CN112790814A - Rapid vascular blocking device for free flap transplantation operation and use method thereof - Google Patents
Rapid vascular blocking device for free flap transplantation operation and use method thereof Download PDFInfo
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- CN112790814A CN112790814A CN202110084616.1A CN202110084616A CN112790814A CN 112790814 A CN112790814 A CN 112790814A CN 202110084616 A CN202110084616 A CN 202110084616A CN 112790814 A CN112790814 A CN 112790814A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
- A61B17/1227—Spring clips
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Abstract
The invention relates to a rapid vascular blocking device for free flap transplantation operation, which comprises a vascular clamp, a vascular clamp sheath and a vascular clamp closing handle; the tail end is a circular ring, the center is in a trapezoidal bent shape which is sunken in the same direction, and the tip is provided with a fastener structure; a vascular clamp separation blade is fixed at the opening end of the vascular clamp sheath, is hinged with the vascular clamp and is internally provided with a vascular clamp pushing blade; the vascular clamp circular rings are inwards placed on a vascular clamp sheath, and the vascular clamp closing handle is assembled on the side wall of the vascular clamp sheath; the vascular clamp closing handle comprises a connecting rod, a pressing rod and a closing rod; the connecting rod is two symmetrical rectangular sheets, and the pressing rod is n-shaped and is erected on the vascular clamp sheath; the closed rod is two rectangle pieces, one end and connecting rod head end fixed connection, and the other end slant extends to vascular clamp and presses the side on the piece, has the small circle post to connect between two rectangle pieces, and the closed rod incline direction is the reverse of connecting rod. The invention is used for the skin flap transplantation operation to quickly block blood vessels, and is convenient for the electric hook to cut off the blood vessels so as to shorten the operation time.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a blood vessel rapid blocking device for a free flap transplantation operation and a using method thereof.
Background
A flap is broadly defined as a living tissue mass with its own blood supply, including skin tissue, and can be divided into a pedicle flap and a free flap. The pedicle flap means that a part of the pedicle flap is connected with a body (flap supply area) in the process of forming and transferring the flap, the connected part is called a pedicle part to maintain the blood supply of the flap, other surfaces except the pedicle part and the deep surface are separated from the body, after the pedicle flap is transferred to a covering wound (flap receiving area), the early stage is still supplied with nutrition by the blood transportation of the pedicle part, and blood vessels around the wound of the later stage flap receiving area grow into the flap to strengthen the blood supply of the flap.
The free skin flap belongs to a shaft type skin flap, which means that a supply area of the skin flap is internally provided with a shaft cardiac vein, the skin flap is cut to be completely separated from the supply area, and after the skin flap is transferred to a receiving area, an axis blood vessel contained in the skin flap is matched with a corresponding blood vessel of the receiving area. Skin flap confession district need cut completely and contain this axle heart arteriovenous at the in-process of cutting, because of the axle center blood vessel contains a large amount of branch blood vessels, need ligate, cut off a large amount of branch blood vessels at the cardiovascular in-process of separation axis, and manual ligature is comparatively time-consuming and test operative person's technique and patience in this in-process, and the inexperienced operative person will be more consuming time.
In summary, the problems to be solved by the present invention are as follows:
the manual ligation of a large number of branch vessels of the axial cardiovascular system in the process of cutting the free flap transplantation operation flap supply area is long in time consumption and inconvenient to operate.
Disclosure of Invention
In order to solve the problems, the scheme of the invention is as follows: provides a blood vessel rapid blocking device for free flap transplantation operation and a using method thereof.
A blood vessel rapid blocking device for free flap transplantation operation comprises a vascular clamp, a vascular clamp sheath and a vascular clamp closing handle;
the vascular clamp is two folded clamping sheets, the tail end of the vascular clamp is a circular ring, the opening end of the vascular clamp is unfolded at a certain angle, and the centers of the two clamping sheets are in a trapezoidal bending shape which is sunken in the same direction; the tips of the two clamping pieces are provided with fastener structures which enable the two clamping pieces to be fixed together;
the vascular clamp sheath is a hollow rectangular strip, the lower bottom surface of the vascular clamp sheath is provided with an opening, a vascular clamp blocking sheet is fixed below the opening end, and the upper end of the opening end is movably hinged with a vascular clamp pressing sheet; a vascular clamp push sheet is arranged in the vascular clamp sheath, and a spring is arranged between the vascular clamp push sheet and the inner bottom surface of the vascular clamp sheath; the vascular clamp circular rings are inwards placed on a vascular clamp sheath, and the vascular clamp closing handle is assembled on the vascular clamp sheath through cylindrical shafts on two sides of the vascular clamp sheath;
the vascular clamp closing handle comprises a connecting rod, a pressing rod and a closing rod; the connecting rods are two symmetrical rectangular pieces, the front ends of the connecting rods are provided with round holes which are movably connected with the cylindrical shaft of the vascular clamp sheath, and the vascular clamp sheath is arranged between the connecting rods; the pressing rod is n-shaped and is erected on the vascular clamp sheath and is vertically and fixedly connected with the tail end of the connecting rod; the closed rod is two rectangle pieces, one end and connecting rod head end fixed connection, and the other end slant extends to vascular clamp and presses the side on the piece, has the small circle post to connect between two rectangle pieces, and closed rod incline direction is the reverse of connecting rod.
Further, the vascular clamp is made of elastic insulating plastic.
Furthermore, the fastener structure is that the tip of one clamping piece protrudes towards the inner side of the opening to form a rectangular block, a rectangular groove is formed in the center line of the rectangular block, and a small rectangular groove is formed in the side wall of the rectangular groove; the tip of the other holding piece is a rectangular block which is wedged into the rectangular groove, and a plurality of spherical particles are protruded on the two side walls of the rectangular block.
Furthermore, the vessel clamp blocking sheet is an L-shaped bent rectangular strip, and a sliding groove is formed in the surface of the rectangular strip facing the vessel clamp pressing sheet; the vascular clamp pressing sheet is a rectangular straight strip, and a sliding groove is formed in the surface facing the vascular clamp separation blade.
Furthermore, a return spring is connected between the pressing rod and the vascular clamp sheath.
A use method of a blood vessel rapid blocking device for free flap transplantation comprises the following steps:
(1) the vascular clamp is arranged in a vascular sheath, and the blocking device is arranged beside the vascular sheath for standby;
(2) the skin flap is initially separated, exposing the vessel to be blocked:
(3) the blood vessel is picked up, the sheath of the vascular clamp is extended to the blood vessel, the blood vessel is placed in the trapezoidal depression of the vascular clamp, the pressing rod of the closing handle of the vascular clamp is pressed, the connecting rod moves by taking the cylindrical shaft as the shaft, the closing rod presses the pressing sheet of the vascular clamp downwards in a lever form, and the pressing sheet of the vascular clamp presses and buckles the fastener structure of the vascular clamp together;
(4) withdrawing the vascular clamp sheath, bouncing the pressing rod by the paralysis to reset the closing handle of the vascular clamp, pushing out the next vascular clamp by the vascular clamp pushing sheet under the action of the spring, and sliding out the vascular clamp along the vascular clamp pressing sheet and the vascular clamp blocking sheet sliding groove to be blocked by the vascular clamp blocking sheet;
(5) picking up the blood vessel again to block the other end of the blood vessel;
(6) severing the vessel between the two vascular clamps using an electrical hook;
(7) repeating the steps (2) to (6) to cut off all blood vessels needing to be cut off:
(8) cutting off the circular ring on the vascular clamp by forceps and taking down the vascular clamp;
(9) and cleaning and disinfecting the blocking device.
The invention has the beneficial effects that:
(1) the vascular clamp can rapidly clamp and close blood vessels through the vascular clamp sheath, can continuously clamp and close the blood vessels, and has high efficiency and short time;
(2) the tail end of the vascular clamp is provided with the circular ring, and the circular ring is cut off to separate the vascular clamp, so that the vascular clamp is convenient to take down;
(3) the blood vessel is cut off by using the electric hook, the blood vessel is automatically closed after being cut off, massive bleeding is avoided, and meanwhile, the blood vessel clamp is made of an insulating material, so that redundant blood vessels are effectively prevented from being burnt by the electric hook.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a blood vessel rapid blocking device for free flap implantation surgery;
FIG. 2 is a schematic side view of a blood vessel rapid occlusion device in free flap implantation;
FIG. 3 is a schematic structural view of the tail end of a blood vessel rapid occlusion device in free flap implantation;
FIG. 4 is a schematic cross-sectional view of a blood vessel rapid occlusion device in free flap implantation;
FIG. 5 is a schematic structural view of a vascular clamp;
the parts and their numbers in the drawings are as follows:
the vascular clamp comprises a vascular clamp 1, a vascular clamp sheath 2, a vascular clamp closing handle 3, a circular ring 4, a fastener structure 5, spherical particles 6, a vascular clamp separation blade 7, a vascular clamp pressing sheet 8, a vascular clamp pushing sheet 9, a spring 10, a cylindrical shaft 11, a sliding groove 12, a connecting rod 13, a pressing rod 14, a closing rod 15, a small cylinder 16 and a reset spring 17.
Detailed Description
The embodiment of the present invention will be described more fully with reference to the following examples, which are intended to illustrate the prior art free flap grafting and will not be described in detail.
Example I
The structure of the blood vessel rapid blocking device for the free flap transplantation operation is shown in figures 1-5 and comprises a vascular clamp 1, a vascular clamp sheath 2 and a vascular clamp closing handle 3;
the vascular clamp 1 is two folded clamping sheets, the tail end of the vascular clamp 1 is a circular ring 4, the opening end of the vascular clamp is unfolded at a certain angle, and the centers of the two clamping sheets are in a trapezoidal bending shape which is sunken in the same direction; the tips of the two clamping pieces are provided with a fastener structure 5 which enables the two clamping pieces to be fixed together; the vascular clamp 1 is made of elastic insulating plastic, and an electric hook is used to prevent excessive blood vessels from being burnt by current of the electric hook; the fastener structure 5 is a rectangular block with the tip of one clamping piece protruding towards the inner side of the opening, a rectangular groove is formed in the center line of the rectangular block, and a small rectangular groove is formed in the side wall of the rectangular groove; the tip of the other clamping piece is a rectangular block which is wedged into the rectangular groove, a plurality of spherical particles 6 are protruded on two side walls of the rectangular block, the spherical particles 6 are clamped in the small rectangular groove after the rectangular block is wedged into the rectangular groove, and the clamping piece is fixed to block the blood vessel; the trapezoidal curved shape enables the vascular clamp 1 to keep translating when sliding in the vascular clamp sheath 2 and the sliding groove 12;
the vascular clamp sheath 2 is a hollow rectangular strip, the lower bottom surface of the vascular clamp sheath is provided with an opening, a vascular clamp separation blade 7 is fixed below the opening end, and the upper end of the opening end is movably hinged with a vascular clamp pressing blade 8; a vascular clamp push sheet 9 is arranged inside the vascular clamp sheath 2, and a spring 10 is arranged between the vascular clamp push sheet 9 and the inner bottom surface of the vascular clamp sheath 2; a plurality of circular rings 4 of the vascular clamps 1 are inwards placed on the vascular clamp sheaths 2, and the vascular clamp closing handles 3 are assembled on the vascular clamp sheaths 2 through cylindrical shafts 11 on two sides of the vascular clamp sheaths 2; the vessel clamp blocking sheet 7 is an L-shaped bent rectangular strip, and a sliding groove 12 is formed in the surface, facing the vessel clamp pressing sheet 8, of the rectangular strip; the vascular clamp pressing sheet 8 is a rectangular straight strip, a sliding groove 12 is arranged on the surface facing the vascular clamp separation blade 7, a circular ring 4 of the vascular clamp 1 is inwards arranged in the vascular clamp sheath 2, the vascular clamp pushing sheet 9 pushes the vascular clamp 1 forwards all the time under the action of a spring 10, after one vascular clamp 1 is used, the subsequent vascular clamp 1 is automatically supplemented between the vascular clamp separation blade 7 and the vascular clamp pressing sheet 8 along the sliding groove 12 of the vascular clamp separation blade 7 and the vascular clamp pressing sheet 8, and the vascular clamp separation blade 7 prevents the vascular clamp 1 from being ejected out of the vascular clamp sheath 2 by the pushing sheet;
the vascular clamp closing handle 3 comprises a connecting rod 13, a pressing rod 14 and a closing rod 15; the connecting rods 13 are two symmetrical rectangular pieces, the front ends of the connecting rods are provided with round holes which are movably connected with the cylindrical shaft 11 of the vascular clamp sheath 2, and the vascular clamp sheath 2 is arranged between the connecting rods 13; the pressing rod 14 is n-shaped and is erected on the vascular clamp sheath 2 and is vertically and fixedly connected with the tail end of the connecting rod 13; the closing rod 15 is two rectangular sheets, one end of the closing rod is fixedly connected with the head end of the connecting rod 13, the other end of the closing rod obliquely extends to the upper side edge of the vascular clamp pressing sheet 8, a small cylinder 16 is connected between the two rectangular sheets, and the oblique direction of the closing rod 15 is the reverse direction of the connecting rod 13; a return spring 17 is connected between the pressing rod 14 and the vascular clamp sheath 2, the return spring 17 bounces the pressing rod 14 to enable the vascular clamp closing handle 3 to restore to the original position, and the vascular clamp pressing sheet 8 is opened under the action of the elastic force of the next vascular clamp 1; the connecting rod 13, the pressing rod 14, the closing rod 15 and the cylindrical shaft 11 of the vascular clamp sheath 2 form a lever, and the closing rod 15 presses the vascular clamp pressing sheet 8 downwards to clamp the vascular clamp 1 by pressing the pressing rod 14.
Example II
A use method of a blood vessel rapid blocking device for free flap transplantation comprises the following steps:
(1) the vascular clamp 1 is arranged in a vascular sheath, and the blocking device is arranged beside the vascular sheath for standby;
(2) the skin flap is initially separated, exposing the vessel to be blocked:
(3) the blood vessel is picked up, the vascular clamp sheath 2 is extended to the blood vessel, the blood vessel is placed in the trapezoidal depression of the vascular clamp 1, the pressing rod 14 of the vascular clamp closing handle 3 is pressed, the connecting rod 13 moves by taking the cylindrical shaft 11 as the shaft, the closing rod 15 in a lever form presses the vascular clamp pressing sheet 8 downwards, and the vascular clamp pressing sheet 8 is pressed to press and buckle the fastener structure 5 of the vascular clamp 1 together;
(4) withdrawing the vascular clamp sheath 2, bouncing the pressing rod 14 by the paralysis to restore the vascular clamp closing handle 3, pushing the next vascular clamp 1 by the vascular clamp pushing sheet 9 under the action of the spring 10, sliding the vascular clamp 1 along the vascular clamp pressing sheet 8 and the vascular clamp separation blade 7 sliding groove 12, and blocking by the vascular clamp separation blade 7;
(5) picking up the blood vessel again to block the other end of the blood vessel;
(6) the vessel is severed between the two vascular clamps 1 using an electrical hook;
(7) repeating the steps (2) to (6) to cut off all blood vessels needing to be cut off:
(8) cutting off the circular ring 4 on the vascular clamp 1 by forceps, and taking down the vascular clamp 1;
(9) and cleaning and disinfecting the blocking device.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art should fall into the protection scope of the present invention without departing from the design concept of the present invention, and the technical contents of the present invention as claimed are all described in the technical claims.
Claims (6)
1. A blood vessel rapid blocking device for free flap transplantation operation is characterized in that: comprises a vascular clamp, a vascular clamp sheath and a vascular clamp closing handle;
the vascular clamp is two folded clamping sheets, the tail end of the vascular clamp is a circular ring, the opening end of the vascular clamp is unfolded at a certain angle, and the centers of the two clamping sheets are in a trapezoidal bending shape which is sunken in the same direction; the tips of the two clamping pieces are provided with fastener structures which enable the two clamping pieces to be fixed together;
the vascular clamp sheath is a hollow rectangular strip, the lower bottom surface of the vascular clamp sheath is provided with an opening, a vascular clamp blocking sheet is fixed below the opening end, and the upper end of the opening end is movably hinged with a vascular clamp pressing sheet; a vascular clamp push sheet is arranged in the vascular clamp sheath, and a spring is arranged between the vascular clamp push sheet and the inner bottom surface of the vascular clamp sheath; the vascular clamp circular rings are inwards placed on a vascular clamp sheath, and the vascular clamp closing handle is assembled on the vascular clamp sheath through cylindrical shafts on two sides of the vascular clamp sheath;
the vascular clamp closing handle comprises a connecting rod, a pressing rod and a closing rod; the connecting rods are two symmetrical rectangular pieces, the front ends of the connecting rods are provided with round holes which are movably connected with the cylindrical shaft of the vascular clamp sheath, and the vascular clamp sheath is arranged between the connecting rods; the pressing rod is n-shaped and is erected on the vascular clamp sheath and is vertically and fixedly connected with the tail end of the connecting rod; the closed rod is two rectangle pieces, one end and connecting rod head end fixed connection, and the other end slant extends to vascular clamp and presses the side on the piece, has the small circle post to connect between two rectangle pieces, and closed rod incline direction is the reverse of connecting rod.
2. The device for rapidly blocking the blood vessel in the free flap graft surgery according to claim 1, wherein: the vascular clamp is made of elastic insulating plastic.
3. The device for rapidly blocking the blood vessel in the free flap graft surgery according to claim 1, wherein: the fastener structure is that the tip of one clamping piece protrudes towards the inner side of the opening to form a rectangular block, a rectangular groove is formed in the center line of the rectangular block, and a small rectangular groove is formed in the side wall of the rectangular groove; the tip of the other holding piece is a rectangular block which is wedged into the rectangular groove, and a plurality of spherical particles are protruded on the two side walls of the rectangular block.
4. The device for rapidly blocking the blood vessel in the free flap graft surgery according to claim 1, wherein: the vascular clamp blocking sheet is an L-shaped bent rectangular strip, and a sliding groove is formed in the surface of the rectangular strip facing the vascular clamp pressing sheet; the vascular clamp pressing sheet is a rectangular straight strip, and a sliding groove is formed in the surface facing the vascular clamp separation blade.
5. The device for rapidly blocking the blood vessel in the free flap graft surgery according to claim 1, wherein: and a return spring is connected between the pressing rod and the vascular clamp sheath.
6. A use method of a blood vessel rapid blocking device for free flap transplantation is characterized by comprising the following steps:
(1) the vascular clamp is arranged in a vascular sheath, and the blocking device is arranged beside the vascular sheath for standby;
(2) the skin flap is initially separated, exposing the vessel to be blocked:
(3) the blood vessel is picked up, the sheath of the vascular clamp is extended to the blood vessel, the blood vessel is placed in the trapezoidal depression of the vascular clamp, the pressing rod of the closing handle of the vascular clamp is pressed, the connecting rod moves by taking the cylindrical shaft as the shaft, the closing rod presses the pressing sheet of the vascular clamp downwards in a lever form, and the pressing sheet of the vascular clamp presses and buckles the fastener structure of the vascular clamp together;
(4) withdrawing the vascular clamp sheath, bouncing the pressing rod by the paralysis to reset the closing handle of the vascular clamp, pushing out the next vascular clamp by the vascular clamp pushing sheet under the action of the spring, and sliding out the vascular clamp along the vascular clamp pressing sheet and the vascular clamp blocking sheet sliding groove to be blocked by the vascular clamp blocking sheet;
(5) picking up the blood vessel again to block the other end of the blood vessel;
(6) severing the vessel between the two vascular clamps using an electrical hook;
(7) repeating the steps (2) to (6) to cut off all blood vessels needing to be cut off:
(8) cutting off the circular ring on the vascular clamp by forceps and taking down the vascular clamp;
(9) and cleaning and disinfecting the blocking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084616.1A CN112790814B (en) | 2021-01-21 | 2021-01-21 | Quick blocking device of free skin flap transplantation operation blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084616.1A CN112790814B (en) | 2021-01-21 | 2021-01-21 | Quick blocking device of free skin flap transplantation operation blood vessel |
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| Publication Number | Publication Date |
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| CN112790814A true CN112790814A (en) | 2021-05-14 |
| CN112790814B CN112790814B (en) | 2023-08-01 |
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| CN202110084616.1A Active CN112790814B (en) | 2021-01-21 | 2021-01-21 | Quick blocking device of free skin flap transplantation operation blood vessel |
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