CN113303928B - Mandibular support with multifunctional adjustment for tonsillectomy - Google Patents
Mandibular support with multifunctional adjustment for tonsillectomy Download PDFInfo
- Publication number
- CN113303928B CN113303928B CN202110446215.6A CN202110446215A CN113303928B CN 113303928 B CN113303928 B CN 113303928B CN 202110446215 A CN202110446215 A CN 202110446215A CN 113303928 B CN113303928 B CN 113303928B
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- vertical support
- sliding
- support
- welded
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/16—Bite blocks
Abstract
The invention discloses a mandibular support with multifunctional adjustment for tonsillectomy, relates to the technical field of mandibular supports, and solves the problems that the prior mandibular support for operation is inconvenient to use and adjust due to the fact that the upper half part and the lower half part of an expanding part are required to be operated step by step in sequence manually when caliber intervals are adjusted. The mandibular bracket with the multifunctional adjustment for tonsillectomy comprises a bracket, wherein the bracket is integrally formed by welding left and right L-shaped vertical support rods and two bottom contact plates together, and two vertical support rail shafts are symmetrically welded on the two L-shaped vertical support rods front and back; two drag hooks are symmetrically sleeved on the two groups of transverse support track shafts of the two sliding frames in a sliding mode, and the four drag hooks are used for hooking and expanding the upper jaw and the lower jaw. The four-point gear set can be meshed to drive the four-point cross brace toothed bars and the four-point drag hooks to slide left and right in opposite directions synchronously to adjust the distance, so that the distance between the upper drag hook and the lower drag hook can be operated and adjusted at one time.
Description
Technical Field
The invention relates to the technical field of mandibular stents, in particular to a mandibular stent with multifunctional regulation for tonsillectomy.
Background
The tonsil operation is carried out under general anesthesia, after general anesthesia is successful, the oropharynx is exposed by an opening device, the tonsil to be resected is exposed, the tonsil on one side to be resected is clamped by a surgical instrument clamp, the tonsil is pulled to the opposite side forcefully, the outer boundary of the tonsil is primarily exposed, then a plasma radio frequency tool bit is used for cutting along a tongue palate arch mucous membrane incision layer by layer, until the peripheral system of the tonsil is exposed at the outer back membrane of the tonsil, cutting is carried out between the peripheral system of the tonsil and the tonsil, and finally the lower-level part of the tonsil is completely cut off. The other side tonsil is resected by the same method, the operation is finished, anesthesia is revived, and a mandibular bracket is needed in the operation.
For example, patent number CN201610328391.9 discloses a tonsil removing device, including holding the flat tube of cover that waits to remove the head, the observation tube and with cover flat tube, the excision mechanism of observation tube connection, the pipe diameter of cover flat tube equals with the pipe diameter of observation tube, excision mechanism includes the excision support of being connected with flat tube, the observation tube, the excision sword of setting on the excision support, the excision support is including the roof that connects gradually, the left side board, bottom plate and right side board, be equipped with the protruding first of top and the protruding second of top that lies in protruding first of top, protruding first of top and protruding second of top are all with roof fixed connection, leave the top clearance of sword between protruding first of top and protruding second of top, the width and excision sword width are equal, protruding first of top and protruding second of top's lower surface are the cambered surface, protruding cambered surface and cover flat tube fixed connection of top protruding second cambered surface and observation tube fixed connection. The invention provides a tonsillectomy device which can be used quickly and reduces the chance of bacterial infection.
The upper jaw and the lower jaw of the existing operation mandible support are expanded and supported by manual force, the limited operation of hand force is laborious and inconvenient, the caliber of the left and right space of the upper jaw and the lower jaw of the existing operation mandible support is adjustable, the upper half and the lower half of the expansion and support are manually operated step by step in sequence when the caliber interval is adjusted, the operation is more troublesome and inconvenient, and the operation efficiency is indirectly reduced by occupying two hands.
