Electrocardio-electrode clamp
By designing conductive plates and clamping blocks, adjusting the clamping angle, increasing the contact area, reducing torsional spring deformation, and using sponge material to prevent damage, the problem of damage when clamping small animals with existing ECG electrode clamps is solved, achieving safe and reliable clamping and accurate ECG testing.
Patent Information
- Application Number
- CN202422923827.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing ECG electrode clips are prone to causing damage when clamping small animals, affecting experimental results.
By designing conductive plates and clamping blocks, the clamping angle is adjusted to increase the contact area and reduce the deformation of the torsion spring, thereby reducing the clamping force. Conductive and flexible sponges are used to increase the contact area and prevent damage.
It enables safe and reliable clamping of small animals, reduces clamping force, and improves the accuracy of electrocardiogram testing.
Smart Images
Figure CN223695884U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, relates to a kind of electrocardiograph electrode clamp. BACKGROUND
[0002] Electrocardiograph electrode clamp is important accessory on electrocardiograph, for connecting the lead wire of electrocardiograph to the extremities or chest of patient, to record and monitor the cardiac electrical activity of patient;Electrocardiograph electrode clamp needs to clamp a part of patient's body to realize contact, but the existing electrocardiograph electrode clamp is often used for large animals such as human, and the clamping force of electrode clamp is very large, which can easily cause damage to small animals, such as mice, rats, tree shrews, chinchillas, hamsters, honey possums, etc., especially during the experiment process, electrode clamp often causes pain to small animals, which can affect electrocardiogram results.
[0003] Thus, there is a need for an electrocardiograph electrode clamp suitable for small animals. SUMMARY
[0004] The utility model provides a kind of clamping angle of clamping block A is adjusted by conducting plate, to increase the contact area of the clamping end of electrode clamp and small animal, while reducing the deformation degree of torsion spring, to further reduce the clamping force of electrode clamp when clamping, simple and efficient, safe and reliable, easy to operate electrocardiograph electrode clamp.
[0005] The utility model is realized through the following technical schemes, provide electrocardiograph electrode clamp, including the upper clamp piece and lower clamp piece that are hingedly connected by pivot, pivot is equipped with torsion spring, and the end of torsion spring is connected with the handle of upper clamp piece and lower clamp piece respectively;The inner surface of upper clamp piece is equipped with conducting plate, which extends along the extension direction of upper clamp piece and extends to the clamping end of upper clamp piece, and the conducting plate is connected with electrode buckle;The clamping end of upper clamp piece is hingedly connected with clamping block A extending along the extension direction of upper clamp piece through hinge shaft A, and the clamping space is formed between clamping block A and the clamping end of lower clamp piece;Clamping block A is connected with conducting plate, and conducting plate is made of elastic material, and the elastic coefficient of conducting plate is less than the stiffness coefficient of torsion spring;The clamping angle of clamping block A is adjusted by conducting plate, to increase the contact area of the clamping end of electrode clamp and small animal, while reducing the deformation degree of torsion spring, to further reduce the clamping force of electrode clamp when clamping.
[0006] As optimization, the clamping end of upper clamp piece is provided with a plurality of clamping blocks A, and a plurality of clamping blocks A are hingedly connected in sequence on clamping block A, and clamping block A is connected in sequence through conducting plate;Multiple clamping blocks A hingedly connected in sequence increase the contact area of the clamping end of electrode clamp and small animal, while reducing the deformation degree of torsion spring, to reduce the clamping force of electrode clamp when clamping.
[0007] As optimization, the clamping end of the upper clamping piece is hinged with a clamping block B extending along the extending direction of the lower clamping piece through a hinge shaft B, the clamping block B is sequentially hinged, and the axes of the hinge shaft A and the hinge shaft B are parallel to each other; the lower clamping piece is sequentially connected with the clamping block B through elastic pieces, the clamping block B is matched with the clamping block A, and a clamping space is formed between the clamping block A and the clamping block B; the clamping angle of the clamping block B is adjusted through the elastic pieces, the contact area between the clamping end of the electrode clamp and the small animal is increased through the sequentially hinged clamping blocks B, and meanwhile, the deformation degree of the torsion spring is reduced, so that the clamping force of the electrode clamp when clamping is reduced.
