the outer cylinder, and the other end of the spiral elastic piece is fixedly connected with the rotating shaft.

The application also provides a portable electrocardiograph, which comprises a bracket main body, and a side bracket arm which is connected to the edge of the bracket main body in a turnover manner so as to correspond to the chest side of the heart of the detected user, wherein the side bracket arm is the electrocardiograph detection electrode bracket arm with the adjustable length.

The electrocardio detection electrode support arm with adjustable length and the portable electrocardio instrument provided by the application have the following beneficial effects:

the first end of the support arm of the electrocardiograph detection electrode is connected with the support main body in a reversible manner, so that the near-body surface of the support arm can be opposite to the near-body surface of the support main body after being turned over, and therefore physical protection is formed for each detection electrode on the support arm and damage of the detection electrode is prevented while the folding and storage of the support arm are realized and the structural compactness is improved; on the other hand, on the basis that the support arm can overturn, design the support arm into telescopic structure type, so can make on it the second detection electrode can be according to the different body types of user by the target position department that the accurate determination is located different body types, improve the accuracy of electrocardiograph's electrocardiograph detection output result.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the application, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present application, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic perspective view of an embodiment of an electrocardiograph detection electrode support arm with adjustable length according to the present application;

FIG. 2 is a schematic view of the internal structure of the panel of FIG. 1 with the fixed end panel and the telescoping section panel removed;

FIG. 3 is a schematic perspective view of the electrode holder arm of FIG. 1 from another perspective;

FIG. 4 is a top view of the ECG sensing electrode support arm of FIG. 3;

FIG. 5 is a cross-sectional view of A-A of FIG. 4;

FIG. 6 is a cross-sectional view of C-C of FIG. 4;

FIG. 7 is a schematic perspective view of the spindle assembly of FIG. 1;

FIG. 8 is a schematic perspective view of the ECG sensing electrode support arm of FIG. 1 from a further view;

FIG. 9 is a schematic perspective view of the sliding rail of FIG. 2;

FIG. 10 is a schematic perspective view of a distal side of a portable electrocardiograph according to another embodiment of the present application, showing the respective support arms in a flipped open position for electrocardiographic detection;

FIG. 11 is a schematic perspective view of the proximal side of the portable electrocardiograph of FIG. 10;

fig. 12 is a schematic view of the portable electrocardiograph of fig. 10 with each support arm in a flipped storage position.

The reference numerals are expressed as:

1. a fixed arm section; 11. a first detection electrode; 12. a slide rail; 121. wiring grooves; 122. a slideway; 123. positioning convex strips; 1231. positioning the bulge; 124. a limiting hole; 125. positioning holes; 131. a first fixed housing; 1311. a flange ring; 132. a second fixed housing; 14. a first electrode case; 15. a spindle assembly; 151. a rotating shaft; 1511. a connection part; 152. an outer cylinder; 153. a spiral elastic member; 154. a gasket; 155. a screw; 16. a fixed section panel;

2. a telescoping arm section; 21. v5 detection electrode; 22. v6 detection electrode; 23. a slide block; 24. a second electrode case; 25. a telescoping section panel;

10. a holder main body; 101. LA detection electrode; 102. RA detection electrode; 103. v3 detection electrode; 104. a RL detection electrode; 20. an upper support arm; 201. v1 detection electrode; 202. v2 detection electrode; 30. a lower support arm; 301. LL detection electrode; 40. a side support arm; 50. and an electrocardio parameter display component.

Detailed Description

The following description of the embodiments of the present application 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 application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