Disclosure of Invention
The invention aims to provide a mandibular support with multifunctional adjustment for tonsillectomy, which solves the problems that in the background art, the upper half part and the lower half part of an expanding part are required to be operated step by step in sequence manually when caliber intervals are adjusted, the adjustment is more troublesome, the operation is inconvenient, and the extraction efficiency of the operation is indirectly reduced due to the occupation of both hands.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a mandibular support with multi-functional regulation for tonsillectomy, includes the support, the support includes perpendicular support rail axle, erects and prop locating plate and square locating sleeve, the whole of support is by two left and right sides form erects prop branch and two bottom contact plates welds the constitution jointly, wherein two place L form erects prop the branch and all be the fore-and-aft symmetry welding and have two perpendicular support rail axles, and this is all to prop the rail axle on the place and push up the symmetrical slip cover through the spring and be equipped with two and step on and draw the frame, and wherein the front side steps on and draws the length of frame and is shorter than the rear side and steps on and draw the length of frame; two vertical support positioning plates are symmetrically welded at the head ends of the L-shaped vertical support supporting rods at the two positions of the support, and square positioning sleeves are symmetrically welded at the upper and lower ends of the two vertical support positioning plates; two vertical support driving rods are symmetrically arranged on the left and right outer sides of the two vertical support positioning plates in a penetrating and sliding manner, two sliding grooves are symmetrically formed in the two vertical support positioning plates in a penetrating manner, and two sliding frames are symmetrically arranged in the upper sliding groove and the lower sliding groove; two drag hooks are symmetrically sleeved on the two groups of transverse support track shafts of the two sliding frames in a sliding manner, and the four drag hooks are used for hooking and expanding the upper jaw and the lower jaw; the vertical support driving rod comprises a transverse support connecting frame, one transverse support connecting frame is welded at the bottom of the vertical support driving rod, and the transverse support connecting frame is welded and fixed with the front side stepping frame.
Preferably, the support comprises a transmission gear and L-shaped plug-in components, two L-shaped plug-in components are inserted into the bottom sections of two L-shaped vertical support rods of the support through spring pushing, a poking shaft is welded to the outer transverse support at the bottoms of the two L-shaped plug-in components, and two transmission gears are symmetrically inserted into the middle of the horizontal sections of the two L-shaped vertical support rods in a rotating mode.
Preferably, the sliding frame comprises a rack and a soil-shaped sliding block, the sliding frame is integrally formed by welding two transverse supporting track shafts and two vertical supporting racks at the left end and the right end, the middle section of each four racks is welded with two soil-shaped sliding blocks forwards, and the four soil-shaped sliding blocks are correspondingly in sliding fit with four sliding grooves on two vertical supporting positioning plates.
Preferably, the racks are arranged at intervals from top to bottom, and the racks are in meshed contact with the two transmission gears correspondingly from inside to outside.
Preferably, the bracket further comprises gear sets, four gear sets are symmetrically arranged on the left and right outer sides of the upper end section and the lower end section of the vertical support positioning plate in a rotating mode, and rear gears on the four gear sets are correspondingly meshed and contacted with the upper row of teeth and the lower row of teeth on the two vertical support driving rods.
Preferably, the drag hook comprises a vertical bracing square rod and a transverse bracing toothed rod, wherein the top end of the drag hook is welded with the vertical bracing square rod everywhere, and the transverse bracing toothed rod is sleeved on the vertical bracing square rod everywhere in a sliding manner.
Preferably, the four cross bracing tooth bars are correspondingly in sliding fit with the four square positioning sleeves, and the four cross bracing tooth bars are correspondingly in meshed contact with the front side gears of the four gear sets.
Preferably, the step-on frame comprises a positioning toothed bar, two rear convex supporting bars are symmetrically welded at the bottom of the sliding frame at the bottom side, the two rear convex supporting bars are correspondingly welded and fixed with the step-on frame at the rear side, one positioning toothed bar is vertically welded on the left and right outer sliding sleeves at the bottom of the two step-on frames, and the head end beveling sections of the two L-shaped plug-ins are correspondingly matched with the two positioning toothed bars in an inserting manner.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the two L-shaped plug-ins can be inserted and positioned to position the two positioning toothed bars, so that the four drag hooks are kept in the use state of up-down expanding and left-right sliding adjustment, and through the two poking shafts on the two L-shaped plug-ins, medical staff can push and drive the two L-shaped plug-ins to slide and loosen by using the force of feet, thereby avoiding occupying two hands in operation;
2. the four-point gear set can be meshed to drive the four-point cross brace toothed bars and the four-point drag hooks to synchronously slide left and right in opposite directions to adjust the distance, so that the distance between the upper drag hook and the lower drag hook can be operated and adjusted once, the trouble of sequential stepwise adjustment is avoided, and the use is convenient and quick;
3. according to the invention, the front side treading frame is matched with springs on two vertical supporting rail shafts on the front side for use, and the two vertical supporting driving rods can be driven to slide up and down by adopting the treading force to provide power for sliding adjustment of left and right intervals of four drag hooks, so that the occupation of two hands in operation can be avoided, the two hands are focused on the operation, and the tonsil extirpation efficiency is indirectly improved;
4. according to the invention, the rear side treading frame is matched with the springs on the two vertical supporting rail shafts at the rear side for use, and the treading force can be adopted to drive the two sliding frames to slide oppositely to provide expanding and dragging pulling force for the four drag hooks.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the front side of the present invention;
FIG. 3 is a schematic view of the structure of the bracket of the present invention;
FIG. 4 is a schematic view of the present invention in a four-position retractor;
FIG. 5 is a schematic view of two vertical bracing driving rods according to the present invention;
FIG. 6 is a schematic view of a carriage structure according to the present invention;
FIG. 7 is an enlarged schematic view of the portion A of FIG. 1 according to the present invention;
FIG. 8 is an enlarged schematic view of the portion B of FIG. 3 according to the present invention;
in the figure, the correspondence between the component names and the drawing numbers is:
1. a bracket; 101. vertically supporting a rail shaft; 102. a vertical support positioning plate; 103. square positioning sleeve; 104. a transmission gear; 105. an L-shaped insert; 106. a gear set; 2. a carriage; 201. a rack; 202. a soil-shaped sliding block; 3. a drag hook; 301. vertical bracing square rods; 302. a cross brace rack bar; 4. stepping on the frame; 401. positioning a toothed bar; 5. a vertical support driving rod; 501. and a cross brace connecting frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention provides: the utility model provides a mandibular support with multi-functional regulation for tonsillectomy, including support 1, support 1 includes erectly props track axle 101, erects locating plate 102 and square locating sleeve 103, support 1 wholly by two left and right sides form erectly prop branch and two bottom contact plates weld together and constitute, wherein two place L form erectly prop the branch and weld two places erectly prop track axle 101 around being on, install two places on this erectly prop track axle 101 through the symmetrical slip cover of spring pushing and trample and draw frame 4, wherein the front side tramples and draw the length of frame 4 and be shorter than the rear side tramples and draw the length of frame 4; two vertical support positioning plates 102 are symmetrically welded at the head ends of the L-shaped vertical support struts of the bracket 1, and square positioning sleeves 103 are symmetrically welded at the upper end and the lower end of the vertical support positioning plates 102; two vertical support driving rods 5 are symmetrically arranged on the left and right outer sides of the two vertical support positioning plates 102 in a penetrating and sliding way, two sliding grooves are symmetrically arranged on the two vertical support positioning plates 102 in a penetrating way, and two sliding frames 2 are symmetrically arranged in the upper sliding groove and the lower sliding groove; two drag hooks 3 are symmetrically sleeved on two groups of transverse support track shafts of the two sliding frames 2 in a sliding manner, and the four drag hooks 3 are used for hooking and expanding upper and lower jaws; the vertical support driving rod 5 comprises a transverse support connecting frame 501, the bottoms of the two vertical support driving rods 5 are welded with a transverse support connecting frame 501, and the transverse support connecting frame 501 and the front side stepping frame 4 are welded and fixed together; the upper and lower racks 201 are arranged at intervals in the front-back direction, the inside and outside of the racks 201 are correspondingly meshed and contacted with the two transmission gears 104, and the two sliding frames 2 and the four drag hooks 3 on the sliding frames can slide oppositely and synchronously through the two transmission gears 104; the bracket 1 further comprises gear sets 106, four gear sets 106 are symmetrically arranged on the left and right outer sides of the upper end section and the lower end section of the two vertical support positioning plates 102 in a rotating mode, rear side gears on the four gear sets 106 are correspondingly in meshed contact with the upper row of teeth plates and the lower row of teeth plates on the two vertical support driving rods 5, and the two vertical support driving rods 5 can slide up and down to be meshed to drive the four gear sets 106 to rotate so as to provide driving force for the left and right opposite sliding of the four transverse support toothed rods 302; the drag hook 3 comprises a vertical bracing square rod 301 and a horizontal bracing toothed rod 302, wherein the top end of the drag hook 3 is welded with the vertical bracing square rod 301 everywhere, the horizontal bracing toothed rod 302 is sleeved on the vertical bracing square rod 301 everywhere in a sliding manner, and the left-right spacing of the drag hook 3 everywhere can be adjusted in a sliding manner so as to be suitable for hooking and pulling oral cavities of different sizes of different crowds.
