JP2005168881A - Subject supporting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable X-ray radiography on a board for a pelvis. <P>SOLUTION: The supporting device comprises a board 4 for a pelvis made of X-ray transmitting material and a bracket 6 to connect the board 4 to a surgery table. The bracket 6 is equipped with a holding board 13 in parallel with the board 4 to hold it, a post 14 fixed on an end of the holding board 13 to connect the holding board 13 to the surgery table, and an arm 15 hung between a lower part of the post 14 and a middle part of the holding board 13. At least the holding board 13 and the arm 15 are made of X-ray transmitting material. The supporting device enables an appropreate surgery, treatment, or the like on the subject on the operating table with clear images easily captured by X-ray radiography. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a subject support apparatus for supporting a waist of a subject on an operating table.

  Conventionally, when performing surgery, examination, diagnosis, etc. on a patient's waist, a patient support device is attached to the operating table to fix the patient's waist from below. For example, when treating a patient with a fractured femur, the patient's waist is held by the Becken (pelvis) plate of the subject support device, the foot is fixed and pulled by the foot support device, and the fractured portion is removed by X-ray. The fractured part is made to coincide with each other through the transmission imaging, and then the fractured part is fixed with an implant or the like.

  However, the conventional patient support device is formed by connecting a Becken plate made of phenol resin or the like to a column of an operating table with a bracket, and connecting a foot support device to the bracket. However, since both the bracket and part of the foot support device are made of metal such as stainless steel, it is clear when performing surgery while taking X-ray transmission imaging of the subject on a Becken plate. There is a problem that it is difficult to obtain a clear image. In addition, there is a problem that trying to change the patient's position in order to obtain a clear image causes pain to the patient or hinders the operation. Further, since the bracket and the foot support device are heavy, there is a problem that the operation of attaching and removing the bezel plate and the like to the column of the operating table becomes complicated due to a change in operation.

  Accordingly, an object of the present invention is to provide a subject support apparatus that can eliminate the above-mentioned problems.

  In order to solve the above-mentioned problems, an invention according to claim 1 includes a cover plate (4) formed of an X-ray transmitting material, and a bracket (6) that connects the cover plate (4) to an operating table. In the examiner support device, the bracket (6) extends in parallel with the bezel plate (4), the retainer plate (13) of the becket plate (4), and the retainer plate (13) for connecting the retainer plate (13) to the operating table. It has a support (14) fixed to the end, and an arm (15) spanned between the lower part of the support (14) and the intermediate part of the holding plate (13), and at least the holding plate (13) and the arm (15) employs a subject support device formed of an X-ray transmitting material.

  According to a second aspect of the present invention, in the subject support apparatus according to the first aspect, a foot support device (7) is provided, and a support leg arm (7) connected to an operating table of the foot support device (7). 20) employs a subject support device formed of an X-ray transmitting material.

  According to the first aspect of the present invention, in the subject support apparatus including the Becken plate (4) formed of an X-ray transmitting material and the bracket (6) for connecting the Becken plate (4) to the operating table. The bracket (6) is fixed to the end of the holding plate (13) of the Becken plate (4) extending parallel to the Becken plate (4) and the holding plate (13) connecting the holding plate (13) to the operating table The support (14) has an arm (15) spanned between the lower part of the support (14) and the intermediate part of the holding plate (13), and at least the holding plate (13) and the arm (15) Since it is made of an X-ray transmitting material, when performing an operation on the subject (A) while performing X-ray transmission imaging on the operating table, it is possible to easily obtain a clear image and perform appropriate surgery, treatment, etc. it can. Further, since X-ray imaging can be performed regardless of the position and shape of the bracket (6), it is not necessary to change the position of the subject (A) for X-ray imaging, and it is painful for the patient. And the inconvenience of disturbing the operation is eliminated. Moreover, since the Becken plate (4) and the bracket (6) can be reduced in weight by using, for example, resin as the X-ray transmitting material, it can be easily attached to the operating table. Moreover, even if the holding plate (13) and the arm (15) of the bracket (6) are formed of an X-ray transmitting material having a relatively lower strength than a metal such as resin, the Becken plate that extends in parallel with the Becken plate (4). The holding plate (13) of (4), the column (14) fixed to the end of the holding plate (13) connecting the holding plate (13) to the operating table, the lower part of the column (14), and the holding plate (13 ) Is provided as a frame with the arm (15) that is stretched between the intermediate portion and the intermediate portion of the bracket), so that the Becken plate (4) can be properly supported. In addition, the holding plate (13) extends in parallel with the Becken plate (4), and there is only an arm (15) inclined toward the support column (14) below the holding plate (13). ) The lower space is expanded, the movable range of the C-shaped X-ray imaging apparatus is increased, and X-ray transmission imaging can be performed from an arbitrary direction.