Referring to fig. 1 to 12, according to an embodiment of the present application, and specifically referring to fig. 1, there is provided an electrocardiograph detection electrode support arm with adjustable length, including: a first end of the fixed arm segment 1 is used for being connected with a bracket main body 10 provided by an electrocardiograph in a reversible way, a first detection electrode 11 (in a specific embodiment, the first detection electrode 11 corresponds to a V4 detection electrode in twelve leads and is described below as a V4 detection electrode) is arranged on a proximal surface of the fixed arm segment 1, a sliding rail 12 is arranged on the fixed arm segment 1 along the length extending direction of the fixed arm segment, the proximal surface refers to a side wall surface of a corresponding part facing a detected user body when the electrocardiograph is in an electrocardiograph detection state, and the opposite surface is a distal surface, namely, the corresponding part faces away from the detected user body when the electrocardiograph is in an electrocardiograph detection state; the telescopic arm section 2, be provided with the second detection electrode on the proximal surface of telescopic arm section 2, aforesaid second detection electrode is used for the location to detect the human left side 3/4 intercostal armpit central line position of user, corresponds to twelve leads, and the second detection electrode includes V6 detection electrode 22 at least, in a preferred embodiment, the second detection electrode still includes V5 detection electrode 21, and the second detection electrode still has slider 23 on the telescopic arm section 2, slider 23 can be followed the length direction slide sleeve who follows slide rail 12 in the outside of slide rail 12, so make telescopic arm section 2 slidable telescopic connection in the second end of fixed arm section 1.

In the technical scheme, the first end of the support arm of the electrocardiograph detection electrode is connected with the support main body 10 in a reversible manner, so that the near-body surface of the support arm can be opposite to the near-body surface of the support main body 10 after being turned over, and therefore, the physical protection is formed for each detection electrode on the support arm and the damage of the detection electrode is prevented while the folding and storage of the support arm are realized and the structural compactness is improved; on the other hand, on the basis that the support arm can be overturned, the support arm is designed to be of a telescopic structure type, so that the second detection electrode (in a specific embodiment, the V6 detection electrode 22) can be accurately positioned at target positions of different body types according to the fact that the user is adjusted and accurately positioned, and the accuracy of electrocardiograph detection output results is improved.

Referring to fig. 9, in some embodiments, the sliding rail 12 has a wire groove 121 penetrating through two ends of the sliding rail along a length direction thereof, a cross section of the wire groove 121 is U-shaped, an opening of the U-shape faces to a near body surface side of the fixed arm section 1 and the telescopic arm section 2, and cables respectively provided for the first detection electrode 11 and the second detection electrode at least partially penetrate through the wire groove 121. In a specific embodiment, the width of the wiring groove 121 is about 10mm, and the cables of each detection electrode are routed in the wiring groove 121, and the sliding rail 12 is fixedly connected with the fixed arm section 1, so that the positions of the cables relative to the fixed arm section 1 do not change during the telescopic adjustment of the telescopic arm section 2, and the cables can be protected from abrasion caused by friction during the length adjustment.

With continued reference to fig. 9, two opposite side walls of the sliding rail 12 are each configured with a sliding rail 122 extending along a length direction thereof, one end of the sliding rail 122 away from the telescopic arm section 2 is a blind end, one end of the sliding rail 122 close to the telescopic arm section 2 is an open end, a plurality of ball holes (not shown in the drawing) are formed in positions of the sliding block 23 corresponding to the sliding rails 122, the ball holes are arranged at intervals along the length direction of the sliding block 23, and balls (not shown in the drawing) are clamped between the ball holes and the sliding rail 122.

In this technical scheme, through a plurality of balls of centre gripping between slider 23 and slide rail 12, can make the relative sliding process of both more smooth and easy, promotes the operating convenience of length adjustment. It should be noted that the blind end of the slide 122 can form a limit for the maximum retracted position of the slider 23.

As a more preferable embodiment, the open end is provided with a limiting hole 124, and a limiting piece (such as a limiting pin of an interference fit or a limiting stud of a threaded connection, etc.) is connected in the limiting hole 124, so that the maximum extending position of the telescopic arm segment 2 is limited by contacting with one side of the sliding block 23 away from the fixed arm segment 1, thus, the aforesaid open end realizes the purpose of limiting the maximum extending position of the sliding block 23 while realizing the assembly of the balls so as to enable the sliding block 23 to be in sliding connection with the sliding rail 12, and the limiting device is also used for realizing the purpose of limiting the maximum extending position of the sliding block 23.

