CN210811031U

CN210811031U - Electrocardiogram machine

Info

Publication number: CN210811031U
Application number: CN201920650772.8U
Authority: CN
Inventors: 李清敏; 韩金明; 王祥杰; 张瑞; 宋超; 王文琦; 孟雪莲; 牟海彰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-06-23
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses an electrocardiograph, lead and four limbs including the mainframe shell, settle in the mainframe shell, connect with six chests that the mainframe electricity is connected and lead, its characterized in that: the chest lead comprises a chest lead core and a chest lead wrapping, a chest lead metal mesh layer is arranged in the chest lead wrapping, the limb lead comprises a limb lead core and a limb lead wrapping, a limb lead metal mesh layer is arranged in the limb lead wrapping, and the chest lead metal mesh layer and the limb lead metal mesh layer are both electrically connected with a host grounding end. The wire winding type lead wire device has the advantages that the wire winding type lead wire device clearly prompts installation positions of different lead wires through the wire winding type lead wires and the free ends which are arranged according to human body parts and are obviously unequal in length, confusion is avoided, the strength and the kink resistance of the wire are enhanced through the metal mesh layer arranged in the wire wrapping, the wire winding is prevented, the wire winding is quickly wound through the automatic winding device, the wire is prevented from being disordered after the wire winding device is used, and the problem of wire twisting and winding is fundamentally avoided.

Description

Electrocardiogram machine

Technical Field

The utility model relates to the field of medical equipment, in particular to an electrocardiograph.

Background

The electrocardiograph can automatically record the bioelectric signals, i.e. electrocardio signals, generated by exciting cardiac muscles during heart activity, and is a medical electronic instrument commonly used for clinical diagnosis and scientific research. Electrocardiographs are examination devices that are necessary in hospitals and clinics to detect electrocardiographic waveforms of a human body, thereby diagnosing heart-related diseases. Has no alternative value for the diagnosis of heart diseases. The electrocardiogram machine comprises a host and a plurality of leads, wherein the leads comprise six chest leads and four limb leads, the chest leads and the limb leads transmit picked human electrocardiosignals to the host, and the host amplifies and filters the signals and then outputs relative potentials of different leads to form an electrocardio graph for a doctor to read heart information.

There are several problems that are not always perfectly solved by current electrocardiographs, the first being interference. The electric field of various indoor electric appliances can be received by the long leads, thereby interfering the electrocardiosignal of the human body, leading the confusion of the surrounding electric field and the electrocardiosignal, leading the output waveform of the electrocardiogram to be disordered and being difficult to correctly reflect the state of an illness. Aiming at the situation, the main method adopted at present is that when an electrocardiogram is made, the body of a patient cannot contact any metal object and cannot contact other people as much as possible, and a high-power electric appliance is avoided indoors.

The second problem is that the connecting wires of the leads are easy to be entangled, and the connecting wires of all leads on the current electrocardiograph are independent, and are difficult to be uniformly arranged by one wire because the positions of different leads for detecting the human body are different. And many connecting wires will lead to each connecting wire to entangle each other very easily together, be difficult to part, and the doctor all will straighten a connecting wire when doing the electrocardiographic examination for patient at every turn, confirms that is the wire of connecting which position according to the label and the colour on every line plug, and this has reduced inspection speed undoubtedly, has prolonged check-out time, more probably is salvageed by mistake in the time delay of first aid. Therefore, it is generally desired by medical personnel to have an electrocardiograph with high anti-interference performance and less possibility of entanglement of lead connecting wires.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the weak point of above-mentioned conventional art, provide an interference immunity is high, the connecting wire of leading is difficult for entangling the electrocardiograph together.

The purpose of the utility model is achieved through the following technical measures:

the utility model provides an electrocardiograph, includes the host computer shell, settle the host computer in the host computer shell, leads with six chest that the host computer electricity is connected and four limbs lead, chest leads includes chest lead head and chest lead, chest lead connects chest lead head and host computer, limb leads and presss from both sides and limb wire including the limb, limb wire connection limb leads to press from both sides and host computer, its characterized in that: the chest lead comprises a chest lead core and a chest lead wrapping, a chest lead metal mesh layer is arranged in the chest lead wrapping, the limb lead comprises a limb lead core and a limb lead wrapping, a limb lead metal mesh layer is arranged in the limb lead wrapping, and the chest lead metal mesh layer and the limb lead metal mesh layer are both electrically connected with a host grounding end.

