MEMORY ELASTIC WIRE SLEEVE FOR PEELING MAXILLARY SINUS MEMBRANE

Abstract

A memory elastic wire sleeve for peeling maxillary sinus mucous membrane is adapted for implant surgeries and/or bone grafting in the regions close to the maxillary sinus floor. The memory elastic wire sleeve includes a primary peeling structure and a secondary peeling structure, wherein the primary peeling structure comprises a hollow sleeve and a peeling edge located on the top of the hollow sleeve, and can peel the maxillary sinus mucous membrane preliminarily, and the second peeling structure is a memory elastic wire which can further peel the maxillary sinus mucous membrane. The memory elastic wire sleeve is simple and dainty, and can safely and effectively peel away the maxillary sinus mucous membrane within a large range.

Claims

1. A cannula with memory elastic filament for striping away sinus mucous, comprising a primary striping structure and a secondary striping structure, said primary striping structure is consisted of a hollow cannula and a striping edge at the top of the hollow cannula, said secondary striping structure adopts an elastic filament, wherein, said elastic filament has ultra-elasticity and/or memory, said elastic filament passes through said hollow cannula from bottom, and said striping edge controls the elastic filament to extend forward and downward from the hollow cannula.

2. The cannula with memory elastic filament of claim 1, wherein a part of said elastic filament that extends beyond said hollow cannula is used as striping filament that is variable in terms of size, extension direction and shape.

3. The cannula with memory elastic filament of claim 1, wherein said elastic filament is bent into double strands.

4. The cannula with memory elastic filament of claim 1, wherein the elastic filament is machined to have a shape suitable for striping away the maxillary sinus floor mucous and the elastic filament passes into the hollow cannula during assemble of said cannula with memory elastic filament.

5. The cannula with memory elastic filament of claim 2, wherein said striping filament is of irregularly circle shape.

6. The cannula with memory elastic filament of claim 2, wherein the striping filament expands so as to be hidden in the striping edge but can not continue retracting into the hollow cannula.

7. The cannula with memory elastic filament of claim 1, wherein the striping edge of said hollow cannula is of arc shape; and/or an end of said hollow cannula has a holding end; and/or an end of said elastic filament has a stop plug; and/or the hollow cannula is marked with scale; and/or the elastic filament is marked with scale.

8. The cannula with memory elastic filament of claim 1, wherein a material for said elastic filament is nonmetal and/or metal alloy.

9. The cannula with memory elastic filament of claim 1, wherein the hollow cannula has a diameter of 1-4 mm, the elastic filament has a diameter of 0.3-0.6 mm, and the striping edge has a length of 1-5 mm.

10. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 1.

11. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 2.

12. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 3.

13. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 4.

14. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 5.

15. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 6.

16. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 7.

17. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 8.

18. A kit of cannulas with memory elastic filament, wherein said kit comprises the cannulas with memory elastic filament of claim 9.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0049] FIG. 1 is a structure diagram of a cannula with memory elastic filament.

[0050] FIG. 2 is a cross-section view of the middle portion of the cannula with memory elastic filament.

[0051] FIG. 3 is a diagram of striping away mucosa with the cannula with memory elastic filament.

[0052] FIG. 4 is a diagram of striping away mucosa with the cannula with memory elastic filament.

[0053] In the figures,

[0054] 1. Striping edge; 2. Hollow cannula; 3. Holding end; 4. Elastic filament; 5. Annular scale; 6. Scale; 7. Stop plug; 8. Striping filament; 9. The height of alveolar bone; 10. Bone hole; 11. maxillary sinus mucous

DETAILED DESCRIPTION

[0055] The present invention will be further described below with respect to specific embodiments which only serves to explain the present invention rather than being construed to limit the present invention. Those of ordinary skill in the art may understand that these embodiments may be subject to various changes, modifications, substitutions and variations without departing from the principle and spirit of the present invention and the scope of the present invention is only defined by the claims and equivalents thereof.

Embodiment 1

[0056] Striping away the maxillary sinus floor mucous with the primary striping structure: placing the hollow cannula 2 into the bone hole 10 slowly, holding the hollow cannula 2 or the holding end 3 to strip away mucous with the striping edge, slowly rotating the hollow cannula 2 horizontally to strip away the maxillary sinus floor mucous 11 by one round, thereby obtaining a striping range of about 3 mm around the hole.

Embodiment 2

[0057] Striping away the maxillary sinus floor mucous with the secondary striping structure: placing the hollow cannula 2 into the bone hole 10 slowly (now the striping filament 8 is hidden in/under the striping edge 1), and operating the elastic filament 4 or the stop plug 7 to allow the striping filament 8 extend downward and forward along the striping edge 1. Suitable striping length may be selected according to the required lifting height.

Embodiment 3

[0058] Striping away the maxillary sinus floor mucous with the secondary striping structure: placing the hollow cannula 2 into the bone hole 10 slowly (now the striping filament 8 is hidden in/under the striping edge 1), and operating the elastic filament 4 or the stop plug 7 to allow the striping filament 8 extend downward and forward along the striping edge 1. Then, rotating the hollow cannula 2 or the holding end 3 horizontally and drive the striping filament 8 to rotate with the hole midpoint as a center, which may strip away mucous around the hole in a large range.

Embodiment 4

[0059] Striping away the maxillary sinus floor mucous with the secondary striping structure: placing the hollow cannula 2 into the bone hole 10 slowly (now the striping filament 8 is hidden in/under the striping edge 1), and operating the elastic filament 4 or the stop plug 7 to allow the striping filament 8 extend downward and forward along the striping edge 1. In a condition that there is a steep rising bone wall away from the hole, since the striping edge 1 restricts the striping filament 8 to only extend forward and downward and block the striping filament 8 from extending further forward, it is now possible to secure the hollow cannula 2 or the holding end 3 and rotate the elastic filament 4 or the stop plug 7 such that the striping filament 8 reverses with the striping edge 1 as the center and in turn strip away the maxillary sinus mucous 11 proximate to the steep rising and further crawl farther.

Embodiment 5

[0060] Striping away the maxillary sinus floor mucous with the secondary striping structure: placing the hollow cannula 2 into the bone hole 10 slowly (now the striping filament 8 is hidden in/under the striping edge 1), and operating the elastic filament 4 or the stop plug 7 to allow the striping filament 8 extend downward and forward along the striping edge 1. Secure the hollow cannula 2 and allow the two stop plugs 7 to keep different motions such that the striping filament 8 changes its shape for striping away mucous with striping filament 8 with different shapes. Alternatively, secure one end of the elastic filament 4 or the stop plug 7 and draw the other end of the elastic filament 4 or the stop plug 7 such that the striping filament 8 changes its shape for striping away mucous with striping filament 8 with different shapes.