CN215018722U

CN215018722U - double-J pipe taking-out device

Info

Publication number: CN215018722U
Application number: CN202023165246.4U
Authority: CN
Inventors: 张骞; 王洪福; 滕瑞红
Original assignee: Peking University First Hospital
Current assignee: Peking University First Hospital
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-12-07
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to a two J pipe operation appurtenance technical field, concretely relates to two J pipe remove device, include: the first magnetic piece is arranged at least one end of the double J tube; one end of the guide wire is fixedly connected with a second magnetic piece, one end of the guide wire connected with the second magnetic piece is provided with a foreign body basket, and the second magnetic piece is arranged on the inner side of the foreign body basket; and the catheter is sleeved outside the guide wire, and two ends of the guide wire respectively extend out of two ends of the catheter. Utilize the foreign matter basket to accomodate first magnetic force spare and second magnetic force spare jointly to the foreign matter basket in, the foreign matter basket snatchs first magnetic force spare and second magnetic force spare and fixes. Then, the guide wire is dragged, and the first magnetic piece and the double J tube can be dragged out of the human body from the catheter; in the process of removing the double J tubes, cystoscopy is not needed, so that the operation steps of the double J tube taking-out operation are simplified, the pain of a patient is relieved, and the cost of the double J tube taking-out operation is reduced.

Description

double-J pipe taking-out device

Technical Field

The utility model relates to a two J pipe operation appurtenance technical field, concretely relates to two J pipe remove device.

Background

The double J-shaped tube is also called a pigtail catheter, is suitable for the upper urinary tract operation such as kidney stone, ureteral stone, hydronephrosis, kidney transplantation, benign tumor of kidney and ureter and the like, and the treatment process such as lithotripter calculus, ureter stenosis expansion, vesicoureteral re-implantation and the like, is implanted into the body of a patient during the operation, and is generally made of silicon rubber or polyurethane polymer materials which can not be degraded and absorbed in the body of a human body. During operation, the elbows at the two ends of the double J-shaped tube are respectively arranged in the renal pelvis and the urinary bladder of a human body, and the middle part of the double J-shaped tube is arranged in the ureter connecting the renal pelvis and the urinary bladder, so that the double J-shaped tube plays an important role in draining urine, and preventing the ureter from being narrow and blocked by adhesion. After being placed into the human body, the double J-tube needs to be taken out within 3 to 6 weeks according to the actual condition of a patient.

Among the prior art, the invasive operation is adopted in taking out of two J pipes, uses cystourethroscope and foreign matter to take out pincers through the two J pipes of urethra, but, because above-mentioned two kinds of apparatus are the stereoplasm structure, the price is higher, and stretch into simultaneously behind the urethra, and the volume is great, and the cooperation operation is complicated, and the foreign matter is taken out pincers clamp and is got two J pipe difficulties, and partial patient needs to operate under the anesthesia, leads to this process to cause very big misery for patient, arouses patient's urethral tissue damage even.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the operation is complicated and easily causes the infection in the operation of taking out two J pipes among the prior art to provide a two J pipe remove device.

In order to solve the technical problem, the utility model provides a two J pipe remove device, include:

the first magnetic piece is arranged at least one end of the double J tube;

one end of the guide wire is connected with a second magnetic part, and one end of the guide wire connected with the second magnetic part is provided with a foreign body basket;

and the catheter is sleeved outside the guide wire, and two ends of the guide wire respectively extend out of two ends of the catheter.

Optionally, the first magnetic member is a ring magnet, the ring magnet is fixedly connected to the double-J tube, and the ring magnet and the double-J tube are coaxially disposed.

Optionally, the ring magnet is fixedly connected within the double J-tube.

Optionally, a pull wire is connected to the first magnetic member, and the first magnetic member is connected to the double J-tube through the pull wire.

Optionally, the length of the pull wire is no greater than 3 cm.

Optionally, the second magnetic member is a columnar magnet, the columnar magnet is fixedly connected to the end of the guide wire, the columnar magnet and the guide wire are coaxially arranged, and the foreign-matter basket is sleeved outside the columnar magnet.

Optionally, the outer wall of the catheter is provided with a plurality of distance marks at intervals along the length direction of the catheter.

Optionally, the guide wire is further connected with an operating handle, and the operating handle and the foreign body basket are respectively connected to two different ends of the guide wire.

