CN109907795B - Focal tissue clearing device - Google Patents
Focal tissue clearing device Download PDFInfo
- Publication number
- CN109907795B CN109907795B CN201910159041.8A CN201910159041A CN109907795B CN 109907795 B CN109907795 B CN 109907795B CN 201910159041 A CN201910159041 A CN 201910159041A CN 109907795 B CN109907795 B CN 109907795B
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- component
- rotating
- sleeve
- sliding
- scraping
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- 238000007790 scraping Methods 0.000 claims abstract description 35
- 230000009471 action Effects 0.000 abstract description 6
- 210000001519 tissue Anatomy 0.000 description 35
- 238000005096 rolling process Methods 0.000 description 2
- 208000017234 Bone cyst Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 208000028528 solitary bone cyst Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention discloses a focus tissue clearing device which is used in the field of medical appliances and comprises a handheld part, a rotating part and a scraping part, wherein the rotating part is arranged at one end of the handheld part through a first rotating shaft, the scraping part is connected with the rotating part, the scraping part is exposed out of the handheld part, the rotating part is provided with a force application inclined plane, the handheld part is provided with a sliding part which can be matched with the force application inclined plane when the rotating part rotates, and the handheld part is provided with a first elastic reset part connected with the sliding part and a second elastic reset part connected with the rotating part. The scraping component scrapes focus tissues, when the scraping component scrapes harder normal tissues, resistance is generated, the rotating component rotates around the first rotating shaft, damage to the normal tissues is avoided, meanwhile, under the action of the first elastic reset component and the second elastic reset component, the sliding component is matched with the force application inclined plane of the rotating component, the resistance forms torsion, when the scraping component scrapes focus tissues again, and the rotating component resets.
Description
Technical Field
The invention is used in the field of medical instruments, and particularly relates to a focus tissue clearing device.
Background
When the focal tissue is removed by the orthopedic operation, a spatula is most commonly used for scraping the focal tissue, but the focal tissue and the normal tissue cannot be correctly distinguished due to the visual field or space reasons during scraping, and the normal tissue is damaged during scraping the focal tissue. In most cases, the focus tissue of the human body is loose and even has erosion texture relative to the normal tissue structure, such as a focus of femoral head necrosis, a focus of bone cyst, a focus of hemangioma and the like, and the texture difference is represented by the difference of 'force' when a spatula is used.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides a focus tissue clearing device which can avoid damaging normal tissues when scraping focus tissues.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a focus tissue clearing device, includes handheld part, rotating member and curettage part, rotating member establishes through first pivot handheld part's one end, curettage part is connected with rotating member, curettage part exposes in handheld part outside, rotating member is equipped with the application of force inclined plane, be equipped with sliding part on the handheld part, sliding part can when rotating member with application of force inclined plane cooperation is equipped with on the handheld part with the first elastic return part that sliding part is connected and with the second elastic return part that rotating member is connected.
Preferably, the handheld component comprises a sleeve, the rotating component is arranged at a pipe orifice at one end of the sleeve through a first rotating shaft, the rotating component is provided with a rotating arm extending into the sleeve, the end part of the rotating arm is provided with a force application inclined plane, and the sliding component is arranged in the sleeve, is matched with the force application inclined plane and can slide along the sleeve.
Preferably, the first resilient return member comprises a first spring disposed in the sleeve.
Preferably, an end cover is arranged at the other end of the sleeve, and the first spring is arranged between the end cover and the sliding part.
Preferably, the end cover is provided with a jack post which abuts against the first spring, and the end cover is in threaded connection with the sleeve.
Preferably, the sleeve has a resilient spout capable of cooperating with the rotating member.
Preferably, the sliding member is provided with rolling elements engaged with the urging inclined surface.
Preferably, the hand-held part is provided with a fastener, and the fastener can clamp the sliding part when the rotating part rotates.
Preferably, the fastener is disposed on the handheld component through a second rotating shaft, the fastener can rotate around the second rotating shaft to clamp or release the sliding component, and a third elastic reset component connected with the fastener is disposed on the handheld component.
Preferably, the scraping element is screwed to the rotating element.
One of the above technical solutions has at least one of the following advantages or beneficial effects: when the scraping device is used, the scraping component scrapes focus tissues, when the scraping component bumps into harder normal tissues, resistance is generated, the rotating component rotates around the first rotating shaft, damage to the normal tissues is avoided, meanwhile, under the action of the first elastic reset component and the second elastic reset component, the sliding component is matched with the force application inclined plane of the rotating component, the resistance forms torsion, when the scraping component scrapes focus tissues again, and the rotating component resets. The technical scheme can avoid damaging normal tissues when scraping focus tissues.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of one embodiment of the present invention;
fig. 2 is a schematic view of a scraping element according to another embodiment of the invention.
Detailed Description
Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.
In the present invention, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present invention, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present invention, the description of "first" and "second" is only used for the purpose of distinguishing technical features, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the present invention, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1, an embodiment of the present invention provides a focal tissue removing apparatus, including a hand-held member 1, a rotating member 2 and a scraping member 3, wherein the hand-held member 1 is used as a holding portion of a user in use, the rotating member 2 is disposed at one end of the hand-held member 1 through a first rotating shaft 21, the scraping member 3 is connected with the rotating member 2, and the scraping member 3 is exposed outside the hand-held member 1, so as to ensure that focal tissue can be cleaned in use. The rotating part 2 is provided with a force application inclined plane 22, the handheld part 1 is provided with a sliding part 4, the sliding part 4 can be matched with the force application inclined plane 22 when the rotating part 2 rotates, and the handheld part 1 is provided with a first elastic reset part connected with the sliding part 4 and a second elastic reset part connected with the rotating part 2.
When the scraping device is used, the scraping component 3 scrapes focus tissues, when the scraping component collides with harder normal tissues, resistance is generated, the rotating component 2 rotates around the first rotating shaft 21, damage to the normal tissues is avoided, meanwhile, under the action of the first elastic reset component and the second elastic reset component, the sliding component 4 is matched with the force application inclined plane 22 of the rotating component 2, the resistance forms torsion, when the scraping component 3 scrapes focus tissues again, and the rotating component 2 resets. The technical scheme can avoid damaging normal tissues when scraping focus tissues.
In some embodiments, the handheld component 1 adopts a support structure, a sliding groove for installing the sliding component 4 is arranged on the support structure, preferably, referring to fig. 1, the handheld component 1 comprises a sleeve 11, the rotating component 2 is arranged at one end pipe orifice of the sleeve 11 through a first rotating shaft 21, the rotating component 2 is provided with a rotating arm 23 extending into the sleeve 11, the end part of the rotating arm 23 is provided with a force application inclined surface 22, the sliding component 4 is arranged in the sleeve 11, and the sliding component 4 is matched with the force application inclined surface 22 and can slide along the sleeve 11. The scraping component 3 scrapes focus tissues, when the scraping component collides with harder normal tissues, resistance is generated, the rotating component 2 rotates around the first rotating shaft 21, the force application inclined surface 22 is matched with the sliding component 4, the sliding component 4 moves downwards along the sleeve 11, when the scraping component 3 scrapes focus tissues again, the force application inclined surface 22 is matched with the sliding component 4 to form torsion, and the rotating component 2 is driven to reset.
In some embodiments, the first resilient return member may be a tension, compression or torsion spring, preferably, referring to fig. 1, comprising a first spring 5 disposed in the sleeve 11. For easy installation, the other end of the sleeve 11 is provided with an end cap 6, the end cap 6 may be bonded, welded, snap-fit, screwed, etc. with the sleeve 11, and the first spring 5 is provided between the end cap 6 and the sliding member 4, and the first spring 5 is used for providing an elastic force for resetting the sliding member 4.
In some embodiments, referring to fig. 1, the end cover 6 is provided with a top post 61 that abuts against the first spring 5, the end cover 6 is in threaded connection with the sleeve 11, and in use, the length of the threaded connection between the end cover 6 and the sleeve 11 can be adjusted to change the pretightening force of the first spring 5, and further the torsion force can be adjusted to scrape different focus tissues.
In some embodiments, referring to fig. 1, in order to allow the orifice of the sleeve 11 to avoid interfering with the rotation of the rotating member 2 and to provide a good fit with the rotating member 2 and avoid tissue or other material from entering the sleeve 11, the sleeve 11 has a resilient orifice 12 capable of engaging the rotating member 2, the resilient orifice 12 being capable of deforming or recovering when the rotating member 2 rotates.
In some embodiments, the sliding member 4 is in direct contact with the force application inclined surface 22, and preferably, referring to fig. 1, the sliding member 4 is provided with rolling elements 7 engaged with the force application inclined surface 22 for reducing engagement resistance.
In some embodiments, referring to fig. 1, the hand-held component 1 is provided with a fastener 8, the fastener 8 can clamp the sliding component 4 when the rotating component 2 rotates, the scraping component 3 scrapes focus tissues, when the relatively hard normal tissues are encountered, resistance is generated, the rotating component 2 rotates around the first rotating shaft 21, the force application inclined plane 22 is matched with the sliding component 4, the sliding component 4 moves downwards along the sleeve 11, when the sliding component 4 is buckled with the fastener 8, a click sound is generated, the prompting torsion is overlarge, and the scraping action is stopped. The fastener 8 may be an elastic buckle, so that the sliding component 4 may be buckled with the sleeve 11 when moving downwards along the sleeve, preferably, the fastener 8 is arranged on the handheld component 1 through the second rotating shaft 81, the fastener 8 may rotate around the second rotating shaft 81 to clamp or release the sliding component 4, the handheld component 1 is provided with a third elastic reset component connected with the fastener 8, after the fastener clamps the sliding component 4, a user needs to press the fastener 8 to make the tip tilt, the sliding component 4 resets under the action of the first spring 5, and abuts against the rotating component 2 to continue the next action.
