An integrated medical cable assembly

Abstract

The utility model relates to an integrated medical cable assembly, comprising: a flat cable, a loose wire, and male connectors and female connectors are respectively arranged at the ends of the loose wires at both ends of the flat cable; wherein the cable core comprises: an alloy stranded wire; an insulating layer, which is coated on the alloy stranded wire and arranged in a group with the alloy stranded wire; the alloy stranded wire and the insulating layer are coated with a sub-shielding layer; the alloy stranded wires and the insulating layer are adjacent to each other in a mutually contacting manner through their respective sub-shielding layers, and are surrounded into a circle; the alloy stranded wires and the insulating layer are filled in the circle formed by the alloy stranded wires and the insulating layer in the periphery in a mutually contacting manner through their respective sub-shielding layers; the circle formed by the sub-shielding layer in the periphery is coated with a total shielding layer; and a drainage line is filled between the sub-shielding layer in the periphery and the total shielding layer. In the case of many medical devices, the utility model occupies a small wiring space and can reduce mutual interference between cable wiring.

Description

Technical Field

[0001] The utility model relates to the field of cables, and in particular to an integrated medical cable assembly. Background Art

[0002] With the development of my country's medical industry, medical equipment technology has made great progress, and higher requirements have been placed on the medical cables used. Medical cables are widely used in medical equipment, such as medical X-ray machines, CT machines, MRI machines, ultrasound, electrocardiographs, hemodialysis machines, etc. Traditional medical equipment is equipped with independent cables. When the independent cables are numerous and messy, they occupy a large space. With the frequent bending of the cable trough, they squeeze each other, causing the crosstalk of the cable pairs to increase and even short circuit and open circuit. It cannot meet the comprehensive needs of the new generation of medical equipment for cables. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an integrated medical cable assembly, which occupies a small wiring space when there are many medical devices, can reduce mutual interference between cable wiring and ensure that the cable maintains high reliability despite frequent bending of the cable trough.

[0004] In order to solve the above problems, an integrated medical cable assembly is used, which includes:

[0005] A flat cable comprising a plurality of cable cores arranged side by side;

[0006] The scattered wires are separated from and extend from a plurality of cable cores arranged side by side at both ends of the flat cable, and the ends of the scattered wires at both ends of the flat cable are provided with a male connector and a female connector respectively;

[0007] The cable core includes:

[0008] Alloy stranded wire;

[0009] An insulating layer, which is coated on the alloy stranded wire and is arranged in a group with the alloy stranded wire;

[0010] At least two groups of alloy stranded wires and insulation layers are covered with separate shielding layers;

[0011] The alloy strands and insulating layers in groups at the periphery are adjacent to each other in a contacting manner through their respective sub-shielding layers and are surrounded to form a circle;

[0012] The group of alloy stranded wires and insulating layers in the inner part are filled in the loop formed by the group of alloy stranded wires and insulating layers in the outer part in a mutually contacting manner through respective sub-shielding layers;

[0013] The circle formed by the peripheral sub-shielding layer is covered with the overall shielding layer;

[0014] A drainage line is filled between the peripheral sub-shielding layer and the overall shielding layer;

[0015] The overall shielding layer is covered with a rubber-plastic elastomer sheath.

[0016] As a further improvement of the utility model, the insulating layer is an ethylene-tetrafluoroethylene copolymer insulating layer.

[0017] As a further improvement of the utility model, the sub-shielding layer is a hot-melt aluminum foil with the aluminum surface facing outwards.

[0018] As a further improvement of the utility model, the total shielding layer is a common aluminum foil, and the aluminum surface of the common aluminum foil faces inwards.

[0019] As a further improvement of the present invention, the alloy stranded wire adopts 0.035mm 2 And the following tiny cross section.

[0020] As a further improvement of the present invention, after the internal points of the male connector and the female connector are welded, they are filled with epoxy resin glue.

[0021] The utility model realizes one-time molding of multiple cable sheaths by flattening each cable core through a mold core and a mold sleeve, and then tearing the flat cable along the tangent part of each cable core sheath according to the user's requirements for the length of the scattered wire segment during assembly, and assembling male and female connectors at both ends. The cable core has alloy strands, ethylene-tetrafluoroethylene copolymer insulation, hot-melt aluminum foil, drainage wire, and ordinary aluminum foil from the inside to the outside. It flattens and extrude the sheaths of each independently shielded cable core with good electromagnetic compatibility and low noise in a one-time arrangement of wires, so as to realize the stable provision of electrical signals and control signals for multiple medical devices in a very small wiring space and a wire trough with a frequent bending radius of only 40mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of an embodiment.

[0023] Figure 2 is a cross-sectional view of a flat cable according to an embodiment.

[0024] Figure 3 for Figure 2 Schematic diagram of the cross section of part A in .

[0025] Figure numerals: 1. male connector; 2. flat cable; 21. alloy stranded wire; 22. insulation layer; 23. sub-shielding layer; 24. drainage wire; 25. overall shielding layer; 26. rubber-plastic elastomer sheath; 3. female connector. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Example 1

[0029] like Figure 1-Figure 3 As shown, an integrated medical cable assembly, in this embodiment, three or more cable cores with the same or different functions are arranged in a row and extruded through a flattening die at one time to form a flat cable 2. Then, according to the user's requirements for the length of the scattered wire segment during assembly, the flat cable is torn apart along the tangent part of the sheath of each cable core, and the male connector 1 and the female connector 3 are respectively assembled on each of the scattered wires at both ends.

[0030] The internal cable core structure is: alloy stranded wire 21 with a small cross-section of 0.035mm2 or less, and the outer wall has ethylene-tetrafluoroethylene copolymer insulation 22, hot-melt aluminum foil 23, drainage wire 24, ordinary aluminum foil 25, and rubber-plastic elastomer sheath 26 from the inside to the outside.

[0031] The anti-electromagnetic interference structure of this embodiment is: hot-melt aluminum foil 23 shielding with the aluminum surface facing outward, sintering treatment of the hot-melt aluminum foil 23 shielding, differentiated design of the pitch of each twisted pair, and overall shielding of the drainage wire 24 and the ordinary aluminum foil 25 facing inward.

[0032] The internal structure of the male connector 1 and the female connector 3 of this embodiment is as follows: in order to prevent the extremely fine electronic wires for weak current and signal transmission from short circuit and open circuit under the action of external force, after the point welding is completed, the connector tail cover is filled with epoxy resin glue to prevent the single wire from being subjected to force.

[0033] This embodiment mainly solves the comprehensive needs of achieving small wiring space occupation and long-term stable operation and high reliability of cables under frequent bending and movement in the case of many medical devices, high electromagnetic compatibility environment requirements and low noise.

[0034] The key points of this embodiment are: each cable core is formed into multiple cable sheaths at one time through a flattened mold core and mold sleeve, and then the flat cable is torn along the tangent part of each cable core sheath according to the user's requirements for the length of the scattered wire segment during assembly, and the male and female connectors are respectively assembled on both ends. The cable core has alloy strands, ethylene-tetrafluoroethylene copolymer insulation, hot-melt aluminum foil, drainage wire, and ordinary aluminum foil from the inside to the outside. It flattens and extrude the sheaths of each independently shielded cable core with good electromagnetic compatibility and low noise in a one-time wiring form, which can provide stable electrical signals and control signals for multiple medical devices in extremely small wiring space and frequently winding cable troughs with a bending radius of only 40mm.

[0035] The utility model avoids the mutual interference between the external and internal twisted pairs / twisted cores and the internal twisted pair cores under a strong electromagnetic field environment; it solves the reliability problem of the product's signal transmission attenuation becoming larger and the interference between pairs becoming stronger under frequent bending. The product has the advantages of small space occupation, light weight, good electromagnetic compatibility, soft and easy to bend, moisture resistance, and environmental aging resistance. It is suitable for the application of comprehensive medical equipment in occasions with many medical equipment, high requirements for electromagnetic compatibility environment, low noise, small wiring space, and frequent bending and movement.

[0036] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For technicians in the technical field to which the present invention belongs, several equivalent substitutions or obvious variations can be made without departing from the concept of the present invention, and the performance or use is the same, which should be regarded as belonging to the protection scope of the present invention.

Claims

1. An integrated medical cable assembly, characterized in that include: A flat cable (2) comprising a plurality of cable cores arranged side by side; The scattered wires are separated from and extend from a plurality of cable cores arranged side by side at both ends of the flat cable (2), and the ends of the scattered wires at both ends of the flat cable (2) are respectively provided with a male connector (1) and a female connector (3); The cable core includes: Alloy stranded wire (21); an insulating layer (22), which is coated on the alloy stranded wire (21) and is arranged in a group with the alloy stranded wire (21); At least two groups of alloy twisted wires (21) and an insulating layer (22) are covered with a sub-shielding layer (23); The alloy strands (21) and the insulating layer (22) in the periphery are arranged in groups, adjacent to each other, in contact with each other through respective shielding layers (23), and are surrounded to form a loop; The group of alloy stranded wires (21) and the insulating layer (22) located inside are filled in a loop formed by the group of alloy stranded wires (21) and the insulating layer (22) located outside in a mutually contacting manner through respective sub-shielding layers (23); The circle formed by the peripheral sub-shielding layer (23) is covered with a total shielding layer (25); A drainage line (24) is filled between the peripheral sub-shielding layer (23) and the overall shielding layer (25); The overall shielding layer (25) is covered with a rubber-plastic elastomer sheath (26).

2. The integrated medical cable assembly according to claim 1, characterized in that The insulating layer (22) is an ethylene-tetrafluoroethylene copolymer insulating layer.

3. The integrated medical cable assembly according to claim 1, characterized in that The sub-shielding layer (23) is a hot-melt aluminum foil, with the aluminum surface facing outwards.

4. The integrated medical cable assembly according to claim 1, characterized in that The overall shielding layer (25) is a common aluminum foil, with the aluminum surface of the common aluminum foil facing inwards.

5. The integrated medical cable assembly according to claim 1, characterized in that Alloy stranded wire (21) is made of 0.035mm 2 And the following tiny cross section.

6. The integrated medical cable assembly according to claim 1, characterized in that After the internal points of the male connector (1) and the female connector (3) are welded, they are filled with epoxy resin glue.

Images