CN2560309Y

CN2560309Y - Electric rotary file for jaw operation

Info

Publication number: CN2560309Y
Application number: CN 02272759
Authority: CN
Inventors: 梁雄; 梁巍
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-22
Filing date: 2002-08-22
Publication date: 2003-07-16
Anticipated expiration: 2012-08-22

Abstract

An electric rotary file for maxillofacial bone surgery includes an outer shell (1), a front buckle sleeve (2), a back buckle sleeve (3), a main shaft (4), a file (5) and a file protective sleeve (6), wherein, the main shaft (4) is arranged in the outer shell (1) by a bearing, the tail part of the outer shell (1) is connected with the back buckle sleeve (3), the front end of the outer shell (1) is connected with the front buckle sleeve (2), the front end of the main shaft (4) is extended outward from the front buckle sleeve (2) and is equipped with the file (5), the file (5) is positioned in the file protective sleeve (6), the tail part of the knife protective sleeve (6) is connected with the top part of the front buckle sleeve (2), a blade (7) is arranged on the file protective sleeve (6), and the shape of the blade (7) is matched with the shape of a knife head (8) of the file (5). The utility model has simple structure, and can allow the maxillofacial bone surgery to be simple and easy; by adopting the utility model, the requirements of the skills, experience and physical strength of doctors during the maxillofacial bone surgery are not strict; the size of the utility model is small, the weight is light, the usage is very convenient, and the utility model can shorten the surgical time and have better surgical effects.

Description

The maxillofacial bone electronic rotary file of performing the operation

1, technical field:

This utility model relates to a kind of maxillofacial bone electrical surgical instrument of medical use, relates in particular to the maxillofacial bone electronic rotary file of performing the operation.

2, background technology:

At present, the maxillofacial bone electrical surgical instrument of medical use on the market, range of application is comparatively extensive, is mainly used in the clinical surgery operation operations such as cutting to osseous tissue, engraving, grinding, osteotomy.Decorative sursery, as above mandibulectomy: angle of mandible garden arc osteotomy; The mandibular protraction surgery is put in order abnormal sagittal osteotomy; The maxillary protrusion surgery is put in order abnormal art; The remporomandibular joint excision; The too high attrition of cheekbone; Otorhinolaryngology surgery: as mastoid process tumorectomy, radical maxillary sinusotomy or the like; Ophthalmology: as socket of the eye bone cosmetology; Lacrimal passage plastic surgery; Orbital fracture fixation etc.Surgical instrument plays important effect for whole surgery, suitable operating theater instruments can make operation become easily simple, at present, be used for the file of maxillofacial bone operation, simple in structure, on-electric, technology, experience and physical fitness requirement to the doctor during use are higher, and unreasonable structure uses inconvenience, cause time of performing the operation longer, and effect is not so good.

3, summary of the invention:

The purpose of this utility model provides the maxillofacial bone electronic rotary file of performing the operation, it is by making into electronic to traditional manual file, and file and the shape and the structure of protecting broach shell done further improvement, the shape of the edge of a knife that protects broach shell is matched with the shape of file cutter head, make the volume of entire product less, weight saving, rational in infrastructure, leicht fallen D/A, easy to use, reliable operation, the technology, experience and the muscle power that shorten the time of operation greatly and reduce the doctor rely on, and make operation become simple, and surgical effect is better.

This utility model is achieved by the following technical solution: it comprises shell, preceding retaining ring, back retaining ring, main shaft, file and protects broach shell, wherein main shaft is installed in housings by bearing, the afterbody of shell is connected with the back retaining ring, the front end of shell is connected with preceding retaining ring, the front end of main shaft retaining ring in the past stretches out and installs file, file is positioned at the inside of protecting broach shell, the afterbody that protects broach shell is connected the top of preceding retaining ring, protect and have the edge of a knife on the broach shell, the shape of the edge of a knife matches with the shape of the cutter head of file.

The cutter head of above-mentioned described file be shaped as umbrella shape the time, the surface sections of the edge of a knife is a tapered plane, cutter head protrudes tapered plane.

Being shaped as when cylindrical of the cutter head of above-mentioned described file, the edge of a knife is that surface sections is the plane, the plane is parallel with the axis of cutter head, the high out-of-plane of cutter head.

The cutter head of above-mentioned described file be shaped as two projection, umbilicate cylinder the time, the surface sections of the edge of a knife also is two projection, intermediate recess, and cutter head exceeds the surface of the edge of a knife.

The cutter head of above-mentioned described file be shaped as inverted cone the time, the surface sections of the edge of a knife is made up of two inclined-planes that intersect, cutter head exceeds the inclined-plane on the edge of a knife.

The cutter head of above-mentioned described file be shaped as flat dish type the time, the surface sections of the edge of a knife is made up of plane and inclined-plane, cutter head exceeds the plane on the edge of a knife.

This utility model compared with prior art has following advantage: simple in structure, make the maxillofacial bone operation become easily simple, less demanding behind use this utility model to technology, the experience of doctor when doing the maxillofacial bone operation, volume, weight are all less, very easy to use, can shorten time of operation greatly, and surgical effect is better, because this utility model is electronic, and is not high to doctor's physical fitness requirement when operating.

4, description of drawings:

Below in conjunction with accompanying drawing this utility model is done detailed explanation:

Fig. 1 is the sketch map of first kind of structure of the present utility model;

Fig. 2 is the structural front view of protecting broach shell among Fig. 1;

Fig. 3 is the upward view of Fig. 2;

Fig. 4 is the sketch map of second kind of structure of the present utility model;

Fig. 5 is the structural front view of protecting broach shell among Fig. 4;

Fig. 6 is the vertical view of Fig. 5;

Fig. 7 is the sketch map of the third structure of the present utility model;

Fig. 8 is the structural front view of protecting broach shell among Fig. 7;

Fig. 9 is Fig. 8 vertical view;

Figure 10 is the sketch map of the 4th kind of structure of the present utility model;

Figure 11 is the structural front view of protecting broach shell among Figure 10;

Figure 12 is the vertical view of Figure 11;

Figure 13 is the sketch map of the 5th kind of structure of the present utility model;

Figure 14 is the structural front view of protecting broach shell among Figure 13;

Figure 15 is the upward view of Figure 14;

5, the specific embodiment:

As Fig. 1～shown in Figure 15, this utility model comprises shell (1), preceding retaining ring (2), back retaining ring (3), main shaft (4), file (5) and protect broach shell (6), wherein main shaft (4) is installed in shell (1) the inside by bearing, the afterbody of shell (1) is connected with back retaining ring (3), the front end of shell (1) is connected with preceding retaining ring (2), the front end of main shaft (4) retaining ring (2) in the past stretches out and installs file (5), file (5) is positioned at the inside of protecting broach shell (6), the afterbody that protects broach shell (6) is connected the top of preceding retaining ring (2), protect and have the edge of a knife (7) on the broach shell (6), the shape of the edge of a knife (7) matches with the shape of the cutter head (8) of file (5).

As Fig. 1～shown in Figure 3, the cutter head (8) of file (5) be shaped as umbrella shape the time, the surface sections of the edge of a knife (7) is a tapered plane (9), cutter head (8) protrudes tapered plane (9).As Fig. 4～shown in Figure 6, the being shaped as when cylindrical of cutter head (8) of file (5), the edge of a knife (7) is that surface sections is plane (9), plane (9) are parallel with the axis of cutter head (8), the high out-of-plane of cutter head (8) (9).As Fig. 7～shown in Figure 9, the cutter head (8) of file (5) be shaped as two projection, umbilicate cylinder the time, the surface sections of the edge of a knife (7) also is two projection, intermediate recess, and cutter head (8) exceeds the surface of the edge of a knife (7).As Figure 10～shown in Figure 12, the cutter head (8) of file (5) be shaped as inverted cone the time, the surface sections of the edge of a knife (7) is made up of inclined-plane (10) and inclined-plane (11) of intersecting, cutter head (8) exceeds the inclined-plane (10) on the edge of a knife (7).As Figure 13～shown in Figure 15, the cutter head (8) of file (5) be shaped as flat dish type the time, the surface sections of the edge of a knife (7) is made up of plane (13) and inclined-plane (12), cutter head (8) exceeds the plane (13) on the edge of a knife (7).Be provided with flexible axle interface (15) at main shaft (4) afterbody.

Claims

1, the maxillofacial bone electronic rotary file of performing the operation, it is characterized in that it comprises shell (1), preceding retaining ring (2), back retaining ring (3), main shaft (4), file (5) and protect broach shell (6), wherein main shaft (4) is installed in shell (1) the inside by bearing, the afterbody of shell (1) is connected with back retaining ring (3), the front end of shell (1) is connected with preceding retaining ring (2), the front end of main shaft (4) retaining ring (2) in the past stretches out and installs file (5), file (5) is positioned at the inside of protecting broach shell (6), the afterbody that protects broach shell (6) is connected the top of preceding retaining ring (2), protect and have the edge of a knife (7) on the broach shell (6), the shape of the edge of a knife (7) matches with the shape of the cutter head (8) of file (5).

2, the maxillofacial bone according to claim 1 electronic rotary file of performing the operation, it is characterized in that file (5) cutter head (8) be shaped as umbrella shape the time, the surface sections of the edge of a knife (7) is a tapered plane (9), cutter head (8) protrudes tapered plane (9).

3, the maxillofacial bone according to claim 1 electronic rotary file of performing the operation, being shaped as when cylindrical of cutter head (8) that it is characterized in that file (5), the edge of a knife (7) is that surface sections is plane (9), and plane (9) are parallel with the axis of cutter head (8), the high out-of-plane of cutter head (8) (9).

4, the maxillofacial bone according to claim 1 electronic rotary file of performing the operation, it is characterized in that file (5) cutter head (8) be shaped as two projection, umbilicate cylinder the time, the table of the edge of a knife (7) and the cross section also is two projection, intermediate recess, and cutter head (8) exceeds the surface of the edge of a knife (7).

5, the maxillofacial bone according to claim 1 electronic rotary file of performing the operation, it is characterized in that file (5) cutter head (8) be shaped as inverted cone the time, the surface sections of the edge of a knife (7) is made up of inclined-plane (10) and inclined-plane (11) of intersecting, and cutter head (8) exceeds the inclined-plane (10) on the edge of a knife (7).

6, the maxillofacial bone according to claim 1 electronic rotary file of performing the operation, it is characterized in that file (5) cutter head (8) be shaped as disc the time, the surface sections of the edge of a knife (7) is made up of plane (13) and inclined-plane (12), and cutter head (8) exceeds the plane (13) on the edge of a knife (7).