Further, the four-way cross brace toothed bar 302 is correspondingly in sliding fit with the four-way square positioning sleeve 103, the four-way cross brace toothed bar 302 is correspondingly in meshed contact with the front side gear of the four-way gear set 106, the four-way gear set 106 can be meshed to drive the four-way cross brace toothed bar 302 and the four-way drag hook 3 to synchronously slide left and right in opposite directions to adjust the distance, so that the distance between the upper drag hook 3 and the lower drag hook 3 can be operated and adjusted at one time, the trouble of sequential step adjustment is omitted, and the use is convenient and quick.
Further, the support 1 further comprises a transmission gear 104 and an L-shaped plug-in 105, two L-shaped plug-in 105 are inserted into the bottom sections of two L-shaped vertical support poles of the support 1 through spring pushing, one shifting shaft is welded to the outer transverse support at the bottoms of the two L-shaped plug-in 105, two transmission gears 104 are symmetrically inserted into the middle of the horizontal sections of the two L-shaped vertical support poles in a rotating mode, and through the two shifting shafts on the two L-shaped plug-in 105, medical staff can push the two L-shaped plug-in 105 to slide and loosen by utilizing foot force pushing, so that double hands in an operation are prevented from being occupied.
Further, the sliding frame 2 comprises a rack 201 and a soil-shaped sliding block 202, the sliding frame 2 is integrally formed by welding two transverse supporting track shafts and two vertical supporting racks 201 at the left end and the right end together, the middle sections of the four racks 201 are all welded with the two soil-shaped sliding blocks 202 forwards, the four soil-shaped sliding blocks 202 are correspondingly matched with four sliding grooves on the two vertical supporting positioning plates 102 in a sliding manner, and the two sliding frames 2 can slide along the four sliding grooves on the two vertical supporting positioning plates 102 through the four soil-shaped sliding blocks 202, so that the four drag hooks 3 are expanded up and down.
Further, the pull frame 4 comprises a positioning toothed bar 401, two rear convex supporting rods are symmetrically welded at the bottom of the bottom sliding frame 2, the two rear convex supporting rods are correspondingly welded and fixed with the pull frame 4 at the rear side, one positioning toothed bar 401 is vertically supported and welded on the left and right outer sliding sleeves at the bottom of the two pull frame 4, the head beveled sections of the two L-shaped plug 105 are correspondingly matched with the two positioning toothed bars 401 in an inserting manner, the two L-shaped plug 105 can be inserted and positioned with the two positioning toothed bars 401, the four-point drag hook 3 is kept in a use state of up-and-down expansion and left-and-right sliding adjustment, the two rear convex supporting rods are matched with springs on the two vertical supporting track shafts 101 at the front side together for use, the two vertical supporting driving rods 5 can be driven by the foot pedal force to provide power for the sliding adjustment of the left and right spacing of the four-point drag hook 3, the two hands can be prevented from being occupied by the hands in operation, the two hands are focused on operation, the efficiency of the body can be indirectly improved, and the two hand can be pulled out of the two opposite hand support shafts 101 through the rear side pull frame 4 and the two opposite side pull frame 3 by matching with the two vertical supporting shafts, and the two opposite pulling shafts can be driven by the pull frame 3 to provide more effort by the force to the two opposite hand pulling shafts.
