KR102025219B1 - Endoscope for arthroscopy - Google Patents

Abstract

The present invention relates to an endoscope for articulation, comprising: a handle portion, a cable portion connected to the handle portion to transmit an image signal, an injection portion mounted to the handle portion to selectively supply fluid, and inserted into the handle portion and inserted into the body. Including a needle portion and a camera portion inserted and moved to the needle portion and protruding from the needle portion to photograph the inside of the body, the inside of the body can be photographed quickly and safely.

Description

Joint Endoscope {ENDOSCOPE FOR ARTHROSCOPY}

The present invention relates to an endoscope for arthroscopy, and more particularly, to an endoscope for arthroscopy in which the inside of the joint is examined but the expansion of the incision site is suppressed and the visual field is smoothly secured.

In general, an endoscope is a kind of optical device, and is classified into an industrial endoscope for checking the inside of a narrow space such as a pipe or a ship building, and a medical endoscope for inspecting an internal human body.

Medical endoscope is a device for visually checking and diagnosing the inside of a human body by directly inserting the inside of the human body and obtaining image information about the surroundings.

On the other hand, unlike the past was performed by direct skin incision and joint incision for disease or damage of the joint can be performed at the same time the diagnosis and surgery using the current state of the art medical equipment arthroscopy.

Arthroscopy using medical endoscopes is done by inserting an arthroscopy with a special small camera into the joint using a small hole without incision of the affected area, and then special observation (CT, MRI) by observing the inside of the joint through a monitor. Even lesions that are not identified by the patient can be diagnosed as well as undergo surgery at the same time.

However, the conventional arthroscopy has a problem that the procedure takes a long time and the accuracy is difficult to clean and remove the material located in the peripheral portion during the operation of the joint area. Therefore, there is a need for improvement.

Background art of the present invention is published in Republic of Korea Patent Publication No. 2014-0133248 (2014.11.19. Published, the name of the invention: multi-function arthroscopy).

The present invention has been made to improve the above problems, an object of the present invention is to provide a joint endoscope that examines the inside of the joint but suppresses the expansion of the incision site and ensures good visibility.

Endoscope for articulation according to the present invention comprises: a handle portion; A cable unit connected to the handle unit and transmitting a video signal; An injection part mounted on the handle part to selectively supply fluid; A needle part mounted on the handle part and inserted into the body; And a camera part inserted into the needle part and moving, protruding from the needle part to photograph the inside of the body.

The handle portion handle body portion that can be gripped by the user; A handle adjusting part mounted on the handle body part and connected to the camera part to move the camera part; And a handle induction part formed in the handle body part to mount the injection part to guide the fluid injected from the injection part to the needle part.

The cable part is detachably attached to the handle part and is in contact with the display part.

The injection portion injection coupling portion detachable to the handle portion; An injection passage portion connected to the injection coupling portion and having a three-way flow path formed therein; An injection opening / closing portion formed in the injection passage, and selectively opening and closing the injection passage; And an injection cover part covering the injection flow path part.

The needle part includes a needle pipe part mounted to the handle part; And a needle tip portion formed at an end of the needle tube portion and having an inclination to cut the body.

The camera unit is inserted into the needle tube to move the tube portion; A holder part embedded in the tube part; A lens unit mounted on the holder to acquire an image signal; A sensor unit mounted to the holder unit and processing an image signal of the lens unit; A plurality of optical fiber parts inserted into the tube part to transmit light; A light source unit connected to the optical fiber unit and generating light; And an optical connector portion connecting the holder portion and the handle portion.

The camera unit is coupled to the end of the tube portion, and protects the lens unit to maintain the angle of view; further comprises a.

The endoscope for articulation according to the present invention, since the camera portion is moved forward after the needle portion is inserted into the body to shoot the inside of the body, to prevent damage to the camera portion when inserting the body of the needle portion, after insertion of the body of the needle portion without interference with the needle portion Shooting can be done.

Since the joint endoscope according to the present invention is supplied with a fluid through the injection portion, the saline solution is discharged to wash the camera portion, and if necessary, drugs can be directly injected to perform treatment.

