Blood vessel clamp holder for blood vessel
By designing a threaded rod-driven vascular clamping device, the problem of unstable vascular clamping in cardiovascular surgery is solved, and the effect of stable clamping and protection of blood vessels is achieved.
Patent Information
- Application Number
- CN202510445080.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2025-08-01
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In cardiovascular surgery, existing vascular clamps are difficult to find a balance between avoiding rupture of blood vessels and sliding and falling off the clip, resulting in inconvenience in operation and safety risks.
A blood vessel clamper is designed to drive the clamping arm adjustment by rotating the threaded rod, combining the engagement structure of the clamping assembly and the driving assembly to achieve stable clamping of the blood vessels and protect the blood vessels through a silicone pad.
The stable clamping of blood vessels is achieved, avoiding rupture of blood vessels and sliding and falling off the clamp, improving the safety and comfort of the operation.
Smart Images
Figure CN120392184A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of medical auxiliary instruments, and particularly relates to a blood vessel clamp for blood vessels. Background Art
[0002] During cardiovascular surgery, it is necessary to clamp blood vessels. However, the blood vessel wall is very thin, and when clamping blood vessels, one must be careful and not apply too much pressure to a local area of the blood vessel, otherwise it is easy to cause the blood vessel to rupture and cause adverse consequences. When clamping, medical staff need to always maintain a fixed force, and insufficient clamping force will cause the clip to slide, which is likely to cause the blood vessel to fall off. Summary of the Invention
[0003] The purpose of the present invention is to provide a blood vessel clamp for blood vessels with a simple structure, reasonable design and convenient use in view of the defects and deficiencies of the prior art. By only rotating the threaded rod, the two clamping arms can be adjusted appropriately, so that the two clamping arms firmly clamp the blood vessel, avoiding the phenomenon of falling off, and the clamping force between the two clamping arms can be controlled, and the phenomenon of blood vessel rupture can be avoided.
[0004] To achieve the above purpose, the technical solution adopted by the present invention is: It includes a sleeve, and a grip rod is arranged on the right side of the sleeve; It also includes: Clamping arms, there are two clamping arms, which are symmetrically arranged inside the sleeve, and the clamping ends of the clamping arms respectively pass through the left side wall of the sleeve and are arranged on the left side of the sleeve; Clamping assembly, the clamping assembly is arranged inside the sleeve; Driving assembly, the driving assembly is arranged inside the sleeve, and the driving assembly is arranged on the right side of the clamping assembly; Through the above technical solution design, the driving assembly drives the clamping assembly to drive the clamping arms to perform a clamping operation.
[0005] As a further improvement of the present invention, the driving assembly includes: Fixed screw tube, the fixed screw tube penetrates and is fixed on the right side of the sleeve; Threaded rod, the threaded rod is screwed through the inside of the fixed screw tube by thread; and the right end of the threaded rod is exposed and arranged on the sleeve; Driving tooth block, the driving tooth block is arranged on the left side of the threaded rod, and the left end of the threaded rod is rotatably inserted into the right side of the driving tooth block through a bearing; tooth teeth are arranged on both the front and rear sides of the driving tooth block; a chute is opened inside the driving tooth block; a limiting block is penetrated inside the chute, and the upper and lower ends of the limiting block are respectively connected to the upper and lower inner walls of the sleeve; Through the above technical solution design, the rotation of the threaded rod drives the driving tooth block to change the position of the driving tooth block.
[0006] As a further improvement of the present invention, a hand-twisting platform is provided on the exposed end on the right side of the threaded rod; Through the design of the above technical solution, the threaded rod can be rotated.
[0007] As a further improvement of the present invention, the clamping assembly includes: Support arms, there are two support arms, symmetrically fixed on the inner walls of the front and rear sides of the sleeve; the support arms are arranged in an "L" shape, a groove is opened in the horizontal end of the support arm, and a rotating gear is hingedly arranged in the groove through a hinge shaft, and the rotating gear is meshed with the teeth of the driving tooth block; Support seats, there are two support seats, symmetrically fixed on the inner wall of the sleeve front and back, and the support seats are arranged on the left side of the support arms; Drive gears, there are two drive gears, respectively hingedly arranged in the support seats through hinge shafts, and the drive gears are meshed outside the rotating gears; the clamping arms are respectively sleeved and fixed on the corresponding hinge shafts; Through the design of the above technical solution, when the driving tooth block moves, the rotating gear rotates, and when the rotating gears mesh, the driving gears rotate, so that the clamping arms rotate around the hinge center of the hinge shaft.
[0008] As a further improvement of the present invention, a clamping groove is opened on the inner arm of the clamping end of the clamping arm, and a silica gel pad is arranged on the inner wall of the clamping groove; Through the design of the above technical solution, the blood vessels are protected while being clamped.
[0009] As a further improvement of the present invention, the sleeve is composed of a fixed cylinder and a movable cylinder; limiting grooves are relatively opened on the front and back of the left side of the fixed cylinder, the clamping arms pass through the corresponding limiting grooves, and the support arms and the support seats are fixed on the inner ring wall of the fixed cylinder; a fixed screw tube passes through and is fixed in the movable cylinder, the movable cylinder is threadedly sleeved on the open end on the right side of the fixed cylinder, and a limiting ring is sleeved and fixed on the outer wall of the fixed cylinder, the movable cylinder is in contact with the limiting ring, and the outer wall of the movable cylinder and the outer wall of the limiting ring are arranged on the same ring wall; a locking sleeve is movably sleeved on the fixed cylinder, the open end of the locking sleeve is sleeved on the limiting ring, and the locking sleeve is threadedly sleeved on the movable cylinder; Through the design of the above technical solution, the cooperation between the locking sleeve and the movable cylinder facilitates the disassembly of the movable cylinder.
[0010] As a further improvement of the present invention, an extension cylinder is sleeved on the grip rod, and a guiding screw rod is fixed on the inner wall of the front side of the extension cylinder. A threaded groove is opened in the longitudinal end of the grip rod, and the guiding screw rod is rotationally inserted into the threaded groove through a thread; Through the design of the above technical solution, the movement of the extension cylinder changes the length of the grip rod.
[0011] As a further improvement of the present invention, a collar is sleeved and fixed on the longitudinal end of the grip rod, and the collar is arranged in contact with the wall of the extension cylinder; Through the design of the above technical solution, the movement of the extension cylinder is limited.
[0012] After adopting the above structure, the beneficial effects of the present invention are as follows: 1. Only by rotating the threaded rod, a series of meshing fits can be used to drive the clamping arm to clamp the blood vessel, and there is no need to additionally add a fixed structure. Just stop rotating the threaded rod to achieve the purpose of clamping and fixing; 2. By rotating the extension cylinder to move it and extend the length of the worm, it is convenient for medical staff to hold and operate, improving the operation comfort; 3. In addition to the threaded connection between the movable cylinder and the fixed cylinder, a locking sleeve is also used for reinforcement, making the installation of the movable cylinder and the fixed cylinder more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0014] Figure 1 It is a schematic structural diagram of the present invention.
[0015] Figure 2 It is a schematic internal structure diagram of the sleeve in the present invention.
[0016] Figure 3 is Figure 2 an enlarged view of part A of
[0017] Figure 4 It is a schematic structural diagram of the worm and the extension cylinder in the present invention.
[0018] Figure 5 It is a schematic structural diagram of the support arm in the present invention.
[0019] Explanation of the reference numerals: Sleeve 1, fixed cylinder 1-1, limit groove 1-1-1, movable cylinder 1-2, limit ring 1-3, locking sleeve 1-4, grip rod 2, thread groove 2-1, clamping arm 3, clamping groove 3-1, silicone pad 3-2, clamping assembly 4, support arm 4-1, groove 4-1-1, rotating gear 4-2, support base 4-3, driving gear 4-4, driving assembly 5, fixed screw tube 5-1, threaded rod 5-2, driving tooth block 5-3, chute 5-4, limit block 5-5, hand-tightening platform 5-6, extension cylinder 6, guiding screw rod 7, collar 8. Detailed implementation manner
[0020] The present invention will be further described below with reference to the accompanying drawings.
[0021] Embodiment 1: Please refer to Figures 1-5 , this embodiment includes a sleeve 1, and a grip rod 2 is arranged on the right side of the sleeve 1; an extension cylinder 6 is sleeved on the grip rod 2, and a guiding screw rod 7 is fixed on the inner wall of the front side of the extension cylinder 6, a thread groove 2-1 is formed in the longitudinal end of the grip rod 2, and the guiding screw rod 7 is rotationally inserted into the thread groove 2-1 through threads; a collar 8 is sleeved and fixed on the longitudinal end of the grip rod 2, and the collar 8 is in contact with the barrel wall of the extension cylinder 6; it further includes: Clamping arms 3, there are two clamping arms 3, which are symmetrically arranged in the sleeve 1, and the clamping ends of the clamping arms 3 respectively pass through the left side wall of the sleeve 1 and are arranged on the left side of the sleeve 1; Clamping assembly 4, the clamping assembly 4 is arranged inside the sleeve 1; Driving assembly 5, the driving assembly 5 is arranged inside the sleeve 1, and the driving assembly 5 is arranged on the right side of the clamping assembly 4; With the above design, the driving assembly 5 drives the clamping assembly 4 to drive the clamping arms 3 to perform clamping operations.
[0022] Embodiment 2: Please refer to Figures 1-5 , on the basis of Embodiment 1, further improvement is made. The driving assembly 5 includes: Fixed screw tube 5-1, the fixed screw tube 5-1 is penetrated and fixed on the right side of the sleeve 1; Threaded rod 5-2, the threaded rod 5-2 is rotationally connected through threads and penetrates inside the fixed screw tube 5-1; and the right end of the threaded rod 5-2 is exposed outside the sleeve 1; a hand-tightening platform 5-6 is arranged on the exposed end on the right side of the threaded rod 5-2; The driving tooth block 5-3 is arranged on the left side of the threaded rod 5-2, and the left end of the threaded rod 5-2 is rotatably inserted into the right side of the driving tooth block 5-3 through a bearing; tooth teeth are arranged on both the front and rear sides of the driving tooth block 5-3; a chute 5-4 is formed inside the driving tooth block 5-3; a limiting block 5-5 is inserted through the inside of the chute 5-4, and the upper and lower ends of the limiting block 5-5 are respectively connected to the inner walls of the upper and lower sides of the sleeve 1; With the above design, the threaded rod 5-2 rotates to drive the driving tooth block 5-3 and change the position of the driving tooth block 5-3.
[0023] Embodiment 3: Please refer to Figures 1-5 , on the basis of Embodiment 1, a further improvement is made. The clamping assembly 4 includes: Support arms 4-1, there are two support arms 4-1, which are symmetrically fixed to the inner walls of the front and rear sides of the sleeve 1; the support arms 4-1 are arranged in an "L" shape, a groove 4-1-1 is formed inside the horizontal end of the support arm 4-1, and a rotating gear 4-2 is hinged in the groove 4-1-1 through a hinge shaft, and the rotating gear 4-2 is meshed with the tooth teeth of the driving tooth block 5-3; Support seats 4-3, there are two support seats 4-3, which are symmetrically fixed to the inner wall of the sleeve 1 in the front and rear, and the support seats 4-3 are arranged on the left side of the support arms 4-1; Driving gears 4-4, there are two driving gears 4-4, which are respectively hinged in the support seats 4-3 through hinge shafts, and the driving gears 4-4 are meshed outside the rotating gear 4-2; the clamping arms 3 are respectively sleeved and fixed on the corresponding hinge shafts; a clamping groove 3-1 is formed on the inner arm of the clamping end of the clamping arm 3, and a silica gel pad 3-2 is arranged on the inner wall of the clamping groove 3-1; With the above design, the movement of the driving tooth block 5-3 makes the rotating gear 4-2 rotate, and the meshing of the rotating gear 4-2 makes the driving gear 4-4 rotate, so that the clamping arms 3 rotate around the hinge center of the hinge shaft.
[0024] Embodiment 4: Please refer to Figures 1-5, on the basis of Embodiment 1, further improvements are made. The sleeve 1 is composed of a fixed cylinder 1-1 and a movable cylinder 1-2; limiting grooves 1-1-1 are oppositely formed at the front and rear of the left side of the fixed cylinder 1-1. The clamping arms 3 are inserted into the corresponding limiting grooves 1-1-1, and the support arms 4-1 and the support base 4-3 are fixed to the inner ring wall of the fixed cylinder 1-1; the fixed screw tube 5-1 is inserted and fixed in the movable cylinder 1-2. The movable cylinder 1-2 is threadedly sleeved on the open end of the right side of the fixed cylinder 1-1, and a limiting ring 1-3 is sleeved and fixed on the outer ring wall of the fixed cylinder 1-1. The movable cylinder 1-2 is in contact with the limiting ring 1-3, and the outer ring wall of the movable cylinder 1-2 and the outer ring wall of the limiting ring 1-3 are arranged on the same ring wall; a locking sleeve 1-4 is movably sleeved on the fixed cylinder 1-1. The open end of the locking sleeve 1-4 is sleeved on the limiting ring 1-3, and the locking sleeve 1-4 is threadedly sleeved on the movable cylinder 1-2; With the above design, the locking sleeve 1-4 cooperates with the movable cylinder 1-2 to facilitate the disassembly of the movable cylinder 1-2.
[0025] When using the present invention, first, according to the operation requirements of medical staff, the extension cylinder 6 is rotated, and the internal guide screw 7 rotates in cooperation with the thread groove 2-1 to move the extension cylinder 6 and adjust the length of the worm rod, so that the medical staff can hold the extension cylinder 6 for operation; the two clamping arms 3 are arranged on the outside of the blood vessel, and the manual hand-tightening platform 5-6 is rotated manually, so that the threaded rod 5-2 rotates and moves in the fixed screw tube 5-1 through thread cooperation. The movement of the threaded rod 5-2 drives the driving tooth block 5-3, and is guided by the cooperation of the sliding groove 5-4 and the limiting block 5-5; the teeth on both sides of the driving tooth block 5-3 respectively engage and rotate the rotating gears 4-2 on their respective sides. When the rotating gear 4-2 rotates, it meshes and drives the driving gear 4-4 to rotate, so that the clamping arm 3 rotates to clamp the blood vessel; when the operation is completed and the blood vessel does not need to be clamped, only the threaded rod 5-2 needs to be rotated in the reverse direction to move the two clamping arms 3 outward, so as to loosen the blood vessel.
[0026] After adopting the above structure, the beneficial effects of this specific embodiment are as follows: 1. Only by rotating the threaded rod 5-2, the clamping arm 3 can be driven through a series of meshing cooperations to clamp the blood vessel, and there is no need to additionally increase a fixed structure. Only by stopping the rotation of the threaded rod 5-2, the purpose of clamping and fixing can be achieved; 2. By rotating the extension cylinder 6 to move it and extend the length of the worm rod, it is convenient for medical staff to hold and operate, improving the operation comfort; 3. In addition to the threaded connection between the movable cylinder 1-2 and the fixed cylinder 1-1, the locking sleeve 1-4 is also used for reinforcement, making the installation of the movable cylinder 1-2 and the fixed cylinder 1-1 more stable.
[0027] As described above, it is only used to illustrate the technical solution of the present invention rather than to limit it. Any other modifications or equivalent substitutions made by those of ordinary skill in the art to the technical solution of the present invention shall be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.
Claims
1. A vascular clamp for blood vessels, which comprises a sleeve (1), and a grip rod (2) is arranged on the right side of the sleeve (1); characterized in that, It also includes: Clamping arms (3), there are two of the clamping arms (3), which are symmetrically arranged inside the sleeve (1), and the clamping ends of the clamping arms (3) respectively pass through the left side wall of the sleeve (1) and are arranged on the left side of the sleeve (1); A clamping assembly (4), the clamping assembly (4) is arranged inside the sleeve (1); A driving assembly (5), the driving assembly (5) is arranged inside the sleeve (1), and the driving assembly (5) is arranged on the right side of the clamping assembly (4).
2. The vascular clip for blood vessels according to claim 1, characterized in that: The driving assembly (5) includes: A fixed screw tube (5-1), the fixed screw tube (5-1) passes through and is fixed to the right side of the sleeve (1); A threaded rod (5-2), the threaded rod (5-2) is screwed through the inside of the fixed screw tube (5-1) by thread; and the right end of the threaded rod (5-2) is exposed outside the sleeve (1); A driving tooth block (5-3), the driving tooth block (5-3) is arranged on the left side of the threaded rod (5-2), and the left end of the threaded rod (5-2) is rotatably inserted into the right side of the driving tooth block (5-3) through a bearing; tooth teeth are arranged on both the front and rear sides of the driving tooth block (5-3); a chute (5-4) is opened inside the driving tooth block (5-3); a limiting block (5-5) is inserted through the inside of the chute (5-4), and the upper and lower ends of the limiting block (5-5) are respectively connected to the inner walls of the upper and lower sides of the sleeve (1).
3. The vascular clip for blood vessels according to claim 2, wherein: A hand-tightening platform (5-6) is arranged on the exposed end on the right side of the threaded rod (5-2).
4. The vascular clip for blood vessels according to claim 1, characterized in that: The clamping assembly (4) includes: Support arms (4-1), there are two of the support arms (4-1), which are symmetrically fixed to the inner walls of the front and rear sides of the sleeve (1); the support arms (4-1) are arranged in an "L" shape, a groove (4-1-1) is opened inside the horizontal end of the support arm (4-1), and a rotating gear (4-2) is hinged inside the groove (4-1-1) through a hinge shaft, and the rotating gear (4-2) is meshed with the tooth teeth of the driving tooth block (5-3); Support seats (4-3), there are two of the support seats (4-3), which are symmetrically fixed to the inner wall of the sleeve (1) front and back, and the support seats (4-3) are arranged on the left side of the support arms (4-1); Driving gears (4-4), there are two of the driving gears (4-4), which are respectively hinged inside the support seats (4-3) through hinge shafts, and the driving gears (4-4) are meshed outside the rotating gear (4-2); the clamping arms (3) are respectively sleeved and fixed on the corresponding hinge shafts.
5. The vascular clamp for blood vessels according to claim 4, wherein: A clamping groove (3-1) is opened on the inner arm of the clamping end of the clamping arm (3), and a silica gel pad (3-2) is arranged on the inner wall of the clamping groove (3-1).
6. The vascular clip for blood vessels according to claim 4, characterized in that: The sleeve (1) described above is composed of a fixed cylinder (1-1) and a movable cylinder (1-2); limiting grooves (1-1-1) are oppositely formed at the front and rear of the left side of the fixed cylinder (1-1), the clamping arms (3) are inserted into the corresponding limiting grooves (1-1-1), and the support arms (4-1) and the support base (4-3) are fixed on the inner annular wall of the fixed cylinder (1-1); a fixed screw pipe (5-1) is inserted and fixed in the movable cylinder (1-2), the movable cylinder (1-2) is screwed and sleeved at the open end on the right side of the fixed cylinder (1-1), and a limiting ring (1-3) is sleeved and fixed on the outer annular wall of the fixed cylinder (1-1), the movable cylinder (1-2) is arranged in contact with the limiting ring (1-3), and the outer annular wall of the movable cylinder (1-2) and the outer annular wall of the limiting ring (1-3) are arranged on the same annular wall; a locking sleeve (1-4) is movably sleeved on the fixed cylinder (1-1), the open end of the locking sleeve (1-4) is sleeved on the limiting ring (1-3), and the locking sleeve (1-4) is screwed and sleeved on the movable cylinder (1-2).
7. The vascular clip for blood vessels according to claim 1, wherein: An extension cylinder (6) is sleeved on the grip rod (2) described above, and a guide screw rod (7) is fixed on the inner wall of the front side of the extension cylinder (6), a threaded groove (2-1) is formed in the longitudinal end of the grip rod (2), and the guide screw rod (7) is rotationally inserted into the threaded groove (2-1) through threads.
8. A vascular clip for blood vessels according to claim 7, characterized in that: A collar (8) is sleeved and fixed on the longitudinal end of the grip rod (2) described above, and the collar (8) is arranged in contact with the cylinder wall of the extension cylinder (6).