High-stability basket for taking out calculusTechnical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a high-stability basket for taking out calculi.
Background
The solid block formed in the duct cavity or cavity of cavity organs (such as kidney, ureter, gallbladder or bladder, etc.) in human body or animal body is mainly seen in gallbladder, bladder and renal pelvis, also can be seen in the cavity of pancreatic duct, salivary gland duct, etc., the calculus is made up of inorganic salt or organic matter, in general, it has a core made up of desquamated epithelial cell, bacterial block, parasitic ovum or worm, fecal block or foreign body, the inorganic salt or organic matter is deposited on the core layer by layer, and because of the difference of affected organs, the composition, shape, texture and influence on organism contained in the mechanism of calculus formation are different, so that the calculus can cause obstruction of duct cavity, and can affect the discharge of fluid of affected organ, and produce symptoms of pain, hemorrhage or secondary infection, etc..
The diagnosis and treatment technology for calculus is mature, operation treatment is needed if necessary in order to avoid pain, a commonly-used operation is a calculus-taking basket calculus-taking operation, however, the existing calculus-taking basket still has some defects in the using process, the single dosage is limited, when the calculus dosage is large, the basket needs to be taken out from the body of a patient and then sent into the body of the patient, the operation procedure of medical personnel is increased, the side effect of patient treatment is increased easily, when the basket is deformed by driving force, the basket is damaged easily due to overlarge pulling force, and the pressing force on the inner part of a pipeline tissue is also increased, and therefore, a calculus-taking basket with high stability is needed to solve the problems.
Disclosure of Invention
The invention aims to: in order to solve the problems that the existing calculus taking basket still has some defects in the using process, the single-time calculus taking amount is limited, when the calculus amount is large, the calculus taking basket needs to be taken out of the body of a patient for multiple times and then sent into the body of the patient, the operation procedure of medical staff is increased, meanwhile, the side effect of treatment of the patient is increased easily, when the driving force is utilized to deform the calculus taking basket, the calculus taking basket is damaged easily due to overlarge tension, and the problem of overlarge internal compression force on pipeline tissues can also be increased, and the calculus taking basket with high stability is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-stability basket for taking out calculi comprises a sleeve, wherein the side end face of the sleeve is fixedly connected with the end face of one side close to a connecting shaft through a basket guide core, the inner side of the basket guide core is provided with side plate seats corresponding to the position of the connecting shaft, the number of the side plate seats is two, the side plate seat far away from one side of the sleeve and the opposite face of the connecting shaft pass through an elastic supporting device, the two side plate seats are fixedly connected with the surface of a connecting cylinder, a leading wire is fixedly connected in the connecting cylinder, the surface of the leading wire is sleeved with a first sliding sleeve, the first sliding sleeve is clamped on the side face of a fixed disc, the surface of the fixed disc is provided with a drainage port, a second sliding sleeve is clamped on the side face of the fixed disc, a sliding rod is sleeved in the second sliding sleeve, the end part of the sliding rod is fixedly connected with one side close to a piston disc, and a third, the both ends of third supporting spring respectively with the opposite face fixed connection of piston dish and fixed disk, piston dish sliding connection is in sheathed tube inboard, the side joint of piston dish has the third sliding sleeve, the surface at the index wire is cup jointed to the third sliding sleeve.
As a further description of the above technical solution:
the surface winding of connecting axle is connected with spiral sweeping blade, just spiral sweeping blade's surface is provided with the fine hair brush.
As a further description of the above technical solution:
the elastic supporting device comprises an outer barrel, the end portion of the outer barrel is fixedly connected with one side, close to the side plate base, of the outer barrel, an inner rod is sleeved inside the outer barrel, one end of the inner rod is fixedly connected with one end, close to the connecting shaft, of the inner rod, and the other end of the inner rod is fixedly connected with the end face of the inner side of the outer barrel through a first supporting spring.
As a further description of the above technical solution:
the cross-sectional shape that the side panel seat looked sideways at is the ring form, and is provided with the flexible body between two side panel seats, the quantity of flexible body is a plurality of, and a plurality of flexible body uses the inner core of connecting cylinder to be the annular array as the axle center.
As a further description of the above technical solution:
the inner side cambered surface of each telescopic body is fixedly connected with the outer side wall of the connecting cylinder through a second supporting spring, and one side, close to each other, of each two adjacent telescopic bodies is fixedly connected through an elastic net surface.