As a preferable scheme, the chest lead foreskin comprises a chest lead inner insulating foreskin and a chest lead outer insulating foreskin, and the chest lead metal mesh layer is arranged between the chest lead inner insulating foreskin and the chest lead outer insulating foreskin; the limb wire sheath comprises a limb guide inner insulation sheath and a limb guide outer insulation sheath, and the limb guide metal mesh layer is arranged between the limb guide inner insulation sheath and the limb guide outer insulation sheath.

As a preferred scheme, the ends, connected with the host, of the six chest leads are bonded in parallel to form a chest lead flat cable, the ends, far away from the host, of the six chest leads are free ends, and the free ends of the six chest leads are sequentially arranged according to the sequence of chest leads V1-V6.

Preferably, the free end lengths of the six chest leads are sequentially prolonged according to the sequence of the chest leads V1 to V6.

As a preferred scheme, symbol marking plates are arranged at the joints of the free ends of the six chest leads and the chest lead arranging lines, and position numbers corresponding to all the chest leads are marked on the symbol marking plates.

As a preferred scheme, the four limb leads comprise a left upper limb lead, a left lower limb lead, a right upper limb lead and a right lower limb lead, wherein the left upper limb lead and the left lower limb lead are bonded with one end of the host computer in parallel to form a left limb lead and line, and the ends of the left upper limb lead and the left lower limb lead far away from the host computer are free ends; one end of the right upper limb lead and one end of the right lower limb lead, which are connected with the host, are bonded in parallel to form a right limb lead wire, and one ends of the right upper limb lead and the right lower limb lead, which are far away from the host, are free ends.

As a preferable scheme, the free end length of the left upper limb lead is greater than that of the left lower limb lead or the free end length of the left lower limb lead is greater than that of the left upper limb lead; the free end length of the right upper limb lead is greater than that of the right lower limb lead or the free end length of the right lower limb lead is greater than that of the right upper limb lead.

As a preferred scheme, be equipped with automatic take-up in the mainframe shell, automatic take-up includes the winding cylinder and the rotatory drive arrangement of drive winding cylinder, chest wire and limb wire can be convoluteed on the winding cylinder.

As a preferred scheme, a plurality of conducting rings are circumferentially arranged on the periphery of the winding drum, an insulating layer is arranged between each conducting ring and the winding drum, each conducting ring is elastically connected with a conducting elastic sheet, each conducting elastic sheet is electrically connected with the host, and each conducting ring is correspondingly and electrically connected with one limb lead or one chest lead.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that:

the utility model discloses an electrocardiograph leads and according to showing unequally free end that is unequal that human position set up through the winding displacement formula, and the mounted position that clearly and definitely suggests different leads avoids obscuring, strengthens wire intensity through the metal mesh layer that sets up in the wire foreskin, and the kink resistance prevents the wire winding to receive the line fast with automatic take-up, guarantee that the wire can not be in disorder after using, avoided wire kink winding problem from the root.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic structural diagram of an electrocardiograph of the present invention.

Fig. 2 is a schematic structural diagram of a chest lead in an electrocardiograph of the present invention.

Fig. 3 is a schematic structural view of an automatic wire take-up device in an electrocardiograph.

Fig. 4 is a schematic structural diagram of a conducting ring in an electrocardiograph according to the present invention.

Detailed Description

Example (b): as shown in fig. 1 and 2, an electrocardiograph comprises a main case 1, a main machine arranged in the main case 1, six chest leads electrically connected with the main machine and four limb leads, wherein the chest leads comprise a chest lead 23 and a chest lead 21, the chest lead 21 is connected with the chest lead 23 and the main machine, the limb leads comprise a limb lead clip and a limb lead, the limb lead is connected with the limb lead clip and the main machine, the chest lead 21 comprises a chest lead core 214 and a chest lead wrapping, a chest lead metal mesh layer 212 is arranged in the chest lead wrapping, the limb lead comprises a limb lead core and a limb lead wrapping, a limb lead metal mesh layer is arranged in the limb lead wrapping, and the chest lead metal mesh layer and the limb lead metal mesh layer are both electrically connected with a main machine grounding end.

As shown in fig. 2, the foreskin of the chest lead 21 comprises a chest lead inner insulating foreskin 213 and a chest lead outer insulating foreskin 211, and the chest lead metal mesh layer 212 is arranged between the chest lead inner insulating foreskin 213 and the chest lead outer insulating foreskin 211; the limb wire sheath comprises a limb guide inner insulation sheath and a limb guide outer insulation sheath, and the limb guide metal mesh layer is arranged between the limb guide inner insulation sheath and the limb guide outer insulation sheath. The metal mesh layer is formed by weaving metal wires, stainless steel metal wires are adopted to weave the metal mesh layer in the embodiment, and the stainless steel metal mesh has good strength and toughness, good anti-kink effect and long service life. The preparation of the wire with the metal mesh layer refers to the preparation process of the plastic pipe with the mesh wire, and the preparation processes are consistent. The limb lead structure is the same as the chest lead structure, and the structure shown in figure 2 can be referred.

Six chest wire 21 and the one end side by side adhesion that the host computer is connected are chest lead winding displacement 2, the one end that the host computer was kept away from to six chest wire 21 is the free end, the free end of six chest wire 21 is arranged according to chest lead V1 to V6 order in proper order.

The free end lengths of the six chest leads 21 are sequentially prolonged according to the sequence of the chest leads V1 to V6. More preferably, V1 is N cm in length, V2 is N x 2 cm in length, V3 is N x 3 cm in length, and so on, V6 is N x 6 cm in length, the free end of each chest lead 21 is N cm longer than the previous lead, the lead length differences are significant, making errors substantially impossible in placement of the chest leads, i.e., no single careful check is required. The value of N is preferably 5-10, the chest leads 21 with the length can be clearly distinguished, mutual entanglement can be completely avoided, and the placement of the chest leads on the chest and the left rib of a patient is completely not influenced. According to the conventional chest lead placement method of electrocardiographs, the V1 lead position is generally determined first, and then the rest of the leads are sequentially determined. Therefore, the shortest lead placement is selected preferentially, so that the time for checking and identifying the leads can be minimized and the checking speed can be increased on the premise of avoiding errors.

The junction of the free ends of the six chest leads 21 and the chest lead flat cable 2 is provided with a symbol mark plate 22, and the symbol mark plate 22 is marked with the position number corresponding to each chest lead 21.

The four limb leads comprise a left upper limb lead 32, a left lower limb lead 31, a right upper limb lead 42 and a right lower limb lead 41, one ends of the left upper limb lead 32 and the left lower limb lead 31 connected with the host are bonded in parallel to form a left limb lead line 3, and one ends of the left upper limb lead 32 and the left lower limb lead 31 far away from the host are free ends; one ends of the right upper limb lead 42 and the right lower limb lead 41 connected with the host are parallelly bonded to form a right limb lead wire 4, and one ends of the right upper limb lead 42 and the right lower limb lead 41 far away from the host are free ends.

The free end length of left upper limbs wire 32 is greater than the free end length of left lower limbs wire 31, the free end length of right upper limbs wire 42 is greater than the free end length of right lower limbs wire 41, according to the electrocardiograph user mode under the normal condition, the electrocardiograph host computer is generally placed in patient's leg side, keep away from patient's head side, the examiner is many on patient's right side, each leads has the leg side to upwards stretch out and settle in patient's regulation position, limb wire length is all unanimous about the tradition, it can show the bending to have a limb wire in use certainly, fold, easily take place the entanglement, influence next use, because of excessive distortion entanglement the short core appears easily, the poor or the no signal's phenomenon. Of course, if set up the electrocardiograph also can at patient's head, then can set for the free end length of left low limbs wire and be greater than left upper limbs wire free end length, the free end length of right low limbs wire is greater than right upper limbs wire free end length, just can use by the anti-conventionality the utility model discloses a design. Furthermore, the difference between the free end of the left upper limb wire 32 and the free end of the left lower limb wire 31 is M cm, the difference between the free end of the right upper limb wire 42 and the free end of the right lower limb wire 41 is M cm, and M is 60-100. The length difference between the upper limb lead and the lower limb lead is an optimal value, so that the limb lead placement is not influenced, the difference between the upper limb lead and the lower limb lead can be clearly shown, and the misjudgment is avoided.

As shown in fig. 3, an automatic winding device 5 is disposed in the main chassis 1, the automatic winding device 5 includes a winding drum 52 and a driving device 51 for driving the winding drum 52 to rotate, and the chest lead 21 and the limb lead can be wound on the winding drum 52. The driving device 51 can adopt a motor driving mode, and is simple and reliable. After the examination of a patient is finished, even the lead wire is stored, mess can be reduced, and the lead wire is convenient for the next patient to use. When the wire is paid off, the driving device reversely rotates, an inspector holds the wire and appropriately pulls the wire to a proper length to stop the wire, so that the wire with excessive length can be prevented from being exposed, and mess is avoided.

