CN103462657B - Wicresoft's internal mammary artery retractor - Google Patents
Wicresoft's internal mammary artery retractor Download PDFInfo
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- CN103462657B CN103462657B CN201310393019.2A CN201310393019A CN103462657B CN 103462657 B CN103462657 B CN 103462657B CN 201310393019 A CN201310393019 A CN 201310393019A CN 103462657 B CN103462657 B CN 103462657B
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- support
- retractor
- draw
- mammary artery
- internal mammary
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Abstract
The invention provides a kind of Wicresoft internal mammary artery retractor, comprising: support, described support is detachably connected to operation table by the first securing member, and in surgical procedure across operation table be arranged on operation table above; With retractor main body, described retractor main body is detachably connected to support. Therefore, a upper root bone that can retract internal mammary artery according to Wicresoft of the present invention internal mammary artery retractor exposes internal mammary artery, thereby cut mini-invasive incision in thoracic cavity, left side and just can under the assisting of thoracoscope, complete the separation of internal mammary artery, so that carry out Wicresoft's coronary artery bypass surgery.
Description
Technical field
The present invention relates to medical instruments field, particularly, relate to a kind of leading for Wicresoft's separation internal mammary arteryDrive device.
Background technology
In minimally invasive heart operation, conventionally need to use retractor, to retract tissue, appear operating field, be convenient to visitLook into and operate. At present, the retractor using in cardiac surgical procedure is mainly erected between chest two ribs,And strut two adjacent rib and obtain the opening of the needed chest of openheart surgery.
The Chinese utility model CN2235270Y having authorized discloses the breastbone that a kind of cardiac operation uses and has ledDrive device, this sternum retractor comprises tooth bar, lever arm and fixed arm, on lever arm with pickpocket, fixed armUpper with locator card. In use, locator card blocks a pleurobranch bone, and the pickpocket on lever arm catches opposite sideBreastbone, swinging handle, movable block moves on tooth bar, drives lever arm, pushs breastbone heart aside enteredRow operation.
The Chinese utility model CN2382367Y having authorized discloses a kind of CABG chestBone retractor. This retractor is drawn by rack-plate, fixed arm, movable U-shaped baffle plate, lever arm, two band teethHook, screw, thumb wheel, rocking handle are composition, and movable U-shaped baffle plate to pressing down, is with tooth drag hook by half side right side breastboneHalf side left side breastbone is upwards carried, thereby exposed operating field.
Above-described retractor is all internal mammary artery retractors that conventional center open chest surgery is used, and is erected at chestBetween the both sides breastbone cutting of portion, thereby expose the internal mammary artery in operation, then interior breast is isolated in direct-viewArtery, as the material of coronary bypass, operative incision is wanted 25--35cm. And Wicresoft's coronary bypassOperation will be made in thoracic cavity, left side the little otch of a 5-8cm, exposes interior breast and moves by retracting a upper root boneArteries and veins completes the separation of internal mammary artery, so need a kind of special retractor under thoracoscope auxiliary.
Summary of the invention
In order to address the above problem, the invention provides a kind of Wicresoft internal mammary artery retractor, this retractor comprisesThe support that can be arranged on across operation table the top of operation table, retractor main body is detachably connected to supportOn. Therefore, can retract a upper root bone of internal mammary artery according to Wicresoft of the present invention internal mammary artery retractorExpose internal mammary artery, just can assisting at thoracoscope thereby cut a mini-invasive incision in thoracic cavity, left sideUnder complete the separation of internal mammary artery so that carry out Wicresoft's coronary artery bypass surgery.
