WO2009096696A2

WO2009096696A2 - Endoscope

Info

Publication number: WO2009096696A2
Application number: PCT/KR2009/000395
Authority: WO
Inventors: Ik Joo Lee; Kyeung Jung Kim
Original assignee: Acts Vision Co., Ltd.
Priority date: 2008-01-31
Filing date: 2009-01-28
Publication date: 2009-08-06
Also published as: KR20090084110A; KR100959567B1; WO2009096696A3

Abstract

An endoscope according to the present invention includes first to fourth curved wire units which move in the forward/backward directions or the backward/forward directions in a rectilinear manner to change the direction of a front end of the endoscope to any direction, a first curved driving unit which rotates in the forward/reverse directions in accordance with a control signal to move the first or second curved wire unit in the forward/backward directions or the backward/forward directions in a rectilinear manner, a second curved driving unit which rotates in the forward/reverse directions in accordance with a control signal to move the third or fourth curved wire unit in the forward/backward directions or the backward/forward directions in a rectilinear manner, first to fourth curved wire guiding tube units for guiding the first to fourth curved wire units, respectively, and a control unit for applying control signals to the first or second curved driving unit in accordance with key signals for every direction. The endoscope of the present invention allows for ease of sterilization of a flexible insertion unit and prevents erroneous operation of the endoscope by eliminating the necessity of arranging an internal electronic element in the flexible insertion unit.

Description

[Revision 13.03.2009 under Rule 26] Endoscopy

The present invention relates to an endoscope.

In general, the medical endoscope is a medical device that is inserted into the internal organs, such as to be able to see the inside without performing direct surgery, and has made a great contribution to the development of medicine.

Such endoscopy using an endoscope can directly observe the shape of the internal organs with the naked eye, and determine the possibility of surgery through histological diagnosis by collecting the biological tissue using a biopsy forceps connected to one end of the endoscope. In addition, it is recognized as the most important test method for diagnosing and treating gastrointestinal diseases because the surgical method is difficult to access, there is an advantage that can replace laparotomy.

1 is a block diagram showing an endoscope system according to the prior art.

As shown in FIG. 1, the endoscope system 100 includes an endoscope device 101, a light source device 103, a processor device 104, and a display device 105.

First, the endoscope apparatus 101 includes a front endoscope 108 which is inserted into a built-in organ or the like and a rear endoscope 109 which becomes a manipulation unit side for manipulating the direction of the front endoscope 108.

The front endoscope 108 is composed of a flexible insertion unit 106 and a connector portion 111 inserted into the internal organs, etc., the flexible insertion portion 106 is a hard tip portion 121, which is installed at the tip end, can be bent The curved portion 122 and the flexible portion 123 having flexibility are included.

On the other hand, the front end portion 121 has an imaging window (CCD: Chargecoupled) for converting an optical image of an object focused by an observation window (object not shown), an object lens 133 to be matched with an object lens, and an object lens 133 into an image signal. Buffer ICs 135 for current amplification and the like of the image signal of the device 134 and the image pickup device 134 are provided.

Here, the imaging device 134 is connected to the buffer IC 135 by the signal cable 136, and is further connected to the conversion circuit 13 inserted into the flexible insertion unit 106 via the buffer IC 135. Connected.

On the other hand, the curved portion 122 is rotatably connected to the plurality of curved spheres 151.

In addition, the flexible wires 152 are inserted into the flexible inserts 106 to vertically or horizontally change the flexible inserts 106, and one side of the curved wires 152 is a front end portion 121. In addition, the other side is fixed to the rod 11 of the connector portion 111.

In addition, a light guide 125 for transmitting illumination light of the light source device 103 is inserted into the front endoscope 108, and the light guide 125 has a connector receiving part connected to the connector 111. Optically connected to the light guide 126 in the rear endoscope 109 via 112.

On the other hand, the connector portion 111 is a watertight and airtight O-ring 7 provided around the rotation axis of the ID information generation memory 157, the engaging projection 5 protruding from the end face, and the engaging projection 5. , A shaft member 8 connected to each coupling protrusion 5, a gear 9 connected to one side of the shaft member 8, an uneven portion 11a for converting a rotational movement of the gear 9 into a straight movement, unevenness The rod 11 coupled to the unit 11a moves forward and backward, a conversion circuit 13 for converting an electrical signal into an optical signal, and magnets 21 for positioning and maintaining the mounting state.

