JP2004358011A - Endoscope operation part - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an endoscope operation part which can smoothly perform an endoscope examination in the state of greatly changing the direction of an insertion part compared to the original state of holding a grip part by facilitating a suction operation with the fingertip of a hand grasping a holding adapter attached separately from the grip part. <P>SOLUTION: A holding adapter 20 for holding an endoscope operation part 10 without holding the grip part 11 is freely attachably and detachably provided on the endoscope operation part 10, an auxiliary suction operation valve 26 for performing the suction operation in place of a suction operation valve 16 is attached to the holding adapter 20, and the auxiliary suction operation valve 26 is operated with one of the fingertips of the hand, grasping the holding adapter 20. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an endoscope operation unit.
[0002]
[Prior art]
The endoscope operation section is connected to the proximal end of the insertion section, and is provided with a suction operation valve and the like for performing a suction operation, in addition to a grip section for gripping and holding by an operator ( For example, Patent Document 1).
[0003]
Generally, the grip portion of such an endoscope operation section is formed substantially straight in the same direction as the axis of the insertion section, and is used in a state where the insertion section is directed downward from the lower end of the endoscope operation section. Suitable for.
[0004]
However, depending on the procedure of endoscopy, there is a case where it is desired to hold the insertion section horizontally, and there is a case where the endoscope operation section is formed in a pistol type so as to be easily used for such a special procedure (for example, Patent Document 2).
[0005]
[Patent Document 1]
JP-A-12-33069, FIG.
[Patent Document 2]
Japanese Patent Publication No. 7-95148, Fig. 1
[0006]
[Problems to be solved by the invention]
However, if the endoscope operation section itself is formed in a pistol type as in the invention described in Patent Document 2, a general procedure (that is, a state in which the insertion section is directed downward from the endoscope operation section). ), It becomes very difficult to use it, and it becomes extremely uneconomical to use a dedicated endoscope for special cases.
[0007]
Therefore, for example, a holding adapter for holding the endoscope operating unit without gripping the original grip unit is detachably provided on the endoscope operating unit having a general shape described in Patent Document 1. Can be considered.
[0008]
However, in a device having a suction operation valve such as an endoscope operation unit described in Patent Literature 1, holding the grip portion allows the second or third fingertip of the hand to operate the suction operation valve. It is laid out so that it is possible to operate the suction control valve with the fingers of the hand, and it is difficult to operate the suction control valve by grasping the holding adapter separate from the grip. You will not be able to proceed.
[0009]
Therefore, the present invention enables the suction operation to be easily performed with the fingertip of the hand gripping the holding adapter attached separately from the grip portion, so that the orientation of the insertion portion is larger than in the state where the grip portion is gripped. An object of the present invention is to provide an endoscope operation unit that can smoothly perform an endoscope inspection in a changed state.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, the endoscope operation section of the present invention includes a grip section that is gripped by an operator to hold the endoscope operation section, and a suction operation valve for performing a suction operation. In the provided endoscope operation section, a holding adapter for holding the endoscope operation section without gripping the grip section is detachably provided on the endoscope operation section, and suction is performed instead of the suction operation valve. An auxiliary suction operation valve for performing an operation is attached to the holding adapter, and the auxiliary suction operation valve can be operated with any fingertip of a hand holding the holding adapter.
[0011]
In addition, by connecting a piping tube extending from a piping adapter detachably provided to the suction operation valve to the auxiliary suction operation valve, the auxiliary suction operation valve is connected to a pipe fixedly connected to the suction operation valve. May be connected in the middle of the process.
[0012]
Further, the holding adapter may be attached at an angle of 90 ° to 150 ° with respect to the grip portion, and the angle formed by the holding adapter with respect to the grip portion may be variable.
[0013]
Further, a light source unit for generating illumination light for illuminating the observation visual field is detachably provided in the endoscope operation unit, and the holding adapter is configured so as to be inserted and connected to the mounting unit of the light source unit. You may.
[0014]
Further, a treatment tool holding unit for further holding the operation unit of the treatment tool may be attached to the holding adapter.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings.
3 and 4 show the entire configuration of the endoscope in a state where a holding adapter 20 described later is not attached. FIG. 3 is a side view, and FIG. 4 is a rear view.
[0016]
An endoscope operation unit 10 is connected to a base end of the endoscope insertion unit 1. By rotating a bending operation member 13 disposed on the endoscope operation unit 10, the endoscope insertion unit is rotated. The bending portion 2 provided near the tip of the first member 1 can be bent by an arbitrary angle.
[0017]
As shown in FIG. 3, a treatment instrument insertion channel 3 is inserted through the entire length of the endoscope insertion section 1, and a treatment instrument insertion port 3 a as an entrance thereof is connected to the endoscope insertion section 1. Is disposed obliquely upward at the lower end portion of the endoscope operation section 10 near the connecting section.
[0018]
In addition, a treatment tool protrusion 3b, which is an outlet of the treatment tool insertion channel 3, is arranged on the most distal end surface of the endoscope insertion section 1 along with an observation window or the like (not shown). Reference numeral 4 shown in FIG. 4 is a light guide for transmitting illumination light for illuminating the observation range.
[0019]
The endoscope operation section 10 is provided with a vertically long grip section 11 for the operator to grip with the third to fifth fingers, and an eyepiece section 12 is provided upright at the upper end. The above-mentioned bending operation member 13 is arranged on the rear surface side between the grip part 11 and the eyepiece part 12.
[0020]
A suction operation valve 16 having a structure in which a piston operation unit 16B is pushed into (and detachable from) a cylinder unit 16A fixed to the endoscope operation unit 10 is disposed on the front surface thereof.
[0021]
The suction operation valve 16 presses the piston operation part 16B to communicate between the suction communication pipe 17 communicating with the treatment instrument insertion channel 3 and the suction tube connection pipe 18 connected to the external suction machine. In addition, suction can be performed from the treatment tool outlet 3b through the treatment tool insertion channel 3. Reference numeral 14 denotes a pressure regulating valve having a check valve function for adjusting the pressure inside the endoscope.
[0022]
Reference numeral 30 shown in FIG. 4 is a light source unit with a built-in battery that generates illumination light for illuminating the observation visual field and causes the light to enter the incident end 4 a of the light guide 4. Between the light source receiving base 15 protruding laterally from the position between them.
[0023]
FIG. 5 is a plan view showing a state in which such a light source unit 30 is detached from the light source receiving base 15 and the holding adapter 20 is inserted and connected between the light source unit 30 and the light source receiving base 15. As described above, the holding adapter 20 of the present embodiment can be arbitrarily attached to and detached from a commercially available endoscope later. Reference numeral 31 denotes a light source lamp of the light source unit 30.
[0024]
The connection seat 27 arranged at the base of the holding adapter 20 incorporates a light guide member 24 at an axial position, and a rotatable female screw ring 28 that can be unscrewed from the light source receiving base 15, and a light source unit 30. A fixed male screw ring 29 that can be screwed off is arranged.
[0025]
Accordingly, by screwing the rotating female screw ring 28 and the fixed male screw ring 29 with each other, the connection seat 27 is sandwiched between the light source receiving base 15 and the light source unit 30 as shown in FIG. The illumination light emitted from the light source lamp 31 passes through the light guide member 24 and enters the incident end 4 a of the light guide 4.
[0026]
FIGS. 7 and 8 are a plan view and a side view, respectively, showing a state in which the holding adapter 20 is attached to the endoscope operating section 10 in this manner. The portion near the front end of the stay 23 extending obliquely upward at the rear position is a substantially oval annular one-person operation grip 21.
[0027]
The auxiliary suction operation valve 26 is attached to the single operation grip 21 with a fixing screw 26a or the like at a position where it can be easily operated with the second finger or the third finger of the hand holding the single operation grip 21. ing.
[0028]
The auxiliary suction operation valve 26 is composed of a cylinder portion 26b fixed to the single-manipulation grip 21 and a piston operation portion 26c pushed into the cylinder portion 26b. 26d is protruded. When using the auxiliary suction operation valve 26, the piston operation part 16B is removed from the cylinder part 16A of the suction operation valve 16.
[0029]
A treatment tool inserted into the treatment tool insertion channel 3 and connected to the base end of the treatment tool extending from the treatment tool insertion opening 3a is provided at an end of the single-manipulation grip 21 near the endoscope operation unit 10. A treatment tool holder 22 for detachably holding an operation unit (not shown in FIGS. 7 and 8) is attached.
