CN112704502A

CN112704502A - Guide type electrocardiogram electrode fixing device

Info

Publication number: CN112704502A
Application number: CN202110049771.XA
Authority: CN
Inventors: 秦小茹; 姜小飞; 张业明; 熊劼
Original assignee: Zhuhai Peoples Hospital
Current assignee: Zhuhai Peoples Hospital
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-04-27

Abstract

The invention discloses a guide electrocardiogram electrode fixing device, which comprises: the device comprises a shell, a material tank and a material conveying device, wherein the material tank is arranged in the vertical direction, and the bottom of the material tank is provided with an opening; the power assembly comprises a driving device and a screw rod, the screw rod is vertically and rotatably arranged in the shell, and the driving device is suitable for driving the screw rod to rotate; the pushing assemblies comprise two groups which are respectively arranged at the left side and the right side of the opening; the transmission assembly is connected with the screw rod and the pushing assemblies and is used for converting the rotation of the screw rod into opposite movement of the two groups of pushing assemblies; the electrode plates comprise a plurality of groups, and the electrode plates are stacked and arranged in the material groove; and the two groups of pushing assemblies move oppositely and are suitable for pushing the electrode plate out of the opening. The electrode fixing device has the advantages of stable transmission, good fixing effect, simple and labor-saving operation and the like, and can complete the sequential automatic fixing of a plurality of electrode plates without the operation of two hands.

Description

Guide type electrocardiogram electrode fixing device

Technical Field

The invention relates to the technical field of medical treatment, in particular to a guide type electrocardiogram electrode fixing device.

Background

The electrocardiogram instrument is an important device for detecting the heart function, which transmits the electrocardiogram vector generated in the process of cardiac depolarization and repolarization to all parts of the body through volume conduction and generates potential difference, the electrodes are positioned and fixed on the skin of the human body and connected with the electrocardiogram instrument to draw the electrocardiogram, and the circuit for placing the electrodes and connecting with the electrocardiogram instrument is called electrocardiogram chest lead. The electrocardiogram electrode slice is one of them comparatively main part, and current motor piece fixed mode need tear fixed operations such as glue, paste through artificial mode to need repeated multiple operation when needs fixed a too much electrode slice, artificial mode has complex operation hard, fixed inefficiency, attached effect shortcoming such as poor, has the position difference simultaneously, is difficult to accurate positioning shortcoming.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a guide type electrocardiogram electrode fixing device which can realize automatic attaching and fixing of electrode plates.

A guide-type electrocardiogram electrode fixing apparatus according to an embodiment of the present invention includes: the device comprises a shell, a material tank and a material conveying device, wherein the material tank is arranged in the vertical direction, and the bottom of the material tank is provided with an opening; the power assembly comprises a driving device and a screw rod, the screw rod is vertically and rotatably arranged in the shell, and the driving device is suitable for driving the screw rod to rotate; the pushing assemblies comprise two groups which are respectively arranged at the left side and the right side of the opening; the transmission assembly is connected with the screw rod and the pushing assemblies and is used for converting the rotation of the screw rod into the opposite movement of the two groups of pushing assemblies; the electrode plates comprise a plurality of groups, and the electrode plates are stacked and arranged in the material groove; the two groups of pushing components move oppositely and are suitable for pushing the electrode plate out of the opening.

The guide type electrocardiogram electrode fixing device provided by the embodiment of the invention has at least the following beneficial effects: the electrode fixing device has the advantages of stable transmission, good fixing effect, simplicity and labor saving in operation and the like, and can complete the sequential fixation of a plurality of electrode plates without two-hand operation.

According to some embodiments of the invention, a pusher assembly comprises: the pushing block is connected with the shell in a sliding mode and is suitable for being abutted to the electrode slice; the rack is arranged on the side part of the push block.

According to some embodiments of the invention, the bottom of the housing is provided with a sliding groove, and the bottom end of the push block is slidably mounted in the sliding groove.

