Anti-electromagnetic interference cable special for medical equipment

Abstract

The utility model discloses an anti-electromagnetic interference cable special for medical equipment, which relates to the technical field of cables, solves the problems of low anti-interference performance and low compression resistance of the existing device, and adopts the following scheme: cable cores are not contacted with each other, and a certain gap is reserved between the cable cores. Through the arrangement of the inner shielding layer A, the inner shielding layer B and the outer shielding layer, the outer shielding layer can prevent external electromagnetic signals from interfering with the cable cores, and the inner shielding layer A and the inner shielding layer B can prevent mutual interference between the adjacent cable cores, so that the overall anti-interference performance of the cable is improved, and meanwhile, through the arrangement of the filling layer, the outer protection layer and the outer cladding layer, the anti-interference performance of the cable is improved. The filling layer can improve the overall roundness of the cable, gaps among the cable cores are filled, the inner wrapping layer and the outer wrapping layer made of the insulating rubber material improve the toughness of the cable cores, and the outer protective layer and the inner protective layer can improve the overall pressure resistance and elasticity of the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a kind of special cable of medical equipment of anti-electromagnetic interference. BACKGROUND

[0002] ECG device is a kind of medical equipment to record heart activity, plays an important role in medical aid, medical line as the key component of connecting ECG device needs to have the special performance such as environmental protection, non-toxic, anti-electromagnetic interference, no harm to human body, no allergy and good flexibility.

[0003] Through search, the application of patent announcement No. CN216161471U discloses a medical equipment wire, which comprises a signal wire core, a power wire core, a wrapping tape, a shielding copper wire, an isolation tape and an outer sheath. The signal wire core and the power wire core are twisted and combined into a cable core located at the center of the outer sheath. The wrapping tape is wrapped around the outside of the cable core. The shielding copper wire is loosely wrapped around the outside of the wrapping tape. The isolation tape is wrapped around the outside of the shielding copper wire. The outer sheath is wrapped around the outside of the isolation tape. This improves the flexibility and service life of the wire body.

[0004] However, due to the arrangement of the signal wire core and the signal wire core shielding copper wire, the signal wire core shielding copper wire wraps the two groups of signal wire cores together, resulting in electromagnetic signal interference between the two groups of signal wire cores. The anti-interference performance is low. At the same time, there is no filler between the power wire core and the signal wire core, resulting in high flexibility of the overall wire, easy to bend, low compression resistance, and easy to break the internal copper wire.

[0005] Therefore, we propose a special cable for medical equipment with anti-electromagnetic interference. CONTENT OF THE UTILITY MODEL

[0006] In view of the shortcomings of the prior art, the utility model provides a special cable for medical equipment with anti-electromagnetic interference, which solves the problems of low anti-interference performance and low compression resistance of the existing device.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: a special cable for medical equipment with anti-electromagnetic interference, comprising three groups of position opposite cable cores.

[0008] The cable cores are not in contact and have a certain gap. The outer wall of the cable core is equipped with an inner cladding layer of appropriate specification. The outer wall of the inner cladding layer is equipped with an inner shielding layer A and an inner shielding layer B of appropriate specification. The inner shielding layer A and the inner shielding layer B are woven with aluminum foil and copper wire material. The outer side of the cable core is equipped with an inner protective layer of appropriate specification. The outer wall of the inner protective layer is equipped with an outer shielding layer of appropriate specification. The outer shielding layer is woven with pure copper wire.

[0009] The outer wall of the inner shielding layer B is equipped with an outer cladding layer of appropriate specification, the gap between the cable core and the inner protective layer is filled with a uniformly distributed filling layer, the filling layer is made by non-silk weaving and winding, the outer wall of the inner protective layer is equipped with an outer protective layer of appropriate specification, the inner protective layer and the inner protective layer are made of insulating thermoplastic polyurethane elastomer material, and the inner cladding layer and the outer cladding layer are made of insulating rubber material.

[0010] Preferably, the inner shielding layer A and the inner shielding layer B are equipped with an inner waterproof layer of appropriate specification, so that the waterproof performance of the cable core can be improved.

[0011] Preferably, the inner shielding layer B and the outer cladding layer are equipped with an inner flame-retardant layer of appropriate specification, so that the fireproof performance of the cable core can be improved.

[0012] Preferably, the outer wall of the outer shielding layer is equipped with an outer waterproof layer of appropriate specification, so that the waterproof performance of the cable outer layer can be improved.

[0013] Preferably, the outer wall of the outer waterproof layer is equipped with an outer flame-retardant layer of appropriate specification, and the outer protective layer is located outside the outer flame-retardant layer, so that the fireproof performance of the cable outer side can be improved.

[0014] Preferably, the outer wall of the outer protective layer is equipped with a wear-resistant layer, so that the wear resistance of the cable outer wall can be improved, and the service life thereof can be prolonged.

[0015] 1. The medical equipment special cable with electromagnetic interference resistance is characterized in that the inner shielding layer A, the inner shielding layer B and the outer shielding layer are arranged, the outer shielding layer can prevent the electromagnetic signals from the outside from interfering with the cable core, the inner shielding layer A and the inner shielding layer B can prevent the adjacent cable cores from interfering with each other, and the overall anti-interference performance of the cable is improved.

