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1.
Article in Chinese | WPRIM | ID: wpr-885311

ABSTRACT

Objective:To explore the application value of modified technique of ureter implantation in murine renal transplantation.Methods:Thirty left donor kidneys from BALB/c mice was transplanted into syngeneic mice. Cuff technique was applied for anastomosing kidney artery and vein. The procedure of ureter-bladder anastomoses shifted from implication-fixation-embedding to fixation-implication-embedding. Operative duration, recipient survival rate and complications were recorded.Results:Time for separating vessels, perfusion and excision of donor graft was (25±3) min, (10±6) s for warm ischemia and (25±5) min for cold ischemia. Time for separating recipient vessels was (12±5) min, (7±1) min for arterial anastomosis, (7±1) min for venous anastomosis, (13±2) min for ureter-bladder anastomosis, (5±1) min for right kidney excision and (5±1) min for abdominal closure. Operative duration was(77±3)min. Twenty-six recipients survived over 3 months. The successful operative rate was 86.7%.Conclusions:With a shorter learning curve, modified technique of ureter implantation is easier and faster so as to reduce the postoperative incidence of urinary tract complications during murine renal transplantation.

2.
Journal of Biomedical Engineering ; (6): 1288-1293, 2014.
Article in Chinese | WPRIM | ID: wpr-234414

ABSTRACT

A new urine analysis core module based on high performance 32-bit microprocessor and high precision color sensor was presented. A novel optical structure and a specific circuit were applied to improve measurement precision and temperature was used to compensate for results in this core module. The information of urine test peice, such as all original data and color RGB value, reflectivity, semi-quantitative level, etc. can be output. The results showed that the measuring precision was about 95% or above with ideal stability and reliability using this presented core module, which can be conveniently applied in various urine analyzers, and can greatly decrease the cost of urine analyzers in development and production.


Subject(s)
Color , Equipment Design , Microcomputers , Reproducibility of Results , Temperature , Urinalysis , Methods
3.
Article in Chinese | WPRIM | ID: wpr-436017

ABSTRACT

Transistor amplifier is the key and difficult points in the teaching of medical electronics,however,most of the teaching materials on this content is insufficient.Meanwhile,medical students have little knowledge of engineering,so it is difficult for them to grasp the related knowledge.We introduced ‘ superposition theorem’ into the relevant teaching.Teaching practice proved that this reform made it easier for medical students to have an in-depth understanding of the content and better teaching effect was achieved.

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