{
  "patent_number": "US 12734351",
  "country": "US",
  "title": "How a Catheter Blood Pump Extends Its Tip for Guidance",
  "original_title": "Catheter blood pump delivery, guiding systems and methods of use",
  "summary": "This patent describes a tiny blood pump on a catheter that can extend a part of its tip forward, guided by a separate internal wire, to help it move safely and precisely inside blood vessels.",
  "what_it_does": "This patent describes a catheter blood pump designed for improved navigation inside the body. It includes a main pump portion with an impeller, which is the part that actually moves blood. A key feature is an \"axially extendable member\" at the pump's tip, which can move further forward than the impeller's end. This extension is controlled by a \"guide member\" that runs through the pump. Moving this guide member causes the tip to extend or retract, allowing a surgeon to precisely position the pump. For example, a doctor could extend the tip to carefully probe a vessel or bypass an obstruction before the larger pump portion follows.",
  "what_it_does_not_cover": [
    "Does not cover catheter blood pumps that lack an extendable member at their distal end.",
    "Does not cover blood pumps where the entire catheter is moved for navigation, rather than just an extendable tip.",
    "Does not cover systems where the extendable member is controlled by external means, such as magnetic fields, instead of an internal guide member.",
    "Does not cover extendable tips that can bend or articulate in different directions, only those that extend axially.",
    "Does not cover blood pumps where the extendable member is not in axial communication with a separate guide member."
  ],
  "filed": "2020-08-07",
  "granted": "2026-09-15",
  "expires": null,
  "status": "active",
  "holder": null,
  "holder_url": null,
  "inventors": [],
  "times_cited": 0,
  "tags": [
    "biotech",
    "medical_devices",
    "mechanical",
    "healthcare"
  ],
  "abstract": "Catheter blood pumps that include a pump portion with an impeller. The blood pumps include an axially extendable member with a distal end that is disposed further distally than the distal end of the impeller, and a guide member extending through the pump portion and axially moveable relative to the pump portion, the guide member inoperable axial communication with the extendable member such that axial movement of the guide member causes axial movement of the extendable member relative to the pump portion.",
  "url": "https://patentbrief.org/patent/us/12734351/catheter-blood-pump-delivery-guiding-systems-and-methods-of-use",
  "markdown_url": "https://patentbrief.org/patent/us/12734351/catheter-blood-pump-delivery-guiding-systems-and-methods-of-use/md",
  "google_patents_url": "https://patents.google.com/patent/US12734351",
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}