Referring to fig. 2 and 9, a wall surface of the sliding rail 12 facing away from the wiring groove 121 is provided with a positioning protruding strip 123, the positioning protruding strip 123 is provided with a plurality of positioning protrusions 1231, the positioning protrusions 1231 are arranged along a length direction of the positioning protruding strip 123 at intervals, the fixing arm section 1 includes a first fixing shell 131 and a second fixing shell 132 assembled with each other along a width direction of the fixing arm section 1, a clamping gap (not labeled in the drawing) is formed between the first fixing shell 131 and the second fixing shell 132, positioning grooves (not labeled in the drawing) corresponding to the positioning protrusions 1231 are formed on opposite wall surfaces of the clamping gap, the positioning protruding strip 123 is clamped in the clamping gap, and the positioning protrusions 1231 are correspondingly positioned in the positioning grooves.

In this technical scheme, fixed arm section 1 adopts first fixed shell 131 and second fixed shell 132 both to assemble the combination and forms, can do benefit to its structural design in first end position department, and do benefit to the manufacturing and processing degree of difficulty that reduces fixed arm section 1, at this moment, location sand grip 123 on slide rail 12 can be in the centre gripping gap that first fixed shell 131 and second fixed shell 132 both assemble the in-process centre gripping between the two and form the prepositioning through location protruding 1231 and positioning groove, when making form fixed connection between slide rail 12 and the fixed arm section 1, the equipment between the scattered part of three of being convenient for reduces the equipment degree of difficulty.

On the basis of the pre-positioning, the two side walls of the slide rail 12, which are configured with the slide ways 122, are further configured with positioning holes 125, and the first fixing shell 131 and the second fixing shell 132 are respectively bolted in each positioning hole 125 through screw members (such as screws).

That is, the sliding rail 12 in the present application forms a primary positioning by the positioning protruding strip and the first fixing case 131 and the second fixing case 132, and forms a secondary positioning by the screw member, so as to ensure the position reliability of the sliding rail 12, and further ensure smooth telescopic adjustment of the telescopic arm section 2.

The fixed arm section 1 further includes a first electrode shell 14, the first detection electrode 11 is located on a proximal surface of the first electrode shell 14, and the first electrode shell 14 is detachably connected to the proximal surfaces of the first fixed shell 131 and the second fixed shell 132.

That is, in this embodiment, the first electrode housing 14 is formed and assembled independently of other components in the fixed arm section 1, which is advantageous for the integrated formation of the detection electrode, and the first and second fixed housings 131 and 132 are used as one of the connecting components for flip connection on the one hand and as the assembly carrier for the first electrode housing 14 on the other hand.

Referring specifically to fig. 5, the telescopic arm section 2 further includes a second electrode shell 24, the second detection electrode is located on a proximal surface of the second electrode shell 24, and the cross section of the sliding block 23 is U-shaped, the U-shaped opening of the sliding block 23 faces the second electrode shell 24 and is connected to a distal surface of the second electrode shell 24, and the sliding block 23 with a U-shaped cross section is inversely buckled on three outer side surfaces of the sliding rail 12, so that stable reliability of sliding connection between the sliding block 23 and the sliding rail 12 can be ensured.

In a preferred embodiment, the first detection electrode 11 has an electrode cylinder integrally formed with the first electrode housing 14, and the second detection electrode has an electrode cylinder (not referenced) integrally formed with the second electrode housing 24. The integrally formed electrode cylinders do not need to be assembled, so that the assembly efficiency of each detection electrode can be improved.

Referring to fig. 2 and 6 in combination, in some embodiments, a first through hole (not shown) is formed at an end portion of the first fixing case 131 corresponding to the first end, a second through hole (not shown) is formed at an end portion of the second fixing case 132 corresponding to the first end, a flange ring 1311 is formed at a side opening of the first through hole away from the second fixing case 132, a rotating shaft connection can be formed between the flange ring 1311 and a corresponding connection ear seat on the support body 10, and cables of the first detection electrode 11 and the second detection electrode can be led out from a hollow structure corresponding to the first through hole through the flange ring 1311, so that the structural design of the electrocardiograph is simplified.

