CN213249516U

CN213249516U - Basket device for collecting calculus or foreign matter

Info

Publication number: CN213249516U
Application number: CN202021852492.4U
Authority: CN
Inventors: 陈友平; 胡伟
Original assignee: Jiangxi Oude Medical Equipment Co ltd
Current assignee: Jiangxi Oude Medical Equipment Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-25
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a basket device for cover get calculus or foreign matter belongs to the medical instrument field, including basket subassembly, outer sheath pipe, a handle, the push rod, the screw cap, riveting pipe and end cap, outer sheath pipe and handle and push rod fixed connection are passed in proper order to the one end of basket subassembly, the push rod can be slided in the handle, outer sheath pipe passes through the one end looks rigid coupling of screw cap with the handle, the other end and the end cap looks joint of handle, riveting pipe cup joints and fixes on basket subassembly, riveting pipe's one end and push rod fixed connection, riveting pipe's the other end passes the end cap in proper order, handle and screw cap. The utility model discloses a basket device for cover get calculus or foreign matter guarantees that the basket subassembly both can steadily get the stone action reliably, guarantees the device leakproofness again for it is safer effective to get the stone process, helps medical operating personnel to carry out accurate location to disease tissue position, and then shortens the operation time, reduces the sick pain of patient.

Description

Basket device for collecting calculus or foreign matter

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a basket of netting device for set get calculus or foreign matter.

Background

With the development of medical technology in China and the continuous progress of medical level, a treatment method of endoscopic minimally invasive calculus removal is generally adopted in the process of treating biliary calculus. By adopting the Endoscopic Retrograde Cholangiopancreatography (ERCP) and simultaneous papillary myxotomy and adopting the calculus-removing basket to remove calculus at the corresponding part, the utility model belongs to a safe, effective, economical and convenient treatment mode without hospitalization and quick postoperative recovery. ERCP has the advantages of no operation, small wound, short operation time and less complication compared with the surgical operation, thus being deeply welcomed by the patients. In order to extract stones in the biliary tract, a stone extraction basket is generally used as a stone extraction tool in the ERCP, and therefore, the reasonability of the structural design of the stone extraction basket has an important influence on the extraction effect of stones, the operation time, the operation effect and the like.

Chinese patent document publication No. CN204379367U discloses a disposable calculus removing basket, which comprises an outer tube, a handle, a push rod, a head end cap and a basket assembly, wherein the basket assembly is arranged at the front end of the push rod and penetrates the outer tube together with the push rod, and is characterized in that: the head end cap is fixedly connected with one basket wire of the four basket components in a group, and the rest basket wires are inserted into the end cap access port of the head end cap. The disposable calculus-removing basket adopts the pushing rod to drive the basket component to slide, so that the basket component is matched with the outer pipe to switch the basket component to open or recover. However, because the axial length of the connecting axle between push rod and the basket wire is far greater than the axle footpath, be difficult to guarantee that the basket assembly carries out steady motion when doctorsing and nurses operating personnel pulling push rod, be unfavorable for doctorsing and nurses operating personnel and get the stone operation to extension operation time, increase patient is sick and painful. Therefore, the mode of directly connecting the pushing rod with the basket component is adopted, the pushing rod does not facilitate the stable motion of the pushing rod, the pushing rod is easy to bend and even is worn and broken, foreign matters are easy to enter the handle to pollute the basket component and further infect human bodies, and the operation is not safe and reliable enough.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that a basket device for nesting calculus or foreign matter is proposed, adopt the screw cap, the subassembly cooperation handle that riveting pipe and end cap combined together, guarantee that the basket subassembly both can steadily get the stone action reliably, guarantee the device leakproofness again, make it safer effective to get the stone process, help medical care operating personnel to carry out accurate location to disease tissue position, and then shorten the operation time, reduce the sick pain of patient.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of be used for cover to get basket device of calculus or foreign matter, including basket subassembly, outer sheath pipe, handle and push rod, outer sheath pipe and handle and push rod fixed connection are passed in proper order to the one end of basket subassembly, the push rod can be done and slide in the handle, a basket device for cover to get calculus or foreign matter still includes the screw cap, riveting pipe and end cap, outer sheath pipe passes through the one end looks rigid coupling of screw cap and handle, the other end and the end cap looks joint of handle, riveting pipe cup joints and fixes on basket subassembly, riveting pipe's one end and push rod fixed connection, riveting pipe's the other end passes the end cap in proper order, handle and screw cap, remove the push rod, accessible riveting pipe drives basket subassembly and makes the slip in the handle, make basket subassembly and outer sheath pipe cooperate and realize stretching or retrieve the action, in order to cover to get calculus or foreign matter.

The utility model discloses preferred technical scheme lies in, and the one end configuration of handle is for the thread end, and spacing hole has been seted up to the other end of handle, and threaded cover and thread end threaded connection, end cap joint are downthehole at spacing.

The utility model discloses preferred technical scheme lies in, and the hole bottom in spacing hole is equipped with the sealing washer, and the one end of end cap is passed spacing hole and is offseted with the sealing washer, and riveting pipe and basket of netting subassembly all pass the sealing washer.

The utility model discloses preferred technical scheme lies in, and the end cap configuration is notch cuttype end cap to with the tip location joint of handle.

The utility model discloses preferred technical scheme lies in, offered conical head hole and screw hole in the screw cap, and one side of screw cap is passed to the one end of screw hole, and the other end of screw hole communicates with the conical head end in conical head hole, and the opposite side of screw cap is passed to the straight hole end in conical head hole, and the one end of outer sheath pipe is passed conical head hole and is held the adaptation with the conical head end in conical head hole, screw thread end and screw hole threaded connection.

The utility model discloses preferred technical scheme lies in, and the pin is passed through to the one end of riveting pipe and push rod looks rigid coupling.

The utility model discloses preferred technical scheme lies in, the one end configuration of sheath pipe is the flare end, and flare end and the conical head end adaptation and the joint in conical head hole.

The utility model has the advantages that:

the utility model provides a be used for the basket device of set getting calculus or foreign matter under the supervision of endoscope, makes the basket subassembly shrink in the epitheca intraductal and be in complete closed state, and the basket device passes through the working channel entering patient of endoscope internal, and the position of basket subassembly should reach or exceed calculus or foreign matter. The operator then pushes the push rod to fully open the basket assembly, nesting the stone in the center of the basket assembly. Finally, the operator pushes the push rod to retrieve the basket assembly until the stone is fully immobilized, slowly withdrawing the endoscope and basket device from the lumen. Wherein, the riveting pipe cup joints on the basket subassembly for support basket subassembly and make the basket subassembly be connected with the push rod, screw cap and end cap cooperate with the handle respectively and are used for playing firm support and guide effect to riveting pipe and basket subassembly, it is more steady reliable when guaranteeing the basket subassembly and get the stone action, it is safe effective to get stone process, help medical and nursing operating personnel to carry out accurate location to disease tissue position, and then shorten operation time, reduce the patient and suffer from the pain. Meanwhile, the threaded cover is screwed with one end of the handle, and the plug is screwed with the other end of the handle, so that the sealing performance of the device can be ensured, foreign matters are prevented from entering the handle to pollute the basket assembly and further infect a human body, and the use is safer and more reliable.

Drawings

FIG. 1 is a schematic view of the overall structural assembly of a basket device for capturing stones or foreign objects according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a basket device for capturing stones or foreign objects according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the basket apparatus for capturing stones or foreign objects shown in portion A of FIG. 2;

FIG. 4 is an enlarged view of the basket apparatus shown in section B of FIG. 2 for capturing stones or foreign objects;

FIG. 5 is a schematic view of a handle according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a screw cap according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a plug according to an embodiment of the present invention;

fig. 8 is a schematic structural view of an outer sheath provided in an embodiment of the present invention.

