CN2661098Y - Hand-operated open mouth tongs - Google Patents
Hand-operated open mouth tongs Download PDFInfo
- Publication number
- CN2661098Y CN2661098Y CN 200320128933 CN200320128933U CN2661098Y CN 2661098 Y CN2661098 Y CN 2661098Y CN 200320128933 CN200320128933 CN 200320128933 CN 200320128933 U CN200320128933 U CN 200320128933U CN 2661098 Y CN2661098 Y CN 2661098Y
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- China
- Prior art keywords
- tooth
- body frame
- handle body
- open mouth
- jaw
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- Expired - Fee Related
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a manual opening clamp for oral cavity, which pertains to medical apparatus of opening oral cavity. The opening clamp consists of a jaw with a buffer, an elbow-shaped clamp arm, a handle main frame assembly, a press bar and a press bar reset reed; wherein, the handle main frame assembly consists of traction straight teeth, a reset spring, a steering gear, a drive gear and a stop unit; the press bar is fixedly provided with a drive gear advance thrust unit. The mouth gag has simple and reasonable structure, and is easy to be operated, so the operator can complete the oral cavity opening action of patients only by one hand.
Description
Technical field
This utility model belongs to the medical apparatus and instruments of medical mouth open, particularly relates to a kind of have manually lasting keep patient's mouth stretching degree, manual open mouth tongs simple to operate.
Background technology
When the treatment patient needs mouth open, there are a lot of method and apparatus to open patient's mouth greatly, or keep the open configuration of needs.But, when treatment target refusal is dehisced, or can't opening the time, but make troubles to the medical worker, so that can't treat, or affect treatment adversely.
Chinese patent 2233722 discloses a kind of " novel operation on oral cavity gag ", be on the basis of former Vickers gag, with the arch form supporting frame upper free-end, prolong its arc form long axis and open the tooth hook groove rail of 4-6cm, make between tooth hook displacement field and enlarge, adorn the illumination support arm of lifting thereupon at elevating lever outside of belly spiral shell, and in catheter hub plug-in mounting fibre light guide beam guide tube, for the wild illumination of art.
Chinese patent 2291891 disclosed " frame-type gag " then is connected into quadra and a spiral handle by diaxon by three metallic plates to be formed.During use gag tongue arm is put into the oral cavity, tooth is entered in the groove, the rotating screw handle retracts the oral cavity.
Chinese patent 2538280 is disclosed to be " medical oral cavity mouth gag ", and it comprises upper lip bumper, lower lip shelves and lip bumper connector, and making up and down, labial teeth exposes effectively.
Though above-mentioned technology can solve patient's the problem of dehiscing, all more complicated that operates, breakdown action is comparatively slow, can not in time open the patient oral cavity or the opening effect is bad, and is bigger to patient's tooth and oral injury.
Summary of the invention
This utility model provides a kind of manual open mouth tongs of lasting maintenance patient's mouth stretching degree simple to operate for solving the technical problem that exists in the known technology.
This utility model for the technical scheme that solves the technical problem that exists in the known technology and take is: it mainly is to be made of jaw, tong arm, handle body frame for a kind of manual open mouth tongs, at the connecting hole of handle body frame rotary left and right tong arm is housed; Jaw is equipped with in the end of left and right tong arm; Left and right tong arm turns the elbow place rotary pulling-on piece is housed; Handle body frame intracavity is provided with the traction straight-tooth, and an end of traction straight-tooth connects two pulling-on pieces with pin, and the other end of traction straight-tooth is provided with back-moving spring; Intermeshing driving gear and tooth sector and stopping device are housed on the handle body frame installing plate; Tooth sector meshes with the tooth bar place of traction straight-tooth bottom; Stopping device withstands on the tooth bar place; Pressure handle is equipped with in the installing plate outside of handle body frame; The pressure handle inboard is positioned at the driving gear place and is provided with the driving gear thrust unit that advances; The inboard centre position of pressure handle is provided with the pressure handle reseting leaf; With screw the other end of pressure handle reseting leaf is fixed on the rearward end of handle body frame with the catch spring circle of handle body frame intracavity.Stopping device is very heavy by retaining, retaining spring, shift fork and reset by constituting.The driving gear thrust unit that advances is that, holddown spring very heavy by advancing constitutes.Jaw is to adopt the bigger titanium steel material of elasticity to make.The jaw outside is provided with the cushion pad of soft material.Tong arm is " V " font and turns the elbow shape.
