Background technology
Veress needle is for judging that inserting needle position is the most correct and is filled with carbon dioxide in laparoscopic surgeryForm the operating theater instruments of pneumoperitoneum.Laparoscopic surgery is exactly the hands utilizing peritoneoscope and related equipment thereof to carry outArt, is the invasive methods that gets up of a new development, and laparoscopic surgery, compared with traditional operation, has woundLittle, recover the feature such as fast, cicatrix is little, Minimally Invasive Surgery is the general trend of surgery development and pursues a goal.OneAs say, major part general surgery operation, laparoscopic surgery can complete.At present, treatment children'sAlso it is to use laparoscopic surgery during inguinal hernia, is carrying out pediatric laparoscopic inguinal hernia high ligation of hernial sacDuring operation, need to use veress needle and hernia needle simultaneously.
At present, Chinese patent discloses a kind of multi-functional veress needle, application number 201520621420.1,It includes that outer pin, inner core, sleeve pipe, outer needle adapter and inner core joint, described outer pin and inner core are hollowStructure；One end of described outer pin is fixed on outer needle adapter, and the other end is beveled point；Described inner coreOne end is fixed on inner core joint, and the other end is obtuse body, and the side of described obtuse body is provided with oblique lackingMouthful；Described sleeve pipe includes air inlet, rotary valve and spring cavity, and described spring cavity is built with spring；DescribedInner core joint is contained in the spring cavity of described sleeve pipe, and the end face of described inner core joint coordinates with spring contact,Described outer needle adapter and outer needle guard are on inner core, and described outer needle adapter is connected with the tube wall of described sleeve pipe,Described outer needle adapter can rotate relative to sleeve pipe, thus drives outer pin to rotate relative to inner core,The length of described inner core is more than the length of outer pin.Can not only be used for veress needle to use, can make as hernia needle againWith, but its shortcoming has: one, material therefor is plastics, for disposable product, adds medical treatment cost and props upGo out；Two, structure is fixed, and especially spring position is fixed, it is impossible to make full use of the mechanics feature of spring；Three, it is the purpose reaching to hide hook-shaped breach by rotating outer needle adapter when using as hernia needle,And the elastic force of non-used spring make inner core stretch reach the hook-shaped breach of inner core expose, band wire rotational stabilizationSlightly worse, and silk thread may be caused cutting by rotary course, affect the quality of silk thread.
Summary of the invention
Present invention is primarily targeted at the deficiency overcoming above-mentioned technology, and a kind of Multifunctional hernia pin be provided,It is easy to dismounting, it is possible to hernical sac is carried out high ligation.
The present invention for achieving the above object, by the following technical solutions: a kind of Multifunctional hernia pin, including outsidePin, inner core and valve, described outer pin and inner core are hollow structure, it is characterised in that also include inner coreFixed screw, spring, sleeve pipe and dual-cavity spring fixed screw before spring, the end of described outer pin withSpring cavity, described inner core is placed in described outer pin, and the front end of inner core is the obtuse body in arc protection face, describedOn inner core, the side near described obtuse body end is provided with round matrix dead slot, and the end of described inner core is fixed with springOuter baffle, the end of described inner core is threadeded with described valve；Fixed screw screw thread before described inner core springBeing fixed on the middle part of described inner core and be positioned in described spring cavity, described dual-cavity spring fixed screw screw thread is evenBeing connected on the end of described outer pin, the inwall length direction of described dual-cavity spring fixed screw is correspondingly provided with recessedGroove, described groove coordinates with the dentation locating piece being arranged on described inner core postmedian；Described dual-cavity spring is solidThe outside determining screw is provided with sign point, and described spring is arranged on fixed screw and dual-cavity before described inner core springBetween spring fixed screw or between dual-cavity spring fixed screw and spring outer baffle, when spring is arranged on instituteWhen stating before inner core spring between fixed screw and dual-cavity spring fixed screw, use as veress needle.
Preferably, when described spring is arranged between dual-cavity spring fixed screw and spring outer baffle, instituteStating sleeve pipe and be arranged on before described inner core spring between fixed screw and dual-cavity spring fixed screw, this device is madeUse for hernia needle and abdomen wall sewing device.