In the figure:

1. a basket assembly; 2. an outer sheath tube; 21. a flared end; 3. a handle; 31. a thread end; 32. a limiting hole; 4. a push rod; 5. a threaded cap; 51. a conical head hole; 52. a threaded hole; 6. riveting the tube; 7. a plug; 8. a seal ring; 9. a pin.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 8, the basket device for capturing stones or foreign objects provided in this embodiment includes a basket assembly 1, an outer sheath tube 2, a handle 3 and a push rod 4, wherein one end of the basket assembly 1 sequentially passes through the outer sheath tube 2 and the handle 3 to be fixedly connected with the push rod 4, and the push rod 4 can slide in the handle 3. The push rod 4 can slide in the handle 3. An operator holds the handle 3 as a fulcrum with one hand and pushes the push rod 4 with the other hand to enable the push rod 4 to slide in the handle 3, the basket component 1 can be driven to move back and forth, the basket component 1 can be matched with the outer sheath tube 2, when the basket component 1 extends out of the outer sheath tube 2 and gradually gets away from the outer sheath tube 2, basket wires of the basket component 1 can be unfolded to sleeve and take stones or foreign matters, and then the basket component 1 is pulled to enable the basket wires of the basket component 1 to be abutted to the front end of the outer sheath tube 2, so that the stone sleeving action is achieved. After finishing the stone sleeving action, the basket component 1 can be pulled to be close to the outer sheath tube 2 until the basket component is accommodated in the outer sheath tube 2, so that the endoscope can be conveniently conveyed in a working channel of the endoscope next time. In order to make the basket device more stable and reliable when being taken out, and guarantee the device leakproofness, avoid the foreign matter to get into and produce the infection in the human body. Furthermore, the basket device for sleeving and taking the calculus or the foreign matters further comprises a threaded cover 5, a riveting pipe 6 and a plug 7, the outer sheath pipe 2 is fixedly connected with one end of the handle 3 through the threaded cover 5, the other end of the handle 3 is clamped with the plug 7, the riveting pipe 6 is sleeved and fixed on the basket component 1, one end of the riveting pipe 6 is fixedly connected with the push rod 4, the other end of the riveting pipe 6 sequentially penetrates through the plug 7, the handle 3 and the threaded cover 5, the push rod 4 is moved, the basket component 1 can be driven by the riveting pipe 6 to slide in the handle 3, the basket component 1 is matched with the outer sheath pipe 2 to achieve stretching or recycling actions, and the calculus or the foreign matters are sleeved and taken. Under the monitoring of the endoscope, the basket assembly 1 is contracted in the sheath tube 2 and is in a completely closed state, the basket device enters the body of a patient through a working channel of the endoscope, and the position of the basket assembly 1 reaches or exceeds a calculus or a foreign body. The operator then pushes the push rod 4 to fully open the basket assembly 1, trapping the stone in the center of the basket assembly 1. Finally, the operator pushes the push rod 4 to retrieve the basket assembly 1 until the stone is fully immobilized, slowly withdrawing the endoscope and basket device out of the lumen. Wherein, the riveting pipe 6 is sleeved on the basket component 1, for supporting the basket component 1 and making the basket component 1 be connected with the push rod 4, the screw cap 5 and the plug 7 are respectively matched with the handle 3 for stably supporting and guiding the riveting pipe 6 and the basket component 1, and the basket component 1 is ensured to be more stable and reliable when stone taking action, the stone taking process is safe and effective, and the operation time is shortened by helping medical operation personnel to accurately position the tissue position of a patient, and the pain of the patient is reduced. Meanwhile, the threaded cover 5 is screwed with one end of the handle 3, and the plug 7 is screwed with the other end of the handle 3, so that the sealing performance of the device can be ensured, foreign matters are prevented from entering the handle 3 to pollute the basket component 1 and further infect human bodies, and the use is safer and more reliable.

Preferably, one end of the handle 3 is configured as a thread end 31, the other end of the handle 3 is provided with a limit hole 32, the threaded cover 5 is in threaded connection with the thread end 31, and the plug 7 is clamped in the limit hole 32. Set up thread end 31, make things convenient for handle 3 and screw cap 5 to carry out the dismouting cooperation, set up spacing hole 32, the end cap 7 of being convenient for carries out accurate positioning assembly with handle 3, guarantees to assemble more accurately reliably.

Preferably, the sealing ring 8 is assembled at the bottom of the limiting hole 32, one end of the plug 7 penetrates through the limiting hole 32 to abut against the sealing ring 8, and the riveting pipe 6 and the basket assembly 1 both penetrate through the sealing ring 8. Through setting up sealing washer 8, can further improve device leakproofness, avoid the foreign matter to get into in the handle 3 back along with basket subassembly 1 and enter into the human body and cause the infection, guarantee that the basket device uses safe and reliable more.

