CN203861283U - Automatic draw hook device used for open-heart surgery - Google Patents
Automatic draw hook device used for open-heart surgery Download PDFInfo
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- CN203861283U CN203861283U CN201420288026.6U CN201420288026U CN203861283U CN 203861283 U CN203861283 U CN 203861283U CN 201420288026 U CN201420288026 U CN 201420288026U CN 203861283 U CN203861283 U CN 203861283U
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- fixed
- drag hook
- bar
- slide
- transverse axis
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Abstract
The utility model discloses an automatic draw hook device used for an open-heart surgery. The automatic draw hook device comprises a sternum dilator and a supporting device arranged on the sternum dilator. A fixed installation strip is arranged on the upper portion of a movable arm and/or a fixed arm of the sternum dilator. The supporting device is connected to the fixed installation strip in a clamped mode. The supporting device comprises a fixed block, a supporting frame and a draw hook sliding block. The supporting frame is fixedly installed on the fixed block. A sliding shaft is arranged on the supporting frame. The draw hook sliding block is arranged on the sliding shaft and slides. The draw hook sliding block is provided with an installation hole used for installing a draw hook, and a fixed bolt hole. A locking bolt in the fixed bolt hole makes the draw hook sliding block and the sliding shaft connected and fixed. When the automatic draw hook device is used, the number of surgery assistants can be reduced by one, and therefore work efficiency is improved; the influences of assistants on exposure of the surgery field can be avoided, and the surgery time is shortened; assistants can directly see the surgery operation process due to good exposure, and clinical teaching is facilitated.
Description
Technical field
This utility model relates to a kind of cardiac thoracic surgery apparatus, specifically a kind of automatic drag hook device for intracardiac operation under direct vision.
Background technology
Intracardiac operation under direct vision adopts mid-sternal incision more, adds because anatomical cardiac position is dark, and complex structure, visual area is less, difficult exposure.Often need clinically the with the hands intracardiac structure of tractive of assistant, but on the one hand for a long time tractive assistant Yi Fasheng is tired, causes drag hook displacement and affect surgical exposure, repeatedly adjust drag hook and wasted again operating time; Assistant is carrying out when tractive exposes occupying space around, visual area on the other hand, thereby affects patient's operation; In addition, assistant makes when with the hands tractive exposes often cannot look at the operating process of visual area straight, is unfavorable for Operation cooperation, has both extended operating time, is also unfavorable for the progress of assistant's surgical technic, causes cardiac surgeon to grow up slowly.
Through retrieval, find, name is called the Chinese utility model patent of " automatic tractor for atrium sinistrum ", application number " 87214421.6 ", this utility model is connected self-retractor by " work " font nail with sternal retractor, this connection belongs to and is rigidly connected, once sternal retractor is opened in operation process, the drag hook adjusting range that is arranged on top is just very little, and in operation process, is difficult to remove or change drag hook; Due to misoperation, easily the tissue in ambition is caused to damage, for some darker operative sites, also need assistant to use drag hook to carry out manual cooperation, very inconvenience is used in operation.
Utility model content
Technical problem to be solved in the utility model is, for the shortcoming of above prior art, a kind of automatic drag hook device for intracardiac operation under direct vision is proposed, can assist intracardiac operation under direct vision to be efficiently convenient to use self-retractor, the impact that can avoid assistant to expose operating field, shortens operating time greatly.
In order to solve the problems of the technologies described above, this utility model provides a kind of automatic drag hook device for intracardiac operation under direct vision, comprise Sternal distraction device and be located at the bracing or strutting arrangement on described Sternal distraction device, described Sternal distraction device comprises rack-plate, fixed arm and lever arm, the arc that the bottom of described fixed arm and lever arm has outside upset struts blade, one end of described rack-plate and described fixed arm are fixedly linked, described lever arm installation end socket is arranged on the other end of described rack-plate, the gear engagement of thumb wheel and described rack-plate is installed in described lever arm, the rotating shaft of described thumb wheel is provided with rocking arm, the top of described lever arm and/or fixed arm is provided with fixed installation bar, described bracing or strutting arrangement is connected on described fixed installation bar, described bracing or strutting arrangement comprises fixed block, bracing frame and drag hook slide block, support frame as described above is fixedly mounted on described fixed block, and on support frame as described above, there is slide-bar, described drag hook slide block is arranged on described slide-bar and slides, on described drag hook slide block, there is installing hole and fixed bolt hole that drag hook is installed, by the clamping screw in described fixed bolt hole, described drag hook slide block and slide-bar are connected and fixed.
The atrium drag hook that this utility model is selected and the handle designs of ventricle drag hook become rough cylinder, the shank cylinder diameter of section of atrium drag hook and ventricle drag hook is less than the cavity cross section diameter of drag hook slide block drag hook installing hole, while using due to drag hook, its direction hardly may be vertical with drag hook slide block, the frictional force in its responsible drag hook handle and slide block drag hook hole and fixing, so also can avoid the excessive tractive of drag hook to intracardiac structure.
The technical scheme that this utility model further limits is: the aforesaid automatic drag hook device for intracardiac operation under direct vision, support frame as described above comprises at least two montants and a slide-bar, described montant is inverted "L" shaped, parallel being fixedly connected on described fixed block in one end of at least two described montants, described slide-bar is fixed between the other end of at least two described montants, make described montant, slide-bar and fixed block form frame-shaped construction, adopt this structure to avoid drag hook to contact with lever arm or the fixed arm of retractor, thereby guaranteed its exposure.
The aforesaid automatic drag hook device for intracardiac operation under direct vision, one side of described montant also arranges and described slide-bar vertical horizontal slide-bar in the horizontal direction, described horizontal slide-bar comprises the first transverse axis, the second transverse axis and connecting rod, the first transverse axis and the second transverse axis stagger from beginning to end and be arranged in parallel, described connecting rod respectively with vertical being connected of end of described the first transverse axis and the second transverse axis, the end of described the first transverse axis is provided with forked joint, and by connecting bolt, described forked joint is fixed on described montant, described the second transverse axis is provided with drag hook slide block, described drag hook slide block is arranged on described the second transverse axis and slides, on described drag hook slide block, there is installing hole and fixed bolt hole that drag hook is installed, by the clamping screw in described fixed bolt hole, described drag hook slide block and the second transverse axis are connected and fixed.
The end of the first transverse axis of the horizontal slide-bar of this utility model is provided with forked joint, can snap in the bolt of bracing or strutting arrangement montant side, after screwing bolt, horizontal slide-bar can be fixed on bracing or strutting arrangement, on its other end second transverse axis, through a drag hook slide block, thereby be convenient to install drag hook, to diaphragmatic surface tractive, expose; Drag hook slide block can be free to slide along the second transverse axis, and can be along 360 degree rotations centered by the second transverse axis.Drag hook slide block cavity middle part have with cavity connect bolt hole, adjusting behind slide position can by screwing bolt, fixedly slide block be on the second transverse axis, the other end of drag hook slide block is provided with the installing hole of the cylindrical drag hook that runs through body, is convenient to install drag hook.
The aforesaid automatic drag hook device for intracardiac operation under direct vision, the circle that under the cross section of described fixed installation bar is, 1/5th height level clips, described fixed block is provided with the groove mating with described fixed installation bar, and described groove and fixed installation strip adoption matched in clearance.
The aforesaid automatic drag hook device for intracardiac operation under direct vision, described fixed block side is provided with at least two fixing and locking holes, and described fixing and locking hole and described groove connect, and in described fixing and locking hole, are provided with lock-screw.
Further, the aforesaid automatic drag hook device for intracardiac operation under direct vision, is at least provided with two drag hook slide blocks on the slide-bar of support frame as described above.
Through row relatively, the advantage having is for this utility model and prior art:
1), rational in infrastructure, powerful, the ingenious cooperation of each bracing or strutting arrangement, can guarantee the modulability of the depth and place of drag hook, thereby guarantees the exposure of operating field, can adapt to the needs of different operations and Different Individual.During the direct-view such as clinical execution mitral valve replacement, plastic surgery for mitral valve and the thrombosis removing of left room operation, with ventricle drag hook, retracting interatrial septum is fixed on slide block; And can by lobe traction before Tricuspid valve, expose with atrium drag hook while implementing ventricular septal defect repair operation; While implementing Tricusp Valvuloplasty or replacement operation, can adopt atrium drag hook to retract right atrium exposes;
2), this apparatus do not assembling bracing or strutting arrangement and laterally can use as common sternal retractor during slide-bar, its atrium or ventricle drag hook also can be done separately traction and expose;
3), can reduce by an assistant after using this device, increase work efficiency; The impact that can avoid assistant to expose operating field, shortens operating time; And good exposure can make assistant look at operative process straight, be convenient to clinical band religion, be more conducive to the growth of department of cardiac surgery junior doctor;
4), this apparatus structure is simple, cost is low, adopts the stainless steel material that meets medical standard to make, sturdy and durable, cleaning aspect can be through high-temperature sterilization, can Reusability, combination is quick, easy to adjust, uses simple to operate;
5), design ingeniously, simple in structure, convenient and practical, be all more significant intracardiac operation under direct vision self-retractors of a kind of economic benefit and social benefit, during use, can improve the comparatively ideal professional assistive device of cardiac operation quality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is this utility model support device structure schematic diagram.
Fig. 3 is the horizontal slide-bar structural representation of this utility model.
The specific embodiment
Below this utility model is described in further detail:
embodiment 1
A kind of automatic drag hook device for intracardiac operation under direct vision that the present embodiment provides, structure as depicted in figs. 1 and 2, comprise Sternal distraction device and be located at the bracing or strutting arrangement on Sternal distraction device, bracing frame comprises two inverted "L" shaped montants and a slide-bar, parallel being fixedly connected on fixed block in one end of two montants, slide-bar is fixed between the other end of two montants, makes montant, slide-bar and fixed block form frame-shaped construction; Sternal distraction device comprises rack-plate, fixed arm and lever arm, the arc that the bottom of fixed arm and lever arm has outside upset struts blade, one end and the fixed arm of rack-plate are fixedly linked, the socket of lever arm installation end is arranged on the other end of rack-plate, the gear engagement of thumb wheel and rack-plate is installed in lever arm, and the rotating shaft of thumb wheel is provided with rocking arm; The top of lever arm and fixed arm is provided with fixed installation bar, the circle that under the cross section of fixed installation bar is, 1/5th height level clips, fixed block is provided with and the groove that fixedly mounts bar and mate, and groove and fixed installation strip adoption matched in clearance, fixed block side is provided with at least two fixing and locking holes, fixing and locking hole and groove connect, and in fixing and locking hole, are provided with lock-screw.Bracing or strutting arrangement is connected on fixed installation bar, bracing or strutting arrangement comprises fixed block, bracing frame and drag hook slide block, bracing frame is fixedly mounted on fixed block, and on bracing frame, there is slide-bar, two drag hook slide blocks are set on slide-bar, drag hook slide block can 360 ° of rotations on slide-bar, have installing hole and fixed bolt hole that drag hook is installed on drag hook slide block, by the clamping screw in fixed bolt hole, drag hook slide block and slide-bar are connected and fixed.
In the present embodiment, in a side of montant, also arrange and slide-bar vertical horizontal slide-bar in the horizontal direction, structure as shown in Figure 3, laterally slide-bar comprises the first transverse axis, the second transverse axis and connecting rod, the first transverse axis and the second transverse axis stagger from beginning to end and be arranged in parallel, connecting rod respectively with vertical being connected of end of the first transverse axis and the second transverse axis, the end of the first transverse axis is provided with forked joint, and by connecting bolt, forked joint is fixed on montant, the second transverse axis is provided with drag hook slide block, drag hook slide block is arranged on the second transverse axis and slides, on drag hook slide block, there is installing hole and fixed bolt hole that drag hook is installed, by the clamping screw in fixed bolt hole, drag hook slide block and the second transverse axis are connected and fixed.
The thumb wheel of Sternal distraction device is installed on lever arm, and the lower end of thumb wheel is provided with the thumb wheel core that the teeth that can stir on rack-plate move sliding shoe, and its upper end is connected with the rocking handle that thumb wheel is rotated.The bottom of lever arm 3 and fixed arm 2 is that arc struts blade, and arc struts blade and acts on the breastbone cutting, and plays exposed chest otch.
