JP2000262458A - Operation observing image pickup system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simultaneously perform the observation of the incision of a patient by a plurality of persons such as an operator and assistants without being disturbed by the operator or assistants by supporting an endoscope in the vicinity position of the incision part so that the image of the incision part can be taken by the camera part of the endoscope. SOLUTION: When the incision part of a patient is observed by use of an operation observing image pickup system 10, a hole is opened in the skin of the patient, and the retractor 20 of the support member of an endoscope 12 is located so as to enclose the hole. The tractors 44A-44D of the retractor 20 are brought into contact with the edge of the hole and then moved in mutually separating directions to extend the hole. A curved part 26 of the endoscope 12 is curved down, and the extended incision part is held in the curved posture capable of image pickup. The endoscope 12, an image processing device 14, a monitor 16 and a light source device 18 are driven in this state. Accordingly, the image of the incision part is taken by the endoscope 12, and the observation image of the incision part is displayed on the monitor 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surgical observation imaging system capable of observing an incision in a patient during an operation.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication Nos.
When operating a patient's incision using a retractor disclosed in Japanese Patent No. 30895 or the like, first, a hole of a predetermined size is made in the patient's skin, and an edge of the hole is formed on the edge of the hole. Hit multiple retractors. In this state, when the retractors are moved in a direction away from each other, the holes are expanded by the retractors, so that the incision can be operated.

[0003]

However, since the hole to be opened by the retractor is small, there is a disadvantage that it is difficult for an operator or an assistant to directly observe the incision simultaneously. There is also an imaging system that installs a camera on the ceiling of the operating room, images the incision with this camera, and displays the image on a monitor, but in this imaging system, the surgeon or assistant's head, hands, etc. are in the way, There is a disadvantage that it is difficult to image the incision.

The present invention has been made in view of such circumstances, and allows a plurality of surgeons and assistants to simultaneously observe the incision without being disturbed by the surgeon and assistants. It is an object to provide an imaging system for surgical observation.

[0005]

In order to achieve the above object, the present invention provides an endoscope having a camera portion at a tip and a curved portion capable of pointing the tip in a desired direction; Display means for displaying an observation image taken by the camera unit of the endoscope; and supporting the endoscope at a position near the incision so that the incision of the patient can be taken by the camera of the endoscope. And a supporting member to be made.

According to the first aspect of the present invention, the endoscope is supported by the support member at a position near the incision. This allows
The incision can be imaged without being disturbed by the surgeon or assistant, and the captured observation image of the incision is displayed on the display means. Therefore, a plurality of persons, such as an operator and an assistant, can observe the incision simultaneously by looking at the observation image displayed on the display means.

According to a second aspect of the present invention, since a retractor is used as the support member and the endoscope is supported by the retractor, a dedicated support member is not required and the position close to the incision is eliminated. The endoscope can be arranged in the. Claim 3
In the described invention, since the illumination unit is provided in the camera unit of the endoscope, the incision becomes bright and a clear observation image can be obtained.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the imaging system for surgical observation according to the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is an overall view of a surgical observation imaging system 10 according to the first embodiment. The imaging system 10 for surgical observation shown in the figure includes an endoscope 12, an image processing device 14,
It comprises a monitor (corresponding to a display device) 16, a light source device 18, and a retractor 20.

As shown in FIGS. 2 and 3, the endoscope 12 has a hand operation unit (corresponding to an endoscope main body) 22, and a distal end of the hand operation unit 22 is connected via a connecting pipe 24. The bending portion 26 is connected. Further, an LG (light guide) flexible portion 36 is connected to a rear end of the hand operation portion 22. A distal end hard portion 28 is provided at the distal end of the curved portion 26. The bending section 26 is vertically operated by rotating a bending operation knob 30 provided on the hand operation section 22, whereby the distal end hard section 2 is turned.
8 is oriented in the desired direction. Note that the bending direction of the bending portion 26 is not limited to the vertical direction, and may be configured to be able to bend in the vertical and horizontal directions.

