CN204274600U - The Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope - Google Patents
The Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope Download PDFInfo
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- CN204274600U CN204274600U CN201420537896.2U CN201420537896U CN204274600U CN 204274600 U CN204274600 U CN 204274600U CN 201420537896 U CN201420537896 U CN 201420537896U CN 204274600 U CN204274600 U CN 204274600U
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- blade
- sheath
- button
- plate
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Abstract
The utility model discloses the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope, comprise operator sheath, secondary sheath, blade and cutting mechanism, sheath of wherein operating is provided with screw hole, button activity groove, scale label, lock groove and twill; Secondary sheath is provided with screw hole, scale label and twill; Blade is provided with blade scale and blade mounting holes; Cutting mechanism comprises blade installation slot, elastic steel sheet, button, lock pin and tool rest.Cutter described in the utility model, when tearing position by arthroscopic portal arrival, effectively can avoid the normal structures such as damages peripheral nervus vasculairs, femoral cartilage, tibial plateau cartilage and front and back ligamentaum cruciatum; Breach is accurately measured, thus clean cut, preserve and protect the normal meniscus tissue to greatest extent; Easy and simple to handle, twill increases frictional force, comes off from hands to avoid scalpel; Locking device, avoids different transforming gear to slip up and damaged tissue, improves safety.
Description
Technical field
This utility model relates to the Multifunction expanding cutter of operation, especially the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope.
Background technology
Outside knee joint, plate-like rupture of meniscus is very common, for the patient of outside plate-like rupture of meniscus, doctor usually directly cuts with scalpel under arthroscope, enter to from arthroscopic portal again and tear meniscus, cut in meniscal process and extremely easily damage normal condyle of femur cartilage, tibial plateau cartilage and the tissue such as blood vessel around and nerve.General surgery blade lengths is fixed, and is difficult to adapt to the different feature of meniscus different parts thickness; The cartilage of people is non-renewable, the nerve injury of knee joint important blood vessels, can bring great misery, even threat to life to patient.In order to protect normal structure, the improvement of traditional operation cutter and meniscus cutter defect is urgently carried out.
Summary of the invention
For solving an above existing difficult problem, protection normal articular cartilage, ligamentaum cruciatum and periarticular nervus vasculairs, the utility model discloses the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope, comprise operator sheath, secondary sheath, blade and cutting mechanism, sheath of wherein operating is provided with screw hole, button activity groove, scale label, lock groove and twill; Secondary sheath is provided with screw hole, scale label and twill; Blade is provided with blade scale and blade mounting holes; Cutting mechanism comprises blade installation slot, elastic steel sheet, button, lock pin and tool rest.
Described operator sheath and secondary sheath are long Baltimore groove, four angles are respectively equipped with screw hole, with the form of concave surface to concave surface, are placed in by cutting mechanism between operator sheath and secondary sheath, adopt primary screw to be fixed up by four groups of screw holes on the sheath corner coincide respectively, form closed sheath; Blade realizes assembling and dismantling by the blade installation slot on blade mounting holes and tool rest.
At button activity trough rim along being provided with 7 lock grooves, totally 6 gears (not comprising 0 grade), button is that an elastic steel sheet supports.Press the button when elastic steel sheet is pressed down, button together with tool rest can in sheath Stable sliding; When elastic steel sheet loses ambient pressure, then the rapid resilience of elastic steel sheet, now promote button and lock pin when streaking lock groove, lock pin compresses by himself elastic force and is locked in lock groove by elastic steel sheet, and now tool rest can not slide, blade not flexible; When elastic steel sheet presses down again, lock pin depart from lock groove time, promote button then blade together with tool rest again can in sheath Stable sliding.Wherein, elastic steel sheet is connected on tool rest, and button can slide along button activity groove together with elastic steel sheet; Tool rest fits tightly in closed sheath can Stable sliding.
When entering intraarticular with obtuse head, sharp cutter is hidden in handle of a knife.The scale of 0-30mm is marked with at obtuse head, in units of 1mm, can carry out measuring under arthroscope in art, as how measured the distance of the degree of depth of rupture of meniscus and rupture of meniscus mouth distance joint capsule, both damaging normal tissue was avoided, the function measured under achieving again mirror.
When arrival will cut meniscus position, according to recording the cut degree of depth, promote the button at handle of a knife position, be divided into 1,2,3,4,5,6 totally six shelves, often promote shelves, cutting blade stretches out increases 5mm, namely 1 grade of blade stretches out 5mm, and 2 grades of blades stretch out 10mm, and 3 grades of blades stretch out 15mm, 4 grades of blades stretch out 20mm, 5 grades of blades stretch out 25mm, and 6 grades of blades stretch out 30mm, make cutting blade from handle of a knife, stretch out suitable length, on the cutting blade stretched out, be carved with the scale in units of 1mm, the meniscal degree of depth of each cutting for confirmation simultaneously.