According to some embodiments of the invention, one surface of the push block abutting against the electrode plate is a circular arc surface.

According to some embodiments of the invention, the transmission assembly includes a plurality of gears that are in meshing engagement, the gears being rotatably disposed within the housing, a connecting screw being present in the plurality of gears, and another of the plurality of gears being in meshing engagement with the rack.

According to some embodiments of the invention, the power assembly further comprises a push rod, the driving device comprises a linear voice coil motor, the push rod is slidably disposed in the housing, the upper end of the push rod is connected to the output end of the driving device, the lower end of the push rod is connected to the lead screw, the driving device is adapted to drive the push rod to vertically move, and the vertical movement of the push rod is adapted to drive the lead screw to rotate.

According to some embodiments of the invention, the bottom of the push rod is provided with a mounting hole, a slide block is fixed in the mounting hole, and the screw rod is connected with the push rod in a sliding manner through the slide block.

According to some embodiments of the invention, the housing is provided with a protrusion towards the material groove, the electrode plate is circular, and the side surface of the electrode plate is recessed inwards and provided with a notch matched with the protrusion.

According to some embodiments of the invention, the electrode plates are provided with clamping seams along the thickness direction, the top of the electrode plate is provided with a bearing sheet matched with the clamping seams, and the bearing sheet of one electrode plate can be inserted into the clamping seam of the other electrode plate.

According to some embodiments of the invention, two groups of receiving pieces and two groups of clamping seams are correspondingly arranged, and the two groups of receiving pieces are obliquely arranged towards two sides of the electrode plate.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the internal structure of the electrode fixing device for electrocardiogram of the present embodiment;

FIG. 2 is a schematic view of the entire structure of the electrocardiogram electrode fixing device of the present embodiment;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 4 is a cross-sectional view of the power assembly;

FIG. 5 is a schematic structural diagram of an electrode sheet in the embodiment;

reference numerals: a housing 100; a convex portion 101; a material tank 110; an opening 111; a chute 120; a power assembly 200; a drive device 210; a screw rod 220; a push rod 230; mounting holes 231; a slider 232; a pusher assembly 300; a push block 310; a rack 320; a transmission assembly 400; an electrode sheet 500; a notch 501; a card slot 502; a receiving tab 503.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", "vertical", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A guide-type electrocardiograph electrode fixing apparatus according to an embodiment of the present invention, referring to fig. 1, 2, includes: the shell 100 is provided with a material groove 110 in the vertical direction, wherein the shell 100 is cylindrical, the material groove 110 penetrates through the shell 100, an opening 111 is formed in the bottom of the material groove 110, and the specification of the opening 111 is smaller than that of the material groove 110; the power assembly 200 comprises a driving device 210 and a screw rod 220, the screw rod 220 is vertically and rotatably arranged in the casing 100, the driving device 210 is suitable for driving the screw rod 220 to rotate, in the embodiment, the casing 100 is provided with a through hole along the vertical direction, the driving device 210 is fixed on the upper surface of the casing 100 through a bolt, and the output end of the driving device penetrates through the through hole and is connected with the screw rod 220; the pushing assemblies 300 comprise two groups which are respectively arranged at the left side and the right side of the opening 111; the transmission assembly 400 is connected with the screw rod 220 and the pushing assemblies 300, and the transmission assembly 400 is used for converting the rotation of the screw rod 220 into the opposite movement of the two groups of pushing assemblies 300; the electrode plates 500 comprise a plurality of groups, the motor plates are matched with the specification of the material groove 110, and the electrode plates 500 are stacked in the material groove 110 and are erected on the opening 111; the driving device 210 drives the screw rod 220 to rotate, the rotation of the screw rod 220 drives the two groups of pushing assemblies 300 to move oppositely through the transmission assembly 400, the two groups of pushing assemblies 300 move oppositely and simultaneously press two sides of the electrode plate 500, wherein the electrode plate 500 is made of flexible materials such as silica gel or sponge, the electrode plate 500 generates elastic deformation under the action of the push rod 230, the electrode plate 500 is contracted inwards to be smaller than the size of the opening 111, and therefore the electrode plate 500 is pushed out from the opening 111.

