JPS60135039A - Recovery tool of foresign matters in body cavity - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a device for collecting foreign matter in a body cavity, which grasps a foreign body such as a stone inside a body cavity and removes it from the body cavity by using a basket made of a plurality of wires.

[Background technology and its problems]

This comb, a conventional collecting tool, opens and closes the basket by moving only one of the plurality of wires constituting the basket forward and backward relative to the other wires (filed in Utility Model Application No. 126,229/1983). . For this reason, the orientation and opening direction of the basket cannot be freely selected, but is determined by the single wire that moves the basket forward and backward. therefore,
There were some problems in easily and reliably grasping and recovering foreign objects depending on the situation.

[Purpose of the invention]

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to provide a drink in a body cavity in which the orientation and opening direction of the basket can be freely selected and foreign matter can be easily and reliably recovered depending on the situation of the foreign matter. There is a need to provide collection tools.

[Summary of the invention]

In the present invention, an operating slider for individually advancing and retracting all of the plurality of wires is attached to the slide guide portion so as to be able to move forward and backward independently, so that at least a plurality of the wires constituting the C basket can be moved forward and backward independently. This is what I did.

[Embodiments of the invention]

Hereinafter, each embodiment of the "Misfire 1 Yo" will be explained based on the drawings.

112J to 5 show a first embodiment of the present invention. Reference numeral 1 in FIG. 1 denotes a flexible sheath with an outer diameter that allows it to be inserted into a channel of approximately the size (not shown) to be used. For example, is this sea snow blue? It is formed from a coiled body. Also, inside this sheath l, there are several wires Za, three in this example.

2bI2c are inserted, and each of these wires 2a, 2
B and 2c are designed to be able to advance and retreat independently. Further, each end portion of each wire 2a t 2b s 2C is an elastically curved end wire portion 3a, 3b, 3c, and these constitute a basket 4 that can be opened and closed as described later. Soshi-C, tip wire portion 3a,
Each tip of 3be 3c is bound by a tip 5.

Further, this distal tip 5 is in contact with the distal end of the sheath l, and is not retracted into the sheath l.

An operating section main body 6 is attached to the left end of the sheath 1. As shown in Fig. 2 and the third factor, this operating part main body 6 is not provided with a slider guide part 8 consisting of a pair of flat guides H7, 2, and each of the guide rods 7, 7 is connected to the sheath 1. It is provided along the longitudinal direction. Furthermore, as is clear from Figure 2 and Figure 3, each kite rod 7, 7 has an irregular surface shape rather than a right circle. 4IQ At the end, the operating hand Jb is 1'4i and the first 1'
The i and i holes are provided with a ring 9, and this finger rest is provided with a ring 9V.
C! The proximal end of the guide rod 7 is connected. In addition, in the above-mentioned case, the hole 10 of the ring 9 is opened in a direction perpendicular to the longitudinal direction of the slide kite portion 8.

FJ, which will be described later, are attached to the slide kite section 8 so as to be able to move forward independently. The first operating slider 1 has sliding holes 14, 14 that pass through each of the guide rods 7, 7, and finger holes 15, 15 are formed at both ends thereof, respectively. Also,
The central part of the first operation slider 1 is the wire receiver part 16.
This wire receiver has the above wire 2 in part J6.
The proximal end of one wire 2a among wires a, 2b, and 2c is connected. In other words, the wire holder is installed with the hole 17 completely formed, and the wire holder is installed with the wire za (7) formed in the hole 17.
1) The wire holding screw 18, which is inserted into the proximal end and screwed in from a direction perpendicular to the proximal end, is fixed in place. Therefore, when the first operation slider 11 is moved back and forth, the wire 2a can also be moved back and forth at the same time. In addition, the wire receiver part 16 has two insertion holes 19 and 19 that pass through the other wires 2b and 2c, respectively.
is drilled.

A second operation slider 12 is attached to one guide rod 7, and a third operation slider 13 is attached to the other guide rod 8.
is installed. In other words, the second and third operating slides 12 and 3 each form a holding hole 2 through which the corresponding guide rods 7 and 7 pass. Further, the second and third operation sliders 12 and 13 are located closer to the user's hand than the first operation slider 1, so that the first operation slider 1 can also move forward. Can not. Furthermore, the second and third operation sliders 12.13 can move independently in the front and back direction without interfering with each other. The proximal end of the wire 2b is connected to the second operation slider 12, and the third operation slider 13Vc is connected to the wire 2c.
The proximal ends of the two are connected. This connection means is similar to the 81st connection for connecting the first operation slider IIVc wire 2a, and is fixed using a hole 17 and a wire holding screw 18f. The second operation slider 12 and the third operation slider 13/C are also provided with finger hooks 23, 24 located on the outside, respectively. In addition, hard protective tubes 25, 26, and 27 are fitted around the proximal end of each of the wires 2a, 2b, and 2c, respectively, to prevent buckling when the wires exit from the sheath 1. It looks like this.