Referring specifically to fig. 6, the second through hole is internally assembled with a rotating shaft assembly 15, the rotating shaft assembly 15 includes a rotating shaft 151, the rotating shaft 151 has a connection portion 1511, the connection portion 1511 is configured to be detachably connected with the bracket main body 10, and the connection portion 1511 has an extended connection position protruding outside the aperture of the second through hole and a retracted insertion position hidden inside the aperture of the second through hole. In this technical scheme, the rotatable connection between the second fixing shell 132 and the corresponding connection ear seat of the support body 10 is realized through the rotating shaft assembly 15, so that the first fixing shell 131 can be connected with the corresponding connection ear seat on the support body 10 through the flange ring 1311 in a rotating shaft manner, and thus the two can jointly form the realization of the overturning function of the electrocardiograph detection electrode support arm. Referring to fig. 1, the aforementioned connection portion 1511 is specifically a plate structure, which has a connection hole, and the corresponding ear seat is correspondingly configured with a corresponding through slot (not shown in the drawing), and the ear seat is a housing structure having an inner space, when the bracket arm is assembled, the connection portion 1511 is forced to be in a retracted insertion position, at this time, the first end of the bracket arm can be inserted into the gap space between the two ear seats, the flange ring 1311 is rotatably inserted into the ear seat through hole on one side, after the rotation of the spindle assembly 15 is coaxial with the ear seat through hole, the connection portion 1511 is switched from the retracted insertion position to the extended connection position, that is, the connection portion 1511 will extend into the aforementioned through slot, at this time, the position of the connection portion 1511 can be fixed on the inner side of the bracket body 10, at this time, it can be understood that the second fixing housing 132 can rotate relative to the spindle assembly 15. In this technical scheme, after the position of connecting portion 1511 switches over and makes the support arm can be independent of support main part 10 alone and assemble the back, with its first end and support main part 10 reassemble as an organic wholely again with an integral mode, only need with connecting portion 1511 with support main part 10 be connected can, and connecting portion 1511 that can retract can make the gap between support arm and the ear seat after the equipment is accomplished less, has promoted the outward appearance uniformity.

Referring further to fig. 6, the rotating shaft assembly 15 is rotatably connected with the second fixing shell 132 by a structure that the rotating shaft assembly 15 further includes an outer cylinder 152 fixedly connected with the second fixing shell 132, the rotating shaft 151 is axially movably coaxially connected with the outer cylinder 152, a spiral elastic member 153 is sleeved on the outer side of the rotating shaft 151, one end of the spiral elastic member 153 is fixedly connected with the outer cylinder 152, and the other end of the spiral elastic member 153 is fixedly connected with the rotating shaft 151.

In this technical solution, the spiral elastic member 153 can provide a reverse elastic force for the rotation of the rotating shaft 151, so that the support arm has a pre-force for approaching the proximal surface of the support arm to the proximal surface of the support main body 10, and the force can make each detection electrode on the support arm reliably contact with the human body during the electrocardiograph detection process, so as to ensure the electrocardiograph detection effect; on the other hand, the spiral elastic member 153 further has a compression elastic force in the axial direction, and the compression elastic force can drive the connection portion 1511 (i.e., the rotation shaft 151) to move in the axial direction together with an external force applied by a user, so as to switch between the extended connection position and the retracted insertion position. Specifically, the shaft 151 has a small diameter shaft end, which is inserted into the through hole on the bottom of the outer cylinder 152, and the spacer 154 and the screw 155 limit the displacement of one side of the small diameter shaft end, the shaft 151 further has a large diameter shaft end, and the spiral elastic member 153 is clamped between the large diameter shaft end surface and the bottom of the outer cylinder 152, so when the user applies an external force to the connection portion 1511 to compress the spiral elastic member 153, the connection portion 1511 moves close to the bottom of the cylinder and then retracts into the second through hole to switch the position of the connection portion 1511, otherwise, after the external force is released, the connection portion 1511 is extended under the restoring force of the spiral elastic member 153 to switch from the retracted insertion position to the extended connection position.

Referring to fig. 1, a fixing section panel 16 is connected to the distal surface of the fixing arm section 1, and a telescopic section panel 25 is connected to the distal surface of the telescopic arm section 2, so as to improve the overall aesthetic property of the support arm.