Button often stretches out one grade, can be pulled locking gear level by button.Comprise 0 grade, during each conversion gear, button must be pressed locking of upspringing again again, to prevent from automatically deviating from blade, and damaged tissue.At handle of a knife grip portions, the twill arranging 2cm is to increase frictional force when doctor grips handle of a knife.
Beneficial effect: cutter described in the utility model, when tearing position by arthroscopic portal arrival, effectively can avoid the normal structures such as damages peripheral nervus vasculairs, femoral cartilage, tibial plateau cartilage and front and back ligamentaum cruciatum; Accurately measure under can carrying out mirror to the position of breach, design cut coverage and mode in advance, thus clean cut, preserve and protect the normal meniscus tissue to greatest extent; Avoid medical personnel's incision in operation; Easy and simple to handle, twill increases frictional force, comes off from hands to avoid scalpel; Locking device, avoids different transforming gear to slip up and damaged tissue, improves safety.
Accompanying drawing explanation
Fig. 1 is operator sheath structure chart;
Fig. 2 is secondary sheath structure chart;
Fig. 3 is blade structure figure;
Fig. 4 is cutting mechanism figure;
Fig. 5 is different gear design sketchs;
Fig. 6 is lockup state figure;
Fig. 7 is active state figure.
Wherein, 1, screw hole, 2, button activity groove, 3, scale label, 4, lock groove, 5, twill, 6, blade scale, 7, blade mounting holes, 8, blade installation slot, 9, elastic steel sheet, 10, button, 11, lock pin, 12, tool rest.
Detailed description of the invention
By reference to the accompanying drawings, this utility model is described in further details.
As shown in the figure, the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope, comprise operator sheath, secondary sheath, blade and cutting mechanism, sheath of wherein operating is provided with screw hole (1), button activity groove (2), scale label (3), lock groove (4) and twill (5); Secondary sheath is provided with screw hole (1), scale label (3) and twill (5); Blade is provided with blade scale (6) and blade mounting holes (7); Cutting mechanism comprises blade installation slot (8), elastic steel sheet (9), button (10), lock pin (11) and tool rest (12).
Described operator sheath and secondary sheath are long Baltimore groove, four angles are respectively equipped with screw hole (1), with the form of concave surface to concave surface, cutting mechanism is placed between operator sheath and secondary sheath, adopt primary screw four groups of screw holes (1) on the sheath corner coincide respectively to be fixed up, form closed sheath; Blade realizes assembling and dismantling by blade mounting holes (7) and the blade installation slot (8) on tool rest.
Be provided with 7 lock grooves (4) at button activity groove (2) edge, totally 6 gears (not comprising 0 grade), button (10) is that an elastic steel sheet (9) supports.Press the button (10) when elastic steel sheet (9) is pressed down, button (10) together with tool rest (12) can in sheath Stable sliding; When elastic steel sheet (9) loses ambient pressure, then elastic steel sheet (9) resilience rapidly, now promote button (10) and lock pin (11) streaks lock groove (4) time, lock pin (11) to compress by himself elastic force and is locked in lock groove (4) by elastic steel sheet (9), now tool rest (12) can not slide, blade not flexible; When elastic steel sheet (9) presses down again, lock pin (11) depart from lock groove (9) time, promote button (10) then blade together with tool rest (12) again can in sheath Stable sliding.Wherein, elastic steel sheet (9) is connected on tool rest (12), and button (10) can slide along button activity groove (2) together with elastic steel sheet (9); Tool rest (12) fits tightly in closed sheath can Stable sliding.
When entering intraarticular with obtuse head, sharp cutter is hidden in handle of a knife.The scale of 0-30mm is marked with at obtuse head, in units of 1mm, can carry out measuring under arthroscope in art, as the distance of the degree of depth of rupture of meniscus and rupture of meniscus mouth distance joint capsule can be measured, both damaging normal tissue was avoided, the function measured under achieving again mirror.
