Background technique
With advancing by leaps and bounds for industrial manufacturing technology, be fused to carry out new technology, the new method of related discipline have established heavily fortified pointReal basis, in addition the operation that doctor is more and more consummate, so that many past open operations have been taken by intracavity operation nowAnd instead of.In recent years, surgery endoscope-assistant surgery have developed rapidly, and can check and treat simultaneously, be most advanced, most advanced at present micro-Wound technology, as the improved day by day and endoscope-assistant surgery doctor of hysteroscope technology operates horizontal raising, almost all of surgical operationIt can be operated by means of endoscope-assistant surgery.The basic principle of endoscope-assistant surgery is that lacuna is formed inside internal organs, and internal organs are photographed on prisonOn screen curtain, surgical doctor monitors, under guidance in high-tech display screen, in external control surgical instrument, carries out to pathological tissuesIt detects, coagulation, hemostasis, separation and incision, suture etc. organized to operate, it is electronics, optics, the contour science and technology of camera shooting in clinicThe model applied in operation has the characteristics that small wound, few intercurrent disease, safety, rehabilitation are fast.
In laparoscopic surgery, in order to make elongated surgical procedure instrument enter lacuna by operative approach, mainly by stabbingCard establishes designated lane, the surgical instruments such as elongated operation pliers, electric hook, ultrasound knife is entered lacuna by stamp card, to carry outThe surgical procedure of removal of lesions establishes that operative approach is very universal using stamp card, and the stamp card that state's unit for endoscope operation uses at present is moreFor that can sterilize repeatedly, reusable metal stamp card, using metal stamp block maximum defect be to perform the operation in stamp card and stomach wallBetween easy loose shift, metal stamp card hand art during easily deviate from or slide into it is too deep, influence surgical procedure and delay operating time, andAnd merging can make stomach wall form multiple Y shape ducts repeatedly, peritonaeum breach increases, and easily forms pneumoderm in art.Exist in addition to thisMovement when surgical procedure because of frequent replacement operating equipment or medical staff during surgery is possible to drive stamp card fortuneIt is dynamic, it is easy to injure the tissue or organ around patients surgery, in laparoscopic surgery, median umbilical ligament understands shadow with the contact of stamp cardOperation is rung, meanwhile, the damage of median umbilical ligament also causes influence to the prognosis of patient, for example postoperative wound exudation, art occursPostoperative infection etc..
Although existing hook for surgery operation is more, it is not directed under endoscope-assistant surgery to stamp card opening skin, fat, deviceThe proprietary drag hook that official is pulled.The prior art proposes stamp clamp fixation device for endoscope-assistant surgery, although stamp clamp fixation device is to stampCard has certain fixed function, but then becomes very troublesome when needing to adjust stamp card depth, angle in the course of surgery,Thus many inconvenience is brought for going on smoothly for operation.
Summary of the invention
In view of this, it is necessary to provide one kind can be suitable for laparoscopic surgery, effective protection stabs card notch periphery skinWith organ and tissue intracavitary in machine, especially protection median umbilical ligament can accelerate procedure, prevention patient it is postoperative simultaneouslyThe laparoscope for preventing median umbilical ligament injury that hair disease occurs stabs card special drag hook.
A kind of laparoscope stamp card special drag hook preventing median umbilical ligament injury, connect including drag hook portion, with drag hook portionHandle portion；
The drag hook portion includes retractor head and curved surface support body, and retractor head is connect by the curved surface support body with handle portion, describedRetractor head is a plates, and one end of the retractor head is provided with a notch, in favor of catching on organ or tissue, the retractor headThe other end is arch opening, and retractor head arch open at one end is vertical with curved surface support body to be connect, preferably by curved surface support bodyThe power of transmitting；The curved surface support body is arch bridge shape plates, and cross section is arch, and the shape of arch and the arch of retractor head are openMatching, the side that the curved surface support body arches upward outward are contacted with patient's body, the aduncate one side of curved surface support body and stampCard matches, and to provide the channel entered for stamp card, sticks into stamp and fashionable is not directly contacted with patient's body.
Preferably, the handle portion includes handle, long handle, and one end of the handle is bent downwardly, to adapt to manpower type justIn grasping, the other end is detachably connected with long handle, in order to prevent the laparoscope of median umbilical ligament injury from stabbing card special drag hookDisassembly；The long handle is that reeded plates, the radian and the radian phase of drag hook portion curved surface support body cross section of groove are opened in one endMatching, the long handle set that reeded one end is vertical with drag hook portion to be connect, preferably by the power transmitted by handle.
Preferably, the radian of curved surface support body cross section is greater than 180 ° and less than 270 °, to prevent because of angle too smallIncrease curved surface support body both ends to the frictional force of skin, angle is excessive to be not easy to surgical procedure.
It preferably, further include the second drag hook portion, the structure in second drag hook portion is identical as the structure in drag hook portion, and describedThe other end of two drag hook portions and handle portion connection, the second drag hook portion include the second retractor head and the second curved surface support body, described secondThe diameter of curved surface support body is different from the diameter of curved surface support body, to place the stamp card of different model.
The utility model has the beneficial effects that: a kind of laparoscope stamp card special drag hook for preventing median umbilical ligament injury,Including drag hook portion, the handle portion being connect with drag hook portion；The drag hook portion includes retractor head and curved surface support body, and the curved surface support body willRetractor head is connect with handle portion, and the retractor head is a plates, and one end of the retractor head is provided with a notch, in favor of catching onThe other end of organ or tissue, the retractor head is arch opening, and retractor head arch open at one end is vertical with curved surface support body to be connect,Preferably by the power transmitted on curved surface support body；The curved surface support body is arch bridge shape plates, and cross section is arch, archShape is matched with the arch of retractor head opening, and the side that the curved surface support body arches upward outward is contacted with patient's body, the curved surfaceThe aduncate one side of support body matches with stamp card, with one channel entered for stamp card of offer, sticks into stamp fashionable not directPatient's body is contacted, prevents the laparoscope of median umbilical ligament injury from stabbing card special drag hook and is suitable for laparoscopic surgery, can effectively protectIntracavitary organ and tissue in shield stamp card notch periphery skin and machine, especially protection median umbilical ligament.
Specific embodiment
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodimentAttached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for thisFor the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings othersAttached drawing.
Referring to Fig. 1 or Fig. 2, the utility model embodiment provides a kind of laparoscope stamp card for preventing median umbilical ligament injurySpecial drag hook 10, including 31 30, drag hook portion 20, the handle being connect with drag hook portion 20；
The drag hook portion 20 includes retractor head 21 and curved surface support body 22, and the curved surface support body 22 is by retractor head 21 and handle 31Portion 30 connects, and the retractor head 21 is a plates, and one end of the retractor head 21 is provided with a notch, in favor of catch on organ orThe other end of tissue, the retractor head 21 is arch opening, and 21 arch open at one end of retractor head is vertical with curved surface support body 22 to be connect,Preferably by the power transmitted on curved surface support body 22；The curved surface support body 22 is arch bridge shape plates, and cross section is arch, archThe shape of shape is matched with the arch of retractor head 21 opening, and the side that the curved surface support body 22 arches upward outward is contacted with patient's body,The aduncate one side of the curved surface support body 22 matches with stamp card, to provide the channel entered for stamp card, sticks into stampIt is fashionable to be not directly contacted with patient's body.
Urachus is embryonic period, embryonic phase, the pipeline of connection a Human Fetus During Bladder and navel.In embryo's evolutionary process, urachus can be certainlyRow locking, becomes median umbilical ligament, is located in the pleat of navel center.In endoscope-assistant surgery, for the laparoscopic surgery of abdominal diseaseOccupy very big specific gravity, laparoscopic surgery, which is substantially all, will use stamp card into the placement of navel up or down edge, the common hand of laparoscopeArt has: stomach and intestine, operation on liver etc. under laparoscopic cholecystectomy, appendectomy, herniorrhaphy and laparoscope, in the course of surgeryIt is easy to keep median umbilical ligament injured.The two corners contacted beside the notch of retractor head 21 with patient's body are designed as fillet, prevent pointSharp corner scratches the body of patient, and the size of 21 notch of retractor head can match with median umbilical ligament, compared to directly settingBe set to smooth drag hook, the notch of retractor head 21 can just catch on median umbilical ligament, and play fixed function, avoid perform the operation intoJourney is delayed operating time, the radian design and the cylinder phase of stamp card lower end of the 22 arch bridge shape of curved surface support body caused by being interruptedMatch, the curved surface of curved surface support body 22 forms the channel entered for stamp card, makes stamp card that can curve inwardly along curved surface support body 22One side enter human body, be not directly contacted with patient's body, when curved surface support body 22 contacts patient's body from traction action be outsideThere is not traction action at the both ends of the smooth arc-shaped surface rided out, curved surface branch to patient's body, therefore the body for avoiding patient is oppositeIt causes to damage in thin thin sharp side.