Referring to fig. 10 to 12 in combination, there is also provided a portable electrocardiograph according to an embodiment of the present application, including a stand body 10, an upper stand arm 20 rotatably connected to an upper edge of the stand body 10, a lower stand arm 30 rotatably connected to a lower edge of the stand body 10, and a side stand arm 40 rotatably connected to a left side edge of the stand body 10 to correspond to a chest side where a heart of a user to be detected is located, the side stand arm 40 being the above-mentioned electrocardiograph detection electrode stand arm with an adjustable length. The far surface of the bracket main body 10 is provided with an LA detection electrode 101 and an RA detection electrode 102 corresponding to the left arm and the right arm of the detected user respectively, and the near surface is provided with a V3 detection electrode 103 and an RL detection electrode 104; a V1 detection electrode 201 and a V2 detection electrode 202 are arranged on the near body surface of the upper support arm 20; the proximal surface of the lower support arm 30 is provided with an LL detection electrode 301.

The upper edge, the lower edge and the left edge are determined by the orientation of the electrocardiograph of the present application relative to the detected user in the use state. The above-mentioned LA detection electrode 101, RA detection electrode 102, V3 detection electrode 103, RL detection electrode 104, V1 detection electrode 201, V2 detection electrode 202, LL detection electrode 301, V4 detection electrode (i.e. the above-mentioned first detection electrode 11), V5 detection electrode 21 and V6 detection electrode 22 (i.e. the above-mentioned second detection electrode) are ten detection electrodes, and the naming rule is the same as that of the related detection electrodes (columns or sheets) of the conventional twelve-lead electrocardiograph detector, and the arrangement positions of the detection electrodes are according to the ergonomic design, so as to meet the requirements of the known twelve-lead wilson positioning system.

In the technical scheme, ten detection electrodes are reasonably arranged on the bracket main body 10, the upper bracket arm 20, the lower bracket arm 30 and the side bracket arm 40 according to the electrocardiograph detection positions, and corresponding electrode wires are arranged inside the bracket, so that the structure is compact, and the winding problem caused by long cables in the prior art is avoided; each support arm can be connected to the corresponding edge of the support main body 10 in a turnover manner, when a detected user needs to detect the electrocardio, each support arm can be unfolded and positioned easily, the detected user can position and complete the electrocardio detection only according to the reference positioning standard on the support main body 10 without professional operation, the operation detection is easy, the progress of pushing the electrocardiograph into the home is facilitated, and the electrocardiograph can be detected by the patient at home; when the electrocardiograph is not required to be detected, the support arms are turned and folded towards one side close to the body surface of the support main body 10, so that the support arms are rapidly stored, and the electrocardiograph in a storage state is compact in structure; it should be noted that, the detection surface of each detection electrode on each support arm in the folded and folded state will face the proximal surface of the support main body 10, and the detection electrodes are hidden inwards as a whole, which can protect the detection electrodes and effectively reduce the damage probability caused by abrasion or drop of each detection electrode.

The upper support arm 20, the lower support arm 30 and the side support arm 40 can be connected with the support body 10 in a reversible manner by conventional torque shaft structures (not shown and not labeled in the drawings), and each torque shaft structure can apply force to each corresponding support arm to enable each support arm to have a tendency of turning towards the turning storage state when the electrocardiograph is in the electrocardiograph detection state.

The support main body 10 is further provided with the electrocardio parameter display assembly 50 in an integrated manner, and the electrocardio parameter output by the electrocardio detection circuit board can be directly displayed by the display screen assembly of the electrocardio parameter display assembly 50 without the need of a user to display by means of intelligent terminals such as a mobile phone, a tablet personal computer and the like, so that the support main body is not limited by terminal equipment or a network, is particularly suitable for the old people, and is easy to use and popularize in the old people.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application. The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the application.