1 is a view schematically showing an endoscope for a joint according to an embodiment of the present invention.
Figure 2 is a view schematically showing a handle portion in the endoscope for articulation according to an embodiment of the present invention.
3 is a view schematically showing a cable unit in the endoscope for articulation according to an embodiment of the present invention.
4 is a view schematically showing the injection unit in the endoscope for articulation according to an embodiment of the present invention.
5 is a view schematically showing the needle portion in the endoscope for articulation according to an embodiment of the present invention.
6 is an exploded view schematically showing a camera unit in an endoscope for articulation according to an embodiment of the present invention.
7 is a cross-sectional view schematically showing the camera unit in the endoscope for articulation according to an embodiment of the present invention.
8 is a view schematically showing a state in which the holder portion of the camera unit guides the fluid in the endoscope for articulation according to an embodiment of the present invention.
9 is a view schematically showing a state in which the tube portion of the camera guides the fluid in the endoscope for articulation according to an embodiment of the present invention.
10 is a view schematically showing a state in which the support protrusion is formed in the needle tube in the endoscope for articulation according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the endoscope for articulation according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or convention. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a view schematically showing an endoscope for a joint according to an embodiment of the present invention. Referring to FIG. 1, the joint endoscope 1 according to an embodiment of the present invention includes a handle part 10, a cable part 20, an injection part 30, a needle part 40, and a camera. A portion 50 is included.

The handle portion 10 has a shape that can be gripped by the user. For example, the handle part 10 may include a synthetic resin material or a metal material, and may include a plurality of components for processing and transmitting an image image captured by the camera part 50.

The cable unit 20 is connected to the handle unit 10 to transmit an image signal. For example, the cable part 20 may be integrally formed with the handle part 10 or may be detachably attached to the handle part 10.

The injection part 30 is mounted on the handle part 10 to selectively supply fluid. For example, the injection unit 30 may supply a saline solution for washing or a medicine for treatment.

The needle portion 40 is mounted to the handle portion 10 and inserted into the body. For example, the needle part 40 may protect the inserted camera part 50 and include a metal or alloy material such as stainless steel. In addition, it may include a synthetic resin material having a predetermined hardness or more for body incision.

The camera unit 50 is inserted into the needle unit 40 and moved, and protrudes from the needle unit 40 to photograph the inside of the body. For example, the camera unit 50 may be protected by being embedded in the needle unit 40 when the needle unit 40 is inserted into the body. After the needle part 40 is inserted into the body, the camera part 50 may protrude from the needle part 40 to photograph the inside of the body.

Accordingly, the user may insert the needle part 40 into the body part requiring the joint treatment, and photograph the inside of the body through the camera part 50. This endoscope for articulation 1 is produced for a single time, a separate washing and sterilization process is eliminated, the endoscope 1 for use can be discarded.

Figure 2 is a view schematically showing a handle portion in the endoscope for articulation according to an embodiment of the present invention. 1 and 2, the handle part 10 according to an embodiment of the present invention includes a handle body part 11, a handle adjusting part 12, and a handle inducing part 13.

Handle body portion 11 has a shape that can be gripped by the user. For example, the handle body portion 11 has a body outer portion 111 that can be gripped by the user, and a body hole portion 112 forming a space from the end of the body outer portion 111 to the interior of the body outer portion 111. ) May be included. In addition, the handle body portion 11 is exposed to the outside of the body outer portion 111, one or more body button portion 113 for controlling the camera unit 50 may be formed. More specifically, when the body button 113 is operated, an image captured by the camera unit 50 may be captured and stored. The body button 113 can record or store not only one image captured but also a video. In other words, press the body button 113 once to capture an image, and if you press it more than once, you can save the video until you release it, and if you press it twice or more consecutively, it will be saved as a video. It can be linked with the function to save the video.

The handle adjusting unit 12 is mounted to the handle body 11 and is connected to the camera unit 50. The handle adjusting unit 12 is mounted to the handle body portion 11, is connected to the camera unit 50 to move the camera unit 50. For example, the handle adjusting part 12 is exposed to the outside of the body outer portion 111, the sliding button sliding button 121 and the control button 121 extends from the body hole 112 to the camera portion ( It may include a control connection 122 connected to 50). In addition, the handle adjusting part 12 may further include an adjusting elastic part 123 mounted on the outer body part 111 and connected to the adjusting connecting part 122 to provide a restoring force to the adjusting button part 121. .