As a further description of the above technical solution:
one end, far away from the connecting cylinder, of the index wire is fixedly connected with one face, close to the piston, of the piston, the piston is connected inside the piston cylinder in a sliding mode, one face, far away from the index wire, of the piston is fixedly connected with a pull rod, one face, far away from the piston, of the pull rod is fixedly connected with a finger handle, and a tray is fixedly connected to the surface of the sleeve corresponding to the position of the finger handle.
As a further description of the above technical solution:
the surface of the pull rod is sleeved with a fourth supporting spring, one end of the fourth supporting spring is fixedly connected with one side, close to the piston, of the other end of the fourth supporting spring is fixedly connected with one side, close to the fixing seat, of the fixing seat, and the surface of the fixing seat is fixedly connected with the inner side wall of the sleeve.
As a further description of the above technical solution:
the surface of pull rod has cup jointed the fourth sliding sleeve, the side at the fixing base of fourth sliding sleeve joint.
As a further description of the above technical solution:
the basket guide core is made of a memory material, and the connecting shaft is made of an elastic silicon rubber material.
As a further description of the above technical solution:
the basket guide core is provided with 8-16, and the basket guide core is a memory metal wire with a memory metal wire in a circular, oval or spiral shape.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the mutual matching of the designed structures such as the basket guide core, the connecting shaft, the spiral sweeping blades, the piston disc, the second sliding sleeve and the elastic supporting device, the problem of conveying difficulty in corners in pipeline tissues can be avoided, meanwhile, the inner calculus can be conveniently covered by the basket guide core, the inner calculus can be conveniently wrapped by the basket guide core, the effect is good, the use is convenient, the practicability is strong, more inner calculus can be conveniently taken out in one operation process, the operation procedure of medical personnel is simplified, the side effect of patient treatment is also reduced, the practicability is strong, the popularization and the use are facilitated, and meanwhile, the overlarge compression force on the interior of the pipeline tissues can be avoided.
2. According to the invention, through the designed basket guide core, the basket guide core is a memory metal wire with a memory metal wire in a circular, oval or spiral shape and is in a natural folding state when not subjected to the acting force of the index wire, so that the process that medical personnel send the basket guide core into the human body pipeline tissue by operating the casing pipe is smoother, the problem of conveying difficulty in the pipeline tissue at a corner can be avoided, meanwhile, the basket guide core is convenient to cover the internal calculus, and the basket guide core is convenient to wrap the internal calculus.
3. According to the invention, through the designed connecting shaft and the spiral sweeping blades, the basket guide core can rotate under the influence of habitual actions of a human body in the process of conveying the sleeve, and the rotating action is used as the driving force of the spiral sweeping blades, so that the inner stones attached to the inner wall of the pipeline tissue can be scraped, and the device has the advantages of good effect, convenience in use and strong practicability.
4. In the invention, through the designed side plate seat, the telescopic body, the sliding rod, the second sliding sleeve, the third supporting spring, the piston disc and the second sliding sleeve, when the basket guide core moves to the position corresponding to the inner calculus, the pull rod is pulled to extend to the outer side of the sleeve through the finger handle, so that the direction of the sleeve connected with the axial direction can be pulled by the guide wire to move, the basket guide core is stressed to deform and expand, the inner calculus can be wrapped in the sleeve, the finger handle is pulled continuously, the inner calculus can be pushed into the sleeve by the telescopic body arranged on the inner side of the side plate seat and the side plate seat, the sliding rod can be pushed to slide in the third sliding sleeve in the contact process of the side plate seat or the telescopic body and the sliding rod, a certain negative pressure field is formed between the piston seat and the fixed seat, and the inner calculus which just enters the sleeve can be quickly introduced between the measuring piston disc and the fixed disc through the drainage port by using negative, can keep more stones temporarily in the sleeve, just can take out more interior stones in the operation process, not only simplify medical staff's operation procedure, also reduced the side effect of patient's treatment, the practicality is strong, does benefit to and uses widely.
5. According to the invention, through the designed connecting cylinder, the side plate seat, the telescopic body, the second supporting spring and the elastic net surface, the deformation degree of the basket guide core determines the stress strength of the telescopic body, so that when the basket guide core deforms and expands, the telescopic body and the elastic net surface stretch outwards under the effect of the elastic force of the second supporting spring, the coverage surface is enlarged, and thus the internal calculus can be better guided into the sleeve.
6. According to the invention, through the designed elastic supporting device, the elastic supporting device is used as a connecting medium between the side plate seat and the connecting shaft, so that the elastic supporting device can deform to a certain extent in the process of moving the side plate seat towards the direction of the sleeve, the basket guide core is prevented from being damaged due to overlarge pulling force, and meanwhile, the internal compression force of the pipeline tissue is also prevented from being overlarge.
Drawings
FIG. 1 is a schematic perspective view of a high stability stone retrieval basket according to the present invention;
FIG. 2 is an enlarged schematic structural view of a portion A of a high-stability calculus removing basket according to the present invention;
FIG. 3 is a schematic cross-sectional view of a side plate seat of a high-stability calculus removing basket according to the present invention;
FIG. 4 is a schematic perspective view of a connecting shaft in a high-stability stone-taking out basket according to the present invention;
FIG. 5 is an enlarged schematic structural view of a portion B of a high-stability stone-retrieving basket according to the present invention;
FIG. 6 is a schematic perspective view of a piston plate of a high stability stone retrieval basket according to the present invention;
FIG. 7 is a schematic perspective view of an index wire in a high stability stone retrieval basket according to the present invention;
FIG. 8 is a schematic perspective view of a fixed disk in a high-stability stone-taking out basket according to the present invention;
FIG. 9 is an exploded view of a flexible support device in a high stability stone retrieval basket in accordance with the present invention;
FIG. 10 is a schematic view of a combination of a basket piston and a finger handle for extracting stones with high stability according to the present invention;
fig. 11 is a schematic sectional view of a top view of a sleeve in a basket for extracting stones with high stability according to the present invention.
Illustration of the drawings:
1. a sleeve; 2. a basket guide core; 3. a connecting shaft; 4. spirally sweeping the blades; 5. an elastic support device; 51. an outer cylinder; 52. a first support spring; 53. an inner rod; 6. a side plate seat; 7. a connecting cylinder; 8. a telescopic body; 9. a second support spring; 10. an elastic mesh surface; 11. leading the rope; 12. fixing the disc; 13. a first sliding sleeve; 14. a slide bar; 15. a piston disc; 16. a second sliding sleeve; 17. a third support spring; 18. a drainage opening; 19. a third sliding sleeve; 20. a piston; 21. a fourth support spring; 22. a fourth sliding sleeve; 23. a pull rod; 24. a fixed seat; 25. a tray; 26. a finger handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a high-stability basket for taking out calculi comprises a sleeve 1, the side end surface of the sleeve 1 is fixedly connected with the end surface of one side close to a connecting shaft 3 through a basket guide core 2, and the inner side of the basket guide core 2 is provided with a side plate seat 6 corresponding to the position of the connecting shaft 3, through the designed basket guide core 2, the basket guide core 2 is a memory metal wire with a memory metal wire in a circular, oval or spiral shape and is in a natural folding state when not receiving the acting force of a cable guide wire 11, so that the process that medical personnel send the basket guide core 2 into the human body pipeline tissue by operating the sleeve 1 is smoother, the problem of conveying difficulty in the pipeline tissue at a corner can be avoided, meanwhile, the covering work of the basket guide core 2 on the calculi is facilitated, the basket guide core 2 is convenient to wrap the calculi inside, and the number of the side plate seats 6 is two, the opposite surfaces of the side plate seat 6 positioned at one side far away from the sleeve 1 and the connecting shaft 3 pass through an elastic supporting device 5, the two side plate seats 6 are fixedly connected with the surface of a connecting cylinder 7, an index wire 11 is fixedly connected in the connecting cylinder 7, the surface of the index wire 11 is sleeved with a first sliding sleeve 13, the first sliding sleeve 13 is clamped at the side surface of a fixed disc 12, the surface of the fixed disc 12 is provided with a drainage port 18, the side surface of the fixed disc 12 is clamped with a second sliding sleeve 16, a sliding rod 14 is sleeved in the second sliding sleeve 16, the end part of the sliding rod 14 is fixedly connected with one surface close to a piston disc 15, the surface of the sliding rod 14 is sleeved with a third supporting spring 17, the two ends of the third supporting spring 17 are respectively and fixedly connected with the opposite surfaces of the piston disc 15 and the fixed disc 12, and the side plate seats 6, the telescopic body 8, the sliding rod 14, the second sliding sleeve 16, the third, when the basket guide core 2 moves to the position corresponding to the inner calculus, the pull rod 23 is pulled by the finger handle 26 to extend out of the sleeve 1, so that the connecting shaft 3 can be pulled by the index wire 11 to move towards the direction of the sleeve 1, the basket guide core 2 is stressed to deform and expand, the inner calculus can be wrapped in, the finger handle 26 is pulled continuously, the inner calculus can be pushed into the sleeve 1 by the aid of the telescopic body 8 arranged on the inner sides of the side plate seat 6 and the side plate seat 6, the slide rod 14 can be pushed to slide in the third slide sleeve 19 in the contact process of the side plate seat 6 or the telescopic body 8 and the slide rod 14, a certain negative pressure field is formed between the piston 20 seat and the fixed seat 24, the inner calculus which just enters the sleeve 1 can be quickly led into the space between the piston disc 15 and the fixed disc 12 through the drainage port 18 by means of negative pressure, and more calculus can be temporarily stored in the sleeve 1 in the operation mode, more internal stones can be taken out in one-time operation, so that the operation procedure of medical staff is simplified, the side effect of treatment of patients is reduced, the practicability is high, popularization and use are facilitated, the piston disc 15 is connected to the inner side of the sleeve 1 in a sliding mode, the side face of the piston disc 15 is connected with the third sliding sleeve 19 in a clamping mode, and the third sliding sleeve 19 is connected to the surface of the index wire 11 in a sleeved mode.
Specifically, as shown in fig. 3, the surface winding of connectingaxle 3 is connected with spiralsweeping blade 4, and the surface of spiralsweeping blade 4 is provided with the fine hair brush, connectingaxle 3 and spiralsweeping blade 4 through the design, at the in-process of conveyingsleeve 1, receive human habitual action to influence, thecore 2 can take place the rotation action to the basket guide, regard this rotation action as spiralsweeping blade 4's drive power, just can strike off attached interior calculus on the pipeline tissue inner wall, and is effectual, high durability and convenient use, and the practicality is strong.
Specifically, as shown in fig. 9, the elastic supportingdevice 5 includes anouter cylinder 51, an end of theouter cylinder 51 is fixedly connected to a side surface close to theside plate holder 6, aninner rod 53 is sleeved inside theouter cylinder 51, one end of theinner rod 53 is fixedly connected to one end close to the connectingshaft 3, the other end of theinner rod 53 is fixedly connected to an end surface of the inner side of theouter cylinder 51 through a first supportingspring 52, and by designing the elastic supportingdevice 5, the elastic supportingdevice 5 serves as a connecting medium between theside plate holder 6 and the connectingshaft 3, so that theside plate holder 6 can deform in the process of moving towards the direction of thecasing 1, and thebasket guide core 2 is prevented from being damaged due to too large pulling force, and meanwhile, too large pressing force on the inside of the pipeline tissue can be prevented.
Specifically, as shown in fig. 3, the side-looking cross-sectional shape of theside plate holders 6 is circular, and thetelescopic bodies 8 are arranged between the twoside plate holders 6, the number of thetelescopic bodies 8 is several, and the severaltelescopic bodies 8 are in an annular array with the inner core of the connectingcylinder 7 as the axis, and through the designed connectingcylinder 7, theside plate holders 6, thetelescopic bodies 8, the second supporting springs 9 and the elasticnet surface 10, the deformation degree of thebasket guide core 2 determines the stress strength of thetelescopic bodies 8, so that when thebasket guide core 2 deforms and expands, thetelescopic bodies 8 and the elasticnet surface 10 stretch outwards under the effect of the elastic force of the second supporting springs 9, the coverage surface is enlarged, and thus, the internal stones can be better guided into thecasing 1.
Specifically, as shown in fig. 3, the inner side arc surface of thetelescopic body 8 is fixedly connected with the outer side wall of the connectingcylinder 7 through the second supportingspring 9, and the adjacent surfaces of two adjacenttelescopic bodies 8 are fixedly connected through the elasticnet surface 10.
