CN210095943U - Gingival retraction device - Google Patents
Gingival retraction device Download PDFInfo
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- CN210095943U CN210095943U CN201920509963.2U CN201920509963U CN210095943U CN 210095943 U CN210095943 U CN 210095943U CN 201920509963 U CN201920509963 U CN 201920509963U CN 210095943 U CN210095943 U CN 210095943U
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- gingival retraction
- connecting rod
- retraction device
- free end
- fixing ring
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Abstract
The utility model provides a gingival retraction device, which comprises a gingival retraction sheet, wherein the gingival retraction sheet comprises a first side edge contacted with the gingiva and a second side edge which is far away from the gingiva and is connected with the first side edge along the circumferential direction of the gingival retraction sheet, and the edge shape of the first side edge is arc-shaped so as to be matched with the shape of the gingiva; the gingival retraction device further comprises a connecting rod and an occlusion pad, one end of the connecting rod is a free end, the other end of the connecting rod is fixedly connected with the occlusion pad, the connecting rod comprises a deformation fixing part, and the connecting rod can be bent, deformed and fixed through the deformation fixing part so as to adjust the position of the gingival retraction sheet relative to the occlusion pad; the gingival retraction device further comprises a lip hook and a fixing structure, one end of the lip hook is fixed on the upper side face of the gingival retraction sheet, the other end of the lip hook is a free end, the fixing structure comprises a fixing ring and an adjusting piece, the free end of the lip hook is inserted into the fixing ring, and the adjusting piece is adjusted to fix the free end of the lip hook in the fixing ring.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to gingival retraction device.
Background
Wedge-shaped defects are common diseases in the oral cavity, and the commonly used method for treatment is filling treatment. Wedge-shaped defects generally easily appear in the gingival aligning position or under the gingiva, and the gingiva is arranged through a gingival retraction line in the operation performed in clinic so as to conveniently treat the wedge-shaped defects.
The gum expelling device in the prior art can not clearly expose the defect position in the using process due to the structure of the gum expelling device, brings certain difficulty to clinical operation, and reduces the treatment efficiency and the treatment effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, convenient to use, excellent in use effect's row gum ware to solve the row gum ware that exists among the prior art and can't expose the defective department of tooth completely the problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a gingival retraction device comprises a gingival retraction sheet which is used for retracting a gingiva and is of a sheet structure, wherein the gingival retraction sheet comprises a first side edge which is contacted with the gingiva and a second side edge which is far away from the gingiva and is connected with the first side edge along the circumferential direction of the gingival retraction sheet, and the edge shape of the first side edge is arc-shaped so as to be matched with the shape of the gingiva;
the gingival retraction device further comprises a connecting rod and an occlusion pad, one end of the connecting rod is a free end, the other end of the connecting rod is fixedly connected with the occlusion pad, the connecting rod comprises a deformation fixing part, and the connecting rod can be bent, deformed and fixed through the deformation fixing part so as to adjust the position of the gingival retraction sheet relative to the occlusion pad;
the gingival retraction device further comprises a lip hook and a fixing structure, one end of the lip hook is fixed to the upper side face of the gingival retraction sheet, the other end of the lip hook is a free end, the fixing structure is fixedly arranged on the fixing ring on the connecting rod, the adjusting piece is arranged on the fixing ring, the free end of the lip hook is inserted into the fixing ring, and the adjusting piece is adjusted to fix the free end of the lip hook in the fixing ring.
Preferably, the connecting rod comprises at least two sections of mutually independent circular rod pieces, the deformation fixing part comprises a universal joint with damping, and any two adjacent sections of circular rod pieces are connected through the universal joint.
Preferably, the round rod piece comprises a plurality of telescopic rods which are coaxially sleeved, each telescopic rod is a hollow round rod, a clamping groove and a protrusion are respectively arranged between every two adjacent telescopic rods, and when the protrusion is clamped into the clamping groove, the adjacent telescopic rods are located at the extending positions.
Preferably, the gingival retraction device further comprises a saliva suction pipe, wherein a first end of the saliva suction pipe is connected with a suction device, and a second end of the saliva suction pipe is used for extending into the mouth of the patient so as to suck out saliva in the mouth of the patient;
the bite pad is a hollow structure and is provided with a first opening and a second opening, and the second end of the saliva suction pipe is inserted into the bite pad from the first opening and extends out of the bite pad from the second opening.
Preferably, the bite pad is made of silicone or rubber material.
Preferably, the bite pad is triangular, and the second opening is formed at one vertex of the triangle; alternatively, the first and second electrodes may be,
the occlusion pad is an isosceles trapezoid, and the second opening is formed in the position of the top edge of the isosceles trapezoid.
Preferably, the retainer plate is tubular structure, the regulating part is including setting up adjusting bolt on the retainer plate, the last screw hole that has seted up of tubular structure, adjusting bolt with the screw hole forms screw-thread fit, so that adjusting bolt follows the radial direction precession back-and-forth movement of retainer plate.
Preferably, the free end of the lip hook is inserted into the fixing ring, and the adjusting bolt is rotated to be screwed into the fixing ring so as to press the free end of the lip hook between the inner wall of the fixing ring and the adjusting bolt.
Preferably, the outside of the connecting rod is provided with a rubber layer.
Preferably, the gingival retraction flap is provided with size markings.
The utility model has the advantages that:
the utility model provides a gingival retraction device simple structure, regulation convenience can adjust the length and the angle of gingival retraction device as required, owing to be provided with the lip hook, can be convenient fix the gingival retraction piece to guarantee to use reliability and convenience.
Drawings
Fig. 1 shows a schematic structural view of a gingival retraction device provided by an embodiment of the present application.
Wherein the content of the first and second substances,
1. gingival retraction; 11. a first side edge; 12. a second side edge; 13. an upper side surface;
2. a connecting rod; 21. a deformation fixing part; 22-round bar members;
3. an occlusion pad;
4. a saliva sucking tube; 41. a first end; 42. a second end;
5. a lip hook;
6-week structure determination; 61. a stationary ring; 62. an adjusting member.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
The application provides a gingival retraction device, makes things convenient for dentist when the wedge defect to the disease is treated, arranges the gum of disease to the department that defect is handled.
As shown in fig. 1, the gingival retraction device in this application includes the gingival retraction sheet 1 that is the sheet structure that is used for opening the gum row, follows the circumferential direction of gingival retraction sheet 1, gingival retraction sheet 1 includes the first side 11 with the gum contact to and keep away from the gum and with the second side 12 that first side 11 links to each other, first side 11 and second side 12 enclose the edge of the circumferential direction of gingival retraction sheet jointly. Wherein, the marginal shape of first side 11 is the arc to with the shape phase-match of gum, provide the more comfortable experience of disease, simultaneously, because the shape of row gum piece 1 is the arc, arrange that gum piece 1 can be better when opening the gum and laminate with gum or tooth. Preferably, the gingival retraction sheet 1 is provided with size marks, such as 0.5mm, 1mm and the like, so that the operation is convenient for a doctor, and the operation accuracy and reliability are ensured. In a specific embodiment, the gingival retraction blade 1 has a thickness of about 0.3 microns and a width of about 2 to 3 millimeters, and the first side 11 has an edge length of about 5 millimeters and the second side 12 has an edge length of about 7 millimeters.
The gingival retraction device further comprises a connecting rod 2 and an occlusion pad 3, one end of the connecting rod 2 is a free end, and the other end of the connecting rod 2 is fixedly connected with the occlusion pad 3. The bite pad 3 is made of a silicone or rubber material. The tie rod 2 is preferably a stainless steel tube and the tie rod 22 is approximately 3mm in diameter. When the connecting rod 2 is fixed to the bite pad 3, in a specific embodiment, a connecting sleeve (not shown) may be disposed on the bite pad 3, the connecting rod 2 is inserted into the connecting sleeve, and an interference fit is formed between the connecting rod 2 and the connecting sleeve to fixedly connect the connecting rod 2 and the bite pad 3. The gingival retraction device further comprises a saliva suction tube 4, wherein a first end 41 of the saliva suction tube 4 is connected with a suction device (not shown in the figure), and a second end 42 of the saliva suction tube 4 is used for extending into the mouth of a patient so as to suck out saliva in the mouth of the patient. The bite pad 3 is of a hollow structure, and the hollow structure can reduce the overall weight of the bite pad 3 and can also provide a more comfortable bite feeling. The bite pad 3 has a first opening from which the second end 42 of the saliva suction tube 4 is inserted into the bite pad 3 and a second opening from which the bite pad 3 protrudes. In a preferred embodiment, the bite pad 3 is triangular, and the second opening is open at one apex of the triangle. In another preferred embodiment, the bite pad 3 is an isosceles trapezoid, and the second opening is opened at the top edge of the isosceles trapezoid. Therefore, when the patient bites the bite pad, the bite pad does not need to be plugged into the mouth too much, and the use comfort of the user is improved.
