Stone extraction basketTechnical field
Technical field of medical instruments is the utility model is related to, more particularly, to a kind of stone extraction basket.
Background technology
Stone extraction basket is widely used in the different field of surgery such as Urology Surgery, biliary tract and occurred among the treatment for diseases of calculus,Stone extraction basket is simultaneously and hard mirror protects the operating theater instruments that courage takes stone operation to be commonly used, and stone extraction basket when in use, is taking one, it is necessary to which calculus is enclosed in basket during a little smaller calculus, then shrink basket and calculus is limited in basket, stone extraction basket existsIt can not lock after extracting calculus, be limited in by calculus of manually holding with a firm grip in basket, it is easy to cause calculus to come off netBasket, it need to so be repeated and extract, waste time and energy, reduce its operating efficiency.
Utility model content
The technical problems to be solved in the utility model is：It can not lock, lead to after calculus is extracted in order to solve stone extraction basketCross and manually hold with a firm grip so that calculus is limited in basket, it is easy to cause calculus to come off basket, need to so be repeated and extract,Waste time and energy, the problem of reducing its operating efficiency, now provide a kind of stone extraction basket.
Technical scheme is used by the utility model solves its technical problem：A kind of stone extraction basket, including be sequentially connectedHandle, sheath and net portion, chute is offered on the handle along its length, is slided on the handle and is provided with cunningSet, the sliding sleeve are provided with sliding block, and the sliding block matches with the chute, and the sliding block is slidably arranged in the chute,The one end in the net portion is arranged on sliding block through sheath, and some cards are offered along the glide direction of sliding sleeve on the handleGroove, cavity body is offered on the sliding sleeve, the connecting plate for being provided with and matching with it, the connecting plate are slided in the cavity bodySpring is provided between the cavity body, one end of the connecting plate is provided with the fixture block to match with neck, and the fixture block passes throughSliding sleeve card is arranged in the neck, and the contact surface away from net portion one end is inclined-plane between the fixture block and the neck, instituteIt is in gradual acclivitous inclined-plane that inclined-plane, which is stated, from net portion to handle orientations, and the other end of the connecting plate is provided with screw rod, describedScrew rod protrudes from sliding sleeve, and threaded one end of the screw rod away from connecting plate is connected with nut.Slided over by control sliding on handleIt is dynamic, net portion can be controlled to shrink or stretch out sheath, it is convenient to control net portion to extract calculus, it is fastened on by fixture blockIn bayonet socket, effectively sliding sleeve can be carried out spacing so that net portion can preferably entangle calculus and not release, while can controlAdjusting nut processed so that fixture block departs from neck, is preferably controlled to net portion.
Operated in order to facilitate operating personnel, further, the both sides of the sliding sleeve are symmetrically arranged with draw ring.Can by draw ringSlided with very easily controlling to slide on handle, improve operating efficiency.
Destination locations are poured into for the ease of net, due to bile duct because calculus is blocked, cause space than narrow so thatNet portion through when it is relatively difficult, further, the described one end of net portion away from sheath is provided with seeker, the seekerWith the introduction segment, guide section and linkage section being sequentially connected, the introduction segment is sphere, and the guide section is the conical surface, the companyIt is cylindrical type to connect section, and the introduction segment is located at the small end of guide section, and the linkage section is located at the big end of guide section, the linkage sectionIt is arranged on the described one end of net portion away from sheath.Led by setting seeker in net portion, and by sphere on seekerEnter section importing, then be oriented to by guide section so that the much smoother arrival designated area in net portion after linkage section.
The beneficial effects of the utility model are：The utility model stone extraction basket slides over handle when in use, by controlUpper slip, net portion can be controlled to shrink or stretch out sheath, it is convenient to control net portion to extract calculus, pass through fixture block cardIt is located in bayonet socket, effectively sliding sleeve can be carried out spacing so that net portion can preferably entangle calculus and not release, while canTo control to adjust nut so that fixture block departs from neck, preferably net portion is controlled, the utility model side simple to operateJust, it can quickly control sliding sleeve and sliding sleeve be carried out spacing, preferably control net portion to extract calculus, improve operating efficiency,Avoiding stone extraction basket can not lock after calculus is extracted, and be limited in by calculus of manually holding with a firm grip in basket, it is easy toCause calculus to come off basket, need to so be repeated and extract, waste time and energy, the problem of reducing its operating efficiency.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the utility model stone extraction basket；
Fig. 2 is the internal structure schematic diagram of the utility model stone extraction basket；
Fig. 3 is the partial enlarged drawing of A in Fig. 2；
Fig. 4 is the partial enlarged drawing of B in Fig. 2.
In figure：1st, handle, 101, chute, 102, neck, 2, sheath, 3, net portion, 4, sliding sleeve, 401, cavity body, 5, slidingBlock, 6, connecting plate, 7, spring, 8, fixture block, 9, screw rod, 10, nut, 11, draw ring, 12, seeker, 12-1, introduction segment, 12-2,Guide section, 12-3, linkage section.
Embodiment
Presently in connection with accompanying drawing, the utility model is described in more detail.These accompanying drawings are simplified schematic diagram,Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment
As shown in Fig. 1,2,3 and 4, a kind of stone extraction basket, including handle 1, sheath 2 and the net portion 3 being sequentially connected, it is describedChute 101 is offered on handle 1 along its length, is slided on the handle 1 and is provided with sliding sleeve 4, the sliding sleeve 4, which is provided with, to be slidedBlock 5, the sliding block 5 match with the chute 101, and the sliding block 5 is slidably arranged in the chute 101, the net portion 3One end be arranged on through sheath 2 on sliding block 5, offer some necks 102, institute along the glide direction of sliding sleeve 4 on the handle 1State and cavity body 401 is offered on sliding sleeve 4, the connecting plate 6 for being provided with and matching with it, the company are slided in the cavity body 401Spring 7 is provided between fishplate bar 6 and the cavity body 401, one end of the connecting plate 6 is provided with the fixture block to match with neck 1028, the fixture block 8 is arranged in the neck 102 through the card of sliding sleeve 4, away from net between the fixture block 8 and the neck 102The contact surface of the one end of portion 3 is inclined-plane, and the inclined-plane is from net portion 3 to the direction of handle 1 in gradual acclivitous inclined-plane, the companyThe other end of fishplate bar 6 is provided with screw rod 9, and the screw rod 9 protrudes from sliding sleeve 4, and threaded one end of the screw rod 9 away from connecting plate 6 connectsIt is connected to nut 10.
The both sides of the sliding sleeve 4 are symmetrically arranged with draw ring 11.
The described one end of net portion 3 away from sheath 2 is provided with seeker 12, and the seeker 12 has the importing being sequentially connectedSection 12-1, guide section 12-2 and linkage section 12-3, the introduction segment 12-1 are sphere, and the guide section 12-2 is the conical surface, describedLinkage section 12-3 is cylindrical type, and the introduction segment 12-1 is located at guide section 12-2 small end, and the linkage section 12-3 is positioned at guidingSection 12-2 big end, the linkage section 12-3 are arranged on the described one end of net portion 3 away from sheath 2.
For above-mentioned stone extraction basket when using, concrete operation step is as follows：Nut 10 is controlled first so that connecting plate 6 compressesSpring 7, and fixture block 8 is departed from neck 102, net portion 3 is delivered to by calculus region by seeker 12, control sliding sleeve 4 is in handle 1Upper slip, sliding block 5 slide in groove so that and the one end in net portion 3 is stretched out sheath 2 and opened, and calculus is nested into net,And sliding sleeve 4 is located at handle 1 close to the one end in net portion 3, now controls to adjust nut 10 so that spring 7 recovers original state,Connecting plate 6 glides in the presence of the power of spring 7, drives fixture block 8 to be caught in neck 102, then pulls the draw ring of the both sides of sliding sleeve 411, and sliding sleeve 4 is slided to the direction away from net portion 3, sliding block 5 drives net portion 3 to shrink so that calculus is limited in basketIn wet end 3, because the contact surface away from the one end of net portion 3 between fixture block 8 and the neck 102 is inclined-plane, inclined-plane is by net portion 3Be in gradual acclivitous inclined-plane to the direction of handle 1, fixture block 8 to when being moved away from the direction of net portion 3 in the presence of inclined-plane,So that fixture block 8 rises automatically and departs from neck 102 so that the extrusion spring 7 of connecting plate 6, until net portion 3 extracts calculus.Net portion 3 and calculus are pulled out by handle 1.
It is above-mentioned according to desirable embodiment of the present utility model for enlightenment, pass through above-mentioned description, relevant staffVarious changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely.This item is practicalNew technical scope is not limited to the content on specification, it is necessary to determines that its is technical according to rightScope.