CN216060610U - Auxiliary device for minimally invasive acquisition of blood bridge vessel for cardiac surgery - Google Patents
Auxiliary device for minimally invasive acquisition of blood bridge vessel for cardiac surgery Download PDFInfo
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- CN216060610U CN216060610U CN202122604256.1U CN202122604256U CN216060610U CN 216060610 U CN216060610 U CN 216060610U CN 202122604256 U CN202122604256 U CN 202122604256U CN 216060610 U CN216060610 U CN 216060610U
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Abstract
The utility model discloses an auxiliary device for minimally invasive acquisition of a bridge vessel for cardiac surgery, which comprises a first operating handle, a first expansion handle, a second operating handle and a second expansion handle; the upper end of the first operating handle is connected with the lower end of the first expansion handle through a first connecting handle, the first connecting handle is arc-shaped and protrudes to the outer side, and a first opening claw is arranged at the upper end of the first connecting handle; the upper end of the second operating handle is connected with the lower end of the second expansion handle through a second connecting handle, the second connecting handle is arc-shaped and protrudes to the outer side, and the upper end of the first connecting handle is provided with a second spreading claw; the first operating handle is rotatably connected with the second operating handle, and the first expansion handle and the second expansion handle, and the first opening claw and the second opening claw are driven to be synchronously away when the first operating handle is close to the second operating handle. The utility model can simultaneously perform the operation of opening the skin at the incision of a patient and the operation of expanding the subcutaneous tissue of the patient.
Description
Technical Field
The utility model relates to the field of cardiac surgery, in particular to an auxiliary device for minimally invasive acquisition of a bridge blood vessel for cardiac surgery.
Background
In cardiac surgery, coronary artery bypass grafting (coronary artery bypass surgery) is required for patients with severe coronary heart disease to improve myocardial ischemia; before a patient performs a coronary artery bypass surgery, the patient needs to take materials in advance, and autologous blood vessels (bypass blood vessels) required by the bypass surgery are prepared; the bridge vessels are selected from the great saphenous vein of the lower limbs, the radial artery of the upper limbs, the internal mammary artery in the thoracic cage at both sides, and the great saphenous vein is widely used as the bridge vessel in the coronary bypass surgery.
At present, the great saphenous vein bridge vessel is obtained mainly by a traditional method and a minimally invasive method. According to the traditional mode, according to the length of a blood vessel required by a coronary bypass surgery, skin with a corresponding length is selected from the leg of a patient to form a whole incision along the great saphenous vein, and the incision is sutured after the great saphenous vein bypass blood vessel is separated and obtained. However, the operation incision of the method is large, great side damage is brought to a patient, the wound suturing time after blood vessel taking is long, the operation time is prolonged, the free skin edge is prone to dislocation during suturing, the skin attractiveness is affected, and the possibility of postoperative infection and poor wound healing is increased.
There are two main ways of minimally invasive surgery: firstly, obtaining a large saphenous vein by segmenting a small incision, namely making 3-4 incisions with the length of 3-5 cm on the leg part of a patient, and completely taking down the large saphenous vein by adopting a tunnel mode, so that the incision length is greatly shortened, and the operation time is reduced; secondly, the great saphenous vein is obtained under the assistance of the endoscope, namely 1 incision with the length of 3-5 cm is made at the knee joint of a patient, the great saphenous vein is dissociated subcutaneously in an endoscope assistance mode, and the great saphenous vein is taken out after being separated from the vein through the endoscope after being taken out with a proper length.
Since the endoscope has a high requirement for operating doctors to obtain the great saphenous vein, an operator who is not familiar with the endoscope has a long operation time, a technical learning curve is also long, and the use of the endoscope increases operation cost, the first mode is mostly adopted by the doctors in general. However, when a great saphenous vein bridge vessel is obtained through a small incision in a segmented manner, the skin at the incision of a patient needs to be opened, and meanwhile, subcutaneous tissues need to be expanded, so that the operation visual field is difficult to expose, and the vessel obtaining can be smoothly completed only by pulling the skin with the help of an assistant to expose the operation visual field, so that the operation time is prolonged, the operation labor cost is increased, and the efficiency of obtaining the bridge vessel needs to be improved.
Therefore, there is a need for an auxiliary device which can simultaneously perform a stretching operation on the skin of the incision of a patient and a dilation operation on the subcutaneous tissue of the patient when a large saphenous vein bridge vessel is obtained by segmenting a small incision.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an auxiliary device for minimally invasive harvesting of a bridge vessel for cardiac surgery, which can simultaneously perform a dilation operation on the skin of an incision of a patient and a dilation operation on the subcutaneous tissue of the patient.
In order to achieve the above object, the present invention particularly provides an auxiliary device for minimally invasive bridge vessel harvesting in cardiac surgery, which comprises a first operation handle, a first expansion handle, a second operation handle and a second expansion handle;
the upper end of the first operating handle is connected with the lower end of the first expansion handle through a first connecting handle, the first connecting handle is arc-shaped and protrudes to the outer side, and a first opening claw is arranged at the upper end of the first connecting handle;
the upper end of the second operating handle is connected with the lower end of the second expansion handle through a second connecting handle, the second connecting handle is arc-shaped and protrudes to the outer side, and the upper end of the first connecting handle is provided with a second spreading claw;
the first operating handle is rotatably connected with the second operating handle, and the first expansion handle and the second expansion handle, and the first opening claw and the second opening claw are driven to be synchronously away when the first operating handle is close to the second operating handle.
As a further improvement of the technical scheme of the utility model, the first expansion handle and the second expansion handle are of the same straight handle structure, and the cross sectional areas of the first expansion handle and the second expansion handle are gradually reduced from bottom to top.
As a further improvement of the technical scheme of the utility model, the outer side surfaces of the first expansion handle and the second expansion handle are both smooth cambered surface structures.
As a further improvement of the technical solution of the present invention, the first spreading claw and the second spreading claw are respectively bent in opposite directions.
As a further improvement of the technical solution of the present invention, the first spreading claw is formed by bending an end of the first connecting handle; the second spreading claw is formed by bending the end of the second connecting handle.
As a further improvement of the technical solution of the present invention, the first operating lever and the second operating lever are connected by a rotating shaft.
As a further improvement of the technical scheme of the utility model, the lower end of the first operating handle is fixedly connected with a first operating ring, and the lower end of the second operating handle is fixedly connected with a second operating ring.
As a further improvement of the technical scheme of the utility model, a limiting component for limiting the relative position of the first operating handle and the second operating handle is arranged between the first operating handle and the second operating handle.
As a further improvement of the technical scheme of the utility model, the limiting assembly comprises a limiting arm and a movable handle, an adjusting through groove is arranged in the second operating handle, the limiting arm is arc-shaped, one end of the limiting arm is fixed on the first operating handle, the other end of the limiting arm penetrates through the adjusting through groove, a first convex tooth is arranged on the lower side surface of the limiting arm, and a second convex tooth which can be meshed with the first convex tooth is arranged on the upper side surface of the movable handle; the movable handle is slidably arranged in the adjusting through groove, and an elastic part used for driving the movable handle to tightly press the limiting arm is arranged in the adjusting through groove.
As a further improvement of the technical scheme of the utility model, the inner wall of the part, located at the adjusting through groove, of the second operating handle is provided with a guide sliding groove, the side surface, contacted with the second operating handle, of the movable handle is provided with a sliding block, and the sliding block extends into the guide sliding groove and can slide along the guide sliding groove.
Through the disclosure, the utility model has the following beneficial technical effects:
the utility model provides an auxiliary device for minimally invasive acquisition of a bridge vessel for cardiac surgery, wherein a first expansion handle and a first opening claw are driven by a first operating handle to move left and right, and a second expansion handle and a second opening claw are driven by a second operating handle to move left and right; when the first operating handle and the second operating handle rotate relatively, the first expanding handle and the second expanding handle are gradually far away from each other and the first opening claw and the second opening claw are also gradually far away from each other in the process that the first operating handle and the second operating handle are gradually close to each other; when the first operating handle and the second operating handle are gradually far away from each other, the first expansion handle and the second expansion handle are gradually close to each other, and the first spreading claw and the second spreading claw are also gradually close to each other; through the cooperation of above-mentioned structure, when the segmentation small incision acquireed great saphenous vein bridge blood vessel, utilize this device can strut the operation and expand the operation to its subcutaneous tissue to patient's incision department skin simultaneously for the operation that obtains the bridge blood vessel can be accomplished to the doctor single, thereby has shortened operation time, obtains the efficiency of bridge blood vessel and obtains improving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of FIG. 1 at B;
fig. 4 is a cross-sectional view taken along line C-C of fig. 3.
Detailed Description
The technical scheme in the embodiment of the utility model will be clearly and completely described below with reference to the accompanying drawings; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example one
As shown in fig. 1 to 2: the auxiliary device for minimally invasive bridge vessel acquisition in cardiac surgery comprises a first operating handle 11, a first expansion handle 12, a second operating handle 21 and a second expansion handle 22; the upper end of the first operating handle 11 is connected with the lower end of the first expansion handle 12 through a first connecting handle 13, the first connecting handle 13 is arc-shaped and protrudes to the outside, and the upper end of the first connecting handle 13 is provided with a first spreading claw 14; the upper end of the second operating handle 21 is connected with the lower end of the second expansion handle 22 through a second connecting handle 23, the second connecting handle 23 is arc-shaped and protrudes to the outer side, and the upper end of the first connecting handle 13 is provided with a second spreading claw 24; the first operating handle 11 is rotatably connected with the second operating handle 21, and drives the first expanding handle 12 and the second expanding handle 22, and the first spreading claw 14 and the second spreading claw 24 to be away from each other synchronously when the first operating handle 11 is close to the second operating handle 21.
"Up" and "down" are based on the directions shown in FIG. 1.
The first operating handle 11 and the second operating handle 21 are arranged in parallel at the left and right, and are approximately in a splayed shape, and the first operating handle and the second operating handle are matched for a doctor to perform manual operation in an operation; in order to facilitate control, a first operation finger ring 15 is fixedly connected to the lower end of the first operation handle 11, a second operation finger ring 25 is fixedly connected to the lower end of the second operation handle 21, and the first operation finger ring 15 and the second operation finger ring 25 are used for allowing a doctor to insert fingers.
The first connecting handle 13 and the second connecting handle 23 are arranged in parallel left and right and mainly play a role in connection; the outer side of the first connecting handle 13 refers to the side of the first connecting handle 13 far away from the second connecting handle 23, and the outer side of the second connecting handle 23 refers to the side of the second connecting handle 23 far away from the first connecting handle 13, so that a larger operation space can be formed between the first connecting handle 13 and the second connecting handle 23, the blocking of the operation field is avoided, and the operation is facilitated.
The first expansion handle 12 and the second expansion handle 22 are arranged in parallel left and right and are used for expanding subcutaneous tissues; the first expansion handle 12 and the second expansion handle 22 may have the same structure, such as the same straight handle structure, and the cross-sectional area of the first expansion handle 12 and the second expansion handle 22 decreases from bottom to top; in order to improve the safety during expansion, the outer side surfaces of the first expansion handle 12 and the second expansion handle 22 are both smooth cambered surfaces, and similarly, the upper end surfaces of the first expansion handle 12 and the second expansion handle 22 are both smooth cambered surfaces; alternatively, the first expansion shank 12 and the second expansion shank 22 may be designed as circular rod structures.
The first spreading claw 14 and the second spreading claw 24 are arranged in parallel left and right and are matched for spreading the skin at the incision. Preferably, the first spreading claw 14 and the second spreading claw 24 are respectively bent in opposite directions, for example, when the first spreading claw 14 is simultaneously bent to the left side and the front side, the second spreading claw 24 is simultaneously bent to the right side and the rear side; alternatively, for example, when the first spreading claws 14 are bent simultaneously to the left and the front, the second spreading claws 24 are bent simultaneously to the right and the front.
For the purpose of improving the structural strength, the first distraction claw 14 can be formed by bending the end of the first connecting handle 13, and the second distraction claw 24 can be formed by bending the end of the second connecting handle 23; of course, the first spreading claws 14 and the second spreading claws 24 may be connected to the first and second connection handles 13 and 23 by, for example, welding.
The first operating handle 11 and the second operating handle 21 are connected through a rotating shaft 3 to realize the rotating connection of the two; the rotary shaft 3 may be, for example, a pin structure.
The first expansion handle 12 and the first opening claw 14 are driven by the first operating handle 11 to move left and right, and the second expansion handle 22 and the second opening claw 24 are driven by the second operating handle 21 to move left and right; when the first operating handle 11 and the second operating handle 21 rotate relatively, in the process that the first operating handle 11 and the second operating handle 21 gradually approach, the first expanding handle 12 and the second expanding handle 22 gradually move away, and the first spreading claw 14 and the second spreading claw 24 also gradually move away; when the first operating handle 11 and the second operating handle 21 are gradually separated from each other, the first expanding handle 12 and the second expanding handle 22 are gradually moved closer to each other, and the first spreading claw 14 and the second spreading claw 24 are also gradually moved closer to each other.
By cooperating with the above structure, the auxiliary device can be used in the following ways:
after a doctor cuts the skin of a patient, the great saphenous vein bridge blood vessel can be seen to be positioned between a subcutaneous hoof tissue layer and a muscle layer, the subcutaneous hoof tissue layer at the cut is dissociated, the great saphenous vein bridge blood vessel is exposed, and the integrity of a great saphenous vein blood vessel sheath membrane is ensured as much as possible; the first expansion handle 12 and the second expansion handle 22 of the auxiliary device (at the time, the two are in a closed state) are carefully inserted into the position below the uncut skin of the patient along the path of the surgical blood vessel, and the insertion position is a gap between the tectorial layer and the tunica vaginalis; securing the first and second spreading claws 14 and 24 in position at the skin incision while the first and second spreading handles 12 and 22 are inserted into the gap between the tissue layer of the crus and the tunica vaginalis; after the first expansion handle 12 and the second expansion handle 22 are driven by the first operation handle 11 and the second operation handle 21 to be opened towards two sides, the gap between the tectorial layer and the vascular sheath layer can be expanded, and meanwhile, the first opening claw 14 and the second opening claw 24 are opened to fully expose the incision of the operation position, so that the operation incision and the subcutaneous operation path are exposed at the same time, and the efficiency of taking the bridge blood vessel is improved.
Example two
As shown in fig. 1 to 4, on the basis of the first embodiment, the following improvements can be made to the minimally invasive bridge vessel harvesting assisting device for cardiac surgery according to the present embodiment: a limiting component for limiting the relative position of the first operating handle 11 and the second operating handle 21 is arranged between the two operating handles. Through spacing subassembly, can adjust the clearance between first operation handle 11 and the second operation handle 21, prevent that first operation handle 11 and second operation handle 21 from taking place improper rotation, improve the safety in utilization.
Specifically, the limiting component may include a limiting arm 41 and a movable handle 42, an adjusting through groove 211 is formed in the second operating handle 21, the limiting arm 41 is arc-shaped, one end of the limiting arm 41 is fixed to the first operating handle 11, the other end of the limiting arm passes through the adjusting through groove 211, a first protruding tooth 411 is formed on the lower side surface of the limiting arm 41, and a second protruding tooth 421 which can be engaged with the first protruding tooth 411 is formed on the upper side surface of the movable handle 42; the movable handle 42 is slidably disposed in the adjusting through groove 211, and an elastic member 43 for driving the movable handle 42 to press the limiting arm 41 is disposed in the adjusting through groove 211. The first teeth 411 and the second teeth 421 may have a saw-tooth structure.
The adjusting through groove 211 penetrates through the left and right sides of the second operating handle 21; the stopper arm 41 is bent toward the lower ends of the first and second levers 11 and 21. When the first convex teeth 411 are tightly engaged with the second convex teeth 421, the movable handle 42 is tightly pressed on the position-limiting arm 41, so that the position-limiting arm 41 cannot move, and the first operating handle 11 connected with the position-limiting arm 41 is limited in rotational freedom; when the first protrusion 411 is disengaged from the second protrusion 421, the limiting arm 41 can move through the adjusting through-slot 211. The elastic member 43 is preferably a compression spring structure, one end of which is fixed at the bottom of the adjusting through slot 211, and the other end of which is fixed at the lower side surface of the movable handle 42, and in a free state, the movable handle 42 can be driven to press the limiting arm 41, and when the doctor presses down the movable handle 42, the movable handle 42 overcomes the elastic force of the elastic member 43 to release the contact between the movable handle 42 and the limiting arm 41.
In order to ensure that the movable handle 42 is positioned in the adjusting through groove 211 and slides along the adjusting through groove 211 directionally, as shown in fig. 4, the inner wall of the portion of the second operating handle 21 located in the adjusting through groove 211 is provided with a guiding sliding groove 212, and the side of the movable handle 42 contacting with the second operating handle 21 is provided with a sliding block 422, and the sliding block 422 extends into the guiding sliding groove 212 and can slide along the guiding sliding groove 212.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. An auxiliary device for minimally invasive acquisition of a bridge vessel for cardiac surgery is characterized in that: comprises a first operating handle, a first expansion handle, a second operating handle and a second expansion handle;
the upper end of the first operating handle is connected with the lower end of the first expansion handle through a first connecting handle, the first connecting handle is arc-shaped and protrudes to the outer side, and a first opening claw is arranged at the upper end of the first connecting handle;
the upper end of the second operating handle is connected with the lower end of the second expansion handle through a second connecting handle, the second connecting handle is arc-shaped and protrudes to the outer side, and the upper end of the first connecting handle is provided with a second spreading claw;
the first operating handle is rotatably connected with the second operating handle, and the first expansion handle and the second expansion handle, and the first opening claw and the second opening claw are driven to be synchronously away when the first operating handle is close to the second operating handle.
2. The minimally invasive harvesting bridge vessel auxiliary device for cardiac surgery according to claim 1, characterized in that:
the first expansion handle and the second expansion handle are of the same straight handle structure, and the cross sectional areas of the first expansion handle and the second expansion handle are gradually reduced from bottom to top.
3. The minimally invasive harvesting bridge vessel auxiliary device for cardiac surgery according to claim 1, characterized in that:
the outer side surfaces of the first expansion handle and the second expansion handle are both smooth cambered surface structures.
4. The minimally invasive harvesting bridge vessel auxiliary device for cardiac surgery according to claim 1, characterized in that:
the first spreading claw and the second spreading claw are bent towards opposite directions respectively.
5. The minimally invasive harvesting bridge vessel auxiliary device for cardiac surgery according to claim 1, characterized in that:
the first spreading claw is formed by bending the tail end of the first connecting handle; the second spreading claw is formed by bending the end of the second connecting handle.
6. The minimally invasive harvesting bridge vessel auxiliary device for cardiac surgery according to claim 1, characterized in that:
the first operating handle is connected with the second operating handle through a rotating shaft.
7. The minimally invasive harvesting bridge vessel auxiliary device for cardiac surgery according to claim 1, characterized in that:
the lower end of the first operating handle is fixedly connected with a first operating ring, and the lower end of the second operating handle is fixedly connected with a second operating ring.
8. The minimally invasive bridge vessel harvesting device for cardiac surgery as recited in any one of claims 1 to 7, wherein:
and a limiting component for limiting the relative position of the first operating handle and the second operating handle is arranged between the first operating handle and the second operating handle.
9. The device for minimally invasive harvesting of a bridge vessel for cardiac surgery according to claim 8, wherein:
the limiting assembly comprises a limiting arm and a movable handle, an adjusting through groove is formed in the second operating handle, the limiting arm is arc-shaped, one end of the limiting arm is fixed to the first operating handle, the other end of the limiting arm penetrates through the adjusting through groove, first convex teeth are arranged on the lower side surface of the limiting arm, and second convex teeth which can be meshed with the first convex teeth are arranged on the upper side surface of the movable handle; the movable handle is slidably arranged in the adjusting through groove, and an elastic part used for driving the movable handle to tightly press the limiting arm is arranged in the adjusting through groove.
10. The device for minimally invasive harvesting of a bridge vessel for cardiac surgery according to claim 9, wherein:
the inner wall of the part, located on the adjusting through groove, of the second operating handle is provided with a guide sliding groove, the side face, contacted with the second operating handle, of the movable handle is provided with a sliding block, and the sliding block extends into the guide sliding groove and can slide along the guide sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604256.1U CN216060610U (en) | 2021-10-28 | 2021-10-28 | Auxiliary device for minimally invasive acquisition of blood bridge vessel for cardiac surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122604256.1U CN216060610U (en) | 2021-10-28 | 2021-10-28 | Auxiliary device for minimally invasive acquisition of blood bridge vessel for cardiac surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216060610U true CN216060610U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122604256.1U Active CN216060610U (en) | 2021-10-28 | 2021-10-28 | Auxiliary device for minimally invasive acquisition of blood bridge vessel for cardiac surgery |
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| Country | Link |
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| CN (1) | CN216060610U (en) |
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2021
- 2021-10-28 CN CN202122604256.1U patent/CN216060610U/en active Active
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