JP4426214B2 - Endoscope operation unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an endoscope operation unit.
[0002]
[Prior art]
The endoscope operation unit is connected to the proximal end of the insertion unit. Generally, at least a grip unit for an operator to grip and a bending unit formed near the distal end of the insertion unit are remotely operated. A bending operation member and a treatment instrument insertion port that is an entrance of a treatment instrument insertion channel having an outlet formed at the distal end of the insertion portion are disposed.
[0003]
When performing endoscopy, the operator holds the grip portion with the third to fifth fingers of the left hand, operates the bending operation member with the first finger, and moves the endoscope insertion portion with the right hand. The insertion / removal operation and the treatment tool advance / retreat operation with respect to the treatment tool insertion channel are performed. In the endoscope operation unit to which a suction operation member or the like is added, the operation can be performed with the second finger of the left hand.
[0004]
In such an operation method, it is assumed that the operation of the treatment instrument operation unit attached to the proximal end of the treatment instrument is performed by an assistant, and if the breathing between the operator and the assistant does not match, the treatment is smoothly performed. There is a problem that advanced endoscopy using a treatment tool cannot be performed in an environment in which a doctor visits and visits alone by himself / herself.
[0005]
Therefore, conventionally, the length of the treatment tool with respect to the treatment tool insertion channel is reduced, and an adapter for fixing the treatment tool to the treatment tool insertion port portion of the endoscope operation unit is provided to operate the treatment tool operation unit. It was made possible for the operator of the endoscope to perform it (for example, Patent Document 1).
[0006]
[Patent Document 1]
Japanese Patent Publication No.59-33388 [0007]
[Problems to be solved by the invention]
When performing treatment in the body using the treatment tool passed through the treatment tool insertion channel of the endoscope, the treatment member of the treatment tool protruded from the distal end of the insertion portion of the endoscope was appropriately pressed against the affected area, etc. In this state, the treatment tool operation unit is operated to perform tissue collection, excision, and other treatments. Therefore, a delicate balance between the operation / retraction operation of the treatment tool and the operation of the treatment tool operation unit is very important.
[0008]
However, in the invention described in Patent Document 1, since the operator must perform both the advance / retreat operation of the treatment tool and the operation of the treatment tool operation unit with the right hand, when operating the treatment tool operation unit, the advance / retreat operation is performed. The movement is fixed with an adapter to prevent the movement of the direction.
[0009]
Therefore, since the advancement / retraction operation of the treatment tool and the operation of the treatment tool operation unit cannot be performed with a delicate balance, the treatment operation cannot be performed as the operator actually thought, and practicality was poor. .
[0010]
Therefore, the present invention provides an endoscopy using the treatment tool without an assistant by operating the treatment tool operation unit simultaneously with the left hand for performing the bending operation while the operator performs the advance / retreat operation of the treatment tool with the right hand. An object of the present invention is to provide an endoscope operation unit that can easily perform the above.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, an endoscope operation unit according to the present invention is connected to a proximal end of an insertion unit, a grip unit for an operator to grip, and a bending unit formed near the distal end of the insertion unit. Endoscopic operation in an endoscope operation section provided with a bending operation member for remotely operating the instrument and a treatment instrument insertion port that is an entrance of a treatment instrument insertion channel having an opening formed at the distal end of the insertion section A grip for single operation provided separately from the grip portion to hold the treatment portion, and a treatment tool holding portion for holding the operation portion of the treatment tool passed from the treatment tool insertion port to the treatment tool insertion channel are provided. The operation of the treatment instrument operation unit held by the treatment instrument holding unit and the operation of the bending operation member can be performed with any finger of the hand holding the grip for single operation.
[0012]
The single operation grip may be provided detachably. In this case, the mounting direction of the single operation grip may be variable, and the treatment instrument holding part is integrated with the single operation grip. It may be provided and detachable together with the treatment instrument holding part.
[0013]
Moreover, the light source unit which generates the illumination light for illuminating the observation visual field may be detachably provided, and the single operation grip may be detachable from the light source unit mounting portion.
[0014]
Then, a bending operation adapter for operating the bending operation member with any finger of the hand holding the one-person operation grip may be detachably attached to the bending operation member.
[0015]
Furthermore, in addition to the operation of the treatment instrument operation section and the operation of the bending operation member, the suction operation for performing the suction through the treatment instrument insertion channel can be performed with any finger of the hand holding the grip for single operation. A suction operation adapter for making it possible may be detachably attached to the grip for single operation.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the drawings.
2 and 3 show the entire configuration of the endoscope in a state in which a holding adapter 20 described later is not attached. FIG. 2 is a side view and FIG. 3 is a rear view.
[0017]
An endoscope operation unit 10 is connected to the proximal end of the endoscope insertion unit 1, and the endoscope operation unit 10 is rotated by rotating the bending operation member 13 disposed in the endoscope operation unit 10. The bending portion 2 provided in the vicinity of the tip of 1 can be bent by an arbitrary angle.
[0018]
A treatment instrument insertion channel 3 is inserted through the entire length of the endoscope insertion portion 1, and a treatment instrument insertion port 3 a serving as an entrance of the treatment instrument insertion channel 3 is located in the vicinity of a connection portion with the endoscope insertion portion 1. It arrange | positions in the lower end part of the endoscope operation part 10 toward diagonally upward.
[0019]
In addition, a treatment instrument protrusion 3b that is an outlet of the treatment instrument insertion channel 3 is arranged on the most distal surface of the endoscope insertion portion 1 along with an observation window (not shown). Reference numeral 4 shown in FIG. 3 denotes a light guide for transmitting illumination light that illuminates the observation range.
[0020]
The endoscope operation section 10 is provided with a vertically long grip section 11 for an operator to hold with the third to fifth fingers, and an eyepiece section 12 is erected on the upper end. The bending operation member 13 described above is disposed on the rear surface side of the position between the grip portion 11 and the eyepiece portion 12. 14 is a pressure regulating valve having a check valve function for adjusting the pressure inside the endoscope.
[0021]
Reference numeral 30 denotes a light source unit with a built-in battery that generates illumination light for illuminating the observation visual field and enters the incident end 4 a of the light guide 4, from a position between the bending operation member 13 and the grip portion 11. It is provided so as to be detachable with respect to the light source receiving cap 15 projecting laterally.
[0022]
FIG. 4 is a plan view showing a state when such a light source unit 30 is removed 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 this 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.
[0023]
The connecting seat 27 disposed at the base of the holding adapter 20 includes a light guide member 24 built in the axial position, and a rotating female screw ring 28 that can be screwed to the light source base 15 and a light source unit 30. A fixed male screw ring 29 that can be screwed off is arranged.
[0024]
Therefore, the rotating female screw ring 28 and the fixed male screw ring 29 are respectively screwed with the counterparts, whereby the coupling seat 27 is sandwiched between the light source receptacle 15 and the light source unit 30 as shown in FIG. The illumination light emitted from the light source lamp 31 enters the incident end 4 a of the light guide 4 through the light guide member 24.
[0025]
6 and 7 are a plan view and a side view of the state in which the holding adapter 20 is attached to the endoscope operation unit 10 as described above. The endoscope operation unit 10 is bent from the connecting seat 27 into a crank shape. A portion near the tip of the stay 23 extending obliquely above the rear position of the rear is a substantially oval annular single-use grip 21.
[0026]
Further, the end portion of the one-side operation grip 21 near the endoscope operation unit 10 is connected to the proximal end of the treatment instrument that is inserted into the treatment instrument insertion channel 3 and extends from the treatment instrument insertion port 3a. A treatment instrument holding portion 22 for detachably holding a treatment instrument operation portion (not shown in FIGS. 6 and 7) is attached.
[0027]
Such a single-operation grip 21 can arbitrarily change the direction of attachment to the endoscope operation unit 10 by changing the direction of attachment of the coupling seat 27 to the light source base 15. Therefore, it is preferable to attach within a range of 90 ° to 150 ° with respect to the grip portion 11.
[0028]
FIG. 8 shows an example of the treatment instrument operation unit 41 attached to the treatment instrument holding unit 22, and is arranged at the distal end of the treatment instrument 40 by operating so as to change the interval between the two finger hooks 42 and 43. An operation wire for operating the distal treatment member that is being operated can be advanced and retracted.
[0029]
The treatment instrument holding portion 22 of this embodiment can hold one finger hook 42 formed in a bobbin ring shape, and as shown in an exploded view in FIG. The member 22a has a structure in which a spring C ring 22b is mounted.
[0030]
FIG. 10 is a cross-sectional view of a state in which the finger ring 42 of the treatment instrument operating unit 41 is fitted and held in the C ring 22b of the treatment instrument holding unit 22 configured as described above. The treatment instrument holding portion 22 can be engaged and disengaged while being elastically deformed.
[0031]
FIG. 1 shows a state in which the endoscope operating unit 10 according to the present embodiment is operated, and a pincushion-like finger hook 42 out of two finger hooks 42 and 43 of the treatment tool operating part 41 is held by the treatment tool holding part 22. By doing so, the other finger hook 43 is set to a position aligned next to the bending operation member 13.
[0032]
Then, the operator does not hold the grip portion 11 but holds the single-operation grip 21 with the left hand so that the grip portion 11 is horizontal or oblique. In this embodiment, the hand is held by the first finger, the fourth finger, and the fifth finger.
[0033]
Then, the second finger of the operator's left hand is engaged with the bending operation member 13 and the third finger is engaged with the finger hook 43, and the bending operation member 13 is operated in the arrow A direction with the second finger. The bending portion 2 can be bent at an arbitrary angle, and the distal treatment member of the treatment instrument 40 can be operated by operating the finger hook 43 in the arrow B direction with the third finger.
[0034]
As a result, the operator performs the advancing / retreating operation of the endoscope insertion portion 1 with the vacant right hand and the advancing / retreating operation of pushing the treatment instrument 40 into and out of the treatment instrument insertion port 3a. The bending operation and the operation of the treatment instrument operation unit 41 can be performed with the left hand holding the mirror operation unit 10.
[0035]
11 and 12 show a second embodiment of the present invention, in which a bending operation adapter 13X is detachably provided to the bending operation member 13. FIG. In this embodiment, the grip 21 for single operation is gripped with the first finger and the fifth finger, the treatment tool operation unit 41 is operated with the second finger, and the bending operation is performed with the third finger and the fourth finger. The adapter 13X can be operated.
[0036]
FIGS. 13 and 14 show a third embodiment of the present invention. Since the mounting direction of the holding adapter 20 with respect to the endoscope operation unit 10 is variable, the single operation grip 21 is in relation to the bending operation member 13. In this state, the bending operation adapter 13 is attached to the bending operation member 13.
[0037]
In this embodiment, the grip 21 for single operation is gripped with the third to fifth fingers, the bending operation adapter 13Y is operated with the first finger, and the treatment tool operation unit 41 is operated with the second finger. It can be performed.
[0038]
15 to 17 show a fourth embodiment of the present invention, and a suction operation adapter for operating the suction operation valve 19 when the suction operation valve 19 is disposed in the endoscope operation unit 10. 25 is attached to the grip 21 for single operation. The other configuration is the same as that of the third embodiment shown in FIGS.
[0039]
As shown in FIG. 17, the suction operation adapter 25 is configured such that the finger hooking portion 25a and the valve pressing portion 25b can be integrally rotated about the support shaft 25c. 20, the single finger grip 21 is gripped by the fourth finger and the fifth finger, the bending operation adapter 13 </ b> Y is operated by the first finger, and the finger hook 43 of the treatment instrument operation unit 41 is operated by the second finger. The suction operation adapter 25 can be operated with the third finger.
[0040]
The present invention is not limited to the above-described embodiment. For example, it is sufficient that the grip 21 for single operation is held by at least the fifth finger, and the holding adapter 20 is attached to the endoscope operation unit 10. It does not matter if it is not removable.
[0041]
Further, the present invention may be applied to an endoscope other than the type in which the light source unit 30 is attached to the endoscope operation unit 10.
[0042]
【The invention's effect】
According to the present invention, the operator performs the operation of the treatment instrument operation unit held by the treatment instrument holding unit and the operation of the bending operation member with any finger of the hand holding the grip for single operation. Therefore, while operating the treatment instrument with the right hand, you can operate the treatment instrument operation unit alone with the left hand that performs bending operations, etc. Even under the head, advanced endoscopy using the treatment tool can be easily performed without an assistant.
[Brief description of the drawings]
FIG. 1 is a side view of a use state of an endoscope operation unit according to a first embodiment of the present invention.
