JPH0558141B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an output check connection cord for checking the output of a high frequency ablation power supply device.

[Prior art] A treatment tool such as a high-frequency knife or a hemostatic device is connected to a high-frequency ablation power supply device, and the treatment tool is guided endoscopically into a patient's body cavity to remove the affected area or prevent bleeding from the affected area. It is known that various treatments can be performed using high frequencies, such as stopping the

When performing treatment using a high-frequency ablation power supply like this, it is necessary to check whether the treatment instruments connected to it are outputting normal output, and for this purpose a connection cord for output checking is used. It is being Conventionally, such a connection cord has one end that can be connected to the output check jack of the high-frequency ablation power supply device, and an IC clip on the other end of the connection cord that can be used to grip the tip of the treatment instrument with this IC clip. , it was designed to check whether the treatment instrument had a normal output.

[Problems to be solved by the invention] However, when the tip of the treatment instrument is gripped with the IC clip, the width of the IC clip is 2
Since the structure is made by bending a phosphor bronze plate about mm in size into a key shape, there is a risk of damaging the treatment instrument with the sharp key-shaped part, and if the treatment instrument is a hemostatic device with a round tip, it will not be safe. There were problems such as not being able to hold it.

The present invention provides a connection cord for checking the output of a high-frequency ablation power supply device, which can grip the tip of a treatment instrument without damaging it, and can also securely grip even if the gripping part is round or other shape. The purpose is to provide.

[Means and effects for solving the problems] The connection cord of the present invention is capable of protruding from the front end surface of the plug 10 for connecting to the front end of the treatment instrument 39, and connects the treatment tool with the front end surface. A clamping body 23 that can elastically clamp the tip of 39
will be established. The clamping body 23 is made to elastically protrude from the distal end surface of the plug 10, and the distal end of the treatment instrument 39 is clamped therebetween.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. The high frequency ablation power supply device shown in FIG. 3 includes a main body 1. As shown in FIG. Inside this main body 1 is a high frequency power supply 2.
is provided. This high frequency power source 2 is connected to an output jack 3 and a patient terminal 4 provided on the main body 1, and is also provided with an output check jack 7 via a load 5 and a current detector 6. . An output check connection cord 8 is connected to the output jack 3 and the output check jack 7. This connection code 8 is the cable 9
and a first plug 10 connected to one end of this cable 9 and a second plug 1 connected to the other end.
Consists of 1. The first plug 10 is connected to the output jack 3, and the second plug 11 is connected to the output check jack 7. This output check jack 7 is provided with a detection switch 12, and when the second plug 11 is connected here, the switch 12 detects this. The detection signal of this switch 12 is input to the output detector 13,
This output detector 13 is switched to check mode. The output detector 13 also includes the current detector 6.
is connected. Then, when the output detector 13 switches to the check mode, the output of the high frequency power supply 2 detected by the current detector 6 is displayed on the display 14 connected to the output detector 13. There is. That is, by connecting the plugs 10 and 11 of the connection cord 8 to the jacks 3 and 7, respectively, the output can be measured by the high-frequency ablation power supply device alone.

The first plug 10 is constructed as shown in FIG. That is, the first plug 10 has a cylindrical body 16 consisting of a large diameter portion 14 and a small diameter portion 15. A slider 17 is provided in the large diameter portion 14 of this cylindrical body 16.
The slider is inserted freely. A guide groove 18a is formed on the outer peripheral surface of the slider 17, and a guide pin 18 provided on the peripheral wall of the large diameter portion 14 is engaged with the guide groove 18a. Therefore, slider 17
The sliding range is regulated by the guide pin 18, and it is prevented from being pulled out from the large diameter portion 14. A piece 20 is attached to the inner end surface of the slider 17 with a conductive plate 19 interposed therebetween by a screw 21. Further, the slider 17 is provided with a through hole 22 through which one end of the cable 9 is inserted, and the cable 9 is connected to the conductive plate 19. One end portion of a holding body 23 made of wire is attached to the end face of the piece 20. This clamping body 23 is inserted through a hollow shaft 24 screwed onto the inner circumferential surface of the small diameter portion 15 . A small-diameter tip 25 of the hollow shaft 24 projects from the small-diameter portion 15 of the cylindrical body 16 . This distal end portion 25 has a notch 2 that communicates with the internal space of the proximal end portion 26 of the hollow shaft 24.
7 is formed, and the holding body 23 is passed through this notch 27. The other end of the holding body 23 is bent into a loop shape and faces the front end surface of the front end portion 25 of the hollow shaft 24 . Further, an outer tube 28 is fitted to this tip 25, and a flange 28 is formed at one end of the outer tube 28.
It is fixed to the cylindrical body 16 via 8a. The peripheral wall of this outer tube 28 has a slit 2 along the axial direction.
9 is formed, and from this slit the hollow shaft 2
A leaf spring 30 held on the outer peripheral surface of the tip 25 of 4
The curved part of the arc is protruding. A coil spring 31 is provided between the inner end surface of the base end 26 of the hollow shaft 24 and the piece 20.
1 urges the slider 17 in the direction of pulling it out from the large diameter portion 14 of the cylinder body 16. Furthermore, the holding body 23 is electrically connected to the cable 9 of the connection cord 8 via the piece 20 and the leaf spring 30. Therefore, if the slider 17 is slid in the retracting direction against the biasing force of the coil spring 31, the clamping body 23 will protrude in conjunction with this slide, so that its curved tip will meet the hollow shaft. 24
Separated from and facing the tip surface of. Further, the leaf spring 30 protruding from the outer tube 28 connects the first plug 10 to the fifth
As shown in the figure, when connected to the output jack 3, it comes into elastic pressure contact with the output jack 3. As shown in FIG. 6, the second plug 11 includes a base 32, a conductive part 33 protruding from the base 32, and an insulating part 34 formed at the tip of the conductive part 33. And this second
When the plug 11 is inserted into the output check jack 7, the conductive part 33 comes into contact with the electrical contact 35, and the insulating part 34 contacts the lever 36 of the detection switch 12, so that the switch 12 is activated. ing.

