CN102727244A - Occlusion fork for fixing in dental X-ray equipment - Google Patents
Occlusion fork for fixing in dental X-ray equipment Download PDFInfo
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- CN102727244A CN102727244A CN2012102376655A CN201210237665A CN102727244A CN 102727244 A CN102727244 A CN 102727244A CN 2012102376655 A CN2012102376655 A CN 2012102376655A CN 201210237665 A CN201210237665 A CN 201210237665A CN 102727244 A CN102727244 A CN 102727244A
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- 230000008676 import Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 210000000214 mouth Anatomy 0.000 abstract description 26
- 238000003384 imaging method Methods 0.000 abstract description 11
- 210000003296 saliva Anatomy 0.000 abstract description 10
- 230000009747 swallowing Effects 0.000 description 12
- 230000000740 bleeding effect Effects 0.000 description 8
- 238000013170 computed tomography imaging Methods 0.000 description 8
- 210000003128 head Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 241000167880 Hirundinidae Species 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- LCCNCVORNKJIRZ-UHFFFAOYSA-N parathion Chemical compound CCOP(=S)(OCC)OC1=CC=C([N+]([O-])=O)C=C1 LCCNCVORNKJIRZ-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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Abstract
The invention relates to an occlusion fork for fixing in dental X-ray equipment. The occlusion fork is shaped like an inverted L shaped which is formed as follows: a vertical rod (1) with a circular section is bent and extends to one side to form a horizontal rod (2) with a rectangular section, and the long edge of the horizontal rod (2) is in a horizontal plane, wherein a guide structure connected with a flat key is arranged on the vertical rod (1). The occlusion fork is characterized in that a through hole (3) with two ends communicated with atmosphere is formed in a body of the inverted L-shaped occlusion fork and extends to the tail end or the side wall of the vertical rod (1) along the centers of the horizontal rod (2) and the vertical rod (1) from the tail end of the horizontal rod (2); an inlet (4) is formed at one end of the through hole (3), which is located at the tail end of the horizontal rod (2); and an outlet (5) is formed at the other end of the through hole, which is located at the tail end or the side wall of the vertical rod (1). According to the occlusion fork, saliva in the oral cavity of a patient can be guided out conveniently, so that the imaging quality is improved and the repeated scanning is avoided.
Description
Technical field
The present invention relates to use or be suitable for the instrument of the radiodiagnosis of dentistry, be specifically related to the bite fork (bite fork) in the dental x-ray diagnostic instruments, also claim bite fork (face-bow fork).
Background technology
Oral cavity CT imaging device and oral cavity panoramic imagery equipment can obtain the faultage image of patient's tooth and structures surrounding thereof and the panoramic picture of tooth respectively.Typical oral cavity CT imaging device; Comprise columnar body part and the horizontal shore that is attached to main part; The free end of bracing frame connects C type imaging arm, and the two ends of this imaging arm are supported detector and X ray bulb respectively, and around vertical rotating shaft rotation; Patient's head is positioned device and is positioned under the C type imaging arm, and partly is connected with said columnar body.When oral cavity CT imaging device is worked; X ray bulb and detector are around patient's head rotation carrying out scanning imagery; When of the motion of wherein C type imaging arm, can realize the oral cavity panoramic imagery, so the dental X-ray ray equipment comprises oral cavity CT imaging device and oral cavity panoramic imagery equipment at horizontal plane.
In the dental X-ray ray equipment, being seated in of patient's head plays important effect in imaging process, and its effect is to make patient's head during quite long imaging process, keep head fixed.If patient's head moves during forming images, the image that then reconstructs can produce motion artifacts, influences the correct diagnosis of doctor to the patient.The fixing device of existing patient's head is a kind of multi-point positioning device, and it comprises Lower jaw support, arc forehead support and bilateral temporo folder, and overlapping for fear of last lower teeth, most equipment also comprises bite fork.As, oral cavity CT, the digitalized oral cavity CT of Kodak90003D type Kodak and the ORTHOPHOS XG3 type Siemens digital panoramic X-ray machine etc. of the ProMax3D model that Finland Pulan Mei Ka company produces.For another example, publication number is that the dental articulator 54 in the said scheme of CN101076287A patent application is an element in the said scheme of CN101668485A patent application (not providing title in the application documents, so be called for short element) 21 with publication number.But because oral cavity CT imaging and oral cavity panoramic imagery need 20～60 seconds usually, the stimulation that the patient oral cavity receives bite fork just can produce a large amount of salivas, and lower flows in the oral cavity, and the as easy as rolling off a log patient of causing makes the action of swallowing saliva.Above-mentioned swallowing act makes image produce pseudo-shadow, must rescan when serious, has prolonged the film making consultation hours first, has second increased X-radiation dosage, and patient body is caused damage.
Summary of the invention
In view of there is above-mentioned deficiency in prior art, technical problem to be solved by this invention provides a kind of improved bite fork, and this bite fork is convenient to the intraoral saliva of patient is drawn, and to improve image quality, avoids multiple scanning.
The technical solution of the problems referred to above that the present invention solves is:
The bite fork that maintenance is used in a kind of dental X-ray ray equipment; This bite fork is a Г shape, is to be made up of the montant of circular section cross bar crooked and to the square-section of side extension one long limit in horizontal plane, wherein; Described montant is provided with the guide frame that flat key connects; It is characterized in that, be provided with the through hole of two and atmosphere in the body of described Г shape bite fork, this through hole extends to the end or the sidewall of said montant along the center of said cross bar and montant from the end of said cross bar; Described through hole is positioned at of end of said cross bar and is import, is positioned at the end of said montant or the other end of sidewall and is outlet.
Owing to bite fork is a kind of rod component of Г shape, and want vertically freely-movable, therefore propping up and present the structure that is complementary with bite fork can be the hole, also can be pin.When a structure of presenting was the hole, the guide frame that described flat key connects was the flat key groove; When a structure of presenting was pin, the guide frame that described flat key connects was the blind hole that inwall is provided with flat key.
Be pooled in the said through hole in order to be more conducive to intraoral saliva and steam, additional technical feature of bite fork according to the invention is that the import of described through hole is oval-shaped horn mouth, and the major semiaxis of said ellipse is positioned at horizontal plane.
For the ease of described said through hole is communicated with the pump apparatus that can aspirate saliva and steam fast, the end or the sidewall of the montant at the outlet place of described through hole are provided with hose coupling (also claim leather pipe joint, be commonly called as the pagoda joint).
Owing to be provided with the through hole of two and atmosphere in the body of bite fork of the present invention; Before imaging, can be communicated with the pump apparatus of suction saliva and steam through the oral cavity of flexible pipe with the patient; The saliva and the steam that are produced in the patient oral cavity during imaging can in time be discharged; Therefore not only can improve image quality, and can avoid multiple scanning, reduce X ray patient body is caused damage.In addition, the improvement of image quality also helps to improve the accuracy of doctor's diagnosis.
Description of drawings:
Fig. 1～4 are the structural representation of a specific embodiment of bite fork according to the invention, and wherein Fig. 1 is a front view, Fig. 2 be the A of Fig. 1 to enlarged drawing, Fig. 3 be the B of Fig. 1 to view, Fig. 4 is that the C of Fig. 3 is to view.
The structural representation of another specific embodiment of Fig. 5 and Fig. 6 bite fork according to the invention, wherein Fig. 5 is a front view, Fig. 6 is that the D of Fig. 5 is to view.
Fig. 7 is the user mode figure of Fig. 1～4 illustrated embodiments, the saliva that the arrow among the figure is represented to be produced in the patient oral cavity and the flow direction of steam.
Fig. 8 is Fig. 5 and user mode figure (not showing the patient among the figure) embodiment illustrated in fig. 6.
The specific embodiment:
Example 1
This routine said bite fork is and has being of hole structure and be used.Referring to Fig. 1～4, whole bite fork is injection molded into Г shape by medical plastic, and the cross bar 2 that extends the square-section of a long limit in horizontal plane after its montant 1 upper bend by the circular section to the right constitutes, and wherein, the right side of montant 1 is provided with flat key groove 7; Be provided with the through hole 3 of two and atmosphere in the body of said Г shape bite fork, this through hole 3 extends to the end of montant 1 along the center of said cross bar 2 and montant 1 from the end of said cross bar 2; Described through hole 3 is positioned at of end of said cross bar and is import 4, and this import 4 is oval-shaped horn mouth, and the major semiaxis of said ellipse is positioned at the horizontal plane (see figure 4); The other end that said through hole 3 is positioned at the end of montant 1 is outlet 5, and this end that exports 5 place's montants 1 is provided with hose coupling 6.
Referring to Fig. 1 and Fig. 3, for the ease of the patient exactly interlock in position, said cross bar 2 laterally is being provided with occlusal crib 8 respectively in the both sides up and down apart from end about 12mm place
Referring to Fig. 1, said cross bar 2 downward-sloping α angles equal 1.5 °, thereby make that the front surface of the last lower teeth of patient is vertical basically with the orbital plane of X ray bulb motion, are convenient to the panoramic imagery information that obtains to enrich.
