Pressure-resistant and high-temperature-resistant medical wire

Abstract

The utility model relates to the technical field of medical wires, in particular to a pressure-resistant and high-temperature-resistant medical wire, which comprises a first conductor, a first insulating layer, a second conductor, a second insulating layer, a filler, an aluminum foil layer, a woven belt, a wrapping belt and a jacket, the first conductor, the second conductor and the filler are connected in a twisted mode, the first insulating layer wraps the first conductor, the second insulating layer wraps the second conductor, the aluminum foil layer wraps the first insulating layer and the second insulating layer, the aluminum face of the aluminum foil layer is outward, the woven belt is arranged outside the aluminum foil layer, and the wrapping belt is located outside the woven belt. The wrapping tape is composed of a PTFE raw material tape, and the outer cover is fixed outside the wrapping tape. The cable is simple in structure and reasonable in design, adopts a symmetrical structure, is filled with cotton threads at the center, is easy to resist pressure, adopts Teflon for insulation and adopts silica gel for coating, so that the cable is excellent in cold resistance and high temperature resistance, and can resist pressure in a temperature range of-60-200 DEG C.

Description

Technical Field

[0001] This utility model relates to the field of medical wire technology, and in particular to a pressure-resistant and high-temperature-resistant medical wire. Background Technology

[0002] In the field of medical equipment, cables, as key components for signal transmission and power supply, need to maintain stable performance in extreme environments, especially in scenarios involving high-temperature sterilization, low-temperature storage, or high-pressure operation.

[0003] Existing medical-grade wires are made of ordinary silicone, which has a limited temperature range (usually -40℃ to 105℃) and cannot withstand high-temperature steam sterilization cycles above 135℃. Long-term use can easily lead to aging, embrittlement, or deformation. In addition, the wires have insufficient compressive strength and are prone to internal structural collapse under instrument bending or external pressure, affecting electrical performance. To address this problem, the inventors designed a pressure-resistant and high-temperature-resistant medical wire. Utility Model Content

[0004] The purpose of this invention is to provide a pressure-resistant and high-temperature-resistant medical wire with a simple and reasonable structure, a symmetrical structure, and cotton thread filling in the center. This structure is easy to resist pressure. The insulation is made of Teflon and the outer sheath is made of silicone. Therefore, the wire has excellent cold and high temperature resistance, and can withstand a temperature range of -60 to 200 degrees Celsius and resist pressure, thus solving the problems mentioned in the above technical background.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a pressure-resistant and high-temperature-resistant medical wire, comprising:

[0007] First conductor, first insulating layer, second conductor, second insulating layer, filler, aluminum foil layer, braided tape, wrapping tape, and outer sheath;

[0008] The first conductor, the second conductor, and the filler are twisted together. The first insulation layer is wrapped around the outside of the first conductor, the second insulation layer is wrapped around the outside of the second conductor, the aluminum foil layer is wrapped around the outside of the first insulation layer and the second insulation layer, with the aluminum side of the aluminum foil layer facing outwards, the braided tape is placed outside the aluminum foil layer, the wrapping tape is located outside the braided tape, the wrapping tape is composed of PTFE raw material tape, and the outer sheath is fixed to the outside of the wrapping tape.

[0009] Furthermore, the cross-sections of the first conductor, the second conductor, and the filler are symmetrically distributed along the central axis of the outer sheath. The outer diameter of the first conductor is 0.58 mm, the outer diameter of the second conductor is 0.46 mm, the first conductor and the second conductor are made of silver-plated copper, and the filler is made of cotton thread.

[0010] Furthermore, the first insulating layer is made of FEP, with an average thickness of 0.22 mm and a minimum thickness of not less than 0.18 mm. The wire diameter of the first insulating layer is 1.05 mm ± 0.08 mm, and the color of the first insulating layer is red, black, or white.

[0011] Furthermore, the material of the second insulating layer is FEP, with an average thickness of 0.22mm and a minimum thickness of not less than 0.17mm. The wire diameter of the second insulating layer is 0.9mm ± 0.05mm, and the color of the second insulating layer is yellow, blue, green, brown, purple, gray, transparent, light blue, or light green.

[0012] Furthermore, the outer sheath is composed of fumed silica gel with an average thickness of 1.1 mm and a minimum thickness of not less than 0.8 mm. The wire diameter of the outer sheath is 6.2 mm ± 0.3 mm, and the color of the outer sheath is gray.

[0013] Furthermore, the resistance of the first conductor is 89Ω / KM20℃, the resistance of the second conductor is 150Ω / KM20℃, and the resistance of the first insulating layer and the second insulating layer is 10MΩ / KM20℃.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This utility model provides a pressure-resistant and high-temperature-resistant medical wire, which includes a first conductor, a first insulation layer, a second conductor, a second insulation layer, filler, an aluminum foil layer, a braided tape, a wrapping tape, and an outer sheath. The overall structure of the medical wire is simple and reasonably designed, adopting a symmetrical structure with cotton thread filling in the center. This structure is easy to resist pressure. The insulation uses Teflon, and the outer sheath uses silicone. Therefore, the wire has excellent cold and high temperature resistance, and can withstand a temperature range of -60 to 200 degrees Celsius while being pressure-resistant, flexible, and easy to bend. The outer sheath uses fumed silica. Through these structural features, the wire can withstand 135°C high-temperature steam circulation at twice atmospheric pressure without structural distortion, making it highly practical. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] The attached diagram lists the components represented by each number as follows:

[0019] 1. First conductor; 2. First insulating layer; 3. Second conductor; 4. Second insulating layer; 5. Filler; 6. Aluminum foil layer; 7. Braided tape; 8. Covering tape; 9. Outer sheath. Detailed Implementation

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0023] Please see Figure 1 As shown, this embodiment is a pressure-resistant and high-temperature-resistant medical wire, comprising:

[0024] 1. First conductor; 2. First insulating layer; 3. Second conductor; 4. Second insulating layer; 5. Filler; 6. Aluminum foil layer; 7. Braided tape; 8. Wrapping tape; and 9. Outer sheath.

[0025] The first conductor 1, the second conductor 3, and the filler 5 are twisted together. The first insulating layer 2 is wrapped around the outside of the first conductor 1, the second insulating layer 4 is wrapped around the outside of the second conductor 3, the aluminum foil layer 6 is wrapped around the outside of the first insulating layer 2 and the second insulating layer 4, the aluminum side of the aluminum foil layer 6 faces outward, the braided tape 7 is placed outside the aluminum foil layer 6, the wrapping tape 8 is located outside the braided tape 7, the wrapping tape 8 is composed of PTFE raw material tape, and the outer sheath 9 is fixed to the outside of the wrapping tape 8.

[0026] The cross-sections of the first conductor 1, the second conductor 3, and the filler 5 are symmetrically distributed along the central axis of the outer sheath 9. The outer diameter of the first conductor 1 is 0.58 mm, the outer diameter of the second conductor 3 is 0.46 mm, the material of the first conductor 1 and the second conductor 3 is silver-plated copper, and the material of the filler 5 is cotton thread.

[0027] The first conductor 1 and the second conductor 3 are used to transmit electrical energy or signals. Silver-plated copper reduces resistance and energy loss. The first conductor 1 and the second conductor 3 are used to connect power, signal or bipolar configuration respectively. Filler 5 fills the gap between the conductors to keep the cable cross-section round and prevent deformation. Aluminum foil layer 6 is used to block external electromagnetic interference and protect the stability of signal transmission. Braided tape 7 is used to resist physical damage such as stretching and squeezing and protect the internal optical fiber structure. Wrapping tape 8 is used to wrap the loose braided tape 7 and provide a uniform base for the outer sheath 9. The outer sheath 9 is used to resist external moisture, oil, wear and mechanical impact.

[0028] The first insulating layer 2 is made of FEP, with an average thickness of 0.22 mm and a minimum thickness of 0.18 mm. The wire diameter of the first insulating layer 2 is 1.05 mm ± 0.08 mm, and the color of the first insulating layer 2 is red, black, or white.

