High-purity magnesium screws modulate macrophage polarization during the tendon-bone healing process in the anterior cruciate ligament reconstruction rabbit model.

Magnesium (Mg) screws perform clinical potential in anterior cruciate ligament (ACL) reconstruction, and promote fibrocartilaginous entheses regeneration at the femoral entrance. We aim to prove that high-purity Magnesium (HP Mg) screws modulate macrophage polarization in fibrocartilage interface regeneration both and . HP Mg extracts performed good cytocompatibility and significantly promoted M2 macrophage polarization in the flow cytometry and ELISA assays.

Correlation between intraoperative and postoperative vaulting of the EVO implantable Collamer lens: a retrospective study of real-time observations of vaulting using the RESCAN 700 system.

Background: Implantable Collamer lens (ICL) vaulting is one of the most important parameters for the safety, aqueous humor circulation, and lens transparency after ICL implantation. This study aimed to investigate the factors associated with the actual vaulting after refractive EVO-ICL surgery.

Methods: This retrospective study included patients who underwent EVO-ICL surgery at a tertiary eye hospital between October and December 2019.

Improved osteoblast proliferation, differentiation and mineralization on nanophase Ti6Al4V.

Background: Previous studies have demonstrated increased functions of osteoblasts on nanophase materials compared to conventional ceramics or composites. Nanophase materials are unique materials that simulate dimensions of constituent components of bone as they possess particle or grain sizes less than 100 nm. However, to date, interactions of osteoblasts on nanophase materials compared to conventional metals remain to be elucidated.

[In vivo effect of nanophase Ti6Al4V on osseointegration: experiment with rabbits].

Objective: To evaluate the effect of nanophase Ti6Al4V substrates on the osseointegration in vivo.

Method: Novel nanophase Ti6Al4V substrates were prepared according to the severe plastic deformation principle. Eighteen New Zealand white rabbits were randomly divided into 3 equal groups with their trochanters of femur exposed and implanted with titanium substrate with common surface (Ti group), nanophase Ti6Al4V substrate (nano-Ti group), and hydroxyapatite-coated substrate (HA group) respectively.

[The effects of nanostructured titanium fabricated via surface plastic deformation on Saos-2 cell adherence, proliferation and differentiation].

Purpose: To study the effects of nanostructured titanium fabricated via surface plastic deformation on Saos-2 cell adherence, proliferation and differentiation in vitro.

Methods: Nanostructured titanium surfaces were prepared using plastic deformation and divided into three groups: group I (30 minutes, n=6), group II (60 minutes, n=6) and group III (90 minutes, n=6), according to the time of preparation. The untreated titanium was used as control group.

[Development of an electrolytically-detachable microcoil for intracranial aneurysms].

An electrolytically-detachable microcoil is introduced here in the paper. The testing results indicate that, the microcoils have stable mechanical properties, clear radiographic images and fine insulation performance. Their detaching time varies from 30s to 200s when voltage changes from 2V to 5V.

[Experimental study on the effects of chitosan on the conjunctiva scar formation and symblepharon].

Objective: To study the effects of chitosan on preventing symblepharon, reducing conjunctiva scar formation and promoting epithelial healing in the treatment of keratoconjunctival alkali burn.

Methods: Keratoconjunctival alkali burn model of New Zealand rabbits was induced in the present study. Twenty-one rabbits were randomly selected from 26 rabbits to induce the alkali burn.

[The effect of Chitosan on intraocular structure when filling in the vitreous cavity].

Objective: To study the effect of Chitosan on intraocular structure and pressure when filling in the vitreous body.

Methods: Chitosan were injected into vitreous cavity in twelve healthy vitrectomized pigmented rabbits in the right eyes (experiment group) and Hyalumnan in the left eyes (control group). Slitlamp biomicroscopy and indirect ophthalmoscopy were performed and intraocular pressure were measured pre- and postoperatively in all eyes.