CN113081328A

CN113081328A - Front traction device

Info

Publication number: CN113081328A
Application number: CN202110475507.2A
Authority: CN
Inventors: 段君
Original assignee: Childrens Hospital of Chongqing Medical University
Current assignee: Childrens Hospital of Chongqing Medical University
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-07-09

Abstract

The invention provides a front traction device, comprising: the forehead fixing assembly comprises a fixing plate for covering the forehead of a human body and two first supporting columns arranged on two sides of the fixing plate, and the first supporting columns clamp the outer side of the face of a patient; the chin fixing component comprises a third support and a chin pocket, the chin pocket is arranged in the middle of the third support, and two ends of the third support are detachably connected with the bottom end of one first support respectively; when in use, the relative positions of the third support and the chin pocket are fixed; the matching component is used for sleeving a rubber ring to realize matching use with the intraoral device and is arranged between the two first supporting columns; the back head fixing component is used for being worn behind the head of a patient to fix. Preceding draw gear in this scheme can effectually avoid it to shelter from after wearing and look the thing, reaches to wear comfortable, the effect of effectively correcting.

Description

Front traction device

Technical Field

The invention belongs to the field of medical instruments, and particularly relates to a front traction device.

Background

Along with the improvement of quality of life, the head of a family pays more and more attention to child's oral cavity condition, and the infant that carries out early correction to the hospital is more and more, and wherein is in the infant of growth and development phase and takes place the wrong infant of III types of osteology relatively more, and this kind of infant of correcting for more accurate and individualized has increased the actual demand. Currently, the most effective correction of the bone type III errors in the growth and development period clinically is orthopedic treatment, a front traction device is generally needed, and the front traction correction needs the mutual matching of an oral device and an external device. The existing front traction device used in correction has the following defects:

1. the support column which plays a role of traction in the front traction device is positioned in the middle of the two eyes, which is not beneficial to the focusing of the two eyes of the children patient and the daily activities of writing operation and the like of the children patient.

2. The principle of correcting of preceding traction is that the intraoral fixing device of rubber band connection and the extraoral anchorage part will produce strength when the rubber band is stretched to certain length, makes the orthopedic power that the maxilla takes place the antedisplacement need 500 grams of power usually, and this strength is conducted maxilla through intraoral device to reach the purpose of correcting the maxilla that contracts backward, and the counter force of rubber band can transmit the extraoral anchorage position: namely the chin and the forehead, are easy to cause discomfort to the patient due to concentrated stress.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention is directed to a front traction device for solving the problem of discomfort to the patient caused by the middle of the eyes of the strut for traction in the front traction device in the prior art.

To achieve the above and other related objects, the present invention provides a front traction apparatus, comprising:

the forehead fixing assembly comprises a fixing plate for covering the forehead of a human body and two first supporting columns respectively arranged at two sides of the fixing plate, and the first supporting columns clamp the outer side of the face of a patient;

the chin fixing component comprises a third support and a chin pocket, the chin pocket is arranged in the middle of the third support, and two ends of the third support are detachably connected with the bottom end of one first support respectively; when in use, the relative positions of the third support and the chin pocket are fixed;

the matching component is used for sleeving a rubber ring to realize matching use with the intraoral device and is arranged between the two first supporting columns;

the back head fixing component is used for being worn behind the head of a patient to fix.

Further, a forehead cushion is arranged on one side, which is in contact with the forehead of the human body, of the fixing plate, and the thickness of the forehead cushion is gradually reduced from top to bottom.

Furthermore, the first supporting columns sequentially comprise a first attaching portion, an avoiding portion and a second attaching portion from bottom to top, the first attaching portion and the second attaching portion are arranged in a protruding mode towards the mouth and nose direction of a human body, and the first attaching portions on the two first supporting columns are in a clamping state on the face of the human body; second laminating portion on two first pillars is clamping state to human forehead portion, dodge the portion and bulge towards human facial outside, dodge the portion and be used for dodging human eye.

Furthermore, a fixed block is fixed under the chin pocket, a mounting hole for a third support to pass through is formed in the fixed block, and the third support and the fixed block are compressed and fixed through a compressing component.

Further, the matching assembly comprises a second support and a fixing column, the second support is transversely arranged between the two first supports, the fixing column is fixed on the second support, and the fixing column is used for fixing the rubber ring.

Further, the first support column, the second support column and the third support column are all polygonal columns.

Furthermore, a screw hole for the pressing component to enter is formed in the fixing block, the screw hole is communicated with the mounting hole, and the diameter of the mounting hole is consistent with the diameter of the outer circle of the first support.

Furthermore, the first support column, the second support column and the third support column are connected through a connecting column, and the first support column, the second support column and the third support column are pressed and fixed through a pressing component after penetrating through the connecting column.