[0029] The material of the second insulating layer 4 is FEP, with an average thickness of 0.22mm and a minimum thickness of not less than 0.17mm. The wire diameter of the second insulating layer 4 is 0.9mm ± 0.05mm, and the color of the second insulating layer 4 is yellow, blue, green, brown, purple, gray, transparent, light blue, or light green.

[0030] The first insulating layer 2 and the second insulating layer 4 prevent short circuits between conductors, withstand voltage and high temperature, and can be distinguished by color from conductors with different functions;

[0031] The outer sheath 9 is composed of fumed silica gel with an average thickness of 1.1 mm and a minimum thickness of not less than 0.8 mm. The wire diameter of the outer sheath 9 is 6.2 mm ± 0.3 mm, and the color of the outer sheath 9 is gray.

[0032] The resistance of the first conductor 1 is 89Ω / KM20℃, the resistance of the second conductor 3 is 150Ω / KM20℃, and the resistance of the first insulating layer 2 and the second insulating layer 4 is 10MΩ / KM20℃.

[0033] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pressure-resistant and high-temperature-resistant medical wire, characterized in that, include: First conductor (1), first insulation layer (2), second conductor (3), second insulation layer (4), filler (5), aluminum foil layer (6), braided tape (7), wrapping tape (8) and outer sheath (9); The first conductor (1), the second conductor (3) and the filler (5) are twisted together. The first insulation layer (2) is wrapped around the outside of the first conductor (1), the second insulation layer (4) is wrapped around the outside of the second conductor (3), the aluminum foil layer (6) is wrapped around the outside of the first insulation layer (2) and the second insulation layer (4), the aluminum surface of the aluminum foil layer (6) faces outward, the braided tape (7) is placed outside the aluminum foil layer (6), the wrapping tape (8) is located outside the braided tape (7), the wrapping tape (8) is composed of PTFE raw material tape, and the outer sheath (9) is fixed to the outside of the wrapping tape (8).

2. The pressure-resistant and high-temperature-resistant medical wire according to claim 1, characterized in that, The cross-sections of the first conductor (1), the second conductor (3) and the filler (5) are symmetrically distributed along the central axis of the outer sheath (9). The outer diameter of the first conductor (1) is 0.58 mm, the outer diameter of the second conductor (3) is 0.46 mm, the material of the first conductor (1) and the second conductor (3) is silver-plated copper, and the material of the filler (5) is cotton thread.

3. The pressure-resistant and high-temperature-resistant medical wire according to claim 1, characterized in that, The first insulating layer (2) is made of FEP, with an average thickness of 0.22 mm and a minimum thickness of 0.18 mm. The wire diameter of the first insulating layer (2) is 1.05 mm ± 0.08 mm, and the color of the first insulating layer (2) is red, black, or white.

4. The pressure-resistant and high-temperature-resistant medical wire according to claim 1, characterized in that, The material of the second insulating layer (4) is FEP, with an average thickness of 0.22mm and a minimum thickness of not less than 0.17mm. The wire diameter of the second insulating layer (4) is 0.9mm ± 0.05mm. The color of the second insulating layer (4) is yellow, blue, green, brown, purple, gray, transparent, light blue or light green.

5. The pressure-resistant and high-temperature-resistant medical wire according to claim 1, characterized in that, The outer sheath (9) is composed of fumed silica gel with an average thickness of 1.1 mm and a minimum thickness of 0.8 mm. The wire diameter of the outer sheath (9) is 6.2 mm ± 0.3 mm and the color of the outer sheath (9) is gray.

6. The pressure-resistant and high-temperature-resistant medical wire according to claim 1, characterized in that, The resistance of the first conductor (1) is 89Ω / KM20℃, the resistance of the second conductor (3) is 150Ω / KM20℃, and the resistance of the first insulating layer (2) and the second insulating layer (4) is 10MΩ / KM20℃.

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