Paracentesis Needle Guide Orientation Device

A directional device, puncture needle technology, applied in the directions of puncture needles, puncture needles, trocars, etc., can solve the problems of inaccurate precision, large resistance, deflection or slipping, etc., to improve accuracy, ensure stability, puncture The effect of a large angle span

Inactive Publication Date: 2021-05-28
HUANGHE S & T COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at problems such as deflection or slippage caused by large resistance and inaccurate guiding precision of existing puncture needles used in paracentesis during operation, and provides a puncture needle for paracentesis that can determine the puncture direction in a large range. and positioned puncture needle guide orienting device

Method used

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  • Paracentesis Needle Guide Orientation Device
  • Paracentesis Needle Guide Orientation Device
  • Paracentesis Needle Guide Orientation Device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0052] Embodiment 2: On the basis of Embodiment 1, the lower main swing rod, the lower slave swing rod, the upper master swing rod and the upper slave swing rod respectively include the left and right side rods and are fixed as a whole by the connecting rod in the middle, adjacent to each other. When the swing bar is connected with the corresponding lock bar and the lock nut, the shaft holes are arranged at the ends of the two side bars and the lock nut support sleeves are added between the shaft holes of the two side bars. The purpose of this design is to maintain moderate elasticity at the end of each swing rod. After the lock nut support sleeve is added, the lock nut support sleeve forms a locking structure with the corresponding lock rod and lock nut, which is more secure. from figure 1 and figure 2 It can be seen that no matter the guide sleeve in the adjustment device is adjusted to any angle and height, there are always two support points for constraining the guide sl...

Embodiment 3

[0053] Embodiment 3: On the basis of Embodiment 1, further, the lower fixed sleeve and the upper fixed sleeve fitted outside the guide sleeve can slide along the guide sleeve and be locked and fixed. This method can adjust the lower fixed sleeve and the upper fixed sleeve respectively, which essentially expands the swing angle range of the guide sleeve.

Embodiment 4

[0054] Embodiment 4: On the basis of Embodiment 1, compared with the fixing seat fixed on one side of the installation collar in Embodiment 1, this embodiment adopts the radial arrangement of fixed wires at the symmetrical positions on both sides of the installation collar respectively, And the symmetrical fixing wires on both sides pass through the center of the installation collar, such as Figure 9 and Figure 10 As shown, the two sides of the fixing seat are respectively connected with the corresponding fixing wires, so that the fixing seat is fixed on the symmetrical positions of the two sides of the installation collar over the diameter.

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Abstract

The invention discloses a peritoneal puncture needle guiding and orienting device, which comprises a fixing base and a mounting collar connected with the fixing base and used for installing a B-ultrasound probe. A guide sleeve assembly is installed at the end of the swing link group. No matter the guide sleeve is adjusted to any angle and height, there are always two support points for constraining the guide sleeve, and the stability of the guide sleeve can be improved by fixing the two support points from both ends of the guide sleeve. A laser can be installed at the hinged position of the lower main swing rod and the lower slave swing rod, and the swing amplitude of the laser is half of the swing range of the guide sleeve, so that the projected extension line of the laser passes through the end of the puncture point located in the abdominal cavity.

Description

technical field [0001] The invention belongs to the technical field of puncture needle auxiliary equipment for organ tissue sampling and injection treatment in clinical medicine, and in particular relates to a puncture needle guiding orienting device for abdominal puncture. Background technique [0002] Paracentesis needs to insert the puncture needle directly from the anterior abdominal wall into the peritoneal cavity, which has dual functions of diagnosis and treatment, and is one of the commonly used operating techniques in clinical medicine. The clinical application of paracentesis is relatively common, and it is suitable for patients with suspected abdominal organ damage after abdominal trauma; patients with peritoneal irritation symptoms but unknown reasons suspected of perforation of the consumption tract and peritoneal hemorrhage; patients with ascites of unknown etiology; When the pain is obvious, put ascites appropriately to relieve symptoms; intraperitoneal drug t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/34
CPCA61B17/3403A61B17/3462A61B2017/3413
Inventor 张铁山尚曙玉王聪颖邢汝月王冬梅陈喆
Owner HUANGHE S & T COLLEGE
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