  According to the second aspect of the present invention, in the subject support device according to the first aspect, the foot support device (7) is provided, and the support leg arm (7) connected to the operating table of the foot support device (7) ( Since 20) is formed of an X-ray transmitting material, clear X-ray transmission imaging can be performed without being affected by the presence of the support arm (20).

  The best mode for carrying out the invention will be described below with reference to the drawings.

  As shown in FIG. 1, an operating table is installed on the floor. The operating table includes a base 1 placed on the floor, a column 2 standing from the base 1, a table 3 connected to the column 2, and the like. The operating table includes a head plate 3a and a back plate 3b as the table 3, and further includes a waist plate, a leg plate, and the like (not shown). In the illustrated example, the waist plate and the leg plate are rotated downward along the side surface of the column 2 or removed from the operating table.

  As shown in FIG. 1, a subject support device is attached to the operating table instead of the waist plate (not shown).

  As shown in FIGS. 1 and 2, the subject support apparatus includes a bezel plate 4 and a foot support device 7. Both the Becken plate 4 and the footrest device 7 are connected to the operating table.

  As shown in FIGS. 2 and 3A, 3B, and 3C, the Becken plate 4 is formed in a substantially rectangular shape and is formed of an X-ray transmitting material. As the X-ray transmitting material, for example, a composite material made of CFRP in which a resin is reinforced with carbon fiber is used. Both long sides of the Becken plate 4 are removed so that the plate width becomes narrower from the middle toward the short side. A spacer 8 is fixed to the back surface of the bezel plate 4 by a set screw 9 along the short side. From the back surface of the spacer 8, a plurality of protrusions 10 that are connecting members for connecting to the bracket 6 protrude downward. The set screw 9 and the protrusion 10 are also formed of a resin or the like that is an X-ray transmitting material. As shown in FIG. 1, the waist portion a of the subject A is placed on the Becken plate 4.

  A plurality of insertion holes 12 for attaching the crotch struts 11 shown in FIGS. 1 and 2 are drilled at locations along the one short side of the Becken plate 4. The crotch column 11 includes a mandrel 11a to be inserted into the insertion hole 12, and a cylindrical cushion 11b wound around the mandrel 11a. The mandrel 11a is made of an X-ray transparent material such as CFRP, and the cushion 11b is made of an X-ray transparent material such as urethane rubber. As shown in FIG. 1, the subject A is placed on the Becken plate 4 so as to sandwich the crotch column 11 between the crotch, whereby the subject A is held at a fixed position on the operating table.

  The Becken plate 4 is connected to the operating table via a bracket.

  As shown in FIGS. 1, 2 and 4A, 4B, and 4C, the bracket 6 has a holding plate 13 for the Becken plate 4 extending in parallel with the Becken plate 4, and the holding plate 13 as an operating table. It has the support | pillar 14 fixed to the terminal of the holding | maintenance board 13 to connect, and the arm 15 spanned between the lower part of the support | pillar 14, and the intermediate part of the holding | maintenance board 13. FIG.

