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Double-coordinate space positioning device

A spatial positioning and dual-coordinate technology, applied in the field of medical devices, can solve problems such as increased radiation exposure and difficult positioning, and achieve the effects of improving surgical efficiency, saving surgical preparation time, and accurate positioning

Pending Publication Date: 2020-08-18
陈自强 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the operation of minimally invasive surgery must rely on intraoperative X-ray fluoroscopy-assisted positioning, but in the process of X-ray fluoroscopy-assisted positioning, repeated fluoroscopy is often required due to positioning difficulties, which increases radiation exposure

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] figure 1 It is a schematic structural diagram of a dual-coordinate space positioning device (without a clamp) in Embodiment 1 of the present invention.

[0032] like figure 1 As shown, the dual-coordinate space positioning device 100 provided in this embodiment includes: a positioning mechanism 10 , a coordinate adjustment mechanism 20 and a supporting mechanism 30 .

[0033] figure 2 It is a structural schematic diagram of the positioning mechanism in Embodiment 1 of the present invention.

[0034] like figure 2 As shown, the positioning mechanism 10 includes: an upper right-angle guide rail part 11, a lower right-angle guide rail part 12, an upper slider 13, a lower slider 14, an upper positioning rod 15, a lower positioning rod 16, a clamping part 17, and a right-angle perspective positioning ruler 18 And fixed column 19.

[0035] The upper right-angle guide rail 11 includes two upper guide rails perpendicular to each other, and a side perspective positioning ...

Embodiment 2

[0077]The dual-coordinate space positioning device provided in this embodiment includes: a positioning mechanism 210, a coordinate adjusting mechanism and a supporting mechanism. Wherein, the coordinate adjustment mechanism and the support mechanism are completely the same as the coordinate adjustment mechanism and the support mechanism in the embodiment, and will not be repeated here. All components in the positioning mechanism 210 are the same as the positioning mechanism in the embodiment except the clamping piece 217 .

[0078] Figure 8 It is a structural schematic diagram of the positioning mechanism in Embodiment 2 of the present invention. Figure 9 It is a structural schematic diagram of the clamping part in Embodiment 2 of the present invention.

[0079] like Figure 8-9 As shown, the clamping piece 217 is L-shaped, with projections at both ends, each projection has a threaded hole, and the axes of the two threaded holes are perpendicular to each other. The threa...

Embodiment 3

[0084] The dual-coordinate space positioning device provided in this embodiment includes: a positioning mechanism, a coordinate adjustment mechanism 320 and a supporting mechanism 330 . Wherein, the coordinate adjustment mechanism and the positioning mechanism are completely the same as the coordinate adjustment mechanism and the positioning mechanism in the embodiment, and will not be repeated here.

[0085] Figure 10 It is a structural schematic diagram of the coordinate adjustment mechanism and the support mechanism in Embodiment 3 of the present invention.

[0086] like Figure 10 As shown, the supporting mechanism 330 includes a wheel frame 331 , a universal wheel 332 and a universal wheel locking member 333 .

[0087] The wheel frame 331 is arranged below the coordinate adjustment mechanism and includes 5 casters, which are evenly distributed among the 5 casters, and the angle between two adjacent casters is 72°. In other embodiments, a wheel frame 331 with other num...

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Abstract

The invention provides a double-coordinate space positioning device, and belongs to the field of medical instruments. The double-coordinate space positioning device is provided with a positioning mechanism, a coordinate adjusting mechanism and a supporting mechanism. The positioning mechanism comprises a right-angle guide rail piece, a sliding block arranged on the right-angle guide rail piece, apositioning rod arranged in the sliding block in a penetrating mode, two clamping pieces, a right-angle perspective positioning ruler and a fixing column. A side perspective positioning ruler is arranged on the side surface of the right-angle guide rail piece; except scales of the two positioning rulers, all parts of the positioning mechanism are made of materials which are not developed on an X-ray film, so that the double-coordinate space positioning device provided by the invention can realize the determination of the puncture position only by carrying out X-ray positioning twice in the puncture positioning process, not only is the positioning accurate, but also the operation preparation time is saved, and the operation efficiency is improved.

Description

technical field [0001] The invention relates to the field of medical equipment, in particular to a two-coordinate space positioning device. Background technique [0002] Minimally invasive surgery is a trend in the development of surgical operations. It has the advantages of less trauma, less bleeding, beautiful incision, less systemic reaction, less chance of infection, and easy acceptance by patients. However, the operation of minimally invasive surgery must rely on intraoperative X-ray fluoroscopy-assisted positioning, but in the process of X-ray fluoroscopy-assisted positioning, repeated fluoroscopy is often required due to positioning difficulties, which increases radiation exposure. Contents of the invention [0003] The present invention is carried out to solve the above problems, and the purpose is to provide a simple and portable mechanical structure to assist the percutaneous puncture operation in the clinical operation, so that the puncture is more accurate, the...

Claims

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Application Information

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IPC IPC(8): A61B90/11
CPCA61B90/11A61B90/37A61B2090/376
Inventor 罗怡平陈自强张玮李明
Owner 陈自强
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