25 results about "Meniscal suture" patented technology

The application provides a meniscus suture system and a method for using the same, which comprises a puncture needle assembly, a depth adjusting part and a pushing assembly; the puncture needle assembly comprises a puncture needle and a puncture needle outer tube, an outer wall of the puncture needle outer tube is provided with a depth limiting protrusion; the depth adjusting part comprises a depth limiting sleeve and a depth limiting groove, the puncture needle is movably penetrated through the depth limiting sleeve, the depth limiting groove is arranged on an inner wall of a tail end of the depth limiting sleeve, and the depth limiting protrusion is clamped into the depth limiting groove to limit the penetration depth of the puncture needle; the pushing assembly comprises a push rod, the push rod moves in the puncture needle to push the implant out of the puncture needle. The application can quickly and accurately adjust the penetration depth of the puncture needle into the meniscus, effectively prevents the meniscus from being injured due to the too large penetration depth of the puncture needle, or causes the operation to fail due to the fact that the puncture needle does not reach the target position at all, and does not have the problems of inaccurate clamping and easy displacement.

The invention provides a manual lateral meniscus stitching instrument under an arthroscope, and relates to the technical field of meniscus stitching. The manual lateral meniscus stitching instrument under the arthroscope comprises a sleeve, a sleeve and a puncture needle, an achilles tendon line used for stitching a meniscus is arranged in the sleeve, the achilles tendon line penetrates into the puncture needle all the time and penetrates out of a round hole, 1 cm away from a tip, in the front end of the puncture needle, an adjusting mechanism is arranged in the front end of the sleeve, and the adjusting mechanism is connected with the sleeve. The adjusting mechanism drives the sleeve to adjust the angle; an extension mechanism is arranged in the sleeve, and the extension mechanism drives the puncture needle to extend in the length direction; the puncture needle is internally provided with a thread guiding mechanism for guiding out the achilles tendon thread. The meniscus is sutured from inside to outside under a mirror, the meniscus can easily penetrate out of the upper portion and the lower portion of the torn meniscus, the technical difficulty is lowered, influences of the physiological position and the operative position of the small head of the fibula are avoided, and the anterior angle and the body part of the outer side meniscus can be sutured to be torn.

The invention relates to the technical field of medical instruments, in particular to a meniscus suturing assembly and a method for manufacturing the meniscus suturing assembly. The meniscus sewing assembly comprises a first fixing assembly and a second fixing assembly, and the first fixing assembly comprises a first woven blank formed by weaving multiple strands of ultra-high molecular weight polyethylene yarn; the first fixing assembly further comprises a first sewing thread formed by weaving multiple strands of ultra-high molecular weight polyethylene yarn, the section, located at one end of the first sewing thread, of the first sewing thread is a first free section, and all the ultra-high molecular weight polyethylene yarn in the first free section penetrates through the multiple woven meshes of the first connecting section. Each ultra-high molecular weight polyethylene yarn in the first free section is connected with at least one ultra-high molecular weight polyethylene yarn of the first connecting section in a mutually woven mode. The technical problem that in the prior art, the connecting mode between the second fixing part and the suture needs to be improved is solved.

The application provides a meniscus suturing device for releasing an implant to suture a meniscus, which comprises a holding part, a hollow needle arranged at the proximal end of the holding part, a depth-limiting tube sleeved outside the hollow needle and movably arranged on the holding part, and a locking part, wherein the locking part comprises a first locking member arranged on the depth-limiting tube and a second locking member arranged in the holding part; when the first locking member is forced to be separated from the second locking member, the depth-limiting tube can move towards or away from the proximal end of the hollow needle in the axial direction of the hollow needle, so as to adjust the depth of the depth-limiting tube; the depth-limiting tube in the application can realize the function of adjustable depth, so that the depth of the depth-limiting tube can be adjusted and controlled through the adjusting action during the operation, the cumbersome step of trimming the depth-limiting tube is avoided, and the operation complexity is reduced.