Further, the pressing part is in surface-to-surface contact with the first support, the second support and the third support.

Furthermore, an opening for the chin to enter is formed in the chin pocket, and a gasket is arranged in the chin pocket.

As described above, the front traction apparatus of the present invention has the following advantageous effects:

because the setting of fixed plate to preceding draw gear is in the lifting surface area of forehead portion in this scheme of increase, the use travelling comfort that draw gear wore before the increase. First support distributes in human facial both sides, rather than between two eyes, can avoid wearing influence patient after the preceding draw gear in this scheme looks the thing.

Because the fixed subassembly of forehead portion, the fixed subassembly of chin portion and the fixed subassembly's behind the head setting for preceding draw gear in this scheme can be stable fix at patient's head, and effectual realization is corrected.

Due to the arrangement of the fitting assembly, it is convenient to use with an intraoral device.

Preceding draw gear in this scheme can effectually avoid it to shelter from after wearing and look the thing, reaches to wear comfortable, the effect of effectively correcting.

Drawings

Fig. 1 is a schematic structural view of a front traction device in an embodiment of the present invention.

Fig. 2 is a schematic view of a connection structure between the fixing block and the third support in the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a forehead pad according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a forehead fixing assembly according to an embodiment of the present invention.

Detailed Description

Reference numerals in the drawings of the specification include: the forehead cushion comprises a first support 1, a first attaching portion 101, an avoiding portion 102, a second attaching portion 103, a fixing plate 2, a connecting column 3, a second support 4, a third support 5, a fixing block 6, a chin pocket 7, a gasket 8, a fixing column 9, a binding band 10, a buckle 11, a forehead cushion 12, a fastening bolt 13, a mounting hole 14 and an opening 15.

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Examples

As shown in fig. 1 to 4, the present embodiment provides a front traction apparatus including: the forehead fixing component, the chin fixing component, the matching component and the back-of-head fixing component.

The fixed subassembly of forehead portion includes fixed plate 2 and two unanimous first pillars 1 of shape, first pillar 1 from the bottom up includes first laminating portion 101 in proper order, dodges portion 102 and second laminating portion 103, first laminating portion 101 is towards the protruding setting of patient's mouth nose direction, the setting of first laminating portion 101 on two first pillars 1 for the preceding draw gear in this scheme wears the back and realizes the centre gripping state to patient's face, with the stability that preceding draw gear wore in this scheme of increase. Dodge portion 102 and set up towards keeping away from human facial direction protrusion to dodge patient's eye, in order to avoid first pillar 1 to cause the oppression to the eye and influence the patient and look the thing. Second laminating portion 103 sets up towards the facial direction protrusion of human body, realizes the clamp tight to the forehead portion, and the front traction device's stability of wearing in the further increase this scheme. The top ends of the first support columns 1 are arranged in a bending way towards the forehead of a human body, the fixing plate 2 is arranged between the top ends of the two first support columns 1, and the fixing plate 2 is rotatably connected with the first support columns 1. Fixed plate 2 is the arc shape, and fixed plate 2 is used for fixing at patient's frontal portion, the setting of fixed plate 2 to increase patient's frontal portion lifting surface area, increase the patient and wear the travelling comfort. The inboard (call in this scheme be inboard towards patient's facial one side) of fixed plate 2 is provided with the forehead pad 12, and forehead pad 12 from the bottom up thickness crescent to human forehead portion of laminating more. The arrangement of the forehead cushion 12 increases the wearing comfort of the patient.

The chin fixing component comprises a chin guard 7 and a third support column 5, an opening 15 is formed in the chin guard 7, a fixing block 6 is arranged at the bottom of the chin guard 7, the fixing block 6 and the chin guard 7 are fixed, a mounting hole 14 for the third support column 5 to penetrate through is formed in the fixing block 6, and the middle of the third support column 5 is located in the mounting hole 14. The bottom of the fixing block 6 is provided with a screw hole for installing the fixing block 6 and the third support 5, and the relative position of the third support 5 and the fixing block 6 is fixed through a fastening bolt 13. The two ends of the third support 5 are bent towards the human face to match the shape of the human face. A first pillar 1 is fixed to third pillar 5 one end, connects through spliced pole 3 between 1 bottom of first pillar and the third pillar 5 both ends. In the embodiment, the first support column 1 and the third support column 5 are both octagonal columns, the outer diameter of the mounting hole 14 is consistent with that of the third support column 5, and the top end of the fastening bolt 13 abuts against one cylindrical surface of the third support column 5. And in this scheme, through set up the hole that supplies first pillar 1 and third pillar 5 to pass on spliced pole 3, then carry out the relative position between first pillar 1, third pillar 5 and spliced pole 3 through the bolt and fix, the fixed mode of hole and bolt on spliced pole 3 is the same with the fixed mode between mounting hole 14 and the fastening bolt 13 on the fixed block 6, is the contact of leaning on of face with the face. The fastening bolt 13 and other bolts are collectively referred to as a pressing member in the present embodiment.