Preferably, fixed screw before described outer pin, inner core, valve, inner core spring, spring, sleeve pipe andDual-cavity spring fixed screw all uses stainless steel material.Above-mentioned parts can be reused by sterilization, it is possible toReduce cost, during sterilization, the outer pin of band spring cavity is unscrewed taking-up from dual-cavity spring fixed screw, otherParts can dismantle the cleaning that together carries out disinfection.
Preferably, with external screw thread on the valve body of described valve, the end of described inner core is with female thread, instituteState female thread to coordinate with external screw thread.
Preferably, the described point that indicates is positioned at the underface of described groove.When dentation locating piece is at dual-cavity springWhen the groove on fixed screw top is slidably matched, indicate the some bottom at dual-cavity spring fixed screw, thisTime this device use as veress needle；On the contrary, when dentation locating piece is slidably matched at the groove with bottom,Sign point is also in the bottom at dual-cavity spring fixed screw, and now this device stitches as hernia needle and stomach wallClutch uses.
Preferably, before and after before described inner core spring, fixed screw is on described inner core, position is adjustable.By controlPosition before and after fixed screw before inner core spring processed, it is therefore an objective to control the round matrix dead slot on inner core and outer pinThe relative position of syringe needle.
Beneficial effects of the present invention: the different assembly models that Multifunctional hernia pin is built by hernia needle are flexibleCombination, has merged several functions, can reach following functions: (1) childhood inguinal hernia air tube function: infantile herniaBand wire and the function of hanging wire during high ligation of hernial sac；(2) auxiliary separation function: between around the free hernical sac of auxiliaryThe function of gap, sets up extraperitoneal space by heart water filling or carbon dioxide in adult or childhood inguinal hernia perform the operationThe effect in (Bogros gap), reduces the effect of Accessory injury；(3) exempt to damage veress needle function: pass through herniaThe assembling pattern conversion that air tube builds, becomes the veress needle exempting from damage；(4) abdomen wall sewing device function: be used forThe function that during other ventral hernia repair, band wire is fixing with hanging wire；(5) component dismounting is simple, puts and just sterilizes and fullAssembly model needed for foot difference in functionality.
The Multifunctional hernia pin of the present invention, outer needle spring chamber screws rear detent projection and fixes spiral shell with dual-cavity springThe sign of silk is just to when opposing, the function of its pin can change；Spring riding position is flexible, according to functionDifferent and riding position is different, make use of the automatic telescopic perfect adaptation of spring mechanical feature and inner core, reachA kind of apparatus solves the function of various problems；I.e. can be used for band wire and hanging wire in all kinds of hernia operations and fix use,Can use as when exempting from and damage veress needle for setting up pneumoperitoneum again, it is also possible to auxiliary separates collar extension group in hernical sacKnit, reduce the damage to deferent duct around hernical sac Yu spermatic cord blood vessel, possess good application prospect.
Detailed description of the invention
Below in conjunction with the accompanying drawings and preferred embodiment describe in detail the present invention detailed description of the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ","front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. refer toThe orientation shown or position relationship, for based on orientation shown in the drawings or position relationship, are for only for ease of description originallyInvention and simplifying describes rather than instruction or the hint device of indication or element must have specific orientation,With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
As shown in Fig. 1, Fig. 3, Fig. 4, a kind of Multifunctional hernia pin, including outer pin 1, inner core 2 and valveDoor 3, described outer pin and inner core are hollow structure, also include fixed screw 4 before inner core spring, spring 5,Sleeve pipe 6 and dual-cavity spring fixed screw 7, the end of described outer pin is with spring cavity 8, described inner coreBeing placed in described outer pin, the front end of inner core is the obtuse body 9 in arc protection face, and the side of described obtuse body setsHaving round matrix hole slot 10, the end of described inner core is fixed with spring outer baffle 11, the end of described inner core withDescribed valve is threaded；Before described inner core spring, fixed screw is threadedly secured in middle part the position of described inner coreIn described spring cavity, described dual-cavity spring fixed screw is threaded in the end of described outer pin, describedThe inwall length direction of dual-cavity spring fixed screw is correspondingly provided with groove 12, described groove be arranged on describedThe dentation locating piece 13 of inner core postmedian coordinates；The outside of described dual-cavity spring fixed screw is provided with signPoint 14, the described point that indicates is positioned at the underface of described groove.When dentation locating piece fixes spiral shell at dual-cavity springWhen the groove on silk top is slidably matched, indicate the some bottom at dual-cavity spring fixed screw, now this dressPut and use as veress needle；On the contrary, when dentation locating piece is slidably matched at the groove with bottom, indicate pointAlso in the bottom at dual-cavity spring fixed screw, now this device makes as hernia needle and abdomen wall sewing deviceWith.