The connector receiving part 112 is connected to the rotating shaft of the motor 154 and the motor 154 for bending the fusible insert 106 left and right and up and down, and for protruding from the end face of the connector receiving part 112. The outer surface of the concave portion 4, the watertight and airtight O-ring 6 provided around the rotating shaft of the engaging concave portion 4, the conversion circuit 14 for converting an electrical signal into an optical signal, and the connector receiving portion 112 Cross pads 17, which are formed in the upper, lower, left, and right directions for curved direction indicated by U, D, L, and R, are connected by a cross pad 17 and a signal line 18, and the cross pad 17 Control circuit 19 for driving the motor 154 according to the up, down, left and right curved signals of < RTI ID = 0.0 >), < / RTI > a magnet 22 for positioning and maintaining the mounting state, and a memory 24 for generating ID information. )

On the other hand, the light guide 126 of the rear endoscope 109 is mounted with the light source device 103 via the inside of the universal cable 114, the signal cable 141 inserted through the rear endoscope 109 Is connected to the processor device 104 via an electrical cable 117 inserted into the universal cable 114.

In addition, the

signal cables

136 and 141 are respectively connected to the

conversion circuits

13 and 14, and are also connected to the

optical fibers

15 and 16 through the

conversion circuits

13 and 14, and the change circuits 13 ( 14 converts an electrical signal into an optical signal, and converts the optical signal into an electrical signal through the

optical fibers

15 and 16 and outputs the electrical signal to the

signal cables

136 and 141.

The front endoscope 108 is provided with a memory 157 for generating ID information, and transmits the ID information to the rear endoscope 109 via the conversion circuit 13, and the rear endoscope 109. ) Also has a memory 224 for generating ID information, and transfers the information to the processor device 104.

The front endoscope 108 and the rear endoscope 109 are detached from the detachable part 107F.

On the other hand, the light source device 103 illuminates the illumination light to the internal organs inside the human body through the

light guides

125 and 126 of the endoscope device 101, the processor device 104 is the imaging embedded in the endoscope device 101 An image captured by a charge coupled device (CCD) 134 is received through

signal cables

136 and 141 for signal processing, and the display device 105 receives an image signal processed by the processor device 104. Receive and display.

However, the endoscope device 101 of the prior art is inserted into an internal organ or the like, and after completion of endoscopy, is inserted into an internal organ or the like, and an anterior endoscope 108 in which a device such as a conversion circuit 13 or a magnet 21 is installed. For disinfection, the devices may be damaged and thereby malfunction.

In addition, when disinfecting the anterior endoscope 108 has a problem that must undergo a complicated disinfection process.

In addition, when the front endoscope 108 and the rear endoscope 109, which are provided with the projections 5 and the coupling recesses 4, respectively, are attached or detached, the protrusions 5 and the recesses 4 are not exactly aligned. In this case, the detachment of the front endoscope 108 and the rear endoscope 109 is not easy.

In addition, the front end by inserting the front endoscope 108 into the internal organs by a pinion gear or a rack gear that transmits power to the front endoscope 108 when the endoscope device 101 malfunctions during endoscopy. Since the endoscope 108 is maintained in a curved state, it is difficult to remove the anterior endoscope 108 from the internal organ.

The present invention relates to an endoscope having a safe structure that is easy to attach or detach the endoscope device, and does not harm the internal organs even if a malfunction occurs due to an electrical mechanical or physical defect.

The present invention, in the endoscope, the first wire guide tube for guiding the first wire to the fourth wire to switch the direction of the endoscope up / down / left / right as the linear movement in the forward / reverse or reverse / forward direction A fourth wire guide tube; And a first magnetic guide tube to a fourth magnetic guide tube for guiding the first to fourth magnetic members in the first magnetic portion respectively connected to and fixed to one side of the first to fourth wires, and the fifth and fourth magnetic guide tubes. Third position fixing means for fixing the position of the wire to eighth wire; When the flexible insertion device is attached to or detached from the first magnetic member to the fourth magnetic member, the fifth magnetic member to the eighth magnetic part connected to one side of the fifth wire to the eighth wire, respectively A fifth magnetic guide tube to an eighth magnetic guide tube to guide; A fifth wire guide tube to an eighth wire guide tube positioned between the third position fixing means and the fifth magnetic guide tube to the eighth magnetic guide tube to guide the fifth to eighth wires; First curved drive means connected to the fifth wire such that the fifth wire is connected so as to linearly move in the forward / reverse or reverse / forward direction when rotated in the forward / reverse or reverse / forward directions and opposite to the fifth wire; And second curved driving means connected to the seventh wire such that the seventh wire is connected so as to linearly move in the forward / reverse or reverse / forward direction when the motor rotates in the forward / reverse or reverse / forward directions, and the linear movement is inversely opposed to the seventh wire. Consists of a curved manipulation device comprising a.

According to the present invention, since a device such as an electronic device inside the flexible insertion unit is not installed, the flexible insertion unit can be easily disinfected, and the malfunction of the endoscope device can be prevented during endoscopy.

In addition, the present invention facilitates the attachment and detachment of the endoscope device by transmitting power to the flexible insert using a magnetic material.

