CN111904681B - Postoperative demand indication board for oral cavity flap patient - Google Patents
Postoperative demand indication board for oral cavity flap patient Download PDFInfo
- Publication number
- CN111904681B CN111904681B CN202010938785.2A CN202010938785A CN111904681B CN 111904681 B CN111904681 B CN 111904681B CN 202010938785 A CN202010938785 A CN 202010938785A CN 111904681 B CN111904681 B CN 111904681B
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- driven gear
- pointer
- pawl
- rack
- rotating shaft
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- 210000000214 mouth Anatomy 0.000 title claims abstract description 9
- 230000002980 postoperative effect Effects 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 claims description 6
- 230000000474 nursing effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a postoperative demand indication board for an oral cavity skin flap patient, which comprises a shell, a panel, a first pointer, a second pointer, a first driving device and a second driving device, wherein the panel is arranged on the shell, a plurality of character grids are uniformly arranged on the panel, the character grids are distributed in an inner annular shape and an outer annular shape, characters for marking the patient demand are arranged on the character grids, the first pointer is rotationally arranged on the panel, the second pointer penetrates through the first pointer to be rotationally arranged on the first pointer, the first pointer and the second pointer are rotationally not affected, the first driving device and the second driving device are arranged in the shell, the first driving device drives the first pointer to rotate, the second driving device drives the second pointer to rotate, the first pointer indicates characters on an outer character grid, the second pointer indicates characters on an inner character grid, one hand of the indication board can be operated, and the patient can express psychological demands through contents displayed on a button selection board, so that the nursing work quality is improved.
Description
Technical Field
The invention relates to an auxiliary appliance after an oral cavity skin flap operation, in particular to an indicating plate for an oral cavity skin flap patient after operation.
Background
The patient after the skin flap operation affects the activity degree of the tongue of the patient due to the implantation of the skin flap, so the patient can not express the mind, the mind is anxious and frightened, and the recovery of the patient is affected, and the special nature of the operation needs local braking to limit the activity of the patient, so as to meet the local braking performance of the patient after the skin flap operation and the requirements of the patient, the mind idea and the requirements of the patient after the clinical skin flap operation are collected, and the post-operation requirement indication board for the patient with the oral skin flap is designed.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an indication board for the postoperative demand of an oral cavity skin flap patient.
The utility model provides a demand indicating board after oral cavity flap patient's operation, which comprises an outer shell, a panel, first pointer, the second pointer, first drive arrangement and second drive arrangement, the panel sets up on the shell, the panel evenly is provided with the several characters check, the characters check is inside and outside two-layer annular distribution, be provided with the characters of sign patient's demand on the characters check, first pointer rotates to be set up on the panel, the second pointer passes first pointer and rotates to set up on first pointer, first pointer rotates and does not influence each other with the second pointer, first drive arrangement and second drive arrangement set up inside the shell, first drive arrangement drives first pointer and rotates, second drive arrangement drives the second pointer and rotates, first pointer indicates characters on the outer layer characters check, the second pointer indicates characters on the inlayer characters check;
The first driving device comprises a first driven gear, a second driven gear, a first ratchet device, a first rack, a first button and a first reset spring, wherein the first driven gear is arranged on the first pointer, the first ratchet device is rotatably arranged in the shell through an auxiliary mounting frame, the second driven gear is arranged on the first ratchet device, the second driven gear is meshed with the first driven gear, the first rack is slidably arranged in the shell, the first rack is meshed with the first ratchet device, the first button is arranged on the first rack, one end of the first reset spring is fixed at the tail end of the first rack, and the other end of the first reset spring is fixed on the inner wall of the shell;
The first ratchet device comprises a third driven gear, a first pawl mounting block, a first rotating shaft, a first pawl, a first reset spring and a first pawl rotating shaft, wherein the third driven gear is rotatably arranged on the first rotating shaft;
Specifically, the third driven gear rotates anticlockwise and idles, and the third driven gear drives the first pawl mounting block and the first rotating shaft to rotate through the cooperation of the first pawl and the internal ratchet teeth when rotating clockwise;
The second driving device comprises a fourth driven gear, a fifth driven gear, a second ratchet device, a second rack, a second button and a second reset spring, wherein the fourth driven gear is arranged on the second pointer, the second ratchet device is rotatably arranged in the shell through an auxiliary mounting frame, the fifth driven gear is arranged on the second ratchet device, the fifth driven gear is meshed with the fourth driven gear, the second rack is slidably arranged in the shell, the second rack is meshed with the second ratchet device, the second button is arranged on the second rack, one end of the second reset spring is fixed at the tail end of the second rack, and the other end of the second reset spring is fixed on the inner wall of the shell;
the second ratchet device comprises a sixth driven gear, a second pawl mounting block, a second rotating shaft, a second pawl, a second reset elastic piece and a second pawl rotating shaft, wherein the sixth driven gear is rotatably arranged on the second rotating shaft;
specifically, the sixth driven gear rotates clockwise and idles, and the second pawl mounting block and the second rotating shaft are driven to rotate by the cooperation of the second pawl and the internal ratchet teeth when the sixth driven gear rotates anticlockwise.