The cooperation portion subassembly is used for using with the intraoral device cooperation, and the cooperation portion includes second pillar 4 and fixed column 9, and fixed column 9 passes through the bolt fastening on second pillar 4, and second pillar 4 sets up towards the facial outer protrusion of human body. The second support 4 is a polygon prism in this embodiment, and the relative position of the second support 4 and the first support 1 is fixed through the connecting column 3 and the bolt. The fixing column 9 is arranged so as to be convenient for being sleeved with a rubber ring to connect the in-connector device.

The back head fixation assembly comprises two straps 10 and a buckle 11 for achieving fixation between the two straps 10.

During specific implementation, the forehead fixing component is fixed at the forehead position, the chin fixing component is fixed at the chin position, the bandage 10 is bound behind the head and the bayonet 11 is locked, and the rubber ring is sleeved on the fixing column 9 of the matching component to connect the in-connector device, so that correction is realized.

In the scheme, the third support column 5 is polygonal, so that the surface-to-surface contact is formed between the fastening bolt 13 and the cylindrical surface of the third support column 5, if the third support column 5 is not prismatic, but the third support column 5 is cylindrical, the fastening bolt 13 is in point-to-surface contact with the cylindrical surface, unstable connection between the third support column 5 and the fixed block 6 is caused, the chin pocket 7 moves along with the process that a patient opens and closes the mouth to speak, the third circular support column 5 is loosened from the fastening bolt 13, the chin pocket 7 cannot fix the chin, the device in the communication port of the front traction device cannot correct the chin, the patient and parents of the patient can go to and fro in the hospital, the use experience of the patient is reduced, and the correction cost is increased. Based on this, in this embodiment, the third support column 5 is provided as a polygonal column, and similarly, in order to increase the installation stability of the first support column 1 and the second support column 4, both the first support column 1 and the second support column 4 are provided as polygonal columns.

In the embodiment, the third support column 5 is provided with an octagonal prism, when the chin guard 7 needs to be adjusted in angle, the fastening bolt 13 is loosened, the third support column 5 is rotated by 45 degrees, and then the fastening bolt 13 is tightened, so that the top end of the fastening bolt 13 is in contact with the cylindrical surface of the third support column 5, and surface-to-surface abutting is formed. The deflection angle of the first support 1 and the second support 4 is adjusted in the same way as the third support 5.

When front traction device wore in this scheme first pillar 1 was located human facial both sides, can not obstruct the patient and look the thing.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A front hitch, comprising:

2. The front traction device as claimed in claim 1, wherein a forehead pad is provided at a side of the fixing plate for contacting with the forehead of the human body, and the thickness of the forehead pad is gradually reduced from top to bottom.

3. The front traction device as claimed in claim 1, wherein the first support columns sequentially comprise a first attaching portion, an avoiding portion and a second attaching portion from bottom to top, the first attaching portion and the second attaching portion are arranged in a protruding mode towards the mouth and nose of the human body, and the first attaching portions on the two first support columns are in a clamping state on the face of the human body; second laminating portion on two first pillars is clamping state to human forehead portion, dodge the portion and bulge towards human facial outside, dodge the portion and be used for dodging human eye.

4. The front traction device as claimed in claim 1, wherein a fixed block is fixed under the chin pocket, a mounting hole for the third support to pass through is formed in the fixed block, and the third support and the fixed block are pressed and fixed through a pressing part.

5. The front hitch apparatus of claim 4, wherein the mating assembly includes a second strut disposed laterally between the two first struts and an anchor post secured to the second strut, the anchor post for securing a rubber grommet.

6. The front hitch apparatus of claim 5, wherein the first leg, the second leg, and the third leg are each polygonal.

7. The front traction device as defined in claim 6, wherein the fixing block is provided with a screw hole for the pressing member to enter, the screw hole is communicated with the mounting hole, and the diameter of the mounting hole is consistent with the diameter of the outer circle of the first strut.

8. The front traction device as claimed in claim 7, wherein the first, second and third struts are connected by a connecting column, and the first, second and third struts are fixed by a pressing member after passing through the connecting column.

9. The front hitch assembly of claim 8, wherein there is surface-to-surface contact between the hold-down member and the first leg, the second leg, and the third leg.

10. The anterior traction device of claim 1 wherein the chin guard defines an opening for entry of the chin, and a spacer is disposed within the chin guard.