CN215605801U

CN215605801U - Patellofemoral joint dynamic device for CT scanning frame

Info

Publication number: CN215605801U
Application number: CN202022595141.6U
Authority: CN
Inventors: 雷旭
Original assignee: Shanghai Peitong Machinery Ltd
Current assignee: Shanghai Peitong Machinery Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2022-01-25
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a patellofemoral joint dynamic device for a CT (computed tomography) scanning frame, which comprises a U-shaped lying bed, wherein a first supporting rod is fixedly connected to the U-shaped lying bed, a first supporting mechanism for supporting legs is arranged on the first supporting rod, a second supporting rod is connected to the U-shaped lying bed in a sliding manner, a second supporting mechanism for supporting legs is arranged on the second supporting rod, a limiting mechanism for preventing the legs from inclining is arranged in the second supporting mechanism, and an adjusting mechanism for adjusting an included angle between the first supporting mechanism and the second supporting mechanism is arranged on the U-shaped lying bed. The utility model has reasonable structure and can assist the patient to move the patellofemoral joint, thereby ensuring that the examination structure is more accurate.

Description

Patellofemoral joint dynamic device for CT scanning frame

Technical Field

The utility model relates to the technical field of CT scanning frames, in particular to a patellofemoral joint dynamic device for a CT scanning frame.

Background

CT, i.e. electronic computed tomography, which uses precisely collimated X-ray beams, gamma rays, ultrasonic waves, etc. to scan the cross-section of a human body one by one around a certain part of the human body together with a detector with extremely high sensitivity, has the characteristics of fast scanning time, clear images, etc., and can be used for the examination of various diseases; the following can be classified according to the radiation used: x-ray CT and gamma-ray CT.

The patellofemoral joint dynamic device of current CT scan frame can't assist patellofemoral joint's removal, when patient's inspection, needs patient oneself to expand patellofemoral joint, but some patients move inconveniently, and oneself can not fine removal to make the structure of inspection accurate inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a patellofemoral joint dynamic device for a CT scanning frame, which can assist a patient to move a patellofemoral joint, so that an inspection structure is more accurate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a patellofemoral joint dynamic device for CT scanning frame, includes the U-shaped bed of lying, the first bracing piece of fixedly connected with on the U-shaped bed of lying, be equipped with the first supporting mechanism that is used for providing the shank to support on the first bracing piece, sliding connection has the second bracing piece on the U-shaped bed of lying, be equipped with the second supporting mechanism that is used for providing the shank to support on the second bracing piece, be equipped with the stop gear who is used for preventing the skew of shank in the second supporting mechanism, the U-shaped bed of lying is equipped with the adjustment mechanism who is used for adjusting contained angle between first supporting mechanism and the second supporting mechanism.

Preferably, first supporting mechanism is including rotating the first electric telescopic handle of connection on first bracing piece, the first backup pad of first electric telescopic handle's tail end fixedly connected with, the first connecting plate of first electric telescopic handle's flexible end fixedly connected with.

Preferably, the second supporting mechanism comprises a second electric telescopic rod rotatably connected to the second supporting rod, the tail end of the second electric telescopic rod is fixedly connected with a second supporting plate, and the telescopic tail end of the second electric telescopic rod is fixedly connected with a second connecting plate.

Preferably, stop gear is including setting up the mounting groove on the second connecting plate, the mounting groove internal rotation is connected with double threaded rod, threaded connection has two and mounting groove sliding connection's slider on the double threaded rod, fixedly connected with spacing splint on the slider.

Preferably, adjustment mechanism includes sliding connection at the last third electric telescopic handle of U-shaped bed, third electric telescopic handle's flexible end fixedly connected with mounting panel, a pair of mounting bracket of fixedly connected with on the mounting panel, it is a pair of fixedly connected with connecting rod between the mounting bracket, the connecting rod all rotates with first connecting plate and second connecting plate to be connected.

Preferably, the second connecting plate is connected with the bull stick with double threaded rod fixed connection in the rotation, fixedly connected with changes the handle on the bull stick, and is a pair of the slider symmetry sets up at double threaded rod both ends.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up first supporting mechanism and second supporting mechanism, realize the support to the shank to can assist patient to carry out patellofemoral joint's removal, and then make the inspection convenient and fast more.

2. Through setting up stop gear and adjustment mechanism, avoid patient to have the skew in the position of leg when the inspection to greatly increased inspection's accuracy.

Drawings

Fig. 1 is a schematic front view of a patellofemoral joint dynamic device for a CT gantry according to the present invention;

fig. 2 is a schematic top view of a patellofemoral joint dynamic device for a CT gantry according to the present invention;

fig. 3 is an enlarged schematic view of a structure at a position a of the patellofemoral joint dynamic device for a CT gantry according to the present invention.

In the figure: 1U-shaped bed, 2 first bracing pieces, 3 third electric telescopic handle, 4 second bracing pieces, 5 first electric telescopic handle, 6 first backup pads, 7 first connecting plates, 8 second connecting plates, 9 turning handles, 10 second electric telescopic handle, 11 second backup pads, 12 spacing splint, 13 connecting rods, 14 mounting brackets, 15 mounting panels, 16 double-end threaded rods, 17 mounting grooves, 18 sliders.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a patellofemoral joint dynamic device for CT scanning frame, including the U-shaped couch 1, the first bracing piece 2 of fixedly connected with on the U-shaped couch 1 is equipped with the first supporting mechanism that is used for providing shank support on the first bracing piece 2, first supporting mechanism includes rotates the first electric telescopic handle 5 of connection on first bracing piece 2, the first bracing piece 6 of the tail end fixedly connected with of first electric telescopic handle 5, the first connecting plate 7 of the flexible end fixedly connected with of first electric telescopic handle 5.