The utility model provides a full-suture meniscus suture fixing assembly. The full-suture meniscus suture fixing assembly comprises a first fixing piece, a second fixing piece and a suture line. The first fixing piece is provided with two first threading holes which are formed in a spaced mode, and one sides of the two first threading holes are provided with containing grooves. Two threading holes II which are arranged at an interval are formed in the fixing piece II; a clamping piece is fixed at one end of the suture line; the suture line passes through one threading hole I, so that the clamping piece is clamped at the line inlet end of one threading hole I and is accommodated in the accommodating groove; the other end of the suture line sequentially penetrates through the other first threading hole and the two second threading holes to connect the first fixing piece and the second fixing piece together. The full-suture meniscus suture fixing assembly is safe and reliable, can prevent the suture line from falling off, and is high in firmness and stability.

The invention provides a design method of a bionic meniscus prosthesis on the inner side of a sheep knee joint. Compared with the prior art, the knee joint inner side bionic meniscus prosthesis designed and prepared through the method serves as a synthetic and non-absorbable full meniscus substitute, is implanted into a sheep knee joint in a free and non-fixed mode, and can treat severe meniscus injuries which cannot be repaired through meniscus resection or meniscus suture; and the defects related to the use of a meniscus allograft can be overcome, and the knee joint meniscus prosthesis can completely or partially replace the function of the original meniscus after implantation so as to recover the functional level of the knee joint.

The utility model belongs to the field of medical instruments, and particularly relates to a meniscus suturing tool. The device comprises a handle with a cavity and a needle tube, the upper end of the needle tube is installed at the bottom of the handle, a needle head is arranged in the lower end of the needle tube, the upper end of the needle head is in threaded fit with the inner wall of the needle tube, two bent and elastic cylindrical rods are arranged in the needle head, and a ductile blocking ring which is not connected end to end is arranged between the two cylindrical rods. A sliding block is arranged in a cavity of the handle, a pushing rod with one end fixed to the sliding block is arranged below the sliding block, the other end of the pushing rod is located in the needle head, a check block used for preventing the blocking ring from sliding out and not hindering the cylindrical rod from sliding out is fixed to a needle hole in the lower end of the needle head, and the diameter of the pushing rod is smaller than the inner diameter of the expanded blocking ring. A driving mechanism is mounted on the outer side of the handle. Two cylindrical rods can be independently implanted at a time through the blocking ring, the needle does not need to be taken out, the cylindrical rods do not need to be placed for the second time, and therefore the efficiency of meniscus suture is improved.

The embodiment of the utility model discloses a meniscus suturing device, which relates to the technical field of medical instruments and comprises a suturing hook and a thread passing rope basket, a through groove is formed in the first end of the wire passing cable basket, and a cable assembly is arranged on the through groove in a sliding mode and used for abutting against the through groove. When the first end of the thread passing rope basket and the first end of the suture hook form a preset included angle along the horizontal axis, the second end of the thread passing rope basket is connected with the second end of the suture hook in an embedded mode. When the meniscus suturing device is used for performing meniscus suturing operation, the purpose of improving the meniscus suturing efficiency of an existing suturing device mainly comprising a suturing hook is achieved.

The utility model relates to the field of medical instruments, in particular to a meniscus suture device which comprises a suture line, a fixing rod, an inserter rod and a push rod. The fixing rod is provided with a limiting channel for a suture line to penetrate through, the limiting channel and the surface of the fixing rod form a limiting hole, the inner hole diameter of the limiting hole along the long end of the fixing rod is defined as a first hole diameter, and the inner hole diameter of the limiting hole along the radial direction of the fixing rod is defined as a second hole diameter. The first aperture is configured to be greater than two times a diameter of the suture and the first aperture is configured to be less than four times the diameter of the suture, and wherein the restriction aperture is configured to be penetrated by two of the segments of the suture. Due to the fact that the angle of the included angle between the first section of suture line and the second section of suture line penetrating through the limiting hole is smaller than the angle of the included angle between the A section of suture line and the B section of suture line in the prior art, the cutting area of the first section of suture line and the second section of suture line on the meniscus is smaller, and secondary damage to the meniscus is smaller or can be neglected.