In some embodiments of the present invention, referring to fig. 1 and 3, the pusher assembly 300 includes: the push block 310 is arranged at the bottom of the shell 100 in a sliding mode, and the push block 310 can abut against or be far away from the electrode plate 500 in a sliding mode; the rack 320 is fixed on the side of the push block 310 by a bolt.

In some embodiments of the present invention, referring to fig. 3, the bottom of the housing 100 is provided with two sliding grooves 120, the sliding grooves 120 are arranged along the left and right directions, the two sliding grooves 120 are respectively arranged on the left and right sides of the material groove 110, the bottom ends of the pushing blocks 310 are matched with the sliding grooves 120, and the pushing blocks 310 are slidably installed in the sliding grooves 120.

It should be understood that the sliding connection manner of the pushing block and the housing is not limited to the sliding groove structure in the embodiment, and a guide rod may be disposed at the bottom of the housing along the left-right direction, and one side of the pushing block is movably connected to the guide rod and can slide along the guide rod, so as to achieve the sliding connection between the pushing block and the housing.

Preferably, referring to fig. 3, one surface of the push block 310 abutting against the electrode pad 500 is an arc surface, and since the push block 310 moves towards the electrode pad 500, the contact surface is set to be an arc surface, so that the horizontal thrust direction is inclined downwards, the electrode pad 500 is subjected to a downward inclined thrust, and thus the electrode pad 500 is pressed and separated from the opening 111, and the downward thrust also helps the electrode pad 500 to be more stably fixed on the human body.

The arc surface of the pushing block is used for changing the direction of the pushing force so that the direction of the pushing force is inclined downwards.

In some embodiments of the present invention, referring to fig. 1, the transmission assembly 400 includes a plurality of gears engaged with each other, the gears are rotatably disposed at the bottom of the housing 100 through a rotating shaft structure, one of the plurality of gears is connected to the lead screw 220, and the other of the plurality of gears is engaged with the rack 320, in this embodiment, there are six sets of gears, including a first gear disposed at the bottom of the lead screw 220, the left side of the first gear is sequentially engaged with three sets of gears to connect with the rack 320 of the left pushing assembly 300, and the right side of the first gear is sequentially engaged with two sets of gears to connect with the rack 320 of the right pushing assembly 300, so as to ensure that the rotation directions of the two sets of gears finally engaged with the two sets of racks 320 are opposite, and to.

It should be noted that, in this embodiment, the opposite movement of the two groups of pushing assemblies is controlled by arranging six groups of gears, and the number of the gears is not limited to six groups in this embodiment, and may be even groups, such as four groups, eight groups, and the like.

In some embodiments of the present invention, referring to fig. 1 and 4, the power assembly 200 further includes a push rod 230, the push rod 230 is slidably disposed in the housing 100, an upper end of the push rod 230 is connected to an output end of the driving device 210, a lower end of the push rod 230 is connected to the lead screw 220, the driving device 210 is adapted to drive the push rod 230 to vertically move, and the vertical movement of the push rod 230 is adapted to drive the lead screw 220 to rotate, wherein the driving device 210 includes a linear voice coil motor, the housing 100 is provided with a through hole along a vertical direction, the push rod 230 is disposed in the through hole, a lower end of the push rod 230 is connected to the lead screw 220, an upper end of the push rod 230 penetrates through the through hole and extends toward the outside of the housing 100 and is connected to the output end of the driving device 210, the linear voice coil motor has characteristics of simple structure, small volume, high speed, high acceleration response speed, and the, meanwhile, the linear voice coil motor has an effect of controlling the reciprocating motion, and after one pushing operation is completed, the linear voice coil motor drives the push rod 230 to move upwards, so that the lead screw 220 is controlled to rotate reversely, and the pushing assembly 300 is reset to perform the next pushing operation.

It should be noted that, in this embodiment, the output end of the driving device and the lead screw are connected with each other through the push rod, and the driving device uses the linear voice coil motor to control the vertical movement of the push rod so as to drive the lead screw to rotate. The push rod is preferably a linear voice coil motor, and meanwhile, the push rod is connected with the lead screw, so that the vertical power of the linear voice coil motor is converted into the rotation of the lead screw, the advantages of high precision, quick response and capability of reciprocating motion of the linear voice coil motor can be effectively exerted, the sustainable work of the material pushing assembly is ensured, and the motion precision of the material pushing assembly is improved.

In some embodiments of the present invention, referring to fig. 4, the power assembly 200 further includes a sliding block 232, the bottom of the push rod 230 is provided with a mounting hole 231, the sliding block 232 is fixed in the mounting hole 231 through a bolt, meanwhile, the sliding block 232 is provided with a thread matching with the lead screw 220 along the vertical direction, the sliding block 232 is sleeved on the upper end of the lead screw 220, the vertical motion of the push rod 230 drives the sliding block 232 to move together, and since the lead screw 220 is fixed in the vertical direction, the sliding block 232 drives the lead screw 220 to rotate, so that the vertical motion of the push rod 230 is converted into the rotation of the.

In some embodiments of the present invention, referring to fig. 1 and 5, the casing 100 is provided with a protrusion 101 towards the material groove 110, the electrode sheet 500 is circular, the side surface of the electrode sheet 500 is recessed inward to form a notch 501 matched with the protrusion 101, and the guide filling of the electrode sheet 500 can be realized by the cooperation of the protrusion 101 and the notch 501, so that the phenomenon that the electrode sheet 500 rotates and deflects in the process of moving from top to bottom in the material groove 110 is avoided, and the accurate positioning of the material pushing assembly 300 is ensured.

In some embodiments of the present invention, referring to fig. 3 and 5, the electrode sheet 500 is provided with a seam 502 along the thickness direction, the top of the electrode sheet 500 is provided with a receiving piece 503 matched with the seam 502, the receiving piece 503 of one electrode sheet 500 can be inserted into the seam 502 of the other electrode sheet 500, wherein the width of the seam 502 is smaller than the thickness of the receiving piece 503, the length of the seam 502 is larger than the width of the receiving piece 503, because the electrode sheet 500 is made of a flexible material, the receiving piece 503 is inserted into the seam 502, because the width of the seam 502 is smaller than the thickness of the receiving piece 503, the receiving piece 503 is inserted into the seam 502, and the inner wall of the seam 502 generates static friction force to the receiving piece 503 to ensure fixation, thereby realizing the connection of two groups of adjacent electrode sheets 500.

In some embodiments of the invention, referring to fig. 3 and 5, two sets of receiving pieces 503 and two sets of clamping slots 502 are respectively provided, the two sets of receiving pieces 503 are arranged obliquely towards two sides of the electrode plate 500, and because the distance between the two sets of clamping slots 502 is fixed, the obliquely arranged receiving pieces 503 can prevent the electrode plate 500 from vertically sliding along the receiving pieces 503, so as to ensure the height difference between the upper and lower sets of electrode plates 500, thereby ensuring that the pushing assembly 300 enters between two sets of adjacent electrode plates 500, and ensuring the separation of the upper and lower sets of electrode plates 500.