The handle induction part 13 is formed in the handle body part 11 so that the injection part 30 is mounted, and guides the fluid injected from the injection part 30 to the needle part 40. For example, the handle induction part 13 may include an induction pipe part 131, an induction communication part 132, and an induction sealing part 133. The induction pipe part 131 protrudes upward from the body outer part 111 and may be disposed between the end of the body outer part 111 and the control button part 121. The induction communicating part 132 is formed inside the outer body part 111 and may communicate the induction pipe part 131 and the body hole part 112. The induction sealing part 133 is formed in the body hole part 112 and can prevent the fluid supplied to the induction communicating part 132 from flowing backward in the direction of the handle adjusting part 12. At this time, the control connecting portion 122 may penetrate the induction sealing 133.

3 is a view schematically showing a cable unit in the endoscope for articulation according to an embodiment of the present invention. Referring to FIG. 3, the cable part 20 according to the exemplary embodiment of the present invention is detachably attached to the handle part 10 and is in contact with the display part 100.

For example, the handle part 10 may be formed on the rear side of the handle body part 11, and may further include a handle terminal part 14 for transmitting an image signal and an electric signal, and one end of the cable part 20 is provided. It is connected to the handle terminal unit 14, the other end is connected to the display unit 100, such as a notebook or a monitor can transmit an image signal and an electrical signal. For this reason, the cable part 20 can be excluded from a waste object. In addition, the handle portion 10 and the cable portion 20 may be manufactured in one piece.

4 is a view schematically showing the injection unit in the endoscope for articulation according to an embodiment of the present invention. Referring to FIG. 4, the injection unit 30 according to the embodiment of the present invention includes an injection coupling unit 31, an injection passage unit 32, an injection opening and closing unit 33, and an injection lid unit 34. Include.

Injection coupling portion 31 is detachable to the handle portion (10). For example, the injection coupling part 31 may be combined with the induction pipe part 131. The injection coupling part 31 may be screwed or fitted into the guide pipe part 131.

The injection flow path part 32 is connected to the injection coupling part 31 and a three-way flow path is formed. For example, the injection passage 32 may include a central passage 321, an upper passage 322 communicating with an upper portion of the central passage 321, and a lower passage communicating with a lower portion of the central passage 321. The unit 323 may include a side flow path part 324 in communication with the side of the central flow path part 321. The upper passage 322 may be connected to the saline supply unit 200 for supplying the saline solution for washing and ensuring the image of the front of the camera located inside the joint. The lower flow path part 323 may be equipped with an injection coupling part 31. The side channel portion 324 may be connected to the drug supply unit 300 for supplying a drug for treatment.

The injection opening and closing part 33 is formed in the injection flow path part 32 and selectively opens and closes the injection flow path part 32. For example, the injection opening and closing unit 33 may include an opening and closing flow path 331 and the opening and closing operation unit 332.

The opening and closing flow path part 331 is inserted into the cylindrical central flow path part 321, and the opening and closing operation part 332 is connected to the opening and closing flow path part 331 and can be operated by a user. When the user rotates the opening / closing operation unit 332, the opening and closing flow path unit 331 communicates with the upper flow path part 322 and the lower flow path part 323, or communicates with the side flow path part 324 and the lower flow path part 323. You can.

The injection cover part 34 covers the injection flow path part 33. For example, the injection cover part 34 may be mounted on the side flow path part 324 when the drug supply is not required to block the inflow of foreign substances.

5 is a view schematically showing the needle portion in the endoscope for articulation according to an embodiment of the present invention. Referring to FIG. 5, the needle part 40 according to the exemplary embodiment of the present invention includes a needle pipe part 41 and a needle tip part 42.

The needle pipe portion 41 is mounted to the handle portion 10. For example, the needle pipe part 41 may be coupled to the front end of the handle body part 11 to communicate with the body hole part 112 to guide the fluid supplied through the handle guide part 13.

The needle tip portion 42 is formed at the end of the needle tube portion 41 and has an inclination to cut the body. For example, the forming angle of the needle tip part 42 may be variously set according to the slide moving distance and the diameter of the camera part 50.

6 is an exploded view schematically showing a camera unit in the endoscope for articulation according to an embodiment of the present invention, Figure 7 is a cross-sectional view schematically showing the camera unit in the endoscope for articulation according to an embodiment of the present invention. 6 and 7, the camera unit 50 according to the embodiment of the present invention includes a tube unit 51, a holder unit 52, a lens unit 53, a sensor unit 54, And an optical fiber portion 55, a light source portion 56, and an optical connector portion 57.

