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Bone cement propelling type injection device

A technology of injecting device and bone cement, applied in the direction of fixer, etc., can solve the problems of large size of the device and inability to grasp the filler, and achieve the effect of avoiding the retraction of bone cement

Inactive Publication Date: 2019-12-13
常州凯耀医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Although this kind of bone cement filler can reduce the perfusion pressure in the injection cavity and reduce the risk of bone cement leakage, but the device is bulky, and doctors cannot grasp the entire filler during surgery.

Method used

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  • Bone cement propelling type injection device
  • Bone cement propelling type injection device
  • Bone cement propelling type injection device

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] In an embodiment of the present invention, a bone cement push type injection device.

[0037] Working principle of the present invention is: as figure 1As shown, a bone cement push-type injection device includes a device body, and the device body includes a sleeve 1. The sleeve 1 is rectangular, and the sleeve 1 can hold bone cement. There is a groove inside the sleeve 1. There is a pusher for pushing the bone cement, the pusher includes a rotating rod...

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Abstract

The invention discloses a bone cement propelling type injection device. The device comprises a device body, wherein the device body comprises a sleeve, a groove is formed in the sleeve, a propelling piece for propelling bone cement is arranged in the groove, the propelling piece comprises a rotary rod, a through hole is formed in the position, close to the rotary rod, of the groove, a lantern ringis arranged on the rotary rod, the rotary rod is rotatably connected with the lantern ring, the lantern ring is connected with the through hole through a nut, a connecting port is formed in one side,far away from the rotary rod, of the groove, an injection piece for injecting the bone cement is arranged in the connecting port, the injection piece comprises an injection pipe for storing the bonecement, and the injection pipe is embedded in the connecting port. The device is small in volume and convenient to be held by a user, and avoids the phenomenon of bone cement retraction caused by insufficient force, and the operation difficulty of inserting the bone cement is reduced.

Description

technical field [0001] The invention relates to the field of orthopedic medical instruments, in particular to a bone cement propelling injection device. Background technique [0002] Bone cement is a common name for bone cement. Bone cement is a medical material used in orthopedic surgery. Because of its physical properties and appearance and properties after solidification, it is quite similar to white cement for construction and decoration. popular name. [0003] Bone cement injection surgery is mainly used to treat osteoporosis. Vertebral compression fracture is the most common complication in patients with osteoporosis. A new type of minimally invasive surgery. [0004] During the development of bio-bone cement, two systems have been formed: PMMA bone cement with poor biocompatibility and calcium phosphate bone cement with good biocompatibility. [0005] PMMA bone cement: The traditional acrylic bone cement represented by polymethyl methacrylate bone cement is a room ...

Claims

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Application Information

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IPC IPC(8): A61B17/88
CPCA61B17/8811A61B17/8822A61B17/8827A61B17/8833
Inventor 徐凯
Owner 常州凯耀医疗器械有限公司
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