Referring to fig. 1 to 5, the guide-type electrocardiogram electrode fixing apparatus of the present embodiment operates as follows: a plurality of electrode plates 500 which are mutually overlapped are preset in the material groove 110 of the shell 100, the electrode plates 500 are mutually overlapped through the matching of the bearing sheet 503 and the clamping seam 502, and the electrode plate 500 at the bottom end is erected at the opening 111; the driving device 210 is started to control the push rod 230 to move downwards, the push rod 230 drives the screw rod 220 to rotate through the sliding block 232, a gear is arranged at the bottom end of the screw rod 220, the racks 320 on the left side and the right side are driven to move towards the material groove 110 through gear transmission, the screw rod 220 drives the push block 310 to abut against and extrude the electrode plate 500 at the bottommost end, the electrode plate 500 is enabled to contract inwards to be smaller than the size of the opening 111, and the electrode plate 500 is pushed out from the opening 111 and fixed on a human body through oblique downward thrust due to the fact that the contact surface of the push rod 230; after the power assembly 200 drives the pushing assembly 300 to complete one-time pushing, the linear voice coil motor drives the push rod 230 to move upwards, so as to drive the screw rod 220 to rotate reversely, the screw rod 220 drives the two sets of racks 320 to move towards the direction away from the material groove 110 through gear transmission, the pushing assembly 300 leaves the material groove 110 to reset, the electrode plate 500 above drops to the opening 111 under the action of gravity and through the concave-convex matching of the convex part 101 of the shell 100 and the notch 501 of the electrode plate 500, so as to perform the next pushing operation.

In the description herein, references to the description of "some embodiments" mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A guide-type electrocardiograph electrode fixing device, comprising:

the device comprises a shell, a material tank and a material conveying device, wherein the material tank is arranged in the vertical direction, and the bottom of the material tank is provided with an opening;

the power assembly comprises a driving device and a screw rod, the screw rod is vertically and rotatably arranged in the shell, and the driving device is suitable for driving the screw rod to rotate;

the pushing assemblies comprise two groups which are respectively arranged at the left side and the right side of the opening;

the transmission assembly is connected with the screw rod and the pushing assemblies and is used for converting the rotation of the screw rod into opposite movement of the two groups of pushing assemblies;

the electrode plates comprise a plurality of groups, and the electrode plates are stacked and arranged in the material groove;

and the two groups of pushing assemblies move oppositely and are suitable for pushing the electrode plate out of the opening.

2. The apparatus of claim 1, wherein the pusher assembly comprises:

the pushing block is connected with the shell in a sliding mode and is suitable for abutting against the electrode plate;

and the rack is arranged on the side part of the push block.

3. The apparatus as claimed in claim 2, wherein the bottom of the housing is provided with a sliding slot, and the bottom end of the push block is slidably mounted in the sliding slot.

4. The apparatus as claimed in claim 2, wherein the surface of the push block abutting against the electrode plate is a circular arc surface.

5. The apparatus of claim 2, wherein said drive assembly comprises a plurality of gears in meshing engagement with one another, said gears being rotatably disposed within said housing, one of said plurality of gears being connected to said lead screw and the other of said plurality of gears being in meshing engagement with said rack.

6. The apparatus according to claim 1, wherein the power assembly further comprises a push rod, the driving device comprises a linear voice coil motor, the push rod is slidably disposed in the housing, an upper end of the push rod is connected to an output end of the driving device, a lower end of the push rod is connected to the lead screw, the driving device is adapted to drive the push rod to move vertically, and the vertical movement of the push rod is adapted to drive the lead screw to rotate.

7. The apparatus as claimed in claim 6, wherein the bottom of the rod is provided with a mounting hole, a slide block is fixed in the mounting hole, and the lead screw is slidably connected to the rod through the slide block.

8. The guide-type electrocardiogram electrode fixing device according to claim 1, wherein the housing is provided with a protrusion towards the material groove, the electrode plate is circular, and the side surface of the electrode plate is recessed inwards to form a notch matching with the protrusion.

9. The guide-type electrocardiogram electrode fixing device according to claim 1, wherein said electrode sheets are provided with a slit along the thickness direction, said electrode sheets are provided with a receiving piece on the top thereof matching with said slit, wherein said receiving piece of one of said electrode sheets can be inserted into said slit of the other of said electrode sheets.

10. The apparatus as claimed in claim 9, wherein two sets of the receiving pieces and the engaging slits are provided, and the two sets of the receiving pieces are inclined toward both sides of the electrode sheet.