CN210727732U - Limb clamp for electrocardiogram - Google Patents
Limb clamp for electrocardiogram Download PDFInfo
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- CN210727732U CN210727732U CN201920871999.5U CN201920871999U CN210727732U CN 210727732 U CN210727732 U CN 210727732U CN 201920871999 U CN201920871999 U CN 201920871999U CN 210727732 U CN210727732 U CN 210727732U
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- clamping piece
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- metal column
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Abstract
The utility model relates to a biological electrocardiosignal measurement field, concretely relates to limbs anchor clamps of heart electrograph, it includes: the clamping piece, the metal base, the conductive metal column, the hand-screwed screw and the cable wire; the cable is fixed on the conductive metal column through a hand screw, and the current transmitted by the cable is transmitted to the metal base through the conductive metal column; the clamping piece is arranged between the metal base and the conductive metal column; the utility model discloses a clamping piece can encircle the wrist and the ankle of the different thicknesses of centre gripping, effectively prevents anchor clamps displacement or drops, can rotate simultaneously between conductive metal post and the clamping piece, effectively avoids the fracture that the cable conductor excessively bends and cause, and the clamping piece lets clamping piece both ends perk through pushing down conductive metal post to separate with wrist or ankle, make things convenient for the doctor to use.
Description
Technical Field
The utility model relates to a biological electrocardiosignal measurement field, concretely relates to limbs anchor clamps of heart electrograph.
Background
When an electrocardiosignal measuring device is used in a hospital, electrodes can be arranged on a chest, a wrist and feet, the wrist and the feet are generally fixed by a clamp, current passes through the electrodes to electrify the wrist and the feet so as to measure the heart rate of a person, the clamping area of the clamp to the limb is constant, and for the person with too thick or too thin limb, the clamp can correspondingly reduce or increase the clamping area of the limb, so that the clamping of the clamp is not firm, the slight movement of the limb can cause the electrode to shake, the measuring accuracy is influenced, and particularly, the infant can measure the electrocardiosignal. Often, the clamp does not cooperate with a doctor, and the four limbs act greatly, so that the clamp is easy to fall off.
On the other hand, during use, cable failure often occurs due to excessive bending cycles caused by various factors such as improper placement of the electrodes, movement of the patient's body and/or the mode of use thereof. In particular, the cables connected to the limb electrodes are more susceptible to cable failure due to their unique mode of use.
Disclosure of Invention
Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a limb clamp for electrocardiogram, which increases the contact area between the clamp and the wrist or ankle through the clamp encircling type clamping, so as to make the contact area more suitable for the patient, and meanwhile, the contact area between the clamp and the cable is flexibly connected to prevent the cable from being bent excessively.
A limb clamp for electrocardiography, comprising: the clamping piece, the metal base, the conductive metal column, the hand-screwed screw and the cable wire;
the cable is fixed on the conductive metal column through a hand screw, and the current transmitted by the cable is transmitted to the metal base through the conductive metal column;
the clamping piece is made of elastic metal and is encircled into a ring shape initially;
the metal base includes: the conductive block, the connecting cylinder, the first elastic sheet, the steel ball and the spring;
the conductive block is arranged on the inner periphery of the clamping piece, a groove is formed in the surface, opposite to the clamping piece, of the conductive block, and the top surfaces of two vertical parts of the groove are attached to the wall surface of the clamping piece;
the connecting cylinder is arranged in the groove of the conductive block, wherein one end of the connecting cylinder extends through the clamping piece;
the two elastic pieces I are oppositely arranged on the top surface of one end of the connecting cylinder, which extends out of the clamping piece, and one elastic piece I is provided with an elastic piece II;
the second elastic sheet is horizontally arranged between the first elastic sheets, one end of the second elastic sheet is fixed with the top surface of one elastic sheet, and the other end of the second elastic sheet is bent downwards;
the number of the steel balls is two, and the steel balls are movably connected to the upper ends of two opposite wall surfaces of the two elastic sheets;
the spring is arranged in the groove of the conductive block and surrounds the connecting cylinder, wherein one end of the spring is attached to the conductive block, and the other end of the spring is attached to the wall surface of the clamping piece;
the top surface of the conductive metal column is provided with a vertical connecting groove, the wall surface of the connecting groove is provided with threads, one side wall surface of the conductive metal column is provided with a horizontal connecting through hole, the connecting through hole is communicated with the connecting groove, the conductive metal column extends upwards along the bottom surface to form a second connecting groove, and a separating rod is arranged in the second connecting groove;
the first elastic sheet is wrapped in the second connecting groove;
the hand-screwed screw is connected with the connecting groove through male and female threads;
the cable is inserted into the connecting through hole.
In one embodiment, the metal base and conductive metal posts are disposed on one side of the clip.
In one embodiment, the skin-contacting surface of the clip is provided with a cushion.
In one embodiment, the two vertical portions of the conductive block groove are inclined slopes.
Advantageous effects
The utility model discloses a wrist and the ankle of the different thicknesses of centre gripping can be encircleed to the clamping piece, effectively prevents anchor clamps displacement or drops, can rotate between conductive metal post and the clamping piece simultaneously, effectively avoids the fracture that the excessive bending of cable conductor caused.
The utility model discloses the clamping piece lets clamping piece both ends perk through pushing down conductive metal post to separate with wrist or ankle, make things convenient for the doctor to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall exploded structure of the present invention.
Fig. 3 is a schematic diagram of the structure of the conductive block of the present invention.
Fig. 4 is a schematic cross-sectional structure diagram of the present invention.
Fig. 5 is a schematic view of the structure of the connection groove of the present invention.
Fig. 6 is a schematic view of the mutual moving structure of the metal base and the conductive metal pillar according to the present invention.
Fig. 7 is a schematic view of the structure of the metal base and the conductive metal pillar moving relative to each other according to the present invention.
Fig. 8 is a schematic view of the clip of the present invention having a ring structure.
As shown in the figure: the device comprises a 1-clamping piece, a 2-metal base, a 3-conductive metal column, a 4-hand screw, a 5-cable, a 21-conductive block, a 22-connecting cylinder, a 23-elastic piece I, a 24-steel ball, a 25-spring, a 31-connecting groove, a 32-connecting through hole, a 33-connecting groove II, a 34-separating rod, a 231-elastic piece II, a 331-groove I and a 332-groove II.
Detailed Description
The present invention will be further described with reference to the following embodiments and drawings, and more details will be set forth in the following description in order to provide a thorough understanding of the present invention, but it is obvious that the present invention can be implemented in various other ways different from those described herein, and those skilled in the art can make similar generalizations and deductions according to the actual application without departing from the spirit of the present invention, and therefore, the scope of the present invention should not be limited by the contents of the embodiments.
As shown in fig. 1, a limb clamp for electrocardiogram comprises: the clamp comprises a clamping piece 1, a metal base 2, a conductive metal column 3, a hand-screwed screw 4 and a cable 5;
the cable 5 is fixed on the conductive metal column 3 through a hand screw 4, and the cable 5 transmits current to the metal base 2 through the conductive metal column 3;
the clamping piece 1 is made of elastic metal, and the clamping piece 1 is encircled into a ring shape initially;
as shown in fig. 2 to 3, the metal base 2 includes: the device comprises a conductive block 21, a connecting cylinder 22, a first elastic sheet 23, a steel ball 24 and a spring 25;
the conductive block 21 is arranged at the inner periphery of the clamping piece 1, a groove is formed in the surface, opposite to the clamping piece 1, of the conductive block 21, the top surfaces of two vertical parts of the groove are attached to the wall surface of the clamping piece 1, and the other surface of the conductive block 21 is attached to the skin;
the connecting cylinder 22 is arranged in the groove of the conductive block 21, wherein one end of the connecting cylinder 22 extends through the clamping piece 1;
the two elastic pieces I23 are oppositely arranged on the top surface of one end, extending out of the clamping piece 1, of the connecting cylinder 22, and one elastic piece I23 is provided with an elastic piece II 231;
the second elastic sheet 231 is horizontally arranged between the first elastic sheets 23, one end of the second elastic sheet 231 is fixed with the top surface of one first elastic sheet 23, and the other end of the second elastic sheet 231 bends downwards;
the number of the steel balls 24 is two, and the steel balls are movably connected to the upper ends of the opposite wall surfaces of the two second elastic pieces 231;
the spring 25 is arranged in the groove of the conductive block 21 and surrounds the connecting cylinder 22, wherein one end of the spring 25 is attached to the conductive block 21, and the other end is attached to the wall surface of the clamping piece 1;
as shown in fig. 4, a vertical connection groove 31 is formed in the top surface of the conductive metal column 3, threads are formed on the wall surface of the connection groove 31, a horizontal connection through hole 32 is formed in the wall surface of one side of the conductive metal column 3, the connection through hole 32 is communicated with the connection groove 31, a second connection groove 33 extends upwards along the bottom surface of the conductive metal column 3, and a separation rod 34 is arranged in the second connection groove 33;