Working principle: through the four-point soil-shaped sliding blocks 202, the two sliding frames 2 can slide along four sliding grooves on the two vertical supporting positioning plates 102, through the two transmission gears 104, the two sliding frames 2 and four drag hooks 3 on the two sliding frames 2 can slide synchronously in opposite directions, through the rear-side stepping frame 4 and the combination of springs on the two vertical supporting rail shafts 101 on the rear side, the two sliding frames 2 can be driven to slide in opposite directions by adopting stepping force to provide expanding and dragging force for the four drag hooks 3;
the two vertical bracing driving rods 5 can slide up and down to be meshed with each other to drive the four gear sets 106 to rotate, so as to provide driving force for the left and right opposite sliding of the four transverse bracing toothed bars 302, the four gear sets 106 can be meshed to drive the four transverse bracing toothed bars 302 and the four draw hooks 3 to slide left and right opposite synchronously to adjust the distance, the device is applicable to hooking and pulling different oral cavities of different sizes of people, the device is used together with springs on the two vertical bracing rail shafts 101 on the front side through the front side stepping frame 4, and the device can adopt stepping force to slide up and down to drive the two vertical bracing driving rods 5 to provide power for the sliding adjustment of the left and right distance of the four draw hooks 3;
the two L-shaped plug-in units 105 can be inserted into and positioned on the two positioning toothed bars 401, so that the four-position drag hook 3 is kept in a use state of up-down expanding and left-right sliding adjustment, and through the two poking shafts on the two L-shaped plug-in units 105, medical staff can push and drive the two L-shaped plug-in units 105 to slide and loosen by utilizing the force of feet, thereby avoiding occupying hands in operation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. A mandibular stent with multifunctional adjustment for tonsillectomy, characterized in that: the support comprises a support (1), wherein the support (1) comprises a vertical support track shaft (101), a vertical support positioning plate (102) and a square positioning sleeve (103), the support (1) is integrally formed by welding left and right L-shaped vertical support struts and bottom two contact floors together, wherein the two L-shaped vertical support struts are symmetrically welded with the two vertical support track shafts (101) front and back, the four vertical support track shafts (101) are symmetrically sleeved with two stepping frames (4) through spring pushing and sliding, and the front stepping frames (4) are shorter than the rear stepping frames (4); two vertical support positioning plates (102) are symmetrically welded at the head ends of the L-shaped vertical support supporting rods of the support (1), and square positioning sleeves (103) are symmetrically welded at the upper end and the lower end of the two vertical support positioning plates (102); two vertical support driving rods (5) are symmetrically arranged on the left and right outer sides of the two vertical support positioning plates (102) in a penetrating and sliding way, two sliding grooves are symmetrically arranged on the two vertical support positioning plates (102) in a penetrating way, and two sliding frames (2) are symmetrically arranged in the upper sliding groove and the lower sliding groove; two drag hooks (3) are symmetrically sleeved on two groups of transverse support track shafts of the two sliding frames (2) in a sliding manner, and the drag hooks (3) are used for hooking and expanding upper and lower jaws; the vertical support driving rods (5) comprise transverse support connecting frames (501), the bottoms of the two vertical support driving rods (5) are welded with one transverse support connecting frame (501), and the transverse support connecting frames (501) are welded and fixed with the front side stepping frame (4);
the support (1) further comprises a transmission gear (104) and an L-shaped insert (105), wherein two L-shaped inserts (105) are inserted into the bottom sections of two L-shaped vertical support rods of the support (1) through spring pushing, a poking shaft is welded at the bottoms of the two L-shaped inserts (105) to the outer transverse support, and two transmission gears (104) are symmetrically inserted into the middle of the horizontal sections of the two L-shaped vertical support rods in a rotating mode;
the sliding frame (2) comprises racks (201) and soil-shaped sliding blocks (202), the sliding frame (2) is integrally formed by welding two transverse support track shafts and two vertical support racks (201) at the left end and the right end together, the middle sections of the four racks (201) are welded with two soil-shaped sliding blocks (202) forwards, and the four soil-shaped sliding blocks (202) are correspondingly in sliding fit with four sliding grooves on two vertical support positioning plates (102);
