Endovascular biopsy device and biopsy system
A biopsy device and blood vessel technology, applied in the field of medical devices, can solve problems such as large trauma and patient injury
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Embodiment 1
[0031] figure 1 Schematic diagram of the structure of the intravascular biopsy device provided by the embodiment of the present invention; figure 2 It is a schematic diagram of the practical application of the intravascular biopsy device provided by the embodiment of the present invention for the protruding lesion of the side wall of the blood vessel; image 3 A schematic diagram of the practical application of the intravascular biopsy device provided in the embodiment of the present invention for large vessel occlusive lesions; Figure 1-Figure 3 As shown, the intravascular biopsy device provided by Embodiment 1 of the present invention includes a biopsy forceps 1, a rotating sleeve 2, an angle adjustment reset mechanism 3, an outer sheath 4, a fixed balloon 5, and an injection catheter 6;
[0032] The biopsy forceps 1 includes a forceps head 11, a long arm 12 and an operating handle 13 connected in sequence;
[0033] The long arm 12 is installed in the hollow cavity of th...
Embodiment 2
[0053] The intravascular biopsy device provided in the second embodiment is a further improvement on the intravascular biopsy device provided in the first embodiment. Figure 1-Figure 3 On the basis of , the intravascular biopsy device provided in Example 2 includes a biopsy forceps 1, a rotating sleeve 2, an angle adjustment reset mechanism 3, an outer sheath 4, a fixed balloon 5, and an injection catheter 6;
[0054] The biopsy forceps 1 includes a forceps head 11, a long arm 12 and an operating handle 13 connected in sequence;
[0055] The long arm 12 is installed in the hollow cavity of the rotating sleeve 2, and the pliers head 11 and the end of the long arm 12 connected to the pliers head 11 pass out of the rotating sleeve 2. The outer wall, the angle adjustment reset mechanism 3 is hinged on the outer wall of the rotating sleeve 2 and is slidably connected with the end of the long arm 12, and the outer sheath 4 is slidably connected with the rotating sleeve 2;
[0056]...
Embodiment 3
[0078] The intravascular biopsy device provided in the third part of this embodiment is a further improvement on the intravascular biopsy device provided in the first embodiment. Figure 1-Figure 3 On the basis of , the intravascular biopsy device provided in Example 3 includes biopsy forceps 1, rotating sleeve 2, angle adjustment and reset mechanism 3, outer sheath 4, fixed balloon 5 and infusion catheter 6;
[0079] The biopsy forceps 1 includes a forceps head 11, a long arm 12 and an operating handle 13 connected in sequence;
[0080] The long arm 12 is installed in the hollow cavity of the rotating sleeve 2, and the pliers head 11 and the end of the long arm 12 connected to the pliers head 11 pass out of the rotating sleeve 2. The outer wall, the angle adjustment reset mechanism 3 is hinged on the outer wall of the rotating sleeve 2 and is slidably connected with the end of the long arm 12, and the outer sheath 4 is slidably connected with the rotating sleeve 2;
[0081] ...
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