JPS6171029A - Forcept in endoscope - 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 Field of Industrial Application The present invention relates to a forceps port for inserting forceps in an endoscope mainly used for observation, examination, diagnosis, treatment, etc. of living body cavities.

As is well known in the art, the forceps insertion port provided in the hand operation section of this type of conventional endoscope is connected to the forceps introduction port opened in the outer shell for forming the hand operation section. It is formed by screwing and fixing a cap with a forceps cap, and it used to be located near the eyepiece part installed in the hand control part, but recently it has been changed from the viewpoint of operability. ,
As shown in FIG. 3, the forceps port y in the endoscope An outer shell that is provided with a connecting part, and is equipped with a connecting part 2 for connecting to a cable, an eyepiece part 3, a mounting part 4 for various operation buttons, a shaft part 5 for fixing each operation wire operating eldest child, etc. Formation of a forceps introduction port formed in a part of the outer body 1 at a position away from the eyepiece section 3 in the hand operation section A whose main component is the body 1, that is, at a position away from the face of the medical practitioner during use. It has come to be constructed and installed using the fixed phase part forming part 105 of the forceps cap with a cap.

Problems to be Solved by the Invention By the way, as mentioned above, when installing the forceps mouth y5 at a position away from the face, generally when a person with a relatively large child grasps the hand operation part A, the third As shown by the dotted line in the figure, the forceps mouth is placed at a distance so that the little finger does not interfere with the operability of the forceps. There are opinions and complaints such as differences in the size of the hands, or the way the handle 2 of the hand control part A is gripped, the forceps mouth y5 being too far away and tiring, or the forceps lacking fine operability. I was often asked.

Means for Solving the Problems In view of the above-mentioned opinions and complaints, the present invention has been developed to enable the position of the forceps insertion port in the forceps port to be the most convenient position for each medical practitioner. It is possible to adjust the fixing position of a cap which is fitted and fixed into a forceps introduction port installed near the tip of an outer shell for forming a hand operation part in a scope, with its rear end protruding outside the forceps introduction port. It is characterized by its configuration.

Function: The forceps port in the endoscope according to the present invention has the above-mentioned configuration, and when using the endoscope, it is difficult to grasp the size of the hand of the doctor using the endoscope or the grip of the hand operation part.
The mounting and fixing position of the cap relative to the forceps introduction port is changed depending on the gripping method, and the position of the forceps insertion port in the cap is set at the distance and height that are most convenient for the surgeon using the endoscope.

Examples Hereinafter, two examples will be selected from among several examples of the forceps port in the endoscope according to the present invention. This is called the second embodiment, and is a longitudinal drawing showing only the main components of the endoscope, omitting the illustration of the same or equivalent components as the previous endoscope, or giving the same reference numerals. This will be explained in detail below.

First, in FIG. 1 showing the first embodiment, A and B are simply referred to as the operating section or the operating section main body, etc., as in the case shown in FIG. 3. There is a manual operation part, and a flexible tube part, which is also called a flexible part.

The hand operation unit A is mainly composed of the outer shell 1, and
1 is a forceps port provided on the distal end side of the outer shell 1, that is, near the connection part with the base of the flexible tube part B, similar to the forceps port y3 shown in FIG. The main components are a cap fixing position adjusting part 101 with a forceps plug, which is provided near the tip and has a forceps introduction port 11 formed therein, and a cap 20 with a forceps plug.

By the way, the forceps introduction port 11 is the forceps port y in FIG.
In the configuration of 3, a cap with a forceps spout formed in the outer shell 1 (Fig. 1) is fixed at approximately the same position as the forceps introduction port (not shown) formed in the outer shell 1 shown in Fig. 3. From the outside, the position adjustment part 101 is formed into a cylindrical shape, and a forceps channel 12 is provided at the tapered tip of the position adjustment part 101.
are connected to each other, and a suction tube connecting tube 13 for connecting the suction tube 14 is attached near the tip. Further, a screw hole 15 penetrating into the forceps introduction port 11 is provided in the outer wall portion near the opening of the cylindrical forceps introduction port 11, and a screw hole 15 that penetrates into the forceps introduction port 11 is provided at the tip thereof. A screw shaft 16 for adjusting the position of fixing a cap with a forceps cap is screwed into the cap body 21, which has a shaft portion 17 for fixing the cap with a forceps cap, which is fitted into a long groove 25 formed in the cap body 21 of the cap.

The forceps cap 20 is fitted into the cylindrical forceps introduction port 11 like a piston of a plunger pump, and has a forceps introduction guide hole 22 along the axis in the center thereof. On the outer circumferential surface of the tip, several O-ring holding annular grooves 2 are fitted with O-rings 23 and 23 for airtight maintenance.
4.24, and the above-mentioned screw shaft 16 is also provided on the outer peripheral surface of the rear end side.
The shaft part 1T for fixing the cap with the forceps cap is inserted.
At the rear end of the cap body 21, in which long grooves 25 in the longitudinal direction are formed, there is provided
Fit the forceps plug 27 with the notch 26 for introducing the forceps as described in the specification and drawings attached to the application No. 9-111681 [Date of application for utility model registration - July 25, 1980]. It is formed by wearing clothes.

That is, since the forceps mouth y1 of the first embodiment is configured as described above, when it is used, it depends on the size of the hand of the medical practitioner who uses it.
Alternatively, taking into consideration the way of grasping 2 of the hand operation part A, loosen the screw shaft 16 for adjusting the fixing position of the cap with forceps cap for configuring the forceps port y1, and insert the shaft portion 17 into the cap with forceps cap 2.
The threaded shaft 16 is raised slightly above the groove bottom of the long groove 25 of 0 to adjust the degree of insertion of the forceps cap 20 into the mouth 11, and to set the screw shaft 16 at a position that does not impede the operability of the forceps. By screwing in and fixing the cap 20 with the forceps cap, the operability of the forceps is improved, fatigue when using the forceps is reduced, and detailed operations of the forceps can be performed extremely easily. That's what I did.

Next, in FIG. 2 showing the second embodiment, A is the first
Same as the manual operation part A shown in the figure, it is conventional.

It is a hand-operated operation part that has almost the same components and parts as an endoscope, and has a flexible tube connected to its tip.
is its outer shell, and y2 is a forceps opening provided near the connecting part at the base of the flexible tube part, similar to the forceps opening y1 shown in FIG. 1, using the outer shell 1. 1, a support for adjusting the fixing position of the mouthpiece with a forceps mouthpiece 102, a support body 40 for adjusting the position of the mouthpiece with a forceps mouthpiece, and a forceps mouthpiece of the first embodiment. Since it has the same structure as the cap 20, it is composed of a cap 20 with a forceps cap, which is shown with the same reference numerals.

By the way, the support tilting direction adjustment part 102 for adjusting the fixing position of the forceps cap with a cap is mainly composed of a main body 102' and a lid-shaped part 102'' formed on the outer shell 1, and the cap with a forceps cap is fixed. Position adjustment support tilting direction adjustment part 10
2 includes a spherical hollow part 31 that supports a spherical part 41 of a forceps cap fixation position adjustment support 40 with a forceps cap, which will be described later, in a ball-and-socket manner, and an axis passing through the center of the spherical hollow part 31;
One side is open to the outside of the outer shell 1, and the other side is a relatively large-diameter through hole 32 that communicates with the spherical hollow part 31, and the axis line is the through hole 3.
2, one has a spherical hollow part 31 and the other has an outer shell 1.
A relatively large-diameter through hole 33 opened therein and a series of O-rings 34, 34 as a backing are formed in a continuous manner across the main body part 102' and the lid-like part 102'' so that they can be fitted therein. Annular groove 35 for holding Q IJ ring
．． 35, etc., and a screw hole 36 into which a screw shaft 37 for adjusting the tilting direction of the support for adjusting the fixing position of the mouthpiece with the forceps mouth plug is screwed, and a suction tube provided for connecting the suction tube 14. A connecting tube 38 is fixedly opened toward the spherical center of the spherical hollow portion 31 .

Further, the support body 40 for adjusting the fixed position of the forceps cap with a cap is as follows:
A spherical portion 4 supported in the spherical hollow portion 31 in a ball-and-socket manner.
1, an extended portion 42 whose axis passes through the spherical center of the spherical portion 410 and extends slightly from the spherical portion 41 to the outside of the outer shell 1, and whose diameter is considerably smaller than that of the through hole 32; The axis line is common to the extending portion 42 and extends from the spherical portion 41 to the inside of the outer shell 1, and the through hole 33
The extension part 42 is mainly composed of an extension part 43 having a considerably smaller diameter than the extension part 42.
A forceps introduction port 44, which is equivalent to the forceps introduction port 11 of the first embodiment, is formed beyond the spherical center of the spherical portion 41 from the end surface of the spherical portion 41. penetrate,
The end of the extension part 43 is connected to the forceps channel 12, and near the end of the extension part 42 protruding outside the outer shell 1, there is a cap fixing position adjustment device with a forceps cap in the first embodiment. A screw shaft 4 for adjusting the position of fixing a cap with a forceps cap, which is equipped with a shaft portion 49 for fixing a cap with a forceps cap, which is equivalent to the screw shaft 16 for use.
A screw hole 47 is formed into which the spherical part 41 is screwed, and the outer surface of the spherical part 41 is formed so that the state of communication with the suction pipe connecting pipe 38 can be maintained even when the spherical part 41 is subjected to complicated movements. A wide annular groove 45 for maintaining communication is communicated with the forceps introduction port 44 through a communication hole 46 .

