CN212281302U

CN212281302U - Mouth corner drag hook

Info

Publication number: CN212281302U
Application number: CN202020449326.3U
Authority: CN
Inventors: 叶丹; 曾维佳; 宋婕; 陈少利; 周莉娜; 谢鸿容; 余幸; 李玥燕; 王肖; 陈瑶
Original assignee: Sichuan University
Current assignee: Sichuan University
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-01-05
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a lip retractor relates to oral medical instrument field, solves current lip retractor and when using, needs patient or other people to hold the retractor handle, uses inconvenient problem. The utility model adopts the technical proposal that: the lip angle retractor comprises a retractor body, wherein a lip groove is arranged at the front section of the retractor body, the cross section of the lip groove is in a groove shape, and the two sides of the groove are respectively provided with an inner side wing and an outer side wing; the rear section of the draw hook body is an inner fixing section, the inner fixing section comprises an upward warping part, a downward warping part and a connecting part for connecting the upward warping part and the downward warping part, and the connecting part is connected with the inner side wing; the upper warping part, the lower warping part and the lip groove are made of soft materials. The mouth angle drag hook is used for the just abnormal photograph of oral cavity, has current normal position drag hook and side position drag hook's whole effect, and the whole change that need not carry out normal position drag hook and side position drag hook of just abnormal photograph of oral cavity can save photographic operation time and physical power, also need not hold the drag hook, has reduced the patient and has shot the time, has improved the experience of seeking medical advice.

Description

Mouth corner drag hook

Technical Field

The utility model relates to the field of medical equipment, in particular to a lip retractor in oral medicine.

Background

When taking pictures in the oral cavity, the oral angle draw hook can be used inevitably, and the existing oral angle draw hook is divided into a positive draw hook and a lateral draw hook and is provided with handles. For example, patent publication No. CN 207613753U discloses a hook for a mouth corner, which is divided into a positive hook and a lateral hook. Wherein, the normal position drag hook includes the drag hook handle, and the one end of drag hook handle is for holding the end, holds the end and sets up indicating line and slipmat, and the other end of drag hook handle sets up the lip groove, is provided with medial flank and outside wing on the lip groove, and the lip groove is arc recess form and is asymmetric structure, and a terminal of lip groove is the overhang, and the distance of overhang to drag hook handle and lip groove junction is greater than the distance of the other end to drag hook handle and lip groove junction. The side position drag hook comprises a drag hook handle, one end of the drag hook handle is a holding end, the holding end is provided with an indicating line and an anti-slip pad, the other end of the drag hook handle is provided with a lip groove, the lip groove is provided with an inner side wing and an outer side wing, the lip groove is in an arc groove shape, the outer side wing is connected with the drag hook handle, and the inner side wing is connected with the cheek stop structure; the tail end of the cheek stop structure is far away from the draw hook handle, and an included angle of 15-25 degrees is formed between the plane of the cheek stop structure and the plane of the draw hook handle.

The whole set of orthodontic photography generally needs six photos, namely, a patient or other people holds two righting drag hooks to pull open the mouth angles on the left side and the right side to shoot an upper and lower jaw righting combined photo, an upper jaw dentition photo and a lower jaw dentition photo respectively; then a patient or other people holds one righting drag hook to pull open a side mouth corner, one hand holds the side drag hook to pull open the mouth corner, and the other hand holds a camera to shoot left and right side occlusal pictures of the oral cavity, such as two occlusal pictures, 90-degree occlusal pictures and the like. In the process of using the mouth angle drag hook to carry out orthodontic shooting, the following defects exist: first, need change positive drag hook and side position drag hook repeatedly during shooting, still need patient or other people's cooperation, the shooting process is comparatively loaded down with trivial details. When a patient is matched with shooting, a doctor is required to repeatedly guide the patient to perform the operation of pulling the mouth angle, the patient often cannot accurately hold the pull hook handle, so that mouth angle pulling is difficult or the hand enters a shooting picture, and the shooting time is prolonged. In addition, when a doctor holds the righting drag hook for shooting, the doctor can only operate the righting drag hook by one hand, the shooting time is long, and the physical consumption is large. Second, when using current oral angle drag hook to assist and shoot the orthodontic photography of oral cavity, because the two ends of lip groove open the angle and are fixed, lip groove itself is narrower, has the unreasonable reason of structure between lip groove inner wing and the outer wing promptly, when using side position drag hook to assist and shoot the orthodontic photography of oral cavity, the lip soft tissue is easily piled up and shelters from the back dental zone, can not expose the dentition interlock state completely. Third, the cheek rest structure of the existing lateral retractor points to the distal direction of the upper and lower dentitions, and for a patient with a large cheek, such as an obese patient, the cheek rest structure cannot separate the cheek from the gum, thereby affecting the photographing of the posterior dental area. In conclusion, the conventional mouth corner retractor is inconvenient to use, and the photographing quality and efficiency are affected when the mouth corner retractor is used for assisting photographing of an image in the mouth.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lip angle drag hook, which solves the problem that the existing lip angle drag hook needs a patient or other people to hold a drag hook handle and is inconvenient to use when in use.

The utility model provides a technical scheme that its technical problem adopted is: the lip angle retractor comprises a retractor body, wherein a lip groove is arranged at the front section of the retractor body, the cross section of the lip groove is in a groove shape, and the two sides of the groove are respectively provided with an inner side wing and an outer side wing; the rear section of the draw hook body is an inner fixing section, the inner fixing section comprises an upward warping part, a downward warping part and a connecting part for connecting the upward warping part and the downward warping part, and the connecting part is connected with the inner side wing; the upper warping part, the lower warping part and the lip groove are made of soft materials.

Further, the method comprises the following steps: the top and the bottom of the inner side wing are respectively provided with a cheek stop structure.

Specifically, the method comprises the following steps: the cheek block structure is crescent or T-shaped.

Further, the method comprises the following steps: the lip groove is U-shaped or arc-shaped as a whole.

Specifically, the method comprises the following steps: the hook body is silica gel or soft plastics material, and the edge of upwarping portion and downwarping portion is the arc.

Further, the method comprises the following steps: the both ends in lip groove are lip groove top and lip groove bottom respectively, and lip groove top is the upwarp protrudingly form, and connecting portion department sets up line fixed knot and constructs, sets up the control line of at least one adjustment lip groove top and the lip groove bottom angle of opening between lip groove top, line fixed knot construct and the lip groove bottom.

Further, the method comprises the following steps: the top on lip groove top and the bottom of lip groove bottom set up 2 ~ 5 regulation lines respectively.

Further, the method comprises the following steps: one end of the adjusting line is fixed on the lip groove, the adjusting line penetrates through the line fixing structure and then is connected with the other end of the lip groove, and the adjusting line is located in the lip groove.

Further, the method comprises the following steps: the distance from the top end of the lip groove to the middle connecting part is greater than the distance from the bottom end of the lip groove to the connecting part.

Specifically, the method comprises the following steps: the included angle that forms between lip groove top, line fixed knot structure and the lip groove bottom is 45 ~ 90.

The utility model has the advantages that: the rear section of the mouth corner drag hook is an inner fixing section, when the mouth corner drag hook is used, the inner fixing section and the inner side wing of the drag hook body are all placed in the oral cavity, and the upward warping part and the downward warping part of the inner fixing section can be clamped at the tail end cheeks of the upper dentition and the lower dentition to play a role in fixing and supporting; simultaneously, the inside wing and the outside wing of labial sulcus are pasted in the oral cavity lip, play and are contained the lip soft tissue, avoid accumulational effect to expose whole dentition condition, be convenient for carry on the oral cavity orthotopic and close like a photograph, left and right sides side position and close like a photograph, 90 bite like a photograph, upper jaw position dentition is shone and lower jaw position dentition is shone.

The utility model discloses a mouth angle drag hook has following advantage: first, can realize having present normal position drag hook and side position drag hook's whole functions, the whole change that need not carry out normal position drag hook and side position drag hook of orthodontic photography in the oral cavity can practice thrift the shooting time, improves the experience of seeking medical advice. Second, angle of mouth drag hook does not have the handle, and in the use, the last portion of warping up and the terminal buccal side of lower dentition are blocked respectively through angle of mouth drag hook back end and are realized fixing, not only avoid the interference of hand etc. to shooing, but also avoid doctor and patient's tractive angle of mouth drag hook to shoot. Thirdly, because the other parts of the draw hook body except the outer side wing are all positioned in the oral cavity, the shielding of the draw hook body to the shooting is avoided to the greatest extent, the exposure requirement of the shot picture to dentition is ensured, and the shooting quality is ensured.

