CN201949063U - Three-blade retractor - Google Patents
Three-blade retractor Download PDFInfo
- Publication number
- CN201949063U CN201949063U CN2011200426627U CN201120042662U CN201949063U CN 201949063 U CN201949063 U CN 201949063U CN 2011200426627 U CN2011200426627 U CN 2011200426627U CN 201120042662 U CN201120042662 U CN 201120042662U CN 201949063 U CN201949063 U CN 201949063U
- Authority
- CN
- China
- Prior art keywords
- pincers handle
- side pincers
- bolt
- pincers handles
- handles
- 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
Abstract
The utility model discloses a three-blade retractor which comprises a left pliers handle (21) and a right pliers handle (22) that are rotationally connected, and further comprises a left blade (11), a right blade (12) and a lower blade (13) that can sourround a circle, wherein the left blade (11) is fixedly connected with the left pliers handle (21), the right blade (12) is fixedly connected with the right pliers handle (22), the lower blade (13) is fixedly connected with a sliding pulling piece (23), a skid road (231) is arranged in the sliding pulling piece (23), and a locating pin (3) is arranged at the junction of the left pliers handle (21) and the right pliers handle (22) and is nested in the skid road (231); and a left connecting sheet (71) and a right connecting sheet (72) are respectively rotationally connected with the sliding pulling piece (23) through a lower shaft pin (73). During an oepration, by virtue of the three-blade retractor, a channel provided with width and heigth and allowing surgical instruments to access can be established.
Description
Technical field
This utility model relates to a kind of retractor, particularly a kind of SANYE retractor.
Background technology
Retractor is an instrument commonly used in the operation, is used for strutting among a small circle soft tissue, thereby sets up the access way of operating theater instruments, is convenient to operating theater instruments and enters intraperitoneal enforcement operation.Present existing retractor structure is as follows: comprise lobus sinister sheet and lobus dexter sheet, lobus sinister sheet and left side pincers handle are fixedly linked, and lobus dexter sheet and right pincers handle are fixedly linked, and this left side pincers handle and right pincers handle are rotatedly connected by pivot pin.During actual the use, by opening left side pincers handle and right pincers handle (promptly enlarging the distance between lobus sinister sheet and the lobus dexter sheet), strut soft tissue and set up the effect that operating theater instruments is used passage thereby just can play.But therefore this retractor only is fit to slim operating theater instruments (for example general surgery cutter) owing to can only laterally strut soft tissue; And be when having certain thickness operating theater instruments when operation is selected, must the super large amplitude strut the access way that soft tissue just can be set up operating theater instruments, can cause patient's wound to become greatly like this, increased the degree of difficulty of patient's later stage rehabilitation.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of SANYE retractor, uses this SANYE retractor to set up in operation process and has width and operating theater instruments access way highly simultaneously.
In order to solve the problems of the technologies described above, this utility model provides a kind of SANYE retractor, comprise the left side pincers handle and right pincers handle that are rotatedly connected, also comprise and to surround conglobate lobus sinister sheet, lobus dexter sheet and lower blade, the lobus sinister sheet is fixedly linked with left side pincers handle, the lobus dexter sheet is fixedly linked with right pincers handle, and lower blade and slip pulling-on piece are fixedly linked; In the slip pulling-on piece slideway is set, at left side pincers handle and the right connecting place that clamps handle alignment pin is set, set pin sleeve is loaded in the slideway, is provided with locating surface on the top of alignment pin, and the cross section of locating surface is greater than the cross section of slideway;
The lower end of lower shaft pin and slip pulling-on piece is fixedly linked, and an end of left brace is rotatedly connected by lower shaft pin and slip pulling-on piece, and the other end of left brace is rotatedly connected with left side pincers handle; One end of right brace is rotatedly connected by lower shaft pin and slip pulling-on piece, and the other end of right brace is rotatedly connected with right pincers handle;
Between left side pincers handle and right pincers handle, be provided for fixing left side pincers handle and the right lock set that clamps the handle relative position relation.
Improvement as SANYE retractor of the present utility model: lock set comprises pintle hook lock and bolt, is provided with the bolt passage in the pincers handle of a left side, and the right-hand member of bolt is fixedly linked with right pincers handle, and the left end of bolt runs through the bolt passage; In the lower surface of bolt the bolt tooth is set, is provided with the pintle hook lock tooth that matches with the bolt tooth in the upper surface of pintle hook lock; Pintle hook lock is rotatedly connected with left side pincers handle, in the medial wall of a left side pincers handle elastic pressuring plate is set, and the right-hand member of pintle hook lock is supporting elastic pressuring plate after running through the bolt passage.
Further improvement as SANYE retractor of the present utility model: the medial wall at left side pincers handle is provided with left support chip, in the medial wall of right side pincers handle the right support chip that is movably connected with left support chip is set.
Further improvement as SANYE retractor of the present utility model: the positioning strip that on left side pincers handle or right pincers handle, is provided for controlling maximum enlarging degree between lobus sinister sheet, lobus dexter sheet and the lower blade.
Further improvement as SANYE retractor of the present utility model: left side pincers handle recess is set in the lateral wall of left side pincers handle, right pincers handle recess is set in the lateral wall of right side pincers handle.
SANYE retractor of the present utility model, when lobus sinister sheet and lobus dexter sheet expanded outwardly, the slip pulling-on piece can drive lower blade simultaneously and move down, thereby plays the effect that lobus sinister sheet, lobus dexter sheet and lower blade expand outwardly simultaneously.Therefore, in operation process, use this SANYE retractor can set up the operating theater instruments access way that has width and height simultaneously.SANYE retractor of the present utility model is simple in structure, easy to use, is convenient to the use of medical worker in operation.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is that the master after the biopsy cavity marker devices of SANYE retractor of the present utility model looks sketch map;
Fig. 2 is the schematic rear view of Fig. 1;
Fig. 3 is that enlarged diagram is looked on the right side of A portion among Fig. 2;
Fig. 4 is that sketch map is looked on the left side after the biopsy cavity marker devices of Fig. 1.
The specific embodiment
Fig. 1 ~ Fig. 4 comprises left side pincers handle 21, right pincers handle 22 and slip pulling-on piece 23 in conjunction with having provided a kind of SANYE retractor, also comprises surrounding conglobate lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13; Lobus sinister sheet 11 is fixedly linked with left side pincers handle 21, and lobus dexter sheet 12 is fixedly linked with right pincers handle 22, and lower blade 13 is fixedly linked with slip pulling-on piece 23.Slideway 231 is set in slip pulling-on piece 23.
The middle part of left side pincers handle 21 is provided with semicircle shape protuberance 27, middle part at right side pincers handle 22 is provided with the semicircle shape recess that matches with above-mentioned semicircle shape protuberance 27, above-mentioned semicircle shape protuberance 27 is rotatedly connected by last pivot pin 10 with the semicircle shape recess, thereby realizes that the middle part of left side pincers handle 21 and the middle part of right pincers handle 22 are rotatedly connected.
27 places are provided with alignment pin 3 at the semicircle shape protuberance, that is, the tail end of alignment pin 3 and semicircle shape protuberance 27 are fixedly linked; This alignment pin 3 is set in the slideway 231, that is, alignment pin 3 can slide up and down with respect to slideway 231; Be provided with locating surface 31 on the top of alignment pin 3, the cross section of this locating surface 31 is greater than the cross section of slideway 231, thereby alignment pin 3 is limited in the slideway 231,, avoids alignment pin 3 slippage from slideway 231 that is.
In the lower end of slip pulling-on piece 23 lower shaft pin 73 is set, the lower end of this slip pulling-on piece 23 and lower shaft pin 73 are fixedly linked; One end of left side brace 71 is rotatedly connected by lower shaft pin 73 and slip pulling-on piece 23, and the other end of left brace 71 is rotatedly connected by screw 74 and left side pincers handle 21.One end of right brace 72 is rotatedly connected by lower shaft pin 73 and slip pulling-on piece 23, and the other end of right brace 72 is rotatedly connected by screw 75 and right pincers handle 22.Clamp handle 21 to the left side between the screw 74, form a closure and axisymmetric tetragon thereby make at pivot pin 10 to the pincers handle 22 of the right side between the screw 75, left brace 71 and right brace 72 at pivot pin 10.
Between left side pincers handle 21 and right pincers handle 22, be provided for fixing left side pincers handle 21 and the right lock set that clamps handle 22 relative position relations, this lock set is positioned at the below of pivot pin 10, its structure is specific as follows: this lock set comprises pintle hook lock 5 and bolt 4, is provided with the bolt passage 24 that laterally runs through left side pincers handle 21 in the pincers handle 21 of a left side; The right-hand member of bolt 4 is fixedly linked with right pincers handle 22, and the left end of bolt 4 runs through above-mentioned bolt passage 24; In the lower surface of bolt 4 bolt tooth 41 is set.Pintle hook lock 5 is rotatedly connected by pintle hook lock pivot pin 52 and left side pincers handle 21, is provided with the pintle hook lock tooth 51 that matches with bolt tooth 41 in the upper surface of pintle hook lock 5; When pintle hook lock tooth 51 was snapped on the bolt tooth 41 between 2 adjacent teeth, the relative position relation between pintle hook lock 5 and the bolt 4 was effectively fixed, that is, left side pincers handle 21 is effectively fixed with the right relative position relation that clamps between the handle 22.Medial wall at left side pincers handle 21 is provided with elastic pressuring plate 6, and the lower end of elastic pressuring plate 6 is fixedly linked by the medial wall of screw 61 with left side pincers handle 21; The right-hand member of pintle hook lock 5 runs through the upper end of supporting elastic pressuring plate 6 behind the bolt passage 24.
Medial wall at left side pincers handle 21 is provided with left support chip 81, this left side support chip 81 is combined by a straight-arm and an oblique arm, the straight-arm of left side support chip 81 is fixedly linked by the medial wall of screw 83 with left side pincers handle 21, at the top of left support chip 81 oblique arms protuberance 811 is set.Medial wall at right side pincers handle 22 is provided with right support chip 82, this right side support chip 82 is combined by a straight-arm and an oblique arm, the straight-arm of this right side support chip 82 is fixedly linked by the medial wall of screw 84 with right pincers handle 22, at the top of right support chip 82 oblique arms the recess 821 that matches with protuberance 811 is set; Raised part 811 is set in the recess 821, thereby realizes that the oblique arm of left support chip 81 and the oblique arm of right support chip 82 are rotatedly connected.Whole left support chip 81 and whole right support chip 82 all are positioned at the below of bolt 4.
Between the short transverse of pivot pin 10 and bolt 4 positioning strip 9 is set, promptly on short transverse, this positioning strip 9 is positioned at the top of bolt 4 and is positioned at the below of pivot pin 10.The right-hand member of this positioning strip 9 is fixedly linked with left side pincers handle 21; This closes up when circular when lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13, maintains a certain distance (as shown in Figure 2) between the left end of positioning strip 9 and the right pincers handle 22; When this opened to maximum rating (being corresponding maximum enlarging degree) when lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13, the left end of positioning strip 9 was supporting right pincers handle 22, that is, positioning strip 9 is used to control the maximum enlarging degree of SANYE retractor of the present utility model.
Several (for example being 3 ~ 7) left side pincers handle recess 25 is set in the lateral wall of left side pincers handle 21, several right pincers handle recesses 26 are set in the lateral wall of right side pincers handle 22, the quantity of right pincers handle recess 26 equals the quantity of left side pincers handle recess 25.The effect of left side pincers handle recess 25 and right pincers handle recess 26 is: be convenient to user and can hold left side pincers handle 21 and right pincers handle 22 securely.
During the actual use of above-mentioned SANYE retractor, concrete job content is as follows:
1, the thumb of user and all the other 4 fingers are put forth one's strength respectively and are being held left side pincers handle recess 25 and right pincers handle recess 26, overcome the resistance that left support chip 81 and right support chip 82 are produced, thereby the lower end that makes left side pincers handle 21 dwindles with the distance between the right lower end of clamping handle 22, that is, dwindle at pincers handle 21 of the left side under the pivot pin 10 and the distance between the pincers handle 22 of the right side under the pivot pin 10; And increase, thereby make lobus sinister sheet 11 and lobus dexter sheet 12 expand outwardly (that is, the distance between lobus sinister sheet 11 and the lobus dexter sheet 12 increases) at pincers handle 21 of the left side on the pivot pin 10 and the distance between the pincers handle 22 of the right side on the pivot pin 10.Meanwhile, owing to clamp handle 21 to the left side between the screw 74, form a closure and axisymmetric tetragon at pivot pin 10 to the pincers handle 22 of the right side between the screw 75, left brace 71 and right brace 72 at pivot pin 10; According to the tetragonal motion principle of axial symmetry, when pivot pin 10 to the left side between the screw 74 pincers handle 21 with clamp distance between the handle 22 on the right side of pivot pin 10 between screw 75 when dwindling, the junction point of left side brace 71 and right brace 72 moves down, thereby make lower shaft pin 73 drive slip pulling-on piece 23(and drive lower blade 13 indirectly) move down, thereby when being implemented in lobus sinister sheet 11 and lobus dexter sheet 12 and expanding outwardly, lower blade 13 also expands outwardly simultaneously.Therefore can on width and these 2 directions of height, strut soft tissue equably simultaneously, set up the operating theater instruments access way.
In said process, left side pincers handle 21 drives pintle hook lock 5 by pintle hook lock pivot pin 52 and moves together, and makes the right-hand member of pintle hook lock 5 overcome the resistance of elastic pressuring plate 6; The pintle hook lock tooth 51 that is positioned at pintle hook lock 5 upper surfaces moves along bolt tooth 41.When lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13 expand outwardly the formed enlarging amplitude in back and reach actual required degree, stop left side pincers handle recess 25 and right pincers handle recess 26 are exerted pressure, at this moment, because pintle hook lock tooth 51 is snapped on the bolt tooth 41 between 2 adjacent teeth, therefore, relative position relation between pintle hook lock 5 and the bolt 4 is effectively fixed, thereby the relative position relation between left side pincers handle 21 and the right pincers handle 22 is effectively fixed, finally made lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13 expand outwardly the formed enlarging amplitude in back and effectively fixed.
When the left end of positioning strip 9 is supporting right pincers handle 22, lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13 this when opening to maximum rating (being corresponding maximum enlarging degree); At this moment, even left side pincers handle recess 25 and right pincers handle recess 26 are exerted pressure, this also can't expand outwardly lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13 more again.
2, after operation is finished, press pintle hook lock 5 downwards, pintle hook lock 5 rotates with respect to left side pincers handle 21 along pintle hook lock pivot pin 52, under the effect of elastic pressuring plate 6 restoring forces, pintle hook lock tooth 51 and bolt tooth 41 are separated, left side pincers handle 21 and right pincers handle 22 restored to the original state and (that is, increased at pincers handle 21 of the left side under the pivot pin 10 and the distance between the pincers handle 22 of the right side under the pivot pin 10 under the effect of left support chip 81 and right support chip 82 restoring forces this moment; And dwindle at pincers handle 21 of the left side on the pivot pin 10 and the distance between the pincers handle 22 of the right side on the pivot pin 10), thereby drive lobus sinister sheet 11,12 reinstatements of lobus dexter sheet; Meanwhile, thus slip pulling-on piece 23 also drives and moves reinstatement on the lower blade 13.That is, lobus sinister sheet 11, lobus dexter sheet 12 and lower blade 13 are enclosed circle, as shown in Figure 1.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the present utility model.Obviously, this utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of this utility model all should be thought protection domain of the present utility model.
Claims (5)
1. SANYE retractor, comprise the left side pincers handles (21) and right pincers handle (22) that are rotatedly connected, it is characterized in that: also comprise to surround conglobate lobus sinister sheet (11), lobus dexter sheet (12) and lower blade (13), described lobus sinister sheet (11) is fixedly linked with left side pincers handles (21), lobus dexter sheet (12) is fixedly linked with right pincers handles (22), and lower blade (13) is fixedly linked with slip pulling-on piece (23); Slideway (231) is set in slip pulling-on piece (23), at left side pincers handles (21) and the right connecting place that clamps handles (22) alignment pin (3) is set, described alignment pin (3) is set in the slideway (231), be provided with locating surface (31) on the top of alignment pin (3), the cross section of described locating surface (31) is greater than the cross section of slideway (231);
Lower shaft pin (73) is fixedly linked with the lower end of slip pulling-on piece (23), and an end of described left brace (71) is rotatedly connected by lower shaft pin (73) and slip pulling-on piece (23), and the other end of described left brace (71) is rotatedly connected with left side pincers handles (21); One end of described right brace (72) is rotatedly connected by lower shaft pin (73) and slip pulling-on piece (23), and the other end of right brace (72) is rotatedly connected with right pincers handles (22);
Between left side pincers handle (21) and right pincers handles (22), be provided for fixing left side pincers handles (21) and the right lock set that clamps handle (22) relative position relation.
2. SANYE retractor according to claim 1, it is characterized in that: described lock set comprises pintle hook lock (5) and bolt (4), in left side pincers handles (21), be provided with bolt passage (24), the right-hand member of bolt (4) is fixedly linked with right pincers handles (22), and the left end of bolt (4) runs through bolt passage (24); In the lower surface of bolt (4) bolt tooth (41) is set, is provided with the pintle hook lock tooth (51) that matches with bolt tooth (41) in the upper surface of pintle hook lock (5); Described pintle hook lock (5) is rotatedly connected with left side pincers handles (21), in the medial wall of left side pincers handles (21) elastic pressuring plate (6) is set, and the right-hand member of described pintle hook lock (5) is supporting elastic pressuring plate (6) after running through bolt passage (24).
3. SANYE retractor according to claim 2 is characterized in that: the medial wall at described left side pincers handles (21) is provided with left support chip (81), in the medial wall of right side pincers handles (22) the right support chip (82) that is movably connected with left support chip (81) is set.
4. SANYE retractor according to claim 3 is characterized in that: the positioning strip (9) that is provided for controlling maximum enlarging degree between lobus sinister sheet (11), lobus dexter sheet (12) and the lower blade (13) on left side pincers handle (21) or right pincers handles (22).
5. SANYE retractor according to claim 4 is characterized in that: left side pincers handle recess (25) is set in the lateral wall of described left side pincers handles (21), right pincers handle recess (26) is set in the lateral wall of right side pincers handles (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200426627U CN201949063U (en) | 2011-02-21 | 2011-02-21 | Three-blade retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200426627U CN201949063U (en) | 2011-02-21 | 2011-02-21 | Three-blade retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201949063U true CN201949063U (en) | 2011-08-31 |
Family
ID=44493194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200426627U Expired - Fee Related CN201949063U (en) | 2011-02-21 | 2011-02-21 | Three-blade retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201949063U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102805655A (en) * | 2012-07-29 | 2012-12-05 | 宁波市鄞州青林医疗器械技术咨询有限公司 | Port expanding haemostatic forceps |
| CN103876792A (en) * | 2012-12-24 | 2014-06-25 | 孙墨 | Endoscope retractor of minimally invasive surgery |
| CN107115093A (en) * | 2017-05-08 | 2017-09-01 | 北京聚精瑞生医疗科技有限公司 | Cloverleaf specula |
-
2011
- 2011-02-21 CN CN2011200426627U patent/CN201949063U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102805655A (en) * | 2012-07-29 | 2012-12-05 | 宁波市鄞州青林医疗器械技术咨询有限公司 | Port expanding haemostatic forceps |
| CN103876792A (en) * | 2012-12-24 | 2014-06-25 | 孙墨 | Endoscope retractor of minimally invasive surgery |
| CN107115093A (en) * | 2017-05-08 | 2017-09-01 | 北京聚精瑞生医疗科技有限公司 | Cloverleaf specula |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201949063U (en) | Three-blade retractor | |
| CN201341904Y (en) | Pore-expanding clamp for minimal traumatic operation | |
| CN204121111U (en) | Fracture of upper limb reduction forceps | |
| CN204428092U (en) | For removing the surgery ligature scissors of wound suture line | |
| CN202821499U (en) | Clamping and pressing forceps for varicosis of great saphenous vein desquamation operation | |
| CN201431487Y (en) | Hemostat | |
| CN201353178Y (en) | Microplate cutting and shaping pliers | |
| CN209186921U (en) | A kind of bone holding forcep | |
| CN208989016U (en) | A kind of clinical department of internal medicine vessel forceps | |
| CN201684066U (en) | Ophthalmological special nipper | |
| CN217611436U (en) | Double-fold eyelid shaping effect simulation appurtenance | |
| CN207613821U (en) | Medical cutting nippers | |
| CN204814034U (en) | Execute clamp with open and press from both sides function | |
| CN201098175Y (en) | Improved operation pincers | |
| CN203841675U (en) | Laparoscopic holding assistant device | |
| WO2021000398A1 (en) | Scalp spreader for use in neurosurgical craniotomy | |
| CN203195724U (en) | Surgical operation spreading forceps | |
| JP3118904U (en) | Medical cutter | |
| CN201160875Y (en) | Skin flap tension pliers | |
| CN217827982U (en) | Novel front-clamping type clip applier | |
| CN209422046U (en) | A kind of fusiform incision Special surgical knife handle | |
| CN104382621B (en) | Surgical suture removing scissors for removing wound suture | |
| CN206333937U (en) | A kind of hemostatic forceps for surgical operations | |
| CN202086521U (en) | Bent plastic titanium clamp forceps | |
| CN205411258U (en) | Neurosurgery rongeur |
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: 20110831 Termination date: 20120221 |