CN114864153A

CN114864153A - Long-life ultrasonic electrotome wire

Info

Publication number: CN114864153A
Application number: CN202210405696.0A
Authority: CN
Inventors: 蒲应春; 廖正勇; 张桔秋; 陈发心; 罗兰; 粟佐林; 陈英国
Original assignee: Shenzhen Baohing Electric Wire&cable Manufacture Co ltd
Current assignee: Shenzhen Baoxin Wire And Cable Manufacturing Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-05

Abstract

The embodiment of the application provides a long-life ultrasonic electrotome wire, which comprises a wire group consisting of coaxial signal wires, power supply wires and tensile filling wires, wherein the coaxial signal wires, the power supply wires and the tensile filling wires are mutually twisted; the outer layer of the wire group is wrapped with a wrapping tape; a sheath is coated outside the wrapping band; the power supply line is a multi-core wire with independent core, wherein at least two core are provided; or; the power supply line consists of at least two independent core wires. Compromise signal transmission, electric power electric energy transmission and functional use, guaranteed the structural firmness of wire rod, had the aesthetic property again to and coaxial signal line connection is at video camera, guarantees the internal operation cutting of transmission that the camera can be accurate clear and sews up the tissue image of part, and the power supply line provides the sufficient volume and stable electric energy for electrotome equipment, makes the normal effectual work of electrotome.

Description

Long-life ultrasonic electrotome wire

Technical Field

The application relates to the technical field of medical cables, in particular to a long-service-life ultrasonic electrotome wire.

Background

Medical equipment is a basic condition for continuously improving the technical level of medical science, and is also an important mark of the degree of modernization, and the medical equipment becomes an important field of modern medical treatment. The development of medical treatment depends to a great extent on the development of instruments, and even in the development of the medical industry, the breakthrough of bottlenecks plays a decisive role, wherein the ultrasonic electric knife wire is used as a medical equipment cable.

The ultrasonic electrotome wire is a wire for high-frequency electrotome surgical equipment, is mainly used for cutting biological tissues and connecting an ultrasonic electrotome in vascular closure surgery, and provides video signal communication and electrotome power supply for the ultrasonic electrotome.

However, in the existing ultrasonic knife wire, because the cable in the wire is only coated in the sheath, on one hand, the structure is not stable enough, the tensile force borne by the cable is limited, and the tensile strength and the anti-aging capability are poor; on the other hand, its signal line has no shielding function, so that the signal is susceptible to external electromagnetic signal interference and signal interference from the power supply line.

Disclosure of Invention

In view of the problems described, the present application has been developed to provide a long-life ultrasonic blade line that overcomes or at least partially solves the problems described above, including:

a long life ultrasonic wire comprising: the wire group consists of coaxial signal wires, power supply wires and tensile filling wires which are mutually twisted;

a wrapping belt is wrapped on the outer layer of the wire group; the wrapping belt is wrapped with a sheath;

the power supply line is a multi-core wire with independent core, wherein at least two core are provided;

or;

the power supply line consists of at least two independent core wires.

Further, the method also comprises the following steps: an outer shield layer;

the outer shielding layer is wrapped in the wrapping tape and wrapped on the outer layers of the coaxial signal wire, the power supply wire and the tensile filling wire.

Further, the sheath is made of a silicone elastomer.

Further, the wrapping tape comprises a polytetrafluoroethylene foaming tape.

Further, the outer shielding layer is a metal wire with a braided structure.

Furthermore, the coaxial signal line comprises a central conductor line and a metal shielding layer;

a first insulating layer is arranged between the central conductor wire and the metal shielding layer; and a second insulating layer is coated outside the metal shielding layer.

Furthermore, the number of the tensile filling lines is two, and the two tensile filling lines have different line diameters.

Furthermore, the two tensile filling lines are of a two-layer structure, the central yarn of the two tensile filling lines is high-strength tensile aramid fiber yarn, and the outer part of the two tensile filling lines is coated with extruded insulating material

Furthermore, the hardness of the sheath is Shore 30-70A.

Further, two tensile filling threads are arranged, wherein the tensile filling thread 3 with a thin thread diameter is positioned at the center of the thread group.

The application has the following advantages:

in the embodiment of the present application, a wire group composed of coaxial signal wires, power supply wires, and tensile filler wires, which are twisted with each other; a wrapping belt is wrapped on the outer layer of the wire group; the wrapping belt is wrapped with a sheath; the power supply line is at least a double-core wire, and the wire cores of the power supply line are independently arranged; or the number of the power supply lines is at least two. Compromise signal transmission, electric power electric energy transmission and functional use, guaranteed the structural firmness of wire rod, had the aesthetic property again to and coaxial signal line connection is at video camera, guarantees the internal operation cutting of transmission that the camera can be accurate clear and sews up the tissue image of part, and the power supply line provides the sufficient volume and stable electric energy for electrotome equipment, makes the normal effectual work of electrotome.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a long-life ultrasonic knife line according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a long-life ultrasonic knife line according to an embodiment of the present application.

In the figure, 1, coaxial signal line; 2. a power supply line; 3. a tensile filler wire; 4. an outer shield layer; 5. wrapping belts; 6. a sheath; 11. a central conductor line; 12. a metal shielding layer; 13. a first insulating layer; 14. a second insulating layer; 21. a first conductive line; 22. a second conductive line; 33. large-wire-diameter fiber filaments; 34. and (4) small-wire-diameter fiber filaments.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, a high lifetime ultrasonic knife line provided by an embodiment of the present application is shown, including: a wire group composed of coaxial signal wires 1, the power supply wires 2, and tensile filler wires 3, which are twisted with each other; the outer layer of the wire group is wrapped with a wrapping tape 5; the wrapping tape 5 is wrapped with a sheath 6; the power supply line 2 is a multi-core wire with independent cores, wherein the number of the cores is at least two; or; the power supply line consists of at least two independent core wires. The wire rod has the advantages that signal transmission, electric power and electric energy transmission and functional use are considered, structural firmness of the wire rod is guaranteed, and attractiveness is achieved.

In the embodiment, through the long-life ultrasonic knife wire, the tensile filling wire 3 is arranged on the coaxial signal wire 1 and the power supply wire 2, so that the roundness of a stranded cable and the attractiveness of a finished product after the finished product are ensured; the coaxial signal line 1 is connected to a video camera, so that the camera can accurately and clearly transmit tissue images of a surgical cutting suture part in a transmission body, and the power supply line 2 provides enough and stable electric energy for electrotome equipment, so that the electrotome can normally and effectively work.

Next, a high lifetime ultrasonic blade line in the present exemplary embodiment will be further described.

In an embodiment of the present application, the method further includes: an outer shield layer 4; the outer shield layer 4 is covered in the tape 5, and the outer shield layer 4 is covered in the outer layers of the coaxial signal line 1, the power supply line 2, and the tensile filler line 4, wherein the outer shield layer 4 is a metal wire having a braided structure.

In the above embodiment, the outer shielding layer 4 is formed by weaving a plurality of metal wires to cover the peripheries of the coaxial signal line 1, the power supply line 2, the tensile filler line 3 and the belting layer 5, so as to enhance the signal transmission stability of the coaxial signal line 1 and improve the external EMI (electromagnetic interference) resistance, and on the other hand, the tensile strength of the outer shielding layer 4 can be improved by weaving.

In an embodiment of the present application, the sheath 6 is made of a silicone elastomer; further, the hardness of the sheath 6 is Shore 30-70A.

In the above embodiment, the sheath 6 is made of a silicone elastomer material, and the hardness is preferably Shore50A in this application, so that the long-life ultrasonic knife wire has good flexibility, anti-winding performance and chemical reagent sterilization resistance, can be bent at will, and is comfortable to use and easy to clean.

Note that Shore50A is Shore hardness, which is one standard of material hardness.

In an embodiment of the present application, the wrapping tape 5 includes a teflon foam tape.

In the above embodiment, the tape 5 is a teflon tape or any other tape for cables, and the tape is placed in the sheath 6. Wherein, the polytetrafluoroethylene foam tape is a high molecular polymer foam tape prepared by polymerizing tetrafluoroethylene as a monomer; the bag belt 5 made of the material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents. The material of the wrapping tape 5 can be Fluorinated Ethylene Propylene (FEP) or F46 resin.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the coaxial signal line 1 includes a central conductor line 11 and a metal shielding layer 12; a first insulating layer 13 is provided between the central conductor line 11 and the metal shielding layer 12; as shown in fig. 2, the metal shielding layer 12 is covered with a second insulating layer 14.

In the above embodiment, the first insulating layer 13 separates the central conductor line 11 from the metal shield layer 12 to form a protective layer on the outside of the central conductor line 11, and the second insulating layer 14, which is also coated on the outside of the metal shield layer 12, forms a protective layer on the outside of the coaxial signal line 1.

In one embodiment of the present invention, the number of the tensile filling yarns 3 is two, and the diameters of the two tensile filling yarns 3 are different.

In the above embodiment, the tensile filler wire 3 is disposed at the center of the coaxial signal wire 1, the power supply wire 2 and the other tensile filler wire 3, so as to ensure the roundness of the stranded cable and the beauty of the finished product.

In an embodiment of the present application, the two tensile filling wires 3 are of a two-layer structure, the central filament of the two tensile filling wires is a high-strength tensile aramid filament, and the outer portion of the two tensile filling wires is coated with an extruded insulating material.

As an example, two of the tensile filler wires 3 are provided, wherein the tensile filler wire 3 having a small wire diameter is located at the center of the wire group. Specifically, the tensile filling wire 3 is arranged as a bundle of large-wire-diameter fiber yarns 33 and a bundle of small-wire-diameter fiber yarns 34; in the present application, the fineness of the large-diameter filament 33 is preferably 1000D, the fineness of the small-diameter filament 34 is preferably 200D, the center filler of the tensile filler wire 3 is preferably para-aramid, which is invented by dupont, a high performance filament (KEVLAR), and the filament has high tensile strength and high temperature resistance, and can increase the overall tensile strength of the long-life ultrasonic wire.

In the embodiment of the present invention, the feeder line 2 is preferably two conductor lines, and for example, a feeder circuit is formed by using the first lead wire 21 as a feeder line and the second lead wire 22 as a ground line.

The beneficial effect of this application still includes: the central conductors of the coaxial signal wire 1 and the power wire (power supply wire 2) are all mixed and stranded by using copper alloy and tensile fibers, so that the service life of the whole bent and swayed electric wire is ensured.

The coaxial signal wires 1, the power supply wires 2 and the filling wires are arranged and twisted into a cable according to a symmetrical cable structure, meanwhile, the filling wire with a proper outer diameter is filled in the center of the cable core assembly, the overall tensile resistance of the electric wire in use and the compactness of the cable core assembly can be increased, the mechanical service life of the cable is prolonged, and the cable with a symmetrical structure can ensure the round and attractive appearance of a finished product.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The above detailed description is made on the ultrasonic knife wire with long service life provided by the present application, and a specific example is applied in the description to explain the principle and the implementation manner of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A long-life ultrasonic electrotome wire, comprising: the wire group consists of coaxial signal wires, power supply wires and tensile filling wires which are mutually twisted;

the power supply line is a multi-wire core wire with independent wire cores, wherein the wire cores comprise at least two wire cores;

or;

the power supply line consists of at least two independent core wires.

2. The long life ultrasonic blade line of claim 1, further comprising: an outer shield layer;

the outer shielding layer is wrapped in the wrapping band and wrapped on the outer layers of the coaxial signal wire, the power supply wire and the tensile filling wire.

3. The long life ultrasonic blade line of claim 1, wherein the jacket is formed of a silicone elastomer.

4. The long life ultrasonic knife line of claim 1, wherein the tape comprises polytetrafluoroethylene foam tape.

5. The long life ultrasonic blade wire of claim 2, wherein the outer shield layer is a metal wire of braided construction.

6. The ultrasonic blade line of claim 1, wherein the coaxial signal line comprises a center conductor line and a metal shield;

7. The ultrasonic blade wire with a long service life according to claim 1, wherein the number of the tensile filler wires is two, and the wire diameters of the two tensile filler wires are different.

8. The ultrasonic electrotome wire with a long service life according to claim 7, wherein the two tensile filler wires are of a two-layer structure, the central wire of which is a high-strength tensile aramid wire and the outer portion of which is coated with an extruded insulating material.

9. The long-life ultrasonic wire according to claim 1 or 3, wherein the hardness of the sheath is Shore 30-70A.

10. The ultrasonic high life cutter wire of claim 7 wherein there are two of said tensile filler wires, wherein said tensile filler wire having a smaller wire diameter is located at the center of said wire group.