Next, we will explain how to use the recovery tool configured as described above.0 When each operating slider 11, 12, 13 is moved to the nearest position as shown in FIG.
, 2b, 2c retreat, and the tip wire parts Ja, Jb, Jc
is completely drawn into the sheath l. In this way, the wire 2a.

2b and 2c are drawn into the sheath 1, and the sheath 1 is introduced into the body cavity through the channel of the endoscope. Then, each operation slider 11 is adjusted according to the situation of foreign matter in the body cavity.
, 12.13, for example l/! as shown in Figure 4. : Move the first operation slider 1 and the rabbit 2 operation slider J2 forward, and move the third operation slider 1 forward.
3 towards the hand side, the basket 4 faces towards the wire 3c that has been drawn in, and its tip wire part, ya, sb
, sc opens. Also, as shown in Figure 5, move the first operation slider 1 and the third operation slider J3 forward,
When the second operation slider 12 is pulled toward the user's hand, the tip wire portions Ja, Jb, . . . Vc open while facing toward the wire 2b being pulled in. In this way, since the orientation of the basket 4 can be selected on the hand side, foreign objects can be easily and reliably collected depending on the situation.

6 to 8 show a second embodiment of the present invention. In this embodiment, a second operation slider 12 corresponds to the first operation slider 1 in the first embodiment.
This embodiment differs from the above embodiment in that the third operation slider J3 is also provided on the hand side. Of course, the second pay/single slider 12 and the third operation slider 13 can move freely in front of the first operation slider 11 without interfering with each other. As shown in FIG. 7, when the first operation slider 1) and the third operation slider 13 are pulled toward the hand side and the operation slider 12 @2 is advanced, the wire 2a that has been pulled out is , 2c, the basket 4 opens. In addition, as shown in FIG.
When the operation slider 11 and the second operation slider J2 are pulled toward the hand side and the third operation slider 13f is moved forward, the wire 2a that has been pulled in is moved forward.

The basket 4 opens while facing the back 1 of 2b.

FIG. 9 shows a third embodiment of the present invention. In this embodiment, the slide guide part 8 has three guide rods 3Ja.
, 31b, 31c are provided, and each guide rod 31a,
,? The operation sliders 32a, 32b, 32Q'ff are attached to each of the sliders 1b and 31c so that they can slide freely so as not to interfere with each other, and other forces are the same as in the above embodiment. Since all the operation sliders 32a, 32b, and 32c can move independently without interfering with each other, the orientation of the basket 4 can be more freely selected than in the above embodiment. This is the fourth embodiment of the invention, which includes guide rods J l a , 3 J b , 31 C, 31 d and an operating slider, ? 2a, 32b, 32c
, , i 2d is set to four, and accordingly, the number of wires is also set to four, except for the fish body, which is the same as the third embodiment.

〔Effect of the invention〕

As explained above, the present invention allows at least a plurality of wires constituting the basket to move forward and backward independently, so that the direction of the basket and its opening direction can be freely selected, and it can be easily and easily adapted to the situation of foreign objects. Can be reliably recovered.

[Brief explanation of the drawing]

1 is a side sectional view showing a first embodiment of the present invention, FIG. 2 is a sectional view of a portion along the line ■-■ in FIG. 1, and FIG.
A cross-sectional view of the part along the line ■-■ in the figure, Figure 4 and Figure 5.
The figures are a side sectional view showing the operating state of the first embodiment, FIG. 6 is a side sectional view showing the second embodiment of the invention, and FIGS. 7 and 8 are respectively the second embodiment. FIG. 9 is a perspective view of the slide guide section showing the third dormitory embodiment of the present invention, and FIG. 10 is the fourth dormitory embodiment of the present invention.
It is a perspective view of the slide guide part showing an example of. 1 =・-sheath, Za, zb, 2C-・-wire, J
a, 3b, 3c...Tip wire part, 4...Basket, 6...Operation unit main body, 7...Guide rod, 8...
Slide guide portion, No. 1...first operation slider, No.2...second operation slider, J3...third operation slider, 31a, 31b, 31c, 31d...guide rod; ? 2a, szb, 32c, 3zd...operation slider. Applicant's Representative Patent Attorney Junko Tsuboi Figure 1 Figure 2 Figure 3 Figure 4 / (2・1'/i i Figure 5 Figure 7 Figure 8 yP9 Figure 10

Claims (1)

[Claims] A sheath, a slider guide portion connected to the proximal end of the sheath, a distal end wire portion for forming a basket which is inserted into the sheath so as to be freely retractable and whose distal end portions are elastically curved; A plurality of wires whose tips are connected, and a plurality of operation sliders which are individually connected to each other at least at the base ends of the middle ones of these wires and are attached to the slider guide section so as to be able to move back and forth independently. A recovery tool for body F9I circular foreign matter, which is characterized by being fully equipped.