Specifically, as shown in fig. 1, one end of theindex wire 11 far from the connectingcylinder 7 is fixedly connected with one side close to thepiston 20, thepiston 20 is slidably connected inside the cylinder of thepiston 20, one side of thepiston 20 far from theindex wire 11 is fixedly connected with apull rod 23, one side of thepull rod 23 far from thepiston 20 is fixedly connected with afinger handle 26, and atray 25 is fixedly connected to the surface of thesleeve 1 at a position corresponding to thefinger handle 26.
Specifically, as shown in fig. 11, a fourth supportingspring 21 is sleeved on the surface of thepull rod 23, one end of the fourth supportingspring 21 is fixedly connected to a surface close to thepiston 20, the other end of the fourth supportingspring 21 is fixedly connected to a surface close to the fixingseat 24, and the surface of the fixingseat 24 is fixedly connected to the inner side wall of thecasing 1.
Specifically, as shown in fig. 11, the surface of thepull rod 23 is sleeved with the fourth slidingsleeve 22, and the fourth slidingsleeve 22 is clamped on the side surface of the fixingseat 24.
Specifically, as shown in fig. 1, thebasket guide core 2 is made of a memory material, and the connectingshaft 3 is made of an elastic silicone rubber material.
Specifically, as shown in fig. 1, 8 to 16basket guide cores 2 are provided, and thebasket guide cores 2 are memory metal wires in a circular, elliptical or spiral shape.
The working principle is as follows: when in use, the basket guide core 2 is a memory metal wire with a circular, oval or spiral shape, and is in a natural folding state when not receiving the acting force of the index wire 11, so that the process that medical personnel sends the basket guide core 2 into the human body pipeline tissue by operating the casing 1 can be smoother, and the problem of difficult conveying when meeting corners inside the pipeline tissue can be avoided, meanwhile, the covering work of the basket guide core 2 on the internal calculus is also facilitated, the basket guide core 2 is convenient to wrap the internal calculus, the basket guide core 2 is influenced by the habitual action of the human body in the process of conveying the casing 1, the basket guide core 2 can rotate, the rotation is used as the driving force of the spiral sweeping blade 4, the internal calculus attached to the inner wall of the pipeline tissue can be scraped, the effect is good, the use is convenient, the practicability is strong, when the basket guide core 2 moves to the corresponding internal calculus part, the pull rod 23 is pulled to extend out of the casing 1 through the finger handle 26, so that the connecting shaft 3 can be pulled by the guide wire 11 to move towards the casing 1, the basket guide core 2 is stressed to deform and expand, the internal calculus can be wrapped in the stone, the finger handle 26 is pulled continuously, the internal calculus can be pushed into the casing 1 by the side plate seat 6 and the telescopic body 8 arranged on the inner side of the side plate seat 6, the sliding rod 14 can be pushed to slide in the third sliding sleeve 19 in the contact process of the side plate seat 6 or the telescopic body 8 and the sliding rod 14, a certain negative pressure field is formed between the piston 20 seat and the fixed seat 24, the internal calculus which just enters the casing 1 can be quickly introduced into the space between the measuring piston disc 15 and the fixed disc 12 through the drainage port 18 by utilizing negative pressure, more calculus can be temporarily stored in the casing 1 in the operation mode, and more internal calculus can be taken out in one operation process, not only simplified medical staff's operating procedure, the side effect of patient's treatment has also been reduced, therefore, the clothes hanger is strong in practicability, do benefit to using widely, the degree of deformation that basket guide core 2 takes place is deciding the stress intensity of the flexible body 8, therefore when basket guide core 2 takes place deformation and is expanded, flexible body 8 and elasticity wire side 10 receive the effect of second supporting spring 9 elasticity down to stretch out and draw back to the outside, enlarge the covering surface, thereby alright better with interior calculus leading-in to the sleeve pipe 1 in, elastic support device 5 is as the connection media between curb plate seat 6 and the connecting axle 3, make curb plate seat 6 at the in-process that removes to sleeve pipe 1 direction, elastic support device 5 can take place certain deformation, avoid basket guide core 2 to suffer destruction because of the too big pulling force that receives, also can avoid simultaneously too big to the inside compressive force of pipeline tissue.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.