CN215954865U - Super-soft, super-strong, anti-seismic, waterproof and antibacterial medical cable for cardiac fibrillation - Google Patents

Abstract

The utility model provides an ultra gentle superstrong waterproof antibiotic heart fibrillation medical cable of antidetonation, it sets gradually central video signal line, first band layer, first shielding layer, interior by insulating layer, signal line winding layer, second band layer, well by insulating, total shielding layer, antibiotic silica gel sheath, antibiotic silicone coating outside from inside. The advantages are that: 1. has the medical treatment function of super-strong bacteria and germs resistance; 2. the occurrence of unsafe accidents caused by magnetic induction current of cables, medical instruments and therapeutic instruments thereof is avoided; 3. the waterproof and anti-seismic double-auxiliary function is achieved; 4. the high-frequency signal transmission device has the functions of stable high-frequency signal transmission and extremely low attenuation; 5. has the functions of prolonging the service life of the product and having super strong mechanical strength in the exercise treatment state.

Description

Super-soft, super-strong, anti-seismic, waterproof and antibacterial medical cable for cardiac fibrillation

Technical Field

The utility model relates to a cable, in particular to an ultra-soft and ultra-strong anti-seismic waterproof antibacterial medical cable for cardiac fibrillation.

Background

With the fact that the popularization rate of accurate treatment of life science medical equipment is wider and wider, the trend of remote medical treatment plus 5G internet comprehensive health development is changing day by day, and the advancement and the scientific diagnosis precision of medical equipment for critical emergency treatment and life rescue of people are higher and higher.

According to effective statistics of official data, under the current large environment that the global aging degree is gradually increased and the sub-health hazard day of people is deep, the number of people died by middle-aged and old people per year due to the causes of hypertension, hyperlipidemia, myocardial infarction, cardiovascular and cerebrovascular blockage and the like exceeds 10 ten thousand. In China, the elderly people over 65 years old currently exceed 1.8 million people, and various medical institutions and medical units reach 19.8 million yuan for the defibrillation instrument and the medical cable matched with the defibrillation instrument; it is expected that by 2026, it will exceed 30 billion dollars. In view of the international society, the countries with developed medical equipment and medical technology are mainly concentrated in countries and regions with concentrated population such as north america, europe, and asia. Relatively speaking, people have more strict requirements on the anti-seismic, waterproof, low-noise, tensile, antibacterial and flexibility requirements of the cardiac fibrillation cables matched with cardiac pacemakers, implantable cardioversion instruments and cardiac fibrillation instruments. The need for quality and structural design and performance design innovations for existing defibrillation cables and their wiring harnesses is more critical.

The main structure of a medical cable matched with a cardiac fibrillation instrument applied by various current well-known medical instrument enterprises and institutions is as follows: the center of the No. 1 cable is formed by taking cotton yarn or PP yarn as a filling material or a solid PVC filling strip, shielding the periphery of a filler by 10-core tin-plated copper conductor HDPE insulated signal wires and semi-conductive PVC, winding with tin-plated copper, and taking flame-retardant TPU or medical grade PVC as a sheath structure. The 2 nd cable center conductor is tinned copper, the insulating layer uses conventional TPEE material, 10 heart yearn cores are gathered and are packed with cotton paper as the center in the cable forming process, tinned copper twines common structure, the oversheath chooses half matte medical grade PVC to extrude.

The medical cable matched with the currently applied cardiac fibrillation instrument has limited waterproof performance and very little anti-seismic performance, and almost lacks of an antibacterial function; secondly, the product has over-small bending and pulling resistant strength and limited flexibility, the service life of the product is at most 2-3 years, the bending resistant times only reach 1-5 thousands of times, and the signal transmission speed is 480Mbps, so that the product has certain performance and function defects in signal transmission, flexibility, water resistance and corrosion resistance, earthquake resistance, medical environmental protection, biotoxicity resistance and service life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the background art, the utility model provides an ultra-soft, ultra-strong, shock-resistant, waterproof and antibacterial medical cable for cardiac fibrillation.