The top and the bottom of the inner side wing are respectively provided with a cheek retaining structure which has the function of assisting the inner fixing hook body. The cheek keeps off the structure and is crescent, can the complete laminating buccal side gum of large tracts of land, has the supporting role, is favorable to wholly exposing anterior teeth district and the occlusion condition of back tooth district dentition. The hook body is made of silica gel or soft plastic, so that the hook body is more comfortable when contacting with mucous membrane of a patient, and pressure injury or strain injury is avoided.

The adjusting line is connected between the lip groove top end and the lip groove bottom end of the lip groove, the opening degree of the lip groove can be conveniently adjusted through the adjusting line, and the exposure requirements of different parts for dentition during shooting are met.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the lip hook of the present invention.

Reference numerals: the nose cup comprises a lip groove 1, an inner side wing 2, an outer side wing 3, an upwarping part 4, an upwarping part 5, a cheek blocking structure 6, a lip groove top end 7, a lip groove bottom end 8, a line fixing structure 9 and an adjusting line 10.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in figure 1, the utility model discloses a lip angle drag hook, including the hook body, the anterior segment of hook body sets up lip groove 1, and the transversal flute profile that personally submits of lip groove 1, and the both sides of recess are interior side wing 2 and outside wing 3 respectively. The back end of the hook body is an inner fixing section, the inner fixing section comprises an upward warping portion 4, a downward warping portion 5 and a connecting portion for connecting the upward warping portion 4 and the downward warping portion 5, and the connecting portion is connected with the inner side wing 2. The inner fixing section is used for being clamped on the buccal side of the tail ends of the upper dentition and the lower dentition to realize inner fixing, and in order to avoid injuring contacted soft tissues, the upwarping part 4 and the downwarping part 5 are smooth in appearance, for example, arc-shaped respectively. The internal fixation section is provided with an upward warping part 4 and a downward warping part 5, so that the contact area of the hook body and the mucous membrane is increased, and the opening area of the mouth corner is enlarged. The upturned portion 4, the downturned portion 5 and the lip groove 1 are all made of soft materials, such as silica gel. The drag hook body is preferably an integral body, and the drag hook body is made of silica gel or soft plastic materials.

The two ends of the lip groove 1 are respectively marked as a lip groove top end 7 and a lip groove bottom end 8, the lip groove 1 is integrally U-shaped or arc-shaped, namely the integral shapes of the lip groove top end 7, the lip groove middle part and the lip groove bottom end 8 are U-shaped or arc-shaped. Lip groove top 7 is upwarping protrudingly form, lip groove top 7 to middle connecting portion, and the distance at lip groove middle part is greater than the distance of lip groove bottom 8 to connecting portion promptly, lip groove top 7 and 8 non-axisymmetrics in lip groove bottom, with human oral cavity tooth structure adaptation.

In order to adjust the opening angle of lip groove 1, that is to say in order to adjust the contained angle in the relative lip groove middle part of lip groove top 7 and lip groove bottom 8, lip groove middle part sets up line fixed knot and constructs 9, sets up the regulation line 10 of the angle is opened to at least one lip groove top 7 and the lip groove bottom 8 of adjusting lip groove 1 between lip groove top 7, line fixed knot construct 9 and the lip groove bottom 8. The adjusting line 10 is at least one, for example, 2-5 adjusting lines 10 are respectively arranged at the top of the lip groove top end 7 and the bottom of the lip groove bottom end 8.

