A kind of holdfast sewing systemTechnical field
This utility model relates to the holdfast sewing system that a kind of surgery stitching operation is used.
Background technology
Along with the continuous progress of science and technology, medical instruments field has also obtained developing rapidly, and simultaneously, people have also had high requirement to the operability of medical apparatus and instruments.In surgical operation, one of the most basic operation during the suture operation at various positions.The holdfast sewing system is mainly by holdfast, and three parts of holdfast handle and stitching thread form, and the holdfast sewing system can effectively be repaired the damage of multiple joint part, perform the operation simple and convenient, sew up firmly solidly, post-operative recovery speed is fast, can make patient's fast quick-recovery orthobiosis in a short time.Sutural holdfast is put in handle one end assembling, and the other end is controlled for the doctor.So main points easy to use, sturdy and durable, that good looking appearance is exactly handle design.And, in the design of holdfast, important is a bit to increase to greatest extent holdfast in in-house maintenance intensity, so that the risk that Jiangdu holdfast ruptures or extracts from tissue to greatest extent when the stitching thread connected is strained with respect to holdfast.A lot of ways are to increase the holdfast size for this reason, but the holdfast operation is arthroscopic surgery, and the holdfast size adds conference and causes increasing the destruction to spongy bone.
The utility model content
The purpose of this utility model is to provide a kind of easy to use, holdfast sewing system that operation stitching is effective.
The technical scheme that realizes this utility model purpose is a kind of holdfast sewing system, comprises holdfast, stitching thread and hands handle; Described holdfast is vertically arranged with at least one through wires hole; Described stitching thread is arranged on described through wires hole; Described stitching thread adopts the fibrage of multiply Ultra High Molecular Weight Polyethylene Composites to form; Described handle comprises handle, is fixed on the metal club head of handle front end and the handle through wires hole that connects handle and metal club head; Described handle is the round and smooth large shape that progressively becomes from the front end to the afterbody; Described holdfast coordinates with the metal club head of described handle.
Holdfast has two kinds, and a kind of holdfast is two through wires hole holdfasts.Described holdfast comprises the holdfast body, vertically is arranged at two through wires holes on the holdfast body and is axially set in the intrinsic handle hole of holdfast; The outer peripheral face of described holdfast body is abound with screw thread, and the holdfast body is comprised of ailhead and nail tail; Described handle hole is communicated with the through wires hole near the nail tail.Described holdfast body is non-metallic material; The footpath, the end of the screw thread on described ailhead becomes large gradually towards nail tail direction; Perhaps described holdfast body is metal material, and the tapering of the external diameter of the screw thread on ailhead is greater than the tapering of the core diameter of thread, and the thread form thickness of the screw thread on ailhead is 0.20mm~0.46mm.Be provided with two grooves that connect two through wires holes on the holdfast body; The equal rounding in junction, aperture of two grooves and two through wires holes.
Another kind of holdfast is single through wires hole holdfast.Described holdfast comprises that outer peripheral face is abound with ailhead and the threadless nail tail of screw thread; The overall diameter of described nail tail is less than the overall diameter of ailhead afterbody; Be vertically arranged with a through wires hole on described nail tail, inner shaft is to being provided with handle hole.Described ailhead and nail tail are non-metallic material; The footpath, the end of the screw thread on described ailhead becomes large gradually towards nail tail direction; Perhaps described ailhead and nail tail are metal material, and the tapering of the external diameter of the screw thread on ailhead is greater than the tapering of the core diameter of thread, and the thread form thickness of the screw thread on ailhead is 0.20mm~0.60mm.On described nail tail with the equal rounding in junction, aperture of two faces of through wires hole.
The top of the handle of described handle is provided with the groove of using for being wound around stitching thread; Be provided with three non slip surfaces on described handle; The equal rounding smooth transition in the junction of the groove on described handle and handle and one of them non slip surface.Described handle also comprises the cork coordinated with the handle through wires hole of handle afterbody.
Place, the aperture rounding of the handle through wires hole of described handle afterbody.
Adopted technique scheme, the utlity model has following beneficial effect: the design that round and smooth change is large from the front end to the afterbody of (1) handle of the present utility model has fully demonstrated the theory of ergonomics, size is moderate, and arc transition in addition, also be provided with three non slip surfaces simultaneously, make user hand-held comfortable, by lighter strength, hold rotatable handle, handle not there will be skidding yet; Holdfast provides two through wires holes and two kinds of structures that fine hold is all arranged of single through wires hole, makes holdfast sewing system structure of the present utility model practicality, practical and convenient, good operation effect.
