CN213758274U - An intracavitary electrical monitoring lead device - Google Patents
An intracavitary electrical monitoring lead device Download PDFInfo
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- CN213758274U CN213758274U CN202022358684.6U CN202022358684U CN213758274U CN 213758274 U CN213758274 U CN 213758274U CN 202022358684 U CN202022358684 U CN 202022358684U CN 213758274 U CN213758274 U CN 213758274U
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Abstract
本实用新型涉及一种腔内心电监测导联装置，涉及医疗器械技术领域，包括电极夹，所述电极夹用于夹持导丝，导联部，所述导联部包括用于连接心电监护仪的第一连接部、及用于连接心电图机的第二连接部，导线，所述导线的一端与所述电极夹电连通，导线的另一端分别与所述第一连接部和第二连接部电连通；本实用新型所提供的一种腔内心电监测导联装置，结构紧凑、设计合理，医护人员可以根据设备条件灵活匹配心电监护仪或心电图机，不仅可以有效解决现有技术存在的不足，而且使用更加方便，且有利于实现更加稳定的信号传输。
The utility model relates to an intracavity electrical monitoring lead device, which relates to the technical field of medical devices, comprising an electrode clip used for holding a guide wire, and a lead part, the lead part including an electrode clip for connecting an electrocardiogram The first connecting part of the monitor and the second connecting part for connecting the electrocardiograph, the lead wire, one end of the lead wire is in electrical communication with the electrode clip, and the other end of the lead wire is respectively connected to the first connecting part and the second connecting part. The connecting part is electrically connected; the intracavitary electrical monitoring lead device provided by the utility model is compact in structure and reasonable in design, and medical staff can flexibly match the electrocardiographic monitor or electrocardiograph according to the equipment conditions, which can not only effectively solve the existing technical problems It has shortcomings, is more convenient to use, and is conducive to realizing more stable signal transmission.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to intracavitary electrocardio monitoring device that leads.
Background
In hospitals, after a central venous catheterization procedure is completed, catheter tip positioning is typically required to be performed to confirm that the catheter tip is in the correct position; if the catheter is found to be out of position through examination, the need for re-operative adjustment can increase the economic and labor costs and also present the risk of infection. In recent years, more and more scholars study the application of the intracavitary electrocardiogram technology in the central venous catheterization, and the common means is to connect a central venous catheter or a guide wire with an electrocardiogram monitor through an intracavitary electrocardiogram monitoring lead device and determine the optimal catheter tip position by observing the characteristic P-wave change; clinical effect shows that the catheter head position is positioned in real time in the central venous catheterization through acquiring the intracavitary electrocardiogram monitoring data, so that the catheter ectopy can be found in time, the infection risk caused by repeated catheter adjustment of a patient is avoided, and the positioning is safer, more economical and simpler compared with the current postoperative X-ray positioning. Can be widely applied in clinic.
However, the intracavitary electrocardiographic monitoring lead devices disclosed in the prior art, such as an intracavitary electrocardiographic lead device disclosed in chinese patent CN 211432902U and an intracavitary electrocardiographic monitoring lead electrode clip disclosed in chinese patent CN 204654931U, can only match one of the existing electrocardiographic monitors and electrocardiographs, so that medical staff cannot flexibly select according to actual conditions, and the problems of poor universality and incapability of conducting leads when corresponding equipment is lacked exist, and therefore, a solution is needed urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to improve and exist among the prior art, can not match ECG monitor and electrocardiograph, the poor problem of commonality wantonly according to the demand, provide a compact structure, reasonable in design's intracavity ECG monitoring device that leads, medical personnel can match ECG monitor or electrocardiograph according to equipment condition is nimble to effectively solve the not enough of prior art existence.
The utility model adopts the technical proposal that:
the first aspect of the utility model is to solve the problem of matching the electrocardiograph monitor and the electrocardiograph arbitrarily, and provides an intracavitary electrocardiograph monitoring lead device, which comprises an electrode clamp, wherein the electrode clamp is used for clamping a guide wire,
a lead part which comprises a first connecting part used for connecting the ECG monitor and a second connecting part used for connecting the ECG machine,
and one end of the wire is electrically communicated with the electrode clamp, and the other end of the wire is respectively electrically communicated with the first connecting part and the second connecting part. In this scheme, through the one end at the wire set up the first connecting portion that is used for connecting ECG monitor and the second connecting portion that is used for connecting the electrocardiograph simultaneously, make medical personnel can be according to the equipment condition of reality, it is nimble, ECG monitor or electrocardiograph are connected to convenient selection, reach the purpose that matches ECG monitor and electrocardiograph wantonly, and through setting up the electrode clamp at the other end of wire, make medical personnel can be convenient utilize the motor clamp centre gripping venous catheter or lead, thereby reach the purpose that intracavity ECG monitoring leads.
In one embodiment, the lead section comprises two connecting heads, the first connecting section and the second connecting section being formed on the two connecting heads,
and the two connectors are respectively connected with the conducting wire into a whole. So as to respectively utilize two connectors to connect the ECG monitor and the ECG machine, thereby improving the universality.
In a second aspect of the present invention, to solve the problem of reducing the volume and cost of the lead portion, the lead portion comprises a connector, the first and second connecting portions are respectively formed on the connector,
and the connector is connected with the lead into a whole. In this scheme, through constructing first connecting portion and second connecting portion respectively in same connector, the existing volume that does benefit to whole portion of leading is small and exquisite more, and the structure is compacter, and portable and use are favorable to material saving moreover, reduce cost.
Preferably, the first connection part is a lead hole matched with the electrocardiograph, and the lead hole is electrically communicated with the lead wire,
and/or the second connecting part is a contact pin matched with the ECG monitor, and the contact pin is electrically communicated with the lead. Not only can respectively realize the leads with the electrocardiograph and the electrocardiograph monitor, but also is convenient to disassemble and is beneficial to more convenient use.
In order to facilitate the installation of the pins and the lead holes, the connector further comprises a housing for insulation, the housing is configured with a first opening and a second opening,
the lead hole is arranged in the first open hole,
one end of the contact pin is fixed in the shell, and the other end of the contact pin extends out of the shell through the second opening. The shell is arranged, so that the insulation and encapsulation functions can be realized, and medical care personnel can conveniently grip the shell, so that the plugging operation can be carried out.
Preferably, the pins are banana plugs. So as to be better matched with the ECG monitor.
Preferably, the housing is made of plastic or rubber. Not only is convenient for wrapping the contact pin and the lead hole, but also is beneficial to realizing the insulation function.
In order to provide versatility, preferably, the lead-in hole is an inner hole formed in a conductive metal part, and a side wall of the inner hole is smooth; or, the said lead hole is constructed in the inner hole of a conductive metal part, and along the circumference direction of the inner hole, the sidewall of the inner hole constructs at least one elastic conducting strip and/or elastic column, and the said elastic conducting strip and elastic column are projected to the direction of the central axis of the inner hole separately, the elastic conducting strip is used for conducting electricity, the elastic column is used for locking the plug inserted into inner hole;
and/or the presence of a gas in the gas,
the end of the insertion core extending out of the shell is of a cylindrical polished rod structure, the end part of the insertion core is of an arc structure, or the end of the insertion core extending out of the shell is of a cylindrical structure, the end part of the insertion core is provided with a spherical insulating end, the side surface of the insertion core is provided with a plurality of metal conducting strips along the circumferential direction, each metal conducting strip is respectively of an arch shape, and an annular clamping groove is further formed between the insulating end and the metal conducting strip. So as to be matched with the elastic locking plate in the conductive groove matched with the ECG monitor, and the inserting core is effectively restricted after being inserted into the inserting core, and the inserting core is prevented from automatically falling off.
The utility model discloses the third aspect will further solve the problem that makes the structure of connector compacter, and is further, lead the hole with contact pin structure as an organic whole. That is, in the scheme, the lead hole and the contact pin constructed on the same connector are of an integrated structure, so that the processing and the forming are convenient, the size is further reduced, the cost is reduced, and the use is convenient.
Preferably, the contact pin is made of conductive metal, and the lead hole is formed at one side or one end of the contact pin. Not only be convenient for machine-shaping, be convenient for realize the electricity with the wire and communicate, be favorable to reduce cost, be more convenient for use moreover.
In order to facilitate the plugging operation, the wires are further connected to the housing in a direction parallel or perpendicular to the pins. Thereby being convenient for the medical personnel to carry out the plug operation when working a telephone switchboard by holding the shell.
The fourth aspect of the present invention is to solve the problem of firmly clamping the guide wire of the central venous catheter, and further, the electrode clamp includes a clamping upper jaw, a clamping lower jaw and an elastic component, the clamping upper jaw and one end of the clamping lower jaw are respectively provided with a holding portion, one end of the wire is connected to one of the holding portions and is electrically connected to the clamping upper jaw and/or the clamping lower jaw, and the clamping lower jaw and the elastic component are respectively made of conductive metal materials;
the clamping upper jaw is rotatably connected with the clamping lower jaw, or the two holding parts are rotatably connected together, and the clamping upper jaw and the clamping lower jaw are respectively provided with a saw-tooth-shaped occlusion structure which can be occluded with each other,
the elastic component is arranged between the clamping upper jaw and the clamping lower jaw or between the two holding parts and is used for enabling the serrated occlusion structure for clamping the upper jaw and the serrated occlusion structure for clamping the lower jaw to be occluded with each other. In this scheme, through constructing the cockscomb structure that can interlock each other respectively at centre gripping upper jaw and centre gripping lower jaw, and utilize elastic component to provide elasticity, make the cockscomb structure of centre gripping upper jaw and the cockscomb structure of centre gripping lower jaw can be inseparable interlock be in the same place, so that when the centre gripping seal wire, the central venous catheter or the seal wire by the centre gripping can just in time be gone into the recess of cockscomb structure, prevent in the use, the problem of slippage takes place for central venous catheter or seal wire, and under elastic component's effect, two centre gripping upper jaws can be inseparable interlock with the centre gripping lower jaw together, and compress tightly the central venous catheter or the seal wire by the centre gripping, thereby be favorable to realizing more stable signal transmission.
Preferably, the clamping jaw further comprises a hinged column, the clamping upper jaw and the clamping lower jaw are hinged with each other through the hinged column, or the two holding parts are hinged with each other through the hinged column,
the elastic component is a torsion spring, and the hinge column is sleeved with the torsion spring. So as to realize the rotatable connection of the upper holding jaw and the lower holding jaw.
Compared with the prior art, use the utility model provides a pair of intracavity electrocardio monitoring device that leads, compact structure, reasonable in design, medical personnel can match ECG monitor or electrocardiograph according to equipment condition is nimble, not only can effectively solve not enough that prior art exists, and it is more convenient to use moreover, and is favorable to realizing more stable signal transmission.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an intracavitary electrocardiographic monitoring lead device provided in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a lead portion in the intracavitary electrocardiographic monitoring lead device provided in embodiment 1 of the present invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a partial cross-sectional view of fig. 3.
Fig. 6 is a schematic structural diagram of another lead portion in the intracavitary electrocardiographic monitoring lead device provided in embodiment 1 of the present invention.
Fig. 7 is a schematic view of a partial structure of an electrode clip in the intracavitary electrocardiographic monitoring lead device provided in embodiment 1 of the present invention.
Description of the drawings
A lead 201, a protection structure 202,
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present embodiment provides an intracavitary electrocardiographic monitoring lead device, which includes an electrode clip 101, a lead portion 301 and a lead 201, wherein,
the electrode clamp 101 is used for clamping a guide wire of a central venous catheter, and in the embodiment, the electrode clamp 101 can adopt a conductive clamp commonly used in the prior art;
the lead part 301 comprises a first connecting part for connecting the electrocardiograph monitor and a second connecting part for connecting the electrocardiograph,
and the one end of wire 201 with electrode holder 101 electricity communicates, the other end of wire 201 respectively with first connecting portion and second connecting portion electricity communicate, as shown in fig. 1, in this embodiment, through set up the first connecting portion that is used for connecting ECG monitor and the second connecting portion that is used for connecting the electrocardiograph simultaneously in the one end of wire 201, make medical personnel can be according to the equipment condition of reality, nimble, convenient selection connects ECG monitor or electrocardiograph, reach the purpose of matcing ECG monitor and electrocardiograph wantonly, and through set up electrode holder 101 at the other end of wire 201, make medical personnel can be convenient utilize the motor to press from both sides centre gripping central venous catheter or lead, thereby reach the purpose that intracavity ECG monitoring leads.
In an embodiment provided by this embodiment, the lead portion 301 may include two connectors 302 independent from each other, the first connection portion and the second connection portion may be respectively configured on the two connectors 302, and in a further aspect, the two connectors 302 may further be respectively connected with the wire 201 into a whole, so as to respectively connect the electrocardiograph monitor and the electrocardiograph through two connectors 302, thereby improving the versatility.
In another embodiment provided by this embodiment, the lead portion 301 may include only one connector 302, and the first connection portion and the second connection portion may be respectively configured on the connector 302, as shown in fig. 1, and in a further aspect, the connector 302 may be connected to the wire 201 as a whole, that is, the insulation layer outside the wire 201 may be connected to the connector 302 as an integral structure, which is beneficial to the smaller size of the whole lead portion 301, the more compact structure, the more convenient carrying and use, and the material saving and the cost reduction.
In the present embodiment, the first connection portion may be a lead hole 303 adapted to the electrocardiograph (in particular, an EKG cable or lead wire adapted to the electrocardiograph), and the lead hole 303 is electrically communicated with the lead wire 201 to transmit signals; correspondingly, the second connection portion can also be an insertion core 304 adapted to the electrocardiograph monitor (especially, a conductive groove matching one end of a lead wire of the electrocardiograph monitor, such as a conductive groove on an electrode buckle), the insertion core 304 is made of a conductive metal, and the insertion core 304 is electrically communicated with the lead wire 201, so that the leads with the electrocardiograph and the electrocardiograph monitor can be respectively realized, the detachment is convenient, and the use is more convenient.
In a more complete solution, the connector 302 further includes a housing 305 for insulation, the housing 305 may be preferably made of plastic or rubber, the housing 305 is configured with a first opening and a second opening, wherein the guiding hole 303 is disposed in the first opening, as shown in fig. 1 and 2, so that the guiding hole 303 can be fixed by the housing 305, one end of the ferrule 304 can be fixed in the housing 305, and the other end of the ferrule extends out of the housing 305 through the second opening, as shown in fig. 1, 2 and 5, so as to achieve the purpose of fixing the ferrule 304, and in addition, the housing 305 is disposed to achieve both the insulation and encapsulation functions and be conveniently held by medical staff for performing insertion and extraction operations during lead insertion.
In order to match different models of electrocardiograph monitors, the insertion core 304 may preferably adopt a banana plug (or called banana plug), which is a standard connector matched with the electrocardiograph monitors, and the banana plug generally has two structures, one of which is shown in fig. 6, one end of the insertion core 304 extending out of the housing 305 is a cylindrical polished rod structure, and the end part is generally configured into an arc structure, and the insertion core 304 of this structure generally utilizes the end part to realize the electric conduction function; another structure is shown in fig. 2, 3 and 5, the ferrule 304 is a cylindrical structure, generally a stepped cylindrical structure, the end of the ferrule 304 is provided with a spherical insulating end 306, generally made of rubber or plastic, the side surface of the ferrule 304 is generally configured with a plurality of metal conducting strips 307 along the circumferential direction, and each metal conducting strip 307 is respectively configured in an arch shape, so that after being inserted into the conducting slot of the electrocardiograph monitor, the metal conducting strips can be in close contact with the side surface of the conducting slot in a generally elastic deformation manner, thereby achieving stable electrical communication; an annular slot 308 is usually formed between the insulating end 306 and the metal conducting strip 307, as shown in fig. 3 or fig. 5, so as to be adapted to an elastic locking piece in a conducting slot adapted to the electrocardiograph monitor, so that after the insertion core 304 is inserted, the insertion core 304 is effectively restrained, and the insertion core 304 is prevented from automatically falling off.
To match different models of electrocardiographs, as an embodiment, the lead hole 303 may be an inner hole with smooth side wall, as shown in fig. 4, so as to match the insertion core 304 similar to the above-mentioned cylindrical polish rod structure; by way of example, the internal bore may be formed in a conductive metal member (e.g., a conductive metal member having a columnar structure) that is secured within the housing 305 and is in electrical communication with the lead 201;
as another embodiment, the conductive hole 303 may also be an inner hole formed in a conductive metal part, and along a circumferential direction of the inner hole, a sidewall of the inner hole is formed with at least one elastic conductive sheet 309 and/or elastic column 310, and the elastic conductive sheet 309 and the elastic column 310 respectively protrude toward a central axis of the inner hole, as shown in fig. 5, the elastic conductive sheet 309 is used for conducting electricity, and the elastic column 310 may be matched with a plug inserted into the inner hole so as to be clamped into a clamping groove of a sidewall of the plug, so as to achieve the purpose of locking the plug and preventing the plug from falling off by itself, and in a more preferred embodiment, an end of the inner hole may be a hemispherical structure so as to be matched with an end of the plug.
Example 2
The main difference between the present embodiment 2 and the above embodiment 1 is that, in the intracavitary electrocardiographic monitoring lead-in device provided in the present embodiment, the lead-in hole 303 and the ferrule 304 are integrated, as shown in fig. 5; that is, in the present embodiment, the lead hole 303 and the ferrule 304 constructed on the same connector 302 can be an integral structure, which is convenient for processing and molding, is beneficial to further reducing the volume and the cost, and is also convenient for use.
Preferably, the lead hole 303 can be configured at one side or one end of the ferrule 304, which is not only convenient for processing and molding, but also convenient for electrical communication with the lead 201, which is beneficial to reducing the cost, and is more convenient for use; by way of example, as shown, in the present embodiment, the lead hole 303 is directly formed at one end of the ferrule 304, and the ferrule 304 is fixed in the housing 305 and electrically connected with the copper wires inside the wires 201 in the housing 305.
In order to facilitate the plugging operation, in a further scheme, the lead 201 can be connected to the housing 305 in a direction parallel or perpendicular to the insertion core 304, so that the plugging operation when the medical staff performs wiring by holding the housing 305 is facilitated; as shown in fig. 1 to 6, in the present embodiment, the wire 201 is connected to the housing 305 in a direction parallel to the ferrule 304, and a protection structure 202 for preventing the wire 201 from being broken is further provided at the connection of the wire 201 and the housing 305, as shown in fig. 1.
Example 3
The main difference between this embodiment 3 and the above embodiment 1 is that, in the intracavitary electrocardiographic monitoring lead-in device provided by this embodiment, the electrode clip 101 includes a holding upper jaw 102, a holding lower jaw 103 and an elastic component, wherein,
the clamping lower jaw 103 and the elastic part are respectively made of conductive metal materials so as to be conductive and achieve the purpose of transmitting signals;
as shown in fig. 1 and 7, the gripping parts 104 are respectively arranged at one end of the gripping upper jaw 102 and one end of the gripping lower jaw 103, one end of the wire 201 is connected with one of the gripping parts 104 and is electrically communicated with the gripping upper jaw 102 and/or the gripping lower jaw 103,
the holding upper jaw 102 is rotatably connected with the holding lower jaw 103, or the two holding portions 104 are rotatably connected together, so as to realize the opening and closing functions of the electrode clamp 101, as shown in fig. 1 and 7, the holding upper jaw 102 and the holding lower jaw 103 are respectively configured with a saw-tooth-shaped engaging structure 105 capable of engaging with each other,
the elastic component can be arranged between the clamping upper jaw 102 and the clamping lower jaw 103, or between the two holding parts 104, and is used for enabling the serrated occlusion structure 105 of the clamping upper jaw 102 and the serrated occlusion structure 105 of the clamping lower jaw 103 to be occluded with each other, so that when the guide wire is clamped, the clamped central venous catheter or guide wire can be just clamped into the groove of the serrated occlusion structure 105, the problem that the central venous catheter or guide wire slips off in the use process is prevented, and under the action of the elastic component, the two clamping upper jaws 102 and the clamping lower jaw 103 can be tightly occluded together and tightly press the clamped central venous catheter or guide wire, and therefore more stable signal transmission is facilitated.
By way of example, in the present embodiment, an articulated column 106 is further included, the clamping upper jaw 102 and the clamping lower jaw 103 are articulated with each other through the articulated column 106, or the two holding portions 104 are articulated with each other through the articulated column 106, and the elastic member may be a torsion spring, and the torsion spring may be sleeved on the articulated column 106, the torsion force of the torsion spring gradually increases when the two clamping upper jaws 102 and the clamping lower jaw 103 are away from each other, and the torsion spring has a set torsion force when the clamping upper jaw 102 and the clamping lower jaw 103 are in a closed state, so as to have a sufficient clamping force to clamp the central venous catheter or the guide wire.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
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| CN202022358684.6U CN213758274U (en) | 2020-10-21 | 2020-10-21 | An intracavitary electrical monitoring lead device |
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| CN202022358684.6U CN213758274U (en) | 2020-10-21 | 2020-10-21 | An intracavitary electrical monitoring lead device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119302643A (en) * | 2024-12-16 | 2025-01-14 | 四川省肿瘤医院 | Intracavity precise positioning method and related device based on electrocardiogram signal |
| WO2025012665A1 (en) * | 2023-07-11 | 2025-01-16 | Vasios Grigorios | Transvertebral stimulation and recording electrode |
-
2020
- 2020-10-21 CN CN202022358684.6U patent/CN213758274U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025012665A1 (en) * | 2023-07-11 | 2025-01-16 | Vasios Grigorios | Transvertebral stimulation and recording electrode |
| CN119302643A (en) * | 2024-12-16 | 2025-01-14 | 四川省肿瘤医院 | Intracavity precise positioning method and related device based on electrocardiogram signal |
| CN119302643B (en) * | 2024-12-16 | 2025-03-14 | 四川省肿瘤医院 | Intracavitary accurate positioning method based on electrocardiosignal and related device |
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