Blood-drawing auxiliary device for internal medicine of hematology
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- ζθε©
- Publication Date
- 2017-07-14
- Estimated Expiration
- Not applicable Β· inactive patent
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Abstract
Description
technical field
[0001] The invention relates to the technical field of hematology auxiliary devices, in particular to a blood drawing auxiliary device for hematology. Background technique
[0002] At present, when a doctor draws a blood sample for a patient, he usually puts a liner on the table under the patient's arm, and then uses a rubber tube to tie the patient's arm tightly to expose the blood vessel, and then directly uses a blood-drawing needle. To draw blood, use a rubber tube to tie the patient's arm tightly, which is time-consuming and labor-intensive, and if the binding time is too long, it will easily cause subcutaneous congestion and increase the pain of the patient. Especially for organizational blood testing, due to the large number of people, Repeated tying of the cuff can cause great burden, and the patient's arm is easy to move at the same time. Contents of the invention
[0003] The technical problem to be solved by the present invention is to overcome ...