Advantage and the good effect that the utlity model has are: use manual open mouth tongs of the present invention simple to operate, the oral cavity that makes patient is opened rapidly and is not injured patient's oral cavity, this utility model is reasonable in design, and breakdown action is safe and reliable, can select the size of unlatching according to the patient oral cavity.The operator only needs one-handed performance can finish breakdown action.
Description of drawings
The sketch map that Fig. 1 analyses and observe for assembly structure of the present utility model.
Fig. 2, Fig. 3 are the schematic top plan view of tong arm opening and closing movement of the present utility model.
Fig. 4 is a jaw texture edge cutaway view of the present utility model.
Fig. 5 is this utility model jaw profile sketch map.
Main code name among the figure:
1: jaw, 1 ': cushion pad,
2: left clamp arm, 2 ': right clamp arm,
3: pulling-on piece, 4: the handle body frame,
5: traction straight-tooth, 6: back-moving spring,
7: catch spring circle, 8: tooth sector,
9: driving gear, 10: advance very heavy,
11: holddown spring, 12: reset by,
13: pressure handle, 14: the pressure handle reseting leaf,
15: screw, 16: sliding tray,
17: handle body frame installing plate, 18: the tooth bar place,
19: retaining is very heavy, 20: the retaining spring,
21: shift fork.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Cushion pad (1 ') is equipped with in this utility model jaw (1) outside, jaw (1) is installed in left clamp arm (2) end and right clamp arm (2 ') end respectively, tong arm (2,2 ') turn the elbow place rotating pulling-on piece (3) is housed respectively, and with tong arm (2,2 ') connecting hole be connected with pin with the connecting hole of handle body frame (4), at handle body frame intracavity transportable traction straight-tooth (5) is set, one end of traction straight-tooth (5) is connected with the other end of pulling-on piece (3) with pin, pulling-on piece (3) is slided in the sliding tray (16) of handle body frame (4) end, the other end of traction straight-tooth (5) is equipped with back-moving spring (7), tooth sector (8) and driving gear (9) are housed on the handle body frame installing plate (17), the lower gear rack place (18) of traction straight-tooth and the engagement of the tooth sector (8) on the handle body frame installing plate (17), tooth sector (8) and driving gear (9) engagement.Also be equipped with by retaining very heavy (19), retaining spring (20), shift fork (21) on the handle body frame installing plate (17) and reset by the stopping device that (12) are formed.Pressure handle (13) is equipped with in handle body frame installing plate (17) outside; Pressure handle (13) inboard is provided with driving gear that very heavy by advancing (10), holddown spring (11) the form thrust unit that advances; The inboard centre position of pressure handle (13) is provided with pressure handle reseting leaf (14), with screw (15) other end of reseting leaf (14) is fixed on the rearward end of handle body frame (4) with the catch spring circle (7) of handle body frame intracavity.When needs open the patient oral cavity, jaw (1) is filled in the patient oral cavity, press pressure handle (13), very heavy (10) the promotion driving gears (9) that advance rotate drive tooth sector (8) forward and rotate backward, thereby pulling traction straight-tooth (5) moves backward, traction straight-tooth (5) pulling pulling-on piece (3) moves backward, utilizes retaining very heavy (19) to withstand traction straight-tooth (5) and prevents its return.Make tong arm (2,2 ') finish the action of opening the patient oral cavity.When needs reset, press and reset by (12), make retaining very heavy (19) break away from traction spur rack place (18), retaining very heavy (19) promotes shift fork (21) simultaneously, shift fork (21) promote to advance very heavy (10) make it break away from driving gear (9), draw the elastic force of straight-tooth (5) according to back-moving spring (7) this moment, will draw straight-tooth (5) pushed home, the traction straight-tooth promotes pulling-on piece (3) simultaneously, and tong arm (2,2 ') is set back.Cushion pad (1 ') on the jaw (1) makes patient's tooth directly not contact hard jaw, thereby prevents the damage of patient's tooth.