The technical scheme adopted by the utility model is as follows: an ultra-flexible, ultra-strong, shock-resistant, waterproof and antibacterial medical cable for cardiac fibrillation comprises

The central video signal wire comprises a first core wire conductor and a first insulating layer, wherein the first core wire conductor is formed by stranding silver-plated copper foil wire conductors, and the first insulating layer is formed outside the first core wire conductor in an extrusion molding mode by adopting TPEE insulating materials;

the first wrapping layer is made of ETFE shielding plastic tape and wraps the outer side of the video signal line;

a first shielding layer wound outside the first wrapping layer by using a copper wire,

the inner insulating layer is made of TPE (thermoplastic elastomer) semiconductive thermoplastic material and covers the outer side of the first shielding layer;

the signal wire winding layer comprises 9 external signal wires which are arranged on the outer side of the insulating layer side by side, each external signal wire comprises a second core wire conductor and a second insulating layer, the second core wire conductor is formed by stranding silver-plated copper foil wire conductors, and the second insulating layer is formed on the outer side of the second core wire conductor in an extrusion molding mode by adopting TPEE insulating material

The second wrapping band layer is a PTFE shielding high-temperature resistant band and covers the outer side of the signal wire winding layer;

the middle insulating layer is made of TPE (thermoplastic elastomer) magnetic resistance materials and covers the outer side of the second wrapping band layer;

a total shielding layer, which adopts copper wires to wind the outer side of the middle insulating layer,

the antibacterial silica gel sheath is sleeved outside the total shielding layer;

and the antibacterial silicone coating layer is coated on the outer surface of the antibacterial silica gel sheath.

The signal wire winding layer further comprises 2 silica gel hollow tubes, and 9 external signal wires and the 2 silica gel hollow tubes are arranged on the outer side of the periphery of the inner insulating layer.

The outer diameter of the silica gel hollow tube is 0.75 +/-0.05 mm, and the hollow diameter is 0.25 mm.

The first wrapping layer adopts an ETFE shielding plastic belt with the width of 5mm and the thickness of 0.035mm, the wrapping rate is 160 percent,

the line diameter of the central video signal line is 1.0 +/-0.05 mm.

The diameter of the outer signal wire is 0.75 +/-0.05 mm.

The second wrapping layer adopts PTFE with the width of 12mm and the thickness of 0.035mm to shield the high-temperature resistant belt, and the wrapping rate is 135 percent.

The utility model has the beneficial effects that: 1. has the medical treatment function of super-strong bacteria and germs resistance;

2. the occurrence of unsafe accidents caused by magnetic induction current of cables, medical instruments and therapeutic instruments thereof is avoided;

3. the waterproof and anti-seismic double-auxiliary function is achieved;

4. the high-frequency signal transmission device has the functions of stable high-frequency signal transmission and extremely low attenuation;

5. has the functions of prolonging the service life of the product and having super strong mechanical strength in the exercise treatment state.

Drawings

Fig. 1 is a schematic structural view of an ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation according to an embodiment of the present invention.

Detailed Description

The embodiments of the utility model will be further described with reference to the accompanying drawings in which:

as shown in fig. 1, an ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation is sequentially provided with a central video signal line, a first wrapping layer 3, a first shielding layer 4, an inner insulating layer 5, a signal line winding layer, a second wrapping layer 9, a middle insulating layer 10, a total shielding layer 11, an antibacterial silica gel sheath 12, and an antibacterial silicone coating layer 13 from inside to outside.

The central video signal wire is 1.0 +/-0.05 mm in diameter and comprises a first core conductor 1 and a first insulating layer 2 wrapping the first core conductor 1, wherein the first core conductor 1 is formed by stranding silver-plated copper foil wire conductors (0.32 width/0.027 + 4PCS + center 4 + 200D bulletproof wires), and by adopting the first core conductor 1, the high-frequency video signal wire has the advantages of high conductivity, excellent flexibility, high heat resistance, bright surface, good high-frequency transmission performance, high temperature resistance, excellent corrosion resistance and the like.

The first insulating layer 2 adopts medical grade nature color TPEE insulating material, through in 35~60mm low smoke and zero halogen insulation extruder extrusion moulding outside first core conductor 1, adopt TPEF insulating material, have super good processability and ultralong life, high strength, pliability and dynamic mechanical properties are better, have high tensile strength and excellent fatigue resistance and heat resistance, be the super ideal material under the multicycle load service condition, secondly have excellent creep resistance and low temperature resistance, splendid oil resistance and ageing resistance, good mechanical properties.

First band layer 3 adopts 5mm wide, the ETFE shielding plastic tape of thickness 0.035mm, and it adopts in the outside of 500mm vertical center taping machine operation cladding at center video signal line, and the cladding rate is 160%, and first band layer 3 can play the line body soft and prevent the insulating moist effect of video signal cable, and it receives the peripheral stress effect of pulling to dissolve the line body simultaneously. The ETFE shielding plastic tape adopted by the composite material is nontoxic, low in smoke and high in flame retardance, meets the UL 94V 0 grade, is excellent in chemical resistance, is extremely suitable for water, fuel, oil and acid-base environments, has good heat resistance, chemical resistance and electrical insulation performance, is resistant to radiation and mechanical performance, has tensile strength of 50MPa, is good in mechanical property balance degree, extremely strong in tear resistance, high in tensile strength, excellent in impact resistance, long in extension life, high in insulation strength, high in resistivity, low in dissipation factor, small in influence on physical properties of most chemical substances, and low in permeability to common gas and water vapor.

First shielding layer 4 adopts 45/0.08mm tinned copper wire, and it adopts in the outside of 305mm vertical coiler operation winding in first band layer 3, also can adopt oxygen-free copper line or silvering copper wire to twine certainly, not only can play and increase video signal anti external electromagnetic signal interference, can increase the compliance of line body simultaneously.

Interior by 5 lines of insulating layer footpath in 2.4 +/-0.05 mm, adopt TPE semiconduction thermoplastic material, it adopts in 60mm low smoke and zero halogen insulation extruder operation extrusion moulding in the outside of first shielding layer 4, has good antistatic and electrostatic dissipation's effect to effective electromagnetic wave interference resistance shielding, chemical resistance, and it is good with the semiconduction thermoplastic elastomer material compatibility of the same kind.

The signal wire winding layer comprises 9 outer signal wires and 2 silica gel hollow tubes 8, the outer signal wires are radially in 0.75 +/-0.05 mm, and the signal wire winding layer comprises a second core wire conductor 6 and a second insulating layer 7 coated outside the second core wire conductor 6.

Wherein, second heart yearn conductor 6 is formed by the transposition of silvered copper foil silk conductor (wide 0.32/thick 0.027 4PCS + center 4 200D bullet-proof silk) equally, has advantages such as high conductivity, high heat resistance, bright surface, high frequency transmission are good, high temperature resistant and corrosion resisting property are good, second insulating layer 7 adopts the medical grade to prevent that static TPEE is insulating, through 35~60mm low smoke and zero halogen insulating extruder shaping outside second heart yearn conductor 6, prevent that static TPEE insulating ability fully promotes the super soft performance of whole medical line, superstrong antidetonation and waterproof ability, have excellent creep resistance and fatigue resistance, high impact resistance and low temperature elasticity ability, good mechanical properties, chemical resistance and oil and heat resistance.

The colors of the second insulating layers 7 of the 9 external signal wires are different, and can be distinguished by adopting different colors such as black, brown, red, yellow, white, green, blue, gray, white, pink and the like.

8 external diameters of silica gel hollow tube are 0.75 0.05mm, hollow diameter 0.25mm, adopt medical grade silica gel insulating material, choose for use in 40mm silica gel insulation extruder accomplish, it can be when the cable of cardiac fibrillation is in operating condition, the sudden pulling that takes place of the correspondence patient, or the extreme distortion that appears in the emergency rescue, or the bending and torsion action that appear in the operating condition, and with the internal structure stress that produces when insulating heart yearn and its overall structure decomposition come from different directions or situation, promote the overall life and the mechanical strength of cable.

The 9 external signal wires can be respectively used for a control signal, an analog signal and a voice signal transmission function part of the cardiac fibrillation instrument, bear the multifunctional signal transmission of the cable, are arranged on the outer side of the periphery of the inner insulating layer 5 together with the silica gel hollow tube 8, and structurally can completely improve the roundness of the cable and enhance the mechanical strength.

The second wrapping band layer 9 is a PTFE shielding high-temperature resistant band with the width of 12mm and the thickness of 0.035mm, and is wrapped on the outer side of the signal wire wrapping layer by a 500mm vertical double-layer wrapping band machine, the wrapping rate is 135%, the tensile strength is larger than or equal to 10MPa, and the elongation at break is larger than or equal to 20%.

The PTFE shielding high-temperature resistant band has high stability, high flame retardance, low loss factor, small weather-resistant and heat-resistant friction coefficient, stable chemical property and good electrical insulation, can keep the dielectric strength, dielectric constant, volume resistivity and surface resistivity of a wire good, has low hygroscopicity, prevents the dielectric property of a cable from being influenced by humidity step by step, and keeps the cable low attenuation under high temperature and pressure.

