CN113069067A - Mouth mirror with vibration feedback and using method thereof - Google Patents
Mouth mirror with vibration feedback and using method thereof Download PDFInfo
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- CN113069067A CN113069067A CN202110331009.0A CN202110331009A CN113069067A CN 113069067 A CN113069067 A CN 113069067A CN 202110331009 A CN202110331009 A CN 202110331009A CN 113069067 A CN113069067 A CN 113069067A
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- circuit board
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005452 bending Methods 0.000 claims abstract description 44
- 239000003292 glue Substances 0.000 claims abstract description 4
- 210000000214 mouth Anatomy 0.000 claims description 48
- 230000008859 change Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims 3
- 230000035939 shock Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00055—Operational features of endoscopes provided with output arrangements for alerting the user
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
The invention relates to a mouth mirror with vibration feedback and a using method thereof, the mouth mirror comprises a mouth mirror body, wherein an arc-shaped cover is arranged on the upper surface of the middle part of the mouth mirror body through a countersunk head screw; the structure of the mouth mirror body is as follows: the mirror support comprises a handle, wherein a miniature vibration motor is arranged inside the handle, a screw plug is arranged at one end of the handle, a support rod is welded at the other end of the handle, the upper surface of the support rod is an installation plane, a mirror support is welded at the bottom of the support rod, and a mirror surface is arranged in the mirror support; the mounting structure is characterized in that a circuit board is fixed on the mounting plane, a button battery, a tension increasing button and a tension reducing button are arranged on the circuit board, the bottom of the circuit board is connected with bending strain gauges through two lower cables, the bending strain gauges are adhered to the bottom of the mounting plane through glue, and the top of the circuit board is connected with the miniature vibration motor through two upper cables. Greatly improves the use reliability, protects the patient and reduces the pain.
Description
Technical Field
The invention relates to the technical field of oral medical instruments, in particular to an odontoscope with vibration feedback and a using method thereof.
Background
When a dentist in an oral cavity treats teeth of a patient, the dentist usually adopts a mouth mirror to observe tooth surfaces which cannot be seen directly, and simultaneously uses the mouth mirror head to draw cheek parts, mucous membranes or tongues of the patient, so that the doctor can see the tooth surfaces covered by soft tissues.
Disclosure of Invention
The applicant provides the mouth mirror with the vibration feedback and the using method thereof aiming at the defects in the prior art, so that the mouth mirror has the functions of tension feedback, tension adjustment and vibration prompt, the excessive traction of the mouth and the corner of a patient is avoided, the use reliability is greatly improved, the patient is protected, and the pain is reduced.
The technical scheme adopted by the invention is as follows:
a mouth mirror with vibration feedback comprises a mouth mirror body, wherein an arc-shaped cover is arranged on the upper surface of the middle part of the mouth mirror body through a countersunk head screw;
the structure of the mouth mirror body is as follows: the mirror support comprises a handle, wherein a miniature vibration motor is arranged inside the handle, a screw plug is arranged at one end of the handle, a support rod is welded at the other end of the handle, the upper surface of the support rod is an installation plane, a mirror support is welded at the bottom of the support rod, and a mirror surface is arranged in the mirror support; the mounting structure is characterized in that a circuit board is fixed on the mounting plane, a button battery, a tension increasing button and a tension reducing button are arranged on the circuit board, the bottom of the circuit board is connected with bending strain gauges through two lower cables, the bending strain gauges are adhered to the bottom of the mounting plane through glue, and the top of the circuit board is connected with the miniature vibration motor through two upper cables.
As a further improvement of the above technical solution:
the handle and the support rod are welded together end to end.
And four corners of the mounting plane are respectively provided with a screw hole.
The structure of arc lid does: including being curved lid, open respectively on four angles of lid has the screw mounting hole, it has two button holes that correspond with tension increase button and tension reduction button to open on the lid.
The structure of the screw plug is as follows: the end cover comprises a cylindrical structure, the top surface of the end cover is provided with a protrusion, the outer circumferential surface of the protrusion is provided with an external thread, the middle of the top surface of the protrusion is provided with a convex top column, and the end cover, the protrusion and the top column are coaxial.
The structure of the handle is as follows: the novel handle comprises a cylindrical handle, the middle of the cylindrical handle is of a hollow structure, an internal thread is arranged at one end of an inner hole of the cylindrical handle, and an inner elliptical hole is formed in the inner hole of the cylindrical handle beside the internal thread.
A using method of an odontoscope with vibration feedback comprises the following steps:
the tension increasing button or the tension decreasing button is first manually adjusted according to the age of the patient,
after the adjustment is finished, the mouth mirror is put into the mouth of a patient for oral cavity internal observation and mouth corner traction,
when the pulling force of the mouth angle is larger than the set value in the operation process of the doctor,
the bottom of bracing piece can produce slight bending deformation, and this bending deformation can lead to crooked foil gage to produce corresponding bending deformation, and crooked foil gage bending deformation can cause the bridge voltage to produce the change, and the circuit board can real-time supervision value of this change, and when this numerical value surpassed the tension button set value, the miniature vibrations motor vibrations of circuit board can control, and this vibrations pass through the handle and transmit to doctor's finger on, the suggestion doctor appropriately relaxs the handle, until vibrations feedback disappears.
The tension of the fingers of the doctor is in the range of 8-20N.
The bridge voltage value of the bending strain gauge is 1-2.5 mv.
The invention has the following beneficial effects:
the mouth mirror has a compact and reasonable structure, is convenient to operate, has the functions of tension feedback, tension adjustment and vibration prompt by arranging the components such as the miniature vibration motor, the circuit board, the bending strain gauge and the like in the mouth mirror body, prevents the corners of the mouth of a patient from being excessively drawn, greatly improves the use reliability, protects the patient and reduces the pain.
The bending strain gauge measuring method is adopted, the bridge voltage of the bending strain gauge of the stomatoscope supporting rod in the actual operation process of a stomatologist is monitored in real time, and through real-time comparison of the circuit board, when the bridge voltage value of the bending strain gauge exceeds a set value, the handle of the stomatoscope is driven to vibrate so as to prompt the doctor to appropriately prevent the handle from being loosened, and the problem that the patient is uncomfortable or painful due to excessive traction of the mouth angle is well solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the present invention (the arc cover is omitted).
Fig. 3 is a top view (full sectional view) of the present invention.
Fig. 4 is a schematic structural view of the arc cover of the present invention.
Fig. 5 is a schematic structural view of the plug screw of the present invention.
Fig. 6 is a schematic view of the structure of the handle of the present invention (showing the internal structure).
Fig. 7 is a front view of the present invention.
Wherein: 1. an odontoscope body; 2. an arc-shaped cover; 3. countersunk head screws;
101. a plug screw; 102. a micro vibration motor; 103. a handle; 104. a support bar; 105. a mounting plane; 106. a circuit board; 107. a bending strain gauge; 108. a lens holder; 109. a mirror surface; 110. screw holes; 111. cabling; 112. a button cell; 113. a tension increasing button; 114. a tension reduction button; 115. a cable is arranged;
10101. an end cap; 10102. an external thread; 10103. a top pillar;
10301. a cylindrical handle; 10302. an inner elliptical hole; 10303. an internal thread;
201. a cover body; 202. a screw mounting hole; 203. and (6) a button hole.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-7, the mouth mirror with vibration feedback of the present embodiment includes a mouth mirror body 1, wherein an arc-shaped cover 2 is mounted on the upper surface of the middle part of the mouth mirror body 1 through a countersunk screw 3;
the structure of the mouth mirror body 1 is as follows: the multifunctional mirror comprises a handle 103, wherein a micro vibration motor 102 is arranged inside the handle 103, a screw plug 101 is arranged at one end of the handle 103, a support rod 104 is welded at the other end of the handle 103, the upper surface of the support rod 104 is an installation plane 105, a mirror support 108 is welded at the bottom of the support rod 104, and a mirror surface 109 is arranged in the mirror support 108; the circuit board 106 is fixed on the mounting plane 105, the button battery 112, the tension increasing button 113 and the tension reducing button 114 are arranged on the circuit board 106, the bottom of the circuit board 106 is connected with the bending strain gauge 107 through two lower cables 115, the bending strain gauge 107 is adhered to the bottom of the mounting plane 105 through glue, and the top of the circuit board 106 is connected with the micro-vibration motor 102 through two upper cables 111.
The handle 103 and the support rod 104 are welded together end to end.
Screw holes 110 are formed at four corners of the mounting plane 105, respectively.
The arc-shaped cover 2 has the following structure: the tension-increasing and tension-reducing cover comprises an arc-shaped cover body 201, wherein screw mounting holes 202 are formed in four corners of the cover body 201 respectively, and two button holes 203 corresponding to a tension-increasing button 113 and a tension-reducing button 114 are formed in the cover body 201.