Sliding connection has second bracing piece 4 on U-shaped bed 1, be equipped with the second supporting mechanism that is used for providing the shank and supports on the second bracing piece 4, second supporting mechanism is including rotating second electric telescopic handle 10 of connection on second bracing piece 4, tail end fixedly connected with second backup pad 11 of second electric telescopic handle 10, the flexible terminal fixedly connected with second connecting plate 8 of second electric telescopic handle 10, through setting up first supporting mechanism and second supporting mechanism, the realization is to the support of shank, thereby can assist patient to carry out patellofemoral joint's removal, and then make the inspection convenient and fast more.

Be equipped with the stop gear who is used for preventing the skew of shank in the second supporting mechanism, stop gear is including setting up mounting groove 17 on second connecting plate 8, the mounting groove 17 internal rotation is connected with double threaded rod 16, threaded connection has two and mounting groove 17 sliding connection's slider 18 on the double threaded rod 16, fixedly connected with spacing splint 12 on the slider 18, rotate on the second connecting plate 8 be connected with 16 fixed connection's bull stick with double threaded rod, fixedly connected with changes 9 on the bull stick, 18 symmetries of a pair of slider set up at double threaded rod 16 both ends.

Be equipped with the adjustment mechanism who is used for adjusting contained angle between first supporting mechanism and the second supporting mechanism on the U-shaped bed 1 of lying, adjustment mechanism includes sliding connection at the U-shaped third electric telescopic handle 3 on the bed 1 of lying, the flexible terminal fixedly connected with mounting panel 15 of third electric telescopic handle 3, a pair of mounting bracket 14 of fixedly connected with on the mounting panel 15, fixedly connected with connecting rod 13 between a pair of mounting bracket 14, connecting rod 13 all rotates with first connecting plate 7 and second connecting plate 8 to be connected, through setting up stop gear and adjustment mechanism, there is the skew in the position of leg when avoiding patient to inspect, thereby the accuracy of greatly increased inspection.

When the utility model is used, a person lies on the U-shaped lying bed 1, the lower leg is placed on the second supporting plate 11, the thigh is placed on the first supporting plate 6, the lengths of the first electric telescopic rod 5 and the second electric telescopic rod 10 are adjusted according to the leg length, the patellofemoral joint is positioned above the connecting rod 13, then the rotating handle 9 is rotated, the double-end threaded rod 16 is rotated, the two sliding blocks 18 and the two limiting clamping plates 12 move relatively to clamp the leg, the leg is prevented from being deviated when the patellofemoral joint is rotated, then the third electric telescopic rod 3 is extended, the connecting rod 13 is lifted and moved left when the third electric telescopic rod 3 is extended, the leg movement principle of the human body is met, the first electric telescopic rod 5 and the second electric telescopic rod 10 are rotated, the included angle between the first connecting plate 7 and the second connecting plate 8 is changed, and the movement of the patellofemoral joint of the human body is further assisted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a patellofemoral joint dynamic device for CT scanning frame, includes U-shaped couch (1), its characterized in that, first bracing piece (2) of fixedly connected with is gone up in U-shaped couch (1), be equipped with the first supporting mechanism that is used for providing shank support on first bracing piece (2), sliding connection has second bracing piece (4) on U-shaped couch (1), be equipped with the second supporting mechanism that is used for providing shank support on second bracing piece (4), be equipped with the stop gear who is used for preventing the skew of shank in the second supporting mechanism, be equipped with the adjustment mechanism who is used for adjusting contained angle between first supporting mechanism and the second supporting mechanism on U-shaped couch (1).

2. The patellofemoral joint dynamic device for the CT scanning frame according to claim 1, characterized in that the first supporting mechanism comprises a first electric telescopic rod (5) rotatably connected to the first supporting rod (2), the tail end of the first electric telescopic rod (5) is fixedly connected with a first supporting plate (6), and the telescopic end of the first electric telescopic rod (5) is fixedly connected with a first connecting plate (7).

3. The patellofemoral joint dynamic device for the CT scanning frame according to claim 1, wherein the second supporting mechanism comprises a second electric telescopic rod (10) rotatably connected to the second supporting rod (4), a second supporting plate (11) is fixedly connected to the tail end of the second electric telescopic rod (10), and a second connecting plate (8) is fixedly connected to the telescopic end of the second electric telescopic rod (10).

4. The patellofemoral joint dynamic device for the CT scanning frame as claimed in claim 3, wherein the limiting mechanism comprises a mounting groove (17) arranged on the second connecting plate (8), a double-threaded rod (16) is rotatably connected in the mounting groove (17), two sliding blocks (18) slidably connected with the mounting groove (17) are connected to the double-threaded rod (16) in a threaded manner, and a limiting clamping plate (12) is fixedly connected to the sliding blocks (18).

5. The patellofemoral joint dynamic device for the CT scanning frame according to claim 3, characterized in that, the adjustment mechanism includes a third electric telescopic rod (3) slidably connected on the U-shaped lying bed (1), the telescopic end of the third electric telescopic rod (3) is fixedly connected with a mounting plate (15), a pair of mounting brackets (14) is fixedly connected on the mounting plate (15), a pair of connecting rods (13) is fixedly connected between the mounting brackets (14), and the connecting rods (13) are rotatably connected with the first connecting plate (7) and the second connecting plate (8).

6. The patellofemoral joint dynamic device for the CT scanning frame as claimed in claim 4, wherein the second connecting plate (8) is rotatably connected with a rotating rod fixedly connected with the double-end threaded rod (16), the rotating rod is fixedly connected with a rotating handle (9), and the pair of sliding blocks (18) are symmetrically arranged at two ends of the double-end threaded rod (16).