[0030]
Such a single-person operation grip 21 can arbitrarily change the direction of attachment to the endoscope operation unit 10 by changing the direction of attachment of the connection seat 27 to the light source receptacle 15, but in terms of operability. Therefore, it is preferable to attach the grip portion 11 in a range of 90 ° to 150 °.
[0031]
FIG. 9 shows an example of the treatment tool operation unit 41 attached to the treatment tool holding unit 22, which is arranged at the distal end of the treatment tool 40 by performing an operation to change the interval between the two finger hooks 42 and 43. The operation wire for operating the distal treatment member that has been operated can be advanced and retracted.
[0032]
The treatment tool holding part 22 of this embodiment is capable of holding one finger hook 42 formed in the shape of a bobbin, and as shown in an exploded view in FIG. The structure is such that a C ring 22b having a spring property is mounted on the member 22a.
[0033]
FIG. 11 is a cross-sectional view of a state where the finger hook 42 of the treatment instrument operation unit 41 is fitted and held in the C ring 22b of the treatment instrument holding unit 22 configured as above, and the finger hook 42 holds the C ring 22b. It can be disengaged from the treatment tool holding portion 22 while being elastically deformed.
[0034]
FIG. 12 shows a state in which a bending operation adapter 13 </ b> X detachably attached to the bending operation member 13 is attached to the bending operation member 13. When the grip 21 for a single operation of the holding adapter 20 is gripped, The bending operation member 13 can be operated with the fingertip of the hand.
[0035]
FIG. 1 shows a state in which the endoscope operation section 10 of the present embodiment is operated. The operator does not hold the grip section 11 of the endoscope operation section 10 but holds the grip section 11 horizontally. Alternatively, the single-hand operation grip 21 is gripped with the left hand so as to be inclined.
[0036]
A communication adapter 50 is attached to the cylinder portion 16A of the suction operation valve 16 in place of the piston operation portion 16B. As shown in FIG. 2, a pair of connection pipes 50a protruding from the communication adapter 50 and an auxiliary suction operation valve are provided. The pair of connection tubes 26d are communicated with each other by a pair of connection tubes 51 (in FIG. 1, the connection tubes 51 are not shown).
[0037]
As shown in FIG. 2, one of a pair of connection pipes 50a protruding from the communication adapter 50 communicates with a suction communication pipe 17 fixed to a side surface of the cylinder 16A, and the other is fixed to a bottom of the cylinder 16A. With the suction tube connecting pipe 18.
[0038]
On the other hand, on the auxiliary suction operation valve 26 side, when the piston operation portion 26c is not pushed, the space between the pair of connection pipes 26d is closed as shown in the upper half of the auxiliary suction operation valve 26. When the piston operating portion 26c is pushed in, the communication between the pair of connecting pipes 26d is established as shown in the lower half. 26e is a compression coil spring for returning the piston operation part 26c to a standby state.
[0039]
Therefore, when the piston operation portion 26c of the auxiliary suction operation valve 26 is not operated, the space between the suction communication pipe 17 and the suction tube connection pipe 18 is closed by the auxiliary suction operation valve 26, and suction is performed from the treatment instrument insertion channel 3. When the piston operating portion 26c is pushed in, the suction communication tube 17 and the suction tube connection tube 18 communicate with each other through the connection tube 51, and the suction tube is connected from the treatment instrument insertion channel 3 through the connection tube 51. The suction to the tube 18 side is performed.
[0040]
Returning to FIG. 1, when the operator grips the single operation grip 21 with the first finger and the fifth finger of the left hand, the fingertip of the third finger of the operator with respect to the piston operation portion 26c of the auxiliary suction operation valve 26 Are engaged, and the pushing operation of the piston operating portion 26c can be performed with the fingertip.
[0041]
Then, by holding the pinwheel 42 in the form of a pinwheel among the two finger hooks 42, 43 of the treatment instrument operation section 41 on the treatment instrument holding section 22, the second finger is engaged with the finger hook 43 of the treatment instrument operation section 41. As shown by the arrow B, the operation can be performed. At the same time, the bending operation adapter 13X can be operated with the fourth finger as shown by the arrow A.