As shown in FIG. 2, an objective lens 32 and an illumination lens 34 are provided on an end surface of the distal end hard portion 28. A solid-state imaging device (corresponding to a camera unit, hereinafter referred to as a “CCD”) is provided on the image forming surface of the objective lens 32, and a light-receiving surface of the CCD is used to observe an affected part captured by the objective lens 32. An image is formed. This observation image is converted into an electric signal by the CCD, and the electric signal is input to the image processing device 14 via the electric connector 38 of FIG. It is converted to a video signal. This video signal is output to the monitor 16, whereby the monitor 1
The observation image is displayed on 6. Note that an image guide may be used instead of the CCD.

The LG flexible portion 36 has an LG connector 4
0 is connected, and the LG connector 40 is connected to the light source device 18. Thereby, the illumination light from the light source device 18 is transmitted through a light guide (not shown) inserted from the LG flexible portion 36 to the distal end hard portion 28, and the illumination lens of FIG. 3
Irradiated to the affected area via 4.

The endoscope 12 is supported at a predetermined position by a retractor 20, as shown in FIG. The retractor 2
0 is a ring-shaped member 42 and four retractors 44A, 4
4B, 44C and 44D. Of these retractors 44A-44D, three retractors 44A-44
C is fixed to the tip of the rod 46 and these rods 4
6 is slidably supported by a guide portion 48 fixed to the ring-shaped member 42. A thread 50 is formed on a part of the outer peripheral surface of the rod 46, and the thread 50 is screwed into a nut 52 rotatably supported by the guide 48. Therefore, when the nut portion 50 is rotated with respect to the rod 46, the rod 46 moves in the axial direction by the action of the screw. Thereby, the retractor 44A
44C are moved in the expanding and contracting directions. The retractor 44D is attached to the ring-shaped member 42 by a fixing member 54.
Has been fixed by.

On the other hand, FIG. 1, FIG.
As shown in FIG. 4, a substantially cylindrical holder portion 56 is integrally formed. The holder portion 56 includes a pair of arc-shaped pressing plates 58, 58 for holding the connecting tube 24 of the endoscope 12. The connecting tube 24 is held by the pressing plates 58, 58. , The endoscope 12 is supported by the retractor 20. Further, the endoscope 12 includes the bending portion 2.
When the object 6 is curved downward, the objective lens 32 of the rigid distal end portion 28 is supported by the retractor 20 so as to be located at a position directly facing the affected part of the incision.

When observing an incision in a patient using the surgical observation imaging system 10 configured as described above,
First, a hole is opened in the skin of a patient, and the retractor 20 supporting the endoscope 12 is positioned so as to surround the hole. Next, after the retractors 44A to 44D of the retractor 20 are brought into contact with the edges of the holes, the retractors 44A to 44C are moved away from each other to expand the holes. Next, the bending portion 26 of the endoscope 12 is bent downward as shown in FIG. 1, and the expanded incision is held in a bending posture capable of capturing an image.

In this state, the endoscope 12 and the image processing device 1
4, the monitor 16 and the light source device 18 are driven. As a result, the incision is captured by the endoscope 12 without being disturbed by the operator or the assistant, and the captured observation image of the incision is displayed on the monitor 16. Therefore,
According to the surgical observation imaging system 10 of the present embodiment, the monitor 1
By seeing the observation image displayed in 6, a plurality of persons, such as an operator and an assistant, can observe the incision simultaneously.

In addition, the imaging system for surgical observation 10 of this embodiment
In the above, since the retractor 10 used during the operation is used as a support member for the endoscope 12, a dedicated support member is not required, and the endoscope 12 is disposed at a position close to the incision. Can be. Further, according to the surgical observation imaging system 10 of the present embodiment, the illumination lens 34 is provided on the distal end hard portion 28 of the endoscope 12, and light is emitted from the illumination lens 34 to the incision. The incision brightens,
A clear observation image of the affected part can be obtained.

In an imaging system 60 for surgical observation according to a second embodiment shown in FIG. 5, the endoscope 12 is supported by a support member 66 suspended from a ceiling 64 of an operating room 62 and an image processing apparatus. 14, monitor 16, and light source device 18
In the same case 68, and the case 68
The supporting member 70 is supported by the supporting member 70 which is provided vertically from the supporting member 4. The support member 66 is a multi-joint arm support means including a revolving portion 72 installed on a ceiling 64, a plurality of arms 74, 74, and an endoscope holder 76.
The arms 74, 74... And the endoscope holder 76
Through a moderate friction.
The endoscope 12 is freely moved in the three-dimensional direction by the support member 66, and is held at a desired position (a position near the incision) by the friction.