When arrival will cut meniscus position, according to recording the cut degree of depth, promote the button (10) at handle of a knife position, as shown in Figure 5, be divided into 1, 2, 3, 4, 5, 6 totally six shelves, often promote shelves, cutting blade stretches out increases 5mm, namely 1 grade of blade stretches out 5mm, 2 grades of blades stretch out 10mm, 3 grades of blades stretch out 15mm, 4 grades of blades stretch out 20mm, 5 grades of blades stretch out 25mm, 6 grades of blades stretch out 30mm, make cutting blade from handle of a knife, stretch out suitable length, on the cutting blade stretched out, be carved with the scale in units of 1mm simultaneously, the meniscal degree of depth of each cutting for confirmation.
Button (10) often stretches out one grade, can be pulled locking gear level by it.Comprise 0 grade, during each conversion gear, button (10) must be pressed locking of upspringing again again, to prevent from automatically deviating from blade, and damaged tissue.At handle of a knife grip portions, the twill (5) arranging 2cm is to increase frictional force when doctor grips handle of a knife.
Claims (6)
1. the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope, is characterized in that, comprise operator sheath, secondary sheath, blade and cutting mechanism;
Sheath of wherein operating is provided with screw hole (1), button activity groove (2), scale label (3), lock groove (4) and twill (5); Secondary sheath is provided with screw hole (1), scale label (3) and twill (5); Blade is provided with blade scale (6) and blade mounting holes (7); Cutting mechanism comprises blade installation slot (8), elastic steel sheet (9), button (10), lock pin (11) and tool rest (12);
Described operator sheath and secondary sheath are long Baltimore groove, four angles are respectively equipped with screw hole (1), with the form of concave surface to concave surface, cutting mechanism is placed between operator sheath and secondary sheath, adopt primary screw four groups of screw holes (1) on the sheath corner coincide respectively to be fixed up, form closed sheath; Blade realizes assembling and dismantling by blade mounting holes (7) and the blade installation slot (8) on tool rest.
2. the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope according to claim 1, it is characterized in that, described button activity groove (2) edge is provided with 7 lock grooves (4), totally 6 gears (not comprising 0 grade), often promote shelves, cutting blade stretches out increases 5mm, and namely 1 grade of blade stretches out 5mm, and 2 grades of blades stretch out 10mm, 3 grades of blades stretch out 15mm, 4 grades of blades stretch out 20mm, and 5 grades of blades stretch out 25mm, and 6 grades of blades stretch out 30mm.
3. the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope according to claim 1, it is characterized in that, described button (10) is that an elastic steel sheet (9) supports, press the button (10) when elastic steel sheet (9) is pressed down, button (10) together with tool rest (12) can in sheath Stable sliding.
4. the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope according to claim 1, is characterized in that, described blade is carved with the scale in units of 1mm, can measure 30mm at most.
5. the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope according to claim 1, is characterized in that, described tool rest (12) fits tightly in closed sheath can Stable sliding.
6. the Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope according to claim 1, is characterized in that, described twill (5) is long is 2cm, is arranged on handle of a knife grip portions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420537896.2U CN204274600U (en) | 2014-09-18 | 2014-09-18 | The Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope |
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Application Number | Priority Date | Filing Date | Title |
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CN201420537896.2U CN204274600U (en) | 2014-09-18 | 2014-09-18 | The Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope |
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CN204274600U true CN204274600U (en) | 2015-04-22 |
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CN201420537896.2U Expired - Fee Related CN204274600U (en) | 2014-09-18 | 2014-09-18 | The Multifunction expanding cutter of plate-like meniscal procedure under knee arthroscope |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105640641A (en) * | 2016-03-25 | 2016-06-08 | 何琴 | Luminous electric knife |
CN105877821A (en) * | 2014-09-18 | 2016-08-24 | 周琦 | A multifunctional telescopic cutting scalpel for the discoid meniscus operation under a knee arthroscope |
CN109009340A (en) * | 2018-07-19 | 2018-12-18 | 陈炳兰 | A kind of minimally-invasive scalpel for surgical operation |
-
2014
- 2014-09-18 CN CN201420537896.2U patent/CN204274600U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105877821A (en) * | 2014-09-18 | 2016-08-24 | 周琦 | A multifunctional telescopic cutting scalpel for the discoid meniscus operation under a knee arthroscope |
CN105640641A (en) * | 2016-03-25 | 2016-06-08 | 何琴 | Luminous electric knife |
CN105640641B (en) * | 2016-03-25 | 2018-12-28 | 何琴 | Shine electric knife |
CN109009340A (en) * | 2018-07-19 | 2018-12-18 | 陈炳兰 | A kind of minimally-invasive scalpel for surgical operation |
CN110575233A (en) * | 2018-07-19 | 2019-12-17 | 李建勋 | Minimally invasive scalpel for surgical operation |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20160918 |