CN208274642U - Extension fixture is used in a kind of operation of medical oral section - Google Patents

Abstract

The utility model discloses a kind of medical oral section operation extension fixtures, including the first shield valve and the second shield valve, first shield valve and the second shield valve are semicircular arc, one end of first shield valve is equipped with take-up, take-up is also connect with the second shield valve, and take-up includes first sleeve, second sleeve, spring, steel wire, knob base and knob；This medical oral section operation extension fixture, first shield valve is symmetric with the second shield valve, it is connected between first shield valve and the second shield valve by take-up, when turn knobs, steel wire can be made to drive first sleeve mobile towards second sleeve direction, extension fixture volume becomes smaller at this time, it can easily be put into patient mouthful, knob is rotated backward again, and the steel wire twining amount of knob tail end will be reduced, and first sleeve can be far from second sleeve, extension fixture volume becomes larger at this time, play the role of expanding patient's oral area, while the degree expanded is adjustable, adjustment process is convenient.

Description

Extension fixture is used in a kind of operation of medical oral section

Technical field

The utility model relates to technical field of medical equipment, extension fixture is used in specially a kind of medical oral section operation.

Background technique

The department of stomatology is mainly carried out: correction, esthetics reparation, manufactures meticulously all kinds of baking-ceramic tooths at cold light whitening, can locally pluck justice Tooth, glue support, steel support, titanium alloy steel denture and all kinds of accurate attachmentes, immediate denture, complete denture.Carry out dental pulp disease, periodontal simultaneously Disease, periapical disease, root canal treatment, glass ion, the dental filling of compound resin photocuring and the prevention and treatment of children's odontopathy.Outside jaw face Section carries out all kinds of tumours, deformity, mouth mucus tumour, cyst of submaxillary gland, sublingual gland cyst, mixed tumor of parotid gland and extracts, to kind Residual crown caused by reason, undesirable root, tooth deformity, impacted tooth such as pull out at operations, maxillofacial trauma, the upper fracture of mandible emergency treatment.

When carrying out department of stomatology operation, needs first to expand the oral area of patient to a certain degree, patient is avoided to be closed mouth automatically Bar, it influences to perform the operation, while expanding oral area can also also the bigger operating space of doctor, existing department of stomatology operation extension fixture compare Inflexible, not only adjustment process is inconvenient, and the size expanded every time is identical, is not suitable for all patients.

Utility model content

The purpose of this utility model is to provide a kind of medical oral section operation extension fixtures, and it is convenient to have adjustment process The advantage controllable with scale is adjusted, solves the problems of the prior art.

To achieve the above object, the utility model provides the following technical solutions: a kind of medical oral section operation expansion dress It sets, including the first shield valve and the second shield valve, the first shield valve is located at the side of the second shield valve, and the first shield valve and the second shield valve are equal It is semicircular arc, limited block is equipped on the outside of the first shield valve and the second shield valve, one end of the first shield valve is equipped with take-up, The take-up is also connect with the second shield valve, and the take-up includes first sleeve, second sleeve, spring, steel wire, knob Seat and knob, one end of first sleeve are fixedly connected with the first shield valve, and the inner wall of first sleeve and the outer wall activity of second sleeve connect It connects, the inside of first sleeve is equipped with spring and steel wire, and the end thereof contacts of the spring connect first sleeve, and the other end of spring connects Second sleeve is connect, the inside of spring is equipped with steel wire, and one end of steel wire connects first sleeve, and the other end of steel wire connects knob, rotation Screw thread is offered on the outside of button, knob is connected through a screw thread knob base, and knob base is fixedly connected with the side wall of the second shield valve, the second shield Valve is fixedly connected with one end of second sleeve.

Preferably, the steel wire runs through second sleeve, and first sleeve and second sleeve are hollow.

Preferably, the height of the knob base is higher than limited block.

Preferably, the spring is in compressive state, and steel wire runs through spring.

Preferably, it is rotatably connected to pulley in the second shield valve of the knob end, the steel wire bypasses institute The end for stating pulley and the knob is intertwined and connected.