Wherein, the connecting rod 2 comprises a deformation fixing part 21, and the connecting rod 2 can be bent and deformed and fixed through the deformation fixing part 1 so as to adjust the relative position of the connecting rod 2 and adjust the position of the gingival retraction sheet 1 relative to the occlusion pad 3. In a specific embodiment, the connecting rod 2 comprises at least two independent circular rod pieces 22, the deformation fixing part 21 comprises a universal joint with damping, and any two adjacent circular rod pieces 22 are connected through the universal joint. Because the universal joint has the damping, consequently, must exert sufficient power and just can change original connected position to more convenient adjust the relative position between circular member 22, and when not having the exogenic action, universal joint is difficult to deform, connects the reliability height. Preferably, the outside of said connecting rod 2 is provided with a rubber layer (not shown in the figures) to avoid damage to the connecting rod.
Further, in a preferred embodiment, the round rod 22 comprises a plurality of lengths of telescopic rods coaxially sleeved, and the length of the round rod 22 is 1.5 cm or 2 cm, wherein the telescopic rods are hollow round rods, so as to reduce the weight of the gingival retraction device. A clamping groove and a protrusion are respectively arranged between the adjacent telescopic rods, and when the protrusion is clamped into the clamping groove, the adjacent telescopic rods are located at the extending positions. In the prior art, there are many appliances using the above structure, such as a support pole for an umbrella having a folding function.
Further, the gingival retraction device still includes lip hook 5 and fixed knot constructs 6, the one end of lip hook 5 is fixed the side 13 that goes up of gingival retraction piece 1, the other end of lip hook 5 is the free end, fixed knot constructs 6 including fixed the setting and is in retainer plate 61 on the connecting rod 2, and set up regulating part 62 on the retainer plate 61, the free end of lip hook 5 inserts in the retainer plate 61, and adjust regulating part 62 is in order to incite somebody to action the free end of lip hook 5 is fixed in the retainer plate 61. In a preferred embodiment, the fixing ring 61 is a cylindrical structure, the adjusting element 62 includes an adjusting bolt disposed on the fixing ring 61, the cylindrical structure is provided with a threaded hole, and the adjusting bolt forms a threaded fit with the threaded hole, so that the adjusting bolt is screwed in and out along a radial direction of the fixing ring 61. The free end of the lip hook 5 is inserted into the fixing ring 61, and the adjusting bolt is rotated to be screwed into the fixing ring 61, so that the free end of the lip hook 5 is pressed between the inner wall of the fixing ring 61 and the adjusting bolt.
When using the gingival retraction device in this application to treat the disease, at first, let the disease bite the interlock pad with the tooth, at the in-process of interlock pad, it stretches into the mouth of disease with the one end of inhaling the salivary duct to the position and the length of adjusting the inhaling salivary duct are in order to guarantee in time with the saliva suction, can also make the disease feel comfortable. Then the first side of the gingival retraction piece is abutted against the edge of the gum and the gum is retracted, so that the wedge-shaped notch is completely exposed, and the treatment on the wedge-shaped notch is facilitated. After the position of the gingival retraction plate is adjusted, the deformation fixing part of the connecting rod is further adjusted so as to facilitate the fixation of the lip hook. Then, the free end of the lip hook is inserted into the fixing ring, and the adjusting bolt is adjusted until the adjusting bolt presses the lip hook against the inner wall of the fixing ring.
The utility model provides a gingival retraction device simple structure, regulation convenience can adjust the length and the angle of gingival retraction device as required, owing to be provided with the lip hook, can be convenient fix the gingival retraction piece to guarantee to use reliability and convenience.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (10)
1. A gingival retraction device comprises a gingival retraction sheet in a sheet structure for retracting a gingiva, wherein the gingival retraction sheet comprises a first side contacting with the gingiva and a second side far away from the gingiva and connected with the first side along the circumferential direction of the gingival retraction sheet, and the edge shape of the first side is arc-shaped to match the shape of the gingiva;
the gingival retraction device further comprises a connecting rod and an occlusion pad, one end of the connecting rod is a free end, the other end of the connecting rod is fixedly connected with the occlusion pad, the connecting rod comprises a deformation fixing part, and the connecting rod can be bent, deformed and fixed through the deformation fixing part so as to adjust the position of the gingival retraction sheet relative to the occlusion pad;
the gingival retraction device further comprises a lip hook and a fixing structure, one end of the lip hook is fixed to the upper side face of the gingival retraction sheet, the other end of the lip hook is a free end, the fixing structure is fixedly arranged on the fixing ring on the connecting rod, the adjusting piece is arranged on the fixing ring, the free end of the lip hook is inserted into the fixing ring, and the adjusting piece is adjusted to fix the free end of the lip hook in the fixing ring.
2. The gingival retraction device of claim 1, wherein the connecting rod comprises at least two segments of mutually independent circular rod pieces, and the deformation fixing part comprises a universal joint with damping, and any two adjacent segments of circular rod pieces are connected through the universal joint.
3. The gingival retraction device of claim 2, wherein the round rod comprises a plurality of sections of telescopic rods coaxially sleeved, the telescopic rods are hollow round rods, a clamping groove and a protrusion are respectively arranged between adjacent telescopic rods, and when the protrusion is clamped into the clamping groove, the adjacent telescopic rods are in an extended position.
4. The gingival retraction device of claim 1, further comprising a saliva suction tube, a first end of the saliva suction tube being connected to a suction device, a second end of the saliva suction tube being adapted to extend into the mouth of the patient to draw saliva out of the mouth of the patient;
the bite pad is a hollow structure and is provided with a first opening and a second opening, and the second end of the saliva suction pipe is inserted into the bite pad from the first opening and extends out of the bite pad from the second opening.
5. The gingival retraction device of claim 4, wherein the bite pad is made of a silicone or rubber material.
6. The gingival retraction device of claim 4, wherein the bite pad is triangular, the second opening at one apex of the triangle; alternatively, the first and second electrodes may be,
the occlusion pad is an isosceles trapezoid, and the second opening is formed in the position of the top edge of the isosceles trapezoid.
7. The gingival retraction device of claim 1, wherein the fixing ring is a cylindrical structure, the adjusting member comprises an adjusting bolt arranged on the fixing ring, the cylindrical structure is provided with a threaded hole, and the adjusting bolt is in threaded fit with the threaded hole so as to be screwed in and out along a radial direction of the fixing ring.
8. The gingival retraction device of claim 7, wherein the free end of the lip hook is inserted into the retainer ring and the adjustment bolt is rotated into the retainer ring to compress the free end of the lip hook between the inner wall of the retainer ring and the adjustment bolt.
9. The gingival retraction device according to any one of claims 1 to 8, wherein the outer part of the connection rod is provided with a rubber layer.
10. The gingival retraction device of any one of claims 1 to 8, wherein dimensional markings are provided on the gingival retraction flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920509963.2U CN210095943U (en) | 2019-04-08 | 2019-04-08 | Gingival retraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920509963.2U CN210095943U (en) | 2019-04-08 | 2019-04-08 | Gingival retraction device |
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| Publication Number | Publication Date |
|---|---|
| CN210095943U true CN210095943U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920509963.2U Active CN210095943U (en) | 2019-04-08 | 2019-04-08 | Gingival retraction device |
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| Country | Link |
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| CN (1) | CN210095943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281580A (en) * | 2020-03-06 | 2020-06-16 | 首都医科大学附属北京口腔医院 | Gingival retraction device with variable gingival retraction angle |
-
2019
- 2019-04-08 CN CN201920509963.2U patent/CN210095943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281580A (en) * | 2020-03-06 | 2020-06-16 | 首都医科大学附属北京口腔医院 | Gingival retraction device with variable gingival retraction angle |
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