the racks (201) are arranged at intervals in the front-back direction, and the inside and outside of the racks (201) are correspondingly meshed with the two transmission gears (104);
the bracket (1) further comprises gear sets (106), four gear sets (106) are symmetrically arranged on the left and right outer sides of the upper end section and the lower end section of the vertical support positioning plate (102) in a rotating mode, and rear gears on the four gear sets (106) are correspondingly meshed and contacted with the upper row of teeth and the lower row of teeth on the two vertical support driving rods (5);
the drag hook (3) comprises a vertical support square rod (301) and a transverse support toothed rod (302), wherein the top end of the drag hook (3) is welded with one vertical support square rod (301) everywhere, and the transverse support toothed rod (302) is sleeved on the four vertical support square rods (301) in a sliding manner;
the four cross bracing tooth bars (302) are correspondingly in sliding fit with the square positioning sleeves (103), and the four cross bracing tooth bars (302) are correspondingly in meshed contact with the front side gears of the four gear sets (106);
the pedal frame (4) comprises a positioning toothed bar (401), two rear convex supporting rods are symmetrically welded at the bottom of the sliding frame (2), the two rear convex supporting rods are correspondingly welded and fixed with the pedal frame (4) at the rear side, one positioning toothed bar (401) is vertically welded on each of left and right outer sliding sleeves at the bottom of the pedal frame (4), and the head end oblique cutting sections of the two L-shaped plug-ins (105) are correspondingly matched with the two positioning toothed bars (401) in an inserting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446215.6A CN113303928B (en) | 2021-04-25 | 2021-04-25 | Mandibular support with multifunctional adjustment for tonsillectomy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446215.6A CN113303928B (en) | 2021-04-25 | 2021-04-25 | Mandibular support with multifunctional adjustment for tonsillectomy |
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| Publication Number | Publication Date |
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| CN113303928A CN113303928A (en) | 2021-08-27 |
| CN113303928B true CN113303928B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110446215.6A Active CN113303928B (en) | 2021-04-25 | 2021-04-25 | Mandibular support with multifunctional adjustment for tonsillectomy |
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| KR100976043B1 (en) * | 2010-03-05 | 2010-08-17 | 이채붕 | Articulator |
| CN205400341U (en) * | 2016-03-07 | 2016-07-27 | 长安大学 | Foot -operated linkage door |
| CN105796157A (en) * | 2016-05-18 | 2016-07-27 | 邹燕燕 | Tonsil extirpating device |
| EP3476274A1 (en) * | 2017-10-27 | 2019-05-01 | Fondazione Irccs "Ca Granda - Ospedale Maggiore Policlinico" | Improved surgical mouth gag |
| CN110051392A (en) * | 2019-03-19 | 2019-07-26 | 中国人民解放军总医院 | It is a kind of for strutting the device of remporomandibular joint |
| CN210811614U (en) * | 2019-08-05 | 2020-06-23 | 郑州市中心医院 | Lower jaw support frame for clinical anesthesia |
| CN111452169A (en) * | 2020-03-25 | 2020-07-28 | 杨莉 | Billiard cue back section winding device |
| CN111844151A (en) * | 2020-07-21 | 2020-10-30 | 陈思 | Cutting device is assisted to environmental protection material for construction |
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2021
- 2021-04-25 CN CN202110446215.6A patent/CN113303928B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100976043B1 (en) * | 2010-03-05 | 2010-08-17 | 이채붕 | Articulator |
| CN205400341U (en) * | 2016-03-07 | 2016-07-27 | 长安大学 | Foot -operated linkage door |
| CN105796157A (en) * | 2016-05-18 | 2016-07-27 | 邹燕燕 | Tonsil extirpating device |
| EP3476274A1 (en) * | 2017-10-27 | 2019-05-01 | Fondazione Irccs "Ca Granda - Ospedale Maggiore Policlinico" | Improved surgical mouth gag |
| CN110051392A (en) * | 2019-03-19 | 2019-07-26 | 中国人民解放军总医院 | It is a kind of for strutting the device of remporomandibular joint |
| CN210811614U (en) * | 2019-08-05 | 2020-06-23 | 郑州市中心医院 | Lower jaw support frame for clinical anesthesia |
| CN111452169A (en) * | 2020-03-25 | 2020-07-28 | 杨莉 | Billiard cue back section winding device |
| CN111844151A (en) * | 2020-07-21 | 2020-10-30 | 陈思 | Cutting device is assisted to environmental protection material for construction |
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| Publication number | Publication date |
|---|---|
| CN113303928A (en) | 2021-08-27 |
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