CN214912451U

CN214912451U - Built-in expanding device for catheter guidance

Info

Publication number: CN214912451U
Application number: CN202121066854.1U
Authority: CN
Inventors: 吴科荣; 韦航标
Original assignee: Ningbo First Hospital
Current assignee: Ningbo First Hospital
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-30
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a built-in expanding device for catheter guiding, which comprises a catheter, wherein one end of the catheter is provided with a guiding expansion sleeve, the other end of the catheter is provided with an inflatable ball, one side of the inflatable ball, which is close to the catheter, is provided with a fixing band, a first vent groove is arranged inside the side wall of the catheter, a second vent groove is arranged inside the inner wall of the guiding expansion sleeve, and the edge of the bottom of the guiding expansion sleeve is provided with an insert ring; the built-in expanding device for the urethral catheter guiding can support and expand the urethral stricture through the arrangement of the inflatable ball, the first vent groove, the second vent groove, the insert ring, the expanding air bag and the vent pipe, so that the urethral catheter can conveniently penetrate through the stricture; by arranging the miniature camera and the protective lens, the urethra of the patient can be monitored in real time, and the convenience of inserting the catheter by medical personnel is improved; through setting up connecting pipe and snap ring, can reach and make guide expansion sleeve pipe dismouting of being convenient for.

Description

Built-in expanding device for catheter guidance

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a built-in expanding device for catheter guidance.

Background

The catheter is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride, can be inserted into the bladder through the urethra so as to drain urine, after the catheter is inserted into the bladder, an air bag is arranged at the end close to the end of the catheter to fix the catheter to stay in the bladder and not to be easily separated, and the drainage tube is connected with a urine bag to collect urine and is commonly used for assisting patients with urination disorders to urinate.

The prior art has the following defects or problems:

1. the medical technology trade that has now, some serious urinary tract infection patient's lithangiuria often has the urostenosis, narrow department produces the scab because of the damage, scab hardness is greater than the catheter hardness, lead to during soft catheter can't insert the urethra well, finally can only adopt to have the mode of creating to get through the bladder drainage urine of discharging, lack and effectively guide the expanded mechanism to the catheter in narrow department of urethra, led to the fact the infection risk to patient, lead to the fact medical pressure for medical personnel simultaneously:

2. in the insertion process of the existing catheter, medical staff are difficult to peep the insertion condition of the catheter and can only insert the catheter according to medical experience, so that inconvenience is brought to the operation of the medical staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a catheter is led and is used built-in expansion device to the weak point of prior art to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an internal expanding device for catheter guidance comprises a catheter, wherein one end of the catheter is provided with a guide expanding sleeve, the other end of the catheter is provided with an inflatable ball, one side of the inflatable ball close to the catheter is provided with a fixing band, a first vent groove is arranged in the side wall of the catheter, a second vent groove is arranged in the inner wall of the guide expansion sleeve, the edge of the bottom of the guide expansion sleeve is provided with an insert ring, the center of the bottom of the guide expansion sleeve is provided with a connecting pipe, the side wall of the connecting pipe is provided with a snap ring, the upper end of the guide expansion sleeve is provided with a guide head, the side wall of the guide head is provided with an expansion air bag in a penetrating way, the expansion air bag is characterized in that a vent pipe is arranged at the lower end of the expansion air bag, a groove is formed in the side wall of the upper end of the guide expansion sleeve, a miniature camera is arranged in the groove, and a protective lens is arranged at the top of the groove.

As the utility model discloses a preferred technical scheme, guide expansion sleeve pipe and connecting pipe integral type structure, the snap ring cross-section is semi-circular, the snap ring is fixed on the connecting pipe lateral wall, guide expansion sleeve pipe passes through the connecting pipe and pegs graft with the catheter.

As the utility model discloses a preferred technical scheme, the inside cavity of inflatable balloon, the inflatable balloon inner chamber communicates with each other with first air channel, inflatable balloon passes through the fixed band to be fixed and keeps away from the one end of guide expansion sleeve pipe at the catheter.

As the utility model discloses a preferred technical scheme, it is isosceles trapezoid to insert the ring cross-section, the one end and the guide expansion sleeve fixed connection of inserting the ring broad, insert the narrower one end of ring and peg graft with first air channel, insert the inside cavity of ring, first air channel and second air channel are through inserting ring looks UNICOM.

As the utility model discloses an optimized technical scheme, inside miniature camera was fixed in the recess, the protection lens was fixed in the recess top, the protection lens material was clear glass.

As a preferred technical solution of the present invention, the guiding head is a cone with a narrow top and a wide bottom, the guiding expansion sleeve and the guiding head are integrally formed, the guiding head is hollow, and the guiding head is communicated with the inner cavity of the guiding expansion sleeve.

As an optimal technical scheme of the utility model, the expansion gasbag is the ring form, the expansion gasbag material is medical silicon rubber, the expansion gasbag cup joints with the seeker, the inside cavity of expansion gasbag, the expansion gasbag inner chamber communicates with each other through breather pipe and second air channel.

Compared with the prior art, the utility model provides a built-in expanding device is used in catheter guide possesses following beneficial effect:

1. according to the built-in expanding device for urethral catheter guidance, the inflatable ball, the first vent groove, the second vent groove, the inserting ring, the expanding air bag and the vent pipe are arranged, when the urethral catheter is inserted into a narrow urethral part of a patient, the inflatable ball is extruded to fill air into the first vent groove, the inserting ring enables the first vent groove to be communicated with the second vent groove, air enters the expanding air bag through the vent pipe, so that the expanding air bag is expanded, the expanding air bag is used for supporting and expanding the narrow urethral part, the urethral catheter can conveniently penetrate through the narrow part, and the problem that the urethral catheter is difficult to insert is solved;

2. this a built-in expanding device is used in catheter guide, through setting up miniature camera and protective lens, through set up miniature camera on guide expansion sleeve pipe, utilize miniature camera to monitor patient's urethra, insert the in-process at the catheter simultaneously, can carry out the aassessment analysis through the damage condition of miniature camera real-time observation urethra, at the in-process of expansion gasbag expansion, can observe the expansion degree of expansion gasbag according to miniature camera, the convenience is operated according to the urethra actual conditions, medical personnel's convenience of inserting the catheter has been strengthened greatly:

3. this built-in expanding device is used to catheter guide, through setting up connecting pipe and snap ring, through inserting the catheter with the connecting pipe, because the catheter material is medical silicon rubber, the snap ring extrudees to the catheter inner wall and makes it warp, utilizes the snap ring to increase the frictional force of connecting pipe and catheter inner wall, makes connecting pipe and stable grafting of catheter, makes the guide expansion sleeve pipe dismouting of being convenient for, and reuse after convenient cleaning and disinfection reduces the cost waste that disposable caused.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the inner portion of the guide expanding sleeve of the present invention;

FIG. 3 is a schematic view of the structure of the guiding expanding sleeve of the present invention;

fig. 4 is a schematic view of the insert ring connection structure of the present invention.

In the figure: 1. a urinary catheter; 2. guiding the expansion sleeve; 3. inflating the ball; 4. fixing belts; 5. a first vent channel; 6. a second vent groove; 7. inserting a ring; 8. a connecting pipe; 9. a snap ring; 10. a seeker; 11. expanding the balloon; 12. a breather pipe; 13. a groove; 14. a miniature camera; 15. and (5) protecting the lens.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, in this embodiment: the utility model provides a built-in expanding device is used in catheter guide, including

catheter

1, 1 one end of catheter is provided with guide expansion sleeve 2, the 1 other end of catheter is provided with inflatable ball 3, one side that inflatable ball 3 is close to catheter 1 is provided with

fixed band

4, 1 inside first air channel 5 that is provided with of lateral wall of catheter 1, guide expansion sleeve 2 inner wall is inside to be provided with second air channel 6, guide expansion sleeve 2 bottom edge is provided with

insert ring

7, 2 bottom center departments of guide expansion sleeve are provided with connecting

pipe

8, 8 lateral walls of connecting pipe are provided with

snap ring

9, 2 upper ends of guide expansion sleeve are provided with seeker 10, seeker 10 lateral wall runs through and is provided with expansion gasbag 11, expansion gasbag 11 lower extreme is provided with breather pipe 12, the inside recess 13 that is provided with of 2 upper end lateral walls of guide expansion sleeve, the inside miniature camera 14 that is provided with of recess 13, the recess 13 top is provided with protection lens 15.

In the embodiment, the guide expansion sleeve 2 and the connecting pipe 8 are integrally constructed, the section of the clamping ring 9 is semicircular, the clamping ring 9 is fixed on the side wall of the connecting pipe 8, the guide expansion sleeve 2 is inserted into the catheter 1 through the connecting pipe 8, the connecting pipe 8 is used for connecting the catheter 1 with the guide expansion sleeve 2, the friction force between the connecting pipe 8 and the inner wall of the catheter 1 is increased by utilizing the clamping ring 9, the connecting pipe 8 is stably inserted into the catheter 1, the guide expansion sleeve 2 is convenient to disassemble and assemble, and the guide expansion sleeve 2 is convenient to use again after cleaning and disinfection; the interior of the inflatable ball 3 is hollow, the inner cavity of the inflatable ball 3 is communicated with the first air channel 5, the inflatable ball 3 is fixed at one end of the catheter 1 far away from the guide expansion sleeve 2 through a fixing band 4, and air is filled into the first air channel 5 by the inflatable ball 3; the section of the insert ring 7 is isosceles trapezoid, the wider end of the insert ring 7 is fixedly connected with the guide expansion sleeve 2, the narrower end of the insert ring 7 is inserted into the first vent groove 5, the insert ring 7 is hollow, and the first vent groove 5 is communicated with the second vent groove 6 through the insert ring 7 and is used for connecting the first vent groove 5 with the second vent groove 6; inside miniature camera 14 was fixed in recess 13, protective glass piece 15 was fixed in recess 13 top, and protective glass piece 15 material was transparent glass, is convenient for carry out the aassessment analysis through the damage condition of miniature camera 14 real-time observation urethra, and the convenience is operated according to urethra actual conditions: the guide head 10 is in a taper shape with a narrow upper part and a wide lower part, the guide expansion sleeve 2 and the guide head 10 are integrally constructed, the guide head 10 is hollow, and the guide head 10 is communicated with the inner cavity of the guide expansion sleeve 2 and is used for guiding the end part of the guide expansion sleeve 2: the expansion gasbag 11 is circular ring form, and the expansion gasbag 11 material is medical silicon rubber, and expansion gasbag 11 cup joints with