Claims (9)

1. An electrocardiographic detection electrode support arm of adjustable length, comprising:

the electrocardiograph comprises a fixed arm section (1), a support main body (10) which is arranged on the electrocardiograph and can be connected in a turnover mode, a first detection electrode (11) is arranged on the near body surface of the fixed arm section (1), and a sliding rail (12) which is arranged along the length extension direction of the fixed arm section (1) is also arranged on the fixed arm section;

the telescopic arm section (2), a second detection electrode is arranged on the near body surface of the telescopic arm section (2), a sliding block (23) is further arranged on the telescopic arm section (2), and the sliding block (23) can be sleeved on the outer side of the sliding rail (12) in a sliding manner along the length direction of the sliding rail (12);

the sliding rail (12) is provided with a wiring groove (121) penetrating through two ends of the sliding rail along the length direction;

two opposite side walls of the sliding rail (12) are respectively provided with a sliding rail (122) extending along the length direction;

a wall surface of the sliding rail (12) deviating from the wiring groove (121) is provided with a positioning convex strip (123), and the positioning convex strip (123) is provided with a plurality of positioning protrusions (1231); the positioning protrusions (1231) are arranged at intervals along the length direction of the positioning raised strips (123), the fixing arm section (1) comprises a first fixing shell (131) and a second fixing shell (132) which are mutually assembled along the width direction of the fixing arm section (1), a clamping gap is formed between the first fixing shell (131) and the second fixing shell (132), positioning grooves respectively corresponding to the positioning protrusions (1231) are formed on opposite wall surfaces of the clamping gap, the positioning raised strips (123) are clamped in the clamping gap, and the positioning protrusions (1231) are respectively and correspondingly positioned in the positioning grooves.

2. The electrocardiographic detection electrode support arm according to claim 1, wherein,

the cross section of the wiring groove (121) is U-shaped, the opening of the U-shaped is towards one side of the near body surface of the fixed arm section (1) and the telescopic arm section (2), and cables respectively provided with the first detection electrode (11) and the second detection electrode at least partially penetrate through the wiring groove (121).

3. The electrocardiographic detection electrode support arm according to claim 2, wherein,

a plurality of ball holes are formed in positions, corresponding to the sliding ways (122), of the sliding blocks (23), and balls are clamped between the ball holes and the sliding ways (122).

4. The electrocardiographic detection electrode support arm according to claim 1, wherein,

the opening end of the slideway (122) is provided with a limiting hole (124), and a limiting piece is connected in the limiting hole (124); and/or, the slide rail (12) is provided with positioning holes (125) on two side walls of the slide rail (122).

5. The electrocardiographic detection electrode support arm according to claim 1, wherein,

the fixed arm section (1) further comprises a first electrode shell (14), and the first detection electrode (11) is positioned on the proximal surface of the first electrode shell (14).

6. The electrocardiographic detection electrode support arm according to claim 5, wherein,

the telescopic arm section (2) further comprises a second electrode shell (24), and the second detection electrodes are all positioned on the proximal surface of the second electrode shell (24); and/or, the electrode column casing of the first detection electrode (11) is integrally formed with the first electrode shell (14), and the electrode column casing of the second detection electrode is integrally formed with the second electrode shell (24).

7. The electrocardiographic detection electrode support arm according to claim 1, wherein,

the fixed arm section (1) is assembled with a rotating shaft assembly (15), the rotating shaft assembly (15) comprises a rotating shaft (151), the rotating shaft (151) is provided with a connecting portion (1511), and the connecting portion (1511) is used for being detachably connected with the support main body (10).

8. The electrocardiographic detection electrode support arm according to claim 7, wherein,

the rotating shaft assembly (15) further comprises an outer cylinder (152), the rotating shaft (151) is axially and movably connected with the outer cylinder (152) in a coaxial mode, a spiral elastic piece (153) is sleeved on the outer side of the rotating shaft (151), one end of the spiral elastic piece (153) is fixedly connected with the outer cylinder (152), and the other end of the spiral elastic piece (153) is fixedly connected with the rotating shaft (151).

9. A portable electrocardiograph, characterized by comprising a holder body (10), a side holder arm (40) being connected to an edge of the holder body (10) so as to correspond to a chest side of a heart of a user to be detected, the side holder arm (40) being the electrocardiograph detection electrode holder arm of any one of claims 1 to 8, which is adjustable in length.