CN110974501B

CN110974501B - Ureteral stent catheter

Info

Publication number: CN110974501B
Application number: CN201911313040.0A
Authority: CN
Inventors: 傅发军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2022-03-01
Anticipated expiration: 2039-12-18
Also published as: CN110974501A

Abstract

The invention relates to the technical field of medical instruments, in particular to a ureteral stent catheter, which comprises a catheter, a bent pipe part, an end part, a protective sealing plate, a perfusion channel, a grasping forceps, a main pipeline, a perfusion pipe, an optical fiber access pipe and a cystoscope, wherein the right end of the catheter is fixedly connected with the left side of the bent pipe part, the right side of the bent pipe part is fixedly communicated with the left side of the end part, a working channel is arranged in the middle of the lower half part of the end part, and an optical fiber channel is arranged in the middle of the upper half part of the end part. The invention achieves the purpose of repeatedly using the shell of the optical fiber mirror after operation, and does not contact with human tissues on the premise of not interfering the optical fiber to generate the operation visual field, thereby being capable of meeting the requirement of disposable use, having low cost and no pollution, and therefore, the optical fiber mirror can be operated continuously without sterilization after operation.

Description

Ureteral stent catheter

Technical Field

The invention relates to the technical field of medical instruments, in particular to a ureteral stent catheter.

Background

Clinically, after operations of ureteral stenosis, blockage, calculus (including renal calculus and the like), and the like, a ureteral stent tube is placed, one end of the ureteral stent tube is placed in a bladder and passes through a ureter, and the other end of the ureteral stent tube is placed in a renal pelvis to play roles of expanding, supporting and draining after the operations. However, the ureteral stent tube placed in a human body needs to be taken out after a certain time, generally the time is about 1-3 weeks, a doctor can judge and determine the taking-out time according to specific conditions, and at present, the ureteral stent tube is taken out mainly through a small operation and under the action of a cystoscope, the ureteral stent tube is taken out through a grasping forceps.

The working channel of the grasping forceps is arranged on the cystoscope (which is integrated with the cystoscope), the grasping forceps enters the bladder through the working channel so as to grasp and take out the ureteral stent, the instruments (the cystoscope and the grasping forceps) are repeatedly used instruments, complete and effective disinfection and sterilization and sterile packaging treatment are required after each use, the operation can be only carried out in an operating room, the price is high, in addition, the operation schedule cannot be continuously carried out because of the requirement of disinfection and sterilization after each use, the operation can be only carried out once in a cystoscope period, and a disposable soft cystoscope is also provided, but the cost is very high.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a ureteral stent catheter, which achieves the aim of repeatedly using an optical fiber scope after operation, and can not contact with human tissues on the premise of not interfering the optical fiber to generate an operation visual field, so that the ureteral stent catheter can meet the requirement of disposable use, has low cost and no pollution, and can be continuously operated after operation without sterilization treatment.

(II) technical scheme

In order to realize the technical problem, the invention provides the following technical scheme: the utility model provides a ureteral stent gets a tub pipe, lets in pipe and cystoscope including pipe, elbow portion, end portion, protection shrouding, perfusion channel, nipper, trunk line, perfusion tube, optic fibre, the right-hand member of pipe and the left side fixed connection of elbow portion, the right side of elbow portion and the fixed intercommunication in end portion's left side, working channel has been seted up to the intermediate position of end portion the latter half, fibre channel has been seted up to the intermediate position of end portion the first half, fibre channel inner wall all around respectively with the fixed connection all around of protection shrouding, perfusion channel has been seted up to one side of end portion, nipper is located working channel's inside.

Furthermore, the elbow part comprises an inner hose, a spring and a protective sleeve layer, the outer side wall of the inner hose is sleeved with the spring, the inner side wall of the spring is fixedly connected with the outer side wall of the inner hose, the inner side wall of the protective sleeve layer is sleeved with the outer side wall of the spring, and two sides of the protective sleeve layer are fixedly connected with one side of the catheter opposite to the end part respectively.

Further, the protection shrouding is the rectangle with fibre channel's shape, the protection shrouding is ya keli transparent construction, be embedded fixed connection between protection shrouding and the fibre channel.