The structure of the plug screw 101 is: the end cover 10101 comprises a cylindrical structure, a protrusion is arranged on the top surface of the end cover 10101, external threads 10102 are arranged on the outer circumferential surface of the protrusion, a protruding top pillar 10103 is arranged in the middle of the top surface of the protrusion, and the end cover 10101, the protrusion and the top pillar 10103 are coaxial.
The handle 103 has a structure that: the hollow cylindrical handle 10301 is hollow, an inner thread 10303 is arranged at one end of an inner hole of the cylindrical handle 10301, and an inner elliptical hole 10302 is formed in the inner hole of the cylindrical handle 10301 beside the inner thread 10303.
The use method of the mouth mirror with vibration feedback of the embodiment comprises the following steps:
the tension increasing button 113 or the tension decreasing button 114 is first manually adjusted according to the age of the patient,
after the adjustment is finished, the mouth mirror is put into the mouth of a patient for oral cavity internal observation and mouth corner traction,
when the pulling force of the mouth angle is larger than the set value in the operation process of the doctor,
the bottom of the support rod 104 will generate slight bending deformation, which will cause the bending strain gauge 107 to generate corresponding bending deformation, the bending deformation of the bending strain gauge 107 will cause the bridge voltage to change, the circuit board 106 will monitor the value of the change in real time, when the value exceeds the set value of the tension button, the circuit board 106 will control the micro-vibration motor 102 to vibrate, and the vibration is transmitted to the fingers of the doctor through the handle 103, prompting the doctor to appropriately release the handle 103 until the vibration feedback disappears.
The tension of the fingers of the doctor is in the range of 8-20N.
The bridge voltage value of the bending strain gage 107 is 1-2.5 mv.
As shown in FIG. 7, the surgeon has finger tension at handle 103, F;
the bottom of the handle 103 is a doctor finger support point O;
the force applied at the odontoscope is an oral angle pulling force;
the region where the bending strain gauge 107 is deformed is M.
The doctor's finger tension F can be calculated by the following formula:
f: finger tension of doctor
ey: bridge voltage of bending strain gauge measured by circuit board
E: modulus of elasticity of the support rod
IZ: moment of inertia of cross section of support rod to neutral axis
e0: bridge supply DC voltage of bending strain gauge
S: sensitivity value of bending strain gauge
y: distance between the pasting bottom surface of the strain gauge and the neutral axis of the support rod
According to the test, the following results can be obtained:
| age group | Doctor finger tension (F) | Bridge voltage (e)y) |
| Children (3-6 years old) | 8N-10N | 1mV-1.25mV |
| Children (7-14 years old) | 11N-14N | 1.375mV-1.75mV |
| Adult (14+ year old) | 15N-20N | 1.875mV-2.5mV |
When children (3-6 years old) are treated in the oral cavity, a doctor manually adjusts the tension increasing button 113 or the tension reducing button 114 to be adjusted to be within the range of 8N-10N, the set value of the bridge voltage of the corresponding bending strain gauge 107 is 1mV-1.25mV, then when the measured bridge voltage of the bending strain gauge 107 exceeds the voltage range during the treatment of the children, the tension of the fingers of the doctor is indicated to be out of the preset range, the circuit board 106 controls the micro vibration motor 102 to vibrate, and the vibration is transmitted to the fingers of the stomatologist through the handle 103 to prompt the doctor to appropriately relax the handle until the vibration feedback disappears.
The specific structure and function of the invention are as follows:
the invention mainly comprises a mouth mirror body 1, an arc-shaped cover 2 and a countersunk screw 3.
The mouth mirror body 1 mainly comprises a screw plug 101, a micro vibration motor 102, a handle 103, a support rod 104, a mounting plane 105, a circuit board 106, a bending strain gauge 107, a mirror support 108, a mirror face 109, a screw hole 110, an upper cable 111, a button cell 112, a tension increasing button 113, a tension reducing button 114 and a lower cable 115.
The arc cover 2 mainly includes a cover body 201 having an arc cross section, four screw mounting holes 202, and two button holes 203. Four screw mounting holes 202 are provided at four corners of the cover body 201, and two button holes 203 are provided at an upper middle portion of the arc surface of the cover body 201.
The plug screw 101 mainly comprises an end cover 10101, an external thread 10102 and a top column 10103, and the three components are coaxial.
The handle 103 is cylindrical in shape and mainly comprises a cylindrical handle 10301, an inner elliptical hole 10302 and an inner threaded hole 10303. The inner elliptical hole 10302 and the inner threaded hole 10303 are connected end to end and have the same axis as the cylindrical handle 10301.
