CN217338944U - Department of stomatology uses oral cavity distraction device - Google Patents

Abstract

The utility model discloses a department of stomatology struts device with oral cavity, concretely relates to medical instrument technical field, including last distraction plate and lower distraction plate, first screw and second screw have been seted up respectively to the inside of going up distraction plate and lower distraction plate, first screw is threaded connection with first screw rod and second screw rod respectively with the inside of second screw, just first screw rod is opposite with the direction of rotation of second screw rod surface screw thread, the bottom of first screw rod and the top fixed connection of second screw rod, the bottom fixedly connected with dwang of second screw rod, just the bottom of dwang is provided with fixed handle, the top fixed mounting of fixed handle has spacing slide bar. The utility model discloses a control first knob or second knob and rotate, drive first screw rod and second screw rod surface threaded connection's last distraction board and lower distraction board and be close to each other or keep away from for last distraction board and lower distraction board can strut the operation with patient's oral cavity.

Description

Department of stomatology uses oral cavity distraction device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, the utility model relates to a department of stomatology uses oral cavity distraction device.

Background

The department of stomatology is one of the medical discipline categories. Periodontal disease is cured by a technique; the stomatology is mainly developed: orthodontic treatment, cold light whitening, cosmetic repair and fine finishing to manufacture various porcelain teeth, and can be used for partially removing false teeth, rubber dentures, steel dentures, titanium alloy steel dentures and various precise accessories, namely immediate false teeth and complete false teeth. Simultaneously, the prevention and treatment of dental pulp diseases, periodontal diseases, periapical diseases, root canal therapy, and dental diseases of children are carried out. Auxiliary instruments such as oral distractors are often used to assist in treating the oral cavity.

However, in actual use, since the common oral cavity distracting device needs to be controlled by medical staff, excessive operation reduces the efficiency of treatment, and the common oral cavity distracting device is easy to cause discomfort to patients, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the present invention provides an oral cavity distraction device for department of stomatology to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oral cavity distraction device for department of stomatology, includes distraction plate and lower distraction plate, first screw and second screw have been seted up respectively to the inside of going up distraction plate and lower distraction plate, the inside difference threaded connection of first screw and second screw has first screw rod and second screw rod, just first screw rod is opposite with the direction of rotation of second screw rod surface screw thread, the bottom of first screw rod and the top fixed connection of second screw rod, the bottom fixedly connected with dwang of second screw rod, just the bottom of dwang is provided with fixed handle, be provided with stop gear between dwang and the fixed handle, the top fixed mounting of fixed handle has spacing slide bar, go up the distraction plate and all seted up spacing spout with the inside of lower distraction plate, spacing slide bar wears to locate the inside of spacing spout.

Make the dwang only at the appointed regional internal rotation of fixed handle in order to utilize spacing dish to avoid rotating and take place the skew, stop gear is including seting up the spacing circular slot at fixed handle top, the inside of locating spacing circular slot is worn to the bottom of dwang, the bottom fixed mounting of dwang has the spacing dish at spacing circular slot internal rotation.

In order to facilitate medical personnel and patients to control the device, the fixed surface of dwang has first knob, the top fixed mounting of first screw rod has the second knob.

In order to avoid the stimulation caused when the upper distraction plate and the lower distraction plate enter the oral cavity of a patient, the shapes of one side of the upper distraction plate and the lower distraction plate far away from the limiting sliding groove and the two ends of the upper distraction plate and the lower distraction plate are all set into a round angle shape.

In order to protect the inner wall of the oral cavity of the patient by utilizing the characteristic of high softness of the silica gel, the surface of the upper opening plate and the lower opening plate, which is far away from the limiting sliding groove, is sleeved with a protective silica gel sleeve.

In order to provide a measure for fixing teeth when the teeth of a patient are contacted with the upper distraction plate and the lower distraction plate, a plurality of falling tooth clamping strips distributed in a # -shape are fixedly connected to the upper surface of the upper distraction plate and the lower surface of the lower distraction plate.

In order to increase the friction force when the fixed handle, the first knob and the second knob are controlled, anti-skidding grooves are formed in the surfaces of the fixed handle, the first knob and the second knob.