Described spring is arranged on before described inner core spring between fixed screw and dual-cavity spring fixed screw or doubleBetween groove spring fixed screw and spring outer baffle.The different installation site of spring determines different meritsCan, when before spring is arranged on described inner core spring between fixed screw and dual-cavity spring fixed screw, makeUse for veress needle.
When described spring is arranged between dual-cavity spring fixed screw and spring outer baffle, described sleeve pipe is pacifiedBeing contained in before described inner core spring between fixed screw and dual-cavity spring fixed screw, this device is as hernia needleAnd abdomen wall sewing device uses.
In the present invention, in order to reduce the cost of seeking medical advice of patient, described outer pin, inner core, valve, inner core bulletBefore spring, fixed screw, spring, sleeve pipe and dual-cavity spring fixed screw all use stainless steel material.Above-mentionedParts can be reused by sterilization, it is possible to reduces cost, by the outer pin of band spring cavity from dual-cavity during sterilizationUnscrewing taking-up on spring fixed screw, miscellaneous part can dismantle the cleaning that together carries out disinfection.
Before and after before described inner core spring, fixed screw is on described inner core, position is adjustable.By controlling inner core bulletPosition before and after fixed screw before spring, it is therefore an objective to control the phase of the round matrix dead slot on inner core and the syringe needle of outer pinTo position.
When veress needle uses, mounting means is: sequentially by dual-cavity spring fixed screw, spring,Before inner core spring, fixed screw is inserted on the spring lever of complete system inner core, and is revolved by fixed screw before inner core springFastening, the sign point on dual-cavity spring fixed screw is the most right with the dentation locating piece on hollow type inner coreAfter position is inserted in groove, the inner core assembled is inserted on the outer pin of hollow belt spring cavity, and by dual-cavity bulletSpring fixed screw is tightened on outer pin, and a whole set of veress needle is completed.
When veress needle contact skin histology, the arc passivity face contact skin histology of inner core, will not stabSkin histology, shields, and when continuing firmly, inner core gradually bounces back in outer pin, the needle point of outer pinStart to contact with skin histology, more firmly after progressively can enter abdominal cavity, these hour hands after all layers of pierce skin histologyPoint leaves abdominal wall tissue moment the sense that falls through, and the arc passivity face moment under spring force of inner core is voluntarilyEject, prevent sharp property needle pricks intraperitoneal tissue and the organ of outer pin, play the effect exempting from damage, openValve, injecting carbon dioxide, gas arrives abdominal cavity through hollow inner core and sidewall circle matrix hole slot, sets up gasAbdomen.Taken when pneumoperitoneum pressure arrives operation, by veress needle inner core under conditions of keeping the outer pin of veress needle fixingRollback 1cm the most backward, makes the round matrix hole slot on inner core be retracted in outer nook closing member, then veress needle entirety is pulled outGo out, prevent the round matrix hole slot of inner core to be suspended to tissue, play the effect of protective tissue.
There is during as veress needle auxiliary and set up the effect (assembly model now in properitoneal hernia capsule cervical region gapAssemble with the pattern of veress needle)
Some patients is fine and close in hernical sac neck tissue, and hernia needle punctures the blood vessel that may damage in spermatic cord by forceAnd deferent duct, it is possible to use the feature of this pin core hollow, connect a dress in inner core afterbody gas injection/water filling portion rawThe syringe of reason saline, when puncturing arrival preperitoneal space hernical sac position, injects physiology salt by syringeWater, after strutting hernical sac and the direct gap of spermatic cord, then completes the hernia needle operation around hernical sac cervical region, playsThe effect of the protection important organ such as spermatic cord blood vessel and deferent duct.
Sequentially by spring, dual-cavity spring fixed screw, sleeve pipe, inner core spring when using as hernia needleFront fixed screw is inserted in complete system on the spring lever of core needle, and is screwed by fixed screw before inner core spring solidFixed, the sign point on dual-cavity spring fixed screw is with the dentation locating piece forward para-position set on hollow type inner coreAfter entering in groove, the inner core assembled is inserted on the outer pin of hollow belt spring cavity, and dual-cavity spring is solidDetermining screw means to be fixed on outer pin, a whole set of hernia needle/abdomen wall sewing device is completed.