(2) holdfast of of the present utility model pair of through wires hole is the full thread holdfast, with respect at present on the market common non-full thread holdfast have better hold, there is better medical performance structure.Provide metal material and non-metallic material two kinds of full thread holdfasts simultaneously, for metal material, the major diameter of thread of ailhead steep-taper and the core diameter of thread of Small Taper provide better self tapping performance for holdfast, can shoot like a cork skeleton, it is minimum that the structure of form of thread thin thickness makes holdfast drop to the damage of skeleton when shooting, thereby strengthened the hold of holdfast.For non-metallic material, footpath, end ailhead becomes large structure backward gradually, makes holdfast have better hold in skeleton.This utility model arranges the groove that connects two through wires hole apertures at two through wires hole places in addition, forms smooth rounding, can make stitching thread arbitrarily pull in nail, and does not worry that stitching thread is subject to the cutting wearing and tearing of corner angle.
(3) single through wires hole holdfast of the present utility model is non-full thread structure, and the nail tail arranges a through wires hole, and the selection of more suture angles is provided in operation for the doctor, has better medical performance structure.The external diameter of nail tail is less than the overall diameter of ailhead afterbody, and such structure makes holdfast of the present utility model have better hold.Simultaneously, this utility model provides metal material and two kinds of full thread holdfasts of non-metallic material, for metal material, the major diameter of thread of ailhead steep-taper and the core diameter of thread of Small Taper provide better self tapping performance for holdfast, can shoot like a cork skeleton, it is minimum that the structure of form of thread thin thickness makes holdfast drop to the damage of skeleton when shooting, thereby strengthened the hold of holdfast.For non-metallic material, footpath, end ailhead becomes large structure backward gradually, makes holdfast have better hold in skeleton.In addition, in the aperture of through wires hole, place arranges rounding, has guaranteed the smooth and easy slip of stitching thread in hole, does not all worry that stitching thread is subject to following closely the restriction of pore structure and is subject to the cutting wearing and tearing of corner angle under arbitrarily angled.
(4) fluted on handle of the present utility model, groove and one of them non slip surface cooperatively interact, can be by stitching thread on non slip surface, and while preventing from using, stitching thread is at random, in groove, the shape rounding is smooth, and stitching thread can not be subject to cutting or the wearing and tearing of the shapes such as corner angle in this structure.。The handle afterbody is plugged with cork, can after stitching thread tightens up, fix, and makes holdfast and handle closely be assembled together, and in operation, makes implantation process more convenient.Rouno Cormer Pregrinding Wheel is fallen in the threading aperture, pushes down the stitching thread of tightening with cork, and with respect to other holdfast handles, the cork card wire structure stitching thread that can adequately protect altogether is not subject to hard thing extruding and causes pressurization place intensity decreases, and very outstanding fixed effect also is provided simultaneously.The cross sectional shape of handle through wires hole can have multiple, after therefore can assembling the holdfast and stitching thread of different size and kind at the head of metal club head, just can like a cork holdfast be implanted to inside bone.
(5) stitching thread of the present utility model adopts the fibrage of multiply Ultra High Molecular Weight Polyethylene Composites to form.Superhigh molecular weight polyethylene fibers is the new medical implant material, has high-orientation, high-crystallinity, and tensile strength is high, and modulus is high, and shock resistance is corrosion-resistant, fast light photograph, the advantage such as wear-resistant.With the Ultra High Molecular Weight Polyethylene Composites fiber, knit out be sewn on operation on joint after can allow patient's short-term can recover rapidly normal life, for the patient provides higher quality of life and the experience of more feeling at ease.
The accompanying drawing explanation
For content of the present utility model more easily is expressly understood, below according to specific embodiment also by reference to the accompanying drawings, this utility model is described in further detail, wherein
Fig. 1 is structural representation of the present utility model.
The structural representation of two through wires hole holdfasts that Fig. 2 is non-metallic material of the present utility model.
The structural representation of two through wires hole holdfasts that Fig. 3 is metal material of the present utility model.
