CN112168270B - Blood vessel ligation device and blood vessel ligation method - Google Patents
Blood vessel ligation device and blood vessel ligation method Download PDFInfo
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- CN112168270B CN112168270B CN202011225604.8A CN202011225604A CN112168270B CN 112168270 B CN112168270 B CN 112168270B CN 202011225604 A CN202011225604 A CN 202011225604A CN 112168270 B CN112168270 B CN 112168270B
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- A—HUMAN NECESSITIES
- 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
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B17/12013—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot for use in minimally invasive surgery, e.g. endoscopic surgery
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- A—HUMAN NECESSITIES
- 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
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- A—HUMAN NECESSITIES
- 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
- A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
- A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
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- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of medical operation consumables, in particular to a blood vessel ligation device and a blood vessel ligation method, wherein the blood vessel ligation device comprises a clamp applier body, a ligation clamp, a mounting seat, a traction arm, a traction lug, a traction assembly, a tightening block, a tightening lug and a tightening assembly; the latter comprises the steps of: (1) placing the vessel to be ligated inside the band body. The invention has reasonable and compact structure and ingenious conception, the force of the clamp applier body when the ligature belt is tightened can be controlled by the tightening component, and visual and controllable blood vessel ligation operation can be realized by visual observation; the traction cap is arranged, so that the left end of the upper part of the ribbon body passes through the lock cavity and tightens the ribbon body through the traction arm; through setting up locking tooth and spring bolt, avoid tightening up the ribbon body and loosen, have quick, reliable and stable characteristics.
Description
Technical Field
The invention relates to the technical field of medical operation consumables, in particular to a blood vessel ligation device and a blood vessel ligation method.
Background
In clinical operations, especially in endoscopic operations, it is necessary to perform a clipping operation and then a dissection resection operation before dissection of blood vessels and other tissues, and the main purpose of the present invention is mainly to prevent digestive tract leakage such as hemorrhage and bile leakage. At present, the commonly used ligature clips comprise two main types of absorbable biological ligature clips and Hem-o-lock plastic ligature clips (non-absorbable), and the principle of the clip closure is that the upper end and the lower end of the clip are buckled under the external force of a clip applier, so that the purpose of the clip closure is realized. According to the different sizes of blood vessels or tissues, ligature clips with different sizes and models are selected.
At present, when the clip applier is used for tightening the ligation clip, the tightening force is uncontrollable and the ligation process cannot be visualized; in addition, there are several problems in using a ligature clip, one of which is that the size of the ligature clip is fixed and the size of the target blood vessel and tissue to be clamped is different, so that insufficient clamping is unavoidable, partial clamping is performed, tension is excessively high after clamping and "tripping" is performed, the large clip is small and is performed to slip off or occupy the surgical field, the subsequent operation is limited, or the ligature clip is wasted due to inaccurate selection, and the ligature clip is not used for a slightly larger tissue. The problems described above occur somewhat during surgery and somewhat after surgery, with immeasurable risks and damage to both the clinician and the patient. Secondly, the firmness problem of clamping is that after the ligature clamp used at present is clamped, the ligature clamp possibly has infirm buckling during use due to the design structure of the ligature clamp, or once the ligature clamp is tripped after operation, multiple protection is not available, so that the risks of operation and postoperation are obviously increased, and even life safety is threatened. Thirdly, when the ligature clip needs to be removed during operation due to wrong clip or changing the clip closing position, difficulty in removing and even side injury occur at the moment.
Disclosure of Invention
The invention provides a blood vessel ligation device and a blood vessel ligation method, which overcome the defects of the prior art and can effectively solve the problem that the clamping operation of the existing ligation clamp by using a clamp applier is difficult.
One of the technical schemes of the invention is realized by the following measures: the utility model provides a blood vessel ligature device, including the clip applier body, the ligature clamp, the mount pad, the trailing arm, the traction lug, traction assembly, tighten up the piece, tighten up lug and tighten up the assembly, the clip applier body includes preceding curb plate, posterior lateral plate and bottom plate, bottom plate front side fixed mounting has preceding curb plate, the posterior lateral plate of bottom plate rear side fixed mounting has posterior lateral plate, clip applier body top is equipped with the ligature clamp, the ligature clamp includes the ribbon body, the locking tooth, traction cap, fixing base and spring bolt, the ribbon body is the C font ribbon structure that the opening left, ribbon body middle part inboard is equipped with a plurality of lock tooth that the equidirectional is arranged, ribbon body upper end left side is equipped with the ascending traction cap of opening, ribbon body lower part left end fixed mounting has the fixing base, be equipped with the lock chamber that link up and down, be equipped with the spring bolt with the fixed mounting clip applier body upside of fixed mounting in the fixing base of the position of both sides in the corresponding spring bolt front and back in the lock chamber; the clamp applier body is internally hinged with a traction arm with the left end positioned above the ribbon body, the traction arm is in a minor arc shape, the lower side of the left end of the traction arm is provided with a traction lug with the lower end positioned in a traction cap, and the middle part of the clamp applier body is provided with a traction assembly capable of enabling the traction arm to rotate; the right part of the clamp applier body is provided with a tightening assembly capable of enabling the tightening block to move rightwards.
The following are further optimizations and/or improvements to one of the above-described inventive solutions:
the device also comprises a handle, wherein the handle is fixedly arranged on the lower side of the right end of the bottom plate; the traction assembly comprises a guide cylinder, a traction cross rod and a traction vertical rod, a vertical through rotating square hole is formed in a bottom plate at the right part of the corresponding traction arm, the right end of the traction arm is located below the clip applier body, the guide cylinder is fixedly installed at the lower side of the middle part of the bottom plate at the right part of the corresponding traction arm, a left-right through guide hole is formed in the guide cylinder, the left end of the traction cross rod is located at the left part of the guide cylinder, the left end of the traction cross rod is hinged with the right end of the traction arm, the right end of the traction cross rod is located at the right part of the guide cylinder, and the right end of the traction cross rod is fixedly installed at the upper end of the traction vertical rod.
The tightening assembly can comprise a tightening cross rod, a tightening vertical rod and a tightening stop block, the tightening steel wire is arranged on the right portion of the bottom plate, a translation square hole which is vertically penetrated is formed in the left portion of the bottom plate, the tightening cross rod is arranged on the left portion of the translation square hole, the right end of the tightening cross rod is fixedly arranged on the upper end of the tightening vertical rod, the tightening stop block is fixedly arranged on the upper side of the tightening cross rod, the width of the tightening stop block is larger than that of the translation square hole, and the tightening steel wire is fixedly arranged between the right side of the tightening block and the left side of the tightening stop block.
The tightening assembly can further comprise a left baffle, a reset spring and a right baffle, the left baffle is fixedly arranged between the left end of the front side plate and the left end of the rear side plate, the right baffle is fixedly arranged in the left Fang Weizhi clamp applier corresponding to the right part of the traction arm, the reset spring positioned in the clamp applier is arranged on the outer side of the tightening steel wire corresponding to the position between the tightening block and the right baffle, and the right end of the reset spring is fixedly arranged on the left side of the right baffle.
The upper side guide groove is I-shaped, the guide groove comprises an upper groove, a middle groove and a lower groove which are sequentially communicated from top to bottom, the tightening block and the lower end of the reset spring are both located in the upper groove, the guide block is fixedly installed on the lower side of the tightening block and is in an inverted T shape, the upper portion of the guide block is located in the middle groove, and the lower portion of the guide block is located in the lower groove.
The mounting seat can comprise a front upright post and a rear upright post, the fixing seat is of a cuboid frame structure, the right side of the lock tongue is fixedly mounted with the middle part of the left side of the right upper edge of the fixing seat, the lock tongue is positioned behind the front upper edge of the fixing seat, and two vertical upward front upright posts are fixedly mounted at left and right intervals on the upper side of the front side plate corresponding to the position between the lock tongue and the front upper edge of the fixing seat; the lock tongue is located the back upper edge place ahead of fixing base, and the interval is fixed mounting has two vertical ascending front posts about the posterior lateral plate upside of the position between the back upper edge of corresponding lock tongue and fixing base.
The inner side of the middle part of the ribbon body can be provided with a plurality of locking teeth which are arranged in the same direction at intervals, the locking teeth positioned at the lower part of the ribbon body are main locking teeth, all the locking teeth are identical to the main locking teeth in structure, the main locking teeth are quadrangular, the cross section of each main locking tooth is right trapezoid, the right side face of each main locking tooth is an inclined plane, the lock tongue is wedge-shaped, and the upper side face and the lower side face of the lock tongue are inclined planes which incline in a left-low right-high shape.
The traction arm can further comprise a hinge shaft and a hinge sleeve, wherein the hinge shaft is fixedly installed between the front side plate and the rear side plate corresponding to the right side of the right part of the traction arm, the hinge sleeve is sleeved outside the hinge shaft, and the left side of the hinge sleeve is fixedly installed with the right side of the right part of the traction arm.
The left end of the upper part of the ribbon body can be an isosceles trapezoid with narrow left and wide right.
The second technical scheme of the invention is realized by the following measures: a blood vessel ligating method using the blood vessel ligating device comprises the following steps:
(1) Placing the blood vessel to be ligated inside the band body;
(2) The traction assembly enables the traction arm to rotate anticlockwise, and the traction lug and the traction cap at the upper part of the ribbon body rotate along with the traction arm to enter the lock cavity;
(3) The traction arm introduces the traction cap into the clamp applier body, and the ribbon body cannot withdraw from the lock cavity under the cooperation of the locking teeth and the lock tongue;
(4) The traction component enables the traction arm to rotate and reset clockwise;
(5) The tightening assembly enables the tightening block to move rightwards, and the traction cap moves rightwards in the clamp applier body under the action of the tightening convex blocks, so that the ribbon body is tightened;
(6) And taking down the tightened ligature clamp from the mounting seat to finish ligature operation of the blood vessel to be ligatured.
The invention has reasonable and compact structure and ingenious conception, the force of the clamp applier body when the ligature belt is tightened can be controlled by the tightening component, and visual and controllable blood vessel ligation operation can be realized by visual observation; by arranging the traction lug, the traction arm is convenient for introducing the ribbon body into the clip applier body; the tightening convex blocks are arranged, so that the tightening blocks can conveniently tighten the ribbon body right; by arranging the traction cap, the left end of the upper part of the ribbon body passes through the lock cavity and tightens the ribbon body conveniently through the clip applier; through setting up locking tooth and spring bolt, avoid tightening up the ribbon body after, have stable, high-efficient and intelligent characteristics.
Drawings
Fig. 1 is a schematic view of a cross-sectional front view of a preferred embodiment of the present invention.
FIG. 2 is an enlarged schematic cross-sectional view of FIG. 1 at A-A.
Fig. 3 is an enlarged schematic cross-sectional view of fig. 1 at B-B.
Fig. 4 is a schematic cross-sectional front view of the fig. 1 device in use.
Fig. 5 is a schematic view of the ligating band of fig. 1 in a front view in an expanded configuration.
Fig. 6 is a schematic top view of fig. 5.