When hernia needle uses, firmly can be by the sidewall circle matrix hole slot of interior core needle at hernia needle inner core afterbodyIt is exposed outside outside pin needle point, silk thread is placed on innercore sidewall circle concave hole groove face, utilize sidewall circle matrixHole slot hooks silk thread, automatically returns because of the elastane core of spring after unclamping the finger (not exerting oneself) of inner core afterbodyMoving back, sidewall circle matrix hole slot enters in outer pin nook closing member together with hook strip silk thread in the lump rollback, in interior collar extension position, usesHernia needle thrusts skin histology, because the arc passivity face of inner core slightly protrudes from outer pin, contact tissue, will not stingInjured tissue, shields, and when penetrating further into, continues firmly, the needle point of outer pin progressively pierce abdomenThe all layers of wall tissue, arrive preperitoneal space, by peritoneoscope it is observed that the position of needle point, when needle point aroundPuncture peritoneum after crossing arrival precalculated position, hernical sac one rear flank, hernia needle together with hook strip silk thread enter abdominal cavity, thenThe sidewall circle matrix hole slot of interior core needle firmly, is exposed outside outside the needle point of pin by inner core afterbody, and silk thread leaves herniaAfter air tube, after unclamping the finger (not exerting oneself) of inner core afterbody, enter outer pin because of the elastane core automatic rollback of springIn, the gradually outwards withdraw of the needle, because innercore sidewall circle matrix hole slot has been retracted in outer nook closing member, will not hook strip to organizingAnd cause tissue injury, stop the withdraw of the needle when pin moves back and puts extraperitoneal space, by peritoneoscope it is observed that pinThe position of point, enters abdominal cavity after arriving the position puncturing peritoneum for the first time after needle point walks around hernical sac opposite sideAfter, firmly make innercore sidewall circle matrix hole slot expose outer pin needle point, by intraperitoneal at hernia needle inner core afterbodyThe line brought into for the first time is placed on innercore sidewall circle concave hole groove face, utilizes sidewall circle matrix hole slot to hook silkLine, justifies recessed because of the elastane core automatic rollback of spring, sidewall after unclamping the finger (not exerting oneself) of inner core afterbodyType hole slot, together with in the outer pin nook closing member of hook strip silk thread in the lump rollback, the most firmly extracts hernia needle, can be by silk threadTake out of around hernical sac cervical region, because innercore sidewall circle matrix hole slot has been retracted in outer nook closing member, will not hook strip to organizingAnd cause tissue injury, tie a knot after tightening up silk thread two ends, complete the high ligation to hernical sac.
The effect (assembly model now assembles with the pattern of hernia needle) of abdomen wall sewing device
For Abdominal Incisional Hernia or hernia linea alba and umbilical hernia patient, this pin is pressed hernia needle pattern and is assembled, and utilizes itHook hanging wire function, can complete the effect of abdomen wall sewing device.
When abdomen wall sewing device pin uses, in abdominal hernia surrounding normal abdominal wall tissue, sticking patch needs after placing to sew upFixing stomach wall position, is needled into skin histology with this, because the arc passivity face of inner core slightly protrudes from outer pin,Contact tissue, will not stab tissue, shield, and when penetrating further into, continues firmly, outer pinThe needle point progressively all layers of pierce abdominal wall tissue, enter abdominal cavity, pin inner core afterbody firmly make innercore sidewall circleMatrix hole slot exposes outer pin needle point, and silk thread preset on sticking patch is placed on innercore sidewall circle concave hole groove face,Utilize sidewall circle matrix hole slot to hook silk thread, unclamp after the finger (not exerting oneself) of inner core afterbody because of the bullet of springPower inner core automatic rollback, sidewall circle matrix hole slot, together with in the outer pin nook closing member of hook strip silk thread in the lump rollback, is used gentlyPower extracts pin, can take out of outside stomach wall by silk thread, the other end hook strip of silk thread preset on sticking patch is gone out with methodOutside stomach wall, finally external silk thread is tied a knot, complete abdomen wall sewing device function.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill of the artFor personnel, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, theseImprovements and modifications also should be regarded as protection scope of the present invention.