As shown in fig. 4, a plurality of conducting rings 53 are circumferentially arranged on the periphery of the winding drum 52, an insulating layer 55 is arranged between the conducting rings 53 and the winding drum 52, a conducting elastic sheet 54 is elastically connected to the conducting rings 53, the conducting elastic sheet 54 is electrically connected to the main machine, and one conducting ring 53 is correspondingly electrically connected to one limb lead 21 or one chest lead. The limb lead 21 and the chest lead transmit the received human body electrical signals to the electrocardiograph main unit through the conductive ring 53. The conductive ring electrical connection structure is a common technology in the electrical machinery field, and is not described in detail.

Claims

1. The utility model provides an electrocardiograph, includes the host computer shell, settle the host computer in the host computer shell, leads with six chest that the host computer electricity is connected and four limbs lead, chest leads includes chest lead head and chest lead, chest lead connects chest lead head and host computer, limb leads and presss from both sides and limb wire including the limb, limb wire connection limb leads to press from both sides and host computer, its characterized in that: the chest lead comprises a chest lead core and a chest lead wrapping, a chest lead metal mesh layer is arranged in the chest lead wrapping, the limb lead comprises a limb lead core and a limb lead wrapping, a limb lead metal mesh layer is arranged in the limb lead wrapping, and the chest lead metal mesh layer and the limb lead metal mesh layer are both electrically connected with a host grounding end.

2. An electrocardiograph according to claim 1, wherein: the chest lead foreskin comprises a chest lead inner insulating foreskin and a chest lead outer insulating foreskin, and the chest lead metal mesh layer is arranged between the chest lead inner insulating foreskin and the chest lead outer insulating foreskin; the limb wire sheath comprises a limb guide inner insulation sheath and a limb guide outer insulation sheath, and the limb guide metal mesh layer is arranged between the limb guide inner insulation sheath and the limb guide outer insulation sheath.

3. An electrocardiograph according to claim 1, wherein: six chest wires are connected with the host computer one end and are arranged in parallel and bond for chest lead winding displacement, the one end that the host computer was kept away from to six chest wires is the free end, the free end of six chest wires is arranged according to chest lead V1 to V6 order in proper order.

4. An electrocardiograph according to claim 3, wherein: the free end lengths of the six chest leads are sequentially prolonged according to the sequence of chest leads V1-V6.

5. An electrocardiograph according to claim 3, wherein: the junction of the free ends of the six chest leads and the chest lead flat cables is provided with a symbol marking board, and the symbol marking board is marked with position numbers corresponding to all the chest leads.

6. An electrocardiograph according to claim 1, wherein: the four limb leads comprise a left upper limb lead, a left lower limb lead, a right upper limb lead and a right lower limb lead, one ends of the left upper limb lead and the left lower limb lead, which are connected with the host, are bonded in parallel to form a left limb lead wire, and the ends of the left upper limb lead and the left lower limb lead, which are far away from the host, are free ends; one end of the right upper limb lead and one end of the right lower limb lead, which are connected with the host, are bonded in parallel to form a right limb lead wire, and one ends of the right upper limb lead and the right lower limb lead, which are far away from the host, are free ends.

7. An electrocardiograph according to claim 6, wherein: the free end length of the left upper limb lead is greater than that of the left lower limb lead or the free end length of the left lower limb lead is greater than that of the left upper limb lead; the free end length of the right upper limb lead is greater than that of the right lower limb lead or the free end length of the right lower limb lead is greater than that of the right upper limb lead.

8. An electrocardiograph according to any one of claims 1 to 7, wherein: be equipped with automatic take-up in the mainframe shell, automatic take-up includes the rotary drive arrangement of winding cylinder and drive winding cylinder, chest wire and limb wire can be convoluteed on the winding cylinder.

9. An electrocardiograph according to claim 8, wherein: the winding device is characterized in that a plurality of conducting rings are circumferentially arranged on the periphery of the winding drum, an insulating layer is arranged between each conducting ring and the winding drum, each conducting ring is elastically connected with a conducting elastic sheet, each conducting elastic sheet is electrically connected with the host, and each conducting ring is correspondingly and electrically connected with one limb lead or one chest lead.