FIG. 2 is a side view showing an overall configuration in a state where a holding adapter is not attached to the endoscope of the first embodiment of the present invention.
FIG. 3 is a rear view showing an overall configuration in a state where a holding adapter is not attached to the endoscope of the first embodiment of the present invention.
FIG. 4 is a plan view partially showing in cross section a state when the holding adapter is attached to the endoscope operation section according to the first embodiment of the present invention.
FIG. 5 is a plan view partially showing a state in which the holding adapter is attached to the endoscope operation section according to the first embodiment of the present invention.
FIG. 6 is a plan view of a state in which a holding adapter is attached to the endoscope operation unit according to the first embodiment of the present invention.
FIG. 7 is a side view showing a state in which a holding adapter is attached to the endoscope operation unit according to the first embodiment of the present invention.
FIG. 8 is a perspective view of a treatment instrument and a treatment instrument holding unit according to the first embodiment of the present invention.
FIG. 9 is an exploded perspective view of the treatment instrument holding unit according to the first embodiment of the present invention.
FIG. 10 is a cross-sectional view of the treatment instrument holding portion of the first embodiment of the present invention in a state where a finger hook of the treatment instrument is held.
FIG. 11 is a side view showing a usage state of the endoscope operation unit according to the second embodiment of the present invention.
FIG. 12 is a plan view showing a state where the bending operation adapter is attached to the bending operation member according to the second embodiment of the present invention.
FIG. 13 is a side view showing a usage state of the endoscope operation unit according to the third embodiment of the present invention.
FIG. 14 is a plan view of an endoscope operation unit according to a third embodiment of the present invention.
FIG. 15 is a side view of the endoscope operating unit in use according to a fourth embodiment of the present invention.
FIG. 16 is a plan view showing a part of the endoscope operation unit of the fourth embodiment of the present invention cut away.
FIG. 17 is a perspective view of a single unit of a suction operation adapter according to a fourth embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Endoscope insertion part 2 Bending part 3 Treatment tool insertion channel 3a Treatment tool insertion port 4 Light guide 10 Endoscope operation part 11 Grip part 13 Bending operation member 13X, 13Y Bending operation adapter 20 Holding adapter 21 One-person operation grip 22 treatment tool holding part 25 suction operation adapter 30 light source unit 40 treatment tool 41 treatment tool operation parts 42 and 43

Claims (7)

The grip portion connected to the base end of the insertion portion and gripped by the operator, and provided near the one end side of the grip portion on the opposite side to the base end of the insertion portion. A bending operation member for remotely operating a bending portion formed in the vicinity of the distal end of the insertion portion, and a treatment instrument insertion port that is an inlet of a treatment instrument insertion channel having an opening formed at the distal end of the insertion portion are provided. In the endoscope operation section,
Provided extending from the vicinity of the one end side of the grip portion toward a direction perpendicular to the grip portion or an obtuse angle so that the endoscope operation portion can be held without holding the grip portion. A single-person grip,
A treatment instrument holding portion for holding an operation portion of the treatment instrument passed from the treatment instrument insertion port to the treatment instrument insertion channel;
The operation of the treatment instrument operation section held by the treatment instrument holding section and the operation of the bending operation member can be performed with any finger of the hand holding the one-person operation grip. A featured endoscope operation unit. The endoscope operation section according to claim 1, wherein the one-person operation grip is detachably provided. The endoscope operation section according to claim 2, wherein the mounting direction of the one-person operation grip is variable. The endoscope operation section according to claim 2 or 3, wherein the treatment instrument holding section is provided integrally with the one-person operation grip and is detachable together with the treatment instrument holding section. 5. A light source unit for generating illumination light for illuminating an observation visual field is detachably provided, and the one-person operation grip is detachably attached to a mounting portion of the light source unit. The endoscope operation section described. 6. The bending operation adapter for operating the bending operation member with any finger of the hand holding the one-person operation grip is detachably attached to the bending operation member. The endoscope operation unit according to the item. In addition to the operation of the treatment instrument operation section and the operation of the bending operation member, a suction operation for performing suction through the treatment instrument insertion channel is performed with any finger of the hand holding the one-person operation grip. The endoscope operation section according to any one of claims 1 to 6, wherein a suction operation adapter for enabling the attachment is detachably attached to the one-person operation grip.

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