JP5115445B2 - X-ray fluoroscopy table - Google Patents

Description

  The present invention relates to an X-ray fluoroscopic imaging table provided with a subject couch (bed), and in particular, X-ray fluoroscopic imaging including a gripping rod gripped by a subject lying on the top plate. About the stand.

  2. Description of the Related Art Conventionally, when examining a subject lying on a top plate in an X-ray fluoroscopic table equipped with a top plate for placing the subject, the posture (position) of the subject can be changed by changing the angle of the top plate. Each part is fluoroscopically taken and imaged. In this case, as shown in the figure, the top plate is provided with a gripping rod that is gripped by the subject and supports his / her body when the head is tilted backwards, as shown in the figure. (See Patent Document 1).

This grip bar also has a function as a fence that supports the patient so that it does not fall when performing posture change on the top plate during the examination. Is required. On the other hand, when the surgeon performs preoperative procedures such as puncture on the subject during the examination, when performing fluoroscopy and photographing from the side, or when the subject gets on and off the top board from the side For example, a grip stick is in the way.
In this way, when the gripping bar is in the way, for example, as shown in Patent Document 2, it has been proposed that it can be removed from the top plate. According to this, a shaft-shaped engaging portion (mushroom-shaped support shaft 2a) having a large head is provided at each tip of the grip rod (2) bent at both ends, and the engaging portion (2a) is provided. Insert the large-diameter head (2a1) of the engagement portion into the small-diameter portion of the attachment hole by inserting it into the large-diameter portion (1b2) of the pair of keyhole-shaped attachment holes (daruma-shaped through-hole 1b) provided in the top plate (1) It is formed so that it can be attached by shifting to (1b1) and can be removed by sliding from the small diameter part to the large diameter part.
JP-A-10-113346 Japanese Patent Laid-Open No. 10-184629

  However, in the above-described conventional means, when the gripping rod is attached to the top plate, the engaging portion (2a) is inserted into the large diameter portion (1b2) of the left and right attachment holes (1b) to shift to the small diameter portion (1b2). In addition to being cumbersome to operate, there is a limit to the engagement force between the engaging portion and the small diameter portion of the mounting hole in order to enable it to be attached and detached. There was a possibility that the gripping rod would rattle or move inadvertently by moving in the direction of the diameter. In addition, there is a major drawback that the storage and management are troublesome when the grip bar is removed.

  SUMMARY OF THE INVENTION Accordingly, it is a primary object of the present invention to provide an X-ray fluoroscopic imaging table having a grip bar that can easily and reliably change its height without removing the above-described problem and removing it from the top board. It is what.

In order to achieve the above object, the present invention takes the following technical means. That is, in the X-ray fluoroscopic imaging table of the present invention, in the X-ray fluoroscopic imaging table provided with a subject-mounted top plate, a pair of left and right grip rods are provided on the top surface of the top plate. includes a grip portion that can be subject grips, the grip portion is, X-rays fluoroscopic imaging table whose height is formed so as to be adjustable relative to the upper surface of the top plate through the height changing means The height changing means includes a leg rod that connects the vicinity of both ends of the grip portion and the top plate so that the grip portion can be folded, and the leg rod has a standing posture and a tilted posture. Is provided with a lock mechanism to be held .

The X-ray fluoroscopic imaging table of the present invention is used when an operator performs preoperative treatment on a subject during an examination, when performing fluoroscopy and imaging from a side direction, or when a subject is from the side to a top plate. When getting on and off, it is possible to eliminate the obstacle caused by the grip bar by lowering the grip bar, especially the grip bar is not attached to the top plate or removed, but the grip bar is attached to the top Since the height of the grip part with respect to the top surface of the top plate is changed, the time required for the height change is shortened and the work flow during the inspection is not hindered. Since it is not necessary to remove from the plate, there is an excellent effect that there is no need to bother with storing and storing the grip bar after the removal as in the conventional case.

Furthermore, the X-ray fluoroscopic imaging table according to the present invention includes a leg rod in which the height changing means connects the vicinity of both ends of the grip portion and the top plate so that the grip portion can be folded. Is provided in a standing posture and a tilted posture, so that the leg can be held in the standing posture and the grip portion can be maintained at a predetermined height, and the locking mechanism is released to release the left and right legs. By tilting the heel into the tilted position, it is possible to easily fold it to a lower position without removing the grip bar from the top board.

Further, in the X-ray fluoroscopic imaging table provided with the subject-sleeping top plate of the above invention, a pair of left and right grip bars are provided on the top surface of the top panel, and the grip bars can be gripped by the subject. An X-ray fluoroscopic table formed so that the height of the grip portion can be adjusted with respect to the upper surface of the top plate via the height changing means, the height changing means, comprising a telescopic Ashi杆connecting the grip portion near both ends and the top plate, the Ashi杆may be a locking mechanism to hold a desired length is provided.
This makes it easy to adjust the height of the gripping part without removing the gripping bar from the top plate by releasing the lock mechanism and extending the left and right leg rods to change their height (length) Can do.

Hereinafter, an X-ray fluoroscopic imaging table according to the present invention will be described based on an embodiment shown in the drawings.
FIG. 1 is an overall view showing a schematic configuration of an X-ray fluoroscopic imaging table according to the present invention, and a base 1 installed and fixed on a floor surface and supported by the base 1 so as to be able to turn up and down It consists of a top plate 2 and an X-ray tube 3 for fluoroscopic imaging of the subject D on the top plate 2. A pair of left and right grip bars 4 and a shoulder of the subject D are placed on the top surface of the top plate 2. A supporting shoulder pad 5 is provided. The grip bar 4 is provided with a bar-shaped grip part 6 parallel to the upper surface of the top plate 2 so that the height of the grip part 6 can be adjusted with respect to the upper surface of the top plate through a height changing means. Is formed.

2 to 4 show a first embodiment of the means for changing the height of the grip portion 6 according to the present invention. This embodiment includes leg rods 7 disposed at both ends of the grip portion 6, The upper end of the collar 7 is pivotally connected to the grip 6 via the upper pivot 8 and the lower end is pivotally connected to the boss 9 fixed to the top plate 2 via the lower pivot 10. . That is, the grip portion 6 and the left and right leg rods 7 are formed to be foldable by a four-point link mechanism including four pivot shafts 8, 8, 10, and 10. The boss 9 has a concave receiving portion 9 a, and a thin insertion portion 7 a of a leg rod 7 is inserted into the concave receiving portion and is connected by the pivot 10.
Further, a lock mechanism 11 that holds the leg rod 7 in the standing posture shown in FIG. 2 and the tilted posture shown in FIG. 3 is provided on either one of the leg rods 7. The lock mechanism 11 includes the lower pivot 10, the tip of the pivot 10 is screwed into the boss 9, and the other end of the pivot 10 is exposed to the outside to form a large-diameter knob 12. By rotating the knob 12 in the screwing direction, that is, in the tightening direction, the leg rod 7 is rotated by filling a relative gap between the insertion portion 7a of the leg rod 7 and the concave receiving portion 9a of the boss 9. It is supposed to be locked.

  Therefore, in this embodiment, by raising or tilting the leg 7, the grip 6 can be easily raised or lowered with respect to the top surface of the top plate, and the lock mechanism 11, the standing posture can be reliably locked, so that it can be used safely.

  5 and 6 show a second embodiment of the height changing means according to the present invention, in which both ends of the grip portion 6 parallel to the top surface of the top plate are bent in the same direction, and the leg rod 7 '. The thin insertion portion 7a at the lower end of the leg rod 7 'is inserted into the concave receiving portion 9a of the boss 9 and is pivotally connected by the pivot 10 along the axial direction of the grip portion. ing. One of the pivots 10, in the embodiment, the right pivot 10 constitutes a part of the lock mechanism 11 as in the first embodiment, and the tip of the pivot 10 is the boss 9 as described above. The other end portion of the pivot 10 is exposed to the outside to form a large-diameter knob 12. By rotating the knob 12 in the screwing direction, that is, in the tightening direction, the relative clearance between the pivot portion at the lower end of the grip portion and the boss 9 is filled and the rotation of the leg rod 7 is locked. ing. Therefore, by releasing the lock mechanism 11, it is possible to easily change between the standing posture of FIG. 5 and the tilting posture toward the top plate side of FIG. In this embodiment, the structure can be simplified because the pivot 10 only needs two left and right.

