CN220142393U - Magnetic suction tube drawing device and magnetic suction support sleeving assembly - Google Patents
Magnetic suction tube drawing device and magnetic suction support sleeving assembly Download PDFInfo
- Publication number
- CN220142393U CN220142393U CN202320686873.7U CN202320686873U CN220142393U CN 220142393 U CN220142393 U CN 220142393U CN 202320686873 U CN202320686873 U CN 202320686873U CN 220142393 U CN220142393 U CN 220142393U
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- Prior art keywords
- magnetic
- tube
- outer sheath
- magnetic suction
- locking
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 210000000626 ureter Anatomy 0.000 abstract description 4
- 210000003708 urethra Anatomy 0.000 description 10
- 230000006378 damage Effects 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000010339 dilation Effects 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000036407 pain Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000000916 dilatatory effect Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 206010046454 Urethral injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000002686 lithotriptor Methods 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
Abstract
The utility model provides a magnetic suction tube drawing device and a magnetic suction support sleeving assembly, wherein the magnetic suction support sleeving assembly comprises the magnetic suction tube drawing device and a magnetic suction support, the magnetic suction support comprises a ureter support, a flexible traction wire and a magnetic piece, and the flexible traction wire is used for connecting the ureter support with the magnetic piece so that the magnetic piece can be in a free state; the magnetic suction catheter comprises an outer sheath tube and a magnetic suction catheter, wherein the magnetic suction catheter comprises an expansion tube and a magnetic connecting piece, the expansion tube is suitable for penetrating through the outer sheath tube, the magnetic connecting piece is arranged on the expansion tube, and the magnetic connecting piece is suitable for extending out of the outer sheath tube.
Description
Technical Field
The utility model relates to a ureteral stent, in particular to a magnetic suction tube drawing device and a magnetic suction stent sleeving component.
Background
The ureteral stent has wide application in urological surgery, and is suitable for the treatment process of urinary tract operations such as kidney stones, ureteral stones, kidney transplantation and the like, lithotriptors and lithotriptics and the like. Often ureteral stents must be removed within 1-6 months after implantation in a patient who is being endoscopically extubated in an outpatient operating room. However, the endoscope is a rigid instrument, and the pain and trouble of a patient can be increased by pulling out the tube through the endoscope, especially for men, the rigid endoscope can cause great damage and bleeding to the urethra and the bladder due to the longer and curved urethra of men, and the pain and the probability of urinary system infection of the patient are increased. In addition, after local anesthesia is carried out in an operating room, the ureteral stent is removed by using an endoscope, and the treatment such as postoperative anti-inflammation is added, so that the cost is high, and the economic burden of a patient is increased. So that various magnetic ureteral stents and tube pullers which are free from being pulled out by an endoscope by a magnetic method gradually appear in the market, the magnetic stent product schemes in the market are different, and different tube pullers exist in tube pullers under the condition of free from being used by the endoscope, so that the problem of tube pullers is to be solved. If patent such as the publication number CN201220033517 is granted, the magnetic parts on the ureteral stent are fixed on the stent and are integrated with the stent, and are not in a free state, the magnetic parts on the tube taking device and the magnetic parts on the magnetic ureteral stent can not move and actively be attracted when being close, the difficulty of attracting the stent is increased, the problem that the tube drawing device enters the urethra of a patient for many times can occur, and discomfort or urethral injury are brought to the patient.
In summary, there are many schemes of magnetic ureteral stents and tube pullers for tube drawing by using the magnetic method, and the schemes of magnetic ureteral stents and tube pullers are different, so that different tube drawing problems, such as low tube drawing efficiency, discomfort to a patient, secondary injury to a patient, and the like, exist in tube drawing under the condition of no endoscope.
Disclosure of Invention
In order to solve the problems of low tube drawing efficiency, discomfort of a patient, secondary injury of the patient and the like of a non-endoscope magnetic ureteral stent, the utility model provides a simple, safe and economical magnetic tube drawing device without an endoscope tube drawing, which comprises:
an outer sheath;
the magnetic catheter comprises an expansion pipe and a magnetic connecting piece, wherein the expansion pipe is suitable for penetrating through the outer sheath pipe, the magnetic connecting piece is arranged on the expansion pipe, and the magnetic connecting piece is suitable for extending out of the outer sheath pipe.
In some embodiments, the magnetic catheter hub further comprises a locking member for locking or unlocking the dilating catheter with the outer sheath.
In some embodiments, the first end of the dilation tube forms a tip and the second end is connected to a magnetic connection.
In some embodiments, the section of the dilation tube proximate the magnetic connection forms a bent section.
In some embodiments, the section of the dilating tube near the tip and the surface of the outer sheath each have a scale display region disposed distally from the proximal end
In some embodiments, the locking member comprises a locking cap, a silicone ring, and a locking tab, the locking tab is attached to the proximal end of the outer sheath, the locking cap is locked onto the locking tab, and the silicone ring is mounted outside the locking tab.
In some embodiments, the distal end of the outer sheath is formed at an outer tip that mates with the tip of the dilation tube.
In some embodiments, the outer sheath and the magnetic catheter are both provided with a hydrophilic coating on the outside.
In some embodiments, the magnetic attachment is a magnetic tube disposed concentric with the second end of the expansion tube.
Further, the utility model provides a magnetic suction bracket sleeving assembly, which comprises the magnetic suction tube drawing device and a magnetic suction bracket, wherein the magnetic suction bracket comprises a ureter bracket, a flexible traction wire and a magnetic piece, and the flexible traction wire is used for connecting the ureter bracket with the magnetic piece so that the magnetic piece can be in a free state.
In some embodiments, a through hole is provided in the middle of the magnetic member to facilitate threading of the guide wire.
The tube drawing device provided by the utility model solves the problems that the tube drawing efficiency is low when an endoscope is not used for drawing tubes during treatment, secondary injury to a patient caused by repeated passing of a tube drawing device into and out of the urethra during tube drawing is reduced, and pain of the patient is reduced.
The utility model provides the tube drawing device to enter the urethra to the bladder in a way of establishing a channel through the outer sheath tube, and allows the tube drawing device to repeatedly enter the bladder to perform tube drawing operation under the condition that one tube drawing operation fails.
The tube drawing device provided by the utility model can conveniently, quickly and effectively draw and grasp the magnetic ureteral stent, thereby reducing the treatment time and the treatment pain of patients.
Drawings
FIG. 1 is a schematic structural view of a magnetic bracket provided by the utility model;
FIG. 2 is a schematic diagram of a tube drawing device according to the present utility model;
FIG. 3 is a schematic view of the structure of the stent provided by the present utility model;
FIG. 4 is a schematic view of the structure of the sheath tube according to the present utility model;
FIG. 5 is a schematic view of a stent according to another embodiment of the present utility model;
FIG. 6 is a cross-sectional view of an outer sheath provided by the present utility model;
fig. 7 is a partial enlarged view of fig. 6.
Detailed Description
The utility model or the technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings;
in the description of the present utility model, it should be understood that the terms "front," "rear," "upper," "lower," "far," "near," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted" and "connected" are to be construed broadly, and may be, for example, mechanical or electrical, or may be internal to two elements in communication, or may be directly or indirectly connected through an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to circumstances.
Please refer to fig. 1, this embodiment provides a magnetic support, the magnetic support includes ureteral stent 1, flexible pull wire 2, magnetic part 3, flexible pull wire 2 is connected ureteral stent 1 and magnetic part 3 so that the magnetic part can be in the free state, so, the pull wire of magnetic part at flexible pull wire is in the free state, the magnetic part that is in the free state compare with the magnetic part that directly links to each other with ureteral stent 1, can be initiative with the tube drawing device attracts in order to be sucked outside the body, has improved the accurate rate and the efficiency of pulling out the magnetic support. In some embodiments, a through hole is formed in the middle of the magnetic part, so that the guide wire can conveniently penetrate, and the magnetic part and the ureteral stent are implanted together through the guide wire during implantation. Specifically, the surface of the magnetic part is subjected to corrosion resistance treatment, nickel plating and gold plating treatment, and the end face fillet of the magnetic part is subjected to treatment, so that the scraping feeling of a human body is reduced.
Further, in order to overcome the problems of low tube drawing efficiency, discomfort of a patient, secondary injury of the patient and the like of the non-endoscope magnetic ureteral stent, referring to fig. 2-4, the embodiment provides a magnetic tube drawing device, and the tube drawing device can directly draw out the magnetic stent through a channel established by an outer sheath tube without using an endoscope. Specifically, the magnetic suction catheter device comprises an outer sheath 5 and a magnetic suction catheter 4, wherein the magnetic suction catheter 4 comprises an expansion pipe 41 and a magnetic connecting piece 42, the expansion pipe 41 is suitable for penetrating the outer sheath, the magnetic connecting piece 42 is arranged on the expansion pipe 41, and the magnetic connecting piece 42 is suitable for extending out of the outer sheath 5, so that the magnetic suction catheter has two functions, one of the magnetic suction catheter and the magnetic suction catheter is used as an expander, and the expansion pipe penetrates through the outer sheath to send the outer sheath into a body to establish a channel; secondly, the magnetic suction support is sucked out through the magnetic connecting piece when the magnetic suction support is used as a tube drawing device.
In some preferred embodiments, the dilating tube has opposite first and second ends, the first end forming a tip 43 for facilitating insertion into the sheath tube to perform its dilator function, for facilitating access to the body, such as the urethra, and the second end being connected to a magnetic connector 42, such that the magnetic connector 42 is used for magnetically engaging the stent, the tip 43 of the first end of the magnetically engaging catheter being the initial end into the sheath tube when delivery of the sheath tube into the body is desired, the magnetically engaging catheter being withdrawn after completion of the delivery function, and the magnetic connector 42 of the second end of the magnetically engaging catheter being the initial end into the sheath tube 51 when removal of the magnetically engaging stent is desired, such that the magnetic connector 42 enters into the body through the sheath tube to magnetically engage the magnetically engaging stent.
Specifically, the magnetic attachment 42 is a magnetic tube concentrically disposed with the second end of the expansion tube, so that the magnetic catheter 4 does not interfere with the passage of the guide wire through the magnetic catheter while performing the magnetic function.
In some embodiments, referring to fig. 5, the section of the expansion tube near the magnetic connection element forms a bending section 46, which increases the capturing radius range of the magnetic catheter 4 when rotating in vivo, such as in the bladder, and increases the probability of attracting the magnetic element 3 on the magnetic stent.
In some embodiments, the catheter extractor further comprises a locking element 52 for locking or unlocking the dilating catheter to the outer sheath, which prevents the magnetic catheter from backing up during urethral dilation during insertion into the urethra. The setting forms of the structure are various, for example, locking pieces are correspondingly arranged on the magnetic suction catheter 4 and the outer sheath 5, and the magnetic suction catheter and the outer sheath can be detachably and fixedly connected only so long as the magnetic suction catheter and the outer sheath can be prevented from retreating compared with the outer sheath. Specifically, referring to fig. 6 and 7, the locking member 52 includes a locking cap 521, a silicone ring 522 and a locking joint 523, the silicone ring is tightly disposed on the inner side of the locking joint, the bottom of the silicone ring 522 is in stop fit with a stop ring 5231 disposed on the locking joint 523, the locking cap 521 is screwed onto the locking joint 523, an extrusion tube 5210 is formed on the inner side of the locking cap 521, and the extrusion tube 5210 and the silicone ring 522 are located on the same axis. Locking principle: the locking cap and the locking joint are connected through threads, the extrusion pipe on the inner side of the locking cap is screwed to move towards the silica gel ring 522, the silica gel ring is extruded by the locking cap to deform, the attaching friction between the inner wall of the silica gel inner hole and the outer wall of the magnetic suction catheter is increased after the deformation, and the magnetic suction catheter is locked.
In some embodiments, the corrosion resistant treated surface of the magnetic connector is nickel plated and the magnetic connector head is rounded, reducing resistance to access to the interior of the sheath.
In some embodiments, the section of the dilation tube near the tip and the outer sheath surface each have a scale display area 410,510 disposed distally from the proximal end to facilitate viewing of the depth of insertion by a healthcare worker.
In some embodiments, the distal end of the outer sheath 51 is formed with a mating outer tip 53 at the tip of the stent, which allows for better engagement of the distal end of the outer sheath with the surface of the stent without significant step scraping. Reducing discomfort to the patient during insertion.
In some embodiments, both the outer sheath and the outer side of the magnetic catheter have hydrophilic coatings to reduce discomfort during insertion by the patient.
The utility model provides a magnetic support sleeving component, which comprises the magnetic tube drawing device and a magnetic support, wherein during the tube drawing, a magnetic guide tube is inserted into a bladder through a human urethra, after the magnetic guide tube enters the bladder, the magnetic guide tube is pulled out, then one end with a magnetic connecting piece is inserted into a sheath tube and enters the bladder, and then a locker is locked. The locking device is rotated, the magnetic suction tube drawing device rotates along with the magnetic suction tube drawing device, the magnetic connecting piece on the magnetic suction tube attracts the magnetic piece of the magnetic suction ureteral stent in the rotating process, collision is generated when the two magnetic pieces are attracted, medical staff feel the collision through the magnetic suction tube, the locking device is loosened, the magnetic suction tube is pulled out, and the magnetic suction tube pulls out the magnetic suction ureteral stent.
The tube drawing process provided by the embodiment avoids endoscope tube drawing, and has low operation cost; compared with the endoscope tube drawing equipment, the device has soft quality and reduces the sense of discomfort after operation of patients. The magnetic tube drawing device is provided with an independent tube drawing channel, and can draw tubes for multiple times in one operation.
The tube drawing device provided by the utility model solves the problems that the tube drawing efficiency is low when an endoscope is not used for drawing tubes during treatment, secondary injury to a patient caused by repeated passing of a tube drawing device into and out of the urethra during tube drawing is reduced, and pain of the patient is reduced.
The utility model provides the tube drawing device to enter the urethra to the bladder in a way of establishing a channel through the outer sheath tube, and allows the tube drawing device to repeatedly enter the bladder to perform tube drawing operation under the condition that one tube drawing operation fails.
In the description of the present specification, a description referring to the terms "one embodiment," "some embodiments," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a magnetism pulls out pipe ware which characterized in that, this magnetism pulls out pipe ware includes:
an outer sheath;
the magnetic catheter comprises an expansion pipe and a magnetic connecting piece, wherein the expansion pipe is suitable for penetrating through the outer sheath pipe, the magnetic connecting piece is arranged on the expansion pipe, and the magnetic connecting piece is suitable for extending out of the outer sheath pipe.
2. The magnetic catheter hub of claim 1, further comprising a locking member for locking or unlocking the expansion catheter to the outer sheath.
3. The magnetic catheter hub of claim 1, wherein said expansion tube has a first end defining a tip and a second end coupled to a magnetic coupling.
4. The magnetic catheter hub of claim 1, wherein the section of the extension tube proximate the magnetic connection forms a bent section.
5. The magnetic catheter hub of claim 1, wherein the section of the extension tube proximal to the tip and the outer sheath surface each have a scale display area disposed distally from the proximal end.
6. The magnetic suction tube drawing device according to claim 2, wherein the locking member comprises a locking cap, a silicone ring and a locking joint, the locking joint is connected to the proximal end of the outer sheath tube, the locking cap is locked on the locking joint, and the silicone ring is installed outside the locking joint.
7. The magnetic catheter hub of claim 1, wherein said outer sheath distal end is formed at a mating outer tip of the stent tip.
8. The magnetic tube drawing device according to claim 1, wherein the magnetic connection piece is a magnetic tube concentrically arranged with the second end of the expansion tube.
9. The magnetic suction support suit assembly is characterized by comprising the magnetic suction tube drawing device and the magnetic suction support according to any one of claims 1-8, wherein the magnetic suction support comprises a ureteral support, a flexible traction wire and a magnetic piece, and the flexible traction wire is used for connecting the ureteral support with the magnetic piece so that the magnetic piece can be in a free state.
10. The magnetically attractable bracket assembly of claim 9 wherein a through hole is provided in the middle of the magnetic member to facilitate threading of the guide wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320686873.7U CN220142393U (en) | 2023-03-31 | 2023-03-31 | Magnetic suction tube drawing device and magnetic suction support sleeving assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320686873.7U CN220142393U (en) | 2023-03-31 | 2023-03-31 | Magnetic suction tube drawing device and magnetic suction support sleeving assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220142393U true CN220142393U (en) | 2023-12-08 |
Family
ID=89012545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320686873.7U Active CN220142393U (en) | 2023-03-31 | 2023-03-31 | Magnetic suction tube drawing device and magnetic suction support sleeving assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220142393U (en) |
-
2023
- 2023-03-31 CN CN202320686873.7U patent/CN220142393U/en active Active
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