[0042]
As a result, the operator performs an advancing / retreating operation of the endoscope insertion section 1 and an advancing / retreating operation of pushing or retracting the treatment tool 40 into or out of the treatment tool insertion port 3a with the vacant right hand. The suction operation, the bending operation, and the operation of the treatment instrument operation unit 41 can be performed with the left hand of the person holding the device 10.
[0043]
The present invention is not limited to the above-described embodiment. For example, the connection between the auxiliary suction operation valve 26 and the suction operation valve 16 can take various forms. Can also be applied to endoscopes other than the type attached to the endoscope operation unit 10.
[0044]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, a suction operation can be easily performed with the fingertip of the hand which grips the holding adapter attached separately from the grip part originally provided in the endoscope operation part, and the original grip part is grasped. This provides an excellent effect that the endoscope inspection can be smoothly performed in a state where the direction of the insertion portion is largely changed as compared with the state of holding the endoscope.
[Brief description of the drawings]
FIG. 1 is a side view of a use state of an endoscope operation unit according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view illustrating a configuration in which an auxiliary suction operation valve and a suction operation valve according to an embodiment of the present invention are connected via a communication adapter.
FIG. 3 is a side view showing an entire configuration of the endoscope according to the embodiment of the present invention in a state where a holding adapter is not attached.
FIG. 4 is a rear view showing the entire configuration of the endoscope according to the embodiment of the present invention in a state where the holding adapter is not attached.
FIG. 5 is a plan view partially showing a state in which a holding adapter is attached to the endoscope operation unit according to the embodiment of the present invention;
FIG. 6 is a plan view, partly in section, showing a state in which a holding adapter is attached to the endoscope operation unit according to the embodiment of the present invention.
FIG. 7 is a plan view showing a state in which a holding adapter is attached to the endoscope operation unit according to the embodiment of the present invention.
FIG. 8 is a side view showing a state in which the holding adapter is attached to the endoscope operation unit according to the embodiment of the present invention.
FIG. 9 is a perspective view of a treatment tool and a treatment tool holding unit according to the embodiment of the present invention.
FIG. 10 is an exploded perspective view of the treatment tool holder according to the embodiment of the present invention.
FIG. 11 is a cross-sectional view showing a state in which a finger hook of the treatment tool is held by the treatment tool holding unit according to the embodiment of the present invention.
FIG. 12 is a plan view showing a state in which a bending operation adapter is attached to the bending operation member according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Endoscope insertion part 3 Treatment tool insertion channel 3b Treatment tool outlet 10 Endoscope operation part 11 Grip part 16 Suction operation valve 16A Cylinder part 16B Piston operation part 20 Holding adapter 21 Single person operation grip 22 Treatment tool holding part 26 Auxiliary suction operation valve 26b Cylinder section 26c Piston operation section 26d Connection tube 30 Light source unit 40 Treatment tool 41 Treatment tool operation section 50 Communication adapter 51 Connection tube

Claims (6)

In an endoscope operation unit provided with a grip portion that is gripped by an operator to hold the endoscope operation portion and a suction operation valve for performing a suction operation,
A holding adapter for holding the endoscope operation unit without gripping the grip unit is detachably provided on the endoscope operation unit, and an auxiliary for performing a suction operation in place of the suction operation valve. An endoscope operating section, wherein a suction operation valve is attached to the holding adapter, and the auxiliary suction operation valve can be operated with any fingertip of a hand gripping the holding adapter. By connecting a piping tube extending from a piping adapter detachably provided to the suction operation valve to the auxiliary suction operation valve, the auxiliary suction operation valve is fixedly connected to the suction operation valve. The endoscope operation unit according to claim 1, wherein the endoscope operation unit is in a state of being connected in the middle of the pipe. The endoscope operation section according to claim 1, wherein the holding adapter is attached to the grip section at an angle of 90 ° to 150 °. The endoscope operating section according to claim 1, 2 or 3, wherein an angle formed by the holding adapter with respect to the grip section is variable. 2. A light source unit for generating illumination light for illuminating an observation visual field is detachably provided on the endoscope operation unit, and the holding adapter is inserted and connected to a mounting portion of the light source unit. The endoscope operation section according to 2, 3, or 4. The endoscope operating section according to any one of claims 1 to 5, wherein a treatment instrument holding section for holding an operation section of the treatment instrument is further attached to the holding adapter.

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