The codes in the drawings are respectively: 1 is a front side plate, 2 is a rear side plate, 3 is a bottom plate, 4 is a traction arm, 5 is a traction lug, 6 is a tightening block, 7 is a tightening lug, 8 is a handle, 9 is a tightening cross bar, 10 is a tightening vertical bar, 11 is a tightening steel wire, 12 is a translation square hole, 13 is a return spring, 14 is a right baffle, 15 is a guide block, 16 is an upper groove, 17 is a middle groove, 18 is a lower groove, 19 is a guide cylinder, 20 is a traction cross bar, 21 is a traction vertical bar, 22 is a rotation square hole, 23 is a front baffle, 24 is a rear upright post, 25 is a hinged sleeve, 26 is a hinged shaft, 27 is a tightening stop block, 28 is a binding belt body, 29 is a fixing seat, 30 is a traction cap, 31 is a locking tooth, 32 is a lock tongue, and 33 is a lock cavity.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described below with reference to examples and figures:
as shown in fig. 1, 2, 3, 4, 5 and 6, the blood vessel ligature device comprises a clip applier body, a ligature clip, a mounting seat, a traction arm 4, a traction lug 5, a traction component, a tightening block 6, a tightening lug 7 and a tightening component, wherein the clip applier body comprises a front side plate 1, a rear side plate 2 and a bottom plate 3, the front side of the bottom plate 3 is fixedly provided with the front side plate 1, the rear side of the bottom plate 3 is fixedly provided with the rear side plate 2, the ligature clip is arranged above the clip applier body, the ligature clip comprises a ligature band body 28, locking teeth 31, a traction cap 30, a fixing seat 29 and a lock tongue 32, the ribbon body 28 is of a C-shaped ribbon structure with a left opening, a plurality of locking teeth 31 which are arranged in the same direction are arranged on the inner side of the middle part of the ribbon body 28, a traction cap 30 with an upward opening is arranged on the left side of the upper end of the ribbon body 28, a fixing seat 29 is fixedly arranged on the left end of the lower part of the ribbon body 28, a locking cavity 33 which is penetrated up and down is arranged in the middle part of the fixing seat 29, a lock tongue 32 which is in unidirectional locking fit with the locking teeth 31 is arranged in the locking cavity 33, and a mounting seat which is fixedly arranged on the upper side of the clip applier body is arranged in the fixing seat 29 corresponding to the front side and the rear side of the lock tongue 32; the clamp applier body is internally hinged with a traction arm 4 with the left end positioned above the ribbon body 28, the traction arm 4 is in a minor arc shape, the lower side of the left end of the traction arm 4 is provided with a traction lug 5 with the lower end positioned in a traction cap 30, and the middle part of the clamp applier body is provided with a traction component capable of rotating the traction arm 4; the clamp applier body corresponding to the left position of the mounting seat is internally provided with a tightening block 6, the right side of the tightening block 6 is provided with a tightening lug 7, and the right part of the clamp applier body is provided with a tightening assembly capable of enabling the tightening block 6 to move rightwards. In the use process, the fixing seat 29 is arranged on the ligature clamp, so that the ligature clamp is convenient to install on the installation seat; by arranging the clip applier body, the force when the ligature belt is contracted can be controlled by the contraction component, and visual and controllable blood vessel ligature operation can be realized by visual observation; by providing the pulling tab 5, the pulling arm 4 is facilitated to introduce the tie body 28 into the clip applier body; by arranging the tightening convex blocks 7, the tightening block 6 can conveniently tighten the ribbon body 28; by arranging the locking teeth 31 and the lock tongue 32, the tightened ribbon body 28 is prevented from loosening; in addition, the mode of locking the ribbon body 28 is that a plurality of locking teeth 31 are matched with the lock tongue 32 to realize unidirectional locking, so that multiple guarantees are provided on safety and firmness; for the size of blood vessels and tissues, the adjustment can be realized by the size of the ring shape after the band body 28 is tightened, and various types of ligature clips and clip appliers are not required to be prepared; the force on tightening the band body 28 can be controlled by the clip applier and can be visually observed, which is a visually controllable ligation process with better safety and reliability; the locking teeth 31 also prevent the ligating clip from slipping off the target tissue; the band body 28 may be absorbable or non-absorbable; when the ribbon body 28 needs to be dismantled, only the middle part of the ribbon body 28 needs to be sheared, and the dismantling is convenient and safe.
The blood vessel ligating device can be further optimized or/and improved according to actual needs:
as shown in figures 1, 2, 3, 4, 5 and 6, the utility model also comprises a handle 8, and the handle 8 is fixedly arranged at the lower side of the right end of the bottom plate 3; the traction assembly comprises a guide cylinder 19, a traction cross rod 20 and a traction vertical rod 21, a vertical through rotating square hole 22 is formed in the bottom plate 3 corresponding to the right part of the traction arm 4, the right end of the traction arm 4 is located below the clip applier body, the guide cylinder 19 is fixedly mounted on the lower side of the middle part of the bottom plate 3 corresponding to the right part of the traction arm 4, a left-right through guide hole is formed in the guide cylinder 19, the left end of the traction cross rod 20 is located on the left of the guide cylinder, the left end of the traction cross rod 20 is hinged with the right end of the traction arm 4, and the right end of the traction cross rod 20 is located on the right of the guide cylinder 19 and fixedly mounted on the upper end of the traction vertical rod 21. In the use process, the handle 8 is arranged, so that the operation of the traction assembly and the tightening assembly is facilitated; in addition, by this arrangement, the trailing arm 4 is rotated counterclockwise when the trailing rail 20 is moved rightward.
As shown in fig. 1, 2, 3, 4, 5 and 6, the tightening assembly comprises a tightening cross rod 9, a tightening vertical rod 10 and a tightening stop block 27, a tightening steel wire 11 is arranged on the right portion of a bottom plate 3, a translation square hole 12 which is vertically penetrated is arranged on the left portion of the translation square hole 12, the tightening cross rod 9 is arranged on the right end of the tightening cross rod 9 and the upper end of the tightening vertical rod 10 are fixedly installed together, the tightening stop block 27 is fixedly installed on the upper side of the tightening cross rod 9, the width of the tightening stop block 27 is larger than that of the translation square hole 12, and the tightening steel wire 11 is fixedly installed between the right side of the tightening block 6 and the left side of the tightening stop block 27. In the use process, through the arrangement, the hand-held handle 8 is used for buckling the tightening vertical rod 10, and the tightening block 6 moves rightwards under the action of the tightening steel wire 11, so that the ligation clip is tightened.
As shown in fig. 1, 2, 3, 4, 5 and 6, the tightening assembly further comprises a left baffle, a return spring 13 and a right baffle 14, wherein the left baffle is fixedly arranged between the left end of the front side plate 1 and the left end of the rear side plate 2, the right baffle 14 is fixedly arranged in the clamp applier body corresponding to the right part left Fang Weizhi of the traction arm 4, the return spring 13 positioned in the clamp applier is arranged on the outer side of the tightening wire 11 corresponding to the position between the tightening block 6 and the right baffle 14, and the right end of the return spring 13 is fixedly arranged on the left side of the right baffle 14. In the use process, through the arrangement, after the tightening vertical rod 10 is conveniently loosened, the tightening block 6 and the tightening cross rod 9 are reset under the action of the restoring force of the restoring spring 13.
As shown in fig. 1, 2, 3, 4, 5 and 6, the device further comprises a guide block 15, the upper side of the left part of the bottom plate 3 is provided with an I-shaped guide groove, the guide groove comprises an upper groove 16, a middle groove 17 and a lower groove 18 which are sequentially communicated from top to bottom, the lower ends of the tightening block 6 and the reset spring 13 are positioned in the upper groove 16, the guide block 15 is fixedly arranged on the lower side of the tightening block 6, the guide block 15 is in an inverted T shape, the upper part of the guide block 15 is positioned in the middle groove 17, and the lower part of the guide block 15 is positioned in the lower groove 18. In use, this arrangement enhances the stability of the tightening block 6 as it moves, thereby facilitating tightening of the ligating clip.
As shown in fig. 1, 2, 3, 4, 5 and 6, the mounting seat comprises a front upright post and a rear upright post 24, the fixed seat 29 is in a cuboid frame structure, the right side of the lock tongue 32 is fixedly mounted with the middle part of the left side of the right upper edge of the fixed seat 29, the lock tongue 32 is positioned behind the front upper edge of the fixed seat 29, and two vertical upward front upright posts are fixedly mounted at left and right intervals on the upper side of the front side plate 1 corresponding to the position between the lock tongue 32 and the front upper edge of the fixed seat 29; the lock tongue 32 is positioned in front of the rear upper edge of the fixed seat 29, and two vertical upward front upright posts are fixedly arranged at left and right intervals on the upper side of the rear side plate 2 corresponding to the position between the lock tongue 32 and the rear upper edge of the fixed seat 29. In use, by such arrangement, the mounting seat 29 is conveniently mounted with the mounting seat and does not interfere with tightening of the tie body 28 and removal of the tie clip from the mounting seat after tightening.
As shown in fig. 1, 2, 3, 4, 5 and 6, the inner side of the middle part of the ribbon body 28 is provided with a plurality of locking teeth 31 arranged in the same direction at intervals, the locking teeth 31 positioned at the lower part of the ribbon body 28 are main locking teeth 31, all the locking teeth 31 have the same structure as the main locking teeth 31, the main locking teeth 31 are in a quadrangular prism shape, the cross section of the main locking teeth 31 is in a right trapezoid shape, the right side surface of the main locking teeth 31 is an inclined surface, the lock tongue 32 is in a wedge shape, and the upper side surface and the lower side surface of the lock tongue 32 are inclined surfaces which incline in a left-low right-high shape. In the use process, the invention has better unidirectional tightening function by setting, and the problems of incomplete clamping, partial clamping, excessive tension after clamping, trip slipping and the like in the operation are avoided.
As shown in fig. 1, 2, 3, 4, 5 and 6, the traction arm further comprises a hinge shaft 26 and a hinge sleeve 25, wherein the hinge shaft 26 is fixedly arranged between the front side plate 1 and the rear side plate 2 corresponding to the right position of the right part of the traction arm 4, the hinge sleeve 25 is sleeved outside the hinge shaft 26, and the left side of the hinge sleeve 25 is fixedly arranged at the corresponding position of the right part of the traction arm 4. In use, this arrangement facilitates articulation of the trailing arm 4 with the clip applier body.
As shown in fig. 1, 2, 3, 4, 5 and 6, the left end of the upper portion of the band body 28 has an isosceles trapezoid shape with a narrow left side and a wide right side. During use, the upper left end of the tie body 28 is conveniently introduced into the lock cavity 33.
As shown in fig. 1, a blood vessel ligation method using the blood vessel ligation device comprises the following steps:
(1) Placing the vessel to be ligated inside the band body 28;
(2) The traction arm 4 is rotated anticlockwise by the traction assembly, and the traction lug 5 and the traction cap 30 at the upper part of the ribbon body 28 rotate along with the traction arm 4 to enter the lock cavity 33;
(3) The traction arm 4 introduces the traction cap 30 into the clip applier body, and the ribbon body 28 cannot be withdrawn from the lock cavity 33 under the cooperation of the locking teeth 31 and the lock tongue 32;
(4) The traction assembly enables the traction arm 4 to rotate and reset clockwise (as shown in fig. 2);
(5) By the tightening assembly moving the tightening block 6 to the right, the traction cap 30 moves to the right in the clamp body under the action of the tightening bump 7, tightening the tie body 28;
(6) And taking down the tightened ligature clamp from the mounting seat to finish ligature operation of the blood vessel to be ligatured.
The technical characteristics form the optimal embodiment of the invention, have stronger adaptability and optimal implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (9)
1. The blood vessel ligature device is characterized by comprising a clip applier body, a ligature clip, a mounting seat, a traction arm, a traction lug, a traction assembly, a tightening block, a tightening lug and a tightening assembly, wherein the clip applier body comprises a front side plate, a rear side plate and a bottom plate; the clamp applier body is internally hinged with a traction arm with the left end positioned above the ribbon body, the traction arm is in a minor arc shape, the lower side of the left end of the traction arm is provided with a traction lug with the lower end positioned in a traction cap, and the middle part of the clamp applier body is provided with a traction assembly capable of enabling the traction arm to rotate; a tightening block is arranged in the clamp applier body corresponding to the left position of the mounting seat, a tightening convex block is arranged on the right side of the tightening block, and a tightening assembly capable of enabling the tightening block to move rightwards is arranged on the right part of the clamp applier body; the traction assembly comprises a guide cylinder, a traction cross rod and a traction vertical rod, a rotating square hole which penetrates through the right part of the traction arm vertically is formed in a bottom plate corresponding to the right part of the traction arm, the right end of the traction arm is positioned below the clip applier body, the guide cylinder is fixedly arranged on the lower side of the middle part of the bottom plate corresponding to the right part of the traction arm, a left-right penetrating guide hole is formed in the guide cylinder, a traction cross rod with the left end positioned on the left side is arranged in the guide hole, the left end of the traction cross rod is hinged with the right end of the traction arm, the right end of the traction cross rod is positioned on the right side of the guide cylinder, and the right end of the traction cross rod is fixedly arranged with the upper end of the traction vertical rod; the tightening assembly comprises a tightening cross rod, a tightening vertical rod, a tightening stop block and a tightening steel wire, wherein a translation square hole which is penetrated up and down is formed in the right part of the bottom plate, the tightening cross rod is arranged at the left part of the translation square hole, the right end of the tightening cross rod is fixedly arranged with the upper end of the tightening vertical rod, the tightening stop block is fixedly arranged on the upper side of the tightening cross rod, the width of the tightening stop block is larger than that of the translation square hole, and the tightening steel wire is fixedly arranged between the right side of the tightening block and the left side of the tightening stop block; through setting up the lug that pulls, be convenient for pull the arm and introduce the clamp applier body with the ribbon body, through setting up tightening up the lug, be convenient for tighten up the piece right side and exercise the ribbon body and tighten up.
2. The blood vessel ligating apparatus according to claim 1, further comprising a handle fixedly mounted to the underside of the right end of the base plate.
3. The blood vessel ligature device according to claim 1 or 2, wherein the tightening assembly further comprises a left baffle, a return spring and a right baffle, the left baffle is fixedly arranged between the left end of the front side plate and the left end of the rear side plate, the right baffle is fixedly arranged in the clamp applicator body corresponding to the left Fang Weizhi of the right part of the traction arm, the return spring positioned in the clamp applicator is arranged outside the tightening wire corresponding to the position between the tightening block and the right baffle, and the right end of the return spring is fixedly arranged with the left side of the right baffle.
4. The blood vessel ligating apparatus according to claim 3, further comprising a guide block, wherein the guide groove is formed in the upper side of the left part of the base plate, the guide groove is I-shaped, the guide groove comprises an upper groove, a middle groove and a lower groove which are sequentially communicated from top to bottom, the lower ends of the tightening block and the return spring are both positioned in the upper groove, the guide block is fixedly arranged on the lower side of the tightening block, the guide block is inverted T-shaped, the upper part of the guide block is positioned in the middle groove, and the lower part of the guide block is positioned in the lower groove.
5. The blood vessel ligating device according to claim 1, 2 or 4, wherein the mounting base comprises a front upright post and a rear upright post, the fixing base is of a cuboid frame structure, the right side of the lock tongue is fixedly mounted with the middle part of the left side of the right upper edge of the fixing base, the lock tongue is positioned behind the front upper edge of the fixing base, and two vertical upward front upright posts are fixedly mounted at left and right intervals on the upper side of the front side plate corresponding to the position between the lock tongue and the front upper edge of the fixing base; the lock tongue is located the back upper edge place ahead of fixing base, and the interval is fixed mounting has two vertical ascending front posts about the posterior lateral plate upside of the position between the back upper edge of corresponding lock tongue and fixing base.
