CN213963714U

CN213963714U - Internal lifting device for maxillary sinus

Info

Publication number: CN213963714U
Application number: CN202022645058.5U
Authority: CN
Inventors: 崔云; 宋天喜; 仇志烨; 李良才; 何志敏; 胡艳丽; 朱金亮; 朱艳泽
Original assignee: Beijing Jing Jing Medical Instrument Co ltd
Current assignee: Beijing Jing Jing Medical Instrument Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-17
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a lifting mechanism in maxillary sinus, stop ring and cushion including operating handle, transition bar, threaded rod, action bars, first end, second, transition bar one end links firmly with operating handle one end, the transition bar other end links firmly with threaded rod one end, the threaded rod other end links firmly with action bars one end, first end stops ring and the equal threaded connection of second end stop ring on the threaded rod, wherein the second end stops the ring external diameter and is greater than action bars external diameter and the second end stops the ring and is located between first end stop ring and the action bars, the cushion cover is located between first end stop ring and the second end stop ring at the threaded rod, the utility model has the advantages of make the operation process simple and convenient, the security is high, effectual promotion maxillary sinus.

Description

Internal lifting device for maxillary sinus

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a hoist in maxillary sinus.

Background

After the upper jaw back tooth is lacked, the maxillary sinus gasifies, the alveolar ridge gradually absorbs, and the bone mass in the back dental area is seriously insufficient, so that the implant repair of the area is difficult to carry out. The maxillary sinus floor elevation proposed in 1977 became the main method for solving the bone deficiency in the maxillary posterior dental area.

The maxillary sinus floor lifting operation is that a reamer is used for preparing an implant pit at the crest of an alveolar ridge, simultaneously, surrounding alveolar bones are squeezed, the density of horizontal and vertical bone tissues of the implant pit is increased, when the maxillary sinus floor is close to 1mm, a lifter is used for upwards tapping an osteotome to flush maxillary sinus floor cortical bones, so that the maxillary sinus floor mucous membranes are upwards displaced, and then bone graft materials are implanted from the implant pit or directly screwed into an implant to lift the maxillary sinus mucous membranes, which is also called as an osteotome technology.

The closed maxillary sinus floor lifting operation belongs to a minimally invasive planting operation, overcomes the defects of large wound, time consumption, high cost and the like of a maxillary sinus windowing lifting operation, and is widely applied clinically at present. But current lifter operating rod portion position control is unstable in the maxillary sinus, and medical personnel easily cause the erroneous judgement to the degree of depth of knocking when knocking, is unfavorable for subsequent implantation work and patient's recovery.

Therefore, in view of the above disadvantages, it is desirable to provide an maxillary sinus elevator.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to solve the unstable problem of raiser action bars adjusting position in the current maxillary sinus.

(II) technical scheme

In order to solve the technical problem, the utility model provides a lifting mechanism in maxillary sinus, including operating handle, the transition bar, the threaded rod, the action bars, first end stops the ring, the second ends and stops ring and cushion, transition bar one end links firmly with operating handle one end, the transition bar other end links firmly with threaded rod one end, the threaded rod other end links firmly with action bars one end, first end stops ring and the equal threaded connection of second end stop ring on the threaded rod, wherein the second end stops the ring external diameter and is greater than the action bars external diameter and the second ends the ring and is located first end and stops between ring and the action bars, the cushion cover is located first end and stops between ring and the second end stop ring at the threaded rod.

As to the utility model discloses a further explanation, preferably, first end is stopped the ring and is included ring handle and crown plate, and the ring handle links firmly in crown plate one side, and the ring handle is cylindric and the external diameter is less than the crown plate, and the crown plate is stopped ring interference fit so that cushion and second end with the cushion butt.

As a further explanation of the present invention, it is preferable that the ring handle is externally provided with a convex pattern, and the cross section of the convex pattern is triangular.

As to the utility model discloses a further explanation, preferably, the second only stops the ring and is close to and pegs graft on the action bars side and have the silica gel cover, and the silica gel cover is close to action bars side and is the arc surface.

As a further explanation of the present invention, preferably, the transition rod is a bending round rod, and the maximum bending angle of the transition rod is 120 °.

As a further explanation of the present invention, preferably, the operating rod is provided with a plurality of scale marks at intervals, the closest distance between the scale marks and the end of the operating rod is 8mm, and the length of the operating rod is 18 mm.

As a further explanation of the present invention, it is preferable that the end head of the operation rod is hemispherical.

As a further explanation of the present invention, preferably, the operating handle is externally provided with palm prints through a wire drawing.

(III) advantageous effects

The above technical scheme of the utility model has following advantage:

the utility model improves the pressure between the stop ring and the thread on the threaded rod by arranging two stop rings and matching with the reaction force when extruding the rubber mat, thereby improving the friction force, so that the stop rings are stable and are not easy to be affected by vibration impact and loose; the axial direction between the operating rod and the operating handle is in an N shape, the corner angle is 120 degrees, and the moving space of the operating rod is increased; scales are carved at the 8-18mm position of the operating rod at intervals of 2mm, and different heights can be positioned according to the depth of the alveolar socket by matching with the stop ring, so that the operation process is safer.

Drawings

FIG. 1 is a general assembly effect diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a partial sectional view of the present invention.

In the figure: 1. an operating handle; 2. a transition rod; 3. a threaded rod; 4. an operating lever; 41. scale lines; 5. a first stop ring; 51. a ring handle; 52. a ring plate; 53. a relief pattern; 6. a second stop ring; 61. a silica gel sleeve; 7. a rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a promote ware in maxillary sinus, combines figure 1, figure 2, including operating handle 1, transition bar 2, threaded rod 3, action bars 4, first stop ring 5, second stop ring 6 and

cushion

7, 2 one ends of transition bar link firmly with 1 one end of operating handle, 2 other ends of transition bar link firmly with 3 one end of threaded rod, 3 other ends of threaded rod link firmly with 4 one end of action bars, first stop ring 5 and second stop ring 6 equal threaded connection on threaded rod 3, cushion 7 covers and is located first stop ring 5 and second stop between ring 6 at threaded rod 3. One set of raisers is generally provided with 5 raisers, the outer diameter of the operating rod 4 on each raiser 5 is different, preferably phi 2.5, phi 3.0, phi 3.5, phi 4.0 and phi 4.5, after the planting nest is prepared, the operating rod can be sequentially knocked into the planting nest from small to large according to the diameter of the foremost end of the operating rod 4, the operating rod is gradually lifted, and the mucosa of the maxillary sinus is not easy to break.

Combine fig. 1, fig. 2, operating handle 1 is steel solid of revolution structure, and palm line has been seted up through the wire drawing processing to operating handle 1 surface, when carrying out the operation, the doctor grips the in-process and can increase frictional force, makes difficult slippage of lifting mechanism and skew, and it is more convenient to operate. The operating handle 1 can also be marked with instrument models, so that clinicians can rapidly distinguish different models according to the operation requirements.

Combine figure 1, fig. 2, transition pole 2 is type N round bar of buckling, the 2 biggest angle of buckling of transition pole is 120, 2 length of transition pole are 17.32mm, through designing transition pole 2 into the bending form, the activity space of action bars has been increased, can easily reach the position of second molar, effectively avoid contacting with patient's lip and tooth, when knocking simultaneously, the atress direction also can evenly lead to action bars 4 departments, guarantee that action bars 4 can stably upwards shift with maxillary sinus floor mucous membrane.

With reference to fig. 1 and 2, the threaded rod 3 is a straight rod with threads on the outer wall surface, and the thread pitch of the threads outside the threaded rod 3 is smaller than 2mm, so as to control the extension length of the operating rod 4 more accurately. The operating rod 4 is a cylindrical rod, the length of the operating rod 4 is 18mm, scale marks 41 are arranged at 8-18mm positions of the operating rod at intervals of 2mm, and different heights can be positioned according to the depth of the alveolar socket by matching with the two stop rings, so that the operation process is safer; the end head of the operating rod 4 is hemispherical, and the operating rod can contact with teeth and gums around the alveolar socket in a rounded manner, so that the teeth and the gums around the alveolar socket can be prevented from being scratched.

With reference to fig. 2 and 3, the first stop ring 5 includes a ring handle 51 and a ring plate 52, the ring handle 51 is cylindrical, the ring plate 51 is circular truncated cone, the outer diameter of the ring handle 51 is smaller than that of the ring plate 52, a plurality of ribs 53 are arranged outside the ring handle 51 at intervals, the cross section of each rib 53 is triangular, and the ring handle 51 can be conveniently rotated by increasing friction; the ring handle 51 is fixedly connected to the side of the ring plate 52 with the smaller outer diameter, and the side of the ring plate 52 with the larger outer diameter is abutted with the rubber pad 7. The second stop ring 6 is disk-shaped, and the outer diameter of the second stop ring 6 is larger than the outer diameter of the operation rod 4 and the outer diameter of the ring plate 52. The second stop ring 6 is positioned between the first stop ring 5 and the operating rod 4, the ring plate 52 and the second stop ring 6 can be abutted against the rubber mat 7 by rotating the ring handle 51 and the second stop ring 6, the rubber mat 7 is in interference fit with the second stop ring 6, and the rubber mat 7 is a silica gel ring; at the moment, the first stop ring 5 and the second stop ring 6 extrude the rubber pad 7 to enable the rubber pad 7 to generate elastic deformation, after the rotation is stopped, the reaction force on the rubber pad 7 reversely pushes the first stop ring 5 and the second stop ring 6 along the axis direction of the threaded rod 3, the pressure between the stop ring and the upper threads of the threaded rod 3 is improved, the friction force is further improved, and the position of the stop ring is stable and is not easy to be impacted by vibration, so that the problem of loosening is solved. A silica gel sleeve 61 is inserted on one side surface of the second stop ring 6 close to the operating rod 4, and one side surface of the silica gel sleeve 61 close to the operating rod 4 is an arc surface, so that the dental crown of the patient is prevented from being damaged due to the contact of the second stop ring 6 and the teeth.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a riser in maxillary sinus which characterized in that: including operating handle (1), transition pole (2), threaded rod (3), action bars (4), first stop ring (5), second stop ring (6) and cushion (7), transition pole (2) one end links firmly with operating handle (1) one end, the transition pole (2) other end links firmly with threaded rod (3) one end, the threaded rod (3) other end links firmly with action bars (4) one end, first stop ring (5) and the equal threaded connection of second stop ring (6) are on threaded rod (3), wherein second stop ring (6) external diameter is greater than action bars (4) external diameter and second stop ring (6) and are located between first stop ring (5) and action bars (4), cushion (7) cover is located between first stop ring (5) and second stop ring (6) in threaded rod (3).

2. The maxillary sinus elevator of claim 1 wherein: the first stop ring (5) comprises a ring handle (51) and a ring plate (52), the ring handle (51) is fixedly connected to one side of the ring plate (52), the ring handle (51) is cylindrical, the outer diameter of the ring handle is smaller than that of the ring plate (52), and the ring plate (52) is abutted to the rubber pad (7) so that the rubber pad (7) and the second stop ring (6) are in interference fit.

3. A maxillary sinus elevator according to claim 2 wherein: the ring handle (51) is externally provided with a convex pattern (53), and the section of the convex pattern (53) is triangular.

4. The maxillary sinus elevator of claim 1 wherein: a silica gel sleeve (61) is inserted on one side surface of the second stop ring (6) close to the operating rod (4), and one side surface of the silica gel sleeve (61) close to the operating rod (4) is an arc surface.

5. The maxillary sinus elevator of claim 1 wherein: the transition rod (2) is a bending round rod, and the maximum bending angle of the transition rod (2) is 120 degrees.

6. The maxillary sinus elevator of claim 1 wherein: a plurality of scale marks (41) are arranged on the operating rod (4) at intervals, the shortest distance between the scale marks (41) and the end part of the operating rod (4) is 8mm, and the length of the operating rod (4) is 18 mm.

7. The maxillary sinus elevator of claim 6 wherein: the end head of the operating rod (4) is hemispherical.

8. The maxillary sinus elevator of claim 1 wherein: the operating handle (1) is externally provided with palm prints through wire drawing.