Bite fork among the oral cavity CT of the ProMax3D model that the described bite fork of present embodiment 11 replaceable Finland Pulan Mei Ka companies produce.Referring to Fig. 7, Lower jaw support 12 be installed in link to each other with the main part of oral cavity CT imaging device horizontal shore 13 on, bite fork 11 is inserted in 12 1 set jacks of Lower jaw support; Be provided with flat key in the said jack, bite fork 11 can only move up and down and can not rotate along said jack.During use, let patient 14 lower jaw be placed on the Lower jaw support 12, last lower teeth is stung cross bar at bite fork 11 about in the of 2 in the set occlusal crib 8 in both sides, then with a headgear of flexible pipe 15 on the hose coupling 6 of bite fork 11, head is connected with medical micropump in addition.After so connecting, patient 14 is produced in the imaging process saliva and steam can in time be taken out by medical micropump.
By referring to method shown in Figure 7, let 5 volunteers bite bite fork 11 of the present invention and bleed and do not bleed experiment, and the swallowing act number of times in each volunteer 5 minutes is recorded in following table 1.
Table 1
Visible by table 1, in 20 seconds, swallowing act respectively takes place 1 time with volunteer 5 in volunteer 2 when not bleeding, and the unmanned swallowing act that takes place when bleeding; Between 40 seconds to 60 seconds, have only volunteer 5 to produce 1 swallowing act when bleeding,, swallow number of times and reduced more than 65% than the situation of not bleeding; In 1 minute, 5 volunteers' the total degree of swallowing is 8 times when not bleeding, and on average everyone 1.6 times, 5 volunteers' the total degree of swallowing is 1 time when bleeding, and on average everyone 0.2 time, swallows number of times and has reduced more than 85%.The generation that imaging can be stopped swallowing act in the bite fork of the present invention 20～40 seconds is adopted in The above results explanation.Because oral cavity CT imaging and oral cavity panoramic imagery need 20～60 seconds usually, bite fork of the present invention can greatly reduce the swallowing act of patient during scanning imagery, improves image quality.
In addition, during 1 minute to 5 minutes, 5 volunteers' the total degree of swallowing is 22 times when not bleeding, and 5 volunteers' the total degree of swallowing is 5 times when bleeding, and swallows number of times and has reduced 17 times.This is this explanation as a result, uses bite fork of the present invention can significantly improve patient's comfort level.
Example 2
This routine said bite fork is and has being of pin structure and be used.Referring to Fig. 5 and Fig. 6; Whole bite fork also is injection molded into Г shape by medical plastic; The cross bar 2 that extends the square-section of a long limit in horizontal plane after its montant 1 upper bend by the circular section to the right constitutes; Wherein, montant 1 is provided with blind hole 9 near crooked position in the center with the lower part, and the right side of these blind hole 9 inwalls is provided with flat key 10; Be provided with the through hole 3 of two and atmosphere in the body of described Г shape bite fork, this through hole 3 extends to the sidewall on montant 1 top along the center of said cross bar 2 and montant 1 from the end of said cross bar 2; Described through hole 3 is positioned at of end of said cross bar and is import 4, and this import 4 is oval-shaped horn mouth, and the major semiaxis of said ellipse is positioned at horizontal plane; The other end that said through hole 3 is positioned at the sidewall on montant 1 top is outlet 5, and this sidewall that exports 5 place's montants 1 is provided with hose coupling 6.
Structure beyond this routine said bite fork is above-mentioned is identical with example 1.
Present embodiment is suitable for the oral cavity CT imaging device and the oral cavity panoramic imagery scrap build of aclusion fork and uses.Referring to Fig. 8; On the flat bracing frame 13 of Lower jaw support 12 inboards, set up one by nut 16 fixed vertical alignment pins 17; The montant 1 intravital blind hole 9 of this alignment pin 17 and bite fork 11 movingly, and the surface be provided with said blind hole 9 in the keyway that is complementary of set flat key 10.But the corresponding description of concrete method for using and operation principle reference example 1.
Claims (4)
1. the bite fork that maintenance is used in the dental X-ray ray equipment; This bite fork is a Г shape; Be to constitute by the montant (1) of circular section cross bar (2) crooked and to the square-section of side extension one long limit in horizontal plane; Wherein, described montant (1) is provided with the guide frame that flat key connects, and it is characterized in that; Be provided with the through hole (3) of two and atmosphere in the body of described Г shape bite fork, this through hole (3) extends to the end or the sidewall of said montant (1) along the center of said cross bar (2) and montant (1) from the end of said cross bar (2); Described through hole (3) is positioned at of end of said cross bar (2) and is import (4), is positioned at the end of said montant (1) or the other end of sidewall and is outlet (5).
2. the bite fork that maintenance is used in a kind of dental X-ray ray equipment according to claim 1 is characterized in that, the import (4) of described through hole (3) is oval-shaped horn mouth, and the major semiaxis of said ellipse is positioned at horizontal plane.
3. the bite fork that maintenance is used in a kind of dental X-ray ray equipment according to claim 1 and 2 is characterized in that, the end of the montant (1) at outlet (5) place of described through hole (3) is provided with hose coupling (6).
4. the bite fork that maintenance is used in a kind of dental X-ray ray equipment according to claim 1 and 2 is characterized in that, the sidewall of the montant (1) at outlet (5) place of described through hole (3) is provided with hose coupling (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102376655A CN102727244A (en) | 2012-07-10 | 2012-07-10 | Occlusion fork for fixing in dental X-ray equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102376655A CN102727244A (en) | 2012-07-10 | 2012-07-10 | Occlusion fork for fixing in dental X-ray equipment |
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| Publication Number | Publication Date |
|---|---|
| CN102727244A true CN102727244A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102376655A Pending CN102727244A (en) | 2012-07-10 | 2012-07-10 | Occlusion fork for fixing in dental X-ray equipment |
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| Country | Link |
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| CN (1) | CN102727244A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212135U (en) * | 1987-08-21 | 1988-04-20 | 第一军医大学南方医院 | Cliic saliva sucking and draining device |
| DE19629708A1 (en) * | 1996-07-24 | 1998-02-05 | Stephan Dr Dr Bonorden | Method for pre-operative planning of teeth implants, to establish drilling coordinates in jaw |
| CN1239876A (en) * | 1996-12-06 | 1999-12-29 | 尤隆达股份有限公司 | Cannula for saliva suction in dental applications |
| CN2376267Y (en) * | 1999-06-04 | 2000-05-03 | 威海市文登中心医院 | Curved surface X-ray machine jaw device |
| CN101076287A (en) * | 2004-08-27 | 2007-11-21 | 杜尔牙科器械两合公司 | Method for determining the set relative position of a patient in a dental panorama x-ray apparatus or the set path of which this apparatus is moved with regard to a patient, and a device suited theref |
| CN101668485A (en) * | 2007-03-19 | 2010-03-10 | 普兰梅卡有限公司 | Panoramic x-ray apparatus and positioning of a layer to be imaged for panoramic imaging |
| CN201500150U (en) * | 2009-10-09 | 2010-06-09 | 张洪义 | Lower jaw draw hook |
| CN201939371U (en) * | 2011-01-07 | 2011-08-24 | 杨团结 | Dental photographic fixing positioning clamp |
| CN201968858U (en) * | 2011-01-14 | 2011-09-14 | 孙瑞君 | Novel oral cavity moisture-proof cotton saliva ejector |
-
2012
- 2012-07-10 CN CN2012102376655A patent/CN102727244A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212135U (en) * | 1987-08-21 | 1988-04-20 | 第一军医大学南方医院 | Cliic saliva sucking and draining device |
| DE19629708A1 (en) * | 1996-07-24 | 1998-02-05 | Stephan Dr Dr Bonorden | Method for pre-operative planning of teeth implants, to establish drilling coordinates in jaw |
| CN1239876A (en) * | 1996-12-06 | 1999-12-29 | 尤隆达股份有限公司 | Cannula for saliva suction in dental applications |
| CN2376267Y (en) * | 1999-06-04 | 2000-05-03 | 威海市文登中心医院 | Curved surface X-ray machine jaw device |
| CN101076287A (en) * | 2004-08-27 | 2007-11-21 | 杜尔牙科器械两合公司 | Method for determining the set relative position of a patient in a dental panorama x-ray apparatus or the set path of which this apparatus is moved with regard to a patient, and a device suited theref |
| CN101668485A (en) * | 2007-03-19 | 2010-03-10 | 普兰梅卡有限公司 | Panoramic x-ray apparatus and positioning of a layer to be imaged for panoramic imaging |
| CN201500150U (en) * | 2009-10-09 | 2010-06-09 | 张洪义 | Lower jaw draw hook |
| CN201939371U (en) * | 2011-01-07 | 2011-08-24 | 杨团结 | Dental photographic fixing positioning clamp |
| CN201968858U (en) * | 2011-01-14 | 2011-09-14 | 孙瑞君 | Novel oral cavity moisture-proof cotton saliva ejector |
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Application publication date: 20121017 |