Above embodiment is only explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into this utility model protection domain.
Claims (6)
1. the automatic drag hook device for intracardiac operation under direct vision, comprise Sternal distraction device and be located at the bracing or strutting arrangement on described Sternal distraction device, described Sternal distraction device comprises rack-plate, fixed arm and lever arm, the arc that the bottom of described fixed arm and lever arm has outside upset struts blade, one end of described rack-plate and described fixed arm are fixedly linked, described lever arm installation end socket is arranged on the other end of described rack-plate, the gear engagement of thumb wheel and described rack-plate is installed in described lever arm, and the rotating shaft of described thumb wheel is provided with rocking arm; It is characterized in that: the top of described lever arm and/or fixed arm is provided with fixed installation bar, described bracing or strutting arrangement is connected on described fixed installation bar, described bracing or strutting arrangement comprises fixed block, bracing frame and drag hook slide block, support frame as described above is fixedly mounted on described fixed block, and on support frame as described above, there is slide-bar, described drag hook slide block is arranged on described slide-bar and slides, on described drag hook slide block, there is installing hole and fixed bolt hole that drag hook is installed, by the clamping screw in described fixed bolt hole, described drag hook slide block and slide-bar are connected and fixed.
2. the automatic drag hook device for intracardiac operation under direct vision according to claim 1, it is characterized in that: support frame as described above comprises at least two montants and a slide-bar, described montant is inverted "L" shaped, parallel being fixedly connected on described fixed block in one end of at least two described montants, described slide-bar is fixed between the other end of at least two described montants, makes described montant, slide-bar and fixed block form frame-shaped construction.
3. the automatic drag hook device for intracardiac operation under direct vision according to claim 2, it is characterized in that: a side of described montant also arranges and described slide-bar vertical horizontal slide-bar in the horizontal direction, described horizontal slide-bar comprises the first transverse axis, the second transverse axis and connecting rod, the first transverse axis and the second transverse axis stagger from beginning to end and be arranged in parallel, described connecting rod respectively with vertical being connected of end of described the first transverse axis and the second transverse axis, the end of described the first transverse axis is provided with forked joint, and by connecting bolt, described forked joint is fixed on described montant, described the second transverse axis is provided with drag hook slide block, described drag hook slide block is arranged on described the second transverse axis and slides, on described drag hook slide block, there is installing hole and fixed bolt hole that drag hook is installed, by the clamping screw in described fixed bolt hole, described drag hook slide block and the second transverse axis are connected and fixed.
4. the automatic drag hook device for intracardiac operation under direct vision according to claim 1, it is characterized in that: the circle that under the cross section of described fixed installation bar is, 1/5th height level clips, described fixed block is provided with the groove mating with described fixed installation bar, and described groove and fixed installation strip adoption matched in clearance.
5. the automatic drag hook device for intracardiac operation under direct vision according to claim 4, it is characterized in that: described fixed block side is provided with at least two fixing and locking holes, described fixing and locking hole and described groove connect, and in described fixing and locking hole, are provided with lock-screw.
6. the automatic drag hook device for intracardiac operation under direct vision according to claim 1, is characterized in that: on the slide-bar of support frame as described above, be at least provided with two drag hook slide blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288026.6U CN203861283U (en) | 2014-05-30 | 2014-05-30 | Automatic draw hook device used for open-heart surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288026.6U CN203861283U (en) | 2014-05-30 | 2014-05-30 | Automatic draw hook device used for open-heart surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203861283U true CN203861283U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420288026.6U Expired - Fee Related CN203861283U (en) | 2014-05-30 | 2014-05-30 | Automatic draw hook device used for open-heart surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203861283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451565A (en) * | 2018-04-12 | 2018-08-28 | 江苏省人民医院（南京医科大学第附属医院） | Inner side drag hook for cervical vertebra operation |
-
2014
- 2014-05-30 CN CN201420288026.6U patent/CN203861283U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451565A (en) * | 2018-04-12 | 2018-08-28 | 江苏省人民医院（南京医科大学第附属医院） | Inner side drag hook for cervical vertebra operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20200530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |