CN201564552U - Novel maxillary sinus pincers - Google Patents
Novel maxillary sinus pincers Download PDFInfo
- Publication number
- CN201564552U CN201564552U CN2009202073016U CN200920207301U CN201564552U CN 201564552 U CN201564552 U CN 201564552U CN 2009202073016 U CN2009202073016 U CN 2009202073016U CN 200920207301 U CN200920207301 U CN 200920207301U CN 201564552 U CN201564552 U CN 201564552U
- Authority
- CN
- China
- Prior art keywords
- pincers
- driving shaft
- caliper
- pincers leaf
- maxillary sinus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a novel maxillary sinus pincers, which comprises a pincers leaf I, a pincers leaf II, a pincers body, a fixed handle, a movable handle, a pincers leaf closing driving component and a self-limited pincers opening driving component, wherein the pincers leaf closing driving component drives the pincers leafs to be closed, and the self-limited pincers opening driving component drives a pincers opening to adjust the whole direction. The novel maxillary sinus pincers is used for a nasal endoscope surgery for removing pathology tissues in the sinus, is particularly used for the surgery which has special pathology position in the sinus and can not thoroughly remove the pathology with the normal surgical equipment with convenient and time-saving operation, simplifies the surgery steps, effectively reduces the operation difficulty of the surgery, improves the success rate of the surgery, improves the curative effect of the surgery, and prevents from haemorrhage and injury caused by the inconvenient operation and the repeated stimulation to the surgery region.
Description
Technical field
This utility model relates to medical apparatus and instruments, particularly a kind of novel maxillary sinus forceps.
Background technology
The intranasal videoendoscopic surgery usually needs open maxillary sinus and removes pathological tissues such as maxillary sinus Intramedullary Cysts, but because the particularity of maxillary sinus anatomical position, Dou Kou is higher than at the bottom of the hole, the position is dark at the bottom of the hole, normally used 90 ° of sinus forceps, because angle limits often can't reach the optional position in the maxillary sinus, patient's operation is wasted time and energy.Sometimes for reaching the purpose of thorough removing pathological changes, have to add and do the labiogingival groove otch, chisel maxillary sinus antetheca sclerotin, promptly adopt old-fashioned Ke Lushi's modus operandi to remove pathological changes, not only increase operation wound and patient suffering, being applied in a way of intranasal videoendoscopic surgery is restricted, therefore is necessary to design a kind of maxillary sinus forceps that can adjust the jaw angle according to the operation needs arbitrarily.
The utility model content
In view of this, the purpose of this utility model provides a kind of novel maxillary sinus forceps, can adjust as required jaw towards, be convenient to operation technique.
A kind of novel maxillary sinus forceps of novel maxillary sinus forceps of the present utility model, comprise jaw, caliper and handle, described jaw comprises pincers leaf I and pincers leaf II, described pincers leaf I and the pincers leaf II formation lever construction that is hinged, described handle comprises fixed handle and movable handle, described fixed handle and caliper fixedly install, and described movable handle and the fixed handle formation lever construction that is hinged also comprises the closed driven unit of pincers leaf and from spacing jaw driven unit;
The closed driven unit of described pincers leaf comprises hauling rope and compression spring, and the two ends of described hauling rope link to each other with the power point of movable handle resistance point with pincers leaf I respectively, and described compression spring applies the pressure pretightning force opposite with the hauling rope direction of pull to pincers leaf I;
Also comprise from spacing jaw driven unit, describedly comprise rotating shaft and driving shaft from spacing jaw driven unit, described rotating shaft and driving shaft are rotatably assorted at circumferencial direction with caliper respectively, described rotating shaft fixedly installs with pincers leaf II and perpendicular to the rotational plane of pincers leaf I, described driving shaft inserts in the caliper and with the rotating shaft transmission and cooperates, described caliper outer wall is provided with side keyway, and the corresponding spline that is provided with side keyway of described driving shaft cylindrical is slidingly matched between spline and the keyway vertically.
Further, also comprise chain-drive mechanism, described rotating shaft fixedly installs with the driven sprocket of chain-drive mechanism is coaxial, described driving shaft and the coaxial setting of the drive sprocket of chain-drive mechanism, driving shaft and drive sprocket along the circumferential direction secure fit, reciprocatingly slide and cooperate vertically;
Further, also comprise driving shaft return assembly, described driving shaft return assembly comprises the top spring, described top spring be positioned at caliper and along the circumferential direction be rotatably assorted with caliper, with the driving shaft secure fit, the top spring applies vertically the pretightning force of drawing to driving shaft;
Further, also comprise spring mounting seat, described spring mounting seat and caliper fixedly install, and fixedly connected with power point and the spring mounting seat of pincers leaf I respectively in the two ends of described compression spring;
Further, also comprise fixed pulley, described fixed pulley, hauling rope, compression spring and spring mounting seat all are positioned at caliper, and the rotating shaft of described fixed pulley is perpendicular to the rotational plane of movable handle, and described hauling rope is walked around fixed pulley and formed rectangular shaped.
The beneficial effects of the utility model are: novel maxillary sinus forceps of the present utility model, can adjust the jaw angle as required arbitrarily, be used to remove the intranasal videoendoscopic surgery of pathological tissues in the maxillary sinus, particularly in the maxillary sinus lesion locations special, use the routine operation apparatus can realize easy the saving time of operating can't be with its operation of thoroughly removing the time, simplify operating procedure, effectively reduce the operation technique difficulty, increase success rate of operation, improve operative effect, prevent simultaneously because the hemorrhage and damage that operation is inconvenient, repetitious stimulation art district causes.
Description of drawings
Below in conjunction with drawings and Examples utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial sectional view of Fig. 1;
Fig. 3 be Fig. 1 stage casing C along A to view;
Fig. 4 is the enlarged drawing of D portion among Fig. 3;
Fig. 5 is the enlarged drawing of B portion among Fig. 2.
The specific embodiment
Fig. 1 is a structural representation of the present utility model; Fig. 2 is the partial sectional view of Fig. 1; Fig. 3 Fig. 1 stage casing C along A to view; Fig. 4 is the enlarged drawing of D portion among Fig. 3; Fig. 5 is the enlarged drawing of B portion among Fig. 2.As shown in the figure:
The novel maxillary sinus forceps of present embodiment, comprise jaw, caliper 1 and handle, described jaw comprises pincers leaf I 2 and pincers leaf II 3, described pincers leaf I 2 and the pincers leaf II 3 formation lever construction that is hinged, described handle comprises fixed handle 4 and movable handle 5, described fixed handle 4 fixedly installs with caliper 1, and described movable handle 5 and the fixed handle 4 formation lever construction that is hinged also comprises the closed driven unit of pincers leaf and from spacing jaw driven unit; The closed driven unit of pincers leaf comprises hauling rope 6 and compression spring 7, and the two ends of hauling rope 6 link to each other with the power point of movable handle resistance point with pincers leaf I 2 respectively, and 7 pairs of pincers of compression spring leaf I 2 applies the pressure pretightning force opposite with hauling rope 6 direction of pull; Also comprise from spacing jaw driven unit, describedly comprise rotating shaft 9 and driving shaft 14 from spacing jaw driven unit, rotating shaft 9 and driving shaft 14 are rotatably assorted at circumferencial direction with caliper respectively, rotating shaft 9 fixedly installs with pincers leaf II 3 and perpendicular to the rotational plane of pincers leaf I 2, driving shaft 14 inserts in the caliper and with rotating shaft 9 transmissions and cooperates, caliper 1 outer wall is provided with side keyway 16, and the corresponding spline 15 that is provided with side keyway of described driving shaft cylindrical is slidingly matched between spline and the keyway vertically.In the present embodiment, the rear end of driving shaft is provided with handle 17, is convenient to order about its rotation.During operation, driving shaft is pulled outwardly makes spline leave side keyway, rotating driveshaft rotates rotating shaft again, pincers leaf II is towards change thereupon, when pincers leaf II turns to required direction, spline is pushed keyway, pincers leaf II can fix, then by hauling rope pulling pincers leaf I closure, thereby realize the purpose of clamp, the interior lesion locations of intranasal videoendoscopic surgery, particularly maxillary sinus that this utility model is used to remove pathological tissues in the maxillary sinus is special, use the routine operation apparatus can realize easy the saving time of operating can't be with its operation of thoroughly removing the time, simplify operating procedure, effectively reduce the operation technique difficulty, increase success rate of operation, improve operative effect, prevent simultaneously because operation inconvenience, hemorrhage and the damage that repetitious stimulation art district causes.
As further improvement, present embodiment also comprises chain-drive mechanism, driven sprocket 11 coaxial the fixedly installing of rotating shaft and chain-drive mechanism, the drive sprocket 10 coaxial settings of described driving shaft 14 and chain-drive mechanism and with drive sprocket along the circumferential direction secure fit, reciprocatingly slide and cooperate vertically, this structure allows the patient need not operating forceps taken out in the body and can realize the adjustment of jaw direction, operate to process easier the time also to be easier to.
As further improvement, also comprise driving shaft return assembly, described driving shaft return assembly comprises top spring 18, described top spring 18 be positioned at caliper and along the circumferential direction be rotatably assorted with caliper, with the driving shaft secure fit, the top spring applies vertically the pretightning force of drawing to driving shaft; After driving shaft 14 rotates to desired location, unclamp driving shaft, the top spring can be drawn in driving shaft in the caliper automatically and make spline and the mutual screens of keyway, uses more convenient.
As further improvement, present embodiment also comprises spring mounting seat 8, and described spring mounting seat 8 fixedly installs with caliper, fixedlys connected with power point and the spring mounting seat of pincers leaf I respectively in the two ends of compression spring 7; Spring mounting seat is set is convenient to the spring installation, apparatus is made more convenient.
As further improvement, also comprise fixed pulley 13 in the present embodiment, described fixed pulley, hauling rope, compression spring and spring mounting seat all are positioned at caliper, make the more compact structure of apparatus, certain fixed pulley, hauling rope, compression spring and spring mounting seat are arranged at caliper and can realize the purpose of this utility model equally outward, the rotating shaft of described fixed pulley is perpendicular to the rotational plane of movable handle, described hauling rope is walked around fixed pulley and is formed rectangular shaped, by fixed pulley the direction of hauling rope is adjusted, the transmission of exerting all one's strength is more smooth and easy, avoid bite, make the application of apparatus more convenient.
Explanation is at last, although this utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. novel maxillary sinus forceps, comprise jaw, caliper and handle, described jaw comprises pincers leaf I and pincers leaf II, described pincers leaf I and the pincers leaf II formation lever construction that is hinged, described handle comprises fixed handle and movable handle, described fixed handle and caliper fixedly install, and described movable handle and the fixed handle formation lever construction that is hinged is characterized in that: also comprise the closed driven unit of pincers leaf and from spacing jaw driven unit;
The closed driven unit of described pincers leaf comprises hauling rope and compression spring, and the two ends of described hauling rope link to each other with the power point of movable handle resistance point with pincers leaf I respectively, and described compression spring applies the pressure pretightning force opposite with the hauling rope direction of pull to pincers leaf I;
Describedly comprise rotating shaft and driving shaft from spacing jaw driven unit, described rotating shaft and driving shaft are rotatably assorted at circumferencial direction with caliper respectively, described rotating shaft fixedly installs with pincers leaf II and perpendicular to the rotational plane of pincers leaf I, described driving shaft inserts in the caliper and with the rotating shaft transmission and cooperates, described caliper outer wall is provided with side keyway, the corresponding spline that is provided with side keyway of described driving shaft cylindrical is slidingly matched between spline and the keyway vertically.
2. novel maxillary sinus forceps according to claim 1, it is characterized in that: also comprise chain-drive mechanism, described rotating shaft fixedly installs with the driven sprocket of chain-drive mechanism is coaxial, described driving shaft and the coaxial setting of the drive sprocket of chain-drive mechanism, driving shaft and drive sprocket along the circumferential direction secure fit, reciprocatingly slide and cooperate vertically.
3. novel maxillary sinus forceps according to claim 1 and 2, it is characterized in that: also comprise driving shaft return assembly, described driving shaft return assembly comprises the top spring, described top spring be positioned at caliper and along the circumferential direction be rotatably assorted with caliper, with the driving shaft secure fit, the top spring applies vertically the pretightning force of drawing to driving shaft.
4. novel maxillary sinus forceps according to claim 3 is characterized in that: also comprise spring mounting seat, described spring mounting seat and caliper fixedly install, and fixedly connected with power point and the spring mounting seat of pincers leaf I respectively in the two ends of described compression spring.
5. novel maxillary sinus forceps according to claim 4, it is characterized in that: also comprise fixed pulley, described fixed pulley, hauling rope, compression spring and spring mounting seat all are positioned at caliper, the rotating shaft of described fixed pulley is perpendicular to the rotational plane of movable handle, and described hauling rope is walked around fixed pulley and formed rectangular shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202073016U CN201564552U (en) | 2009-11-24 | 2009-11-24 | Novel maxillary sinus pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202073016U CN201564552U (en) | 2009-11-24 | 2009-11-24 | Novel maxillary sinus pincers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201564552U true CN201564552U (en) | 2010-09-01 |
Family
ID=42656832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202073016U Expired - Fee Related CN201564552U (en) | 2009-11-24 | 2009-11-24 | Novel maxillary sinus pincers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201564552U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406514A (en) * | 2011-07-29 | 2012-04-11 | 中国人民解放军总医院 | Multi-angle throat surgical instrument |
| CN105561445A (en) * | 2015-12-19 | 2016-05-11 | 中国人民解放军第四军医大学 | Adjustable injection device for endoscope |
| CN105982701A (en) * | 2015-02-25 | 2016-10-05 | 李鉴墨 | Multi-angle drilling and milling tool for minimally-invasive surgery |
| CN115530916A (en) * | 2022-12-02 | 2022-12-30 | 成都美创医疗科技股份有限公司 | Outer cutter assembly and planer tool with adjustable bending angle |
-
2009
- 2009-11-24 CN CN2009202073016U patent/CN201564552U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406514A (en) * | 2011-07-29 | 2012-04-11 | 中国人民解放军总医院 | Multi-angle throat surgical instrument |
| CN105982701A (en) * | 2015-02-25 | 2016-10-05 | 李鉴墨 | Multi-angle drilling and milling tool for minimally-invasive surgery |
| CN105982701B (en) * | 2015-02-25 | 2018-12-18 | 李鉴墨 | Minimally Invasive Surgery bores milling tool with multi-angle |
| CN105561445A (en) * | 2015-12-19 | 2016-05-11 | 中国人民解放军第四军医大学 | Adjustable injection device for endoscope |
| CN105561445B (en) * | 2015-12-19 | 2019-05-21 | 中国人民解放军第四军医大学 | A kind of adjustable endoscope injection device |
| CN115530916A (en) * | 2022-12-02 | 2022-12-30 | 成都美创医疗科技股份有限公司 | Outer cutter assembly and planer tool with adjustable bending angle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201564552U (en) | Novel maxillary sinus pincers | |
| CN106725671A (en) | One kind takes out line tweezer automatically | |
| JP2011239975A5 (en) | ||
| CN111544086A (en) | Yellow ligament bites and removes pincers | |
| CN209808658U (en) | Ureteral stent implanting forceps for laparoscopic surgery | |
| CN107789075B (en) | Lever type vertical tooth extraction device with automatic reset function | |
| CN209863991U (en) | Uterine manipulator capable of reducing compression area on uterus | |
| CN208784844U (en) | A kind of device for removing calculus of intrahepatic duct | |
| CN114767203A (en) | Closed clamp suitable for alimentary canal scope | |
| CN209136742U (en) | Hemorrhoid anastomat | |
| CN109009252A (en) | A kind of laparoscopic surgery negative pressure rotary-cut specimen extractor | |
| CN107928739A (en) | Hemorrhoid anastomat | |
| CN211534678U (en) | Gastrointestinal surgery shearing device | |
| CN215062641U (en) | Biological medicine stores ventilation equipment | |
| CN114391901A (en) | Operation incision distraction device for hepatobiliary surgery | |
| CN220069772U (en) | Auxiliary traction device for endoscopy | |
| CN206979518U (en) | One kind takes out line tweezer automatically | |
| CN209422120U (en) | Healing radical occlusion device for PPH operation | |
| CN209450581U (en) | A kind of thyroid operation auxiliary device | |
| CN203662856U (en) | Maxillary sinus forceps | |
| CN208926517U (en) | Medical suction scraper | |
| CN213665460U (en) | Drag hook for orthopedic operation | |
| CN217960235U (en) | Clinical multi-angle nipper for digestive endoscopy | |
| CN215307967U (en) | Paediatrics hand rehabilitation training device | |
| CN220158341U (en) | Gall-stone removing device for gall-stone operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20121124 |