The support member 70 is, similarly to the support member 66, a multi-joint arm support means constituted by a turning part 80 installed on the ceiling 64, a plurality of arms 82, 82, and a case holder 84. , The revolving part 80 and the arms 82, 82,... Are connected via a pin 86 under appropriate friction. The case 68 is freely moved in the three-dimensional direction by the support member 70, and is held in a desired posture by the friction. That is, the monitor 16 is held in a state where the monitor 16 is oriented in a desired direction.

As in the surgical observation imaging system of this embodiment, support members 66 and 70 suspended from the ceiling 64 of the operating room 62.
Accordingly, if the endoscope 12, the monitor 16, and the like are supported, the positions of the endoscope 12, the monitor 16, and the like can be freely changed, which is convenient. In this example, since the space near the ceiling 64 of the operating room 62 is used as an installation place for the monitor 16 and the like, the operating room 6 in a limited space is used.
2, the surgical observation imaging system of the present example can be installed. Furthermore, in this example, since the monitor 16 can be located at a high place, the screen of the monitor 16 is easy to see, and the range of action of the operator or assistant is not restricted by the monitor 16 or the like.

The endoscope 12A shown in FIG.
An example in which a grip 90 is detachably connected to the main body 22A of FIG. As shown in FIG. 7, the coupling structure of the grip 90 has convex portions 22B, 22B formed at the lower portion of the main body 22A, and concave portions 90A fitted into the convex portions 22B, 22B.
90A is formed on the top of the grip 90. Therefore, the grip 90 is attached to the main body 22A by fitting the concave portions 90A, 90A into the convex portions 22B, 22B. Thus, attaching the grip 90 to the main body 22A of the endoscope 12A is convenient when an operator or an assistant manually operates the endoscope 12 or carries it.

[0021]

As described above, according to the imaging system for surgical observation according to the present invention, the endoscope is supported by the support member at a position near the incision, so that the endoscope is hindered by the surgeon or assistant. Since the incision can be imaged without the incision and the incision imaged by the endoscope is displayed on the display means, a plurality of persons, such as an operator and an assistant, can observe the incision at the same time. Can be.

Further, according to the present invention, since the retractor used during the operation is used as the support member, a dedicated support member is not required, and the endoscope is arranged at a position close to the incision. be able to. Further, according to the present invention, since the illuminating means is provided in the camera section of the endoscope, the incision becomes bright, and a clear observation image can be obtained.

[Brief description of the drawings]

FIG. 1 is an overall view of an imaging system for surgical observation according to a first embodiment;

FIG. 2 is a perspective view of an endoscope of the imaging system for surgical observation shown in FIG. 1;

FIG. 3 is an explanatory view showing a bending operation of a bending portion of the endoscope shown in FIG. 2;

FIG. 4 is an enlarged perspective view showing the retractor of the retractor.

FIG. 5 is an overall view of an imaging system for surgical observation according to a second embodiment.

FIG. 6 is a side view of a main body of the endoscope to which a grip is attached.

FIG. 7 is a perspective view showing a mounting structure of the grip shown in FIG. 6;

[Explanation of symbols]

10: imaging system for surgical observation, 12: endoscope, 14 ...
Image processing device, 16 monitor, 18 light source device, 20
Retractor, 32: objective lens, 34: illumination lens, 4
4, 44A-44D ... retractor

Claims (3)

[Claims] 1. An endoscope having a camera portion at a distal end and a curved portion capable of directing the distal end in a desired direction, and displaying an observation image taken by the camera portion of the endoscope. Display means; and a support member for supporting the endoscope at a position near the incision so that the camera section of the endoscope can image the incision in the patient. system. 2. The surgical observation imaging system according to claim 1, wherein the support member is a retractor that holds an incision in a patient in an open state. 3. The imaging system for surgical observation according to claim 1, wherein the camera section of the endoscope is provided with illumination means.