Preferably, the plug 7 is configured as a stepped plug to snap into place with the end of the handle 3. The step shoulder of the step-shaped plug can be abutted against the end of the handle 3, so that positioning, clamping and assembling are convenient to carry out.

Preferably, a conical hole 51 and a threaded hole 52 are formed in the threaded cap 5, one end of the threaded hole 52 penetrates one side of the threaded cap 5, the other end of the threaded hole 52 is communicated with the conical end of the conical hole 51, the straight hole end of the conical hole 51 penetrates the other side of the threaded cap 5, one end of the outer sheath tube 2 penetrates through the conical hole 51 and is matched with the conical end of the conical hole 51, and the thread end 31 is in threaded connection with the threaded hole 52. The conical hole 51 is matched with one end of the outer sheath tube 2 to realize limiting clamping connection on the outer sheath tube 2, and the threaded hole 52 is used for connecting the thread end 31 to facilitate disassembly and assembly.

Preferably, one end of the rivet tube 6 is fixedly connected with the push rod 4 through a pin 9. The detachable connection mode of the pin 9 is adopted, so that the riveting tube 6 and the push rod 4 are conveniently assembled and disassembled.

Preferably, one end of the outer sheath tube 2 is configured as a flared end 21, and the flared end 21 is fitted and snapped into the conical end of the conical hole 51. The flared end 21 adopts a conical structure and is matched with the conical hole 51 to realize limiting clamping connection on the outer sheath tube 2.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a basket device for emboliaing calculus or foreign matter, includes basket subassembly (1), outer sheath pipe (2), handle (3) and push rod (4), the one end of basket subassembly (1) passes in proper order outer sheath pipe (2) and handle (3) with push rod (4) fixed connection, push rod (4) can be in make the slip in handle (3), its characterized in that:

the basket device for nesting the calculus or the foreign matters further comprises a threaded cover (5), a riveting pipe (6) and a plug (7);

the outer sheath tube (2) is fixedly connected with one end of the handle (3) through the threaded cover (5), and the other end of the handle (3) is clamped with the plug (7);

the riveting pipe (6) is sleeved and fixed on the basket component (1), one end of the riveting pipe (6) is fixedly connected with the push rod (4), and the other end of the riveting pipe (6) sequentially penetrates through the plug (7), the handle (3) and the threaded cover (5);

the push rod (4) is moved, the basket component (1) can be driven to slide in the handle (3) through the riveting pipe (6), so that the basket component (1) and the outer sheath pipe (2) are matched to realize stretching or recovery action, and calculus or foreign matters are collected.

2. The basket apparatus of claim 1 wherein:

one end of the handle (3) is configured to be a thread end (31), and the other end of the handle (3) is provided with a limiting hole (32);

the threaded cover (5) is in threaded connection with the thread end (31), and the plug (7) is clamped in the limiting hole (32).

3. The basket apparatus of claim 2 wherein:

a sealing ring (8) is assembled at the bottom of the limiting hole (32);

one end of the plug (7) penetrates through the limiting hole (32) to abut against the sealing ring (8);

the riveting pipe (6) and the basket component (1) penetrate through the sealing ring (8).

4. The basket apparatus of claim 1 wherein:

the plug (7) is configured to be a step plug so as to be positioned and clamped with the end part of the handle (3).

5. The basket apparatus of claim 2 wherein:

a conical head hole (51) and a threaded hole (52) are formed in the threaded cover (5);

one end of the threaded hole (52) penetrates through one side of the threaded cover (5), the other end of the threaded hole (52) is communicated with the conical head end of the conical head hole (51), and the straight hole end of the conical head hole (51) penetrates through the other side of the threaded cover (5);

one end of the outer sheath tube (2) penetrates through the conical head hole (51) and is matched with the conical head end of the conical head hole (51);

the thread end (31) is in threaded connection with the threaded hole (52).

6. The basket apparatus of claim 1 wherein:

one end of the riveting tube (6) is fixedly connected with the push rod (4) through a pin (9).

7. The basket apparatus of claim 5 wherein:

one end of the outer sheath tube (2) is configured to be a flared end (21), and the flared end (21) is matched and clamped with the conical head end of the conical head hole (51).