In addition, the present invention inserts the flexible insert into the built-in organ, the wire is restored to its original position by the elastic body when the endoscope device malfunctions during endoscopy, it is possible to easily remove the flexible insert from the built-in organ.

Furthermore, the present invention can bend the flexible insert with little power by means of a spring tube or an elastic body.

In addition, the present invention can reduce the volume of the endoscope device by using two motors, it is possible to reduce the manufacturing cost of the endoscope device.

In addition, the present invention is provided with a pulley acting as a pulley to the two motors, it is possible to bend the flexible insertion portion up / down / left / right with little power.

1 is a block diagram showing an endoscope system according to the prior art.

2 is a block diagram illustrating an endoscope system according to the present invention.

Figure 3 is a block diagram showing an endoscope device according to the present invention.

4 is a sectional view of the tip means according to the present invention;

5 is a cross-sectional view of the detachable means viewed from the detachable portion F according to the present invention in the F 'direction.

6 is a perspective view of the steering apparatus of the endoscope according to the present invention.

7 is a rear view of the steering apparatus of the endoscope according to the present invention.

8 is a side view of the steering apparatus of the endoscope according to the present invention.

9 is a cross-sectional view of the curved operation unit viewed from the detachable portion F according to the present invention in the F '' direction

The present invention consists of a light source guide tube for guiding the light source into the human body, an image sensor positioned on the distal means to photograph the human body, and a signal cable connected to the image sensor to transmit the image of the human body. In the endoscope, the first curved wire portion to the fourth curved wire portion which redirects the tip means as the linear movement is performed before / after or after / before, and rotates in the forward / reverse or reverse / forward direction by a control signal. A first curved drive unit which linearly moves the first curved wire part and the second curved wire part forward / backward / backward / frontward; and a third curved wire when rotating in a forward / reverse direction or a reverse direction by a control signal A second curved drive part for linearly moving the part and the fourth curved wire part forward / backward or backward / before, and the first curved wire part to the fourth curved wire part And a first curved wire guide tube) to (40 000 wire guide tube and the up / down / left / right control part for applying a control signal according to a key signal to the first curved drive section or the second curved driver guiding.

In the present invention, the first curved drive unit is connected to the first curved wire part such that the first curved wire part is linearly moved forward / backward or backward / before rotating in the forward / reverse or reverse / forward direction, The second curved wire part is connected to the second curved wire part so as to be linearly opposed to the first curved wire part, and the second curved drive part is rotated in the forward / reverse direction or the reverse direction. Alternatively, the third curved wire part may be connected to the third curved wire part so as to linearly move backwards and forwards, and the fourth curved wire part may be connected to the third curved wire part so as to be linearly opposed to the third curved wire part.

In addition, in the present invention, the first curved drive unit is connected to the first curved wire part such that the first curved wire part linearly moves forward / backward or backward / before rotating in the forward / reverse or reverse / forward direction. In addition, the first curved wire part includes a first pulley connected to the second curved wire part so as to be linearly opposite to the first curved wire part, and the second curved drive part is rotated in the forward / reverse or reverse / forward directions when the third pulley is rotated. A second pulley connected to the third curved wire part such that the curved wire part is linearly moved forward / backward or backward / before, and connected to the fourth curved wire part so as to be linearly opposite to the third curved wire part. Include.

In addition, in the present invention, the first pulley or the second pulley is formed with a groove so that the first curved wire portion to the fourth wire portion do not escape to the outside.

In addition, in the present invention, the endoscope includes the first curved drive unit, the second curved drive unit, a curved manipulation device including the control unit, and the front end means, and the flexible insertion device is detachable from the curved manipulation device. The first curved wire part may include a first curved wire part included in the flexible insertion device and a second curved wire part included in the bending manipulation device, and the second curved wire part may be included in the flexible insertion device. And a third curved wire means included in the curved manipulation device, wherein the third curved wire part is included in the fifth curved wire means and the curved manipulation device included in the flexible insertion device. A sixth curved wire means, wherein the fourth curved wire portion is included in the flexible inserting device. It consists of a seventh curved wire means and an eighth curved wire means included in the bending manipulation device, wherein the first curved wire guide tube portion and the first curved wire guide tube means for guiding the first curved wire means and the second And a second curved wire guide tube means for guiding the curved wire means, wherein the second curved wire guide tube part guides the third curved wire guide tube means and the fourth curved wire means to guide the third curved wire means. And a fourth curved wire guide tube means, wherein the third curved wire guide tube part is a fifth curved wire guide tube means for guiding the fifth curved wire means and a sixth curved wire for guiding the sixth curved wire means. Guide pipe means, and the fourth curved wire guide pipe part And a seventh curved wire guide tube means for guiding the seventh curved wire means and an eighth curved wire guide tube means for guiding the eighth curved wire means.