[0008] As optimization, the side of the clamping block A facing the clamping end of the lower clamping piece is provided with a conductive sponge, and the conductive sponge is connected with the conductive plate; the contact area between the clamping block A and the small animal is increased through the conductive sponge, so that the clamping block A is prevented from causing damage to the small animal.
[0009] As optimization, the side of the clamping block B facing the clamping block A is provided with a flexible sponge matched with the conductive sponge; the contact area between the clamping block B and the small animal is increased through the flexible sponge, so that the clamping block B is prevented from causing damage to the small animal.
[0010] As optimization, the conductive plate and the elastic piece are in arc-shaped structure, the inner arc surfaces of the conductive plate and the elastic piece are oppositely arranged, and the axes of the arc-shaped structure are parallel to the axis of the hinge shaft A; the clamping block A and the clamping block B are ensured to be in close contact with the small animal through the arc-shaped conductive plate and elastic piece, so that the small animal is prevented from being transmitted away from the extending direction of the upper clamping piece of the electrode clamp.
[0011] As optimization, the axis of the hinge shaft is parallel to the axis of the rotating shaft; the elastic force of the torsion spring is ensured to be along the.
[0012] The utility model discloses the beneficial effects are: through torsion spring drive upper clamping piece and lower clamping piece each other is close, through the conductive plate adjustment clamping block A's clamping angle, through the elastic piece adjustment clamping block B's clamping angle, sequentially hinged clamping block A and sequentially hinged clamping block B increase the contact area between the clamping end of electrode clamp and small animal, simultaneously reduce the deformation degree of torsion spring, thereby reduce the clamping force of electrode clamp when clamping, through the conductive sponge increase clamping block A and small animal's contact area, through the flexible sponge increase clamping block B and small animal's contact area, prevent clamping block A and clamping block B from causing damage to small animal, through the arc-shaped conductive plate and elastic piece of structure ensure that clamping block A and clamping block B are in close contact with small animal, so that the small animal is prevented from being transmitted away from the electrode clamp. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the sectional view of the utility model;
[0014] Figure 2 It is the structural schematic diagram (close state) of the utility model;
[0015] Figure 3 It is the structure schematic diagram (open state) of the utility model;
[0016] Figure 4 It is the structure schematic diagram of the conductive plate and the elastic sheet of the utility model;
[0017] As shown in the figure:
[0018] 1, upper clamping piece, 2, lower clamping piece, 3, pivot, 4, torsion spring, 5, conductive plate, 6, electrode buckle, 7, hinge shaft A, 8, clamping block A, 9, conductive sponge, 10, hinge shaft B, 11, clamping block B, 12, elastic sheet, 13, flexible sponge. DETAILED DESCRIPTION
[0019] In order to clearly illustrate the technical features of the present scheme, the present scheme will be described below through specific embodiments.
[0020] As Figures 1-3 shown, the utility model discloses an electrocardio electrode holder, including through pivot 3 mutual articulation's upper clamping piece 1 and lower clamping piece 2, pivot 3 is equipped with torsion spring 4, and the end of torsion spring 4 is connected with the handle of upper clamping piece 1 and lower clamping piece 2 respectively;Upper clamping piece 1 inner surface is equipped with the conductive plate 5 along the extension direction of upper clamping piece 1 and extends to the clamping end of upper clamping piece 1, and the conductive plate 5 is connected with electrode buckle 6;The clamping end of upper clamping piece 1 is hinged with the clamping block A 8 along the extension direction of upper clamping piece 1 through hinge shaft A 7, and the clamping space is formed between clamping block A 8 and the clamping end of lower clamping piece 2;Clamping block A 8 is connected with conductive plate 5, and the elastic modulus of conductive plate 5 is less than the stiffness coefficient of torsion spring 4, and electrode buckle 6 is fixedly connected on upper clamping piece 1.
