JP5142187B2 - Medical microscope equipment - Google Patents

Description

  The present invention relates to a medical microscope apparatus. More specifically, the present invention relates to a medical microscope apparatus used in otolaryngology, ophthalmology, orthopedics, and the like.

  As a conventional medical microscope apparatus for outpatient treatment, for example, a microscope apparatus for otolaryngology, the one disclosed in Patent Document 1 is known. As shown in FIG. 9, the microscope apparatus 51 has a microscope operation head 52 attached to the tip of an articulated arm 53 via a ball joint 54 so as to be swingable and rotatable. The microscopic operation head 52 is a device for microscopically examining a patient's examination part. In each joint 53a of the multi-joint arm 53, generally, the arm members 53b are connected to each other so as to be rotatable in a vertical plane, and a lock knob 53c for locking the rotation of the joint 53a is provided. The arm member 53b is rotatable in a horizontal plane by a bearing member 55 interposed in a joint at a key point. As the articulated arm, a pantograph type that can maintain the horizontality of the arm member 53a at the tip is often adopted.

  A bearing member 55 is disposed at the distal end of the arm member 53b at the distal end of the multi-joint arm 53, and the ball joint 54 is rotatably supported by the bearing member 55 within a horizontal plane. The micro-operation head 52 can be moved to an arbitrary position by folding or extending or rotating the articulated arm 53.

  The microscopic operation head 52 is suspended from the tip of the arm member 53b by a ball joint 54 and a bearing member 55. The bearing member 55 is attached to the tip of the arm member 53b via a pivot member 56 so as to be swingable in a vertical plane. Further, the pivot member 56 is configured to be locked at an arbitrary swing angle by a lock knob 56a.

  As shown in FIGS. 10 and 11, the microscopic operation head 52 includes a mirror body 57 in which an optical system is accommodated, a head body 58 for positioning the mirror body 57, and a focusing operation (focusing is performed). And a focus mechanism 59 for performing focusing). 10 is a side view, and FIG. 11 is a view (rear view) as viewed from the eyepiece lens side. The optical axis 57 a of the mirror body 57 of the microscopic operation head 52 is obliquely downward from a plane P perpendicular to a straight line Y connecting the swing center (the center of the ball 61 of the ball joint) of the microoperation head 52 and the center of gravity. Inclined. The focus mechanism 59 is a mechanism for focusing on the test part or the like by moving the mirror body 57 relative to the head body 58 in the optical axis direction.

  Grip handles (hereinafter simply referred to as “handles”) 60 project from the left and right sides of the head main body 58. Here, “left and right” means left and right when the optical axis 57a of the mirror body 57 is the front-rear direction (hereinafter the same). The ball joint 54 is configured to be lockable when a built-in locking coil spring (not shown) presses the ball 61. Further, by operating a release lever 62 formed on one of the left and right handles 60, a built-in lock release mechanism releases the lock.

  The user grasps the handle 60 with both hands, releases the lock of the ball joint 54 with the release lever 62, and tilts the mirror body up and down to position the patient to the test portion. When the release lever 62 is released, the ball joint 54 is locked at the positioned swing position. Further, the optical system is focused on the test portion by manually operating the focus mechanism 60. In this way, the user observes the test portion of the subject in the sitting posture or the patient in the lying posture.

  However, in general, a ball joint has a relatively small swingable angle due to structural limitations. Therefore, as described above, an apparatus in which the operation head 52 is swingably mounted in the vertical plane by using the pivot member 56 at the tip of the arm member 53b may be used. By doing so, the mirror body 57 can be swung in the vertical direction by the ball joint 54 and the pivot member 56 in two stages, and the swingable range is increased.

However, this creates a new problem. In the case of observing the portion to be examined, a case where the mirror body 57 is greatly tilted downward from the horizontal state is taken as an example. The procedure is as follows. First, as shown by a two-dot chain line in FIG. 9, the entire lower portion is inclined from the position of the pivot member 56 and then fixed by the lock knob 56a. Next, the microscopic operation head 52 below is swung from the position of the ball joint 54 to finely adjust the tilt angle. In this case, when the lock of the ball joint 54 is released by operating the release lever 62 to make it free, the microscopic operation head 52 rotates from the ball joint 54 portion in an attempt to become a vertical state by its own weight. Since the microscopic operation head 53 generally has a weight of about 5 kg, the rotational force is large. In such a state, it is not easy to finely adjust the mirror body to a suitable inclination angle.
JP-A-2005-319124

  The present invention has been made to solve such a problem, and an object of the present invention is to provide a medical microscope apparatus that can easily tilt a mirror body and finely adjust a tilt angle.

The medical microscope apparatus of the present invention is
A microscope body having an optical system for observing the object;
It is equipped with a ball joint for hanging this mirror body so that it can swing.
The ball joint includes a ball member composed of a shaft portion and a ball, a socket for housing the ball, and an operation member formed integrally with the socket,
The operation member includes a posture control mechanism for positioning the socket and the operation member with respect to the ball member,
The mirror body is connected to the operation member via an inclined positioning member,
The inclined positioning member, the optical axis of the mirror body, the mirror body is configured to be fixed at different tilt angles is tilted in a vertical plane when it is suspended by a ball joint.

  According to such a microscope apparatus, the mirror body tilts in the vertical plane with respect to the ball joint. The vertical plane indicating the tilt direction refers to the tilt direction in a state where the mirror body is suspended by the ball joint. Therefore, for example, the optical axis of the mirror body can be tilted downward from the horizontal, or tilted forward or backward from the vertical without rotating from the ball joint portion or the like. In such a case, even when the ball joint is unlocked so as to be tilted further in any direction, the force that the microscope tries to rotate by its own gravity is small. Therefore, it is easy to greatly tilt the mirror body and finely adjust the tilt angle. Further, a pivotal support member that can swing up and down at the tip of the articulated arm as in the above-described prior art is not necessary. An articulated arm or the like can be adopted as the attachment target.

The operating unit can be made to release the and lock to lock the oscillation of the ball joint with a single touch. With this configuration, even when the tilt angle is further finely adjusted after the mirror body is tilted and fixed in the vertical plane with respect to the ball joint, this can be easily performed.

A focus mechanism is provided between the tilt positioning member and the mirror body for moving the mirror body in the optical axis direction thereof to focus, and the focus mechanism is tilted integrally with the mirror body. It is possible to connect to the tilt positioning member . By doing so, even if the mirror is tilted, the focus mechanism is also tilted integrally with the mirror, so that a normal focusing operation that always moves the mirror in the optical axis direction is possible.

  The mirror body can be detachably connected to the lower member of the operation member.

The focus mechanism is pivotally supported by a pivot shaft extending in the horizontal direction in a direction perpendicular to the optical axis direction of the mirror body with respect to the operation member. It can comprise so that it can fix to the said inclination positioning member in each. The direction perpendicular to the optical axis direction of the mirror body means that the directions are perpendicular to each other regardless of whether the central axis of the pivot shaft intersects with the optical axis of the mirror body. is there.

  The operation member can be provided with a pair of grip handles protruding toward the left and right sides of the mirror body.

  According to the present invention, it is easy to finely adjust the tilt of the mirror body and the tilt angle with a simple configuration and low cost.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a side view of a medical microscope apparatus (hereinafter simply referred to as a microscope apparatus) 1 according to an embodiment of the present invention in a state in which the optical axis of the optical system is oriented in the horizontal direction. FIG. 2 is a side view showing a state in which the optical axis is inclined downward. FIG. 3 is a perspective view showing the microscope apparatus 1 of FIG. FIG. 4 is a perspective view showing the microscope apparatus 1 of FIG. FIG. 5 is a partial sectional side view showing the microscope apparatus 1. FIG. 6 is a front view showing the microscope apparatus 1.

  This microscope apparatus 1 is attached to the tip of a pantograph-type multi-joint arm 53 in the prior art described with reference to FIG. Of course, other types of articulated arms may be employed. The ball joint 2 is suspended from the tip of the articulated arm 53. A focus mechanism 3 and a mirror body 4 of a microscope are connected to the lower part of the ball joint 2. The mirror body 4 contains an optical system for magnifying and observing a portion to be examined. The focus mechanism 3 moves the mirror body 4 back and forth in the direction of the optical axis 4a. The mirror body 4 is moved forward and backward in the direction of the optical axis 4a toward the test portion, thereby focusing on the test portion.

  The ball joint 2 includes a ball member 6, a socket 7, and an operation member 5. The ball member 6 includes a shaft portion 6a attached downward to the tip of the articulated arm 53, and a ball 6b formed integrally with the lower end of the shaft portion 6a. The socket 7 is formed integrally with the upper portion of the operation member 5 and accommodates the ball 6b so as not to be detached and rotatable. Since the socket 7 can swing with respect to the ball 6b, the operation member 5 integrated with the socket 7 can also swing with respect to the ball 6b.

  The operation member 5 is equipped with a socket 7 and a posture control mechanism (not shown) for positioning the operation member 5 with respect to the ball member 6 of the ball joint 2. The focus mechanism 3 is connected to the lower surface of the operation member 5 via an inclination positioning member 23 described later. By interposing the tilt positioning member 23, the focus mechanism 3 is configured to be tiltable in the vertical direction with respect to the ball joint 2. As a result, the mirror body 4 can also be tilted up and down. The focus mechanism 3 can be fixed to the operation member 5 of the ball joint 2 together with the mirror body 4 at a predetermined inclination angle. When changing the tilt angle, the focus mechanism 3 and the ball joint 2 need not be separated.

  On the lower surface of the focus mechanism 3, a dovetail groove 8 is formed for detachably connecting the mirror body 4. On the upper surface of the mirror body 4, an umbilicus 9 that fits in the dovetail groove 8 is formed. The dovetail groove 8 and the umbilicus 9 are formed so that their axial directions are perpendicular to the optical axis 4 a of the mirror body 4. A fixing screw 10 can be screwed into the dovetail groove 8 in the wall portion forming the dovetail groove 8, and its tip engages with an engagement groove 9 a formed in the side portion of the navel 9. Can do. With this structure, detachment of the navel 9 from the dovetail 8 is prevented. Note that a umbilicus may be formed on the lower surface of the focus mechanism 3 and a dovetail groove may be formed on the upper surface of the mirror body 4.

  As shown in FIGS. 3, 4, and 6, operation handles 11 </ b> L and 11 </ b> R that are gripped by the user are projected outward on the left and right sides of the operation member 5. Both the operation handles 11L and 11R are directed obliquely downward by about 45 ° from the horizontal. Both the operation handles 11L and 11R are formed so as to be symmetrical with respect to a vertical plane passing through the optical axis 4a of the mirror body 4 and the swing center of the ball joint 2 (center of the ball 6b). It is preferable from the viewpoint.

  As is apparent from FIG. 5 as well, the attitude control mechanism is a mechanism for locking and preventing the ball joint 2 from swinging and rotating, and a releasing operation for releasing the lock. As this attitude control mechanism, a mechanism similar to that disclosed in Patent Document 1 described above may be used. Specifically, a compression coil spring 12 is provided as a lock member that presses the ball 6b of the ball member 6 against the inner surface of the socket 7 to lock its movement. The compression coil spring 12 presses the ball via the pressing member 13. A link mechanism (not shown) for releasing the pressing force of the compression coil spring 12 by lever force is provided as a lock release mechanism.

  One operation handle 11R is provided with a release lever 14 for operating the lock release mechanism. When the user holds the release lever 14 together with the operation handle 11R, the compression coil spring 12 is further compressed via the link mechanism and the pressing force to the ball 6b is released, so that the ball joint 2 is unlocked. . If the pressing of the release lever 14 is released, the ball joint 2 is locked again. In this way, the ball joint 2 can be locked and released with one touch. Further, the lock release mechanism is not limited to the pressing type release lever 14. For example, a mechanism may be used in which the above-described compression coil spring 12 is further compressed by twisting one of the left and right operation handles around its central axis to release the lock.

  The operation handle 11R with the release lever 2 is configured to be used for both right-handed and left-handed by rotating 180 ° around its central axis and reattaching it, as disclosed in Patent Document 1 described above. Also good. The posture control mechanism is not limited to the mechanism described above, and other known mechanisms may be used.

  FIG. 5 shows the focus mechanism 3. This focus mechanism 3 moves the mirror body 4 back and forth in the direction of its optical axis 4a by a feed screw method, and is configured as follows. The focus mechanism 3 includes an upper portion 16 and a lower portion 17 that move relative to each other in the direction of the optical axis 4 a of the mirror body 4. That is, the upper portion 16 is a portion (fixed side portion) 16 fixedly connected to an inclination positioning member 23 described later, and the lower portion 17 is a portion (movable side portion) that can move in the direction of the optical axis 4a integrally with the mirror body 4. ) 17. A nut member 18 is fixed to the fixed side portion 16 so that a central axis 18 a thereof is parallel to the optical axis 4 a of the mirror body 4. A screw rod 19 that is screwed into the nut member 18 is disposed on the movable portion 17 so that the central axis 19 a thereof is parallel to the optical axis 4 a of the mirror body 4. An operation dial 21 is connected to the screw rod 19 via a bevel gear mechanism 20. As the bevel gear mechanism 20, a bevel gear, a spiral bevel gear, a hypoid gear, or the like can be used. Further, the invention is not limited to bevel gears, and cross-axis face gears, various worm gears, racks and pinions, and the like may be employed.

  As shown in FIG. 6, two guide rods 22 are arranged on the movable side portion 17 in parallel with the screw rod 19. The guide rod 22 is inserted through a guide hole formed at a corresponding position of the fixed side portion 16. When the operation dial 21 is operated, the screw rod 19 is rotated via the bevel gear mechanism 20. As a result, the screw rod 19 moves back and forth in the axial direction by the action of the fixing nut member 18, so that the movable portion 17 moves in the direction of the mirror optical axis 4a together with the mirror 4 and the operation dial 17, thereby enabling focusing. It becomes.

  Next, the above-described tilt positioning member 23 will be described. The tilt positioning member 23 is a member for tilting the focus mechanism 3 and the mirror body 4 with respect to the ball joint 2 and fixing them at an appropriate tilt angle. The tilt positioning member 23 includes a holding member 24 having a U-shaped cross section, and a rotating member 25 pivotally supported by a pivot shaft 26 on the rear end side of the holding member 24. Here, “rear” at the rear end is the eyepiece 28 side in the direction of the optical axis 4 a of the mirror body 4, and “front” is the objective lens 29 side. The turning member 25 can turn around the pivot shaft 26 inside the U-shaped holding member 24.

  The holding member 24 is fixed to the horizontal lower surface of the operation member 5 of the ball joint 2. The rotating member 25 is fixed to the upper surface of the focus mechanism 3. When the rotating member 25 is in the uppermost position, the optical axis 4a of the mirror body 4 integrated therewith is in the horizontal direction. Here, “horizontal” refers to the posture when the microscope body 4 is suspended through the ball joint 2 as shown in FIGS. The pivot shaft 26 is disposed in the horizontal direction perpendicular to the optical axis 4 a of the mirror body 4. Therefore, when the rotating member 25 rotates around the pivot shaft 26, the optical axis 4a of the mirror body 4 tilts in the vertical plane. The tilting direction is a direction in which the front part (objective lens side) of the mirror body 4 changes vertically. When the rotating member 25 is rotated to the lowest inclined position, the optical axis 4a of the mirror body 4 is inclined downward by about 40 ° from the horizontal. Of course, this inclination angle is not limited to 40 ° and can be arbitrarily determined. As shown in FIGS. 1 to 4, the rotating member 25 is fixed to the holding member 25 by a stop bolt 27 at each of the uppermost position (the optical axis 4 a is horizontal) and the lowermost inclined position.

  In this embodiment, as shown in FIGS. 1 and 2, the pivot point in the side view of the microscope, that is, the position of the pivot shaft 26 is a vertical line passing through the swing center of the ball joint 2 (center of the ball 6b). It is located behind V. Then, the mirror body 4 tilts between a horizontal state and a state in which the front portion faces downward. However, it is not limited to this configuration. For example, the pivot point may be positioned on the vertical line V passing through the center of the ball 6b, or may be positioned in front of it. Further, in the present embodiment, the mirror body 4 is configured to be tiltable between a horizontal state and a state directed downward by a predetermined angle. However, it is not limited to this configuration. It is also possible to set a tilt angle range that can be used according to the actual usage of the microscope apparatus. For example, the range is horizontal ± 20 °, horizontal + 10 ° to horizontal −30 °, horizontal −10 ° to horizontal −50 °, and the like. The above + symbol indicates the upper side, and the − symbol indicates the lower side.