As shown in fig. 1, four countersunk head screws 3 are screwed into the screw holes 110 of the mirror body 1 through four screw mounting holes 202 of the arc cover 2 to fix the arc cover 2 to the mirror body 1, and the tension increasing button 113 and the tension decreasing button 114 of the mirror body 1 are exposed through two button holes 203 of the arc cover 2 to facilitate manual adjustment of the tension.
As shown in fig. 2 and 3, the handle 103 and the support rod 104 are welded end to end, the upper end surface of the support rod 104 is provided with a mounting plane 105, the bottom of the support rod 104 is welded with a mirror holder 108, and a mirror surface 109 is mounted in the mirror holder 108. The circuit board 106 and the bending strain gauge 107 are glued on the mounting plane 105 on the upper end face of the support rod 104, the button cell 112 is tightly hooped on the middle upper part of the circuit board 106, the tension increasing button 113 and the tension reducing button 114 are positioned in the middle of the circuit board 106, the bending strain gauge 107 is connected to the bottom end of the circuit board 106 through two lower cables 115, the top end of the circuit board 106 is connected with two upper cables 111, the two upper cables 111 penetrate through an inner elliptical hole 10302 of the handle 103 and then are connected to the micro-vibration motor 102, the micro-vibration motor 102 is positioned in an inner threaded hole 10303 of the handle 103, and the screw plug 101 is in threaded fit with the inner threaded hole 10303 of the handle 103 through an outer thread 10102 until the top column 10103 of the screw plug 101 tightly supports and fixes the micro-vibration motor.
In the actual use process:
when a dentist needs to use an oral mirror to draw the mouth angle during the process of carrying out the dental treatment in the oral cavity of a patient, the dentist manually adjusts the tension increasing button 113 or the tension reducing button 114 on the oral mirror according to the age of the patient in advance so as to adapt to the mouth angle drawing tolerance of the patient with different ages. After the adjustment is finished, the mouth mirror is placed in the mouth of a patient to carry out oral cavity internal observation and mouth angle traction, when the mouth angle traction force is too large due to carelessness of a doctor or other oral cavity operations, the supporting rod 104 can generate slight bending deformation, the bending deformation can cause the bending strain gauge 107 glued on the mounting plane 105 to generate corresponding bending deformation, the bending deformation of the bending strain gauge 107 can cause large change of a bridge voltage value, the circuit board 106 can monitor the changed bridge voltage value in real time, when the value exceeds a set value of a tension button, the circuit board 106 can control the micro vibration motor 102 to vibrate, and the vibration is transmitted to fingers of an oral surgeon through the handle 103 to prompt the doctor to appropriately relax the handle until vibration feedback disappears.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (9)
1. The utility model provides a take oroscope of vibrations feedback which characterized in that: the stomatoscope comprises a stomatoscope body (1), wherein an arc-shaped cover (2) is arranged on the upper surface of the middle part of the stomatoscope body (1) through a sunk screw (3);
the structure of the mouth mirror body (1) is as follows: the multifunctional glasses comprise a handle (103), wherein a micro vibration motor (102) is installed inside the handle (103), a screw plug (101) is installed at one end of the handle (103), a supporting rod (104) is welded at the other end of the handle, the upper surface of the supporting rod (104) is a mounting plane (105), a glasses support (108) is welded at the bottom of the supporting rod (104), and a mirror surface (109) is installed in the glasses support (108); be fixed with circuit board (106) on mounting plane (105), be provided with button cell (112), tension increase button (113) and tension on circuit board (106) and reduce button (114), crooked foil gage (107) are connected through two lower cables (115) in the bottom of circuit board (106), crooked foil gage (107) are glued in the bottom position of mounting plane (105) through glue, the top of circuit board (106) is through two last cables (111) connection miniature shock motor (102).
2. The oroscope with vibration feedback of claim 1, wherein: the handle (103) and the support rod (104) are welded together end to end.
3. The oroscope with vibration feedback of claim 1, wherein: screw holes (110) are respectively formed at four corners of the mounting plane (105).
4. The oroscope with vibration feedback of claim 1, wherein: the arc-shaped cover (2) is structurally characterized in that: the tension-increasing and tension-reducing cover comprises an arc-shaped cover body (201), four corners of the cover body (201) are respectively provided with a screw mounting hole (202), and the cover body (201) is provided with two button holes (203) corresponding to a tension-increasing button (113) and a tension-reducing button (114).
5. The oroscope with vibration feedback of claim 1, wherein: the structure of the screw plug (101) is as follows: including end cover (10101) of cylinder structure, the top surface of end cover (10101) is provided with the arch, and bellied outer periphery is provided with external screw thread (10102), bellied top surface middle part is provided with the fore-set (10103) of evagination, end cover (10101), arch and fore-set (10103) are coaxial.