The meniscus stitching instrument comprises a driving main body and a depth limiting pipe, a pushing cavity is formed in the depth limiting pipe, a push-out rod is slidably connected into the pushing cavity, a control sliding block is slidably connected into the driving main body, and the end, close to the driving main body, of the push-out rod is fixed to the control sliding block; a control sliding seat is arranged on the control sliding block, a limiting cavity is formed in the control sliding seat, a limiting guide pin is rotationally connected into the driving body, a limiting pin is arranged at the end of the limiting guide pin and inserted into the limiting cavity, and the limiting cavity is composed of a first pushing groove, a first returning groove, a second pushing groove and a second returning groove which are formed in sequence. The limiting needle is used for pushing the push-out rod to slide out when sliding into the first push-in groove and the second push-in groove, and the limiting needle pushes the push-out rod to retract when sliding into the first return groove and the second return groove. The operation complexity of the driving mechanism and the puncture mechanism is reduced, appropriate feedback is provided for each puncture, and the convenience of meniscus suture is improved.

The invention relates to the technical field of medical instruments, in particular to a meniscus suture device from inside to outside, which comprises a limiting steel plate, a needle head, a suture line, a handle and an inlet sleeve, a guide groove is formed in one side of the limiting steel plate, an intercepting net is fixedly arranged on a port of the limiting steel plate, the inlet sleeve is arranged on the right side of the handle, and the needle head and the suture line are arranged in the guide groove. Needles are arranged in the cannula, suture lines are arranged on the needles, and a metal elastic piece is arranged on the outer wall of the tip end of each needle. Through the cooperation of the adjusting lead screw, the sliding plate and the stabilizing box, the distance between the two feeding sleeves is adjusted so as to meet the requirements of different meniscus wounds, and synchronous puncture work of the two feeding sleeves is also achieved.

1. Name of the product in this design: Meniscus Sealing Device. 2. Application of this design: This design is used for suturing, repairing, and fixing the meniscus in medical surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The meniscus suture guide needle comprises a puncture assembly and a locking mechanism, and the puncture assembly comprises a handle, an end cover and a puncture needle; wherein the end cover is installed at one end of the handle, the puncture needle is of a split type, and one end of the puncture needle is inserted into the end cover; the handle is moved to drive the puncture needle to penetrate through a meniscus crack, the push core suturing assembly is driven by the driving assembly to enable the line binding part to extend out of the puncture needle, so that a suture line is hung in the line binding part, then the push core suturing assembly is driven by the driving assembly to reset, and the hung suture line is collected in the puncture needle. Then the puncture needle is taken out of the meniscus, the suture line can be driven to penetrate through the meniscus crack, then an implant anchor is not needed, the suture line can be directly used for suturing the torn part of the meniscus, the safety of long-term suturing is improved, the threading mode is simplified, and the operation efficiency is improved.

The present invention relates to a meniscus suturing device, and a suture thread for the meniscus suturing device. One embodiment of the present invention provides the suture thread for a meniscus suturing device, the suture thread comprising: a suture thread body, which is flexible and is shaped to extend in the longitudinal direction; a plurality of fine protrusions protruding at preset intervals from the outer peripheral surface of the suture thread body; and a first fixing member provided at one end portion of the suture thread body, and formed integrally with the suture body, wherein the suture thread body, the fine protrusions and the first fixing member include a bioabsorbable material.

The invention discloses a double-push type meniscus suturing device and a using method thereof, and relates to the technical field of medical equipment. The double-push type meniscus suturing device comprises a puncture needle with a needle opening at one end; the inner core is movably arranged in the puncture needle, and the end, away from the needle opening, of the inner core is connected with the driving assembly through a push block so that the inner core can move towards the needle opening through the driving assembly; the middle push tube is movably arranged outside the inner core in a sleeving mode and located in the puncture needle, and a clamping piece is fixed to the end, away from the needle opening, of the middle push tube; a limiting piece is arranged on the inner wall of the handle shell, so that the clamping piece can move in one direction; the first fixing block and the second fixing block are arranged in the puncture needle. According to the double-push type meniscus suture device, the problem that in the prior art, due to the fact that the moving distance of the push needle is not enough or the second fixture does not enter the puncture needle, excitation of the fixture fails is solved, and therefore the success rate of excitation of the fixture is increased.

The utility model relates to the technical field of medical instruments, in particular to a meniscus suturing system which comprises a handle, a puncture needle, a depth limiting tube, a pushing rod, a pushing mechanism, a first implant, a second implant and a shearing mechanism, the shearing mechanism comprises a shearing rod arranged outside the pushing rod, communicated through holes are formed in the end and the side wall of the pushing rod, and the first implant and the second implant are arranged in the through holes. The end portion of the shearing rod is provided with a notch used for shearing a suture, the handle is provided with a shearing sliding groove, the tail portion of the shearing rod is provided with a shearing push plate penetrating through the shearing sliding groove, the pushing mechanism comprises a main sliding block connected with the pushing rod, the handle is provided with a main sliding groove, the main sliding block is connected with a main push plate penetrating through the main sliding groove, and the main push plate is connected with the main sliding groove. The utility model has the following beneficial effects: the shearing mechanism and the shearing rod are arranged, a suture can be directly cut off by using a suture system at the torn part of the sutured meniscus without replacing a knot pushing and thread cutting device, the operation steps are reduced, and time and labor are saved.

The utility model provides a meniscus suture system for multi-needle implantation, relates to the technical field of medical instruments, and solves the technical problem that the push-out length cannot be controlled in the prior art. The device comprises a handle, a limiting seat, a limiting core, a movable limiting assembly, a reset piece, a puncture tube and a pushing inner core, the pushing inner core is connected with the limiting core, and a first limiting part on the limiting seat and a third limiting part on the movable limiting assembly limit the limiting core and are used for limiting the limiting core to move towards the tail end in a one-way mode. The reset piece has force for driving the movable limiting assembly to move towards the limiting base, and the moving distance of the movable limiting assembly is the length of the implant. By the adoption of the structure, stepping excitation can be achieved, the length of one implant can be pushed out by pushing the movable limiting assembly every time, and a plurality of implants can be pushed out by pushing the movable limiting assembly repeatedly.

The invention provides a meniscus guiding suturing device, and belongs to the field of surgical instruments. The guider comprises a handle and a guide pipe fixed at the front end of the handle, and the tail end of the handle is provided with a channel communicated with the guide pipe; and the front end part of the guide needle is provided with a line carrying hole through which a suture line can pass, and the guide needle has the size that the line carrying hole can be exposed after passing through the channel and the guide tube at the same time. The device integrates the advantages of an existing stitching instrument, not only has the advantage of one-needle and one-thread stitching of a lumbar puncture needle and a bevel needle head, but also has the advantage of convenience in operation of instruments used by a Fast-Fix 360 meniscus stitching system and other total internal stitching technologies, and is low in price and capable of being reused after being disinfected.

1. Name of the product in this design: Meniscus Sealing Device. 2. Application of this design: This design is used for suturing, repairing, and fixing the meniscus in medical surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present invention relates to the technical field of medical devices, and particularly relates to an inside-out meniscus suture device, which includes a limiting steel plate, a needle, a suture, a handle and an insertion sleeve. A guiding groove is provided on one side of the limiting steel plate, and an intercepting net is fixedly arranged on the port of the limiting steel plate. An insertion sleeve is provided on the right side of the handle, a needle is arranged inside the insertion sleeve, a suture is arranged on the needle, and a metal elastic sheet is arranged on the outer wall of the tip of each needle. By adjusting the cooperation among the lead screw, the sliding plate and the stabilizing box, the distance between the two insertion sleeves is further adjusted to meet the needs of different meniscus wounds, and the synchronous puncture of the two insertion sleeves is also realized.

This invention relates to the field of medical surgical instruments and discloses an insertion auxiliary loop for meniscus suture surgery, comprising a support body and a locking body. The support body includes a first side and a second side, both of which are curved surfaces. The first side is close to the muscle tissue inside the body, and the second side is close to the lateral meniscus. The support body has clearance holes penetrating the first and second sides, allowing sutures to pass through. The locking body is detachably mounted on the support body and restricts the slippage of the sutures. This allows the insertion auxiliary loop to provide a firm anchor point for the sutures passing through the meniscus, avoiding the risks of loosening and slippage that may occur with traditional knotting methods, as well as the potential irritation of soft tissue by the knots. This solves the problem in the prior art where sutures easily cause impact, cutting, or other damage to the meniscus during suturing.

The utility model discloses a kind of meniscus suture devices, meniscus suture device includes support pole, operating part, first occlusion and second occlusion;Support pole is formed with first lead channel and second lead channel;First occlusion and second occlusion are arranged in one end of support pole, the inside of first occlusion is formed with third lead channel, and there is line outlet in first occlusion with third lead channel intercommunication;The inside of second occlusion is formed with fourth lead channel, and there is return line port in second occlusion with fourth lead channel intercommunication;First occlusion and second occlusion at least one with support pole movable connection, to be suitable for line outlet and return line port selectively approach or away from;Wherein first lead channel, third lead channel, fourth lead channel and second lead channel are sequentially interconnected to be suitable for suture line to pass through when first occlusion and second occlusion stop and resist.The meniscus suture device of the application can establish lead channel through the tissue to be sutured, so that suture operation can be simplified.

The utility model provides a meniscus suture system, and relates to the field of medical equipment. The meniscus suturing system comprises a puncture needle, the puncture needle is provided with a tip end used for puncturing a meniscus body, a thread clamping groove is formed in the peripheral face of the puncture needle, the thread clamping groove and the tip end are arranged at intervals, and the thread clamping groove is used for positioning a suture, so that the puncture needle can drive the suture to penetrate into the meniscus body or penetrate out of the meniscus body. The suture system is simple in structure, small in number of tools and low in operation difficulty, a knotting structure can be prefabricated before an operation, the knotting operation difficulty after the operation is reduced, the operation time is shortened, and the operation efficiency is improved.

The utility model provides a meniscus suture needle, which belongs to the technical field of suture needles, and comprises a needle body with a tubular structure, the needle body is provided with a needle tip, the side wall of the needle body is provided with a notch, and the notch penetrates through the needle body along the length direction of the needle body, so that a suture line can enter or exit from the needle body through the notch. According to the meniscus suture needle, due to the fact that the suture line can enter the needle body through the notch, the suture line does not need to penetrate through the needle body, and the problem that it is difficult to penetrate through the needle body through the suture line is solved.

The invention discloses a meniscus suturing device, and relates to the technical field of medical instruments. The meniscus suturing device comprises a handle shell, and a limiting piece is arranged on the inner wall of the handle shell; one end of the puncture needle is fixedly connected to the handle shell, and the other end of the puncture needle is provided with a needle opening; the driving assembly is arranged on the handle shell; the push block is arranged in the handle shell and connected with the driving assembly, and a clamping groove is formed in the push block; the rotary clamping block is arranged in the handle shell, the rotary clamping block comprises a first clamping column and a second clamping column, and a space for the rotary clamping block to rotate is formed in the handle shell; a first position and a second position are arranged in the space, and the rotary clamping block can rotate from the first position to the second position; one end of the inner core is fixedly connected with the push block; the other end of the inner core extends into the puncture needle and is provided with a limiting block. The second fixing block is prevented from being pulled to the outside of the puncture needle in the returning process of the device, and normal excitation can be achieved.