Furthermore, since the cap with a forceps cap in the forceps port y2 shown in FIG. 2 has exactly the same structure as the cap with a forceps cap 20 of the first embodiment shown in FIG. They are given the same reference numerals and their explanations are omitted.

Therefore, in use, the forceps port y2 of the second embodiment achieves the same effect as the forceps port y1 of the first embodiment by rotating the screw shaft 48 for adjusting the fixed position of the cap with the forceps port plug in the forward and reverse directions. Outside, a support for adjusting the fixing position of the mouthpiece with a forceps spout integrated with the outer shell 1. Screwed into the screw hole 36 in the tilting direction adjustment part 102 -10 = Support for adjusting the fixing position of the mouthpiece with a tightened forceps mouthpiece By forward and reverse rotation of the screw shaft 37 for adjusting the body tilting direction, the tilting direction of the support body 4o for adjusting the fixing position of the cap with a forceps cap is changed in all directions, making the cap with a forceps cap 20 the easiest for the medical practitioner to use. It is also possible to direct the object in a certain direction. and,
Either of these two different operations, such as adjusting the amount of protrusion of the forceps cap 20 from the forceps introduction port 44 and adjusting its tilting direction, may be performed first. The forceps mouth y2 can now be used in a manner that is most convenient for the medical practitioner using it.

Although detailed explanations and illustrations have been omitted, the spherical portion 41 in the forceps mouth y2 of the second embodiment is formed into a flat disk shape, and the spherical hollow portion 31 also conforms to this.
The support body for adjusting the fixing position of the mouthpiece with forceps cap can be tilted along only one of the planes including the axis of the outer shell 1, or perpendicular to the axis, or other planes. You can also do it. Further, the forceps plug 27 is not attached to the mouthpiece body 21 as in each of the above embodiments, but has a different outer diameter or shape, and is attached to the forceps introduction port 11.
4, and the forceps plug is installed at a position closer to the external opening side of the forceps introduction port 11.44 than the opening position of the suction tube connection tube 13 or the communication hole 46. You can also do this.

Effects of the Invention As is clear from the above description, the present invention has been developed in recent years from the viewpoint of operability of forceps using the forceps opening, and the present invention has been developed in view of the operability of forceps using the forceps opening. This newly developed technology eliminates individual differences in the operability of forceps using the forceps mouth, and eliminates the cause of fatigue caused by individual differences when using forceps. This makes it possible to provide a forceps port in an endoscope that allows even finer forceps operations to be made extremely easy.

[Brief explanation of drawings]

FIG. 1 is a diagram illustrating the configuration of the main parts of a first embodiment of the forceps port in the endoscope according to the present invention, with illustrations of the same or equivalent components as those of the conventional endoscope omitted; FIG. 2 is a diagram for explaining the main part configuration of the second embodiment illustrated in the same way as FIG. 1, and FIG. This is an external view of the department. Note that the same reference numerals in the figures indicate the same or equivalent components. X; Endoscope A; Manual operation part B; Flexible tube part
C; Hard tip portion yIIy2Iy; Forceps mouth 1; Outer shell 2; Cable linkage portion 3; Eyepiece portion 4; Operation button mounting portion 5; Shaft portion 101 for fixing each operation wire operating eldest child: Forceps Part 102 for adjusting the fixing position of the cap with a forceps stopper; Part 102' for adjusting the tilting direction of the support for adjusting the fixing position of the cap with a forceps stopper: Body part 102''; Lid-shaped part 10; Shaft part for fixing the cap with a forceps stopper Part 11.44; Forceps introduction port 12; Forceps channel 13.38: Suction tube connection tube 14: Suction tube 15, 36, 47; Screw hole 16.
48: Screw shaft for adjusting the fixed position of the cap with forceps cap 17.49
: Shaft part 20 for fixing a cap with a forceps cap; cap 21 with a forceps cap; cap body 22: Guide hole for introducing forceps 23.
34 SO ring 24.35; O-ring holding annular groove 25: long groove 26: forceps introduction notch 27; forceps plug 31; spherical hollow part 32.33;
Through hole 37: Support for adjusting the fixing position of the mouthpiece with forceps plug; Spiral shaft 40 for adjusting the tilting direction; Support body 41 for adjusting the fixing position of the mouthpiece with forceps mouthpiece; Spherical portions 42, 43: Extension portion 45; Maintaining communication state annular groove 46; communication hole

Claims (1)

[Claims] It is possible to adjust the fixing position of a cap which is fitted and fixed into a forceps introduction port installed near the tip of an outer shell for forming a hand operation part in an endoscope with its rear end protruding outside the forceps introduction port. A forceps port in an endoscope that is characterized by: