CN201500148U

CN201500148U - Draw hook for cardiac surgery

Info

Publication number: CN201500148U
Application number: CN200920206413XU
Authority: CN
Inventors: 蒋迎九; 吴庆琛; 李强; 杨双强; 向小勇
Original assignee: First Affiliated Hospital of Chongqing Medical University
Current assignee: First Affiliated Hospital of Chongqing Medical University
Priority date: 2009-09-24
Filing date: 2009-09-24
Publication date: 2010-06-09
Anticipated expiration: 2019-09-24

Abstract

The utility model pertains to a medical surgical instrument, in particular to a draw hook used in cardiac surgery. The draw hook comprises a hook body (3), a hook handle (2) and a handle (1) which are connected in sequence. The draw hook has simple structure, and can help an operator quickly and clearly expose the opening of right coronary artery and the whole appearance of right coronary cusp which are more difficult to reveal, thus facilitating the smooth completion of the surgery; and the draw hook is most suitable for revealing the opening of the right coronary artery, and saves surgery time. The draw hook has convenient disinfection and use, uncomplicated manufacture technique, and a plurality of models of draw hooks can be manufactured according to the size of arc-shaped periphery of the hook body.

Description

A kind of department of cardiac surgery drag hook

One, technical field

This utility model relates to a kind of medical equipment, a kind of cardiac operation drag hook.Be suitable for root of ascending aorta and cut back tractive aorta wall, thereby fully show the art open country of intracavity.

Two, background technology

Operation on heart needs the row root of ascending aorta to cut when being associated with pathological changes such as aortic valve incompetence, coronary sinus fistula, aortic pulmonic window, fully shows coronary ostium, and direct-view is carried out cardiac muscle to coronary artery down and stopped jumping the protection perfusion.The right coronary artery opening is because local special dissection reason, usually show satisfied inadequately, sometimes even very difficult.The display requirement of right coronary artery opening has upwards and downward strength tractive simultaneously, and require the antetheca of aortic root not to be blocked, making things convenient for the patient to detect, and still lack drag hook in so special-purpose aorta lumen at present, to help to show the right coronary artery opening.Right coronary artery opening poor display in the art may cause operating time to prolong, in the art right side feel concerned about blanket insurance protect bad, thereby to the art cardiac jump again, the rehabilitation of postoperative patient, especially aged patient's recovery brings adverse effect.

Three, summary of the invention

This utility model provides the special-purpose drag hook in a kind of aorta lumen, AAW after can the tractive root of ascending aorta cutting, very easily help the patient to detect the right coronary artery opening rapidly, down coronary artery is carried out cardiac muscle and stop jumping the operation of protection perfusion thereby finish direct-view smoothly; Simultaneously also can show RCC lobe ring root rapidly, thereby help the patient promptly to detect and handle the RCC valve.

The technical scheme that this utility model is dealt with problems is as follows.

Drag hook in a kind of aorta lumen is characterized in that:

1) it is to be connected to form in regular turn by coupler body, the neck of hook, handle three parts.

2) front end of the neck of hook is a circular arc, and size is 1/3 of diameter 2.5 ~ 3.5cm circumference, and circular arc is protruding in handle side.

3) overall structure of coupler body is that circular arc has 4 square opening frameworks that size is identical; Arc size is consistent with aforementioned neck of hook front end arc, and promptly 1/3 of diameter 2.5 ~ 3.5cm pipe wall; Concave surface forward, convex surface is connected with the corresponding arc-shaped sections of neck of hook front end in the transverse section of the vertical direction tube wall of the neck of hook backward; The terminal section of coupler body is the curling slightly about 1mm of vertical direction forward, the high about 15mm of coupler body, the about 1.5mm of pipe wall thickness; The main width of frame on coupler body four limits is 2mm, and the centre is the oblong aperture of 4 stringers, and the stringer column between the Kong Yukong is wide to be 1.5mm; The arc convex of coupler body framework is the tractive focusing surface towards handle orientations, is equipped with the transverse traveling wave Slippage on All Border and the column; Each architrave of coupler body is all through going rib to go sharp streamlined passivation.

Drag hook in this utility model aorta lumen, aorta clamping in art, after root of ascending aorta cuts, the assistant puts into this utility model the aorta lumen of valve side, because the drag hook coupler body is the framework of making on the pipe wall arc basis with holes, close with the arterial wall and the lobe annular attitude of circle, therefore this framework is good with contacting with support compliance property of lumen of artery inwall when tractive, to patient foot side tractive and go up drawings power slightly gently, can very allow the patient see through square opening in the coupler body framework easily, detect and be positioned at the right coronary artery opening that this tractive is puted forth effort the zone, and similarly see through this square opening, can finish the perfusion operation.Similarly, because drag hook coupler body end also is the circular arc frame, to close the position form close with the arterial wall-lobe loops of circle, during tractive RCC lobe ring root also had the tractive supporting role, thereby can show the RCC overall picture, convenient operation accordingly.The ripple glaze of walking crosswise that designs on all arc convex frameworks backward of coupler body can increase contact surface Mo Chali, in last being difficult for when carrying tractive slippage takes place, and can keep and lift power on certain.This utility model can help patient's clear right coronary artery opening and RCC lobe ring of appearing rapidly; make things convenient for finishing smoothly of operations such as coronary perfusion and valve replacement; save the aorta clamping time, effectively strengthen myocardial preservation, thereby can reduce postoperative complication.

