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Adjustable single bent conduit

An adjustable, single-bend technology, applied in the direction of the catheter, etc., to achieve the effect of excellent blood vessel passage

Inactive Publication Date: 2016-06-01
SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is no report about the adjustable single curved catheter of the present invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1 Adjustable single bend catheter

[0035] Please refer to the attached Figure 1-3 , the adjustable single-curved catheter consists of a head section (1), a curved section (2), a middle section (3), a regulator (4), a wire drawing one (5), a wire drawing two (6) and a wire drawing fixing hole ( 7) Composition. The head section (1), the bending section (2), the middle section (3) and the regulator (4) are connected in sequence. The adjustable single-bend catheter is equipped with wire drawing one (5) and wire drawing two (6) inside, and a wire drawing fixing hole (7) is provided in the middle section (3), and wire drawing one (5) and wire drawing two (6) pass through the wire drawing Fixing holes (7). The head section (1) and the middle section (3) can be common medical materials, and the curved section (2) also needs to have certain elasticity. Wire drawing one (5) is located on the side of the adjustable single-bend catheter with a smaller radius of cur...

Embodiment 2

[0043] Embodiment 2 usage method and working principle

[0044] When in use, because the angle α is formed between the head section (1) and the middle section (3), if the blood vessel can pass smoothly, there is no need to adjust the size of the angle α. If the included angle is inappropriate, the knob one (42) is rotated backward, and the annular groove one (44) will pull the drag hook one (45), thereby tightening the drawing wire one (5), and the head section (1) will Rotate counterclockwise, the included angle α decreases; the second knob (46) turns backward, the second annular groove (48) will pull the second hook (49), thereby tightening the second wire (6), and the head section (1) will counterclockwise Rotate, the angle α increases. Knob 1 (42) and Knob 2 (46) rotate to different positions corresponding to different angles α. By reading the scale on the controller shell (41), the size of the angle α can be known. The size of the included angle α can be adjusted by the...

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PUM

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Abstract

The invention relates to an adjustable single bent conduit and belongs to the technical field of medical instruments. The adjustable single bent conduit is composed of a head section (1), a bent section (2), a middle section (3), a regulator (4), a first draw wire (5), a second draw wire (6) and a draw wire fixing hole (7). The adjustable single bent conduit has the advantage that in the initial state, a certain included angle is formed between the head section and the middle section, the included angle is adjustable, the size of the included angle is visible, and therefore the adjustable single bent conduit has excellent blood vessel passing ability.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to an adjustable single-curved catheter. Background technique [0002] With the aging population in our country, the incidence of vascular diseases is getting higher and higher. In order to diagnose and treat vascular diseases, minimally invasive interventional surgery such as vascular surgery, cardiology, neurosurgery, thoracic surgery, and interventional surgery has become the general trend. Catheter is one of the basic tools for vascular interventional diagnosis and treatment. With the help of guide wire, it can reach the target blood vessel for diagnosis and treatment. At present, there are a variety of prefabricated bending shapes for the tip of the catheter. Although it can basically meet the superselection of most blood vessels, these pre-bent catheters cannot provide a suitable angle change when some small angle adjustments are required. Interventional surgeons ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/01A61M25/00
CPCA61M25/0068A61M25/01A61M25/0147
Inventor 职康康高一菁曲乐丰
Owner SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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