The utility model discloses a technological effect and advantage:

1. compared with the prior art, by arranging the first screw rod and the second screw rod, the rotating directions of the surface threads of the first screw rod and the second screw rod are opposite, and the rotating rod, the first screw rod, the second screw rod, the first knob and the second knob are connected into a whole, so that the upper opening plate and the lower opening plate which are in threaded connection with the surfaces of the first screw rod and the second screw rod can be driven to be close to or far away from each other by controlling the first knob or the second knob to rotate, and the upper opening plate and the lower opening plate can open the oral cavity of a patient; through setting up spacing slide bar, can restrict and only slide on spacing slide bar with lower distraction board on the upper distraction board, consequently avoid upper distraction board and lower distraction board to go up and down to receive first screw rod and second screw rod pivoted influence to take place the skew.

2. Compared with the prior art, the limiting disc and the limiting circular groove are arranged, the limiting disc is utilized to enable the rotating rod to rotate only in the area appointed by the fixed handle, and the rotating rod is prevented from rotating to deviate; the upper and lower expansion plates are prevented from causing stimulation when entering the oral cavity of a patient by arranging the shapes of the upper and lower expansion plates; the inner wall of the oral cavity of a patient is protected by utilizing the characteristic of high softness of silica gel; a tooth-falling clamping strip is used for providing a measure for fixing teeth when the teeth of a patient are contacted with the upper opening plate and the lower opening plate; through setting up fixed handle, the medical personnel of being convenient for or patient operate this oral cavity distraction device, consequently can improve the efficiency of treatment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic view of the sectional structure of the limiting circular groove of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic structural view of the utility model at B in fig. 2.

The reference signs are: 1. an upper spreader plate; 2. a lower spreader plate; 3. a first screw hole; 4. a second screw hole; 5. a first screw; 6. a second screw; 7. rotating the rod; 8. fixing the grip; 9. a limiting slide bar; 10. a limiting chute; 11. a limiting circular groove; 12. a limiting disc; 13. a first knob; 14. a second knob; 15. a protective silica gel sleeve; 16. a tooth falling clamping strip; 17. and (4) an anti-slip groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in attached figures 1 and 2, the oral cavity distraction device for the department of stomatology comprises an upper distraction plate 1 and a lower distraction plate 2, wherein a first screw hole 3 and a second screw hole 4 are respectively arranged inside the upper distraction plate 1 and the lower distraction plate 2, a first screw rod 5 and a second screw rod 6 are respectively connected with the inside of the first screw hole 3 and the second screw hole 4 in a threaded manner, the rotation directions of the surface threads of the first screw rod 5 and the second screw rod 6 are opposite, the bottom of the first screw rod 5 is fixedly connected with the top of the second screw rod 6, the bottom of the second screw rod 6 is fixedly connected with a rotating rod 7, a fixed handle 8 is arranged at the bottom of the rotating rod 7, a limiting mechanism is arranged between the rotating rod 7 and the fixed handle 8, a limiting slide bar 9 is fixedly arranged at the top of the fixed handle 8, limiting slide grooves 10 are respectively arranged inside the upper opening plate 1 and the lower opening plate 2, and the limiting slide bar 9 is arranged inside the limiting slide grooves 10 in a penetrating manner; so that the rotating rod 7, the first screw 5 and the second screw 6 are connected into a whole, and the upper opening plate 1 and the lower opening plate 2 which are in threaded connection with the surfaces of the first screw 5 and the second screw 6 can be driven to approach or separate from each other by controlling the rotating rod 7 to rotate, so that the upper opening plate 1 and the lower opening plate 2 can open the oral cavity of a patient; the upper spreading plate 1 and the lower spreading plate 2 are limited to only slide on the limiting slide rod 9 by utilizing the limiting slide rod 9, so that the upper spreading plate 1 and the lower spreading plate 2 are prevented from being deviated due to the influence of the rotation of the first screw 5 and the second screw 6 when lifted; by utilizing the fixed handle 8, the oral cavity opening device can be conveniently operated by medical staff or patients, thereby improving the treatment efficiency.

In a preferred embodiment, as shown in fig. 2 and 4, the limiting mechanism includes a limiting circular groove 11 opened at the top of the fixed handle 8, the bottom end of the rotating rod 7 penetrates the limiting circular groove 11, and a limiting disc 12 rotating in the limiting circular groove 11 is fixedly installed at the bottom end of the rotating rod 7, so that the rotating rod 7 can only rotate in a designated area of the fixed handle 8 by using the limiting disc 12, and the rotation deviation is avoided.

In a preferred embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a first knob 13 is fixedly installed on the surface of the rotating rod 7, and a second knob 14 is fixedly installed on the top of the first screw 5, so that the upper opening plate 1 and the lower opening plate 2, which are in threaded connection with the surface of the first screw 5 and the second screw 6, can be driven to approach or move away from each other by controlling the first knob 13 or the second knob 14 to rotate.

