The invention relates to an elbow joint stent which comprises an ulna and radius connection mechanism and a humerus connection mechanism. A rotation member is arranged between the ulna and radius connection mechanism and the humerus connection mechanism, the rotation member comprises an outer ring and an inner ring which is concentric with the outer ring, the inner ring is movably arranged in the outer ring, and the inner ring and the outer ring can oppositely rotate; an inner ring connection portion is arranged on the inner ring, a lock bolt is arranged at the position on the inner ring connection portion, the position on the inner ring connection portion corresponds to the outer ring, a protruded block which is designed to be integrated with the outer ring is arranged on the outer wall of the outer ring, a first inner hole is arranged in the middle of the protruded block, an outer ring connection portion is sleeved on the protruded block, the inner ring connection portion is connected with the humerus connection mechanism, and the outer ring connection portion is connected with the ulna and radius connection mechanism; and a limit pin is arranged on the outer ring, and a plurality of thread holes which are matched with the limit pin are evenly arranged on the outer ring. The elbow joint stent is suitable for fixation and joint function trainings after fracture operations.

Elbow joint stent

The invention discloses a device for preventing harm of formaldehyde to teaching staff during anatomy. The device comprises a box body with five open surfaces, wherein a formalin solution is accommodated in the box body; and an anatomy table for holding a body is arranged above the liquid surface of the solution, which is close to the upper opening of the box body. the device is characterized in that a transparent sealing cover covers the box body; at least three operating sleeve holes are formed in one of the two side surfaces of the sealing cover in the length direction; at least one operating sleeve hole is formed in one of the two side surfaces of the sealing cover in the width direction; a negative pressure outlet is formed in one side surface between the liquid surface of the formalin solution and the anatomy table in the box body; and the negative pressure outlet is communicated with a negative pressure device.

Device for preventing harm of formaldehyde to teaching staff during anatomy

The invention relates to a device for realizing fracture anatomical reduction. Belonging to the field of medical apparatus and instruments; the main structure of the device comprises a supporting plate, a sliding collar and a two-section nail; the connection way is that: the sliding collar is arranged on the supporting plate, the two-section nail is arranged in the sliding collar, and the plate, the collar and the nail form a resetting body; the invention has the technical characteristics of one nail resetting, universal resetting, assembly design, general function and being compatible with original fixed proposal, and has essential characteristics and remarkable progress. The device is suitable for resetting of various long tubular fractures universally and can correct various common displacement types, for instance, separation-short displacement, back and forth-inside and outside angulation displacement, back and forth-inside and outside translation displacement, internal rotation-external rotation displacement and compound displacement, and the fractures can achieve anatomy resetting.

Anatomical reduction brace

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Anatomical reduction brace