[0021] The lead for electrocardiogram test is connected with electrode buckle 6, the handle of upper clamping piece 1 and lower clamping piece 2 is pressed, and torsion spring 4 contracts, and the clamping end of upper clamping piece 1 and lower clamping piece 2 is away from each other, and at the same time, upper clamping piece 1 drives clamping block A 8 to be away from the clamping end of lower clamping piece 2;The part of small animal needing to be clamped is placed between the clamping end of lower clamping piece 2 and clamping block A 8, and the handle of upper clamping piece 1 and lower clamping piece 2 is gradually loosened, and torsion spring 4 relaxes, and the clamping end of upper clamping piece 1 and lower clamping piece 2 is close to each other, and upper clamping piece 1 drives clamping block A 8 to be close to the clamping end of lower clamping piece 2, until clamping block A 8 contacts the part of small animal needing to be clamped;Continue to gradually loosen the handle of upper clamping piece 1 and lower clamping piece 2, and torsion spring 4 relaxes, and the clamping end of upper clamping piece 1 and lower clamping piece 2 is close to each other, and upper clamping piece 1 drives clamping block A 8 to continue to move towards the clamping end of lower clamping piece 2, and conductive plate 5 bends and drives clamping block A 8 to gradually fit with the part of small animal needing to be clamped on one side of the clamping end of lower clamping piece 2, until the handle of upper clamping piece 1 and lower clamping piece 2 is completely loosened, and the clamping of electrode holder to small animal is completed.
[0022] As Figures 1-3 shown, the clamping end of the upper clamping piece 1 is provided with a plurality of clamping blocks A8, the clamping blocks A8 are sequentially hinged, and the clamping blocks A8 are sequentially connected through the conductive plate 5.
[0023] The upper clamping piece 1 drives the clamping blocks A8 to approach the clamping end of the lower clamping piece 2 until the clamping blocks A8 contact the part of the small animal that needs to be clamped; continue to gradually loosen the handles of the upper clamping piece 1 and the lower clamping piece 2, the torsion spring 4 relaxes, the clamping ends of the upper clamping piece 1 and the lower clamping piece 2 approach each other, the upper clamping piece 1 drives the clamping blocks A8 to continue to move towards the clamping end of the lower clamping piece 2, the conductive plate 5 bends and drives the clamping blocks A8 to gradually fit the part of the small animal that needs to be clamped on one side of the clamping end of the lower clamping piece 2.
[0024] As Figures 1-3 shown, the clamping end of the upper clamping piece 1 is hinged with clamping blocks B11 extending along the extension direction of the lower clamping piece 2 through the hinge shaft B10, the clamping blocks B11 are sequentially hinged, and the axes of the hinge shaft A7 and the hinge shaft B10 are parallel to each other; the lower clamping piece 2 sequentially connects the clamping blocks B11 through the elastic sheet 12, the clamping blocks B11 are matched with the clamping blocks A8, and the clamping space is formed between the clamping blocks A8 and the clamping blocks B11.
[0025] Press the handles of the upper clamping piece 1 and the lower clamping piece 2, the torsion spring 4 contracts, the clamping ends of the upper clamping piece 1 and the lower clamping piece 2 move away from each other, and at the same time the lower clamping piece 2 drives the clamping blocks B11 to move away from the clamping end of the lower clamping piece 2; gradually loosen the handles of the upper clamping piece 1 and the lower clamping piece 2, the torsion spring 4 relaxes, the clamping ends of the upper clamping piece 1 and the lower clamping piece 2 approach each other, the lower clamping piece 2 drives the clamping blocks B11 to approach the clamping blocks A8 until the clamping blocks B11 contact the part of the small animal that needs to be clamped; continue to gradually loosen the handles of the upper clamping piece 1 and the lower clamping piece 2, the torsion spring 4 relaxes, the clamping ends of the upper clamping piece 1 and the lower clamping piece 2 approach each other, the lower clamping piece 2 drives the clamping blocks B11 to continue to move towards the clamping blocks A8, the elastic sheet 12 bends and drives the clamping blocks B11 to gradually fit the part of the small animal that needs to be clamped on one side of the clamping blocks A8 until the handles of the upper clamping piece 1 and the lower clamping piece 2 are completely loosened, and the clamping of the electrode clamp on the small animal is completed.
[0026] As Figures 1-3 shown, the side of the clamping block A8 towards the clamping end of the lower clamping piece 2 is provided with a conductive sponge 9, and the conductive sponge 9 is connected with the conductive plate 5.
