Sogo Design... Ten years of focus on medical health the only track.
Customer: Haskell
Project Name: Medical Cart Design
Cooperation content: design analysis | appearance design | structural design | prototype production | accompanying running assistance
1. Design Analysis: Making "Silent Supporting Acts" an Efficiency Engine
In most people's minds, medical carts are just "tables on wheels". However, in the real scene of a 3A hospital with an average daily number of steps exceeding 30,000 and a single shift starting and stopping more than 100 times, it has already been upgraded to a "mobile micro workstation":
Logistics dimension-the "last kilometer" of drugs, high-value consumables, IVD reagents and surgical instruments ";
Information dimension-integrated RFID, code scanning gun and mobile terminal to become real-time data acquisition terminal;
Sense control dimension-to meet the stringent requirements of clean sewage diversion, rapid disinfection, hospital sense traceability.
Therefore, the new generation of medical carts must answer three questions at the same time: how to "pack more" and "find faster"? How to "run far" and "stop steadily"? How to "see clearly" and "easy to kill"?
2. Design Language: Translating "Hospital Temperament" into Product Symbols
The main color of the clean area is white + sky blue, and the emergency area is warned with high saturated red + lemon yellow. The cart adopts the strategy of "double fight:
The main body is medical grade white (Pantone 11-0602), which forms low contrast with wall surface and clean board to reduce visual noise;
The functional module is dotted with 2.5 ° light blue, implying "controllable technological temperature";
Use 5 ° dark gray for the handle and unlocking button, and use color weight to guide the "hand holding area".
The outline language gives up acute angles and uses R20 mm continuous chamfering to avoid bumping and form a "soft but professional" first impression.
3. Design Details: Break down every push and pull into quantifiable actions
Modular Loading System
The height of the three-layer drawer is progressive according to the modulus of 1U-2U-3U, which can be quickly disassembled into "medicine version", "consumable version" and "equipment version" in 10 seconds ". TPU adjustable partition board is adopted inside the drawer to realize 15 mm magnification division and 20 kg compression resistance without deformation.
Six-wheel adaptive chassis
The "diamond layout" of the first two and the last four reduces the turning radius to 850mm; The middle two wheels have a 30-degree swing structure and can cross the 40 mm ward threshold. Wheel surface 75 ° hard TPE package 55 ° soft TPE, mute ≤ 45 dB(A).
One-key lifting column
The 48 V brushless motor drives the lead screw with a stroke of 300 mm and a load of 15 kg for only 8 s; The rebound distance is 5 mm and the clamping force is ≤ 50 N, which meets the mechanical safety clauses of IEC 60601-1.
Stealth routing and fast killing
Cables, negative pressure pipes and data lines are all hidden in Φ 30 mm central column; The shell has no screws, rounded corners ≥ R10 mm, surface roughness Ra≤ 0.8 μm, and alcohol can evaporate and leave no residue within 30 s.
Information Module
The top is embedded with 13.3 "touch all-in-one machine, which supports NFC access control identification. The side magnetic absorption storage box has a built-in code scanning gun, which automatically associates HIS batch number after scanning bar code, thus realizing" item-location-time "triangular traceability.
4. Ergonomics: Transforming "Steps" into "Data"
Push-pull force: under full load of 60kg, starting force ≤ 15 N, continuous force ≤ 25 N(ISO 11228 limit of 50 N), nurse's 8 h shift can save about 1.2 tons/m of muscle work.
Handle height: 900 mm diameter 35mm, matching the 50th percentile female elbow height; camber 12 to reduce wrist ulnar deviation.
Visible surface: when the drawer is fully open, 90% of the contents are below 1480 mm in height of the nurse's eye, and the label can be read without tiptoe.
Color coding: high-risk drugs red, anesthesia blue, conventional white, reduce the error rate of 60% (in-hospital control experiment, n = 2400 times).
5. Scenario Value: From "One Car" to "One Chain"
In the day surgery center, the average preoperative preparation for an appendectomy was 7 min in the past, of which 3.5 min was wasted looking for consumables. After the modular cart is adopted, the "complete set of consumables boxes" before operation are directly pushed into the operating room, RFID is automatically checked, the preparation time is shortened to 1.8 min, and the daily turnover of the operating room is increased from 5 to 7.
In the static distribution center, the lifting cart allows pharmacists to sit and complete labeling and review, and the annual incidence of lumbar spine injury is reduced by 80%.
6. conclusion: the invisible "efficiency revolution"
The medical cart has no shining light band and no eye-catching large screen. However, it uses millimeter-level dimension chain, Newton-level mechanical optimization and micron-level surface roughness to silently complete a silent efficiency revolution. It makes the nurse's step shorter, the doctor's time longer, and the patient's wait less.
When hospital managers began to measure ROI by "the average number of steps saved per day by a single cart", we really understood that good medical design is not icing on the cake, but making every push and pull a productivity worth calculating.