In a preferred embodiment, as shown in fig. 1 and fig. 2, the upper and lower opening plates 1 and 2 are provided with rounded shapes at both ends and at the side away from the limiting chute 10, so that the rounded shapes of the upper and lower opening plates 1 and 2 can be used to avoid irritation when the upper and lower opening plates 1 and 2 enter the oral cavity of a patient.

In a preferred embodiment, as shown in fig. 1 and fig. 2, a protective silicone sleeve 15 is sleeved on the surfaces of the upper and lower expanding plates 1 and 2 away from the limiting chute 10, so as to protect the inner wall of the oral cavity of the patient by utilizing the characteristic of high softness of silicone.

In a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, a plurality of groined tooth-falling-off strips 16 are fixedly connected to the upper surface of the upper opening plate 1 and the lower surface of the lower opening plate 2, so that the teeth of the patient can be fixed when the teeth of the patient contact with the upper opening plate 1 and the lower opening plate 2 by using the groined tooth-falling-off strips 16.

In a preferred embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the fixed grip 8, the first knob 13 and the second knob 14 are provided with anti-slip grooves 17 on the surface thereof, so as to increase the friction force when controlling the fixed grip 8, the first knob 13 and the second knob 14.

The utility model discloses the theory of operation: when in use, the medical care personnel or the patient holds the fixed grip 8 by hand to operate the oral cavity opening device; insert patient's oral cavity when will go up spreader plate 1 and lower spreader plate 2 and paste each other tightly, patient's tooth makes the tooth be in fixed state with the 16 contacts of the tooth card strip that fall that last spreader plate 1 and lower spreader plate 2 set up, medical personnel or patient rotate through controlling first knob 13 or second knob 14, consequently drive first screw rod 5 and 6 surface threaded connection's of second screw rod last spreader plate 1 and lower spreader plate 2 and be close to each other or keep away from for last spreader plate 1 and lower spreader plate 2 can strut the operation with patient's oral cavity.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an oral cavity distraction device for department of stomatology, includes distraction plate (1) and lower distraction plate (2), its characterized in that: the upper distraction plate (1) and the lower distraction plate (2) are respectively provided with a first screw hole (3) and a second screw hole (4) in the interior, the first screw hole (3) and the second screw hole (4) are respectively in threaded connection with a first screw rod (5) and a second screw rod (6), the first screw rod (5) and the second screw rod (6) are opposite in rotation direction of surface threads, the bottom of the first screw rod (5) is fixedly connected with the top of the second screw rod (6), the bottom of the second screw rod (6) is fixedly connected with a rotating rod (7), the bottom of the rotating rod (7) is provided with a fixed handle (8), a limiting mechanism is arranged between the rotating rod (7) and the fixed handle (8), the top of the fixed handle (8) is fixedly provided with a limiting slide rod (9), and the upper distraction plate (1) and the lower distraction plate (2) are both provided with a limiting slide groove (10) in the interior, the limiting sliding rod (9) penetrates through the limiting sliding groove (10).

2. The oral cavity distracting device of claim 1, wherein: stop gear is including offering at spacing circular slot (11) at fixed handle (8) top, the inside of locating spacing circular slot (11) is worn to locate by the bottom of dwang (7), the bottom fixed mounting of dwang (7) has spacing dish (12) at spacing circular slot (11) internal rotation.

3. The oral cavity distracting device of claim 1, wherein: the fixed surface of dwang (7) installs first knob (13), the top fixed mounting of first screw rod (5) has second knob (14).

4. The oral cavity distracting device of claim 1, wherein: the shape of one side of the upper spreading plate (1) and the lower spreading plate (2) far away from the limiting sliding groove (10) and the shape of the two ends of the upper spreading plate and the lower spreading plate are both set to be in a round angle shape.

5. The oral cavity distracting device of claim 1, wherein: and a protective silica gel sleeve (15) is sleeved on the surface of the upper opening plate (1) and the lower opening plate (2) far away from the limiting sliding groove (10).

6. The oral cavity distracting device of claim 1, wherein: the upper surface of the upper opening plate (1) and the lower surface of the lower opening plate (2) are fixedly connected with a plurality of falling tooth clamping strips (16) which are distributed in a groined shape.

7. The oral cavity distracting device of claim 3, wherein: and anti-skidding grooves (17) are formed in the surfaces of the fixed grip (8), the first knob (13) and the second knob (14).

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