6. The blood vessel ligating device according to claim 3, wherein the mounting seat comprises a front upright post and a rear upright post, the fixing seat is of a cuboid frame structure, the right side of the lock tongue is fixedly mounted with the middle part of the left side of the right upper edge of the fixing seat, the lock tongue is positioned behind the front upper edge of the fixing seat, and two vertical upward front upright posts are fixedly mounted at left and right intervals on the upper side of the front side plate corresponding to the position between the lock tongue and the front upper edge of the fixing seat; the lock tongue is located the back upper edge place ahead of fixing base, and the interval is fixed mounting has two vertical ascending front posts about the posterior lateral plate upside of the position between the back upper edge of corresponding lock tongue and fixing base.
7. The blood vessel ligature device according to claim 1, 2, 4 or 6, wherein a plurality of locking teeth which are arranged in the same direction are arranged at intervals on the inner side of the middle part of the ligature body, the locking teeth positioned on the lower part of the ligature body are main locking teeth, all locking teeth have the same structure as the main locking teeth, the main locking teeth are in a quadrangular shape, the cross section of the main locking teeth is in a right trapezoid shape, the right side surface of the main locking teeth is an inclined surface, the lock tongue is in a wedge shape, and the upper side surface and the lower side surface of the lock tongue are inclined surfaces which incline in a left-low right-high shape; or/and the traction arm further comprises a hinge shaft and a hinge sleeve, wherein the hinge shaft is fixedly arranged between the front side plate and the rear side plate corresponding to the right side of the right part of the traction arm, the hinge sleeve is sleeved outside the hinge shaft, and the left side of the hinge sleeve is fixedly arranged with the right side of the right part of the traction arm; or/and the left end of the upper part of the ribbon body is isosceles trapezoid with narrow left and wide right.
8. The blood vessel ligature device according to claim 3, wherein a plurality of locking teeth which are arranged in the same direction are arranged at intervals on the inner side of the middle part of the ligature body, the locking teeth positioned on the lower part of the ligature body are main locking teeth, all the locking teeth have the same structure as the main locking teeth, the main locking teeth are in a quadrangular shape, the cross section of the main locking teeth is in a right trapezoid shape, the right side surface of the main locking teeth is an inclined surface, the lock tongue is in a wedge shape, and the upper side surface and the lower side surface of the lock tongue are inclined surfaces which incline in a left-low right-high shape; or/and the traction arm further comprises a hinge shaft and a hinge sleeve, wherein the hinge shaft is fixedly arranged between the front side plate and the rear side plate corresponding to the right side of the right part of the traction arm, the hinge sleeve is sleeved outside the hinge shaft, and the left side of the hinge sleeve is fixedly arranged with the right side of the right part of the traction arm; or/and the left end of the upper part of the ribbon body is isosceles trapezoid with narrow left and wide right.
9. The blood vessel ligature device according to claim 5, wherein a plurality of locking teeth which are arranged in the same direction are arranged at intervals on the inner side of the middle part of the ligature body, the locking teeth positioned on the lower part of the ligature body are main locking teeth, all the locking teeth have the same structure as the main locking teeth, the main locking teeth are in a quadrangular shape, the cross section of the main locking teeth is in a right trapezoid shape, the right side surface of the main locking teeth is an inclined surface, the lock tongue is in a wedge shape, and the upper side surface and the lower side surface of the lock tongue are inclined surfaces which are inclined in a left-low right-high shape; or/and the traction arm further comprises a hinge shaft and a hinge sleeve, wherein the hinge shaft is fixedly arranged between the front side plate and the rear side plate corresponding to the right side of the right part of the traction arm, the hinge sleeve is sleeved outside the hinge shaft, and the left side of the hinge sleeve is fixedly arranged with the right side of the right part of the traction arm; or/and the left end of the upper part of the ribbon body is isosceles trapezoid with narrow left and wide right.
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| CN202011225604.8A CN112168270B (en) | 2020-11-05 | 2020-11-05 | Blood vessel ligation device and blood vessel ligation method |
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| CN202011225604.8A CN112168270B (en) | 2020-11-05 | 2020-11-05 | Blood vessel ligation device and blood vessel ligation method |
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| CN112168270B true CN112168270B (en) | 2023-08-08 |
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| CN112168270A (en) | 2021-01-05 |
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