Optionally, a balloon is arranged at the extending end of the foreign body basket on the catheter

The utility model discloses technical scheme has following advantage:

1. the utility model provides a two J pipe remove device, include: the first magnetic piece is arranged at least one end of the double J tube; one end of the guide wire is fixedly connected with a second magnetic piece, one end of the guide wire connected with the second magnetic piece is provided with a foreign body basket, and the second magnetic piece is arranged on the inner side of the foreign body basket; and the catheter is sleeved outside the guide wire, and two ends of the guide wire respectively extend out of two ends of the catheter.

When taking out two J pipes from the human body, put into the human body with the pipe earlier, put into the human body with the seal wire along the pipe again, make the one end that is equipped with column magnet forward when putting into the seal wire, the control seal wire is close to two J pipes, when treating that second magnetic force spare is close to each other with first magnetic force spare, first magnetic force spare and second magnetic force spare inter attraction rely on magnetic force to be connected to together, control foreign matter basket contracts, utilize foreign matter basket to accomodate first magnetic force spare and second magnetic force spare jointly in the foreign matter basket, foreign matter basket snatchs first magnetic force spare and second magnetic force spare and fixes. Then, the guide wire is dragged, and the first magnetic piece and the double J tube can be dragged out of the human body from the catheter; or the foreign body basket fixes and stabilizes the first magnetic part and then pulls the catheter and the guide wire simultaneously, so that the first magnetic part and the double J tube can be pulled out of the human body. In the process of removing the double J tubes, cystoscopy is not needed, so that the operation steps of the double J tube taking-out operation are simplified, the pain of a patient is relieved, and the cost of the double J tube taking-out operation is reduced.

2. The utility model provides a two J pipe remove device, first magnetic force spare are cyclic annular magnet, cyclic annular magnet and two J pipe fixed connection, and cyclic annular magnet and the coaxial setting of two J pipe. Through setting up the cyclic annular magnet of two J pipe coaxial arrangement as first magnetic force spare for cyclic annular magnet assembles integratively with two J pipe, and two J pipe can reduce the possibility that grows the calculus in cyclic annular magnet when the time of implanting in the human body is longer.

3. The utility model provides a two J pipe remove device is connected with the pull wire on the first magnetic force spare, and first magnetic force spare passes through pull wire and two J union couplings. Through setting up the pull wire, part first magnetic force piece and two J pipes, avoid first magnetic force piece to be wrapped up and to lead to the unable and first magnetic force piece of second magnetic force piece to rely on magnetic force inter attraction in two J pipes. Guarantee when second magnetic force spare and first magnetic force spare are close to, second magnetic force spare and first magnetic force spare inter attraction for second magnetic force spare can be linked together with first magnetic force spare fast, can shorten two J pipes and take out the operation and go on long time, reduce the action range of pipe and seal wire in the human body, alleviate the misery of patient when performing the operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a double J-tube according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a double J-tube removing device according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a foreign matter basket according to an embodiment of the present invention.

Fig. 4 is a schematic view of the first magnetic member and the double J-tube in a fitting connection according to the first embodiment of the present invention.

Fig. 5 is a schematic view of the first magnetic member and the double J-tube in a fitting connection according to the second embodiment of the present invention.

Fig. 6 is a schematic view of the first magnetic member and the double J-tube in a fitting connection according to a third embodiment of the present invention.

Fig. 7 is a schematic view of the cooperation and assembly of the catheter and the rubber inner core provided in the embodiment of the present invention.

Fig. 8 is a schematic structural view of a rubber inner core provided in an embodiment of the present invention.

Description of reference numerals: 1. a double J tube; 2. a guide wire; 3. a foreign matter basket; 4. a conduit; 5. a ring-shaped magnet; 6. a pull wire; 7. a columnar magnet; 8. an operating handle; 9. distance marking; 10. an elliptical magnet; 11. an inflation branch pipe; 12. a balloon; 13. a rubber inner core.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 1 to 8 are views illustrating a double J-tube removing device according to this embodiment, including: a first magnetic member, a second magnetic member, a guide wire 2, a catheter 4 and a foreign body basket 3. Guarantee that 4 soft textures of pipe are difficult for causing the damage and guarantee that the lumen has certain support intensity and avoid pipe 4 to stretch into human body after by flattening, pipe 4 chooses for use silicone tube in this embodiment. Fig. 1 is a schematic structural view of a double J-tube used in this embodiment.

The first magnetic member is connected to one end of the double J-shaped tube 1, and a film made of the same material as the double J-shaped tube is wrapped outside the first magnetic member to prevent calculus from forming. The end of the double J-shaped tube 1 provided with the first magnetic member is placed in the bladder. As shown in fig. 4, the first magnetic member is a ring magnet 5, the ring magnet 5 is fixedly connected to the double J-tube 1, and the ring magnet 5 is coaxially disposed with the double J-tube 1. The ring magnet 5 is arranged at the bladder end of the double J-shaped tube 1. In order to prevent urinary calculus formed in the body due to forgetting to extract the tube or delaying to extract the tube of the patient, and relieve the pain and the economic burden of the patient, the annular magnet 5 is fixedly connected in the double J-shaped tube 1.

As shown in fig. 3, one end of the guide wire 2 is fixedly connected with a second magnetic member, one end of the guide wire 2 connected with the second magnetic member is provided with a foreign body basket 3, and the second magnetic member is arranged on the inner side of the foreign body basket 3. In order to facilitate the movement of the second magnetic part in a human body and the connection of the second magnetic part and the first magnetic part, the second magnetic part is a columnar magnet 7, the columnar magnet 7 is fixedly connected to the end part of the guide wire 2, the columnar magnet 7 and the guide wire 2 are coaxially arranged, and the foreign body basket 3 is sleeved outside the columnar magnet 7. As shown in fig. 2, the catheter 4 is sleeved outside the guide wire 2, and two ends of the guide wire 2 respectively extend out of two ends of the catheter 4. Still connect operating handle 8 on the seal wire 2, operating handle 8 is connected respectively at the different both ends of seal wire 2 with foreign matter basket 3, and operating handle 8 and foreign matter basket 3 all extend to outside pipe 4. The operating handle 8 is located at the rear end of the catheter 4 and the foreign-body basket 3 is located at the front end of the catheter 4. The foreign body basket 3 can be contracted to grasp the bladder end of the double J tube with the annular magnet 5 by controlling the operating handle 8, and then the guide wire 2 is pulled outwards, so that the second magnetic part, the first magnetic part and the double J tube 1 can be quickly pulled out of the body of a patient. In order to facilitate the doctor to know the length of the catheter 4 entering the human body and roughly estimate the position of the foreign body basket 3 and the second magnetic member in the human body, a plurality of distance marks 9 are arranged on the outer wall of the catheter 4 at intervals along the length direction of the catheter 4.

A sacculus 12 is arranged on the catheter 4 at a position 1-3 cm away from the front end of the catheter 4, and is an inflatable sacculus. After the catheter 4 is placed into the bladder from the urethra, the inflatable air bag is inflated into the catheter 4 to expand the inflatable air bag, the catheter 4 is pulled outwards after the inflatable air bag is inflated and expanded, the diameter of the inflatable air bag expanded at the front end of the catheter 4 is larger than the pipe diameter of the urethra and is blocked by the urethra and the bladder neck, and at the moment, the front end of the catheter 4 can be positioned beside the ureteral orifice, namely near the end of the double-J-tube bladder. The front end of the catheter 4 is positioned near the bladder end of the double J-tube in advance, the second magnetic piece is convenient to control to find the first magnetic piece and is connected with the first magnetic piece in an attracting mode, the operation range of the catheter 4 in a human body can be reduced, and the operation time is shortened. In order to inflate the inflatable air bag conveniently, an inflatable branch pipe 11 is arranged at the rear end of the conduit 4, and an inflatable rubber head is arranged on the inflatable branch pipe 11. In order to connect the urine bag at the rear end of the catheter 4, the rear end of the catheter 4 is a conical tube, the end with the smaller diameter of the conical tube is connected with the catheter 4 body, and a friction ring is arranged on the inner wall of the conical tube at the rear end of the catheter 4.

As shown in fig. 7 and 8, in order to facilitate the insertion of the catheter into the human body, the catheter is further provided with an inner rubber core 13, and the catheter 4 is straightened by the inner rubber core 13 to facilitate the insertion of the catheter 4 into the human body. The front end of the rubber inner core 13 is a circular arc surface, so that the rubber inner core 13 can be effectively prevented from damaging a human body when advancing in the human body. The rear end of the rubber inner core 13 is provided with a taking-out handle, after the catheter 4 is placed into a human body, the rubber inner core 13 can be taken out by dragging the taking-out handle, and the catheter 4 is left in the human body.