6. The oroscope with vibration feedback of claim 1, wherein: the handle (103) is structured as follows: the novel cylindrical handle comprises a cylindrical handle (10301), the middle of the cylindrical handle (10301) is of a hollow structure, an internal thread (10303) is arranged at one end of an inner hole of the cylindrical handle (10301), and an inner elliptical hole (10302) is formed in the inner hole of the cylindrical handle (10301) beside the internal thread (10303).
7. A method of using the vibrating feedback odontoscope of claim 1, wherein: the method comprises the following steps:
the tension increasing button (113) or the tension decreasing button (114) is first manually adjusted according to the age of the patient,
after the adjustment is finished, the mouth mirror is put into the mouth of a patient for oral cavity internal observation and mouth corner traction,
when the pulling force of the mouth angle is larger than the set value in the operation process of the doctor,
the bottom of the supporting rod (104) generates slight bending deformation, the bending deformation can cause the bending strain gauge (107) to generate corresponding bending deformation, the bending deformation of the bending strain gauge (107) can cause the bridge voltage to change, the circuit board (106) can monitor the value of the change in real time, when the value exceeds the set value of the tension button, the circuit board (106) can control the micro vibration motor (102) to vibrate, and the vibration is transmitted to the fingers of a doctor through the handle (103) to prompt the doctor to appropriately relax the handle (103) until vibration feedback disappears.
8. The method of using an oral mirror with vibration feedback as claimed in claim 7, wherein: the tension of the fingers of the doctor is in the range of 8-20N.
9. The method of using an oral mirror with vibration feedback as claimed in claim 7, wherein: the bridge voltage value of the bending strain gauge (107) is 1-2.5 mv.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331009.0A CN113069067B (en) | 2021-03-29 | 2021-03-29 | Mouth mirror with vibration feedback and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331009.0A CN113069067B (en) | 2021-03-29 | 2021-03-29 | Mouth mirror with vibration feedback and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113069067A true CN113069067A (en) | 2021-07-06 |
| CN113069067B CN113069067B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110331009.0A Active CN113069067B (en) | 2021-03-29 | 2021-03-29 | Mouth mirror with vibration feedback and using method thereof |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0503397A1 (en) * | 1991-03-08 | 1992-09-16 | Narco-Med AG | Laryngoscope |
| US5536245A (en) * | 1994-11-23 | 1996-07-16 | Dahlbeck; Scott | Laryngoscope pressure sensor and alarm |
| US20110184245A1 (en) * | 2010-01-28 | 2011-07-28 | Warsaw Orthopedic, Inc., An Indiana Corporation | Tissue monitoring surgical retractor system |
| US20160058276A1 (en) * | 2013-01-10 | 2016-03-03 | Universidade Do Porto | Digital laringoscope |
| US9636096B1 (en) * | 2009-02-04 | 2017-05-02 | Vioptix, Inc. | Retractor systems with closed loop control |
| CN211155680U (en) * | 2019-07-04 | 2020-08-04 | 上海市闵行区中心医院 | Mouth mirror capable of preventing mouth corner from being pulled |
| US20200375447A1 (en) * | 2017-08-07 | 2020-12-03 | Baylor College Of Medicine | Force-sensitive laryngoscope sensor |
-
2021
- 2021-03-29 CN CN202110331009.0A patent/CN113069067B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0503397A1 (en) * | 1991-03-08 | 1992-09-16 | Narco-Med AG | Laryngoscope |
| US5536245A (en) * | 1994-11-23 | 1996-07-16 | Dahlbeck; Scott | Laryngoscope pressure sensor and alarm |
| US9636096B1 (en) * | 2009-02-04 | 2017-05-02 | Vioptix, Inc. | Retractor systems with closed loop control |
| US20110184245A1 (en) * | 2010-01-28 | 2011-07-28 | Warsaw Orthopedic, Inc., An Indiana Corporation | Tissue monitoring surgical retractor system |
| US20160058276A1 (en) * | 2013-01-10 | 2016-03-03 | Universidade Do Porto | Digital laringoscope |
| US20200375447A1 (en) * | 2017-08-07 | 2020-12-03 | Baylor College Of Medicine | Force-sensitive laryngoscope sensor |
| CN211155680U (en) * | 2019-07-04 | 2020-08-04 | 上海市闵行区中心医院 | Mouth mirror capable of preventing mouth corner from being pulled |
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| Publication number | Publication date |
|---|---|
| CN113069067B (en) | 2022-06-28 |
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