This utility model stainless steel material of drawing materials, simple in structure, processing technology is uncomplicated, and sterilization, easy to use can be adjusted curved circular Zhou Daxiao and make multiple model.

Four, description of drawings

Fig. 1 is the drag hook front schematic view.

Fig. 2 is a drag hook reverse side sketch map.

Fig. 3 is the coupler body front schematic view.

In the drawings, 1-handle, the 2-neck of hook, 3-coupler body, 3A-coupler body framework concave surface, 3B-coupler body framework convex surface, 4-coupler body end, 5-coupler body column, 6-coupler body square opening.

Five, the specific embodiment

Further specify concrete structure of the present utility model and using method below in conjunction with accompanying drawing.

Drag hook in a kind of aorta lumen is characterized in that:

1) it is to be connected to form in regular turn by coupler body (3), the neck of hook (2), handle (1) three part.

2) front end of the neck of hook (2) is an arc, and size is 1/3 of diameter 2.5 ~ 3.5cm circumference, and circular arc is protruding in handle (1) side.

3) overall structure of coupler body (3) is that circular arc has 4 square opening (6) frameworks that size is identical; Arc size is consistent with the aforementioned neck of hook (2) front end arc, and promptly 1/3 of diameter 2.5 ~ 3.5cm pipe wall; Concave surface (3A) forward, convex surface (3B) is connected with the corresponding arc-shaped sections of the neck of hook (2) front end in the transverse section of the vertical direction tube wall of the neck of hook (2) backward; Coupler body end (5) section is the curling slightly about 1mm of vertical direction forward, the high about 15mm of coupler body (3), the about 1.5mm of pipe wall thickness; The main width of frame on coupler body (3) four limits is 2mm, and the centre is 4 stringer oblong aperture (6), and the stringer column between the Kong Yukong is wide to be 1.5mm; The arc convex (3B) of coupler body (3) framework is the tractive focusing surface towards handle orientations, is equipped with the transverse traveling wave Slippage on All Border and the column; Each architrave of coupler body is all through going rib to go sharp streamlined passivation.

Drag hook in this utility model aorta lumen, aorta clamping in art, after root of ascending aorta cuts, the assistant puts into this utility model the aorta lumen of valve side, because the with holes framework of drag hook coupler body (3) for making on the pipe wall arc basis, close with the arterial wall and the lobe annular attitude of circle, therefore this framework (3B) is good with contacting with support compliance property of lumen of artery inwall when tractive, to patient foot side tractive and go up the drawings affair slightly gently, can very allow the patient see through square opening (6) in the coupler body framework easily, detect and be positioned at the right coronary artery opening that this tractive is puted forth effort the zone, and similarly see through this square opening (6), can finish the perfusion operation.Similarly, because drag hook coupler body end (4) also is the circular arc frame, to close the position form close with the arterial wall-lobe loops of circle, during tractive RCC lobe ring root also had the tractive supporting role, thereby can show the RCC overall picture, convenient operation accordingly.All arc convex frameworks (3B) backward of coupler body are gone up the ripple glaze of walking crosswise of design, can increase contact surface Mo Chali, are difficult for slippage takes place when carrying tractive last, and can keep and lift power on certain.This utility model can help patient's clear right coronary artery opening and RCC lobe ring of appearing rapidly; make things convenient for finishing smoothly of operations such as coronary perfusion and valve replacement; save the aorta clamping time, effectively strengthen myocardial preservation, thereby can reduce postoperative complication.

Claims

1. drag hook in the aorta lumen is characterized in that:

1) it is to be connected to form in regular turn by coupler body (3), the neck of hook (2), handle (1) three part;

2) front end of the neck of hook (2) is an arc, and size is 1/3 of diameter 2.5 ~ 3.5cm circumference, and circular arc is protruding in handle (1) side;

3) overall structure of coupler body (3) is that circular arc has 4 square opening (6) frameworks that size is identical; Arc size is consistent with the aforementioned neck of hook (2) front end arc, and links into an integrated entity in the transverse section and the corresponding arc-shaped sections of the neck of hook (2) front end of the vertical direction tube wall of the neck of hook (2); Vertical direction is curling slightly forward for coupler body end (5) section; The main width of frame on coupler body (3) four limits is 2mm, and the centre is 4 stringer oblong aperture (6), the wide about 1.5mm of the stringer column between the Kong Yukong; The arc convex (3B) of coupler body (3) framework is the tractive focusing surface towards handle orientations, and All Border and column are provided with the transverse traveling wave Slippage.