When the double J-shaped tube 1 is taken out of a human body, the guide tube 4 is placed into the human body, the guide wire 2 is placed into the human body along the guide tube 4, one end provided with the columnar magnet 7 faces forwards when the guide wire 2 is placed, the guide wire 2 is controlled to be close to the double J-shaped tube 1, and when the columnar magnet 7 and the annular magnet 5 are close to each other, the columnar magnet 7 and the annular magnet 5 attract each other and are connected together by means of magnetic force. The foreign body basket 3 is controlled to shrink by the operating handle, and the columnar magnet 7 and the annular magnet 5 are grabbed and fixed in the foreign body basket. Then, the guide wire 2 is pulled, and the ring-shaped magnet 5 and the double J-shaped tube 1 can be pulled out of the human body from the catheter 4. Or after the foreign body basket 3 wraps the annular magnet 5 stably, the catheter 4 and the guide wire 2 are pulled at the same time, and the catheter 4, the guide wire 2, the columnar magnet 7, the annular magnet 5 and the double J-shaped tube 1 can be pulled out of the human body at the same time. In the process of removing the double J tube 1, cystoscopy is not needed, the operation steps of the operation of taking out the double J tube 1 are simplified, the action amplitude of the catheter 4 and the guide wire 2 in the human body is smaller, the pain of a patient is relieved, and the cost of the operation of taking out the double J tube 1 is reduced.

As an alternative embodiment, a balloon 12 is arranged on the catheter at a distance of 1-3 cm from the front end of the catheter, the balloon is a water injection balloon, and the balloon is inflated by filling water into the water injection balloon.

As an alternative embodiment, as shown in fig. 5, a ring magnet 5 is fitted around the outside of the end of the double J-tube 1.

As an alternative embodiment, as shown in fig. 6, in order to facilitate the quick positioning of the second magnetic member and the connection with the first magnetic member, a pulling wire 6 is connected to the first magnetic member, and the first magnetic member is connected with the double J-tube 1 through the pulling wire 6. The shape of the first magnetic member may be any shape, and the elliptical magnet 10 is selected as the first magnetic member in this embodiment. In order to avoid that the first magnetic member falls into the urethra during urination. The length of the traction wire 6 can be set to 3cm or 2.5 cm or 2cm or 1.5 cm or 1 cm, in this embodiment, the length of the traction wire is 2 cm.

As an alternative embodiment, the two ends of the double J-tube 1 are provided with first magnetic members, which may be ring magnets 5 fixedly connected inside the double J-tube 1, or ring magnets 5 fixedly sleeved outside the double J-tube 1, or magnets of any shape connected through the pull wire 6.

As an alternative embodiment, the first magnetic member is an iron block, and the second magnetic member is a magnet; or the first magnetic part is a magnet and the second magnetic part is an iron block.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A double J-tube extraction device, comprising:

the first magnetic piece is arranged at least one end of the double J pipe (1);

one end of the guide wire (2) is connected with a second magnetic part, and a foreign body basket (3) is arranged at one end of the guide wire (2) connected with the second magnetic part;

and the catheter (4) is sleeved outside the guide wire (2), and two ends of the guide wire (2) respectively extend out of two ends of the catheter (4).

2. The double-J tube taking-out device as claimed in claim 1, wherein the first magnetic member is a ring-shaped magnet (5), the ring-shaped magnet (5) is fixedly connected with the double-J tube (1), and the ring-shaped magnet (5) is coaxially arranged with the double-J tube (1).

3. The double J-tube extraction device according to claim 2, wherein the ring magnet (5) is fixedly connected inside the double J-tube (1).

4. The double J-tube extraction device according to claim 1, wherein a pull wire (6) is connected to the first magnetic member, and the first magnetic member is connected to the double J-tube (1) through the pull wire (6).

5. The double J-tube retrieval device of claim 4, wherein the pull wire (6) is no greater than 3 centimeters in length.

6. The double-J tube taking-out device according to any one of claims 1 to 5, wherein the second magnetic member is a columnar magnet (7), the columnar magnet (7) is fixedly connected to the end of the guide wire (2), the columnar magnet (7) is coaxially arranged with the guide wire (2), and the foreign body basket (3) is sleeved outside the columnar magnet (7).

7. The double J-tube extraction device according to any one of claims 1 to 5, wherein the outer wall of the catheter (4) is provided with a plurality of distance marks (9) at intervals along the length direction of the catheter (4).

8. The double J-tube extraction device according to any one of claims 1 to 5, wherein an operating handle (8) is further connected to the guide wire (2), and the operating handle (8) and the foreign body basket (3) are respectively connected to different ends of the guide wire (2).

9. The double J-tube extraction device according to any one of claims 1 to 5, wherein the catheter (4) is provided with a balloon (12) at the end from which the foreign-body basket (3) protrudes.