The middle insulated layer 10 is 4.2 +/-0.1 mm in the line diameter, a TPE (thermoplastic elastomer) magnetic resistance material is adopted, a 60mm low-smoke halogen-free insulated extruder is selected to be molded on the outer side of the second wrapping layer 9, and the TPE magnetic resistance material has good shock absorption performance and anti-skid wear resistance; meanwhile, the paint has good ultraviolet resistance and chemical resistance, and has small compression deformation and permanent deformation; and secondly, the cable has excellent dynamic fatigue resistance, excellent ozone resistance and weather resistance, smooth and comfortable appearance, contains no water, can be directly used without baking, saves labor and energy, has good magnetic resistance, can not generate potential safety hazard because of magnetic induction current, has obviously improved wear resistance compared with a common cable, has 50 percent less thermal aging quality loss compared with the common cable, good tensile property and excellent insulating property, and completely meets the environmental protection tests of ROHS, medical FDA and the like.

Total shielding layer 11 adopts 132/0.1mm tinned wire, and the shielding rate is 95% or above, and it adopts in the outside by insulating layer 10 in the vertical coiler operation winding of 405mm, also can adopt oxygen-free copper line or silver-plated copper line to twine certainly, can increase video signal and control signal to anti external electromagnetic signal interference ability, increases the flexibility and the mechanical strength of cable simultaneously.

The antibacterial silica gel sheath 12 is made of ultra-soft anti-seismic waterproof antibacterial 65Shore A and medical silica gel with the temperature resistance level of 150 ℃, and is formed and coated on the outer side of the total shielding layer 11 by a special silica rubber extruder for a sheath of 80mm in length, so that the antibacterial silica gel sheath has the advantages of ozone resistance, ultraviolet irradiation resistance, high and low temperature resistance, pulling resistance, super-energy anti-seismic property and good antibacterial effect; the high-tensile-strength high-tear-strength rubber has high tensile strength and high tear strength (up to 35-45 KN/m), is excellent in comprehensive performance, good in mechanical strength and excellent in electrical performance, and meets ROHS10 item and REACH environmental protection performance detection.

The antibacterial silicone coating layer 13 is made of a liquid silicone material, when printing of the sheath is completed and vulcanization is completed fully, the cable is quickly sprayed by a silicone spraying device at 360 degrees without dead angles, the ratio of the liquid silicone to water is =1:100, and the cable sheath is quickly dried by a wind wiper at the tail end of the spraying device after coming out of the drawing machine. The antibacterial silicone coating layer 13 can ensure that the surface of the cable is smooth and is not stained with dust, the hand feeling is smooth, and the appearance is beautiful; meanwhile, the cable is highly environment-friendly and antibacterial, resistant to high and low temperatures, acid and alkali, resistant to high aging, better in waterproof and wear-resistant effects, and capable of increasing multiple effects of static electricity resistance and corona release resistance of the cable.

In the ultra-soft, ultra-strong, anti-seismic, waterproof and antibacterial medical cable for cardiac fibrillation, a central video signal line, a first wrapping tape layer 3, a first shielding layer 4 and an inner insulating layer 5 belong to a video transmission function part of a cardiac fibrillation instrument, and simultaneously bear an ultra-strong tensile stress decomposition part in the center of the whole cable structure, and the whole cable structure is an inner quilt structure; the signal wire winding layer, the second wrapping band layer 9 and the middle insulation layer 10 belong to a control signal, analog signal and voice signal transmission function part of a cardiac fibrillation instrument, are distributed around a central video signal structure to bear multifunctional signal transmission of a cable, and then structurally and completely improve the roundness of the cable and enhance the mechanical strength; a quilt structure as a whole; the total shielding layer 11, the antibacterial silica gel sheath 12 and the antibacterial silicone coating layer 13 are a mechanical protection part of the sheath of the cable and a part for resisting external electromagnetic wave interference, so that the cable is more round and more smooth, the surface of the cable is attractive and smooth, and the cable is suitable for corrosion and biological compatibility of various biological toxicity, chemical solvents and various organic solutions; the overall outer cover structure.

The working principle of the ultra-soft, ultra-strong, anti-seismic, waterproof and antibacterial cardiac fibrillation medical cable is as follows:

1. the principle of material compatibility: the integral design utilizes the theory of material compatibility, the selected molecular structures of the materials are combined pairwise without interference, the combination property of the fusibility and the self-absorption molecular structure is good, the fusibility and the self-absorption molecular structure are complementary, the mechanical strength is enhanced after fusion, the molecular combination is tighter, and the mutual optimization and enhancement of multifunctional properties are achieved;

2. the material resists magnetism and EMI and the antibacterial principle: the magnetic resistance can avoid the potential safety hazard caused by magnetic induction current, the wear resistance is obviously improved, the thermal aging quality loss is less, and the tensile property and the insulating property are more excellent; and utilizes inorganic metal ion antimicrobial agents to enhance the overall cable's ability to resist bacteria and viruses.

