Marrow cavity puncture driving device

A driver and intramedullary cavity technology, applied in puncture needles, suction instruments, trocars, etc., can solve the problems of peripheral vein contraction and collapse, affecting the implementation of resuscitation, and difficulty in puncturing, and achieves easy to master in a short time, easy to master, and easy to operate. simple effect

Inactive Publication Date: 2011-09-21
王立祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For critically ill patients, peripheral veins often shrink and collapse, making it difficult to puncture. It is difficult to establish a central vein, and phlebotomy takes a long time, which affects the implementation of resuscitation.

Method used

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  • Marrow cavity puncture driving device
  • Marrow cavity puncture driving device

Examples

Experimental program
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Embodiment Construction

[0008] see figure 1 , the puncture needle plug (1) is in front of the outer rotating part (2), and is used to connect the bone marrow cavity puncture needle, and the inner chamber of the outer rotating part (2) has threads to match the threads on the threaded screw (5), and can be Rotate and slide on the threaded lead screw (5), there is a return spring (4) outside the threaded lead screw (5), between the outer rotating part (2) and the check gear (6), and the threaded lead screw (5) There is a check gear (6) at the rear end, one end of the check plate (8) is embedded on the shell (3), the other end of the check plate (8) is lapped on the teeth of the check gear (6), and the spring The sheet (7) is pressed on the non-reverse sheet (8), and the handle (9) and the shell (3) support the rear end of the threaded screw (5) together.

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Abstract

Under an emergent condition, infusion to the marrow cavity is the optimal method for creating an emergency infusion channel. Medicine and liquid infused into the marrow cavity can enter into blood quickly and effectively to circulate; and the time entering body circulation through marrow cavity infusion and the time entering body circulation through central intravenous injection are approximately same and are shorter than that by peripheral venous injection. As for seriously ill patients who cannot be subjected to conventional venipuncture, marrow cavity infusion can be used as a preferred alternative method which is a quick, safe and effective rescue technology for gaining valuable time for rescuing lives. By adopting the forward or reverse screw propelling principle, a forward rotation action achieved by means of the pressure generated in manual propelling supplies a driving force for various marrow puncture needles, and a medullo-puncture needle is inserted into the marrow cavity conveniently under the driving force so that liquid medicine is injected into veins quickly.

Description

technical field [0001] The invention belongs to the technology of medical infusion equipment, and relates to an equipment for intraosseous cavity infusion, which is convenient for quick drug administration and rehydration, and is especially used for emergency treatment of critically ill patients. Background technique [0002] In clinical first aid, whether the infusion channel can be established in time and effectively is directly related to the success of the treatment. The general methods of establishing venous access include peripheral vein, central venipuncture and phlebotomy. For critically ill patients, peripheral veins often shrink and collapse, making it difficult to puncture. It is also difficult to establish a central vein, and phlebotomy takes a long time, which affects the implementation of resuscitation. Contents of the invention [0003] In critical situations, the best way to establish an emergency infusion channel is intraosseous infusion. Drugs and fluid...

Claims

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Application Information

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IPC IPC(8): A61B17/34A61M1/00
Inventor 王立祥薛世骏于林松
Owner 王立祥
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