A kind of operation suture thread of anti-skidTechnical field
The present invention relates to a kind of operation suture thread, and in particular to a kind of operation suture thread of anti-skid.
Background technology
Traditional operation suture thread is non-absorbing line, using in such suture after surgery sewing process, caused by woundIt is larger, also need to be taken out stitches after wound healing, cause secondary insult, cause recovery time also longer；And suture is generalAll it is the line of whole piece, operation consent is needed to waste the plenty of time to try to make a match, and when needing to do continuous suture, the first pin often willSeveral knots are accomplished fluently after suture to prevent operation suture thread from phenomenon of trying to shirk responsibility occur.But because the space of wound site is limited, soThe mode of operation not only can additionally increase some numerous and diverse steps, can also extend operating time and anesthesia duration accordingly, causeMake the increase of patient risk's coefficient.
Do not knotted even to reduce to knot, shorten operating time, Application No. CN201120279072.6, Granted publicationNumber for CN202161363U utility model patent disclose it is a kind of subtract an operation suture thread suitable for double-ended needle, this subtracts a handArt suture, suitable for double end needle construction, the double-ended needle operation sewing needle is made up of needle body with the syringe needle for being distributed in needle body both ends.Subtract an operation suture thread from centre to hangnail of the both sides formed with symmetrical structure, in continuous suture due on operation suture threadHangnail so that the tissue passed through affords tension force, it is therefore prevented that the generation slip phenomenon of suture during continuous suture.But this handArt suture is not easy to produce, and because the material of operation suture thread is generally the material of flexible soft, only using only barb structureIt can not replace knotting completely.Therefore, operation suture thread is knotted in sewing process and easily produce, beThose skilled in the art's technical issues that need to address.
The content of the invention
Above-mentioned technical problem be present for prior art, the present invention provides one kind and can not needed in surgical suturing processThe operation suture thread for knotting and easily producing.
To achieve the above object, the present invention provides following technical scheme：
A kind of operation suture thread of anti-skid, including Part I and Part II, Part I and Part II are spaced apart,The cross-sectional width of the Part I of operation suture thread is uniform, and the cross-sectional width of Part II is bigger than the cross-sectional width of Part I,Part II is oval, the hole of strip is provided with elliptical internal middle position, the length in the hole is not less than ellipseMinor axis length, the width in the hole are not less than the cross-sectional width of Part I.
Preferably, hole is shaped as rectangle or ellipse.
Preferably, the section of Part I is circle.
Preferably, the operation suture thread includes degradable material so that need not be taken out stitches after surgery, mitigate patient's painIt is bitter.
Preferably, the degradable material in the operation suture thread is PGA.
Preferably, anti-inflammation hemostasia medicine is also included in the operation suture thread, in favor of wound healing.
In addition, the present invention also provides a kind of preparation method for preparing anti-slip operation suture thread, comprise the following steps：
Step（1）Melt spinning：The melt polymer material of operation suture thread will be prepared, be prepared using melt spinning methodHeavy denier yarn line；
Step（2）Heating：By step（1）Obtained heavy denier yarn line uniformly heats so that heavy denier yarn line becomes soft；
Step（3）Silk pressing：Heavy denier yarn line after heating is subjected to interruption extruding by pressurizing unit, pressurizing unit includes a pressurePower roller and a stress groove, uniform Disjunct distribution has multiple oval projections, the ellipse of projection vertically on pressure rollShort-axis direction it is consistent with the axial direction of pressure roll；The width of stress groove is not less than the minor axis length of the projection of ellipse,Heavy denier yarn line after heating at the uniform velocity passes through the centre position of stress groove, multiple oval projection interruptions of uniform Disjunct distributionExtrude heavy denier yarn line and cause the Part II that ellipse is evenly distributed with heavy denier yarn line；
Step（4）Punching：By perforating device, the middle position of the oval Part II on heavy denier yarn line is beatenHole, hole are strip；
Step（5）Cooling winding：By step（4）Obtained heavy denier yarn line carries out cooling winding, that is, obtains the operation seam of anti-skidZygonema.
Preferably, step（1）The section of obtained heavy denier yarn line is circle.
Preferably, step（4）In punching, hole is shaped as rectangle or ellipse.
Preferably, step（1）The middle high polymer material used is degradable material, it is highly preferred that degradable material is poly-Glycolide.
Preferably, in step（1）Anti-inflammation hemostasia medicine is also added into during melt spinning, in raw material.
In addition, the spacing distance of multiple oval projections of uniform Disjunct distribution can basis vertically on pressure rollIt is actually needed setting, the interval of such as suture needle.
Meanwhile present invention also offers a kind of sewing method of the operation suture thread of anti-skid, using the anti-of above-mentioned preparationThe operation suture thread tried to shirk responsibility sutures to wound, in one pin of every suture, due to having second of ellipse on suturePoint, the both ends of Part II are rounding off so that suture facilitates penetration of muscle under a stretching force, and due to secondThe cross-sectional width divided is bigger than the cross-sectional width of Part I so that is not easy to slip through the suture after muscle；Now, then will seamIn the elongate holes that the nearest Part II before muscle is passed through when pin crosses muscle surface and penetrates this pin of suture,Further prevent operation suture thread from slipping therefrom, in this way, the suture of next pin is carried out again, until during last pin, then finallyKnot.Thus, a pin need not be often sutured in whole sewing process just to knot, so as to reduce suture time.
Beneficial effect
Compared with prior art, the present invention has the advantages that：The operation suture thread of a kind of anti-skid of the present invention, in handIt need not knot in art sewing process and easily produce, can successfully pass through muscle, and be not easy to try to shirk responsibility, sutureWhen, utilize the hole of the strip of the Part II in operation suture thread, moreover it is possible to successfully lock each pin, it is not easy to try to shirk responsibility, saveThe knotting time about during suture needle, sewing process can be more quickly completed, mitigates the pain of patient.Meanwhile use can dropMaterial production operation suture thread is solved, can avoid taking out stitches, further mitigate the pain of patient.And add and disappear in operation suture threadScorching hemostatic, be advantageous to the quick of wound and be cured.
Brief description of the drawings
Fig. 1 is the schematic diagram of the operation suture thread of anti-skid produced by the present invention.
Reference：1- Part I；2- Part II；3- holes.
Embodiment
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
A kind of operation suture thread of anti-skid, including Part I 1 and Part II 2, Part I 1 and Part II 2It is spaced apart, the cross-sectional width of the Part I 1 of operation suture thread is uniform, and the cross-sectional width of Part II 2 is than Part I 1Cross-sectional width is big, and Part II 2 is oval, and the hole 3 of strip, the length in the hole 3 are provided with elliptical internal middle positionNot less than the minor axis length of ellipse, the width in the hole 3 is not less than the cross-sectional width of Part I 1.Hole 3 be shaped as rectangle orEllipse.The section of Part I 1 is circle.The operation suture thread includes degradable material so that need not carry out after surgeryTake out stitches, mitigate patient suffering.Degradable material in the operation suture thread is PGA.Also include disappearing in the operation suture threadScorching hemostatic, in favor of wound healing.
In addition, the present invention also provides a kind of preparation method for preparing anti-slip operation suture thread, comprise the following steps：
Step（1）Melt spinning：The melt polymer material of operation suture thread will be prepared, be prepared using melt spinning methodHeavy denier yarn line；
Step（2）Heating：By step（1）Obtained heavy denier yarn line uniformly heats so that heavy denier yarn line becomes soft；
Step（3）Silk pressing：Heavy denier yarn line after heating is subjected to interruption extruding by pressurizing unit, pressurizing unit includes a pressurePower roller and a stress groove, uniform Disjunct distribution has multiple oval projections, the ellipse of projection vertically on pressure rollShort-axis direction it is consistent with the axial direction of pressure roll；The width of stress groove is not less than the minor axis length of the projection of ellipse,Heavy denier yarn line after heating at the uniform velocity passes through the centre position of stress groove, multiple oval projection interruptions of uniform Disjunct distributionExtrude heavy denier yarn line and cause the Part II 2 that ellipse is evenly distributed with heavy denier yarn line；
Step（4）Punching：By perforating device, the middle position of the oval Part II 2 on heavy denier yarn line is beatenHole, hole 3 are strip；
Step（5）Cooling winding：By step（4）Obtained heavy denier yarn line carries out cooling winding, that is, obtains the operation seam of anti-skidZygonema.
Preferably, step（1）The section of obtained heavy denier yarn line is circle.
Preferably, step（4）In punching, hole 3 is shaped as rectangle or ellipse.
Preferably, step（1）The middle high polymer material used is degradable material, it is highly preferred that degradable material is poly-Glycolide.
Preferably, in step（1）Anti-inflammation hemostasia medicine is also added into during melt spinning, in raw material.
In addition, the spacing distance of multiple oval projections of uniform Disjunct distribution can basis vertically on pressure rollIt can be set according to being actually needed, the interval of such as suture needle.
Meanwhile present invention also offers a kind of sewing method of the operation suture thread of anti-skid, using the anti-of above-mentioned preparationThe operation suture thread tried to shirk responsibility sutures to wound, in one pin of every suture, due to having second of ellipse on sutureDividing 2, the both ends of Part II 2 are rounding off so that suture facilitates penetration of muscle under a stretching force, and due to secondThe cross-sectional width of part 2 is bigger than the cross-sectional width of Part I 1 so that is not easy to slip through the suture after muscle；Now, thenThe strip of the nearest Part II 2 before muscle is passed through when suture needle being crossed into muscle surface and penetrating this pin of sutureKong Zhong, further prevent operation suture thread from slipping therefrom, in this way, the suture of next pin is carried out again, until during last pin, thenFinally knot.Thus, a pin need not be often sutured in whole sewing process just to knot, so as to reduce suture time.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protectedThe limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art shouldWork as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present inventionMatter and scope.