A kidney puncture sampling device
A sampling device and kidney puncture technology, applied in the field of medical devices, can solve the problems of accurate analysis, influence, accurate and efficient sampling operation of puncture, etc., and achieve the effect of improving accurate analysis and detection
Active Publication Date: 2021-06-04
THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL
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Problems solved by technology
[0006] In order to make up for the deficiencies in the prior art, the present invention proposes a kidney puncture sampling device. The present invention is mainly used to solve the problem that when the existing sampling device is in use, most of the needle ports of the sampling head are in an open state, and the patient The interior of the kidney is relatively complex, and waste, poisons, and metabolites are likely to remain. When the puncture needle reaches the patient's kidney, the puncture needle will remain in contact with metabolites, which will affect the puncture to target the diseased tissue inside the kidney. Accurate and efficient sampling operations, which affect the accurate analysis of lesions by medical staff
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[0027] As an embodiment of the present invention, the spiral winding mechanism 7 includes a sleeve 71, a rotating ring 72, a support rod 73 and a T-shaped elastic block 74; the sleeve 71 is sleeved on the threaded pipe 5, and the sleeve 71 is located at the bottom end of the internally threaded disk 8; the bottom end of the sleeve 71 is connected with a plurality of support rods 73 through the rotation ring 72, and the plurality of support rods 73 are fixed on the bottom end of the fixed pipe 1; the threaded pipe 5 is provided with a T-shaped chute 51 in the vertical direction on the outer side wall, and the upper end of the T-shaped chute 51 is provided with an annular locking groove 52; the inner wall of the sleeve 71 is equipped with a T-shaped elastic block 74, and the T-shaped elastic block 74 slides up and down in the T-shaped chute 51; the outer wall of the sleeve 71 is connected with a nanofiber rope 13; during operation, when the threaded pipe 5 rotates, the threaded p...
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The invention belongs to the technical field of medical equipment, specifically a kidney puncture sampling device; it includes a fixed tube; the bottom end of the fixed tube is connected with an outer needle tube, and an inner needle tube is slidably inserted into the outer needle tube; the top end of the inner needle tube is rotated The sleeve is rotatably connected with a threaded tube; the fixed cylinder is fixed with an internal threaded disk; the inner needle tube is provided with a sealing plug, and the inner needle tube is inserted with a push rod; the bottom end of the outer needle tube is provided with a needle head; the medical sealing diaphragm Slidingly fitted to the needle mouth of the needle; an installation cavity is opened on the upper side of the needle mouth at the end of the needle; a sliding groove is opened on the inner cavity wall of the outer needle tube, and a nanofiber rope is slidingly arranged in the sliding groove; one end of the nanofiber rope is worn It is connected to the upper end of the medical sealing diaphragm through the installation cavity, and the nanofiber rope is wound on the outer wall of the threaded tube; it prevents other tissues from entering the nozzle position of the inner needle tube, thereby improving the detection personnel's awareness of the etiology of the diseased tissue after sampling. Accurate analysis and detection.
Description
technical field [0001] The invention belongs to the technical field of medical instruments, in particular to a kidney puncture sampling device. Background technique [0002] The kidney is an important metabolic organ of the human body. Kidney biopsy, referred to as kidney biopsy, is an important examination method to clarify the nature and pathological types of kidney diseases, determine treatment guidelines, and determine prognosis. It can be applied to the treatment of various symptoms such as asymptomatic hematuria, proteinuria, acute nephritis, primary nephrotic syndrome, secondary or hereditary nephritis. [0003] In clinical research and diagnosis, living body sampling is often used to sample the part to be studied or diagnosed. That is to take samples of the parts or tissues to be studied or analyzed, and then culture and test the taken samples to obtain convincing and targeted results or conclusions. In the application of extracting a small amount of samples, the b...
Claims
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IPC IPC(8): A61B10/02
CPCA61B10/0266A61B10/0283
Inventor林淑芃
OwnerTHE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL