JP6249463B1 - Endoscope holder - Google Patents

Abstract

An endoscope holder that can be swung while being fixed and held rotatably at a predetermined insertion position and that can be easily attached to an endoscope is provided. An endoscope holder (1) includes a holder main body (2) including an endoscope accommodating portion (4) for accommodating an endoscope (E) in a hollow square cylindrical shape having one open side, and an endoscope accommodating portion (4). Gripping members 5a and 5b for sandwiching the endoscope E housed in the housing, a first elastic member for biasing the gripping members 5a and 5b in a direction away from each other, and pressing the gripping member 5a in the direction of the gripping member 5b The pressing member 13 includes a switching mechanism that holds or releases the pressing state, a roller 9 provided on the gripping members 5a and 5b, and a second elastic member 12 that supports the gripping member 5b in a swingable manner. [Selection] Figure 3

Description

  The present invention relates to an endoscope holder.

  Conventionally, as an endoscope holder that fixes and holds an endoscope inserted into a body at a predetermined insertion position, a pair of semi-cylindrical clips provided at the distal end of an operation unit so as to be freely opened and closed, and the clips There is known one provided with a plurality of rotatable rollers extending in the length direction on the inner surface of the sheet (see Patent Document 1).

  When the endoscope is inserted into the body, the inside of the body may be observed at a predetermined insertion position or a necessary treatment may be performed, and in this case, it is desired to be fixed at the insertion position. Therefore, according to the conventional endoscope holder, the endoscope inserted into the body is held and held by the pair of semi-cylindrical clips so as to be fixed and held at a predetermined insertion position. be able to.

  In addition, it may be desired that the endoscope is rotated in order to observe the periphery of the endoscope or perform a necessary treatment while being fixed at the insertion position. At this time, according to the conventional endoscope holder, a plurality of rotatable rollers are provided on the inner surface of the clip, so that the endoscope fixed in the insertion position is rotated by the rollers. be able to.

JP-A-2015-198933

  In addition, it is desirable that the endoscope swings with respect to the axial direction in order to bring the distal end portion close to the intestinal wall, stomach wall, or the like while being fixed at the insertion position.

  In view of such circumstances, the present invention swings the endoscope that is fixed at the insertion position while the endoscope inserted into the body is rotatably fixed and held at a predetermined insertion position. Another object of the present invention is to provide an endoscope holder that can be easily attached to an endoscope.

  In order to achieve such an object, an endoscope holder according to the present invention is an endoscope holder that holds an endoscope inserted into a body fixed at a predetermined insertion position, and one side surface of which is opened. An endoscope housing portion comprising a holder main body having an endoscope housing portion for housing an endoscope inside a hollow rectangular tube, and a plate-like body extending in the length direction of the endoscope housing portion. The first and second gripping members that are in contact with the endoscope housed in the container and sandwich the endoscope, and the first and second gripping members are disposed between the first and second gripping members. A first elastic member that biases the two gripping members in a direction away from each other, and presses the first gripping member in the direction of the second gripping member against the biasing force of the first elastic member The pressing member, a switching mechanism for holding or releasing the pressing state by the pressing member, and the endoscope of the first and second gripping members Between the second gripping member and the inner wall of the endoscope accommodating portion, the second roller disposed rotatably on the surface along the length direction of the endoscope accommodating portion, and the second holding member. And a second elastic member for swingably supporting the gripping member with respect to the length direction of the endoscope housing portion.

  For example, when the endoscope holder is a hollow cylindrical body and includes a holder main body that does not have an opening on the side surface, when the endoscope holder is to be attached to the endoscope, the long endoscope A mirror must be inserted into the holder body from its tip. On the other hand, the endoscope holder of the present invention is a hollow rectangular tube whose one side is opened, and includes an endoscope housing portion for housing the endoscope. Therefore, according to the endoscope holder of the present invention, the opened side surface of the holder main body is caused to follow an arbitrary portion in the length direction of the endoscope, and the endoscope housing portion is formed from the opened side surface. The endoscope can be easily attached to the long endoscope by housing the endoscope.

  Moreover, the endoscope holder of the present invention includes first and second holding members made of a plate-like body extending in the length direction of the endoscope housing portion in the endoscope housing portion of the holder body. A first elastic member that urges the first and second gripping members in a direction away from each other is disposed between the first and second gripping members. Therefore, the first holding member is pressed in the direction of the second holding member against the urging force of the first elastic member by the pressing member, whereby the endoscope is held in the second holding state. Hold between the members. The pressing state by the pressing member is held by the switching mechanism. As a result, the endoscope holder of the present invention can hold the endoscope between the first and second gripping members, The inserted endoscope can be fixed at a predetermined insertion position.

  At this time, the first and second gripping members are provided with a roller along the length direction of the endoscope housing portion on the surface in contact with the endoscope, and the rollers are rotatable. ing. Therefore, the endoscope held between the first and second gripping members can be rotated while being fixed at a predetermined insertion position in the body by the roller.

  At this time, the second gripping member swings with respect to the length direction of the endoscope housing portion by the second elastic member disposed between the inner wall of the endoscope housing portion. It is held freely. Therefore, the endoscope held between the first and second gripping members remains fixed at a predetermined insertion position in the body, in other words, the length direction of the endoscope housing portion, in other words, the It can swing with respect to the axial direction of the endoscope.

  In the endoscope holder according to the present invention, the first gripping member can be restored to the original shape by the biasing force of the first elastic member when the pressing state by the pressing member is released by the switching mechanism. .

  The endoscope holder according to the present invention is disposed between the first holding member and the pressing member, and swings the first holding member with respect to the length direction of the endoscope housing portion. It is preferable to include a third elastic member that is freely supported.

  In the endoscope holder according to the present invention, it is preferable that the second elastic member is disposed at least at two locations along the length direction of the endoscope housing portion. Since the second elastic member is disposed in at least two locations along the length direction of the endoscope housing portion, the second gripping member can be stably swung.

  Since the endoscope holder of the present invention includes the third elastic member, the first gripping member is also swingable with respect to the length direction of the endoscope housing portion. The endoscope held between the first and second gripping members can be more easily swung with respect to the length direction of the endoscope housing portion.

  The endoscope holder of the present invention preferably includes a regulating member that regulates the first and second gripping members from approaching each other on the inner wall surface of the endoscope housing portion. In the endoscope holder according to the present invention, the endoscope is gripped excessively firmly between the first and second gripping members by including the restriction member on the inner wall surface of the endoscope housing portion. It is possible to prevent the endoscope from being damaged.

  In addition, the endoscope holder of the present invention includes a plurality of columnar members erected along a side surface facing the open side surface of the endoscope housing portion, while the first and second holding members It is preferable that a long hole portion through which the columnar member is inserted is provided, and the long hole portion has a gap at least in the length direction of the endoscope accommodating portion with respect to the columnar member.

  Since the first and second gripping members include the elongated hole portion, and the columnar member is inserted into the elongated hole portion, the columnar member is pressed when the pressing member is pressed or released. Can move along.

  On the other hand, when the first and second gripping members swing as described above, there is a concern that the swinging may be hindered by interference with the columnar member. However, in the endoscope holder according to the present invention, since the elongated hole portion has a gap at least in the length direction of the insertion hole with respect to the columnar member, the first and second gripping members swing. Sometimes, it can be avoided that the columnar member interferes with the first and second gripping members.

  In addition, the endoscope holder of the present invention includes an arm that supports the holder main body at an arbitrary position and posture, and the holder main body is integrally fixed to the distal end portion of the arm or is detachable from the distal end portion. It is preferable that it is attached to. The endoscope holder of the present invention can support the holder main body at an arbitrary position and posture according to various treatments or examinations by providing the arm.

  When the arm is provided, the endoscope holder of the present invention preferably includes an arm fixing means for detachably fixing the base end portion of the arm to the frame or rail portion of the bed or another fixing member. The endoscope holder according to the present invention includes the arm fixing means, thereby fixing the arm to a bed or the like, and holding the holder main body in an arbitrary posture at an arbitrary position in a space on the bed by the arm. Can do. Therefore, the endoscope holder of the present invention can hold the endoscope at an appropriate position and posture according to various situations of the patient on whom the procedure is performed.

  In the endoscope holder of the present invention, the endoscope may be an upper digestive tract endoscope or a lower (large intestine) endoscope.

The perspective view which shows the structure of the endoscope holder of this invention. The side view seen from the opening part direction of the endoscope holder of this invention shown in FIG. A is a cross-sectional view taken along line AA in FIG. 2, and B is a cross-sectional view taken along line BB in FIG. IV-IV sectional view taken on the line of FIG. The top view of the holding member shown in FIG. A is a perspective view showing a state in which the endoscope holder of FIG. 1 is used for a lower (large intestine) endoscope using an arm, and B is a side view seen from the patient's foot direction shown in A. FIG. The side view which shows the state by which the holder main body shown in FIG. 1 was integrally fixed to the front-end | tip part of an arm. 1A is a front view showing a state in which the holder main body shown in FIG. 1 is detachably attached to the tip of the arm, and FIG. The side view which shows the state by which the base end part of the arm was fixed to the bed with a rail with the clamp. The front view of the clamp shown in FIG. The side view which shows the state by which the base end part of the arm was fixed to the bed frame with the clamp. The front view of the clamp shown in FIG.

  Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

  As shown in FIG. 1, an endoscope holder 1 according to this embodiment includes a holder main body 2 made of a hollow rectangular cylindrical body, and the holder main body 2 includes an opening 3 on one side surface of the hollow rectangular cylindrical body. ing. And the holder main body 2 is provided with the endoscope accommodating part 4 in which the endoscope E inserted from the opening part 3 is accommodated in this hollow square cylindrical body.

  As shown in FIGS. 2 to 4, the endoscope holder 1 according to the present embodiment includes first and second grips made of a plate-like body extending in the length direction inside the endoscope housing portion 4. Members 5 a and 5 b and three columnar members 6 a, 6 b and 6 c erected along the side surface 2 a facing the opening 3 are provided. As shown in FIG. 3, each of the first and second gripping members 5 a and 5 b includes a cross-sectional arc-shaped surface 7 and a flat plate-like surface 8 connected to both ends of the arc-shaped surface 7. A pair of rollers 9 is rotatably provided on the arcuate surface 7 along the length direction of the endoscope housing portion 4.

  The flat surface 8 is provided with a long hole portion 10, and the columnar members 6 a, 6 b, 6 c are inserted through the long hole portion 10. As a result, the first and second gripping members 5a, 5b are movable along the columnar members 6a, 6b, 6c.

  Further, between the first and second gripping members 5a and 5b, a spring 11 as a first elastic member that biases the first and second gripping members 5a and 5b in a direction away from each other is a columnar member. 6b is used as an axis.

  The second gripping member 5 b is swingable with respect to the length direction of the endoscope housing portion 4 by a spring 12 as a second elastic member disposed between the bottom inner wall surface of the holder main body 2. Is held in. As shown in FIG. 4, in this embodiment, the springs 12 are provided at two locations along the length direction of the endoscope accommodating portion 4, but may be one location, and may be provided at three or more locations. Also good.

  On the other hand, the first gripping member 5a is provided in the length direction of the endoscope housing portion 4 via a pressing member 13 provided through the top surface of the holder body 2 via a spring 14 as a third elastic member. Is swingably connected. The spring 14 is built in the pressing member 13. Here, the first gripping member 5 a is pressed in the direction of the second gripping member 5 b against the urging force of the spring 11 by the pressing member 13. The spring 14 is not essential and may be omitted.

  For example, the pressing member 13 moves the first holding member 5a toward the second holding member 5b by a ratchet mechanism that locks the rack 15 provided on the side surface with a pawl 17 provided on a lever 16 serving as a switching mechanism. It is possible to hold the pressing state of pressing to. The lever 16 is urged toward the pressing member 13 by a spring 18. In the ratchet mechanism, when the pressing member 13 is pressed, the rack 15 presses the pawl 17, so that the pawl 17 moves away from the pressing member 13, and when the rack 15 passes the pawl 17, the pawl 17 is pressed again. It moves in 13 directions and is locked to the rack 15.

  Further, as shown in the arrow of FIG. 1, the lever 16 is operated in a direction away from the pressing member 13 against the urging force of the spring 18, thereby releasing the rack 15 from being locked by the pawl 17. This makes it possible to release the pressed state of the first gripping member 5a.

  In the present embodiment, the pressing member 13 and the switching mechanism are constituted by the ratchet mechanism. Or the like).

  The long hole portion 10 is provided on the flat plate-like surface 8 on one side of the arcuate surface 7 as shown in FIG. 5 as an example of the second gripping member 5b. The long hole portion 10 has columnar members 6 a and 6 c inserted at both ends thereof, and a bridge portion 19 at the center. The bridging portion 19 includes a round hole portion 19 a, and the columnar member 6 b is inserted into the round hole portion 19 a, while the end portion of the spring 11 is locked to the bridging portion 19. The long hole portion 10 is provided with a gap around the columnar members 6a and 6c, and the round hole portion 19a is provided with a gap around the columnar member 6b.

  In addition, the holder body 2 is a pair of upper and lower portions as a regulating member that regulates the proximity of the first and second gripping members 5a and 5b between the first and second gripping members 5a and 5b on the inner surface of the side surface 2a. The stopper 20 is projected. By providing the stopper 20, the endoscope E can be prevented from being excessively firmly held between the first and second holding members 5a and 5b, and the endoscope E can be prevented from being damaged. it can.

  Further, the endoscope holder 1 includes an arm 21 that supports the holder body 2 as shown in FIG. 6 as an example in which the endoscope E is a lower (large intestine) endoscope. The arm 21 is provided with a plurality of joints 22 to securely hold the holder body 2 supporting the endoscope E in an arbitrary position and posture, and is fixed to the bed 23 on which the patient P is side by arm fixing means 24. Fixed.

  As shown in FIG. 7, the holder body 2 may be integrally fixed to the distal end portion of the arm 21, or may be detachably attached to the distal end portion of the arm 21 as shown in FIG. 8. As a means for detachably attaching the holder body 2 to the tip of the arm 21, a clamp 26 that applies a clamping force by a torsion spring 25 can be used.

  As the arm fixing means 24, for example, as shown in FIGS. 9 and 10, a clamp 31 that fixes the base end portion of the arm 21 to the rail portion 27 of the bed 23 can be used. The clamp 31 includes a fixed portion 33 that is screwed to the proximal end portion of the arm 21 by a thumbscrew 32 and a movable portion 35 that is tightened in the direction of the fixed portion 33 by a butterfly screw 34 that is screwed to the fixed portion 33. The clamp 31 is fixed to the rail portion 27 with respect to the fixed portion 33 that is in contact with the lower portion of the rail portion 27, the movable portion 35 disposed on the upper side of the rail portion 27 is tightened with a thumbscrew 34 to fix the rail portion 27. It can be performed by being sandwiched between the portion 33 and the movable portion 35.

  Further, as the arm fixing means 24, as shown in FIGS. 11 and 12, a C-type clamp 36 for fixing the base end portion of the arm 21 to the frame 28 of the bed 23 can be used. The C-type clamp 36 includes a fixing portion 38 that is screwed to the base end portion of the arm 21 with a thumbscrew 37, and claw portions 39 a and 39 b that protrude in a direction perpendicular to the fixing portion 38 from both ends of the fixing portion 38. And a washer 41 that is tightened in the direction of the claw 39a by a thumbscrew 40 that is screwed into the claw 39b. The C-type clamp 36 is fixed to the frame 28 with a washer 41 by a thumbscrew 40 screwed into a claw 39b disposed on the lower side of the frame 28 with respect to a claw 39a abutted on the upper surface of the frame 28. The frame 28 can be clamped by the claw portion 39a and the washer portion 41.

  The arm fixing means 24 is not limited to fixing the arm 21 to the rail portion 27 or the frame 28 of the bed 23 as described above, and may be fixed to another fixing member such as a table or a desk.

  6 to 12, the case where the holder body 2 supported by the arm 21 is used with the lower (large intestine) endoscope attached as the endoscope E has been described. The endoscope holder 1 can also be used by attaching an upper gastrointestinal tract endoscope as the endoscope E to the holder body 2.

  Next, the operation of the endoscope holder 1 according to this embodiment will be described.

  As shown in FIG. 1, the endoscope holder 1 of the present embodiment has the opening 3 of the holder body 2 attached to an arbitrary portion in the length direction of the endoscope E, and the endoscope E is moved in the direction indicated by the arrow. It is attached to the endoscope E by being moved to and accommodated in the endoscope accommodating portion 4 through the opening 3.

  Next, when the pressing member 13 is pressed, the first and second gripping members 5 a and 5 b are guided by the columnar members 6 a, 6 b and 6 c and moved downward, and the first gripping member 5 a is biased by the spring 11. Against the second gripping member 5b. At this time, as described above, the rack 15 of the pressing member 13 is locked to the pawls 17 of the lever 16, so that the pressing state in which the first holding member 5a is pressed in the direction of the second holding member 5b is maintained. Then, the endoscope E is sandwiched and held between the first and second gripping members 5a and 5b. As a result, the endoscope E inserted into the body is fixed at a predetermined insertion position by the endoscope holder 1.

  At this time, the endoscope holder 1 includes a ratchet mechanism in which the rack 15 of the pressing member 13 is engaged with the pawls 17 of the lever 16, and the first gripping member 5a is stepped on the second gripping member 5b step by step. Can be close. As a result, regardless of the diameter of the endoscope E, the endoscope E can be reliably held between the first and second gripping members 5a and 5b.

  In the endoscope holder 1, the roller 9 is rotatably provided on the arcuate surfaces 7 of the first and second holding members 5 a and 5 b, so that the endoscope E is fixed at a predetermined insertion position. It can be rotated while standing.

  Further, in the endoscope holder 1, the first gripping member 5 a is held so as to be swingable in the length direction of the endoscope housing portion 4 by a spring 14 disposed between the pressing member 13 and the first holding member 5 a. The second gripping member 5 b is held so as to be swingable with respect to the length direction of the endoscope housing portion 4 by a spring 12 disposed between the bottom wall of the endoscope housing portion 4 and the inner wall of the endoscope housing portion 4. Therefore, the endoscope E can swing with respect to the axial direction while being fixed at a predetermined insertion position in the body.

  At this time, in the endoscope holder 1, the columnar members 6 a and 6 c are inserted through the long hole portions 10 provided in the first and second gripping members 5 a and 5 b, and the columnar member 6 b is the long hole portion 10. The long hole portion 10 has a gap around the columnar members 6a and 6c, and the round hole portion 19a has a gap around the columnar member 6b. It has. Therefore, even when the first and second gripping members 5a and 5b swing, the columnar members 6a, 6b and 6c can avoid interfering with the first and second gripping members 5a and 5b. The first and second gripping members 5a and 5b can be smoothly swung.

  DESCRIPTION OF SYMBOLS 1 ... Endoscope holder, 2 ... Holder main body, 3 ... Opening part (opened one side surface), 4 ... Endoscope accommodating part, 5a ... 1st holding member, 5b ... 2nd holding member, 6a, 6b, 6c ... columnar member, 9 ... roller, 10 ... long hole part, 11 ... spring (first elastic member), 12 ... spring (second elastic member), 13 ... pressing member, 14 ... spring (third) , 16 ... lever (switching mechanism), 21 ... arm, 31, 36 ... clamp.

Claims (8)

An endoscope holder for fixing and holding an endoscope inserted into a body at a predetermined insertion position,
A holder main body having an endoscope accommodating portion for accommodating an endoscope in a hollow square cylindrical shape whose one side surface is opened;
A first and a second member, each of which is made of a plate-like body extending in the length direction of the endoscope housing portion and is in contact with the endoscope housed in the endoscope housing portion to sandwich the endoscope; Two gripping members;
A first elastic member disposed between the first and second gripping members and biasing the first and second gripping members in a direction away from each other;
A pressing member that presses the first gripping member in the direction of the second gripping member against the biasing force of the first elastic member;
A switching mechanism for holding or releasing the pressing state by the pressing member;
A roller provided rotatably on a surface of the first and second gripping members that contacts the endoscope along the length direction of the endoscope housing portion;
The second gripping member is disposed between the second gripping member and the inner wall of the endoscope housing portion, and supports the second gripping member so as to be swingable with respect to the length direction of the endoscope housing portion. An endoscope holder comprising: an elastic member.   2. The endoscope holder according to claim 1, wherein the second elastic member is disposed at least at two locations along the length direction of the endoscope housing portion.   The endoscope holder according to claim 1 or 2, wherein the first holding member is disposed between the first holding member and the pressing member in a length direction of the endoscope housing portion. An endoscope holder comprising a third elastic member which is supported so as to be swingable with respect to the endoscope holder.   The endoscope holder according to any one of claims 1 to 3, wherein the first and second gripping members are restricted from coming close to an inner wall surface of the endoscope housing portion. An endoscope holder comprising:   In the endoscope holder according to any one of claims 1 to 4, while comprising a plurality of columnar members erected along a side surface facing the opened side surface of the endoscope housing portion, The first and second gripping members include a long hole portion through which the columnar member is inserted, and the long hole portion includes a gap at least in the length direction of the endoscope accommodating portion with respect to the columnar member. A featured endoscope holder.   The endoscope holder according to any one of claims 1 to 5, further comprising an arm that supports the holder body at an arbitrary position and posture, and the holder body is integrally fixed to a distal end portion of the arm. Or an endoscope holder that is detachably attached to the distal end portion.   7. The endoscope holder according to claim 6, further comprising arm fixing means for detachably fixing the base end portion of the arm to a frame or rail portion of the bed or another fixing member. .   The endoscope holder according to any one of claims 1 to 7, wherein the endoscope is an upper digestive tract endoscope or a lower endoscope.