7 and 8 show another embodiment of the lock mechanism 11 in the second embodiment. Both ends of the pivot 10 are exposed to the outside, and a push button 13 is provided at one end, and the other end is provided at the other end. A large-diameter flange 14 is provided. The flange 14 penetrates the boss 9 and selectively engages and disengages into two engagement holes 7b and 7b 'provided in the insertion portion 7a of the leg rod 7'. An engaging pin 16 is provided to be inserted. The engagement pin 16 is always biased to a position in which it is engaged with any one of the engagement holes by the spring 15, but when the push button 13 is pushed against the spring 15, the engagement pin 7 is moved from the engagement holes 7 b and 7 b ′. It is formed to leave. Further, when the engaging pin 16 is engaged with the engaging hole 7b as shown in FIG. 7 and FIG. 8, the leg rod 7 'is in the standing posture, and when engaged with the other engaging hole 7b' as shown in FIG. It is set to be in a tilted posture as shown by the imaginary line.
Thus, the lock can be released simply by pressing the push button 13, and the grip portion 6 can be easily raised or lowered. When the subject is used at a higher position, the engagement pin 16 can be used. Can engage with the engagement hole 7b and can be securely used since the posture can be reliably locked.
The locking mechanism shown in FIGS. 7 and 8 can be applied as it is instead of the locking mechanism 11 of the first embodiment.

9 to 11 show a third embodiment of the height changing means in the present invention. In this embodiment, both ends of the grip portion 6 are bent in the same direction to form a cylindrical portion 17 having an open lower end, and the cylindrical portion 17 is fixed to the top plate 2. It is slidably fitted to the '. Therefore, in this embodiment, the columnar boss 9 'and the tubular portion 17 cooperate to form a leg rod 7' that can be expanded and contracted. Further, a lock mechanism 11 is provided for holding the leg rod 7 'with a desired length. The lock mechanism 11 in this embodiment includes a long hole 18 formed in the side surface of the cylindrical portion 17 along the vertical direction, an adjustment screw 19 screwed from the long hole 18 toward the boss 9 ′, and an adjustment. It consists of a large-diameter knob 20 provided at the outer end of the screw 19, and the leg rod 7 ′ can be expanded and contracted by loosening the adjusting screw 19, and can be locked by tightening the adjusting screw 19.
Accordingly, the posture can be easily changed to the posture in which the grip portion 6 in FIG. 9 is lifted, the posture in which it is pushed down in FIG. 10, or an intermediate posture by loosening or tightening the adjusting screw 19. In this embodiment, as shown in the figure, a spring 21 may be housed inside the cylindrical portion 17 so that the grip portion 6 is always urged in the lifting direction. Thereby, when raising the grip part 6 from a low attitude | position, it can be moved up easily with sufficient left-right balance.

  Although typical embodiments of the present invention have been described above, the present invention is not necessarily limited to the above-described embodiments. For example, in the above-described embodiment, an example in which the lock mechanism is provided on one of the leg rods is shown, but it goes without saying that the lock mechanism may be provided on both leg rods. In addition, in this invention, it is possible to modify | change and change suitably within the range which achieves the objective.

  The present invention can be applied to a subject couch (bed) for an X-ray fluoroscopic imaging table.

1 is a schematic configuration diagram of an X-ray fluoroscopic table according to the present invention. The partial cross section front view which shows the 1st Example of the height change means in this invention. The front view which shows the operation state of the said Example. AA line sectional view in FIG. The partial cross section front view which shows the 2nd Example of the height change means in this invention. BB sectional drawing in FIG. Sectional drawing which shows another Example of the locking mechanism in 2nd Example. CC sectional view taken on the line in FIG. The partial cross section front view which shows the 3rd Example of the height change means in this invention. The front view which shows the operation state of the said 3rd Example. The side view of the said 3rd Example.

Explanation of symbols

D Examinee 2 Top plate 4 Grip bar 6 Grip part 7, 7 'Leg rod 11 Lock mechanism

Claims (2)

In an X-ray fluoroscopic table equipped with a subject-mounted top plate, a pair of left and right grip bars are provided on the top surface of the top plate, and the grip bars have a grip portion that can be gripped by the subject. An X-ray fluoroscopic imaging table formed such that the grip portion can be adjusted in height with respect to the top surface of the top plate via a height changing means ,
The height changing means includes a leg rod that pivotably connects the vicinity of both ends of the grip portion and the top plate so that the grip portion can be folded, and a lock that holds the leg rod in a standing posture and a tilted posture. An X-ray fluoroscopic imaging table characterized in that a mechanism is provided . In an X-ray fluoroscopic table equipped with a subject-mounted top plate, a pair of left and right grip bars are provided on the top surface of the top plate, and the grip bars have a grip portion that can be gripped by the subject. An X-ray fluoroscopic imaging table formed such that the grip portion can be adjusted in height with respect to the top surface of the top plate via a height changing means,
Wherein the height changing means comprises a stretchable Ashi杆for connecting the grip portion near both ends and the top plate, wherein the locking mechanism is provided for holding the Ashi杆in desired length X-ray fluoroscopy table.

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