3. The decomposition principle of motion mechanics: the stress dispersion and mutual interference of the materials in the motion state are utilized, the mechanical strength and the mechanical property of the whole cable and the anti-sudden-pulling capacity in the sudden motion state are optimized, the dual functions of insulation, a quilt and a sheath are utilized to enhance the multi-functional performance level of attractiveness, smoothness, antibiosis, weather resistance, water resistance and earthquake resistance of the electric wire, and the whole structure design is absolutely matched.

The super-soft, super-strong, anti-seismic, waterproof and antibacterial medical cable for cardiac fibrillation has the following beneficial effects:

1. has the medical treatment function of super-strong bacteria and germs resistance;

2. the occurrence of unsafe accidents caused by magnetic induction current of cables, medical instruments and therapeutic instruments thereof is avoided;

3. the waterproof and anti-seismic double-auxiliary function is achieved;

4. the high-frequency signal transmission device has the functions of stable high-frequency signal transmission and extremely low attenuation;

5. has the functions of prolonging the service life of the product and having super strong mechanical strength in the exercise treatment state.

The super-soft, super-strong, anti-seismic, waterproof and antibacterial cardiac fibrillation medical cable is mainly applied to cardiac equipment such as cardiac pacemakers, implantable cardioverter defibrillators ICDs, bidirectional wave defibrillators, automatic external defibrillators, cardiac defibrillation monitors and the like, medical emergency cardiac defibrillators and the like, and is connected with medical equipment to transmit video electrocardiograms, electroencephalograms and the like clear figures and simultaneously transmit heart rate control signals, analog signals and digital signals.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims (7)

1. The utility model provides an ultra-soft superstrong antidetonation waterproof antibacterial cardiac fibrillation medical cable which characterized in that: comprises that

The center video signal wire comprises a first core conductor (1) and a first insulating layer (2), wherein the first core conductor (1) is formed by stranding silver-plated copper foil wire conductors, and the first insulating layer (2) is formed on the outer side of the first core conductor (1) in an extrusion molding mode by adopting a TPEE insulating material;

a first wrapping layer (3) which adopts ETFE shielding plastic tape and wraps the outer side of the video signal line;

a first shielding layer (4) which is wound outside the first wrapping layer by adopting a copper wire,

the inner insulating layer (5) is made of TPE (thermoplastic elastomer) semiconductive thermoplastic materials and covers the outer side of the first shielding layer;

the signal wire winding layer comprises 9 external signal wires which are arranged on the outer side of the middle insulated layer side by side, each external signal wire comprises a second core wire conductor (6) and a second insulated layer (7), the second core wire conductor (6) is formed by stranding silver-plated copper foil wire conductors, and the second insulated layer (7) is formed on the outer side of the second core wire conductor (6) in an extrusion molding mode by adopting TPEE (thermoplastic elastomer) insulating material

A second wrapping layer (9) which is a PTFE shielding high temperature resistant belt and wraps the outside of the signal wire winding layer;

the middle insulating layer (10) adopts TPE (thermoplastic elastomer) magnetic resistance materials and is coated on the outer side of the second wrapping layer (9);

a total shielding layer (11) which is wound on the outer side of the middle insulating layer (10) by adopting a copper wire,

the antibacterial silica gel sheath (12) is sleeved outside the total shielding layer (11);

and the antibacterial silicone coating layer (13) is coated on the outer surface of the antibacterial silica gel sheath (12).

2. The ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation according to claim 1, wherein: the signal wire winding layer further comprises 2 silica gel hollow tubes (8), and 9 external signal wires and the 2 silica gel hollow tubes (8) are arranged on the outer side of the periphery of the inner insulating layer (5) together.

3. The ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation according to claim 2, wherein: the outer diameter of the silica gel hollow tube (8) is 0.75 +/-0.05 mm, and the hollow diameter is 0.25 mm.

4. The ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation according to claim 1, wherein: the first wrapping layer (3) is an ETFE shielding plastic belt with the width of 5mm and the thickness of 0.035mm, and the wrapping rate is 160%.

5. The ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation according to claim 1, wherein: the line diameter of the central video signal line is 1.0 +/-0.05 mm.

6. The ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation according to claim 1, wherein: the diameter of the outer signal wire is 0.75 +/-0.05 mm.

7. The ultra-flexible, ultra-strong, shock-resistant, waterproof, and antibacterial medical cable for cardiac fibrillation according to claim 1, wherein: the second wrapping layer (9) adopts a PTFE shielding high-temperature resistant belt with the width of 12mm and the thickness of 0.035mm, and the wrapping rate is 135%.

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