Comprise according to Wicresoft of the present invention internal mammary artery retractor: support, described support is by the first securing memberBe detachably connected to operation table, and in surgical procedure across operation table be arranged on operation table above;With retractor main body, described retractor main body is detachably connected to support. Further, retractor main bodyComprise: pedestal, described pedestal can be dismantled and is connected to support by the second securing member, and pedestal comprises supportClamping part and from the outstanding cylindrical part of support clamping part, support clamping part has two relative bracket clampsHook to be support clamp is held between two support grabs, and in two support grabs one is formed with interior spiral shellLine, the second securing member comprises that one end is provided with the pedestal screw rod of handle, the external screw thread of pedestal screw rod and support grabInternal thread engage; Draw-bar seat, described draw-bar seat can be arranged on pedestal rotationally, and along parallelBe formed with draw-bar seat through hole in the direction of pedestal, draw-bar seat has recess, described recess and draw-bar seat through hole phaseBe communicated with; And pull bar, described pull bar extends through draw-bar seat through hole, and one end of pull bar is provided with drag hook.Cylindrical part inserts in recess, and pull bar is positioned on cylindrical part, and cylindrical part is formed with annularGroove, draw-bar seat has recess in the position corresponding with cannelure, and recess is connected with cannelure, fixesParts insert in cannelure and recess.
Alternatively, fix parts and comprise pin.
Further, pull bar is formed with ridge. Draw-bar seat in a side of draw-bar seat through hole along perpendicular to baseThe direction of seat is formed with gear through hole, and described gear through hole is communicated with draw-bar seat through hole. In described Wicresoft, breast is movingArteries and veins retractor also comprises rotary part, and rotary part comprises the gear part in insertion gear through hole and is positioned at gearThe gear swing handle of through hole outside, the gear of gear part engages with ridge.
Preferably, described Wicresoft internal mammary artery retractor also comprises ratchet, and described ratchet is hinged to draw-bar seat,And the end of ratchet is connected in ridge.
According to an aspect, the first securing member comprises two geometrical clamps, and described two geometrical clamps are connected respectively toCorresponding one end in the two ends of support.
Further, each in two geometrical clamps comprises that a clamping part, one end are provided with the fastening of handleScrew rod and from the outstanding protuberance of bed clamping part, a bed clamping part has two relative bed grabs with by operation tableEdge clamping be held between two bed grabs, and in two bed grabs one is formed with internal thread, fasteningThe external screw thread of screw rod engages with the internal thread of bed grab. Protuberance forms along the direction that is parallel to a clamping partHave rack ventilating hole so that rack ventilating hole is passed through in the end of support, and the end of protuberance is formed with internal thread.Described Wicresoft internal mammary artery retractor also comprises that one end is provided with the support screw of swing handle, the external screw thread of support screwEngage with the internal thread of protuberance.
Preferably, support has narrow, and retractor main body is connected to narrow.
Alternatively, drag hook has shape.
Brief description of the drawings
Above-mentioned and other side of the present invention and feature are by from being the explanation of embodiment is clear below in conjunction with accompanying drawingExisting, in the accompanying drawings:
Fig. 1 is according to the schematic perspective view of Wicresoft's internal mammary artery retractor of the embodiment of the present invention;
Fig. 2 is the enlarged drawing of the A part in Fig. 1, has shown the structure of the first securing member;
Fig. 3 is according to the structural representation of the retractor main body of retractor of the present invention;
Fig. 4 is according to the phantom of the link gear of retractor of the present invention;
Fig. 5 is the cutaway view of the syndeton of display base and draw-bar seat;
Fig. 6 is the stereogram that the part of the syndeton of display base and draw-bar seat is cut open; And
Fig. 7 is according to the working state figure of Wicresoft of the present invention internal mammary artery retractor.
Detailed description of the invention
In Wicresoft's coronary artery bypass surgery, need to cut in thoracic cavity, left side the little otch of a 5-8cm,Expose internal mammary artery by retracting a upper root bone, under thoracoscope auxiliary, complete the separation of internal mammary artery.Therefore, a side of operative incision is rib, and opposite side is soft tissue. Moving according to breast in Wicresoft of the present inventionArteries and veins retractor comprises support and retractor main body, and support is detachably connected to operation table by the first securing member,And in surgical procedure across operation table be arranged on operation table above, retractor main body removably connectsTo support. Therefore the upper root bone that, this Wicresoft's internal mammary artery retractor can retract internal mammary artery exposesInternal mammary artery, thus the separation of internal mammary artery completed.