Compared with prior art, the beneficial effects of the utility model are as follows:

This medical oral section operation extension fixture, the first shield valve are symmetric with the second shield valve, and first protects valve and the By take-up connection between two shield valves, when turn knobs, steel wire can be wrapped in knob end, and steel wire shortens, and can make steel wire band Dynamic first sleeve is mobile towards second sleeve direction, and extension fixture volume becomes smaller at this time, can easily be put into patient mouthful, then reversely The steel wire twining amount of turning knob, knob tail end will be reduced, the separate second sleeve of first sleeve meeting, at this time extension fixture volume Become larger, plays the role of expanding patient's oral area, while the degree expanded is adjustable, adjustment process is convenient, according to knob Enclose number, can any regulating device degrees of expansion, keep the adaptability of device wider.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the take-up partial schematic diagram of the utility model；

Fig. 3 is the knob base schematic diagram of the utility model.

In figure: 1 first shield valve, 2 second shield valves, 3 limited blocks, 4 take-ups, 41 first sleeves, 42 second sleeves, 43 bullets Spring, 44 steel wires, 45 knob bases, 46 knobs, 5 pulleys.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3, a kind of medical oral section operation extension fixture, including the first shield valve 1 and the second shield valve 2 are please referred to, the One shield valve 1 is located at the side of the second shield valve 2, and the first shield valve 1 is symmetric with the second shield valve 2, the first shield valve 1 and the second shield valve 2, which are all made of food grade plastic material, is made, and the first shield valve 1 and the second shield valve 2 are semicircular arc, the first shield valve 1 and the second shield The outside of valve 2 is equipped with limited block 3, and one end of the first shield valve 1 is equipped with take-up 4, the control of take-up 4 first shield valve 1 With the positional relationship of the second shield valve 2, take-up 4 is also connect with the second shield valve 2, and take-up 4 includes first sleeve 41, second Sleeve 42, spring 43, steel wire 44, knob base 45 and knob 46, one end of first sleeve 41 are fixedly connected with the first shield valve 1, and first The inner wall of sleeve 41 is flexibly connected with the outer wall of second sleeve 42, and the inside of first sleeve 41 is equipped with spring 43 and steel wire 44, bullet Spring 43 is in compressive state, and steel wire 44 runs through spring 43, and the spring 43 in compressive state, which can generate, pushes away second sleeve 42 The strength of first sleeve 41, the end thereof contacts of spring 43 connect first sleeve 41, and the other end of spring 43 connects second sleeve 42, The inside of spring 43 is equipped with steel wire 44, and one end of steel wire 44 connects first sleeve 41, and steel wire 44 runs through second sleeve 42, first set Cylinder 41 and second sleeve 42 are hollow, and steel wire 44 connects first sleeve 41 and knob 46, the other end of steel wire 44 Knob 46 is connected, is rotatably connected to pulley 5 in the second shield valve 2 of 46 end of knob, steel wire 44 is around pulley 5 and knob 46 End be intertwined and connected, the design of pulley 5 may make steel wire 44 to become having certain angle from parallel with the central axis of knob 46, When may make rotation knob 46, steel wire 44 can be made smoothly to be wrapped in the end of knob 46, when turn knobs 46, steel wire can be wound 44, make steel wire 44 drive first sleeve 41 mobile, the outside of knob 46 offers screw thread, and knob 46 is connected through a screw thread knob base 45, referring to Fig. 3, screw thread is straight thread, and when the rotation of knob 46, knob 46 will not move left and right in knob base 45, to keep away Exempt from knob 46 to be detached from knob base 45 during rotation and influence knob 46 and wind steel wire 44, the height of knob base 45 is higher than limit Position block 3, limited block 3 are stuck in patient's teeth portion, and anti-locking apparatus falls off from oral cavity, and knob base 45 will not influence behaviour when surgical Make, knob base 45 is fixedly connected on the side wall of the second shield valve 2, and the second shield valve 2 is fixedly connected with one end of second sleeve 42.

This medical oral section operation use extension fixture, first shield valve 1 with second shield valve 2 is symmetric, first shield valve 1 and Second shield valve 2 is all made of food grade plastic material and is made, and the first shield valve 1 and the second shield valve 2 are semicircular arc, the first shield valve 1 It is connect between the second shield valve 2 by take-up 4, take-up 4 includes first sleeve 41, second sleeve 42, spring 43, steel wire 44, knob base 45 and knob 46, knob base 45 will not influence operation when surgical, and the spring 43 in compressive state can produce The raw strength that second sleeve 42 is pushed away to first sleeve 41, first sleeve 41 and second sleeve 42 are hollow, and steel wire 44 will First sleeve 41 and knob 46 connect, and when turn knobs 46, can wind steel wire 44, make steel wire 44 that first sleeve 41 be driven to move Dynamic, the first shield valve 1 is mobile to the second shield 2 direction of valve at this time, and overall volume becomes smaller, and can easily be put into patient mouthful, then reversely 44 twining amount of steel wire of turning knob 46,46 tail end of knob will be reduced, under the action of 43 elastic force of spring, 41 meeting of first sleeve Far from second sleeve 42, overall volume becomes larger at this time, plays the role of expanding patient's oral area, while the degree expanded is adjustable, Adjustment process is convenient, and will not influence the health of patient.

In use, placing the device in oral cavity, limited block 3 blocks tooth, and limited block 3 is located in oral cavity, prevents from filling Slippage is set, knob 46 is located at outside oral cavity, and convenient for adjusting, the first shield valve 1 is symmetric with the second shield valve 2, and first protects valve 1 and the Two shield valves 2 play the role of supporting patient oral cavity, are connected between the first shield valve 1 and the second shield valve 2 by take-up 4, turn rotation When button 46, the end for the knob 46 that steel wire 44 can be wound, steel wire 44 shortens, and steel wire 44 can be made to drive first sleeve 41 towards second set 42 directions of cylinder are mobile, and extension fixture volume becomes smaller at this time, can easily be put into patient mouthful, then rotate backward knob 46, knob 44 twining amount of steel wire of 46 tail ends will be reduced, under the action of 43 elastic force of spring, the separate second sleeve 42 of the meeting of first sleeve 41, Extension fixture volume becomes larger at this time.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of medical oral section operation extension fixture, including the first shield valve (1) and the second shield valve (2), it is characterised in that: institute The first shield valve (1) is stated positioned at the side of the second shield valve (2), the first shield valve (1) and the second shield valve (2) are semicircular arc, and first It being equipped with limited block (3) on the outside of shield valve (1) and the second shield valve (2), one end of the first shield valve (1) is equipped with take-up (4), The take-up (4) also connect with the second shield valve (2), and the take-up (4) includes first sleeve (41), second sleeve (42), spring (43), steel wire (44), knob base (45) and knob (46), one end of first sleeve (41) are fixedly connected with the first shield The inner wall of valve (1), first sleeve (41) is flexibly connected with the outer wall of second sleeve (42), and the inside of first sleeve (41) is equipped with bullet The end thereof contacts of spring (43) and steel wire (44), the spring (43) connect first sleeve (41), the other end connection of spring (43) The inside of second sleeve (42), spring (43) is equipped with steel wire (44), and one end of steel wire (44) connects first sleeve (41), steel wire (44) the other end connects knob (46), offers screw thread on the outside of knob (46), knob (46) is connected through a screw thread knob base (45), knob base (45) is fixedly connected with the side wall of the second shield valve (2), and the second shield valve (2) is fixedly connected with the one of second sleeve (42) End.

2. a kind of medical oral section operation extension fixture according to claim 1, it is characterised in that: the steel wire (44) Through second sleeve (42), first sleeve (41) and second sleeve (42) are hollow.

3. a kind of medical oral section operation extension fixture according to claim 1, it is characterised in that: the knob base (45) height is higher than limited block (3).

4. a kind of medical oral section operation extension fixture according to claim 1, it is characterised in that: the spring (43) In compressive state, steel wire (44) runs through spring (43).

5. a kind of medical oral section operation extension fixture according to claim 1, it is characterised in that: close to the knob (46) it is rotatably connected to pulley (5) in second shield valve (2) of end, the steel wire (44) bypasses the pulley (5) and institute The end for stating knob (46) is intertwined and connected.