WO2019112176A1 - Catheter introducer for endoscope apparatus - Google Patents

Abstract

The present invention relates to a catheter introducer for an endoscope apparatus, wherein the catheter introducer is mounted on an endoscope apparatus and operates a driving unit which interworks with a rotation operating unit, so as to insert a catheter into a flexible cable part or discharge the same to the outside, and the endoscope apparatus comprises: a handle part for operating the endoscope apparatus; and the flexible cable part which is coupled to the handle part and includes a catheter insertion port through which a catheter is inserted and discharged. According to the present invention, not only can the catheter introducer easily adjust a length of a catheter to be inserted into a body through the rotation operating unit, the driving unit and the like, but the catheter introducer facilitates precise diagnosis and treatment of a lesion as well as insertion into a lesion.

Description

Catheter inserter for endoscopic device

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a catheter inserter for an endoscope apparatus, and more particularly, to a catheter inserter for an endoscope apparatus that can easily adjust the length of a catheter inserted into the body.

Generally, a medical catheter is inserted into the human body to accurately grasp the condition of the affected part, and then it is used for ablating or cauterizing or injecting the drug into the affected part.

The catheter is formed in the form of a thin tube made of synthetic resin or metal, and the practitioner inserts the body connected to the thin tube into the affected part of the patient and holds it by hand.

In addition, the endoscopic catheter apparatus can be used in various fields, and can be used to observe and treat the stomach mucosa in the case of gastroscopy, the intestinal mucosa in the case of the colonoscopy, and the organ or tissue in the abdominal cavity in the case of the endocardial endoscope.

Typically, an operation using an endoscopic catheter apparatus is performed while an operator holds the catheter body and monitors an image obtained through the imaging means.

For example, Korean Patent Laid-Open Publication No. 10-2013-0009807 entitled "Endoscopic Catheter" discloses an endoscope catheter having a catheter body held by a hand and adjusting the length of the catheter body inserted into the patient's body and the direction of the tip portion, , Coagulation hemostasis, smoking, and the like.

It is an object of the present invention to provide a catheter inserter for an endoscope apparatus which can easily adjust the length of a catheter inserted into a body through a rotary operation unit and a driving unit.

It is also an object of the present invention to provide a catheter inserter for an endoscope apparatus that can precisely control a driving unit through an operation unit and a control unit, and can easily perform a forward and backward repetitive operation of the catheter through a driving unit.

A catheter inserter for an endoscope apparatus according to an embodiment of the present invention is mounted on an endoscope apparatus including a handle portion for operating an endoscope apparatus and a flexible cable portion coupled to the handle portion and having a catheter insertion port into which a catheter is inserted and discharged , And the rotation operating part is operated in conjunction with the operation of the driving part to insert the catheter into the flexible cable part or to discharge the catheter to the outside.

The catheter inserter includes an inserter body having one end connected to the catheter insertion port, an inlet formed at the other end, and a passageway formed therein so that the catheter can move; A rotation operation unit mounted on the inserter body and mounted with a rotation shaft at left and right or upward and downward intervals, and a rotation pulley provided with a pressing protrusion around the rotation shaft; And a driving unit mounted on the inserter body, the driving unit including a driving shaft having one end coupled to a rotational shaft of the rotary actuating unit and a rotary knob coupled to the other end of the driving shaft, respectively.

The catheter inserter may further include: an inserter body coupled to the catheter insertion port and having a passageway therein so that the catheter can move; A rotation operation unit mounted on the inserter body and mounted with a rotation shaft at left and right or upward and downward intervals, and a rotation pulley provided with a pressing protrusion around the rotation shaft; And a forward and reverse rotation motors respectively coupled to the rotary actuators and supplying rotational force in a forward direction or a reverse direction when power is supplied; An operation unit for controlling operation and direction of the driving unit; And a control unit for supplying power of the power supply unit to the driving unit in accordance with the signal of the operation unit and controlling the rotation speed and the rotation direction of the driving unit.

Here, a position adjusting hole is formed on the upper and lower sides or the left and right sides of the inserter body to form a plurality of fitting grooves, the position adjusting hole is provided with a plurality of fixed engaging grooves, The engaging groove and the fixed engaging groove can be fitted with a fixing pin. There

The rotary pulley and the pressing protrusion may be formed of rubber, silicon, or synthetic resin, and the pressing protrusion may be formed in any one of a circle, a triangle, a gear, a ratchet, a wedge, and an arrowhead.

Further, the inlet of the inserter body may be disposed at the center, and an inclined surface may be formed between the inlet and the edge.

In addition, a blocking plate having an incision may be detachably mounted on an inner surface of an inlet of the inserter body so as to prevent foreign substances from entering the catheter when the catheter is introduced.

The lower portion of the inserter body may be detachably attached to the lower portion of the inserting portion formed of rubber or silicon so as to block the backflow material flowing backward.

In addition, an inserting cap made of rubber or silicone is optionally installed at the entrance of the inserter body to prevent the supply water or the countercurrent material from being discharged to the outside when the catheter is inserted or the liquid is sucked into the inside of the body, The stopper has a cap fixing part formed in a cylindrical shape with a through hole formed at the center thereof and a stopper which is detachably mounted on the upper part of the stopper fixing part and is fitted into the through hole and has a cut- A cap having a coupling part may be mounted.

According to the present invention, the length of the catheter inserted into the body can be easily adjusted through the rotary operation unit, the driving unit, etc., as well as being capable of precise diagnosis and treatment of the affected part as well as entering the affected part.

In addition, while the driving unit is precisely controlled through the operation unit and the control unit, the operation of repeating the forward and backward movement of the catheter can be facilitated through the driving unit, and the operation time and cost can be reduced.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a configuration diagram showing a catheter inserter for an endoscope apparatus according to the present invention; Fig.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a catheter inserter for endoscopes.

3 and 4 are a plan view and a cross-sectional view illustrating an inserter body, a rotary operation portion, and a driving portion constituting a catheter inserter for an endoscope apparatus according to the present invention.

5 and 6 are a plan view and a cross-sectional view showing another embodiment of the inserter body, the rotary operation portion and the driving portion constituting the catheter inserting device for an endoscope apparatus according to the present invention.

Figs. 7 to 13 are views showing still another embodiment of the inserter body and the rotation operating part constituting the catheter inserting device for an endoscope apparatus according to the present invention. Fig.

14 is a view showing a state of use of the catheter inserter for an endoscope apparatus according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. And is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined by the claims. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. It is noted that " comprises, " or "comprising," as used herein, means the presence or absence of one or more other components, steps, operations, and / Do not exclude the addition.

1 is a schematic view illustrating a catheter inserter for an endoscope apparatus according to the present invention. FIG. 2 is a perspective view of a catheter inserter for an endoscope apparatus according to the present invention. FIGS. 3 and 4 are a plan view and a cross-sectional view showing an inserter body, a rotary operation unit, and a driving unit constituting the catheter inserter for an endoscope apparatus according to the present invention. FIGS. 5 and 6 are cross- Sectional view showing another embodiment of the inserter body, the rotary actuating part and the driving part constituting the catheter inserter for an endoscope apparatus according to the present invention. Figs. 7 to 13 are cross- And a rotary operation unit according to another embodiment of the present invention.

The catheter inserter 100 for an endoscope apparatus of the present invention includes a handle 20 for operating an endoscope apparatus and a catheter insertion port 32 coupled to the handle 20 and into which the catheter 40 is inserted and discharged And is mounted to the endoscope apparatus 10 including the flexible cable portion 30. [

The catheter inserter 100 for an endoscope apparatus includes a catheter 40 that is attached to an endoscope apparatus 10 composed of a handle portion 20 and a flexible cable portion 30 and moves the catheter insertion port 32, Thereby controlling the moving speed and length of the moving object.

Here, the endoscope apparatus 10 is not limited to the drawings, and it is understood that a known endoscope apparatus can be applied according to circumstances, environment, and the like.

The endoscopic device catheter inserter 100 includes an inserter body 200, a rotary operation unit 300, a driving unit 400, an operation unit 500, a power supply unit 600, and a control unit 700.

The inserter body 200 is mounted on the catheter insertion port 32 constituting the flexible cable portion 30. [

The inserter body 200 has a predetermined size, and one end is coupled to the catheter insertion port 32 by any one of or a combination of coupling structures such as a spiral coupling, a fitting coupling, and a bracket coupling. And a passage 220 is formed therein for movement of the catheter 40.

In other words, the inserter body 200 has one end coupled to the catheter insertion port 32, the other end formed with an inlet 210, and a passageway 220 formed therein, Or outward.

Here, the shape of the inserter body 200 may vary depending on the catheter insertion port 32 constituting the flexible cable part 30. [

In addition, a position adjusting hole 240 is formed on the upper and lower sides or the left and right sides of the inserter body 200, in which a plurality of fitting grooves 242 are formed.

In other words, the inserter body 200 is provided with an insertion adjustment groove 242 provided on the upper and lower portions or the left and right sides so as to adjust the interval of the rotary operation portion 300 according to the size of the catheter 40 A hole 240 is formed. At this time, the inserter body 20) is formed into a square shape in a plan view for smooth engagement.

The inlet 210 of the inserter body 200 is disposed at the center and the inclined surface 260 is formed between the inlet 2100 and the edge.

That is, the inclined surface 260 is inclined toward the center at the edge, and serves to guide the catheter 40 to the passage 220 when the catheter 40 is contacted.

A blocking plate 280 provided with an incision 282 is provided on the inner surface of the inlet 210 constituting the inserter body 200 so as to block foreign substances from entering the catheter 40 when the catheter 40 is introduced. Respectively.

Here, the blocking plate 280 is formed of rubber or silicone for smooth movement while preventing the catheter 40 from being damaged.

That is, the blocking plate 280 is fixed to the inlet 210 constituting the inserter body 260, and the catheter 40 is moved through the incision 282 formed at the center of the inserter body 280 It is possible to remove foreign matter or moisture on the outer surface.

A lower difference judgment 290 including a cutout portion 292 formed of rubber or silicone is installed on the lower portion of the inserter body 200 so as to cut off the backwash material flowing back during the procedure, . (See Figure 10)

That is, the inserter body 200 is equipped with a lower blocking plate 290 having a cutout 292 at its lower portion to block the lower portion of the inserter body 200 according to the characteristics of the normal material, The incision 292 is opened by the catheter 400 or the medical instrument.

The inlet 210 of the inserter body 200 is made of rubber or silicone so that the catheter 400 can be inserted into the body or the supply water or the countercurrent material can be prevented from being discharged to the outside when the liquid is sucked into the inside of the body. The blocking cap 800 can be selectively mounted. (See Fig. 12)

The blocking cap 800 includes a cap fixing part 820 having a cylindrical shape and a coupling part 822 formed at the center thereof with a through hole 824 and a cap fixing part 820 formed on the cap fixing part 8200 And a stopper 840 having a stopper attachment portion 842 formed with a cut-off portion 844 having a cutout portion 846 is fitted in the through hole 824 Reference)

That is, the stopper 800 separates the stopper 840 from the stopper securing portion 820 when using a procedure or the like, and then inserts a medical instrument such as the catheter 400 into the stopper 844 through the cut- And when not in use, the cap 840 closes the upper portion of the cap fixing part 820.

Here, the shape of the blocking cap 800 is not limited to the illustrated one, and various structures having an open / close structure may be selectively applied.

The rotation operation part 300 is mounted on the inserter body 200.

The rotation operation unit 300 is mounted with a rotation axis 320 at left and right or upward and downward intervals and a rotation pulley 340 having a pressing projection 360 around the rotation axis 320, Respectively.

That is, when the driving unit 400 is operated, the rotation operation unit 300 interlocks with the rotation axis 320 and the rotation pulley 340 to rotate the catheter 40, which is located in the passage 220 of the inserter body 200, Or discharged to the outside.

Here, the rotation pulley 340 and the pressing protrusion 360 are formed of rubber, silicone, or synthetic resin, and the pressing protrusion 360 is formed in any one of a circle, a triangle, a gear, a ratchet, a wedge, and an arrowhead .

The rotary pulley 340 wound on the rotary shaft 320 and the pressing projection 360 formed on the rotary pulley 340 are formed of any one of rubber, silicone, and synthetic resin, The catheter 40 passing through the passage 220 of the catheter 200 is prevented from being damaged and the occurrence of slip through the pressing protrusion 360 formed along the periphery of the pressing protrusion 360 is minimized.

Further, a fixed engaging groove 380 may be formed on the outer surface of the rotary actuating part 300 with an interval.

That is, the rotary operation part 300 is moved and adjusted along the position adjusting hole 240 according to the size of the catheter 40, and is then fitted into the fitting engagement groove 242 and the fixed engagement groove 380 And is fixed to the fixing pin (P).

The driving unit 400 is mounted on the body of the inserter body 200 and is composed of two embodiments.

The driving unit 400 includes a driving shaft 420 having one end connected to the rotating shaft 320 of the rotating operation unit 300 and a rotating handle 410 coupled to the other end of the driving shaft 420 .

That is, the driving unit 400 has one end of the driving shaft 420 fixed to the center of the rotating shaft 320 constituting the rotating operation unit 300 and the other end protruding to the outside while mounting the rotating handle 410 When the operator rotates the rotary knob 410 in a forward or reverse direction, the rotation axis 320 of the rotary operation unit 300 interlocks with the operation knob 410 to insert the catheter 40 or eject the catheter 40 to the outside.

In addition, the driver 400 operates the rotary knob 410 in one direction or the opposite direction to insert or eject the catheter 40 while changing the position of the catheter 40.

Next, the driving unit 400 includes a forward and reverse rotation motor capable of forward and reverse rotation.

That is, the driving unit 400 rotates the rotation operation unit 300 in the forward or reverse direction when signal is transmitted from the operation unit 600 and the control unit 700 and when power is supplied through the power supply unit 500, respectively.

The operation unit 500 controls the operation and direction of the driving unit 400.

The operation unit 500 includes an on / off button 510, a forward button 520, and a reverse button 530, which are mounted on the handle unit 20.

That is, the operation unit 500 is mounted on the handle unit 20 and supplies power of the power supply unit 600 to the driving unit 400 through the ON / OFF button 510 according to the operation of the operator, The catheter 40 is inserted into the catheter 40 through the catheter 520 and the catheter 40 is discharged through the backward button 530 to the outside.

The power supply unit 600 is mounted on the handle unit 20 or the flexible cable unit 30 and supplies external power or self power.

That is, the power supply unit 600 transmits the external power supply or the self power supply to the driving unit 400 when the operation unit 500 transmits the operation signal.

The controller 700 is mounted on the handle 20 or the flexible cable 30.

The control unit 700 supplies the power of the power supply unit 600 to the driving unit 400 according to a signal of the operation unit 500 and controls the driving unit 400 in the rotating speed and the rotating direction.

Here, the controller 700 may be variously modified according to the configuration, and a detailed description thereof will be omitted.

An embodiment of the catheter inserter for an endoscope apparatus configured as above will be described as follows.

A flexible cable portion 30 including a handle portion 20 for operating an endoscope and a catheter insertion port 32 coupled to the handle portion 20 and through which the catheter 40 is inserted and discharged, Thereby constituting the apparatus 10.

The catheter insertion port 32 of the flexible cable unit 30 has a predetermined size and the catheter insertion port 32 is coupled to the catheter insertion port 32 by any one of or combination of coupling structures such as helical coupling, And an inserter body 200 in which a passage 220 is formed for the movement of the catheter 40.

A rotating shaft 320 is mounted on the inserter body 200 at left and right or up and down directions with a gap therebetween and a rotating pulley 320 having a pressing protrusion 360 around the rotating shaft 320 The driving unit 400 is mounted on the inserter body 200. The driving unit 400 includes a forward and reverse rotation motor capable of forward and reverse rotations.

After the operation unit 500 including the ON / OFF button 510, the forward button 520 and the backward button 530 is mounted on the handle 20, the handle unit 20 or the flexible cable unit The assembly of the endoscopic catheter inserter 100 is completed when the power supply unit 600 is attached to the handle unit 20 or the flexible cable unit 30.

Here, it is noted that the assembling procedure of the catheter inserter for an endoscope apparatus can be performed differently from the above.

Next, a catheter inserter for an endoscope apparatus configured as above will be used.

First, the power of the power supply unit 600 is transmitted to the driving unit 400 by operating the on / off button 510 and the control unit 700 of the operation unit 500 located on the handle unit 20.

When the catheter 40 is inserted into the passageway 220 of the inserter body 200 and the push button 520 of the operation unit 500 is pushed, The rotary shaft 320 and the rotary pulley 340 constituting the rotary shaft 320 rotate in the forward direction.

At this time, the catheter 40 is brought into surface contact with the pressing projection 360 formed on the rotating pulley 340 and inserted into the flexible cable portion 30 through the passage 220 of the inserter body 200 along the rotating direction And is constantly inserted.

When the catheter 40 reaches the predetermined position, the operator uses the forward button 520 and the backward button 530 to adjust the position of the catheter 40 to measure the condition of the affected part, Ablation) or cauterization.

When the user pushes the backward button 530 of the manipulation unit 500 after the patient's operation is finished, the driving unit 400 rotates the rotation shaft 320 and the rotation pulley 340 constituting the rotation operation unit 300 in opposite directions Rotation operation.

At this time, the catheter 40 is brought into surface contact with the pressing projection 360 formed on the rotary pulley 340 and is moved to the outside of the flexible cable portion 30 through the passage 220 of the inserter body 200 along the rotating direction It is discharged constantly.

The foregoing description is merely illustrative of the technical idea of the present invention and various changes and modifications may be made without departing from the essential characteristics of the present invention.

Therefore, the embodiments described in the present invention are not intended to limit the scope of the present invention, but are intended to be illustrative, and the scope of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas which are equivalent or equivalent thereto should be interpreted as being included in the scope of the present invention.

Claims (9)

An endoscope apparatus including a handle portion for operating an endoscope apparatus and a flexible cable portion coupled to the handle portion and having a catheter insertion port into which a catheter is inserted and discharged, Wherein the catheter inserter is mounted on the endoscope apparatus so that the rotation operating unit is interlocked with the operation of the driving unit to insert the catheter into the flexible cable unit or to discharge the catheter into the flexible cable unit. The catheter according to claim 1, An inserter body having one end connected to the catheter insertion port, an inlet formed at the other end, and a passageway formed therein so that the catheter can be moved; A rotation operation unit mounted on the inserter body and mounted with a rotation shaft at left and right or upward and downward intervals, and a rotation pulley provided with a pressing protrusion around the rotation shaft; And And a driving unit mounted on the inserter body, the driving unit including a driving shaft having one end coupled to a rotational shaft of the rotary actuating unit and a rotary knob coupled to the other end of the driving shaft, respectively. The catheter according to claim 1, An inserter body coupled to the catheter insertion port and having a passageway therein for allowing movement of the catheter; A rotation operation unit mounted on the inserter body and mounted with a rotation shaft at left and right or upward and downward intervals, and a rotation pulley provided with a pressing protrusion around the rotation shaft; And a forward and reverse rotation motors respectively coupled to the rotary actuators and supplying rotational force in a forward direction or a reverse direction when power is supplied; An operation unit for controlling operation and direction of the driving unit; And And a control unit for supplying power of the power supply unit to the driving unit according to a signal of the operation unit, and controlling the rotation speed and rotation direction of the driving unit. The method according to claim 2 or 3, A position adjusting hole is formed on the upper and lower sides or left and right sides of the inserter body to form a plurality of fitting grooves. The position adjusting hole is provided with a plurality of fixed engaging grooves, And a fixing pin is fitted and fixed to the fixed engaging groove. The method according to claim 2 or 3, Wherein the rotation pulley and the pressure projection are formed of rubber, silicon, or synthetic resin, and the pressure projection is formed in any one of a circular shape, a triangle shape, a gear, a ratchet, a wedge, and an arrowhead. 3. The method of claim 2, Wherein an inlet of the inserter body is disposed at the center and an inclined surface is formed between the inlet and the edge of the inserter body. 3. The method of claim 2, Wherein a blocking plate having a cut-out portion is detachably mounted on an inner surface of an inlet of the inserter body so as to block foreign substances from entering the catheter when the catheter is introduced. 3. The method of claim 2, Wherein the lower portion of the inserter body is detachably mounted on the lower portion of the inserter body, the inserting portion being formed of rubber or silicon so as to block the backflow material flowing backward. 3. The method of claim 2, A cut-off stopper made of rubber or silicone is selectively installed at an inlet of the inserter body so as to prevent the supply water or the counter current material from being discharged to the outside when the catheter is inserted or the liquid is sucked into the inside of the body, The stopper has a cap fixing part formed in a cylindrical shape with a through hole formed at the center thereof and a stopper which is detachably mounted on the upper part of the stopper fixing part and is fitted into the through hole and has a cut- Wherein a stopper having a coupling portion is mounted.

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