The utility model has the beneficial effects that: a kind of laparoscope stamp card special drag hook for preventing median umbilical ligament injury10, including 31 30, drag hook portion 20, the handle being connect with drag hook portion 20；The drag hook portion 20 includes retractor head 21 and curved surface support body22, retractor head 21 is connect by the curved surface support body 22 with 31 30, handle, and the retractor head 21 is a plates, the retractor head21 one end is provided with a notch, and in favor of catching on organ or tissue, the other end of the retractor head 21 is arch opening, retractor head21 arch open at one end are vertical with curved surface support body 22 to be connect, preferably by the power transmitted on curved surface support body 22；The curved surfaceSupport body 22 is arch bridge shape plates, and cross section is arch, and the shape of arch is matched with the arch of retractor head 21 opening, the curved surfaceThe side that support body 22 arches upward outward is contacted with patient's body, and the aduncate one side of the curved surface support body 22 matches with stamp card,To provide the channel entered for stamp card, make stamp stick into it is fashionable be not directly contacted with patient's body, prevent median umbilical ligament injuredLaparoscope stamp card special drag hook 10 be suitable for laparoscopic surgery, can effective protection stamp card notch periphery skin and machine in it is intracavitaryOrgan and tissue, especially protection median umbilical ligament.
31 30, the handle include handle 31, long handle 32, and one end of the handle 31 is bent downwardly, to adapt to manpower typeConvenient for grasping, the other end is detachably connected with long handle 32, blocks dedicated drawing in order to prevent the laparoscope of median umbilical ligament injury from stabbingThe disassembly of hook 10；The long handle 32 is that reeded plates are opened in one end, and the radian and 20 curved surface support body of drag hook portion 22 of groove are horizontalThe radian in section matches, and the long handle 32 sets that reeded one end is vertical with drag hook portion 20 to be connect, preferably by by handThe power that handle 31 transmits.
Instrument nurse after surgery arrangement object when usually meet that face drag hook used in art too long, be not easy to place, due toDrag hook touches the body fluid of patient, easily pollutes elsewhere once encountering, therefore provided by the utility model prevents navelThe laparoscope stamp card special drag hook 10 of center ligament injury will be detachably connected between handle 31 and long handle 32, is facilitated arrangement and is turnedFortune, hanging one end of the handle 31 are bent downwardly, and the radian that the palm of the hand generates when holding article with manpower is adapted, and make doctor in artOperation is more comfortable, avoids because of discomfort caused by holding direct rod shape lever for a long time, and may be infected with blood, the body of patient in art on manpowerLiquid, holding direct rod shape lever for a long time will cause sliding, influences the visual field exposed under hysteroscope, impacts to procedure.InstituteThe one end for stating long handle 32 is provided with groove, and there is certain distance on the arc both ends of groove and the both sides of long handle 32, long handle 32 avoided to be equipped withTwo endpoints on the both sides of groove one end are excessively sharp, and stab the body of patient, and groove and long handle are also configured as between 32 both sidesSmooth cambered surface reduces the damage to patient when the body that contact recognizes.
Referring to Fig. 3, the radian of 22 cross section of curved surface support body is greater than 180 ° and less than 270 °, to prevent because of angle mistakeTo the frictional force of skin, angle is excessive to be not easy to surgical procedure at small increase by 22 both ends of curved surface support body.
When radian is less than 180 °, angle is smaller, the man-machine intracorporal skin area that the both ends of curved surface support body 22 touchBigger, 22 both ends of curved surface support body are bigger to the support force of human organism's skin, therefore skin is easy to be damaged, when radian is greater thanAt 180 °, contacts skin and play support force to skin is curved surface that curved surface support body 22 rides out outward, therefore be not easy to make skinAt damage.But when radian is greater than 270 °, radian is bigger, will cause the operation hardly possible that retractor head 21 adjusts position in merging human bodyDegree is bigger, therefore best angle is set as between 180 ° ~ 270 °.
The defect that is primarily present of stamp card is used in endoscope-assistant surgery are as follows: 1. repeatedly merging stomach wall can be made to form multiple Y shape holesRoad, peritonaeum breach increase, and easily form pneumoderm in art；3. because of frequent replacement operating equipment or medical care people when surgical procedureThe movement of member during surgery is possible to drive stamp card movement, is easy to injure tissue or organ around patients surgery, influences handThe prognosis of art and patient, for example postoperative wound exudation, postoperative infection occurs etc., it is provided by the utility model to prevent median umbilical ligamentInjured laparoscope stamp card special drag hook 10 solves the above problem.
Such as in laparoscopic cholecystectomy operation, stamp card insertion is directly entered notch and enters abdominal cavity by the prior art, mayUmbilicus, median umbilical ligament can be damaged, postoperative exudation, infection are caused, using preventing the laparoscope of median umbilical ligament injury from stabbingWhen card special drag hook 10, doctor cuts the skin of operative site around umbilical region first, separates free-fat using curved forceps, exposure is clearThen the laparoscope for preventing median umbilical ligament injury stamp card special drag hook 10 is placed in by clear notch, adjustment prevents navel center toughPosition with injured laparoscope stamp card special drag hook 10, catches on umbilical region free-fat and median umbilical ligament with drag hook portion 20, soAfterwards by 31 30, handle outside upper 45 ° of drawings skin to notch, curved retractor head 21 catches on median umbilical ligament and plays fixed workWith；Stamp card is entered into abdominal cavity along the curved surface of the curved surface support body 22 in drag hook portion 20 at this time, it is possible to prevente effectively from stamp card directly contactsPatient skin, fat, median umbilical ligament, during surgery, even if performing the operation because frequently replacing operating equipment or medical staffIn movement driven stamp card movement, prevent median umbilical ligament injury laparoscope stab card special drag hook 10 can also avoid stamp card hurtAnd tissue or organ around patients surgery, reduce the influence to operation and the generation of complication.In addition to this, in surgeon's knotStamp card is taken out along the curved surface of 20 connector of drag hook portion after beam, the position of adjustment 31 30, handle, taking out prevents navel center toughCard special drag hook 10 is stabbed with injured laparoscope, since the shape navel week notch of drag hook is strip, facilitates suture, and umbilical region groupPeritoneal Stomata can be covered with median umbilical ligament reset by knitting, and avoided peritonaeum breach from increasing, reduced the incidence of pneumoderm.
Referring to fig. 4, the utility model further includes the second drag hook portion 40, the structure in second drag hook portion 40 and drag hook portion 20Structure it is identical, second drag hook portion 40 is connect with 31 30, the handle other ends, the second drag hook portion 40 include the second drag hookFirst 41 and the second curved surface support body 42, the diameter of the second curved surface support body 42 is different from the diameter of curved surface support body 22, to place notWith the stamp card of model.
Prevent median umbilical ligament injury laparoscope stab card special drag hook setting drag hook portion 20 and the second drag hook portion 40 withTo place the stamp card of two kinds of models.In laparoscopic surgery, common two kinds of stamps card is respectively two kinds of models of 10mm and 12mm, becauseStamp card of the diameter of the diameter of this curved surface support body 22 and the second curved surface support body 42 respectively with both models matches, to facilitateIt is used in operation.
Module or unit in the utility model embodiment device can be merged according to actual needs, divide and be deletedSubtract.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainlyInterest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this realityThe equivalent variations made by novel claim, still falls within the scope of the utility model.