as shown in fig. 5, the second connecting groove 33 is composed of a first groove 331 and a second groove 332, the first groove 331 is communicated with the bottom surface of the conductive metal column 3, the second groove 332 is in a truncated cone shape, one end of the second groove 332 with a larger diameter is communicated with the first groove 331, and the other end of the second groove 332 with a smaller diameter is smaller than the first groove 331;
the second connecting groove 33 is used for wrapping the first elastic sheet 23, when the clip 1 clamps the limb, the steel ball 23 is attached to the wall surface of the first groove 33, and when the clip 1 does not clamp the limb, the steel ball 23 is attached to the wall surface of the second groove 332;
the hand-screwed screw 4 is connected with the connecting groove 31 through male and female threads;
the cable 5 is inserted into the connecting through hole 32, and the hand-screwed screw 4 is turned downwards to clamp the cable 5;
the conductive metal column 3 is pressed downwards, the steel ball 24 moves upwards, the conductive metal column is clamped into a joint of the second groove 33 and the first groove 331 through the elastic force of the first elastic sheet 23, meanwhile, the lower end of the conductive metal column 3 presses the middle part of the clamping piece 1 downwards, two edges of the clamping piece 1 are tilted upwards through the groove of the conductive block 21, after tilting, two ends of the clamping piece 1 expand towards two sides, and the clamping piece 1 finally forms a horizontal shape, so that the clamping piece 1 is convenient to open;
as shown in fig. 6-8, when the clamping piece 1 needs to clamp the wrist and ankle of a human body, one surface of the conductive block 21 is attached to the skin, the conductive metal column 3 is pressed again, the steel ball 24 rolls upwards along the wall surface of the second groove 332, because the diameter of the second groove 332 is gradually reduced, the upper ends of the first elastic sheets 23 are gradually closed until the end parts of the second groove 332 are reached, the bent part of the second elastic sheet 231 is buckled with the first elastic sheet 23, and the compressed spring 25 is reset, the clip 1 drives the conductive metal column 3 to move upwards, the first elastic sheet 23 moves downwards relatively, when moving to the separating rod 34, the separating rod 34 props up the two elastic pieces I23, the steel ball 24 is attached to the wall surface of the groove I331 again, the steel ball 24 is positioned below the separating rod 34 after the attachment, meanwhile, the conductive metal column 3 does not press the clamping piece 1 any more, and the clamping piece 1 surrounds to form a ring again to clamp the wrist and the ankle of the human body;
after the clamping pieces 1 respectively clamp the wrist and the ankle of a human body, if the cable 5 is improperly placed or the body of a patient moves, the cable 5 is excessively bent, and the conductive metal column 3 rotates through the steel balls 24, so that the cable 5 is restored to be in a straight line shape again.
Preferably, as an implementation mode, the metal base 2 and the conductive metal column 3 are disposed on one side of the clip 1, and the purpose of the metal base is to prevent the two ends of the clip 1 from colliding with each other and failing to form a ring shape due to the same length when the two ends are bent.
Preferably, as an implementation mode, the contact surface of the clip 1 with the skin is provided with a soft cushion, so that the phenomenon that the skin is flapped when the clip 1 is looped around is avoided, and discomfort is caused to people.
Preferably, as an implementation manner, two vertical portions of the groove of the conductive block 21 are inclined slopes, and the inclined slopes are oppositely arranged, so that when the conductive metal column 3 presses the clip 1, two edges of the clip 1 can be better tilted.
The utility model discloses the theory of operation:
firstly, the clamping piece 1 is in a horizontal shape, if the clamping piece 1 needs to clamp the wrist and ankle of a human body, one surface of the conductive block 21 is attached to the skin, the conductive metal column 3 is pressed again, the steel balls 24 roll upwards along the wall surface of the second groove 332, the upper ends of the first two elastic pieces 23 are gradually closed due to the diameter of the second groove 332, until the upper ends of the first two elastic pieces 23 reach the end part of the second groove 332, the bent parts of the second elastic pieces 231 are buckled with the first elastic pieces 23, on the other hand, the compressed spring 25 is reset, the conductive metal column 3 is driven to move upwards through the clamping piece 1, the first elastic pieces 23 move downwards relatively, when the separating rod 34 is moved, the separating rod 34 props open the first two elastic pieces 23, the steel balls 24 are attached to the wall surface of the first groove 331 again, the steel balls 24 are positioned below the separating rod 34 after the attachment, meanwhile, the conductive, on the other hand, if the cable 5 should be improperly placed or the patient should move, the cable 5 is bent excessively, and the conductive metal column 3 is rotated by the steel ball 24, so that the cable 5 is restored to be straight.
Claims (4)
1. A limb clamp for electrocardiography, comprising: the clamp comprises a clamping piece (1), a metal base (2), a conductive metal column (3), a hand-screwed screw (4) and a cable (5);
the cable (5) is fixed on the conductive metal column (3) through a hand-screwed screw (4), and the cable (5) transmits current to the metal base (2) through the conductive metal column (3);
the method is characterized in that: the clamping piece (1) is made of elastic metal, and the clamping piece (1) surrounds to form a ring shape initially;
the metal base (2) comprises: the device comprises a conductive block (21), a connecting cylinder (22), a first elastic sheet (23), a steel ball (24) and a spring (25);
the conductive block (21) is arranged on the inner periphery of the clamping piece (1), grooves are formed in the opposite surfaces of the conductive block (21) and the clamping piece (1), and the top surfaces of two vertical parts of each groove are attached to the wall surface of the clamping piece (1);
the connecting cylinder (22) is arranged in the groove of the conductive block (21), wherein one end of the connecting cylinder (22) extends through the clamping piece (1);
the number of the first elastic pieces (23) is two, the two elastic pieces are oppositely arranged on the top surface of one end, extending out of the clamping piece (1), of the connecting cylinder (22), and one elastic piece (231) is arranged on one elastic piece (23);
the second elastic sheet (231) is horizontally arranged between the first elastic sheets (23), one end of the second elastic sheet (231) is fixed with the top surface of one first elastic sheet (23), and the other end of the second elastic sheet (231) bends downwards;
the number of the steel balls (24) is two, and the steel balls are movably connected to the upper ends of the opposite wall surfaces of the two second elastic sheets (231);
the spring (25) is arranged in the groove of the conductive block (21) and surrounds the connecting cylinder (22), wherein one end of the spring (25) is attached to the conductive block (21), and the other end of the spring is attached to the wall surface of the clamping piece (1);
a vertical connecting groove (31) is formed in the top surface of the conductive metal column (3), threads are arranged on the wall surface of the connecting groove (31), a horizontal connecting through hole (32) is formed in the wall surface of one side of the conductive metal column (3), the connecting through hole (32) is communicated with the connecting groove (31), a second connecting groove (33) extends upwards along the bottom surface of the conductive metal column (3), and a separating rod (34) is arranged in the second connecting groove (33);
the elastic sheet I (23) is wrapped by the connecting groove II (33);
the hand-screwed screw (4) is connected with the connecting groove (31) through male and female threads;
the cable (5) is inserted into the connecting through hole (32).
2. The limb clamp for electrocardiography according to claim 1, wherein: the metal base (2) and the conductive metal column (3) are arranged on one side of the clamping piece (1).
3. The limb clamp for electrocardiography according to claim 1, wherein: the contact surface of the clamping piece (1) and the skin is provided with a soft cushion.
4. The limb clamp for electrocardiography according to claim 1, wherein: two vertical parts of the groove of the conductive block (21) are in an inclined slope shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920871999.5U CN210727732U (en) | 2019-06-14 | 2019-06-14 | Limb clamp for electrocardiogram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920871999.5U CN210727732U (en) | 2019-06-14 | 2019-06-14 | Limb clamp for electrocardiogram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210727732U true CN210727732U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920871999.5U Active CN210727732U (en) | 2019-06-14 | 2019-06-14 | Limb clamp for electrocardiogram |
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| Country | Link |
|---|---|
| CN (1) | CN210727732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195123A (en) * | 2019-06-14 | 2020-05-26 | 安徽诺心医疗服务有限公司 | Limb clamp for electrocardiogram |
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2019
- 2019-06-14 CN CN201920871999.5U patent/CN210727732U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111195123A (en) * | 2019-06-14 | 2020-05-26 | 安徽诺心医疗服务有限公司 | Limb clamp for electrocardiogram |
| CN111195123B (en) * | 2019-06-14 | 2024-08-23 | 安徽诺心医疗服务有限公司 | Limb clamp for electrocardiogram |
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