Separable electric knife minimally invasive surgery cable

Abstract

The utility model discloses a separable electric knife minimally invasive surgery cable, which comprises an outer sheath, a flat wire core group arranged in the outer sheath, a power-on wire core and a host connection signal optical fiber, the power-on wire core and the host connection signal optical fiber are positioned in a space between the flat wire core group and the outer sheath, and the flat wire core group comprises a plurality of groups of flat wire cores which are sequentially stacked. And each group of flat wire cores comprises a flat inner sheath, and an electrotome connecting coaxial wire core, a signal transmission wire core and a power supply connecting wire core which are arranged in the flat inner sheath. The cable is clear in structure, compact in wiring, capable of being provided with low-frequency and high-frequency electrotomes and capable of being matched with a separator after being connected with a main machine to achieve the integrated separation effect, and the whole structure is low in production cost, free of filling and easy to produce.

Description

Technical Field

[0001] The utility model belongs to the technical field of cables, and particularly relates to a detachable electric knife minimally invasive surgery cable. Background Art

[0002] The electrosurgical unit is an electrosurgical device that replaces mechanical scalpels for tissue cutting. It heats the tissue when the current generated by the effective electrode tip contacts the body, separates and coagulates the body tissue, and thus achieves the purpose of cutting and hemostasis. The electrosurgical cable is used to transmit current and signals to the electrosurgical unit. The current electrosurgical cable can only connect one set of electrosurgical units and has a single function. When multiple sets of electrosurgical units are required for surgery, many cables are used, which makes cable management at the surgical site inconvenient. In addition, the existing electrosurgical cable generally needs to be filled with filling paste, filling rope, etc. to fill the gaps in the cable, which will increase the production cost and size of the cable. Utility Model Content

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a detachable electrosurgical cable for minimally invasive surgery; the cable has a clear structure and tight wiring, can be equipped with low-frequency and high-frequency electrosurgical knives, and can achieve an integrated separation effect by cooperating with a separator after being connected to the host. The entire structure has a low production cost, does not require filling, and is easy to produce.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A detachable electrosurgical minimally invasive surgery cable comprises an outer sheath, a flat wire core group arranged in the outer sheath, and a live wire core and a host connection signal optical fiber located in the space between the flat wire core group and the outer sheath. The flat wire core group comprises a plurality of groups of flat wire cores stacked in sequence, and each group of flat wire cores comprises a flat inner sheath and an electrosurgical connection coaxial wire core, a signal transmission wire core and a power connection wire core arranged in the flat inner sheath.

[0006] Furthermore, the flat wire core includes two groups of large-sized flat wire cores and two groups of small-sized flat wire cores, wherein the two groups of small-sized flat wire cores are horizontally arranged side by side in the middle of the inner cavity of the outer sheath, and the other two groups of large-sized flat wire cores are arranged at the upper and lower sides of the two groups of small-sized flat wire cores.

[0007] Furthermore, the host connection signal optical fiber includes a fiber core, a tight sleeve layer and an optical fiber sheath layer which are sequentially arranged from the inside to the outside.

[0008] Furthermore, the electrosurgery connection coaxial core includes a coaxial electrosurgery connection conductor, an electrosurgery connection insulation layer, an electrosurgery connection oblique cladding layer and an electrosurgery connection inner sheath.

[0009] Furthermore, the signal transmission core includes a signal transmission insulating single wire, a first PTFE tape, a signal transmission oblique sheath and a second PTFE tape.

[0010] Beneficial effects of the utility model:

[0011] The cable adopts a structure in which multiple groups of flat wire cores are stacked. It has a clear structure and tight wiring. It can be equipped with low-frequency and high-frequency electric knives. After being connected to the main unit, it can be used in conjunction with a separator to achieve an integrated separation effect, greatly improving the convenience of use.

[0012] The utility model adopts two groups of small-sized flat wire cores to be laid flat in the middle of the cable, and then two groups of large-sized flat wire cores are arranged on the upper and lower sides thereof, and finally the power core and the host connection signal optical fiber are arranged in the remaining upper and lower spaces. The whole structure has clear layers, and can be equipped with multiple groups of electric knives to facilitate the on-site management of the cable, while no filling is required, which reduces the production cost and facilitates production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the detachable electrosurgical minimally invasive surgery cable of the utility model.

[0014] In the figure, 1: outer sheath; 2: wire core; 3: host connected signal optical fiber, 31: fiber core, 32: tight jacket layer, 33: optical fiber sheath layer; 4: flat wire core, 41: flat inner sheath, 42: coaxial core connected to the electric knife, 421: conductor connected to the electric knife, 422: insulating layer connected to the electric knife, 423: oblique cladding connected to the electric knife, 424: inner sheath connected to the electric knife; 43: signal transmission wire core, 431: signal transmission insulating single wire, 432: first PTFE tape, 433: signal transmission oblique cladding, 434: second PTFE tape; 44: power supply connection wire core. DETAILED DESCRIPTION

[0015] The technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0016] like Figure 1A preferred embodiment of a detachable electrosurgical minimally invasive surgical cable is shown, which includes an outer sheath 1, a flat wire core group arranged in the outer sheath 1, and a live wire core 2 and a host connection signal optical fiber 3 located in the space between the flat wire core group and the outer sheath. The flat wire core group includes a plurality of groups of flat wire cores 4 stacked in sequence, and each group of flat wire cores 4 includes a flat inner sheath 41 and an electrosurgical knife connection coaxial wire core 42, a signal transmission wire core 43 and a power connection wire core 44 arranged in the flat inner sheath 41.

[0017] The flat wire core 4 includes two groups of large-sized flat wire cores and two groups of small-sized flat wire cores, wherein the two groups of small-sized flat wire cores are horizontally arranged side by side in the middle of the inner cavity of the outer sheath, and the other two groups of large-sized flat wire cores are arranged at the upper and lower sides of the two groups of small-sized flat wire cores.

[0018] Specifically, the host connection signal optical fiber 3 includes a fiber core 31, a tight jacket layer 32 and an optical fiber sheath layer 33 which are sequentially arranged from the inside to the outside.

[0019] The electrosurgery connecting coaxial core 42 comprises a coaxial electrosurgery connecting conductor 421 , an electrosurgery connecting insulating layer 422 , an electrosurgery connecting oblique cladding 423 and an electrosurgery connecting inner sheath 424 , and can be connected to a high-frequency electrosurgery.

[0020] The signal transmission core 43 includes a signal transmission insulating single wire 431, a first PTFE tape 432, a signal transmission oblique cladding 433 and a second PTFE tape 434 arranged from the inside to the outside, and can be connected to a low-frequency electric knife.

[0021] The outer insulation layer of the conductor in each wire core of the utility model is made of high-strength Teflon material; the outer sheath, the flat inner sheath and the inner sheath connected to the electric knife are all made of medical-grade TPU elastomer, which has both excellent biocompatibility and outstanding flexibility, greatly improving the bending and abrasion resistance of the cable during use.

[0022] The cable adopts a structure in which multiple groups of flat wire cores are stacked. It has a clear structure and tight wiring. It can be equipped with low-frequency and high-frequency electric knives. After being connected to the host, it can be cooperated with the separator to achieve an integrated separation effect, which greatly improves the use effect.

[0023] The utility model adopts two groups of small-sized flat wire cores 4 laid flat in the middle of the cable, and then arranges two groups of large-sized flat wire cores 4 on the upper and lower sides thereof, and finally arranges the power supply core 2 and the host connection signal optical fiber 3 in the remaining upper and lower spaces. The whole structure has clear layers, and can be equipped with multiple groups of electric knives to facilitate the on-site management of the cable without the need for filling, thereby reducing the production cost and facilitating production.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description 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 may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A detachable electrosurgical minimally invasive surgery cable, characterized in that: It includes an outer sheath, a flat wire core group arranged in the outer sheath, and a live wire core and a host connection signal optical fiber located in the space between the flat wire core group and the outer sheath. The flat wire core group includes multiple groups of flat wire cores stacked in sequence, and each group of flat wire cores includes a flat inner sheath and an electric knife connection coaxial wire core, a signal transmission wire core and a power connection wire core arranged in the flat inner sheath.

2. The detachable electrosurgical minimally invasive surgery cable according to claim 1, characterized in that: The flat wire core group includes two groups of large-sized flat wire cores and two groups of small-sized flat wire cores, wherein the two groups of small-sized flat wire cores are horizontally arranged side by side in the middle of the inner cavity of the outer sheath, and the other two groups of large-sized flat wire cores are arranged at the upper and lower sides of the two groups of small-sized flat wire cores.

3. The detachable electrosurgical minimally invasive surgery cable according to claim 1, characterized in that: The host connection signal optical fiber comprises a fiber core, a tight jacket layer and an optical fiber sheath layer which are arranged in sequence from the inside to the outside.

4. The detachable electrosurgical minimally invasive surgery cable according to claim 1, characterized in that: The electrosurgery connection coaxial core comprises a coaxial electrosurgery connection conductor, an electrosurgery connection insulating layer, an electrosurgery connection oblique cladding layer and an electrosurgery connection inner sheath.

5. The detachable electrosurgical minimally invasive surgery cable according to claim 1, characterized in that: The signal transmission wire core comprises a signal transmission insulating single wire, a first PTFE tape, a signal transmission oblique sheath and a second PTFE tape.

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