The one end of adjusting line 10 is fixed in lip groove 1, avoids droing, adjusts line 10 and can fix in lip groove top 7 or lip groove bottom 8, specifically can set up the aperture in the junction, adjusts line 10 and connects in the aperture. The adjusting line 10 passes through the line fixing structure 9 and then is connected with the other end of the lip groove 1, and the adjusting line is positioned in the lip groove 1. The line fixing structure 9 can be a hook, a hole or an annular structure, as long as a supporting point can be formed on the adjusting line 1, and one or 2-3 line fixing structures 9 can be arranged. Under the natural state, adjust line 10 under lax state promptly, the contained angle of lip groove top 7 and the relative lip groove middle part of lip groove bottom 8 is the right angle, and through the elasticity of tractive adjustment line 10, the opening angle of adjustable lip groove 1, the contained angle that forms for example between lip groove top 7, line fixed knot construct 9 and the lip groove bottom 8 is 45 ~ 90. For example, there are two adjusting lines 10, the adjusting lines 10 are all fixedly connected to the lip groove top end 7, the lip groove bottom end 8 is provided with a connecting buckle, and the adjusting lines 10 are provided with a connecting ring. By directly connecting the connecting ring of any one of the adjusting lines 10 to the connecting buckle, the lip groove 1 can be maintained at a fixed and common angle, for example, at 45 ° and 60 °, respectively. When the lip angle retractor is used, the opening degree of the lip groove 1 is 90 degrees under natural conditions, when the orthostatic image in the mouth is shot, the adjusting line 10 is stretched and the corresponding position is fixed, so that the opening degree of the lip groove 1 is 60 degrees, and then the orthostatic image is shot. When shooting the inside occlusion image of the mouth, the stretching adjusting line 10 is fixed to the corresponding position, so that the opening degree of the lip groove 1 is 45 degrees, and then the side occlusion image shooting is carried out.

The top and bottom of the inner side flap 2 are provided with a cheek stop structure 6 respectively. The cheek stop structure 6 is crescent or T-shaped. The cheek stop structure 6 is arranged on the inner side wing 2 near the inner fixed section, and the cheek stop structure 6 is used for propping against the gum and playing a role of support so as to more completely expose the occlusion condition of the dentition of the anterior dental area and the posterior dental area. Especially when the opening angle between the labial trough top end 7 and the labial trough bottom end 8 is changed, the cheek stop structure 6 can separate the cheek from the gum, and the shooting of the posterior tooth area is prevented from being influenced.

Claims

1. The lip angle drag hook comprises a drag hook body, wherein a lip groove (1) is arranged at the front section of the drag hook body, the cross section of the lip groove (1) is in a groove shape, and an inner side wing (2) and an outer side wing (3) are respectively arranged at two sides of the groove; the method is characterized in that: the rear section of the draw hook body is an inner fixing section, the inner fixing section comprises an upward warping part (4), a downward warping part (5) and a connecting part for connecting the upward warping part (4) and the downward warping part (5), and the connecting part is connected with the inner side wing (2); the upwarp part (4), the downwarp part (5) and the lip groove (1) are made of soft materials.

2. The lip retractor according to claim 1, wherein: the top and the bottom of the inner side wing (2) are respectively provided with a cheek retaining structure (6).

3. The lip retractor according to claim 2, wherein: the cheek block structure (6) is crescent or T-shaped.

4. The lip retractor according to claim 1, wherein: the lip groove (1) is U-shaped or arc-shaped as a whole.

5. The lip retractor according to claim 1, wherein: the hook body is made of silica gel or soft plastic, and the edges of the upward warping part (4) and the downward warping part (5) are arc-shaped.

6. The lip retractor according to any one of claims 1 to 5, wherein: the both ends of lip groove (1) are lip groove top (7) and lip groove bottom (8) respectively, and lip groove top (7) are the upwarp outstanding form, and connecting portion department sets up line fixed knot structure (9), sets up at least one adjustment lip groove top (7) and lip groove bottom (8) between lip groove top (7), line fixed knot structure (9) and lip groove bottom (8) and open regulation line (10) of angle.

7. The lip retractor according to claim 6, wherein: the top of lip groove top (7) and the bottom of lip groove bottom (8) set up 2 ~ 5 regulation lines (10) respectively.

8. The lip retractor according to claim 6, wherein: one end of the adjusting line (10) is fixed on the lip groove (1), the adjusting line (10) penetrates through the line fixing structure (9) and then is connected with the other end of the lip groove (1), and the adjusting line (10) is located in the lip groove (1).

9. The lip retractor according to claim 6, wherein: the distance from the top end (7) of the lip groove to the middle connecting part is greater than the distance from the bottom end (8) of the lip groove to the connecting part.

10. The lip retractor according to claim 6, wherein: the included angle that forms between lip groove top (7), line fixed knot construct (9) and lip groove bottom (8) is 45 ~ 90.