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Device for patient body positioning and immobilizing, and angle indicator

A technology of fixing device and body position, which is used in medical science, surgery, medical transportation, etc., can solve the problems of deviation and deterioration of pelvic forward and backward tilt, unclear cup setting accuracy, etc. Effect

Inactive Publication Date: 2018-08-21
株式会社力克赛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, for surgery performed in a lateral position, since the anteroposterior tilt of the pelvis tends to deviate and the pelvis moves during the operation, the target reference plane for cup setting is not clear and the accuracy of cup setting Defects of Variation

Method used

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  • Device for patient body positioning and immobilizing, and angle indicator
  • Device for patient body positioning and immobilizing, and angle indicator
  • Device for patient body positioning and immobilizing, and angle indicator

Examples

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Embodiment Construction

[0021] One embodiment will be described below with reference to the drawings.

[0022] figure 1 It is a perspective view which shows the structural example of the body position fixing device of this embodiment.

[0023] The illustrated body position fixing device 1 includes a fixer 2 and an angle indicator 6 . The holder 2 is installed on the bed B that carries the patient. Angle indicator 6 can be loaded and unloaded with respect to fixture 2, in figure 1 shows the removed state.

[0024] The holder 2 includes a holder base 20 (second base). exist figure 1 In the example of , the holder base 20 is an elongated metal plate having an upper surface 20A (first surface) and a bottom surface 20B parallel to each other, and is placed on the placement surface PB of the bed B, for example. In the following description, the long-side direction of the anchor base 20 is defined as the first direction D1, the short-side direction of the anchor base 20 is defined as the second direct...

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Abstract

The present invention provides a device (1) for patient body positioning and immobilizing has four pressing pieces (41-44) for immobilizing the lumbar region of a patient (P) in lateral decubitus position on a table (B). The first pressing piece (41) and the second pressing piece (42) are arranged in a position corresponding to the anterior superior iliac spine (AS) of the patient (P). The third pressing piece (43) is arranged in a position corresponding to the pubic symphysis (PS) of the patient (P). The fourth pressing piece (44) pushes against the back surface of the lumbar region of the patient (P). The plane (P2) containing each of the pressing planes (F1-F3) of the first, second and third pressing pieces (41-43) is parallel to the patient (P)'s pelvic floor reference plane (P1). An angle indicator (6) is attached to a stand (30) supporting the first, second and third pressing pieces (41-43). The angle indicator (6) has an indicating rod (63). A first angle ([Theta]1) and a secondangle ([Theta]2) specifying the orientation of the indicating rod (63) with respect to the pelvic floor reference plane (P1) can be each regulated with a first angle regulator (61) and a second angleregulator (62). During a hip replacement arthroplasty, a rod (R) of a surgical instrument (OT) is held parallel with the indicating rod (63), and a cup (CP) is inserted in the patient (P)'s acetabulum using the surgical instrument (OT).

Description

technical field [0001] The invention relates to a body position fixing device for fixing a human body in a side-lying position and an angle indicator for assisting operations on a human body in a side-lying position. Background technique [0002] The local hip joint constituting the human lower limb is a joint that is particularly important for activities including walking in daily life. In addition, the hip joint is prone to trauma, and with age, the cartilage degeneration of the joint is destroyed, which is also a site that causes more joint disease. [0003] As a surgical treatment for the hip joint, artificial hip replacement (Total Hip Arthroplasty: THA) is widely practiced. In THA, the cup is installed in the acetabulum of the pelvis and the stem is installed in the femur. Furthermore, a liner made of ultra-high molecular weight polyethylene or the like is housed in the cup, and the femoral head attached to the distal end of the stem is received through the liner. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/56
CPCA61G13/0081A61G13/1295A61G2200/322A61B17/56
Inventor 岩切健太郎
Owner 株式会社力克赛
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