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External fixator for pelvic fracture

A technology of external fixator and pelvis, applied in the direction of external fixator, fixator, etc., can solve the problems of complex operation and low patient adaptability, and achieve the effect of convenient operation, wide application range, and simple and convenient adjustment of screw length

Inactive Publication Date: 2020-02-25
中国人民解放军总医院第七医学中心
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Since the adjustment rods have the shortest length, the increase in the length of the adjustment rods is not suitable for patients with small differences in conditions; in order to be suitable for different patients, it is necessary to manually increase or decrease the number of adjustment rods. When there are many adjustment rods, When installing this device, it is necessary to adjust the adjustment lever one by one, which is complicated to operate

Method used

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  • External fixator for pelvic fracture
  • External fixator for pelvic fracture
  • External fixator for pelvic fracture

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0034] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

[0035] Such as Figure 1-4 As shown, the present invention provides a kind of pelvic fracture external fixator, comprising:

[0036] screw 1;

[0037] Two sleeves 2, the two sleeves 2 are slidingly fitted on the screw 1, both ends of each sleeve 2 are fixed by nuts 3 matching with the screw 1, and the outer wall of one of the sleeves 2 is vertically fixed with The first connecting rod 4, the end of the first connecting rod 4 is provided with a first rotating part 5, the first rotating part 5 is rotated and fixed around the central axis parallel to the screw rod 1, and the spicu...

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Abstract

The invention discloses an external fixator for pelvic fracture, which comprises: a screw; and two sleeves both slidably mounted on the screw in sleeving manner, wherein both ends of each sleeve are fixed through nuts matched with the screws, a first connecting rod is fixedly connected to the outer wall of one sleeve vertically, a first rotating part being arranged at the tail end of the first connecting rod, the first rotating part rotates and is fixed around a central axis parallel to the screw, a bone spicule is detachably and fixedly connected to the tail end of the first rotating part andis perpendicular to the screw, a second connecting rod is fixedly connected to the outer wall of the other sleeve vertically, a second rotating part is arranged at the tail end of the second connecting rod, the second rotating part rotates and is fixed around a central axis parallel to the screw, and a bone spicule is detachably and fixedly connected to the tail end of the second rotating part. The fixator with the same specification is widely applicable and convenient to operate.

Description

technical field [0001] The invention relates to the technical field of orthopedic medical instruments. More specifically, the present invention relates to an external fixator for pelvic fractures. Background technique [0002] When the pelvis is fractured, for example, when the pelvic fracture gap is too large, manual reduction is difficult and not fine enough, and the pelvic fracture external fixator can be used for fixation. [0003] When the pelvis is fractured, for example, when the pelvic fracture gap is too large, manual reduction is difficult and not fine enough, and the pelvic fracture external fixator can be used for fixation. [0004] Existing free-adjustable pelvic external fixation brackets that can be adjusted at multiple angles and are multi-purpose with the same specification include at least three length-adjustable adjustment rods, two lockable universal joints, two lockable universal balls, and two extension rods and two bone needles, wherein each adjustin...

Claims

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Application Information

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IPC IPC(8): A61B17/66
CPCA61B17/66
Inventor 陈晓斌张建政孙天胜刘智
Owner 中国人民解放军总医院第七医学中心
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