  The holding plate 13 is a plate-like frame material having a smaller area than the bezel plate 4, and extends in parallel to the becket plate 4 under the becket plate 4. The holding plate 13 has a wide portion and a narrow portion continuous with the wide portion, and is arranged so that the narrow portion faces the column 2 side of the operating table. The holding plate 13 is provided with a fitting hole 16 into which the protrusion 10 protruding from below the spacer 8 of the bezel plate 4 is inserted and a fitting hole 23 into which the mandrel 11a of the crotch column 11 is inserted. The insertion hole 23 communicates with the other insertion hole 12. As shown in FIGS. 1 and 2, the Becken plate 4 is horizontally fixed on the bracket 6 by inserting the protrusion 10 of the Becken plate 4 into the fitting hole 16 of the holding plate 13. Further, the crotch column 11 is vertically fixed on the Becken plate by inserting the mandrel 11a of the crotch column 11 into the fitting holes 12 and 23.

  The support column 14 is fixed to the end of the narrow portion of the holding plate 13 so as to extend downward. A connecting rod 17 projects from the lower end of the column 14 toward the column 2 of the operating table. The portion from the support column 14 to the connecting rod 17 is required to be strong, and is preferably formed of a metal material such as stainless steel, but may be formed of resin or the like. The holding plate 13 is fixed to the column 14 with a metal or resin bolt (not shown).

  The arm 15 extends from the lower end of the support column 14 toward the intermediate portion of the support plate 13 in order to properly support the support plate 13 supported in a cantilever manner by the support column 14. Both ends of the arm 15 are joined to boss portions 14 a and 13 a formed on the support column 14 and the holding plate 13, respectively.

  As shown in FIG. 1, the bracket 6 is fixed to the column 2 by inserting a connecting rod 17 protruding from the column 14 into an engagement hole formed in the column 2 of the operating table. When the bracket 6 is fixed to the column 2, the Becken plate 4 on the bracket 6 is held horizontally so as to be continuous with the back plate 3b of the table 3 in the operating table. The waist part a of the subject A is placed on the Becken plate 4 fixed to the operating table.

  The holding plate 13 and the arm 15 are made of an X-ray transmitting material such as CFRP. For this reason, when performing an operation while subjecting the subject A to the region of interest 18 shown in FIG. 1, for example, with X-ray transmission imaging using a C-shaped X-ray imaging apparatus, a clear image is obtained for the surgery and treatment. Etc. can be performed. Of course, other portions such as the support column 14 may be formed of an X-ray transmitting material such as CFRP. Thus, even if the holding plate 13 and the arm 15 of the bracket 6 are formed of an X-ray transmitting material having a relatively lower strength than a metal such as resin, the Becken plate 4 that extends parallel to the Becken plate 4 as described above can be held. Becken plate 13, strut 14 fixed to the end of retaining plate 13 that connects retaining plate 13 to the operating table, and arm 15 spanned between the lower portion of strut 14 and the intermediate portion of retaining plate 13 Since it is provided as a holding frame 4, the Becken plate 4 is properly supported on the operating table.

  As shown in FIG. 1, a foot support device 7 is connected to the operating table in order to support the foot b of the subject A protruding from the top of the bezel 4.

  The footrest device 7 includes a footrest 5. The footrest 5 has a cushion, a belt, etc. (not shown) for fixing the foot to the frame body in addition to the frame body into which the foot b of the subject A is fitted. A footrest 5 is provided for each foot. The footrest 5 in the illustrated example corresponds to the fracture side and is configured to support the tip portion of one foot b, but the other footrest on the other anti-fracture side (not shown) is an intermediate portion of the calf, thigh, etc. It has come to support.

