JP2009233176A - Wire retaining device, and medical image diagnostic apparatus using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wire retaining device capable of facilitating the handling of a wire in a procedure using the wire, and to provide a medical image diagnostic apparatus using the same. <P>SOLUTION: This wire retaining device is provided with a base 12 for being fixed to a bed 32, and a column section 18 vertically extending from the base 12, wherein the column section 18 is equipped with a winding section 22 for winding the wire 23 including a catheter, and a wire hanging tool 28 for hanging the wire 23. The column section 18 has a movable section 26 for lifting/lowering or rotating the wire hanging tool 28. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a wire holder for holding a guide wire, a catheter, and the like, and a medical image diagnostic apparatus using the wire holder.

  In recent surgery, under X-ray fluoroscopy and radiography, a guide wire is inserted into the blood vessel of the subject, the catheter in the guide wire is operated, the catheter is advanced to the lesion, Treatment method called Interventional Radiology (hereinafter abbreviated as IVR) that suppresses the invasion to the subject that percutaneously inserts a therapeutic instrument or sucks and excludes the contents, Procedures that use both X-ray diagnostic equipment and wires, such as ERCP (endoscopic retrograde cholangiopancreatic duct construction) that performs X-ray irradiation after the endoscope is advanced to the pancreatic duct and bile duct, contrast medium is injected It has been broken. As a treatment for these wires, there is disclosed an endoscope treatment tool having a storage device for storing an endoscope, and a roll-shaped member around which the insertion portion is wound is rotatably provided in the storage device. (For example, Patent Document 1).

JP 2005-334132 A

  However, when using a catheter and its guide wire under X-ray fluoroscopy and X-ray imaging, even if it is stored in the storage device described in Patent Document 1, the catheter and its guide wire are operative because of the bending. Is difficult to handle. For this reason, it is thought that the catheter and its guide wire are stuck on the floor or cannot be appropriately moved to the insertion portion of the subject.

  In general, a technique using a wire requires a wire operator and an assistant in addition to the operator. The operator operates the wire, and the assistant holds the wire and adjusts the extra length portion.

  An object of the present invention is to facilitate handling of a wire in a procedure involving a wire.

  In order to achieve the object of the present invention, a base for fixing to a bed and a column part extending in a vertical direction from the base are provided, and the column part is for winding a wire including a catheter. A winding part and a wire hook for hanging the wire are installed. In addition, a movable portion that moves the wire hook up and down and rotates is provided in the column portion.

  That is, the present invention provides a wire holder that can be removed from the bed and assists in the operation of the wire. The wire holder can be attached / detached at any position on the bed, and can be expanded and contracted in the height direction, and can be rotated and provided with a wire hanging tool and a winding part. It is.

  The wire hanging tool has a hook, and the wire can be held by hooking the wire on the hook. The winding unit is a bobbin-shaped rotating mechanism that winds up the extra length of the wire that is not necessary for the procedure. This winding can be carried out by an arbitrary length and discharged.

  According to the present invention, handling of a wire can be facilitated in a procedure involving a wire.

First Embodiment
FIG. 1 is a diagram showing the configuration of the wire holder 10. As shown in FIG. 2 and 3 are views showing an example of attaching the wire holder.

  Since the wire holder 10 is fixed to the top plate portion of the bed 32, the base 12 having a recess adapted to the thickness of the top plate portion of the bed 32, and the fixing device 14 for attaching and detaching the base 12 , 16, a column portion 18 extending in the vertical direction from the base 12, and a movable portion 26 that adjusts the height and the like of the wire hanging tool 28.

  In the middle stage of the column part 18, a rotating part 20 is installed so as to be rotatable with respect to the column part 18. At one end of the rotating part 20, a winding part 22 for winding a wire 23 comprising a catheter and its guide wire is installed. At the other end of the rotating unit 20, a handle unit 24 for rotating the winding unit 22 is installed. In addition, a wire hook 28 for hanging the wire 23 is installed on the upper stage of the column portion 18.

  The fixtures 14 and 16 penetrate the base 12 and are rotatably installed. By fixing the fixtures 14 and 16, the fixtures 14 and 16 can be pressed against the top plate portion of the bed 32, and the base 12 is fixed to the end of the top plate portion of the bed 32. Can do. Fig. 3 shows a fixed example.

  A wire 23 is wound around the winding unit 22. By rotating the handle portion 24, the wire 23 can be pulled out or returned. The handle portion 24 can be turned by an operator's operation, but is appropriately locked so as not to turn naturally other than by the operator's operation.

  The wire hook 28 is engaged with the column part 18 via the movable part 26. A hook 29 for hanging the wire 23 is provided at both ends of the wire hook 28.

  By loosening the tightening of the movable portion 26, the wire hook 28 can be moved up and down or the wire hook 28 can be rotated. By tightening the movable portion 26, the wire hook 28 can be fixed to the column portion 18. Therefore, the position of the hook 29 can be rotated up and down by moving the wire hook 28 up and down or rotating the wire hook 28. The wire hook 28 can be rotated 360 °. In this way, it can be installed at any position of the operator, such as the height and position of the wire hook 28.

  Further, when the wire holder 10 is stored, the wire holder 28 can be stored compactly by reducing the height of the wire hook 28. When the wire holder 10 is used, the height of the wire hook 28 can be increased and fixed at a desired position.