In addition, in the present invention, the flexible inserting apparatus includes a first magnetic member connected and fixed to one side of the first curved wire means, the third curved wire means, the fifth curved wire means, and the seventh curved wire means, respectively. First magnetic member guide tube means for guiding the third magnetic member, the fifth magnetic member, and the seventh magnetic member, respectively; Third magnetic member guide tube means; A fifth magnetic member guide tube means; And a seventh magnetic member guide tube means, wherein the curved manipulation device is connected to and fixed to one side of the second curved wire means when the flexible manipulation device is attached to and detached from the flexible insertion device. Second magnetic member guide tube means for guiding the; Fourth magnetic member guide tube means for guiding a fourth magnetic member that is detached from the third magnetic member and connected and fixed to one side of the four curved wire means; Sixth magnetic member guide tube means for guiding a sixth magnetic member that is ligated with the fifth magnetic member and fixedly connected to one side of the sixth curved wire means; And eighth magnetic member guide tube means for guiding the eighth magnetic member detachably attached to the seventh magnetic member and connected to and fixed to one side of the eighth curved wire means.

Further, in the present invention, at least one or more of the first magnetic member guide tube means to the eighth magnetic member guide tube means is a linear movement of the first magnetic member to the eighth magnetic member before / after or after / before Therefore, the first magnetic member to the eighth magnetic member includes an elastic body for applying an elastic force.

In addition, the outer diameter of the elastic body in the present invention is formed smaller than the outer diameter in the first magnetic member to the eighth magnetic portion, the elastic body is formed of a spring.

In the present invention, at least one or more of the first curved wire guide tube means to the eighth curved wire guide tube means is formed of a spring tube, and the first magnetic member to the eighth magnetic member are formed of a permanent magnet. .

In addition, in the present invention, the flexible insertion device is configured to fix the position of the first magnetic member guide tube means, the third magnetic member guide tube means, the fifth magnetic member guide tube means or the seventh magnetic member guide tube means. Further comprising a first position fixing means, wherein the bending operation device of the second magnetic member guide tube means, the fourth magnetic member guide tube means, the sixth magnetic member guide tube means or the eighth magnetic member guide tube It further comprises a second position fixing means for fixing the position.

Further, in the present invention, the curved manipulation device includes the second curved wire guide tube means, the fourth curved wire guide tube means, the sixth curved wire guide tube means, the eighth curved wire guide tube means, and the first curved line. A third position fixing means positioned between the driving portion and the second curved driving portion to fix the positions of the second curved wire means, the fourth curved wire means, the sixth curved wire means and the eighth curved wire means. Include.

Further, in the present invention, at least one or more of the first curved wire guide tube portion to the fourth curved wire guide tube portion is formed of a spring tube.

Also, in the present invention, the first curved wire guide tube portion to the fourth curved wire guide tube portion and the first curved drive portion and the second curved drive portion are positioned between the first curved wire portion and the fourth curved wire portion. It further comprises a position fixing portion for fixing the.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

실시예Example

As shown in FIG. 2, the endoscope system 20 includes an endoscope apparatus 200, a light source apparatus 300, a signal processing apparatus 400, and a display apparatus 500.

First, the endoscope apparatus 200 is inserted into the internal organs or the body cavity of the human body to photograph the subjects of the internal organs or the body cavity, and the light source device 300 is a curved manipulation unit of the endoscope apparatus 200 by the universal cable 202. 203 connected to the light source guide tube 210, 294 (see Fig. 3) to illuminate the light source in the internal organs or body cavity, the signal processing device 400 is the endoscope device 200 by the universal cable 202 Is connected to the curved manipulation unit 203 to receive and process image signals in an internal organ or body cavity, and the display apparatus 500 displays an image obtained by processing a video signal of an internal organ in the signal processing apparatus 400. do.

The endoscope apparatus 200 of the endoscope system 20 consists of the flexible insertion part 201 and the bending operation part 203, and the flexible insertion part 201 is installed in the front-end | tip, the hard tip means 204, and the curvature. Possible bending means 205, flexible means 206 having flexibility, and detachable means 207 (see FIG. 3) detachable from the bending operation portion 203, and the like.

As shown in FIG. 3, the flexible insertion unit 201 has a first light source guide tube 210, a first signal cable 211, and a first wire 216 that guide the light source of the light source device 300. ) And the first wire guide tube 212 to the fourth wire guide tube 215 that guide the fourth wire 219 are inserted therethrough.

3 is a block diagram showing an endoscope apparatus according to the present invention.

As the first wire 216 to the fourth wire 219 are linearly moved in the forward / backward or backward / forward direction, the tip means 204 may be turned left / right / up / down.

On the other hand, the tip means 204 is provided by an illumination window (not shown), an observation window (not shown), an objective lens (not shown) and an objective lens (not shown) that focus the optics of the internal organs of the human body or the subject inside the body cavity. An image sensor (CCD: Charge coupled device) (not shown) for converting light of a focused subject into an image signal is provided.

As shown in FIG. 4, the tip means 204 is connected to the first light source guide tube 210 and the image sensor at the central portion of the tip means 204 to allow the image sensor to capture the internal organ or body cavity. First signal cables 211 for receiving and transmitting a video signal are inserted therethrough.

Further, inside the tip means 204, the first wire guide tube 212 on the upper side, the second wire guide tube 213 on the lower side, and the third on the center left side in a rhombus shape on the inner and outer peripheral portions of the tip means 204. The wire guide tube 214 and the fourth wire guide tube 215 are inserted through the center right side.

4 is a cross-sectional view of the tip means according to the present invention.

Meanwhile, at least one of the first wire guide tube 212 to the fourth wire guide tube 215 may be spirally inserted into the flexible insert 201.

A plurality of curved spheres (not shown) are bent to the curved means 205 by means of rivets, and the first light source guide tube 210, the first signal cable 211, and the first The first wire guide pipe 212 to the fourth wire guide pipe 215 are inserted therethrough.

Here, the first wire guide tube 212 to the fourth wire guide tube 215 may be formed as a spring tube thereby preventing the path departure or power loss of the first wire 216 to the fourth wire 219. It can be minimized.

In addition, the detachable means 207 includes a part of the first position fixing means 220 and the first position fixing means 220 and is fixed, and includes the first elastic body 221 and the first magnetic member 222 to the fourth. The first magnetic member guide tube 226 to the fourth magnetic member guide tube 229 and the first magnetic member 225 to guide the first magnetic member 222 to the fourth magnetic member 225 by including the magnetic members 225 therein, respectively. The first connector 230 is connected to the first signal cable 211 and receives and transmits an image signal of an internal organ or a body cavity photographed by an image sensor (not shown) of the tip unit 204.

In addition, one side of the first wire guide tube 212 to the fourth wire guide tube 215 is located in the distal end means 204 of the flexible insert 201, the other side of the first magnetic member guide tube 226 To fourth magnetic member guide tubes 229, respectively.

Meanwhile, one side of the first wire 216 to the fourth wire 219 is connected and fixed to the tip means 204 through the first wire guide tube 211 to the fourth wire guide tube 215, and the other side is The first magnetic member 222 to the fourth magnetic member 225 of the detachable means 207 are connected and fixed, respectively.

One side of the first signal cable 211 is connected to an image sensor (not shown), and the other side is connected to the first connector 230 of the detachable means 207.

Meanwhile, the first elastic bodies 221 include a part of the first wires 216 to the fourth wires 219, respectively, and are formed by the first magnetic members 222 to the fourth magnetic members 225. The first magnetic guide tube 226 to the fourth magnetic guide tube 229 are sealed inside.

The first magnetic member 222 to the fourth magnetic member 225 are included so that the first elastic body 221 is sealed in the first magnetic guide tube 226 to the fourth magnetic guide tube 229, and the first Each of the wires 216 to fourth wires 219 is fixedly connected.

On the other hand, the size of the first magnetic member 222 to the fourth magnetic member 225 is formed in the size of 4mm ~ 6mm × 4mm ~ 16mm, the first magnetic guide tube 226 to the fourth magnetic guide The inner diameter of the tube 229 is 5 mm to 7 mm in size, and the depth may be formed to a depth of 35 mm to 45 mm.

Here, the outer diameters of the first elastic bodies 221 may be smaller than the outer diameters of the first magnetic member 222 to the fourth magnetic member 225.

The first elastic body 221 may be formed of a compression spring, thereby minimizing power loss when restoring the first magnetic member 222 to the fourth magnetic member 225.

If the elastic value of the first elastic bodies 221 is 0, the outer surface of the first magnetic member 222 to the fourth magnetic member 225 in the detachable portion F is perpendicular to the outer surface of the detachable means 207. It is desirable to be on board.

In addition, the first magnetic member 222 to the fourth magnetic member 225 may be formed of a magnetic material such as a permanent magnet.

Meanwhile, as illustrated in FIG. 5, the first magnetic guide tube 226 to the fourth magnetic guide tube 229 may be formed in a square shape on the inner surface of the first position fixing means 220.

Here, FIG. 5 is sectional drawing of the detachable means which looked at the detachable part F which concerns on this invention in the F 'direction.

In detail, the first magnetic guide tube 226 is located at the upper left side, the second magnetic guide tube 227 is located at the upper right side in the first position fixing means 220, and the third magnetic guide tube ( 228 is located at the lower left side, and the fourth magnetic guide tube 229 is located at the lower right side.

In addition, the first magnetic member 222 to the fourth magnetic member 225 are each included in the first magnetic guide tube 226 to the fourth magnetic guide tube 229, respectively, the first wire 216 to the first The four wires 219 are fixed to one side of each other.

The first connector 230 or the first light source guide tube 210 may be formed under the first position fixing means 220.

Meanwhile, as illustrated in FIG. 3, the curved manipulation part 203 is partially fixed to the inside of the second position fixing means 231 and the second position fixing means 231, and the second elastic body 232 and the fifth magnetic member are fixed. The fifth magnetic guide tube 237 to the eighth magnetic guide tube (233) to include the eighth magnetic member 236 therein to guide the fifth magnetic member 233 to the eighth magnetic member 236, respectively. 240, a fifth wire guide tube 285 connected to one side of the fifth magnetic guide tube 237 to eighth magnetic guide tube 240 and for guiding the fifth wire 281 to eighth wire 284, respectively. ) Is connected to one side of the eighth wire guide tube 288, the fifth wire guide tube 285, and the eighth wire guide tube 288 to fix the positions of the fifth wire 281 to the eighth wire 284. The third position fixing means 289, the fifth wire by rotating in the forward / reverse or reverse / forward direction according to the up / down / left / right control signal Endoscope consisting of a curved drive unit 290 for bending the flexible insertion unit 201 to the left / right / up / down by linearly moving the (281) to eighth wire (284) in the front / back or back / front direction, respectively Control unit 291 for applying the steering device of the control unit and the up / down / left / right control signals according to the up / down / left / right bending operation signals to the bending driver 290 and the up / down / left according to the user's operation. And a curved manipulation unit 292 for applying the right / right curved manipulation signal to the controller 291.

In addition, the curved manipulation unit 203 is connected to the first connector 230 of the detachable means 207 and to the second connector 293 and the first light source guide tube 210 for receiving and transmitting the image signal of the image sensor. And a second signal cable 295 connected to the second light source guide tube 294 and the second connector 293 for guiding the light source with the tip means 204 to transmit an image signal.

Here, the second light source guide tube 294 or the second signal cable 295 is inserted through the curved manipulation unit 203.

Meanwhile, as shown in FIGS. 6 to 8, the steering apparatus of the endoscope includes a part of the second position fixing means 231 and the second position fixing means 231 and is fixed to the second elastic body 232 and the first. The fifth magnetic guide tube 237 to the eighth magnetic guide tube 240 and the fifth magnetic guide tube 237 to the fifth magnetic member 233 to the eighth magnetic member 236, respectively; The fifth wire guide tube 285 to the eighth wire guide tube 288 and the fifth wire guide connected to the eight magnetic guide tube 240 to respectively guide the fifth wire 281 to the eighth wire 284. Third position fixing means 289 connected to the tubes 285 to the eighth wire guide tubes 288 to fix the positions of the fifth wire 281 to the eighth wire 284, respectively up / down / left The fifth wire 281 to the eighth wire 284 are rotated in the forward / reverse or reverse / forward directions according to the right / right control signals. It may be formed of a curved drive unit 290 to linearly move in the / after or after / front direction.

6 is a perspective view of the endoscope steering apparatus according to the present invention, FIG. 7 is a rear view of the endoscope steering apparatus according to the present invention, and FIG. 8 is a side view of the endoscope steering apparatus according to the present invention.

On the other hand, the second elastic body 232 is sealed in the fifth magnetic guide tube 237 to the eighth magnetic guide tube 240 by the fifth magnetic member 233 to the eighth magnetic member 236.

Here, the second elastic body 232 may be formed of a compression spring, thereby minimizing power loss when restoring the fifth magnetic member 233 to the eighth magnetic member 236.

In addition, the fifth wire guide tube 285 to the eighth wire guide tube 288 may be formed as a spring tube, thereby preventing the path departure or power loss of the fifth wire 281 to the eighth wire 284. Can be minimized.

In addition, the fifth magnetic guide tube 237 to the eighth magnetic guide tube 240 may be formed in a square shape inside the second position fixing means 231 as shown in FIG. 9.

Here, FIG. 9 is sectional drawing of the curved operation part which looked at the detachable part F which concerns on this invention in the F "direction.

In detail, the fifth magnetic guide tube 237 is located at the lower right side of the second position fixing means 231, and the sixth magnetic guide tube 238 is located at the upper right side, and the seventh magnetic guide tube ( 239 is located at the upper left side, and the eighth magnetic guide tube 240 is located at the lower left side.

Here, when the flexible inserting portion 201 and the curved manipulation portion 203 are detached from the detachable portion F, the fifth magnetic guide tube 237 to the eighth magnetic guide tube 240 are the flexible insertion portion ( The first magnetic guide tube 226 to the fourth magnetic guide tube 229 of 201 are attached to and detached from each other.

In addition, the fifth magnetic member 233 to the eighth magnetic member 236 may be the first magnetic member 222 to the fourth when the detachable means 207 of the curved manipulation unit 203 and the flexible insertion unit 201 is attached or detached. Each of the magnetic members 225 is attached and detached to correspond to each other, and the second connector 293 is also attached to and detached from the first connector 230 of the flexible insertion unit 201, and the second light source guide 294 also includes the first light source guide ( Detachable with 210).

Meanwhile, the sizes of the fifth magnetic member 233 to the eighth magnetic member 236 may be formed to have a size of 4 mm to 6 mm x 4 mm to 16 mm, and the fifth magnetic guide tube 237 to eighth. The inner diameter of the magnetic guide tube 240 may have a size of 5 mm to 7 mm and a depth of 35 mm to 45 mm.

Accordingly, the first magnetic wire 216 to the fourth wire 219 may be the fifth magnetic member 233 to the eighth magnetic member 236 from the first magnetic member 222 to the fourth magnetic member 225, respectively. Correspondingly, when the fifth wires 281 to 8th wires 284 are linearly moved forward / backward or backward / forward, the direction of the tip means 204 can be reversed left / right / up / down. have.

6 to 8, the first curved drive unit 290a to which the first pulley 290c is connected and the second curved drive unit 290b to which the second pulley 290d are connected as shown in FIGS. 6 to 8. ).

Here, the first pulley 290c and the second pulley 290d are connected and fixed to the first curved drive means 290a and the second curved drive means 290b by fixing means 296, respectively, and serve as pulleys. When the first curved drive means 290a or the second curved drive means 290b rotates in the forward / reverse or reverse / forward directions, the fifth wire 281 to the eighth wire 284 in the forward / backward or backward / forward direction. Make a linear motion.

The first pulley 290c or the second pulley 290d includes a fifth wire 281 when the first curved drive means 290a or the second curved drive means 290b rotates in the forward / backward or reverse / forward direction. ), The sixth wire 282 or the seventh wire (283) and the eighth wire (284) is preferably formed so that the grooves are not separated from the first pulley (290c) or the second pulley (290d), respectively.

At this time, the fifth wire 281 is connected to the first pulley 290c so as to linearly move in the forward / backward / backward / forward direction when rotating in the forward / reverse or reverse / forward direction of the first curved driving means 290a, The sixth wire 282 is connected to the first pulley 290c so as to be linearly moved in the back / front or front / back direction with respect to the fifth wire 281, and the seventh wire 283 is the second curved driving means. 290b is connected to the second pulley 290d so as to linearly move forward / backward or backward / forward when rotating in the forward / reverse or reverse / forward directions, and the eighth wire 284 is connected to the seventh wire 283. On the contrary, it is preferable to be connected to the second pulley 290d so as to linearly move in the back / front or front / rear direction.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

In the endoscope consisting of a light source guide tube for guiding the light source into the human body, an image sensor positioned on the tip means to photograph the inside of the human body, and a signal cable connected to the image sensor to transmit the image of the inside of the human body. ,

A first curved wire portion to a fourth curved wire portion for redirecting the distal end means according to a linear movement before / after or after / before;

A first curved drive unit which linearly moves the first curved wire part and the second curved wire part forward / backward or backward / frontward when rotated in a forward / reverse or reverse / forward direction by a control signal;

A second curved drive part which linearly moves the third curved wire part and the fourth curved wire part forward / backward or backward / before when rotating in the forward / backward or reverse / forward direction by a control signal;

A first curved wire guide tube portion to a fourth curved wire guide tube portion guiding the first curved wire portion to the fourth curved wire portion, respectively;

An endoscope including a control unit for applying a control signal to the first curved drive unit or the second curved drive unit in accordance with the up / down / left / right key signal.
The method of claim 1,

The first curved drive unit

The first curved wire part is connected to the first curved wire part such that the first curved wire part linearly moves forward / backward or backward / front when rotated in the forward / reverse direction or the reverse / forward direction, and opposite to the first curved wire part. Is connected to the second curved wire portion so as to linearly move,

The second curved drive unit

The third curved wire part is connected to the third curved wire part such that the third curved wire part linearly moves forward / backward or backward / front when rotated in the forward / reverse direction or the reverse / forward direction, and opposite to the third curved wire part. An endoscope connected to the fourth curved wire portion to linearly move.
The method of claim 2,

The first curved drive unit

The first curved wire part is connected to the first curved wire part such that the first curved wire part linearly moves forward / backward or backward / front when rotated in the forward / reverse direction or the reverse / forward direction, and opposite to the first curved wire part. A first pulley connected to the second curved wire part to linearly move,

The second curved drive unit

The third curved wire part is connected to the third curved wire part such that the third curved wire part linearly moves forward / backward or backward / front when rotated in the forward / reverse direction or the reverse / forward direction, and opposite to the third curved wire part. An endoscope including a second pulley connected to the fourth curved wire portion to linearly move.
The method of claim 3,

An endoscope having a groove formed in the first pulley or the second pulley such that the first curved wi part to the fourth wire part are not separated outward.
The method of claim 1,

The endoscope includes the first curved drive unit, the second curved drive unit, a curved manipulation device including the control unit, and a flexible insertion device including the front end means and detachable from the curved manipulation device.

The first curved wire portion is composed of a first curved wire means included in the flexible inserting device and a second curved wire means included in the curved manipulation device,

The second curved wire part is composed of a third curved wire means included in the flexible inserting device and a fourth curved wire means included in the curved manipulation device,

The third curved wire part includes a fifth curved wire means included in the flexible insertion apparatus and a sixth curved wire means included in the curved manipulation device;

The fourth curved wire part is composed of a seventh curved wire means included in the flexible inserting device and an eighth curved wire means included in the curved manipulation device,

The first curved wire guide tube portion is composed of a first curved wire guide tube means for guiding the first curved wire means and a second curved wire guide tube means for guiding the second curved wire means,

The second curved wire guide tube portion is composed of a third curved wire guide tube means for guiding the third curved wire means and a fourth curved wire guide tube means for guiding the fourth curved wire means,

The third curved wire guide tube portion is composed of a fifth curved wire guide tube means for guiding the fifth curved wire means and a sixth curved wire guide tube means for guiding the sixth curved wire means,

And said fourth curved wire guide tube portion comprises an seventh curved wire guide tube means for guiding said seventh curved wire means and an eighth curved wire guide tube means for guiding said eighth curved wire means.
The method of claim 5,

The flexible inserting device may include a first magnetic member, a third magnetic member, each of which is fixed to one side of the first curved wire means, the third curved wire means, the fifth curved wire means and the seventh curved wire means, respectively. First magnetic member guide tube means for guiding the fifth magnetic member and the seventh magnetic member, respectively; Third magnetic member guide tube means; A fifth magnetic member guide tube means; And a seventh magnetic member guide tube means,

The curved manipulation device may include: a second magnetic member guide tube means for guiding a second magnetic member that is attached to and fixed to one side of the second curved wire means when the flexible insertion apparatus is detached from the first magnetic member; Fourth magnetic member guide tube means for guiding a fourth magnetic member that is detached from the third magnetic member and connected and fixed to one side of the four curved wire means; Sixth magnetic member guide tube means for guiding a sixth magnetic member that is ligated with the fifth magnetic member and fixedly connected to one side of the sixth curved wire means; And an eighth magnetic member guide tube means for guiding the eighth magnetic member detachably attached to the seventh magnetic member and connected to and fixed to one side of the eighth curved wire means.
The method of claim 6,

At least one or more of the first magnetic member guide tube means to the eighth magnetic member guide tube means may be formed of the first magnetic member as the first magnetic member to the eighth magnetic member linearly move forward / backward or backward / before. An endoscope comprising an elastic body for applying an elastic force to the member to the eighth magnetic member.
The method of claim 7, wherein

An outer diameter of the elastic body is formed to be smaller than the outer diameter in the first to eighth magnetic member.
The method of claim 7, wherein

The elastic body is an endoscope formed of a spring.
The method of claim 5,

At least one of the first curved wire guide tube means to the eighth curved wire guide tube means is an endoscope formed of a spring tube.
The method of claim 6,

The first magnetic member to the eighth magnetic member is an endoscope formed of a permanent magnet.
The method of claim 6,

The flexible insertion device

Further comprising first position fixing means for fixing the position of the first magnetic member guide tube means, the third magnetic member guide tube means, the fifth magnetic member guide tube means or the seventh magnetic member guide tube means,

The curved manipulation device

The second end member fixing means for fixing the position of the second magnetic member guide tube means, the fourth magnetic member guide tube means, the sixth magnetic member guide tube means or the eighth magnetic member guide tube.
The method of claim 5,

The curved manipulation device

Located between the second curved wire guide tube means, the fourth curved wire guide tube means, the sixth curved wire guide tube means, the eighth curved wire guide tube means and the first curved drive part and the second curved drive part. And third positioning means for fixing the positions of the second curved wire means, the fourth curved wire means, the sixth curved wire means and the eighth curved wire means.
The method of claim 1,

At least one of the first curved wire guide tube portion to the fourth curved wire guide tube portion is an endoscope formed of a spring tube.
The method of claim 1,

A position between the first curved wire guide tube portion and the fourth curved wire guide tube portion and the first curved drive portion and the second curved drive portion to fix the position of the first curved wire portion to the fourth curved wire portion; Endoscope to include more government.