  The foot support device 7 includes two support legs 19 corresponding to the respective feet placed on the floor surface, and two support leg arms 20 that are spanned in a beam shape between the column 2 and the support legs 19 of the operating table. To do. Both support leg arms 20 extend horizontally so that they do not hit the bracket 6 below the Becken plate 4, one end of each is inserted into an insertion hole provided in the operating table, and the other end is fixed to the support leg 19. . In the illustrated example, the support arm 20 is directly connected to the column 2 of the operating table, but may be connected to the bracket 6 of the bezel plate 4. Each support leg arm 20 is fixed to each support leg 19 via a clamp 21. By loosening the clamp 21, the height and the like of each support leg arm 20 can be freely adjusted. Each footrest 5 is fixed to the intermediate position of each support leg arm 20 by a similar clamp 22. By loosening the clamp 22, the position, height, etc. of each footrest 5 on the support leg arm 20 can be freely adjusted.

  The support leg arm 20 is formed of an X-ray transmitting material similar to the X-ray transmitting material used in the bracket 6. Thereby, clear X-ray transmission imaging can be performed in the region of interest 18 without being affected by the presence of the support arm 20.

  Next, the operation of the subject support apparatus having the above configuration will be described.

  As shown in FIG. 5, a case where an operation for reducing a fracture occurring in the femur c is performed will be described as an example.

  As shown in FIG. 1, the bracket 6 is attached and fixed to the column 2 by fitting the connecting rod 17 of the bracket 6 into the insertion hole of the column 2 of the operating table.

  The protrusion 10 of the Becken plate 4 is inserted into the fitting hole 16 of the holding plate 13 of the bracket 6, and the Becken plate 4 is fixed horizontally on the bracket 6.

  By inserting the mandrel 11 a of the crotch column 11 into the fitting holes 12 and 23 of the becken plate 4 and the holding plate 13, the crotch column 11 is fixed vertically on the becken plate 4.

  Each supporting leg arm 20 in the foot receiving device 7 is spanned and fixed between the column 2 of the operating table and each supporting leg 19.

  The footrest 5 is set on each supporting leg arm 20, the clamp 22 is loosened, and the position of the footrest 5 is adjusted according to the subject A.

  The waist part “a” of the subject A is placed on the Becken plate 4 so that the crotch strut 11 enters the crotch of the subject A. Further, the one leg b on the fracture side of the subject A is fixed to the footrest 5, and another normal one leg (not shown) is fixed to the other footrest (not shown). Thus, the subject A is held at a fixed position on the operating table.

  The foot b of the subject A is pulled by a known pulling mechanism (not shown) provided in the footrest 5.

  The affected area is transmitted through the region of interest 18 and displayed on a monitor (not shown).

  The surgeon performs an operation for fitting the fractured part while viewing the image on the monitor, and the fractured part d is fixed by the implant 24 as shown in FIG.

  The present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, the treatment of the fracture of the patient's femur has been described, but the present invention can also be applied to the treatment of other sites.

1 is a front view showing a subject support device according to the present invention mounted on an operating table. It is a perspective view which shows the Becken plate and bracket of a subject support apparatus. The Becken board of a subject support device is shown, (A) is a top view, (B) is a front view, and (C) is a side view. The bracket of a subject support device is shown, (A) is a top view, (B) is a front view, and (C) is a side view. It is explanatory drawing of the fracture part of the subject treated using the subject support apparatus.

Explanation of symbols

2 ... Column 4 ... Becken plate 5 ... Foot rest 6 ... Bracket 7 ... Foot rest device 13 ... Holding plate 14 ... Post 15 ... Arm

Claims (2)

  In a subject support apparatus comprising a Becken plate formed of an X-ray transmitting material and a bracket for connecting the Becken plate to an operating table, the Becken plate holding plate extending in parallel with the Becken plate, and the holding plate It has a column fixed to the end of the holding plate connected to the operating table, and an arm spanned between the lower part of the column and the intermediate part of the holding plate. At least the holding plate and the arm are made of an X-ray transmitting material. A device for supporting a subject characterized by being formed.   2. The subject support apparatus according to claim 1, wherein a foot support device is provided, and a support arm connected to an operating table of the foot support device is formed of an X-ray transmitting material. Support device.

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