The tube portion 51 is inserted into the needle tube portion 41 and moved. For example, the tube part 51 may form a tip of the micro camera unit 50 and may have a diameter smaller than that of the needle tube part 41.

The holder portion 52 is built in the tube portion 51. For example, the holder 52 may have a cylindrical shape and include a synthetic resin material. The holder part 52 may be protected by the tube part 51 made of an elastic material. A plurality of holder hole parts 521 may be formed in the holder part 52.

The lens unit 53 is mounted on the holder 52 to acquire an image signal. For example, the lens unit 53 may include one or more glass lenses or plastic lenses, and each lens may be arranged in combination of a spherical surface and an aspherical surface. That is, the number and shape of the lenses may be variously set according to the viewing angle forming target. The lens unit 53 may be accommodated in the holder 52 and may be caught by the holder 52 to limit movement.

The sensor unit 54 is mounted to the holder unit 52 and processes the video signal of the lens unit 53. For example, the sensor unit 54 may include a sensor substrate 541 mounted to the rear end of the holder 52 and a sensor processor 542 mounted to the sensor substrate 541 to process an image signal. Can be.

The optical fiber part 55 is inserted into the tube part 51 to transmit light, and the light source part 56 is connected to the optical fiber part 55 to generate light. For example, the light source unit 56 may be disposed in the body hole 112 in which fluid inflow is blocked by the induction sealing unit 133. In addition, the light source unit 56 may be directly mounted to the sensor unit 54. The optical fiber unit 55 may be inserted into the four holder hole units 521 to irradiate light to the body.

The optical connector portion 57 connects the holder portion 52 and the handle portion 10 and transmits power. For example, one end of the optical connector 57 may be connected to the control connector 122, and the other end may be coupled to the holder 52. The optical connector 57 may be formed to surround the optical fiber unit 55 to protect the optical fiber unit 55. In addition, the optical connector 57 may be installed in the sensor unit 54 mounted to the holder 52. In addition, the optical connector 57 may directly connect the handle adjusting part 12 and the holder part 52 or the sensor part 54 mounted to the holder part 52 irrespective of the optical fiber part 55. .

The camera unit 50 according to an embodiment of the present invention may further include a maintenance unit 58. The preservation part 58 is coupled to the end of the tube part 51 and preserves the angle of view while protecting the lens part 53. For example, the maintenance unit 58 may cover the lens unit 53 to protect the lens unit 53 from external pressure and foreign matter. In addition, the maintenance unit 58 may adopt a glass lens or a plastic lens to extend the angle of view of the lens unit 53 and the irradiation angle of the optical fiber unit 55. For this reason, the situation inside a body can be image | photographed without rotating the lens part 53. FIG. On the other hand, the preservation portion 58 is a curved surface is formed so that the wound of the body when the front of the lens portion 53 is protruded, it may be made of a soft material. In addition, the maintenance unit 58 may be coupled to the end of the holder unit 52 and inserted into the tube unit 51 to protect the outer circumferential surface thereof.

 8 is a view schematically showing a state in which the holder portion of the camera unit guides the fluid in the endoscope for articulation according to an embodiment of the present invention. Referring to FIG. 8, the camera unit 50 may further include a discharge hole 61. The discharge hole 61 may be formed in the holder 52 to guide the fluid. The saline solution discharged through the discharge hole 61 may induce an immediate cleaning of the lens unit 53 and the optical fiber unit 55. For example, discharge holes 61 may be formed between the plurality of holder holes 521 to discharge the fluid. At this time, the maintenance unit 58 may be formed with a hole for the fluid discharged through the discharge hole 61, the saline solution discharged from the discharge hole 61 when the maintenance unit 58 is applied to the maintenance unit 58. ) Can be cleaned.

9 is a view schematically showing a state in which the tube portion of the camera guides the fluid in the endoscope for articulation according to an embodiment of the present invention. Referring to FIG. 9, the camera unit 50 may further include a discharge groove 62. The discharge groove 62 is formed outside the tube 51 to guide the fluid. The saline solution discharged through the discharge groove 62 may induce an immediate cleaning of the lens unit 53 and the optical fiber unit 55. For example, the discharge grooves 62 may be formed between the plurality of holder hole parts 521 to discharge the fluid. In this case, the outer circumferential surface of the holder portion 52 may be recessed to form the discharge groove 62.