In the above embodiment, the second elastic restoring member is preferably a second spring provided on the first rotating shaft 21, and the third elastic restoring member is preferably a third spring provided on the second rotating shaft.
The scraper element 3 is fixedly or detachably connected to the rotating element 2, and in some embodiments, the scraper element 3 is screwed to the rotating element 2 in order to facilitate the replacement of the scraper element 3.
In some embodiments, see fig. 1, 2, the scraper element 3 is connected to the rotating element 2 by means of a bayonet, so that the scraper element 3 may be exchanged according to circumstances, comprising a straight scraper, a curved scraper, wherein the curved scraper has a bending angle of 30-60 °.
The present invention is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, which are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (7)
1. A focal tissue clearing device, characterized in that: the scraping device comprises a handheld component, a rotating component and a scraping component, wherein the rotating component is arranged at one end of the handheld component through a first rotating shaft, the scraping component is connected with the rotating component, the scraping component is exposed outside the handheld component, the rotating component is provided with a force application inclined plane, a sliding component is arranged on the handheld component, the sliding component can be matched with the force application inclined plane when the rotating component rotates, a first elastic reset component connected with the sliding component and a second elastic reset component connected with the rotating component are arranged on the handheld component, a fastener is arranged on the handheld component, the fastener can clamp the sliding component when the rotating component rotates, the fastener is arranged on the handheld component through a second rotating shaft so as to clamp or release the sliding component, the handheld component comprises a sleeve, the rotating component is arranged at one end pipe orifice of the sleeve through the first rotating shaft, the rotating component is provided with a rotating arm extending into the sleeve, the end part of the rotating arm is provided with an inclined plane, the sliding component is arranged in the sleeve, the sliding component is matched with the force application inclined plane, and can slide component and is matched with the sleeve along the inclined plane, and can rotate along the sleeve to produce a high torque force application, the sliding component is matched with the sliding component to rotate around the rotating component, and the rotating component to rotate around the inclined plane, so that the sliding component rotates around the rotating component to stop rotating around the rotating component.
2. The focal tissue clearing device of claim 1, wherein: the first resilient return member includes a first spring disposed in the sleeve.
3. The focal tissue clearing device of claim 2, wherein: the other end of the sleeve is provided with an end cover, and the first spring is arranged between the end cover and the sliding part.
4. A focal tissue clearing device as claimed in claim 3, wherein: the end cover is provided with a jacking column propping against the first spring, and the end cover is in threaded connection with the sleeve.
5. The focal tissue clearing device of claim 1, wherein: the sleeve has a resilient spout that is engageable with the rotating member.
6. The focal tissue clearing device of claim 1, wherein: the hand-held part is provided with a third elastic reset part connected with the fastener.
7. The focal tissue clearing device of claim 1, wherein: the scraping element is screwed with the rotating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159041.8A CN109907795B (en) | 2019-03-04 | 2019-03-04 | Focal tissue clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159041.8A CN109907795B (en) | 2019-03-04 | 2019-03-04 | Focal tissue clearing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109907795A CN109907795A (en) | 2019-06-21 |
| CN109907795B true CN109907795B (en) | 2024-02-13 |
Family
ID=66963046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910159041.8A Active CN109907795B (en) | 2019-03-04 | 2019-03-04 | Focal tissue clearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109907795B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000191A (en) * | 1987-07-13 | 1991-03-19 | Serge Reiss | Force-limiting adapter for surgical instruments |
| JP2001299451A (en) * | 2000-04-26 | 2001-10-30 | Sunstar Inc | Toothbrush having function for sensing excessive brushing pressure |
| WO2016125176A1 (en) * | 2015-02-08 | 2016-08-11 | Tel Hashomer Medical Research Infrastructure And Services Ltd. | A medical device for limiting tissue damage and uses thereof |
| CN108135604A (en) * | 2015-07-30 | 2018-06-08 | 伊西康有限责任公司 | Surgical instruments including the system for being used for the operable step around surgical instruments |
| CN210301133U (en) * | 2019-03-04 | 2020-04-14 | 广州中医药大学第一附属医院 | Nidus tissue clearing device |
-
2019
- 2019-03-04 CN CN201910159041.8A patent/CN109907795B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000191A (en) * | 1987-07-13 | 1991-03-19 | Serge Reiss | Force-limiting adapter for surgical instruments |
| JP2001299451A (en) * | 2000-04-26 | 2001-10-30 | Sunstar Inc | Toothbrush having function for sensing excessive brushing pressure |
| WO2016125176A1 (en) * | 2015-02-08 | 2016-08-11 | Tel Hashomer Medical Research Infrastructure And Services Ltd. | A medical device for limiting tissue damage and uses thereof |
| CN108135604A (en) * | 2015-07-30 | 2018-06-08 | 伊西康有限责任公司 | Surgical instruments including the system for being used for the operable step around surgical instruments |
| CN210301133U (en) * | 2019-03-04 | 2020-04-14 | 广州中医药大学第一附属医院 | Nidus tissue clearing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109907795A (en) | 2019-06-21 |
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