The structural representation of single through wires hole holdfast that Fig. 4 is non-metallic material of the present utility model.
The structural representation of single through wires hole holdfast that Fig. 5 is metal material of the present utility model.
Fig. 6 is handle arrangement schematic diagram of the present utility model.
The fit structure schematic diagram that Fig. 7 is handle of the present utility model and cork.
Label in accompanying drawing is:
Holdfast 1, throughwires hole 11,ailhead 12,nail tail 13,groove 14,stitching thread 2,handle 3, handle 31,metal club head 32, handle throughwires hole 33,cork 34.
The specific embodiment
(embodiment 1)
See Fig. 1 to Fig. 7, a kind of holdfast sewing system of the present embodiment, comprise holdfast 1,stitching thread 2 and handle 3.Holdfast 1 is vertically arranged with at least one throughwires hole 11;Stitching thread 2 is arranged on throughwires hole 11;Handle 3 compriseshandle 31, is fixed on themetal club head 32 ofhandle 31 front ends and the handle throughwires hole 33 that connectshandle 31 andmetal club head 32;Handle 31 is the round and smooth large shape that progressively becomes from the front end to the afterbody; The handle hole of holdfast 1 coordinates with themetal club head 32 ofhandle 3.
Holdfast divides non-metallic material holdfast and metal material holdfast is arranged by material, and the present embodiment divides and be divided into two through wires hole holdfasts and single through wires hole holdfast by the quantity of its through wires hole.
As shown in Figures 2 and 3, be two through wireshole holdfasts.Holdfast 1 comprises the holdfast body, vertically is arranged at two throughwires holes 11 on the holdfast body and is axially set in the intrinsic handle hole of holdfast; The outer peripheral face of holdfast body is abound with screw thread, and the holdfast body is comprised ofailhead 12 andnail tail 13; Handle hole is communicated with the throughwires hole 11 near nail tail 13.In Fig. 2, the holdfast body is non-metallic material; The footpath, the end of the screw thread onailhead 12 becomes large gradually towardsnail tail 13 directions.In Fig. 3, the holdfast body is metal material, and the tapering of the external diameter of the screw thread onailhead 12 is greater than the tapering of the core diameter of thread, and the thread form thickness of the screw thread onailhead 2 is 0.20mm~0.46mm.No matter which kind of material for obtaining the effect to stitching thread zero wearing and tearing, is provided with twogrooves 14 that connect two throughwires holes 11 on the holdfast body; The equal rounding in junction, aperture of twogrooves 14 and two throughwires holes 11.
As shown in Figure 4 and Figure 5, be single through wires holeholdfast.Holdfast 1 comprises that outer peripheral face is abound withailhead 12 and thethreadless nail tail 13 of screw thread; The overall diameter ofnail tail 13 is less than the overall diameter ofailhead 12 afterbodys; Be vertically arranged with athrough wires hole 11 onnail tail 13, the cross section ofnail tail 13 is hexagon.In Fig. 4,ailhead 12 andnail tail 13 are non-metallic material; The footpath, the end of the screw thread onailhead 12 becomes large gradually towardsnail tail 13 directions.In Fig. 5,ailhead 12 andnail tail 13 are metal material, and the tapering of the external diameter of the screw thread onailhead 12 is greater than the tapering of the core diameter of thread, and the thread form thickness of the screw thread onailhead 12 is 0.20mm~0.60mm.Equally, which kind of material no matter, for obtaining the effect to stitching thread zero wearing and tearing, onnail tail 13 with the equal rounding in junction, aperture of two faces of throughwires hole 11.
See Fig. 6 and Fig. 7, the top of thehandle 31 ofhandle 3 is provided with three non slip surface 31-2, and one of them non slip surface 31-2 place also is provided with groove 31-1 simultaneously; The equal rounding smooth transition in junction of groove 31-1 onhandle 31 and handle 31 and corresponding non slip surface 31-2.Handle 3 also comprises thecork 34 coordinated with the handle throughwires hole 33 ofhandle 31 afterbodys.Place, the aperture rounding of the handle throughwires hole 33 ofhandle 31 afterbodys.
In use, for two through wires hole holdfasts, by its handle hole, with themetal club head 32 ofhandle 3, coordinated.For single through wires hole holdfast, by itsnail tail 13, screwed in the handle throughwires hole 33 ofmetal club head 32.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to this utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.