10 is a view schematically showing a state in which the support protrusion is formed in the needle tube in the endoscope for articulation according to an embodiment of the present invention. Referring to FIG. 10, the needle part 40 may further include a needle protrusion 43. The needle protrusion 43 is integrally formed with the needle tube part 41, and a plurality of needle protrusion parts 43 protrude inward along the inner diameter of the needle tube part 41. The needle protrusion 43 is formed in the longitudinal direction of the needle pipe portion 41, and supports the tube portion 51 inserted into the needle tube portion 41 to restrict the left and right flow. At this time, the fluid is guided through the space formed between the needle protrusions 43 is discharged to the outside.

Referring to the use of the joint endoscope according to an embodiment of the present invention having the above configuration is as follows.

The user tears off the wrapping paper of the joint endoscope 1 for single use, connects the cable unit 20 to the display unit 100, and injects any one or more of the saline supply unit 200 or the drug supply unit 300. To the unit 30.

In the above state, the user grips the handle part 10, inserts the needle part 40 into the body to reach the destination, and then moves the camera part 50 forward to photograph the inside of the body.

The saline solution may be supplied through the saline supply unit 200 during the photographing to wash the camera unit 50, and may be treated by supplying the drug through the drug supply unit 300 as necessary.

Joint endoscope 1 according to an embodiment of the present invention since the needle portion 40 is inserted into the body after the camera unit 50 is moved forward to shoot the inside of the body, when inserting the body of the needle portion 40 Preventing damage to the camera unit 50, after the body insertion of the needle portion 40 can be taken extensively without interference with the needle portion 40.

Joint endoscope 1 according to an embodiment of the present invention, since the fluid is supplied through the injection portion 30, the saline is discharged to wash the camera unit 50, the drug is directly injected as needed Treatment can be carried out.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

10: handle portion 11: handle body portion
12: handle adjusting part 13: handle induction part
20: cable portion 30: injection portion
31: injection coupling portion 32: injection flow path
33: injection opening 34: injection cover
40: needle part 41: needle tube part
42: needle tip portion 50: camera portion
51 tube portion 52 holder portion
53 lens unit 54 sensor unit
55: optical fiber portion 56: light source portion
57: optical connector portion 58: preservation portion

Claims (7)

A handle part;
A cable unit connected to the handle unit and transmitting a video signal;
An injection part mounted on the handle part to selectively supply fluid;
A needle part mounted on the handle part and inserted into the body; And
And a camera part inserted into the needle part and moving to protrude from the needle part to photograph the inside of the body.
The handle part
Handle body portion that can be gripped by the user;
A handle adjusting part mounted on the handle body part and connected to the camera part to move the camera part; And
And a handle induction part formed on the handle body part to mount the injection part and guide the fluid injected from the injection part to the needle part.
delete The method of claim 1, wherein the cable unit
Detachable to the handle portion, endoscope for articulation, characterized in that the contact with the display.
The method of claim 1, wherein the injection portion
An injection coupling part detachable from the handle part;
An injection passage portion connected to the injection coupling portion and having a three-way flow path formed therein;
An injection opening / closing portion formed in the injection passage, and selectively opening and closing the injection passage; And
Endoscope for joints comprising a; injection cover portion for covering the injection passage.
The method of claim 1, wherein the needle portion
A needle pipe part mounted to the handle part; And
And a needle tip portion formed at an end of the needle tube portion and having a slant to cut the body.
The method of claim 5, wherein the camera unit
A tube part inserted into the needle tube part and moved;
A holder part embedded in the tube part;
A lens unit mounted on the holder to acquire an image signal;
A sensor unit mounted to the holder unit and processing an image signal of the lens unit;
A plurality of optical fiber parts inserted into the tube part to transmit light;
A light source unit connected to the optical fiber unit and generating light; And
Endoscope for joints comprising a; optical connector portion for connecting the holder portion and the handle portion.
The method of claim 6, wherein the camera unit
It is coupled to the end of the tube portion, the endoscope for joints further comprises a preservation portion for preserving the angle of view while protecting the lens unit.

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