15 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 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 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.

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.

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.

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 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.