JP2968513B1 - Stand device with monitor - Google Patents

Abstract

The present invention provides a stand device with a monitor that facilitates confirmation of a tomographic image. SOLUTION: A monitor device M capable of displaying a tomographic image by CT or MRI is supported near a medical microscope P, so that a doctor can check the tomographic image during the operation without interrupting the operation. .

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stand device for supporting a heavy medical microscope at a desired spatial position, and more particularly to a monitor device supported near a medical microscope to enhance operability. It is.

[0002]

2. Description of the Related Art In the fields of brain surgery and heart surgery,
There is a so-called microsurgery (PICROSURGERY) for performing an operation while observing an affected part with a medical microscope. In such microsurgery, various stand devices are used to hold a heavy operation microscope at a desired air position (for example, see Japanese Patent Application Laid-Open No. 56-32110).

[0003] Such microscopic surgery is generally performed based on tomographic image information such as CT and MRI. This type of tomographic image is projected on a projector installed on the wall of the operating room, and the operation site (lesion position) is specified from the tomographic image displayed there, and the specific site is enlarged using a medical microscope. I am undergoing surgery. The confirmation of the tomographic image is sometimes performed even during the operation, and confirms whether or not the operation site is shifted from the specified position.

[0004]

However, in such a conventional technique, a tomographic image obtained by CT, MRI, or the like is displayed on a projector installed on a wall of an operating room. The doctor had to remove his hand from the medical microscope and interrupt the operation to check the images. Therefore, the operation time is lengthened, and the burden on the doctor and the patient is correspondingly increased.

The present invention has been made by paying attention to such a conventional technique, and provides a stand device with a monitor that allows easy confirmation of a tomographic image.

[0006]

According to the first aspect of the present invention,
A part of the one vertical link in a parallel link formed by combining a pair of parallel vertical links and horizontal links is supported at a pivot point of a gantry installed on the floor,
The upper horizontal link of the parallel link is extended to form a support arm, and the medical microscope is supported at the lower end of a substantially vertical distal arm pivotally supported at the distal end of the support arm, and the parallel link serving as a starting point of the support arm The connecting shaft, a crank member having a horizontal fulcrum located on the same horizontal line as the connecting shaft and a vertical fulcrum located on the same vertical line as the connecting shaft, is supported, and the horizontal fulcrum of the crank member and A part thereof is connected by a vertical sub-arm which is parallel to the vertical link of the parallel link and has the same length as the length from the connection axis of the vertical link to the rotation fulcrum. And a horizontal sub-arm which is parallel to the support arm and has the same length as the support arm, and a lower portion of the parallel link is provided in a direction in which the parallel link falls about the pivot point. A counterweight for offsetting the weight of the medical microscope and stopping the medical microscope in the air, and a monitor device capable of displaying a tomographic image by CT or MRI near the medical microscope at the lower end of the tip arm. It is a thing which supported.

According to the first aspect of the present invention, a monitor device capable of displaying a tomographic image by CT or MRI is supported near the medical microscope, so that the doctor can perform the tomographic image without interrupting the operation during the operation. Can be confirmed. The vertical state of the distal arm supporting the medical microscope is maintained by moving the medical microscope to any position by the functions of the sub-arms and the like. Since the monitor device is supported by the arm, the direction of the monitor device does not change. Therefore, it is easy to confirm the monitor device.

According to the invention of claim 2, the lower end of the tip arm is rotatable in a horizontal direction about a vertical axis, and the lower end supports a medical microscope and a monitor device.

According to the second aspect of the present invention, since the monitor device rotates in the same manner as the medical microscope, the relative position between the medical microscope and the monitor device does not change, and the monitor device is confirmed. easy.

According to the third aspect of the present invention, the monitor device is detachable.

According to the third aspect of the present invention, since the monitor device is detachable, in the case of an operation that does not require a tomographic image, it can be used with the monitor device removed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to FIGS. In the stand device of this embodiment, a part (intermediate portion 4a) of the holding link mechanism 4 including the first parallel link 2 and the second parallel link 3 is pivotally supported on the pivot point S of the gantry 1. Basic structure having a counterweight W for holding the medical microscope P on the distal end side of a support arm 5 formed by extending the upper horizontal arm 2a of the parallel link 2 to the front side and balancing the second parallel link 3 It has a structure. The support arm 5 is curved upward and has a structure that does not easily interfere with the head of the doctor.

Specifically, a vertical tip arm 6 is pivotally supported at the tip of the support arm 5, and the tip arm 6 is provided with a lower end 6a rotatable about an axis α. A small supporting parallel link 7 in which two parallel links are linked is provided at the lower end 6a. And
The medical microscope P is held at the lowermost portion of the support parallel link 7, and the observation angle of the medical microscope P can be changed by deforming the support parallel link 7.

An L-shaped crank member 8 is pivotally supported at a connection point 5 a which is a starting point of the support arm 5. One end of the crank member 8 is connected to the distal arm 6 via a lateral sub-arm 9. The other end is connected to the gantry 1 via the vertical sub-arm 10. Even if the holding link mechanism 4 rotates about the rotation fulcrum S by such a crank member 8 and the horizontal and vertical sub-arms 9 and 10,
Since the crank member 8 does not rotate, the distal arm 6 is always maintained in a vertical state, and as a result, the medical microscope P
The supporting parallel link 7 for supporting the vertical direction does not fall down, and the vertical state is always maintained. On the other hand, since the second parallel link 3 is provided with a counterweight W that is balanced with the weight of the medical microscope P, the medical microscope P remains in the air and stops even if the hand is released from the medical microscope P. It will be in the state of having done.

This medical microscope P is, as described above,
The supporting parallel link 7 is rotatable about the axis α, but can also be moved in two directions X and Y orthogonal to each other in the horizontal direction by an adjustment mechanism (not shown). It is pivotable.

The lower end 6a of the tip arm 6
, A monitor device M using a liquid crystal display is attached at a slightly downward angle (angle facing the eye position of the doctor). The screen of the monitor M includes CT and MR.
Patient data (blood pressure, pulse, etc.) along with tomographic images such as I
Is also displayed. The monitor device M is mounted so that it can be easily removed.

According to this embodiment, since the monitor M is supported near the medical microscope P, the tomographic image displayed on the monitor M can be confirmed without releasing the hand from the medical microscope P. it can. Therefore, the doctor does not need to interrupt the operation to check the monitoring device M.

The vertical state of the distal arm 6 supporting the medical microscope P is maintained by moving the medical microscope P to any position by the functions of the sub-arms 9, 10 and the like. Therefore, the angle of the monitor device M supported by the doctor's eyes is maintained. Furthermore, since the medical microscope P and the monitor device M are both attached to the rotatable lower end 6a of the distal arm 6, the monitor device M always rotates in the same manner as the medical microscope P. In addition, the relative position between the medical microscope P and the monitor device M does not change, and the monitor device M can be easily confirmed.

In this embodiment, an example is shown in which only one monitor device M is mounted. However, one or more devices that display the same image may be provided for an assistant. Further, the monitor device M displays tomographic images such as CT and MRI and patient data. However, encoders are provided at a plurality of movable points (rotation points) of the stand device, and detection values from the encoders are provided. , The focal position of the medical microscope P is calculated, and the focal position is calculated in the tomographic image displayed on the monitor M (this tomographic image is automatically selected from a plurality of tomographic images that match the focal position and displayed. ). Further, an image of the endoscope may be displayed on the monitor device M.

[0020]

According to the first aspect of the present invention, a monitor device capable of displaying a tomographic image by CT or MRI is supported near a medical microscope, so that the doctor does not interrupt the operation during the operation. The tomographic image can be confirmed. The vertical state of the distal arm supporting the medical microscope is maintained by moving the medical microscope to any position by the functions of the sub-arms and the like. Since the monitor device is supported by the arm, the direction of the monitor device does not change. Therefore, it is easy to confirm the monitor device.

According to the second aspect of the present invention, since the monitor device rotates in the same manner as the medical microscope, the relative position between the medical microscope and the monitor device does not change, and the monitor device is confirmed. easy.

According to the third aspect of the present invention, since the monitor device is detachable, in the case of an operation that does not require a tomographic image, the monitor device can be used with the monitor device removed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a stand device with a monitor according to the present invention.

FIG. 2 is a side view showing a stand device with a monitor according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stand 2 First parallel link 2a Upper side arm 3 Second parallel link 4 Holding link mechanism 4a Intermediate part 5 Support arm 5a Connection point 6 Tip arm 6a Lower end 7 Supporting parallel link S Rotating fulcrum P Medical microscope W Counter Weight M monitor device

Claims (3)

(57) [Claims] 1. A parallel link formed by combining a pair of parallel vertical links and horizontal links, an intermediate portion of said one vertical link is supported on a pivot point of a gantry installed on a floor, and said parallel link is provided. A support arm is formed by extending the upper lateral link of the arm, and a medical microscope is supported at a lower end of a substantially vertical tip arm pivotally supported by the tip of the support arm, and a connection axis of a parallel link serving as a starting point of the support arm A crank member having a horizontal fulcrum located on the same horizontal line as the connection axis and a vertical fulcrum located on the same vertical line as the connection axis is pivotally supported, and the horizontal fulcrum of the crank member and a part of the frame are supported. Are connected by a vertical sub-arm that is parallel to the vertical link of the parallel link and has the same length as the length from the connection axis of the vertical link to the rotation fulcrum. A part of the arm is connected to the support arm by a horizontal sub-arm that is parallel to the support arm and has the same length as the support arm. A counterweight for canceling the added weight and stopping the medical microscope in the air is provided near the medical microscope at the lower end of the tip arm,
A stand device with a monitor, which supports a monitor device capable of displaying a tomographic image by CT or MRI. 2. The stand device with a monitor according to claim 1, wherein a lower end of the tip arm is rotatable in a horizontal direction about a vertical axis, and the medical microscope and the monitor device are supported on the lower end. 3. The stand device with a monitor according to claim 1, wherein the monitor device is detachable.