  In the present embodiment, the pivot shaft 26 is not easily removed. Therefore, the holding member 24 and the rotating member 25 are not inadvertently separated. This prevents the focus mechanism 3 and the mirror body 4 from being separated from the operation member 5 during the tilting operation. In the present embodiment, the rotating member 25 is configured to be screwed to the holding member 24 at each of the uppermost position and the lowermost inclined position. Of course, it is easy to configure so as to be fixed not only at the uppermost position and the lowermost inclined position but also at any intermediate position between them. With this configuration, the focus mechanism 3 and the mirror body 4 are integrally tilted up and down, and are fixed to the operation member 5 at a predetermined tilt position. Therefore, even if the inclination angle of the mirror body 4 is changed, the movement of the mirror body 4 by the focus mechanism 3 is in the direction of the optical axis 4a, and normal focusing is possible.

  In the present embodiment, the tilt positioning member 23 is interposed so that the focus mechanism 3 and the mirror body 4 can be tilted vertically with respect to the operation member 5 with the pivot shaft 26 as the center. When the microscope apparatus 1 of this embodiment provided with the tilt positioning member 23 is compared with a conventional microscope apparatus that swings around the ball joint ball, there are the following two structural differences.

  First, the focus mechanism 3 and the mirror body 4 are positioned below the tilt positioning member 23, and the total weight of the focus mechanism 3 and the mirror body 4 is a constituent member below the swing center (ball center of the ball joint) in the prior art. Much less than the total weight of. For example, it is about 5 kg in the prior art, whereas it is about 2 kg in the above embodiment.

  Second, in order to incline the mirror body, the lower part is swung downward from the center position of the ball in the prior art. In this embodiment, however, from the position of the pivot shaft 26 of the inclination positioning member 23 as shown in FIG. Tilt the bottom. Therefore, the vertical distance from the center of swinging (tilting) to the position of the center of gravity of the rocking (tilting) portion is much shorter in this embodiment. As a result, in this embodiment, when the mirror is tilted by the same angle as compared with the prior art, the distance that the center of gravity position is separated from the vertical line passing through the center of the swing (tilt) in the horizontal direction is much longer. small.

  From the above two differences, in the microscope apparatus 1 of the present embodiment, when the ball joint 2 is unlocked by holding the release lever 14 to finely adjust the tilt angle of the mirror body 4, the tilted portion. The force that tries to return to its original position by gravity is much smaller than that of the prior art. As a result, fine adjustment of the tilt angle of the mirror body is facilitated.

  Further, in the microscope apparatus 1 of the present embodiment, the mirror body 4 can be tilted in two stages, that is, the tilt positioning member 23 and the ball joint 2, so that the tilt angle can be made much larger than that of the prior art. . Of course, when it is attached to the articulated arm 53 having the pivot member 56 at the tip as shown in the figure, the mirror body 4 can be inclined in three stages.

  FIG. 7 shows another microscope apparatus 31. This microscope apparatus 31 is called a staring type, and is for observing, for example, a subject in a recumbent posture downward from above. On the other hand, the above-described microscope apparatus 1 of FIGS. 1 to 6 is called a direct view type, and is for observing a subject in an upright posture or a sitting posture from substantially the side. Therefore, the microscope device 31 is different from the direct-view microscope device 1 of FIGS. 1 to 6 in that the mounting posture of the focus mechanism 33 and the mirror body 34 with respect to the ball joint 2 is different. That is, the microscope apparatus 31 of FIG. 7 is configured such that the optical axis 34a of the mirror body 34 can be inclined by a predetermined angle from the vertically downward direction to the front-rear direction.

  The ball joint 2 including the operation member 5 is the same as that of the microscope apparatus 1 shown in FIGS. For example, the focus mechanism 34 has a fixed side portion and a movable side portion, and the movable side portion is configured to be integrated with the mirror body 34 and movable in the optical axis direction of the mirror body 34. Accordingly, the same components are denoted by the same reference numerals, and detailed description thereof is omitted. 7A is a view in which the optical axis 34a of the mirror body 34 is inclined from the vertically downward direction to the rear side (the eyepiece lens 28 side), and FIG. 7B is a view in which the optical axis 34a is inclined from the vertically downward direction to the front side (objective lens 29). FIG.

  Next, a portion of the microscope apparatus 31 having a configuration different from that of the above-described microscope apparatus 1 will be specifically described. In the illustrated mirror body 34, the optical axis 28 a of the eyepiece 28 and the optical axis (optical axis of the mirror body) 34 a of the objective lens 29 are bent by a prism 35 built in the mirror body 34. This is to facilitate the observation of the examiner. Further, the tilt positioning member 36 that connects the operation member 5 of the ball joint 2 and the focus mechanism 34 so as to be tiltable is attached to the front surface instead of the lower surface of the operation member 5 as shown in the figure.

  The inclined positioning member 36 has a holding member 37 and a rotating member 38 having a U-shaped cross section. The back surface of the holding member 37 is fixed to the vertical front surface of the operation member 5. The back surface of the rotating member 38 is fixed to a substantially vertical surface of the fixed side portion of the focus mechanism 33. As a result, the central axes of the nut member 18 and the screw rod 19 (not shown) of the focus mechanism 34 extend substantially in the vertical direction. The rotating member 38 is pivotally supported in the vicinity of the upper end of the holding member 37 by the pivot shaft 39 at the vicinity of the upper end thereof. With this configuration, the rotation member 38 can rotate around the pivot shaft 39 inside the U-shaped holding member 37.

  As shown in the figure, the holding member 37 and the rotation member 38 are gradually narrowed in width when viewed from the upper end to the lower end. The pivot shaft 39 is disposed at the substantially central portion in the width direction near the upper end. In the vicinity of the lower end of the holding member 37, an arc-shaped fixing piece 40 centering on the pivot shaft 39 is integrally formed. With this configuration, the holding member 37 and the rotating member 38 are configured to open and close as if they are below each other across the vertical line. As a result, the mirror body 34 connected to the rotation member 38 via the focus mechanism 33 can be rotated by a predetermined angle back and forth with its optical axis as the center in the vertical direction. The rotation angle can be arbitrarily set, for example, in the range of vertical ± 20 °, in the range of vertical + 10 ° to vertical −30 °, in the range of vertical −10 ° to vertical −50 °, and the like. The + symbol indicates the front and the-symbol indicates the rear. In this embodiment, the rotating member 38 is fixed to the fixing piece 40 of the holding member 37 by the stop bolt 41 at each of the closed position and the maximum opened position. The fixing piece 40 and the set bolt 41 are an example of a fixing method, and other methods can be adopted.

  In the present embodiment, the tilt positioning member 36 is attached to the front surface of the operation member 5, but this is an example, and the present invention is not limited to the front surface.

  In the embodiment described above, since the ball joint 2 has the operation member 5, the ball joint 2 can be locked or unlocked by a one-touch operation of the release lever 14. However, the present invention is not limited to such a configuration. A more general ball joint, for example, a type in which the rocking connection of the ball joint 43 is locked by a lock knob 44 as shown in FIG. In the illustrated microscope apparatus 42, the ball joint 43 is not provided with an operation member, and is locked by tightening the lock knob 44 and pressing the ball 46a, and releasing the lock by loosening.

  In this microscope apparatus 42, the socket 45 side of the ball joint 43 is attached to an attachment target such as an articulated arm, and the focus mechanism 3 or mirror is attached to the ball member 46 side, contrary to the microscope apparatuses 1 and 31 of FIGS. A body 4 is attached. The difference between the microscope apparatus 42 and the microscope apparatus 1 of FIG. 1 is only the ball joint 43, and the other configurations are the same, so the same reference numerals are given and the description thereof is omitted. Further, the socket 45 with the lock knob 44 is disposed below and a focus mechanism and a mirror are connected thereto, and the ball member 46 is disposed above and connected to an articulated arm or the like in the same manner as in FIGS. May be.

  In this microscope apparatus 42, the focus mechanism 3 is connected to the lower surface of the ball joint 43 via the tilt positioning member 23 as in the microscope apparatus 1 of FIG. 1. However, it is not limited to such a configuration. For example, the focus mechanism 3 may be connected to the front surface of the ball joint 43 or the like as in the microscope apparatus 31 of FIG.

  The microscope apparatus of the present invention can be easily and greatly tilted with respect to the optical axis of the mirror body, and thus can be easily adapted to a subject in a sitting posture or a lying posture, and thus is useful in a wide range of fields.

It is a side view which shows the state in which the part of the mirror body in the medical microscope apparatus which is one Embodiment of this invention is substantially horizontal. It is a side view which shows the state which the mirror body of the microscope apparatus of FIG. 1 inclined diagonally downward. FIG. 2 is a perspective view illustrating a state in which a mirror body of the microscope apparatus of FIG. 1 is substantially horizontal. It is a perspective view which shows the state in which the mirror body of the microscope apparatus of FIG. 1 inclined diagonally downward. It is sectional drawing which shows the operation member of the microscope apparatus of FIG. It is a front view of the microscope apparatus of FIG. FIG. 7A shows a medical microscope apparatus according to another embodiment of the present invention, in which FIG. 7A shows a state in which the part of the mirror body is slightly inclined backward from the vertical, and FIG. This part shows a state where it is slightly inclined forward from the vertical. It is a front view of the medical microscope apparatus which is further another embodiment of this invention. It is a side view which shows an example of the conventional medical microscope apparatus. It is a side view which shows the part of the microscope operation head in the medical microscope apparatus of FIG. It is a rear view of the microscopic operation head of FIG.

Explanation of symbols

1 Microscope device
2 Ball joint
3 Focus mechanism
4 mirror body
5 Operation members
6 Ball member
6b ball
7 Socket
8 Ant groove
9 Umbilical 10 Fixing screw 11L, 11R Operation handle 12 Compression coil spring 13 Press member 14 Release lever 16 Fixed side portion 17 Movable side portion 18 Nut member 19 Screw rod 20 Bevel gear mechanism 21 Operation dial 22 Guide rod 23 Inclined positioning member 24 Holding member 25 Rotating member 26 Pivoting shaft 27 Locking bolt 28 Eyepiece lens 29 Objective lens 31 Microscope device 33 Focus mechanism 34 Mirror body 35 Prism 36 Tilt positioning member 37 Holding member 38 Rotating member 39 Pivoting shaft 40 Fixed piece 41 Stopping Bolt 42 Microscope device 43 Ball joint 44 Lock knob 45 Socket 46 Ball member

Claims (6)

A microscope body having an optical system for observing the object;
A ball joint for swinging down the mirror body to be mounted;
The ball joint includes a ball member composed of a shaft portion and a ball, a socket for housing the ball, and an operation member formed integrally with the socket,
The operation member includes a posture control mechanism for positioning the socket and the operation member with respect to the ball member,
The mirror body is connected to the operation member via an inclined positioning member,
The inclined positioning member, the optical axis of the mirror body, the mirror body is configured to be fixed at different tilt angles is tilted in a vertical plane when it is suspended by a ball joint, medical Microscope device. It said operating member, one touch is for releasing the and lock to lock the oscillation of the ball joint, medical microscope apparatus according to claim 1. A focus mechanism is provided between the tilt positioning member and the mirror body so as to move the mirror body in the optical axis direction so as to be focused , and the focus mechanism is integrated with the mirror body. 3. The medical microscope apparatus according to claim 1, wherein the medical microscope apparatus is connected to the tilt positioning member so as to tilt .   The medical microscope apparatus according to claim 3, wherein the mirror body is detachably connected to the focus mechanism. The focus mechanism is pivotally supported by a pivot shaft extending in the horizontal direction in a direction perpendicular to the optical axis direction of the mirror body with respect to the operation member, and has different rotational angular positions. The medical microscope apparatus according to claim 3 or 4, wherein each of the medical microscope apparatuses is configured to be fixed to the inclined positioning member .   The medical microscope apparatus according to any one of claims 1 to 5, wherein the operation member includes a pair of grip handles protruding toward the left and right sides of the mirror body.

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