[0016] 2. Meanwhile, the filling layer, the outer protective layer and the outer cladding layer are arranged, the filling layer can improve the roundness of the overall cable, the gaps between the cable cores are filled, the inner cladding layer and the outer cladding layer made of insulating rubber material improve the toughness of the cable core, and the outer protective layer and the inner protective layer can improve the overall compression resistance and elasticity of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a schematic structural view of the whole utility model;

[0018] Fig. 2 It is a schematic structural view of the cable core of the utility model;

[0019] In the diagram: 1. Cable core; 2. Inner sheath; 3. Inner shielding layer A; 4. Inner waterproof layer; 5. Inner shielding layer B; 6. Inner flame retardant layer; 7. Outer sheath; 8. Inner protective layer; 9. Outer shielding layer; 10. Outer waterproof layer; 11. Outer flame retardant layer; 12. Outer protective layer; 13. Filler layer. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1:

[0022] like Figs. 1-2 As shown: the cable cores 1 are not in contact with each other and have a certain gap. The outer wall of the cable core 1 is equipped with an inner sheath 2 of the same specification. The outer wall of the inner sheath 2 is equipped with an inner shielding layer A3 and an inner shielding layer B5 of the same specification. The inner shielding layer A3 and the inner shielding layer B5 are woven from aluminum foil and copper wire. The outer side of the cable core 1 is equipped with an inner protective layer 8 of the same specification. The outer wall of the inner protective layer 8 is equipped with an outer shielding layer 9 of the same specification. The outer shielding layer 9 is woven from pure copper wire. Through the setting of the inner shielding layer A3, the inner shielding layer B5 and the outer shielding layer 9, the outer shielding layer 9 can prevent external electromagnetic signals from interfering with the cable core 1. The inner shielding layer A3 and the inner shielding layer B5 can prevent adjacent cable cores 1 from interfering with each other, thereby improving the overall anti-interference performance of the cable.

[0023] Example 2:

[0024] like Figs. 1-2 As shown: The outer wall of the inner shielding layer B5 is equipped with an outer sheath 7 of the same specification. The gap between the cable core 1 and the inner protective layer 8 is filled with a uniformly distributed filler layer 13, which is made of non-woven braided winding. The outer wall of the inner protective layer 8 is equipped with an outer protective layer 12 of the same specification. The inner protective layer 8 and the inner protective layer 12 are made of insulating thermoplastic polyurethane elastomer material. The inner sheath 2 and the outer sheath 7 are made of insulating rubber material. Through the setting of the filler layer 13, the outer protective layer 12 and the outer sheath 7, the filler layer 13 can improve the overall roundness of the cable and fill the gap between the cable cores 1. The inner sheath 2 and the outer sheath 7 made of insulating rubber material can improve the toughness of the cable core 1. The outer protective layer 12 and the inner protective layer 8 can improve the overall compressive strength and elasticity of the device.

[0025] Example 3:

[0026] As Figs. 1-2 shown: the inner waterproof layer 4 of the same specification is assembled between the inner shielding layer A3 and the inner shielding layer B5, so that the waterproof performance of the cable core 1 can be improved.

[0027] The working principle and use process of the utility model are as follows: when the device needs to work, the outer shielding layer 9 can prevent the electromagnetic signal of the outside from interfering with the cable core 1, the inner shielding layer A3 and the inner shielding layer B5 can prevent the adjacent cable core 1 from interfering with each other, thereby improving the anti-interference performance of the cable as a whole, meanwhile, the filling layer 13 can improve the roundness of the cable as a whole, the gap between the cable core 1 is filled, the inner cladding layer 2 and the outer cladding layer 7 made of insulating rubber material improve the toughness of the cable core 1, and the outer protective layer 12 and the inner protective layer 8 can improve the pressure resistance and elasticity of the device as a whole.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A medical device-specific cable resistant to electromagnetic interference, comprising three sets of cable cores (1) positioned opposite each other. Its features are: The cable cores (1) are not in contact with each other and have a certain gap. The outer wall of the cable core (1) is equipped with an inner sheath (2) of the same specification. The outer wall of the inner sheath (2) is equipped with an inner shielding layer A (3) and an inner shielding layer B (5) of the same specification. The inner shielding layer A (3) and the inner shielding layer B (5) are woven from aluminum foil and copper wire. The outer side of the cable core (1) is equipped with an inner protective layer (8) of the same specification. The outer wall of the inner protective layer (8) is equipped with an outer shielding layer (9) of the same specification. The outer shielding layer (9) is woven from pure copper wire. The outer wall of the inner shielding layer B (5) is fitted with an outer sheath (7) of the same specification. The gap between the cable core (1) and the inner protective layer (8) is filled with a uniformly distributed filler layer (13). The filler layer (13) is made of non-woven braided winding. The outer wall of the inner protective layer (8) is fitted with an outer protective layer (12) of the same specification. The inner protective layer (8) and the outer protective layer (12) are made of insulating thermoplastic polyurethane elastomer material. The inner sheath (2) and the outer sheath (7) are made of insulating rubber material.

2. The electromagnetic interference-resistant medical device cable according to claim 1, characterized in that: An inner waterproof layer (4) with matching specifications is assembled between the inner shielding layer A (3) and the inner shielding layer B (5).

3. The electromagnetic interference-resistant medical device cable according to claim 1, characterized in that: An inner flame-retardant layer (6) with matching specifications is assembled between the inner shielding layer B (5) and the outer cladding layer (7).

4. The electromagnetic interference resistant cable for medical devices according to claim 1, characterized in that: The outer wall of the outer shielding layer (9) is fitted with an outer waterproof layer (10) of the same specifications.

5. The electromagnetic interference-resistant medical device cable according to claim 4, characterized in that: The outer wall of the outer waterproof layer (10) is fitted with an outer flame retardant layer (11) of the same specifications, and the outer protective layer (12) is located outside the outer flame retardant layer (11).

6. The electromagnetic interference-resistant medical device cable according to claim 1, characterized in that: The outer wall of the outer protective layer (12) is fitted with a wear-resistant layer.

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