[0027] The clamping block A8 drives the conductive sponge 9 to gradually approach the part of the small animal that needs to be clamped, until the conductive sponge 9 is in contact with the part of the small animal that needs to be clamped; the clamping block A8 drives the conductive sponge 9 to continue to gradually approach the part of the small animal that needs to be clamped, the conductive sponge 9 deforms and shrinks and gradually adapts to the part of the small animal that needs to be clamped, until the handle of the upper clamping piece 1 and the lower clamping piece 2 is completely loosened, and the clamping of the electrode clamp on the small animal is completed.
[0028] As shown in Figures 1-3 The clamping block B11 is provided with a flexible sponge 13 matched with the conductive sponge 9 on the side facing the clamping block A8.
[0029] The clamping block B11 drives the flexible sponge 13 to gradually approach the part of the small animal that needs to be clamped, until the flexible sponge 13 is in contact with the part of the small animal that needs to be clamped; the clamping block B11 drives the flexible sponge 13 to continue to gradually approach the part of the small animal that needs to be clamped, the flexible sponge 13 deforms and shrinks and gradually adapts to the part of the small animal that needs to be clamped, until the handle of the upper clamping piece 1 and the lower clamping piece 2 is completely loosened, and the clamping of the electrode clamp on the small animal is completed.
[0030] As shown in Figure 3 and Figure 4 The conductive plate 5 and the elastic sheet 12 are in arc-shaped structure, the inner arc surfaces of the conductive plate 5 and the elastic sheet 12 are oppositely arranged, and the axes of the arc-shaped structures are parallel to the axis of the hinge shaft A7.
[0031] The upper clamping piece 1 and the lower clamping piece 2 are away from each other, and the conductive plate 5 and the elastic sheet 12 gradually recover to the original state; the upper clamping piece 1 and the lower clamping piece 2 are close to each other, until the clamping block A8 and the clamping block B11 are in contact with the part of the small animal that needs to be clamped; the upper clamping piece 1 and the lower clamping piece 2 continue to be close to each other, the conductive plate 5 and the elastic sheet 12 are deformed, the clamping surfaces of the clamping block A8 and the clamping block B11 gradually fit the part of the small animal that needs to be clamped, until the handle of the upper clamping piece 1 and the lower clamping piece 2 is completely loosened, and the clamping of the electrode clamp on the small animal is completed.
[0032] As shown in Figures 1-3 The axis of the hinge shaft is parallel to the axis of the rotating shaft 3.
[0033] In actual production process, the lead for electrocardiogram test is connected with the electrode buckle 6, the handles of the upper clamp piece 1 and the lower clamp piece 2 are pressed, the upper clamp piece 1 and the lower clamp piece 2 rotate around the rotating shaft 3, the torsion spring 4 contracts, the clamping ends of the upper clamp piece 1 and the lower clamp piece 2 are away from each other; the conductive plate 5 and the elastic sheet 12 gradually restore the original state, the clamping block A8 and the conductive sponge 9 rotate around the hinge shaft A7 and are away from the clamping block B11 under the drive of the conductive plate 5, and the clamping block A8 and the conductive sponge 9 are arranged in sequence along the arc surface of the conductive plate 5; the clamping block B11 and the flexible sponge 13 rotate around the hinge shaft B10 and are away from the clamping block A8 under the drive of the elastic sheet 12, and the clamping block B11 and the flexible sponge 13 are arranged in sequence along the arc surface of the elastic sheet 12.
[0034] The part of the small animal needing clamping is placed between the clamping block A8 and the clamping block B11, the handles of the upper clamp piece 1 and the lower clamp piece 2 are gradually loosened, the upper clamp piece 1 and the lower clamp piece 2 rotate around the rotating shaft 3, the torsion spring 4 relaxes, the clamping ends of the upper clamp piece 1 and the lower clamp piece 2 are close to each other; the upper clamp piece 1 drives the conductive plate 5, the clamping block A8 and the conductive sponge 9 to gradually approach the part of the small animal needing clamping, the lower clamp piece 2 drives the elastic sheet 12, the clamping block B11 and the flexible sponge 13 to gradually approach the part of the small animal needing clamping; until the conductive sponge 9 and the flexible sponge 13 are in contact with the part of the small animal needing clamping respectively.