  Here, the operation of the present invention will be described with reference to FIG. First, the tip of the wire 23 opposite to the one inserted into the subject 30 is fixed to the winding part 22, and the wire 23 is wound around the winding part 22 in advance. Then, by rotating the handle portion 24, the wire 23 is pulled out as much as necessary. The wire 23 is hooked on the hook 29 of the wire hanging tool 28 so as not to contact the bed 32, the floor, or other unsanitary places. Then, the wire 23 drawn out from the winding unit 22 is inserted into the subject 30 through the hook 29 of the wire hook 28. Specifically, the distal end portion of the wire 23 is inserted into a blood vessel or the like of the subject 30, and a catheter in the wire 23 is inserted. Further, when the procedure is completed, the handle portion 24 is rotated to perform winding.

  Thus, the operator can operate the wire 23 with a simple handle operation. Further, if the wire 23 is hooked on the wire hanging tool 28, the possibility of contact with the floor or other unsanitary places is reduced. That is, the operator of the wire 23 can perform the treatment without requiring an assistant.

  In the present embodiment, the wire holder 10 is fixed to the bed 32. However, the wire holder 10 may be fixed to other components other than the bed 32 or a member arranged on the floor such as a wall.

  In the present embodiment, the X-ray diagnostic apparatus using the catheter and its guide wire is specifically described under fluoroscopy and X-ray imaging. However, the present invention is not limited to the X-ray diagnostic apparatus, but a CT apparatus, an MRI apparatus, and the like The wire holder 10 can also be used in this medical image diagnostic apparatus.

<< Second Embodiment >>
Here, the second embodiment will be described with reference to FIG. The difference from the first embodiment is that the manually operated handle is a motor that is electrically operated. Specifically, the motor 40 is used to rotate the winding unit 22 only by operating a button. Power is supplied from a commercial power source or a rechargeable battery or battery.

  In the middle stage of the column part 18, a rotating part 20 is installed so as to be rotatable with respect to the column part 18. At one end of the rotating part 20, a winding part 22 for winding a wire 23 comprising a catheter and its guide wire is installed. A motor 24 for rotating the winding unit 22 is installed at the other end of the rotating unit 20.

  A switch 41 for controlling the motor 24 is provided in the middle of the column portion 18. The switch 41 has a forward rotation button 42 for pulling out the wire 23 and a reverse rotation button 44 for storing the wire 23. By pressing the forward rotation button 42, the motor 24 can be rotated forward and the wire 23 can be pulled out to the subject 30 side. Further, by pressing the reverse rotation button 44, the motor 24 can be rotated in the reverse direction, and the wire 23 can be stored on the winding portion 22 side. Specifically, a forward / reverse rotation voltage is connected to the motor 24 via a contact such as a relay, and the motor 24 rotates by pressing the forward rotation button 42 or the reverse rotation button 44.

  Thus, by providing the wire holder 10 with the motor 24 and the switch 41 for controlling the motor, the wire 23 can be pulled out / wound.

  There is also an interlock mechanism in which the other button does not operate during one operation. From the above, it is expected that the burden on the operator is further reduced.

<< Third Embodiment >>
Here, a third embodiment will be described with reference to FIG. The difference from the first embodiment and the second embodiment is that a foot switch 50 for operating the motor 40 is installed at a position away from the wire holder 10.

  In the middle stage of the column part 18, a rotating part 20 is installed so as to be rotatable with respect to the column part 18. At one end of the rotating part 20, a winding part 22 for winding a wire 23 comprising a catheter and its guide wire is installed. A motor 24 for rotating the winding unit 22 is installed at the other end of the rotating unit 20.

  Further, a foot switch 50 for controlling the motor 24 is provided at a location away from the wire holder 10. The foot switch 50 is connected to the motor 24 by a cable 56. The foot switch 50 includes a forward rotation switch 52 that pulls out the wire 23 and a reverse rotation switch 54 that houses the wire 23. By pressing the forward rotation switch 52, the motor 24 can be rotated forward and the wire 23 can be pulled out to the subject 30 side. Further, by pressing the reverse rotation switch 54, the motor 24 can be rotated in the reverse direction, and the wire 23 can be stored on the winding portion 22 side. Specifically, a forward / reverse rotation voltage is connected to the motor 24 via a contact such as a relay, and the motor 24 rotates by pressing the forward rotation switch 52 or the reverse rotation switch 54.

  As described above, by providing the wire holder 10 with the motor 24 and the foot switch 50 for controlling the motor, both hands of the operator can be freed and the wire 23 can be pulled out / wound.

1 is a diagram showing a configuration of a first exemplary embodiment of the present invention. FIG. 3 is a diagram showing a specific example of the first embodiment of the present invention. FIG. 3 is a diagram showing a specific example of the first embodiment of the present invention. The figure which shows the structure of the 2nd Embodiment of this invention. The figure which shows the structure of the 3rd Embodiment of this invention.

Explanation of symbols

  10 Wire holder, 12 Base, 14, 16 Fixing tool, 18 Column, 20 Rotating part, 22 Winding part, 23 Wire, 24 Handle part, 28 Wire hook

Claims (2)

  A base for fixing to a bed and a column extending vertically from the base are provided, and a winding unit for winding a wire including a catheter is hung on the column, and the wire is hung. And a wire holder for installing the wire holder.   The wire holder according to claim 1, wherein the pillar portion includes a movable portion that moves the wire hook up and down and rotates the wire hook.

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