Search

CN-122004957-A - Adjustable fixed heart drag hook

CN122004957ACN 122004957 ACN122004957 ACN 122004957ACN-122004957-A

Abstract

The invention discloses an adjustable fixed heart retractor, which relates to the field of heart retractors and comprises a universal adjusting component, wherein the front end of the universal adjusting component is provided with a retractor component, the rear end of the universal adjusting component is provided with a clamping component, the main retractor body is firmly clamped on a sternum retractor, manual holding is completely replaced, the adjustment of any angle and depth of the retractor in a three-dimensional space is realized by matching a columnar block and a spherical block serial structure with a tension rope locking mechanism, the switching of the retractor to a locking state can be easily completed through one knob, the structure is stable after locking, the force transmission is direct and reliable, the retraction position is ensured not to deviate due to tissue elasticity or external force, the operator does not need to be in a maintenance position, the mutual interference with an operation space of an assistant is also not needed, and the whole energy can be concentrated on the delicate operation itself, so that the physical consumption is lightened, and the smoothness and the efficiency of the operation are remarkably improved.

Inventors

  • HUANG QIUYUE
  • FENG JI
  • YOU BIN

Assignees

  • 黄秋月

Dates

Publication Date
20260512
Application Date
20260318

Claims (9)

  1. 1. The adjustable heart fixing drag hook is characterized by comprising a universal adjusting component (1), wherein the drag hook component (2) is arranged at the front end of the universal adjusting component (1), and a clamping component (3) is arranged at the rear end of the universal adjusting component (1); The universal adjusting assembly (1) comprises a universal adjusting rod (11), a hook body mounting seat (13) is mounted at the front end of the universal adjusting rod (11), an adjusting seat (12) is mounted at the rear end of the universal adjusting rod (11), an adjusting knob (14) is mounted at the rear end of the adjusting seat (12), the drag hook assembly (2) is mounted at the front end of the hook body mounting seat (13), and the clamping assembly (3) is mounted at the middle of the bottom surface of the adjusting seat (12).
  2. 2. The adjustable fixed heart retractor of claim 1, wherein the universal adjusting rod (11) comprises a plurality of columnar blocks (111) which are coaxially arranged, spherical blocks (112) are rotatably arranged between every two adjacent columnar blocks (111), first hemispherical grooves (113) which are matched with the spherical blocks (112) for rotation are formed in the front end and the rear end of each columnar block (111), and threading grooves (114) are formed in the first hemispherical grooves (113) and the threading grooves (114) along the axial direction.
  3. 3. The adjustable heart retractor according to claim 2, wherein the hook body mounting seat (13) comprises a conical head (131), a tension rope (132) is fixedly mounted in the middle of the rear end of the conical head (131), a first rotating head (133) is fixedly mounted at the rear end of the tension rope (132), and the tension rope (132) is located in a wire penetrating groove (114) in the middle of the columnar block (111) and the spherical block (112).
  4. 4. The adjustable heart retractor according to claim 3, wherein the adjusting seat (12) comprises a cylindrical seat body (121), a second hemispherical groove (123) matched with the spherical block (112) is formed in the front end of the cylindrical seat body (121), a shaft rod hole (122) is formed in the middle of the cylindrical seat body (121) in a penetrating mode, a sliding groove (124) is formed in the middle of the front end of an inner cavity of the cylindrical seat body (121), a rectangular sliding block (125) is slidably mounted in the sliding groove (124), first rotating grooves (126) are formed in the middle of the outer wall surfaces of the front end and the rear end of the rectangular sliding block (125), and the first rotating head (133) is rotatably mounted in the first rotating grooves (126) in the front end of the rectangular sliding block (125), and second rotating grooves (127) are formed in the middle of the outer wall surface of the rear end of the cylindrical seat body (121).
  5. 5. The adjustable fixed heart retractor of claim 4, wherein the adjusting knob (14) comprises a rotating head (141), a hollow rotating head (142) is fixedly arranged at the front end of the rotating head (141), the hollow rotating head (142) is rotatably arranged in a second rotating groove (127), a screw groove (144) is formed in the middle of the rotating head (141), a threaded rod (145) is rotatably arranged in the screw groove (144), a second rotating head (146) is fixedly arranged at the front end of the threaded rod (145), and the second rotating head (146) is rotatably arranged in a first rotating groove (126) at the rear end of the rectangular sliding block (125).
  6. 6. The adjustable fixed heart retractor according to claim 5, wherein the outer wall surface of the rotating head (141) is symmetrically and fixedly provided with ear blocks (143).
  7. 7. The adjustable heart fixing retractor according to claim 3, wherein the retractor assembly (2) comprises a hook body (201) and a thread groove (203) formed in the middle of the front end of the conical head (131), a thread head (202) is fixedly arranged at the rear end of the hook body (201), and the thread head (202) is installed in the thread groove (203) in a threaded mode.
  8. 8. The adjustable heart retractor of claim 4, wherein the clamping assembly (3) comprises a rotating seat (31) fixedly installed at the middle part of the bottom surface of the columnar seat body (121), a clamping base (32) is rotatably installed on the bottom surface of the rotating seat (31), a first clamping block (33) is fixedly installed at the rear end of the bottom surface of the clamping base (32), a T-shaped sliding groove (35) is formed in the middle part of the front end of the bottom surface of the clamping base (32), a clamping block fastener (37) is installed in the T-shaped sliding groove (35) in a sliding mode, a second clamping block (34) matched with the first clamping block (33) in use is movably installed on the clamping block fastener (37), and an inverted-trapezoid clamping groove (36) is formed between the second clamping block (34) and the first clamping block (33).
  9. 9. The adjustable heart retractor of claim 8, wherein the clamp block fastener (37) comprises a T-shaped sliding block (371) which is slidably arranged in a T-shaped sliding groove (35), a threaded through hole (375) is formed in the middle of the bottom surface of the T-shaped sliding block (371), a bolt (373) is arranged in the threaded through hole (375) in a threaded mode, a rotating handle (372) is fixedly arranged in the middle of the bolt (373), a connector (374) is rotatably arranged at the lower end of the bolt (373), and the connector (374) is fixedly arranged in the middle of the outer side wall surface of the front end of the second clamp block (34).

Description

Adjustable fixed heart drag hook Technical Field The invention relates to heart retractor technology, in particular to an adjustable fixed heart retractor. Background In the practice of cardiac surgery, there are phenomena associated with the pathological changes such as insufficiency of aortic valve, coronary artery Dou Lou and upper pulmonary artery window, when the situation occurs, the ascending aortic root needs to be cut to fully display the opening of the coronary artery, and the coronary artery is subjected to myocardial arrest protecting liquid perfusion in a direct vision state, in this process, the display of the opening of the right coronary artery is often unsatisfactory, in order to meet the display requirement, the display requirement of the opening of the right coronary artery is simultaneously pulled upwards and downwards, and the front wall of the aortic root is simultaneously required not to be blocked, so that the probing of an operator is convenient, and the time of the cardiac surgery is possibly prolonged due to the poor display of the opening of the right coronary artery, and adverse effects are also caused on the postoperative recovery of a patient; In the prior art, most of the drag hooks for heart surgery are straight or small-curvature, mainly have the following defects that the transverse distance between the distal end of the drag hook and the hand is relatively short, the angle of the drag hook is required to be continuously adjusted in the surgery to avoid blocking the sight of a user, the operation is inconvenient, the penetration depth of the distal end of the drag hook is difficult to grasp, the distal end is easy to damage a patient by adopting straight-in type, the structural force conductivity is poor, the long surgery time enables the user or an assistant to be tired more easily to cause the hand to be taken off, and meanwhile, under the condition that the hand is tired and an organ has elasticity, the tissue of the room and the room which are already taken off is easy to return or slide down, so that the visual field of the user is influenced, and the practicability is poor. Disclosure of Invention The invention aims to provide an adjustable fixed heart retractor, which solves the problems that the heart retractor in the prior art is easy to block the view in operation and is easy to fatigue after long-time manual traction. In order to achieve the purpose, the invention provides the following technical scheme that the adjustable fixed heart retractor comprises a universal adjusting component, wherein the front end of the universal adjusting component is provided with a retractor component, and the rear end of the universal adjusting component is provided with a clamping component; The universal adjusting assembly comprises a universal adjusting rod, a hook body installation seat is arranged at the front end of the universal adjusting rod, an adjusting seat is arranged at the rear end of the universal adjusting rod, an adjusting knob is arranged at the rear end of the adjusting seat, the draw hook assembly is arranged at the front end of the hook body installation seat, and the clamping assembly is arranged at the middle part of the bottom surface of the adjusting seat. Further, the universal adjusting rod comprises a plurality of columnar blocks which are coaxially arranged, spherical blocks are rotatably arranged between every two adjacent columnar blocks, first hemispherical grooves which are matched with the spherical blocks in rotation are formed in the front end and the rear end of each columnar block, and a threading groove is formed in the axial direction of each first hemispherical groove and the threading groove. Further, the hook body mounting seat comprises a conical head, a tension rope is fixedly mounted in the middle of the rear end of the conical head, a first rotating head is fixedly mounted at the rear end of the tension rope, and the tension rope is located in a wire penetrating groove in the middle of the columnar block and the spherical block. Further, the regulation seat includes the column pedestal, the second hemisphere groove that matches the spheroid piece and use has been seted up to the front end of column pedestal, the axostylus axostyle hole has been seted up in the middle part of column pedestal, just the sliding tray has been seted up at the inner chamber front end middle part of column pedestal, slidable mounting has the rectangle slider in the sliding tray, first rotary groove has all been seted up at both ends outer wall surface middle part around the rectangle slider, first rotary head rotates and installs in the first rotary groove of rectangle slider front end, the second rotary groove has been seted up at the rear end outer wall surface middle part of column pedestal. Further, the adjusting knob comprises a rotating head, a hollow rotating head is fixedly arranged at the front end of the rotating head, the hollow rotating head is