Describe with reference to the accompanying drawings illustrative, non-limiting example of the present invention in detail, to according to the present inventionWicresoft's internal mammary artery retractor be further described.
Particularly, Fig. 1 has schematically shown according to the structure of Wicresoft of the present invention internal mammary artery retractor.Described retractor comprises by the first securing member and is detachably connected to the support 1 of operation table and removablyBe connected to the retractor main body 2 of support 1.
According to an embodiment, the first securing member comprises that 3, two geometrical clamps of two geometrical clamps are connected respectively toCorresponding one end in the two ends of support 1. With reference to Fig. 2, each in two geometrical clamps comprises bed clampingPortion 31, fastening screw 32 and from the outstanding protuberance 33 of bed clamping part 31. Bed clamping part 31 has phaseRight two bed grabs 331 and 332, so that the edge clamping of operation table is held between two bed grabs, andA bed grab 331 is formed with internal thread. One end of fastening screw 32 is provided with handle 321. Protuberance 33Be formed with rack ventilating hole 331 along the direction that is parallel to a clamping part 31, and the end shape of protuberance 33Become to have internal thread. Support screw 4 has external screw thread, and support screw 4 does not have externally threaded oneEnd is provided with swing handle 41.
In the time that needs Wicresoft separates internal mammary artery, first externally threaded having of support screw 4 end is insertedEnter in the internal thread of protuberance 33, then rotate swing handle 41 so that the external screw thread of support screw 4 and outstandingThe internal thread of portion 33 engages, and continues rotation swing handle 41 to be screwed into support screw 4, until support screw connectsTill touching support and support being fastened on geometrical clamp. Then, two geometrical clamps 3 are placed on respectively to handThe both sides of art bed, bed clamping part 31 is held in the edge clamping of bed between a grab 331 and 332. Then,Externally threaded being formed with of fastening screw 32 end is inserted in the internal thread of bed grab 331, rotate fasteningThe handle of screw rod 32, so that the external screw thread of fastening screw 32 engages with the internal thread of bed grab 331, and continuesContinuous this handle that rotates is to be screwed into fastening screw 32, until fastening screw contact bed edge is also clamped in securelyTill bed edge, thereby support 1 is fixed on operation table.
Next, describe the structure of retractor main body with reference to Fig. 3-6 in detail, retractor main body 2 comprises baseSeat 21, draw-bar seat 22 and pull bar 23. Pedestal 21 is detachably connected to support 1 by the second securing member.Draw-bar seat 22 is arranged on pedestal 21 rotationally, and is formed with along the direction that is parallel to pedestal 21Draw-bar seat through hole 221. Pull bar 23 extends through draw-bar seat through hole 221, and one end of pull bar 23 arrangesThere is drag hook 231. As shown in Figure 3, drag hook 231 has shape, but the shape of drag hook is not limited to this,And can adopt as required pawl type drag hook, with tooth drag hook, refer to the drag hook of any suitable shapes such as type drag hook.
Pedestal 21 comprises support clamping part 211 and from the outstanding cylindrical part 212 of support clamping part 211.Support clamping part 211 has two relative support grabs, support 1 is clamped in to two support grabsBetween. Preferably, support 1 has narrow 11 (as shown in Figure 6), and retractor main body 2 is connected toNarrow 11. Narrow 11 is narrower than the remainder of support 1, so that 211 clampings of support clamping partFrame. According to an embodiment, the second securing member comprises pedestal screw rod 5, and one end of pedestal screw rod 5 is provided with handHandle 51. One in two support grabs is formed with internal thread. When support clamping part 211 clamp bracket 1Time, the external screw thread of pedestal screw rod 5 is inserted in the internal thread of support grab, and then rotary handle 51 withThe external screw thread of pedestal screw rod 5 is engaged with the internal thread of support grab, continue rotary handle 51 with by pedestalScrew rod 5 is screwed into, until the end of pedestal screw rod touches support 1 and pedestal 21 is fixed on support 1Till.
Draw-bar seat 22 has recess 222, and this recess is connected with draw-bar seat through hole 221. Referring to Fig. 5,Cylindrical part 212 inserts in recess 222, and pull bar 23 is positioned on cylindrical part 212. CylinderShape part 212 is formed with cannelure 2120, and draw-bar seat 22 is in the position corresponding with cannelure 2120Have recess 223, this recess is connected with cannelure 2120. Fix parts 6 and insert cannelure 2120 HesIn recess 223, make draw-bar seat 22 be connected to pedestal 23 and can not separate. For example, fix firmware 6Can be pin (as shown in Figure 6), be not limited to this but fix firmware. Due to the cylindrical part of pedestal 23Be formed with cannelure and this cannelure and be connected with the recess of draw-bar seat 22, insert at fixing parts 6 simultaneouslyAfter cannelure 2120 and recess 223, draw-bar seat 22 can not separate with pedestal 23, but draw-bar seat 22Can rotate with respect to pedestal 23, thereby can regulate drag hook according to the action need in surgical procedurePosition.
Further, in one embodiment, draw-bar seat 22 in a side of draw-bar seat through hole 221 along hanging downDirectly be formed with gear through hole 224 in the direction of pedestal 21, this gear through hole is communicated with draw-bar seat through hole 221.Also comprise rotary part 7 according to retractor of the present invention, this rotary part comprises in insertion gear through hole 224Gear part 71 and be positioned at the gear swing handle 72 of gear through hole outside. Pull bar 23 is formed with ridge. GinsengAccording to Fig. 4 and Fig. 6, gear through hole 224 is communicated with draw-bar seat through hole 221, makes to insert when rotary part 7In gear through hole 224 time, the gear of gear part 71 engages with the ridge of pull bar 23. When operator turnsWhen moving rotary part 7, gear driven pull bar 23 moves in draw-bar seat through hole 221, thus adjusting yokeThe length of stretching out from draw-bar seat. Preferably, be also provided with ratchet 8 according to retractor of the present invention. Ratchet 8 cuts with scissorsReceive draw-bar seat 22, for example, ratchet 8 is hinged to draw-bar seat 22 by bearing pin 81. The end of ratchet 8Be connected in the ridge of pull bar 23, thereby make the pull bar 23 only can Unidirectional sliding in draw-bar seat through hole 221Moving. Fig. 4 has exemplarily shown ratchet, and wherein two ratchets 81 are hinged in the both sides of pull bar 23 respectivelyTo draw-bar seat 22. Be only exemplarily to show ratchet in order to illustrate at this, the quantity of ratchet is not limited to twoIndividual, a ratchet also can be only set.
Fig. 7 has shown according to the duty of Wicresoft of the present invention internal mammary artery retractor. In openheart surgeryIn, support 1 is fastened on operation table by two geometrical clamps 3, and support 1 is put across operation tablePut above patient, retractor main body 2 is connected on support 1. Retractor main body 2 can be according to operationPosition is chosen in the installation site on support, and passes through in the time that retractor main body is placed on to appropriate locationThe handle 51 of rotating basis screw rod 5 fixes retractor main body. Because draw-bar seat 22 arranges rotationallyOn pedestal 21, therefore can regulate by rotating tension bar seat direction and the position of drag hook. In addition draw,The ridge of bar 23, the gear of rotary part 7 and ratchet 8 form link gear, make to pass through rotary teethWheel swing handle 72 makes pull bar 23 single-way movings, thus the length that adjusting yoke stretches out from draw-bar seat. Therefore,Can regulate according to the operation in operation the position of drag hook according to Wicresoft of the present invention internal mammary artery retractorAnd mobile drag hook, a upper root bone that retracts internal mammary artery separates internal mammary artery with Wicresoft, thereby carries out micro-Wound coronary artery bypass surgery.
Although some embodiment of total inventive concept of the present invention are shown and explanation, the common skill in this areaArt personnel will be understood that, in the situation that not deviating from spirit of the present invention and principle, can do these embodimentGo out change, scope of the present invention claims with and equivalent in limit.
Claims (8)
1. Wicresoft's internal mammary artery retractor, comprising:
Support, described support can be dismantled and is connected to operation table by the first securing member, and is performing the operationIn journey, be arranged on the top of operation table across operation table; With
Retractor main body, described retractor main body can be dismantled and be connected to described support,
Wherein, described retractor main body comprises:
Pedestal, described pedestal can be dismantled and is connected to described support by the second securing member, described pedestal bagDraw together support clamping part and from the outstanding cylindrical part of described support clamping part, described support clamping part has phaseTwo right support grabs to be described support clamp is held between described two support grabs, and described twoOne in support grab is formed with internal thread, and described the second securing member comprises that one end is provided with the pedestal spiral shell of handleBar, the external screw thread of described pedestal screw rod engages with the internal thread of described support grab;
Draw-bar seat, described draw-bar seat can be arranged on described pedestal rotationally, and along described in being parallel toThe direction of pedestal is formed with draw-bar seat through hole, and described draw-bar seat has recess, described recess and described draw-bar seatThrough hole is connected; With
Pull bar, described pull bar extends through described draw-bar seat through hole, and one end of described pull bar is provided with and drawsHook,
Wherein, described cylindrical part inserts in described recess, makes described pull bar be positioned at described cylindrical portionDivide above, described cylindrical part is formed with cannelure, and described draw-bar seat is in the position corresponding with described cannelureThe place of putting has recess, and described recess is connected with described cannelure, fixes parts and inserts described cannelure and instituteState in recess.
2. Wicresoft according to claim 1 internal mammary artery retractor, wherein, described fixing parts comprisePin.
3. Wicresoft according to claim 1 internal mammary artery retractor, wherein:
Described pull bar is formed with ridge;
Described draw-bar seat is formed with tooth in a side of described draw-bar seat through hole along the direction perpendicular to described pedestalWheel through hole, described gear through hole is communicated with described draw-bar seat through hole; And
Described Wicresoft internal mammary artery retractor also comprises rotary part, and described rotary part comprises the described tooth of insertionThe gear part of wheel in through hole and be positioned at the gear swing handle of described gear through hole outside, the gear of described gear part withDescribed ridge engagement.
4. Wicresoft according to claim 3 internal mammary artery retractor, also comprises:
Ratchet, described ratchet is hinged to described draw-bar seat, and the end of described ratchet is connected to described screw threadIn tooth.
5. Wicresoft according to claim 1 internal mammary artery retractor, wherein, described the first securing member bagDraw together two geometrical clamps, described two geometrical clamps are connected respectively to the corresponding one end in the two ends of described support.
6. Wicresoft according to claim 5 internal mammary artery retractor, wherein:
Each in described two geometrical clamps comprise a clamping part, one end be provided with handle fastening screw andFrom the outstanding protuberance of described bed clamping part, described bed clamping part has two relative bed grabs performing the operationThe edge clamping of bed is held between described two bed grabs, and in described two bed grabs one is formed withScrew thread, the external screw thread of described fastening screw engages with the internal thread of described bed grab;
Described protuberance is formed with rack ventilating hole so that described support along the direction that is parallel to described bed clamping partEnd by described rack ventilating hole, and the end of described protuberance is formed with internal thread; And
Described Wicresoft internal mammary artery retractor also comprises that one end is provided with the support screw of swing handle, described support screwExternal screw thread engage with the internal thread of described protuberance.
7. Wicresoft according to claim 1 internal mammary artery retractor, wherein, described support has narrowPortion, described retractor main body is connected to described narrow.
8. Wicresoft according to claim 1 internal mammary artery retractor, wherein, described drag hook has L shapedShape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393019.2A CN103462657B (en) | 2013-09-02 | 2013-09-02 | Wicresoft's internal mammary artery retractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393019.2A CN103462657B (en) | 2013-09-02 | 2013-09-02 | Wicresoft's internal mammary artery retractor |
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| CN103462657A CN103462657A (en) | 2013-12-25 |
| CN103462657B true CN103462657B (en) | 2016-05-18 |
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| CN201310393019.2A Active CN103462657B (en) | 2013-09-02 | 2013-09-02 | Wicresoft's internal mammary artery retractor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108514437A (en) * | 2018-04-24 | 2018-09-11 | 大连大学附属中山医院 | Novel neurosurgery surgical retractor fixing device |
| CN108771554A (en) * | 2018-06-07 | 2018-11-09 | 大连大学附属中山医院 | Detachable brain section retractor fixing device |
| CN114795335B (en) * | 2022-06-24 | 2022-09-30 | 中南大学湘雅医院 | Incision opening device for minimally invasive surgery |
Citations (9)
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|---|---|---|---|---|
| US4337762A (en) * | 1980-02-19 | 1982-07-06 | Gauthier William K | Surgical retractor |
| US5616117A (en) * | 1995-08-03 | 1997-04-01 | Ohio Medical Instrument Company, Inc. | Self locking surgical retractor |
| EP0972491A1 (en) * | 1998-06-09 | 2000-01-19 | Pine Ridge Holdings Pty Limited | Clamping device |
| WO2000066008A1 (en) * | 1999-05-04 | 2000-11-09 | Cardiothoracic Systems, Inc. | Surgical instruments for accessing and stabilizing a localized portion of a beating heart |
| GB2382306A (en) * | 2001-09-27 | 2003-05-28 | Cls Medical Ltd | A clamp for simultaneously clamping both a clamp support bar and a surgical retractor into position |
| CN201578295U (en) * | 2009-12-25 | 2010-09-15 | 周松 | Combined retractor |
| CN203089244U (en) * | 2013-03-08 | 2013-07-31 | 薛英威 | Abdomen minimally invasive retractor |
| CN203107190U (en) * | 2013-03-11 | 2013-08-07 | 黄义星 | Self-retaining retractor of cervicothoracic vertebral anterior minimally invasive surgery |
| CN203506777U (en) * | 2013-09-02 | 2014-04-02 | 谢斌 | Minimally-invasive internal mammary artery retractor |
-
2013
- 2013-09-02 CN CN201310393019.2A patent/CN103462657B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337762A (en) * | 1980-02-19 | 1982-07-06 | Gauthier William K | Surgical retractor |
| US5616117A (en) * | 1995-08-03 | 1997-04-01 | Ohio Medical Instrument Company, Inc. | Self locking surgical retractor |
| EP0972491A1 (en) * | 1998-06-09 | 2000-01-19 | Pine Ridge Holdings Pty Limited | Clamping device |
| WO2000066008A1 (en) * | 1999-05-04 | 2000-11-09 | Cardiothoracic Systems, Inc. | Surgical instruments for accessing and stabilizing a localized portion of a beating heart |
| GB2382306A (en) * | 2001-09-27 | 2003-05-28 | Cls Medical Ltd | A clamp for simultaneously clamping both a clamp support bar and a surgical retractor into position |
| CN201578295U (en) * | 2009-12-25 | 2010-09-15 | 周松 | Combined retractor |
| CN203089244U (en) * | 2013-03-08 | 2013-07-31 | 薛英威 | Abdomen minimally invasive retractor |
| CN203107190U (en) * | 2013-03-11 | 2013-08-07 | 黄义星 | Self-retaining retractor of cervicothoracic vertebral anterior minimally invasive surgery |
| CN203506777U (en) * | 2013-09-02 | 2014-04-02 | 谢斌 | Minimally-invasive internal mammary artery retractor |
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| CN103462657A (en) | 2013-12-25 |
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