On the other hand, when checking whether there is a normal output from the treatment instrument 39 that is connected to the output jack 3 and inserted into the endoscope 38 as shown in FIG. 4, the connection cord 8 Connect the second plug 11 to the output check jack 7,
The first plug 10 is connected to the distal end of the treatment instrument 39 protruding from the endoscope 38 . That is, the slider 17 of the first plug 10 is pushed in, and the distal end of the treatment tool 39 is inserted between the distal end of the clamping body 23 and the distal end surface of the hollow shaft 24, which are opposed to each other.
The connection can be made by elastically pinching it using the restoring force. As a specific example, if the treatment tool 39 is a papillotomi knife or a high-frequency snare as shown in FIGS. 7 and 8, these wires may be held between them.
As shown in the figure, in the case of a hemostat, the spherical tip may be held. In other words, since the distal end of the treatment tool 39 is elastically clamped by the clamping body 23 which is a wire curved into an arc, not only is it not damaged by the clamping body 23, but the tip of the treatment implement 39 is Even if the tip part has a shape that is difficult to grasp, such as a spherical shape, it can be held well.

10 and 11 show other embodiments of the invention. That is, in this embodiment, the clamping body 23 is formed not from a wire but from a band-shaped metal plate, and its tip has a circular plane and a concave portion 4 having an arcuate cross section.
1. Even with this structure, the distal end of the treatment instrument 39 is not damaged, as in the above embodiment, and even if the distal end has a spherical shape or the like, it can be held well.

[Effects of the Invention] As described above, the present invention provides a plug for connecting to the distal end of a treatment instrument, which can freely protrude from the distal end surface, and which elastically connects the distal end of the treatment instrument with the distal end surface. A clamping body capable of clamping the plug is provided, and the clamping body elastically protrudes from the distal end surface of the plug so that the distal end of the treatment instrument is clamped between them. Therefore, the distal end of the treatment instrument can be well held by the distal end surface of the plug and the clamping body protruding from the distal end surface without damaging the distal end of the treatment instrument, and the shape of the distal end of the clamping body Therefore, there is an advantage that even if the shape of the tip of the treatment instrument is spherical or the like, it can be held securely.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a first plug showing an embodiment of the present invention, Fig. 2 is a front view thereof, and Figs. 5 is a cross-sectional view of the first plug connected to the output jack, FIG. 6 is a cross-sectional view of the second plug connected to the output check jack, and FIG. Figures 9 to 9 are explanatory diagrams of the state in which the first plug is connected to the tip of a different treatment instrument, and the 10th
The figure is a side view of a first plug showing another embodiment of the invention, and FIG. 11 is a front view of the same. 3... Output jack, 10... First plug,
23...Pinching body, 39...Treatment tool.

Claims (1)

[Claims] 1. In a connection cord equipped with a plug that can be connected to the distal end of a treatment instrument used transendoscopically and also to the jack of a power supply device, the plug has a plug that can freely protrude from the distal end surface. A connection cord for checking the output of a high-frequency ablation power supply device, characterized in that a clamping body is provided that can elastically clamp the distal end of the treatment tool with the distal end surface.