seeker

10, and 11 inside hollows of expansion gasbag, 11 inner chambers of expansion gasbag communicate with each other through breather pipe 12 and second air channel 6, inflates and expands through controlling expansion gasbag 11, utilizes expansion gasbag 11 to support the expansion to the narrow department of urethra, and the catheter 1 of being convenient for passes narrow department.

The utility model discloses a theory of operation and use flow: the user firstly inserts the connecting pipe 8 into the catheter 1, because the catheter 1 is made of medical silicon rubber, the inner wall of the catheter 1 is extruded by the snap ring 9 to deform, the friction force between the connecting pipe 8 and the inner wall of the catheter 1 is increased by the snap ring 9, the connecting pipe 8 is stably inserted into the catheter 1, then the catheter 1 is inserted into the urethra of a patient, then the damage condition of the urethra is observed in real time through the micro camera 14 and evaluated and analyzed, when the catheter 1 is inserted into the narrow urethral part of the patient, the first vent groove 5 is filled with gas through extruding the inflatable ball 3, the first vent groove 5 is communicated with the second vent groove 6 through the insert ring 7, and then the air enters the expansion air bag 11 through the air pipe 12, so that the expansion air bag 11 expands, and then the narrow urethral part is supported and expanded by the expansion air bag 11, and simultaneously in the expansion process of the expansion air bag 11, the degree of expansion of the expansion balloon 11 is observed according to the micro-camera 14, so that the catheter 1 can conveniently pass through the narrow part.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a built-in expanding device is used in catheter guidance which characterized in that: comprises a catheter (1), one end of the catheter (1) is provided with a guide expansion sleeve (2), the other end of the catheter (1) is provided with an inflation ball (3), one side of the inflation ball (3) close to the catheter (1) is provided with a fixing band (4), the inside of the side wall of the catheter (1) is provided with a first vent groove (5), the inside of the inner wall of the guide expansion sleeve (2) is provided with a second vent groove (6), the edge of the bottom of the guide expansion sleeve (2) is provided with an insert ring (7), the center of the bottom of the guide expansion sleeve (2) is provided with a connecting pipe (8), the side wall of the connecting pipe (8) is provided with a snap ring (9), the upper end of the guide expansion sleeve (2) is provided with a guide head (10), the side wall of the guide head (10) is provided with an expansion air bag (11) in a penetrating way, the lower end of the expansion air bag (11) is provided with a vent pipe (12), the guide expansion sleeve pipe (2) upper end lateral wall is inside to be provided with recess (13), recess (13) inside is provided with miniature camera (14), recess (13) top is provided with protective glass piece (15).

2. The catheter guiding internal dilator device according to claim 1, wherein: guide expansion sleeve pipe (2) and connecting pipe (8) integral type structure, snap ring (9) cross-section semicircular in shape, snap ring (9) are fixed on connecting pipe (8) lateral wall, guide expansion sleeve pipe (2) are pegged graft through connecting pipe (8) and catheter (1).

3. The catheter guiding internal dilator device according to claim 1, wherein: the catheter is characterized in that the interior of the inflatable ball (3) is hollow, the inner cavity of the inflatable ball (3) is communicated with the first vent groove (5), and the inflatable ball (3) is fixed at one end, far away from the guide expansion sleeve (2), of the catheter (1) through a fixing band (4).

4. The catheter guiding internal dilator device according to claim 1, wherein: insert ring (7) cross-section and be isosceles trapezoid, insert the one end and the guide expansion sleeve pipe (2) fixed connection of ring (7) broad, insert the narrower one end of ring (7) and peg graft with first air channel (5), insert the inside cavity of ring (7), first air channel (5) and second air channel (6) are through inserting ring (7) looks UNICOM.

5. The catheter guiding internal dilator device according to claim 1, wherein: the miniature camera (14) is fixed in inside recess (13), protection lens (15) are fixed in recess (13) top, protection lens (15) material is transparent glass.

6. The catheter guiding internal dilator device according to claim 1, wherein: the guide head (10) is in a conical shape with a narrow upper part and a wide lower part, the guide expansion sleeve (2) and the guide head (10) are integrally constructed, the guide head (10) is hollow, and the guide head (10) is communicated with the inner cavity of the guide expansion sleeve (2).

7. The catheter guiding internal dilator device according to claim 1, wherein: the expansion air bag (11) is annular, the expansion air bag (11) is made of medical silicon rubber, the expansion air bag (11) is sleeved with the seeker (10), the expansion air bag (11) is hollow, and the inner cavity of the expansion air bag (11) is communicated with the second vent groove (6) through a vent pipe (12).