[0035] The handles of the upper clamp piece 1 and the lower clamp piece 2 are gradually loosened, the upper clamp piece 1 and the lower clamp piece 2 rotate around the rotating shaft 3, the torsion spring 4 relaxes, the clamping ends of the upper clamp piece 1 and the lower clamp piece 2 continue to be close to each other; the conductive plate 5 gradually deforms and is adapted to the part of the small animal needing clamping, the clamping block A8 rotates around the rotating shaft 3A under the drive of the conductive plate 5 and gradually fits the part of the small animal needing clamping, and the conductive sponge 9 deforms and contracts and gradually adapts to the part of the small animal needing clamping; the elastic sheet 12 gradually deforms and is adapted to the part of the small animal needing clamping, the clamping block B11 rotates around the rotating shaft 3B under the drive of the elastic sheet 12 and gradually fits the part of the small animal needing clamping, and the flexible sponge 13 deforms and contracts and gradually adapts to the part of the small animal needing clamping; until the handles of the upper clamp piece 1 and the lower clamp piece 2 are completely loosened, the electrode clamp completes the clamping of the part of the small animal needing clamping.
[0036] Of course, the above description is also not limited to the above examples, the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.
Claims
1. An electrocardiogram electrode clip, comprising an upper clip (1) and a lower clip (2) hinged together by a rotating shaft (3), a torsion spring (4) sleeved on the rotating shaft (3), the ends of the torsion spring (4) being connected to handles of the upper clip (1) and the lower clip (2) respectively; a conductive plate (5) extending along the extending direction of the upper clip (1) and extending to the clamping end of the upper clip (1) is provided on the inner surface of the upper clip (1), and an electrode buckle (6) is connected to the conductive plate (5); characterized in that: The clamping end of the upper clamping piece (1) is hinged to a clamping block A (8) extending along the extension direction of the upper clamping piece (1) via a hinge shaft A (7). A clamping space is formed between the clamping block A (8) and the clamping end of the lower clamping piece (2). The clamping block A (8) is connected to the conductive plate (5), and the conductive plate (5) is made of elastic material. The elastic coefficient of the conductive plate (5) is less than the stiffness coefficient of the torsion spring (4).
2. The ECG electrode clip according to claim 1, characterized in that: The clamping end of the upper clamping plate (1) is provided with several clamping blocks A (8), and several clamping blocks A (8) are hinged on the clamping blocks A (8) in sequence, and the clamping blocks A (8) are connected in sequence through the conductive plate (5).
3. The ECG electrode clip according to claim 2, characterized in that: The clamping end of the upper clamping piece (1) is hinged to a clamping block B (11) extending along the extension direction of the lower clamping piece (2) via a hinge shaft B (10). The clamping blocks B (11) are hinged in sequence, and the axes of the hinge shaft A (7) and the hinge shaft B (10) are parallel to each other. The lower clamping piece (2) is connected to the clamping blocks B (11) in sequence via a spring piece (12). The clamping blocks B (11) are adapted to the clamping blocks A (8), and a clamping space is formed between the clamping blocks A (8) and the clamping blocks B (11).
4. The ECG electrode clip according to claim 1, characterized in that: A conductive sponge (9) is provided on one side of the clamping block A (8) facing the clamping end of the lower clamping piece (2), and the conductive sponge (9) is connected to the conductive plate (5).
5. The ECG electrode clip according to claim 3, characterized in that: The side of clamping block B (11) facing clamping block A (8) is provided with a flexible sponge (13) that is compatible with the conductive sponge (9).
6. The ECG electrode clip according to claim 3, characterized in that: The conductive plate (5) and the spring (12) are arc-shaped structures. The inner arc surfaces of the conductive plate (5) and the spring (12) are arranged opposite to each other, and the axis of the arc-shaped structure is parallel to the axis of the hinge A (7).
7. The ECG electrode clip according to claim 1, characterized in that: The axis of the hinge is parallel to the axis of the rotating shaft (3).