The working principle and the process of the invention are as follows:
When the device is used, when a patient has a demand, medical staff takes the device to the patient, the patient pushes the first button and the second button according to the demand to control the first pointer and the second pointer to rotate, when the character mark of the patient demand is on the outer layer, the patient pushes the first button, the first button drives the first rack to move forwards, the first reset spring is in a stretching state, the first rack drives the third driven gear to rotate, the third driven gear drives the first pawl mounting block and the first rotating shaft to rotate through the cooperation of the inner ratchet and the first pawl, the first rotating shaft drives the second driven gear to rotate, the second driven gear drives the first driven gear to rotate, the first driven gear drives the first pointer to rotate, after the first pointer points to the character mark of the demand, the patient loosens hands, and the first rack is restored to the initial position under the action of the first reset spring, in the process of restoring the initial position of the first rack, the third driven gear idles under the cooperation of the ratchet and the first pawl, the first pointer position is unchanged, when the character mark required by the patient is in the inner layer, the patient pushes the second button, the second button drives the second rack to move forward, the second reset spring is in a stretching state, the second rack drives the sixth driven gear to rotate, the sixth driven gear drives the second pawl mounting block and the second rotating shaft to rotate through the cooperation of the ratchet and the second pawl inside, the second rotating shaft drives the fifth driven gear to rotate, the fifth driven gear drives the fourth driven gear to rotate, the fourth driven gear drives the second pointer to rotate, after the character mark required by the second pointer is pointed, the patient loosens hands, the second rack is restored to the initial position under the action of the second reset spring, in the process of restoring the initial position of the second rack, the sixth driven gear idles under the cooperation of the ratchet and the second pawl, and the position of the second pointer is unchanged.
The invention has the beneficial effects that:
The invention has simple structure and convenient operation, ensures that the patient is clear at a glance, meets the basic requirements of the patient, can operate the indicating board by one hand, and can express the psychological needs of the patient by selecting the content displayed on the board through the button, thereby improving the nursing working quality, having positive effect on the rehabilitation of the patient and being suitable for wide popularization and application.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a schematic view of a first ratchet arrangement of the present invention;
FIG. 6 is a schematic view of a second ratchet arrangement of the present invention;
FIG. 7 is a top view of the internal structure of the present invention;
FIG. 8 is a schematic view of the structure of the first and second driving devices of the present invention;
FIG. 9 is a top view of the present invention;
FIG. 10 is a cross-sectional view taken along line A-A of FIG. 9 in accordance with the present invention;
fig. 11 is a cross-sectional view taken along line B-B of fig. 9 in accordance with the present invention.
Detailed Description
Referring to fig. 1 to 11, a post-operation requirement indicating board for an oral cavity flap patient comprises a housing 1, a panel 2, a first pointer 3, a second pointer 4, a first driving device and a second driving device, wherein the panel 2 is arranged on the housing 1, the panel 2 is uniformly provided with a plurality of character grids 21, the character grids 21 are distributed in an inner annular shape and an outer annular shape, characters for identifying the patient requirement are arranged on the character grids 21, the first pointer 3 is rotatably arranged on the panel 2, the second pointer 4 passes through the first pointer 3 and is rotatably arranged on the first pointer 3, the first pointer 3 and the second pointer 4 are not mutually influenced in rotation, the first driving device and the second driving device are arranged in the housing 1, the first driving device drives the first pointer 3 to rotate, the second driving device drives the second pointer 4 to rotate, the first pointer 3 indicates characters on the outer character grids 21, and the second pointer 4 indicates characters on the inner character grids 21;
the first driving device comprises a first driven gear 32, a second driven gear 33, a first ratchet device 34, a first rack 35, a first button 36 and a first return spring 37, wherein the first driven gear 32 is arranged on the first pointer 3, the first ratchet device 34 is rotatably arranged in the shell 1 through the auxiliary mounting frame 5, the second driven gear 33 is arranged on the first ratchet device 34, the second driven gear 33 is meshed with the first driven gear 32, the first rack 35 is slidably arranged in the shell 1, the first rack 35 is meshed with the first ratchet device 34, the first button 36 is arranged on the first rack 35, one end of the first return spring 37 is fixed at the tail end of the first rack 35, and the other end of the first return spring 37 is fixed on the inner wall of the shell 1;