Further, the left end of pipe and the right-hand member of trunk line are fixed the intercommunication, the intermediate position at trunk line top and the fixed intercommunication of one end of filling the pipe, the intermediate position of trunk line bottom and the fixed intercommunication of one end that optic fibre lets in the pipe, it is in the communicating state with filling the pipe to fill the passageway, cystoscope passes through the trunk line and extends to the inside of optic fibre passageway.

(III) advantageous effects

The invention provides a ureteral stent catheter which has the following beneficial effects:

1. according to the invention, due to the arrangement of three independent channels, one perfusion channel, one optical fiber channel and one working channel matched with the grasping of the grasping forceps, and the action of the protective sealing plate, the front end of the optical fiber entering the channel is transparent and sealed, the optical fiber is not prevented from generating an operation visual field, but is not in any contact with human tissues, after the optical fiber endoscope is used, the optical fiber endoscope is taken out without disinfection and sterilization treatment, and can be repeatedly used immediately, and only a new ureteral stent catheter taking catheter and the grasping forceps are replaced, so that the disposable use requirement can be met, the cost price is low, the optical fiber endoscope is mainly not in contact with the human tissues and does not generate pollution, and after the operation, the optical fiber endoscope does not need sterilization treatment and can be continuously operated.

2. According to the invention, due to the arrangement of the main pipeline, the filling pipe and the optical fiber inlet pipe, a three-way pipeline can be formed by combined use of the main pipeline, the filling pipe and the optical fiber inlet pipe, wherein the optical fiber inlet pipe can play a role of fixing an optical fiber mirror, the filling pipe can be conveniently externally connected to a filling liquid container, and the main pipeline can be matched with a working channel to fix the gripping tongs for convenient operation.

3. According to the invention, due to the arrangement of the bent pipe part, the spring in the bent pipe part is matched for use, so that the inner hose can ensure the unobstructed state of an inner channel in the bending process, and the elastic acting force of the spring is utilized, so that the end part is bent to the left or the right relative to the corner of the catheter, the operation visual field is increased, the convenience in operation is improved, and the whole catheter is made of food-grade plastics, has the use requirement of no toxicity and no side effect, and can be used at one time.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic front view of a tip portion of the present invention;

fig. 3 is a schematic cross-sectional view of a curved tube portion of the present invention construction.

In the figure: 1. a conduit; 2. bending the pipe part; 3. a tip portion; 4. a working channel; 5. a fiber channel; 6. a protective seal plate; 7. a perfusion channel; 8. a cystoscope; 9. grasping forceps; 10. a main pipeline; 11. a perfusion tube; 12. an optical fiber access tube; 21. an inner hose; 22. a spring; 23. a protective sheath layer.

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. 1-3, the present invention provides a technical solution: a ureteral stent catheter comprises a catheter 1, a bent tube part 2, a terminal part 3, a protective sealing plate 6, a perfusion channel 7, a grasping forceps 9, a main pipeline 10, a perfusion tube 11, an optical fiber access tube 12 and a cystoscope 8, wherein the right end of the catheter 1 is fixedly connected with the left side of the bent tube part 2, the right side of the bent tube part 2 is fixedly communicated with the left side of the terminal part 3, a working channel 4 is arranged at the middle position of the lower half part of the terminal part 3, an optical fiber channel 5 is arranged at the middle position of the upper half part of the terminal part 3, the periphery of the inner wall of the optical fiber channel 5 is fixedly connected with the periphery of the protective sealing plate 6 respectively, a perfusion channel 7 is arranged at one side of the terminal part 3, and due to the arrangement of three independent channels, one perfusion channel 7, one optical fiber channel 5 and one working channel 4 which is grasped by the grasping forceps 9 are matched with the action of the protective sealing plate 6, the front end of the inlet channel of the optical fiber is transparent and sealed, the optical fiber is not hindered to generate an operation visual field, but does not contact with human tissues, after the optical fiber endoscope is used, the optical fiber endoscope is taken out without disinfection and sterilization treatment, and can be repeatedly used immediately, and only the new ureteral stent catheter taking tube and the grasping forceps 9 are replaced, so that the optical fiber endoscope can meet the requirement of disposable use, is low in cost price, mainly has the advantages that the optical fiber endoscope does not contact with the human tissues, does not generate pollution, and can be continuously operated without the disinfection treatment after the operation.

The elbow part 2 comprises an inner hose 21, a spring 22 and a protective sleeve layer 23, the outer side wall of the inner hose 21 is sleeved with the spring 22, the inner side wall of the spring 22 is fixedly connected with the outer side wall of the inner hose 21, the inner side wall of the protective sleeve layer 23 is sleeved with the outer side wall of the spring 22, two sides of the protective sleeve layer 23 are respectively and fixedly connected with one side of the conduit 1 opposite to the end part 3, due to the arrangement of the elbow part 2, the spring 22 in the bent pipe part 2 is matched for use, so that the inner hose 21 can ensure the unobstructed state of an inner channel in the bending process, the elastic acting force of the spring 22 is utilized, the end part 3 is bent by about 40 degrees relative to the corner of the conduit 1, thereby increasing the operation visual field and improving the convenience in operation, and the whole catheter 1 is made of food grade plastics, has the use requirement of no toxicity and no side effect, and can be used for one time.

The protection closing plate 6 and the optical fiber channel 5 are rectangular, the protection closing plate 6 is of an acrylic transparent structure, the protection closing plate 6 is fixedly connected with the optical fiber channel 5 in an embedded mode, the gripping tongs 9 are located inside the working channel 4, the left end of the catheter 1 is fixedly communicated with the right end of the main pipeline 10, the middle position of the top of the main pipeline 10 is fixedly communicated with one end of the filling pipe 11, the middle position of the bottom of the main pipeline 10 is fixedly communicated with one end of the optical fiber access pipe 12, the filling channel 7 is communicated with the filling pipe 11, and the cystoscope 8 extends into the optical fiber channel 5 through the main pipeline 10. due to the fact that the main pipeline 10, the filling pipe 11 and the optical fiber access pipe 12 are arranged, a three-way pipeline can be formed through combined use of the main pipeline 10, the filling pipe 11 and the optical fiber access pipe 12, and the optical fiber access pipe 12 can play a role in fixing the optical fiber scope, the filling pipe 11 can be conveniently externally connected to a filling liquid container, and the main pipe 10 can be matched with the working channel 4 to fix the nipper for convenient operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ureteral stent gets a tub pipe, includes pipe (1), elbow portion (2), end portion (3), protection shrouding (6), fills passageway (7), nipper (9), trunk line (10), fills pipe (11), optic fibre and lets in pipe (12) and cystoscope (8), its characterized in that: the right end of the catheter (1) is fixedly connected with the left side of the bent pipe part (2), the right side of the bent pipe part (2) is fixedly communicated with the left side of the end part (3), a working channel (4) is arranged in the middle of the lower half part of the end part (3), an optical fiber channel (5) is arranged in the middle of the upper half part of the end part (3), the periphery of the inner wall of the optical fiber channel (5) is fixedly connected with the periphery of the protective sealing plate (6) respectively, a perfusion channel (7) is arranged on one side of the end part (3), and the grasping forceps (9) are positioned inside the working channel (4);

the bent pipe part (2) comprises an inner hose (21), a spring (22) and a protective sleeve layer (23), the outer side wall of the inner hose (21) is sleeved with the spring (22), the inner side wall of the spring (22) is fixedly connected with the outer side wall of the inner hose (21), the inner side wall of the protective sleeve layer (23) is sleeved with the outer side wall of the spring (22), and two sides of the protective sleeve layer (23) are fixedly connected with one side of the catheter (1) opposite to the end part (3) respectively; the protection sealing plate (6) and the optical fiber channel (5) are both rectangular, the protection sealing plate (6) is of an acrylic transparent structure, and the protection sealing plate (6) is fixedly connected with the optical fiber channel (5) in an embedded manner; the left end of pipe (1) and the fixed intercommunication of right-hand member of trunk line (10), the intermediate position at trunk line (10) top and the fixed intercommunication of one end of filling pipe (11), the intermediate position and the fixed intercommunication of one end that optic fibre let in pipe (12) of trunk line (10) bottom, it is in the connected state with filling pipe (11) to fill passageway (7), cystoscope (8) extend to the inside of optic fibre passageway (5) through trunk line (10).