Full-automatic blood rheometer with sampling needle protecting mechanism
A sampling needle and blood rheology technology, applied in mixers with rotating stirring devices, chemical instruments and methods, direct current flow characteristic measurement, etc., can solve problems such as damage, bending, and roughness of sampling needles , to achieve the effect of overcoming roughness or even clogging and improving the cleaning effect
Active Publication Date: 2012-05-30
BEIJING PRECIL INSTR CO LTD
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Problems solved by technology
The defects of this patent are as follows: 1. The instrument has been out of use for a long time, and the sampling needle is in a dry state, and the uncleaned protein substances and other foreign matter have dried up, causing the interior of the sampling needle to be rough or even blocked; 2. The instrument is shutting down When the state is moved, it is easy to cause damage or bending of the sample needle due to human touch; 3. When the instrument is moved in the off state, the coordinate position that has been set may change, which will affect the next use
Method used
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Embodiment 1
[0019] see figure 1 , figure 2 , the automatic blood rheometer of the present invention has a box-type base 1, which is provided with a sampling needle device 4, a stirring needle device 7, a rotatable transposition sample disk device 3, and a capillary viscosity measuring device . Rotary blood rheology measurement device 5. Automatic control circuit and matching program; a vertical capillary-type sampling needle 401 is fixed on the sampling needle device, and the position corresponding to the sampling needle is on the base A well-type protection device 6 is provided, which includes a soaking tube that accommodates a sampling needle, and the nozzle at the top of the soaking tube communicates with an overflow liquid collection pool, and a discharge port is arranged at the bottom of the overflow liquid collection pool; The needle device includes a sample needle height adjustment mechanism and a sample needle rotation alignment mechanism.
[0020] see image 3 , Figure 4 , ...
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The invention relates to a full-automatic blood rheometer with a sampling needle protecting mechanism, comprising a machine base. The machine base is provided with a sampling needle device, a stirring needle device, a rotatable-transposition sample disc device, a capillary tube viscosity measuring device, a rotary blood rheology measuring device, an automatic control circuit and a matching program. A vertical capillary tube type sampling needle is fixed on the sampling needle device, a well type protecting device is arranged on the machine base corresponding to the sampling needle and comprises a dipping tube containing the sampling needle, the top end opening of the dipping tube is communicated with an overflow liquid collecting tank, and a discharging opening is arranged at the bottom of the overflow liquid collecting tank. The sampling needle device comprises a sampling needle height regulating mechanism and a sampling needle rotary contraposition mechanism. When stopping, the sampling needle and a stirring needle extend into the dipping tube so as to prevent the sampling needle and the stirring needle from damaging or bending when the machine moves at the stopping state or dueto man-made contact; in addition, the set coordinate positions of the sampling needle and the stirring needle are also protected.
Description
technical field [0001] The invention relates to an automatic blood rheometer with a protection structure for a sampling needle. The blood rheometer is provided with a well-type protection device, including a soaking tube for accommodating a sampling needle and a soaking tube for accommodating a stirring needle. When the instrument is moved in the shutdown state, or human touch causes damage or bending of the sampling needle and stirring needle, at the same time, it also protects the coordinate positions of the sampling needle and stirring needle that have been set. Background technique [0002] Chinese patent 200520104155.6 discloses a fluid viscosity measuring device based on a capillary pipeline for sampling. It has a frame on which a sampling needle device is fixed. A capillary-type sampling needle is fixed on the sampling needle device. The sampling needle communicates with a sampling pump through a sampling pipeline, and a pressure sensor is arranged on the sampling nee...
Claims
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IPC IPC(8): G01N11/08B01F7/16
Inventor 陈生肖继昌刘洋
Owner BEIJING PRECIL INSTR CO LTD