The first ratchet device 34 includes a third driven gear 341, a first pawl mounting block 342, a first rotating shaft 343, a first pawl 344, a first reset spring 345 and a first pawl rotating shaft 346, the third driven gear 341 is rotatably disposed on the first rotating shaft 343, the first pawl mounting block 342 is fixedly disposed on the first rotating shaft 343, the first pawl 344 is rotatably disposed on the first pawl mounting block 342 through the first pawl rotating shaft 346, the first reset spring 345 is disposed between the first pawl 344 and the first pawl mounting block 342, ratchet teeth matched with the first pawl 344 are disposed on an inner ring of the third driven gear 341, and the third driven gear 341 is meshed with the first rack 35;
Specifically, the third driven gear 341 rotates counterclockwise and idles, and the third driven gear 341 rotates clockwise and drives the first pawl mounting block 342 and the first rotating shaft 343 to rotate through the cooperation of the first pawl 344 and the internal ratchet;
The second driving device comprises a fourth driven gear 42, a fifth driven gear 43, a second ratchet device 44, a second rack 45, a second button 46 and a second return spring 47, wherein the fourth driven gear 42 is arranged on the second pointer 4, the second ratchet device 44 is rotatably arranged in the shell 1 through the auxiliary mounting frame 5, the fifth driven gear 43 is arranged on the second ratchet device 44, the fifth driven gear 43 is meshed with the fourth driven gear 42, the second rack 45 is slidably arranged in the shell 1, the second rack 45 is meshed with the second ratchet device 44, the second button 46 is arranged on the second rack 45, one end of the second return spring 47 is fixed at the tail end of the second rack 45, and the other end of the second return spring 47 is fixed on the inner wall of the shell 1;
The second ratchet device 44 includes a sixth driven gear 441, a second pawl mounting block 442, a second rotating shaft 443, a second pawl 444, a second reset spring 445 and a second pawl rotating shaft 446, where the sixth driven gear 441 is rotatably disposed on the second rotating shaft 443, the second pawl mounting block 442 is fixedly disposed on the second rotating shaft 443, the second pawl 444 is rotatably disposed on the second pawl mounting block 442 through the second pawl rotating shaft 446, the second reset spring 445 is disposed between the second pawl 444 and the second pawl mounting block 442, ratchet teeth matched with the second pawl 444 are disposed on an inner ring of the sixth driven gear 441, and the sixth driven gear 441 is meshed with the second rack 45;
specifically, the sixth driven gear 441 rotates clockwise to idle, and the sixth driven gear 441 rotates counterclockwise to drive the second pawl mounting block 442 and the second rotating shaft 443 by the engagement of the second pawl 444 with the inner ratchet teeth.
The working principle and the process of the invention are as follows:
Referring to fig. 1 to 11, when a patient needs, a medical staff takes the device to the patient, the patient pushes the first button 36 and the second button 46 according to the needs to control the first pointer 3 and the second pointer 4 to rotate, when the text mark of the patient needs is on the outer layer, the patient pushes the first button 36, the first button 36 drives the first rack 35 to move forward, the first return spring 37 is in a stretched state, the first rack 35 drives the third driven gear 341 to rotate, the third driven gear 341 cooperates with the first pawl 344 through the inner ratchet to drive the first pawl mounting block 342 and the first rotating shaft 343 to rotate, the first rotating shaft 343 drives the second driven gear 33 to rotate, the second driven gear 33 drives the first driven gear 32 to rotate, the first driven gear 32 drives the first pointer 3 to rotate, when the first pointer 3 points to the text mark of the patient, the patient loosens his hands, the first rack 35 is restored to the initial position under the action of the first return spring 37, in the process of restoring the initial position of the first rack 35, the third driven gear 341 idles under the cooperation of the ratchet and the first pawl 344, the position of the first pointer 3 is unchanged, when the text mark required by the patient is in the inner layer, the patient pushes the second button 46, the second button 46 drives the second rack 45 to move forward, at this time, the second return spring 47 is in a stretched state, the second rack 45 drives the sixth driven gear 441 to rotate, the sixth driven gear 441 drives the second pawl mounting block 442 and the second rotating shaft 343 to rotate through the cooperation of the inner ratchet and the second pawl 444, the second rotating shaft 443 drives the fifth driven gear 43 to rotate, the fifth driven gear 43 drives the fourth driven gear 42 to rotate, the fourth driven gear 42 drives the second pointer 4 to rotate, after the second pointer 4 points to the required text mark, when the patient releases his or her hand, the second rack 45 returns to the initial position by the second return spring 47, and during the return of the second rack 45 to the initial position, the sixth driven gear 441 idles in cooperation with the second pawl 444, and the position of the second pointer 4 is unchanged.
Claims (1)
1. An oral cavity flap patient postoperative demand indicator board, its characterized in that: the device comprises a shell (1), a panel (2), a first pointer (3), a second pointer (4), a first driving device and a second driving device, wherein the panel (2) is arranged on the shell (1), the panel (2) is uniformly provided with a plurality of character grids (21), the character grids (21) are annularly distributed in an inner layer and an outer layer, characters for marking the needs of patients are arranged on the character grids (21), the first pointer (3) is rotationally arranged on the panel (2), the second pointer (4) penetrates through the first pointer (3) and is rotationally arranged on the first pointer (3), the first pointer (3) and the second pointer (4) are rotationally not affected, the first driving device and the second driving device are arranged inside the shell (1), the first driving device drives the first pointer (3) to rotate, the second driving device drives the second pointer (4) to rotate, the first pointer (3) indicates characters on the outer layer character grids (21), and the second pointer (4) indicates characters on the inner layer character grids (21);
The first driving device comprises a first driven gear (32), a second driven gear (33), a first ratchet device (34), a first rack (35), a first button (36) and a first reset spring (37), wherein the first driven gear (32) is arranged on the first pointer (3), the first ratchet device (34) is rotatably arranged in the shell (1) through the auxiliary mounting frame (5), the second driven gear (33) is arranged on the first ratchet device (34), the second driven gear (33) is meshed with the first driven gear (32), the first rack (35) is slidably arranged in the shell (1), the first rack (35) is meshed with the first ratchet device (34), the first button (36) is arranged on the first rack (35), one end of the first reset spring (37) is fixed at the tail end of the first rack (35), and the other end of the first reset spring (37) is fixed on the inner wall of the shell (1);
The first ratchet device (34) comprises a third driven gear (341), a first pawl mounting block (342), a first rotating shaft (343), a first pawl (344), a first reset spring piece (345) and a first pawl rotating shaft (346), wherein the third driven gear (341) is rotatably arranged on the first rotating shaft (343), the first pawl mounting block (342) is fixedly arranged on the first rotating shaft (343), the first pawl (344) is rotatably arranged on the first pawl mounting block (342) through the first pawl rotating shaft (346), a first reset spring piece (345) is arranged between the first pawl (344) and the first pawl mounting block (342), ratchets matched with the first pawl (344) are arranged on the inner ring of the third driven gear (341), and the third driven gear (341) is meshed with the first rack (35);
The third driven gear (341) rotates anticlockwise and idles, and the first pawl mounting block (342) and the first rotating shaft (343) are driven to rotate by the cooperation of the first pawl (344) and the internal ratchet teeth when the third driven gear (341) rotates clockwise;
The second driving device comprises a fourth driven gear (42), a fifth driven gear (43), a second ratchet device (44), a second rack (45), a second button (46) and a second reset spring (47), wherein the fourth driven gear (42) is arranged on the second pointer (4), the second ratchet device (44) is rotatably arranged in the shell (1) through an auxiliary mounting rack (5), the fifth driven gear (43) is arranged on the second ratchet device (44), the fifth driven gear (43) is meshed with the fourth driven gear (42), the second rack (45) is slidably arranged in the shell (1), the second rack (45) is meshed with the second ratchet device (44), the second button (46) is arranged on the second rack (45), one end of the second reset spring (47) is fixed at the tail end of the second rack (45), and the other end of the second reset spring (47) is fixed on the inner wall of the shell (1);
the second ratchet device (44) comprises a sixth driven gear (441), a second pawl mounting block (442), a second rotating shaft (443), a second pawl (444), a second reset spring piece (445) and a second pawl rotating shaft (446), the sixth driven gear (441) is rotatably arranged on the second rotating shaft (443), the second pawl mounting block (442) is fixedly arranged on the second rotating shaft (443), the second pawl (444) is rotatably arranged on the second pawl mounting block (442) through the second pawl rotating shaft (446), a second reset spring piece (445) is arranged between the second pawl (444) and the second pawl mounting block (442), ratchets matched with the second pawl (444) are arranged on the inner ring of the sixth driven gear (441), and the sixth driven gear (441) is meshed with the second rack (45);
The sixth driven gear (441) rotates clockwise to idle, and the second pawl (444) and the internal ratchet are matched to drive the second pawl mounting block (442) and the second rotating shaft (443) to rotate when the sixth driven gear (441) rotates anticlockwise;
When a patient has a demand, medical staff takes the device to the patient, the patient pushes the first button (36) and the second button (46) to control the first pointer (3) and the second pointer (4) to rotate according to the demand, when the character mark of the patient demand is on the outer layer, the patient pushes the first button (36), the first button (36) drives the first rack (35) to move forwards, at the moment, the first return spring (37) is in a stretching state, the first rack (35) drives the third driven gear (341) to rotate, the third driven gear (341) is matched with the first pawl (344) through the inner ratchet to drive the first pawl mounting block (342) and the first rotating shaft (343) to rotate, the first rotating shaft (343) drives the second driven gear (33) to rotate, the second driven gear (33) drives the first driven gear (32) to rotate, after the first pointer (3) points to the character mark of the demand, the patient releases hands, the first rack (35) is restored to the initial position under the action of the first return spring (37) to the first pawl (35) and is not matched with the first ratchet to the first driven gear (35) when the inner layer (344) is matched with the first pointer (33) to rotate on the first rotating shaft (46), the second button (46) drives the second rack (45) to move forwards, the second reset spring (47) is in a stretching state, the second rack (45) drives the sixth driven gear (441) to rotate, the sixth driven gear (441) drives the second pawl mounting block (442) and the second rotating shaft (343) to rotate through the cooperation of the inner ratchet and the second pawl (444), the second rotating shaft (443) drives the fifth driven gear (43) to rotate, the fifth driven gear (43) drives the fourth driven gear (42) to rotate, the fourth driven gear (42) drives the second pointer (4) to rotate, after the second pointer (4) points to a required character mark, a patient releases hands, the second rack (45) is restored to an initial position under the action of the second reset spring (47), and in the process of restoring the initial position of the second rack (45), the sixth driven gear (441) idles under the cooperation of the ratchet and the second pawl (444), and the position of the second pointer (4) is unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938785.2A CN111904681B (en) | 2020-09-09 | 2020-09-09 | Postoperative demand indication board for oral cavity flap patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938785.2A CN111904681B (en) | 2020-09-09 | 2020-09-09 | Postoperative demand indication board for oral cavity flap patient |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111904681A CN111904681A (en) | 2020-11-10 |
| CN111904681B true CN111904681B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010938785.2A Active CN111904681B (en) | 2020-09-09 | 2020-09-09 | Postoperative demand indication board for oral cavity flap patient |
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| Country | Link |
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| CN (1) | CN111904681B (en) |
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| CN102908177A (en) * | 2012-11-09 | 2013-02-06 | 北京中法派尔特医疗设备有限公司 | Indicator as well as stitching instrument and surgical operating instrument employing same |
| CN204169965U (en) * | 2014-10-31 | 2015-02-25 | 陈小慧 | A kind of device of linking up with aphasis patient |
| CN206709717U (en) * | 2017-05-23 | 2017-12-05 | 湖南中医药大学 | A kind of Portable AC tape measure |
| CN206833738U (en) * | 2017-03-29 | 2018-01-02 | 邹朝君 | Speech rehabilitation plate |
| CN207666736U (en) * | 2017-05-20 | 2018-07-31 | 长沙市第三医院 | A kind of device linked up with aphasis patient |
| CN212234833U (en) * | 2020-09-09 | 2020-12-29 | 吉林大学 | Postoperative demand indicating plate for oral flap patient |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8275624B2 (en) * | 2008-10-16 | 2012-09-25 | Thomas David Kehoe | Electronic speech aid and method for use thereof to treat hypokinetic dysarthria |
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2020
- 2020-09-09 CN CN202010938785.2A patent/CN111904681B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908177A (en) * | 2012-11-09 | 2013-02-06 | 北京中法派尔特医疗设备有限公司 | Indicator as well as stitching instrument and surgical operating instrument employing same |
| CN204169965U (en) * | 2014-10-31 | 2015-02-25 | 陈小慧 | A kind of device of linking up with aphasis patient |
| CN206833738U (en) * | 2017-03-29 | 2018-01-02 | 邹朝君 | Speech rehabilitation plate |
| CN207666736U (en) * | 2017-05-20 | 2018-07-31 | 长沙市第三医院 | A kind of device linked up with aphasis patient |
| CN206709717U (en) * | 2017-05-23 | 2017-12-05 | 湖南中医药大学 | A kind of Portable AC tape measure |
| CN212234833U (en) * | 2020-09-09 | 2020-12-29 | 吉林大学 | Postoperative demand indicating plate for oral flap patient |
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| Publication number | Publication date |
|---|---|
| CN111904681A (en) | 2020-11-10 |
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