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Disposal devices and medical systems
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A technology for treatment instruments and treatment parts, which is applied to heating surgical instruments, operations, etc., and can solve the problems of reduced operability, reduced operability, and difficulty in moving or rotating in the forward and backward directions of high-frequency incision forceps.
Inactive Publication Date: 2018-01-30
OLYMPUS CORP
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[0006] However, according to the structure disclosed in U.S. Patent No. 7,824,407, a problem arises: the operability of the high-frequency incision forceps is caused by the connection of the cables for supplying the power required for operations such as treatment to the high-frequency incision forceps. reduce
[0007] In addition, according to the structures disclosed in U.S. Patent No. 6,187,002 and U.S. Patent No. 6,206,875, the following problem arises: since the power transmitting electrode is pressed against the power receiving electrode of the surgical instrument by a biasing mechanism such as a spring, the operation of the surgical instrument Slidability decreases, movement or rotation in the forward and backward directions becomes difficult, and operability decreases
Method used
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no. 1 Embodiment
[0040] Figure 1 to Figure 19 It relates to the first embodiment of the present invention. figure 1 It is a figure which shows the structure of the main part of the medical system of a 1st Example. figure 2 It is a schematic sectional view of the endoscope of the medical system of the first embodiment.
[0041] Such as figure 1 As shown, the medical system 1 includes, for example, a flexible endoscope (hereinafter simply referred to as an endoscope) 10, a treatment instrument 20 as a device inserted through a cylindrical channel 14, a power supply unit 30, and a counter plate 40. , wherein the cylindrical channel 14 is provided in the endoscope 10 .
[0042] The endoscope 10 is configured to include a cylindrical insertion portion 11 , an operation portion 12 disposed on the proximal end side of the insertion portion 11 , and a universal cable 13 extending from the operation portion 12 .
[0043] Such as figure 1 and figure 2 As shown, the insertion part 11 is configur...
no. 2 Embodiment
[0087] Figure 20 to Figure 26 It relates to the second embodiment of the present invention.
[0088] In addition, in the present embodiment, detailed descriptions of portions having the same configuration and the like as those of the first embodiment are omitted, and descriptions are mainly made of portions having configurations and the like different from those of the first embodiment.
[0089] Figure 20 It is a figure which shows the structure of the main part of the medical system of 2nd Example. Figure 21 It is a schematic sectional view of the endoscope of the medical system of the second embodiment.
[0090] Such as Figure 20 As shown, the medical system 1A includes, for example, a flexible endoscope (hereinafter simply referred to as an endoscope) 10A, a treatment instrument 20A as a device inserted through a channel 14 of the endoscope 10A, and a power supply unit 30 .
[0091] Such as Figure 21 As shown, the endoscope 10A is configured to include a power tra...
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Abstract
This surgical instrument comprises: a cylindrical insertion part that is inserted inside a channel of an endoscope; a surgical part that is disposed at the tip of the insertion part and is used to perform surgery by means of high-frequency power supplied by a power source device; a power-receiving electrode that is disposed along the outer peripheral surface of the insertion part, and, when the insertion part is inserted in the channel to the point where the surgical part protrudes from an opening, forms a capacitor due to being capacitively coupled with a transmission electrode, which generates an AC electric field by means of the high-frequency power supplied by the power source device on the outer peripheral surface of the channel; and a position regulating part that regulates the radial position of the insertion part inside the channel in such a manner that the amount of eccentricity corresponding to the distance between the center axis of the channel in the longitudinal direction and the center axis of the insertion part in the longitudinal direction at the position where the power-receiving electrode is disposed is below a certain value.
Description
technical field [0001] The present invention relates to a treatment instrument and a medical system, and more particularly, to a treatment instrument that is inserted through a channel of an endoscope and performs treatment with wirelessly supplied electric power, and a medical system including the treatment instrument. Background technique [0002] In the medical field, instruments, devices, and the like for applying high-frequency current to living tissue for treatment have conventionally been used. [0003] Specifically, for example, U.S. Patent No. 7,824,407 discloses a high-frequency incision forceps configured to be inserted into a body cavity while being inserted into a channel of an endoscope, and insert into living tissue Apply high frequency current for treatment. [0004] On the other hand, among various instruments and devices used in the medical field, various devices and devices having structures corresponding to wireless power feeding have been proposed in re...
Claims
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Application Information
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