Claims (6)
1. manual open mouth tongs, it is to be made of jaw, tong arm, handle body frame, it is characterized in that on the connecting hole of handle body frame front end rotary left and right tong arm being housed; Jaw is equipped with in left and right tong arm end; Left and right tong arm turns the elbow place rotary pulling-on piece is housed; Handle body frame intracavity is equipped with the traction straight-tooth; One end of traction straight-tooth connects two pulling-on pieces, and the traction straight-tooth other end is provided with back-moving spring; Intermeshing driving gear and tooth sector and stopping device are housed on the handle body frame installing plate; Tooth sector meshes with the tooth bar place of traction straight-tooth bottom, and stopping device withstands on the tooth bar place; Pressure handle is equipped with in the handle body frame installing plate outside; The driving gear side that is positioned at pressure handle is equipped with the driving gear thrust unit that advances; The pressure handle centre position is provided with the pressure handle reseting leaf; With screw the other end of pressure handle reseting leaf is fixed on the rearward end of handle body frame with the catch spring circle of handle body frame intracavity.
2. a kind of manual open mouth tongs according to claim 1 is characterized in that stopping device is, retaining spring, shift fork very heavy by retaining and resets by constituting.
3. a kind of manual open mouth tongs according to claim 1 is characterized in that the driving gear thrust unit that advances is to promote very heavy, holddown spring to constitute by advancing.
4. a kind of manual open mouth tongs according to claim 1 is characterized in that jaw is to adopt the bigger titanium steel material of elasticity to make.
5. according to claim 1 and 4 described a kind of manual open mouth tongs, it is characterized in that the jaw outside is provided with the cushion pad of removable soft material.
6. a kind of manual open mouth tongs according to claim 1 is characterized in that tong arm is " V " font and turns the elbow shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128933 CN2661098Y (en) | 2003-12-23 | 2003-12-23 | Hand-operated open mouth tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320128933 CN2661098Y (en) | 2003-12-23 | 2003-12-23 | Hand-operated open mouth tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2661098Y true CN2661098Y (en) | 2004-12-08 |
Family
ID=34349896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320128933 Expired - Fee Related CN2661098Y (en) | 2003-12-23 | 2003-12-23 | Hand-operated open mouth tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2661098Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402452A (en) * | 2011-03-11 | 2013-11-20 | 奥林巴斯株式会社 | Medical treatment tool and manipulator |
| CN106859789A (en) * | 2017-03-03 | 2017-06-20 | 杭州口腔医院有限公司 | A kind of repeating type draw hook pincers |
| CN108939239A (en) * | 2018-08-24 | 2018-12-07 | 遵义医学院附属口腔医院 | A kind of medical mouth gag |
-
2003
- 2003-12-23 CN CN 200320128933 patent/CN2661098Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103402452A (en) * | 2011-03-11 | 2013-11-20 | 奥林巴斯株式会社 | Medical treatment tool and manipulator |
| CN106859789A (en) * | 2017-03-03 | 2017-06-20 | 杭州口腔医院有限公司 | A kind of repeating type draw hook pincers |
| CN108939239A (en) * | 2018-08-24 | 2018-12-07 | 遵义医学院附属口腔医院 | A kind of medical mouth gag |
| CN108939239B (en) * | 2018-08-24 | 2024-02-13 | 遵义医学院附属口腔医院 | Medical mouth gag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |