Disposable negative pressure suction cystoscope guide sheath with bendable front end

Abstract

The utility model relates to the technical field of medical instruments, and discloses a disposable front-end bendable negative pressure suction cystoscope guide sheath, which comprises a bladder sheath main body, one side of the bladder sheath main body is fixedly connected with a control handle, the other side of the bladder sheath main body is fixedly connected with a bladder sheath front end, and through the arrangement of a conical head end, the front end of the bladder sheath main body can be bent. The front end of the bladder sheath can be bent, so that the conical head end can be inwards retracted in an arc shape, the tip end is a smooth face, the situation that the bladder urinary membrane is damaged by the conical head end in the operation stirring process can be effectively avoided, and the operation safety of the device is greatly improved. A plurality of side holes are formed in the front end of the bladder sheath, so that on one hand, the device can be flexibly bent according to actual needs, on the other hand, water can be discharged more smoothly, and the practicability of the device is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically a disposable, bendable negative pressure suction cystoscope guide sheath. Background Technology

[0002] Cystoscopic guiding sheaths can be used as auxiliary materials for various procedures under electronic or flexible cystoscopy, such as cystoscopy, transurethral laser resection of bladder tumors, laser lithotripsy for bladder stones, removal of foreign bodies from the bladder, blood clot removal, and urethral protection during transurethral ureteroscopy.

[0003] However, existing bladder sheaths are generally straight in design, which makes them difficult to bend flexibly according to actual needs. Furthermore, the tip of the traditional bladder sheath can easily damage the bladder membrane during surgical manipulation, thus bringing certain adverse effects to the surgery. Utility Model Content

[0004] The purpose of this invention is to provide a disposable, flexible, negative pressure suction cystoscope guide sheath, which solves the problems mentioned in the background art.

[0005] This application provides a disposable flexible negative pressure suction cystoscope guide sheath, including a bladder sheath body. A control handle is fixedly connected to one side of the bladder sheath body, and a bladder sheath front end is fixedly connected to the other side of the bladder sheath body. A tapered head is fixedly connected to one side of the bladder sheath front end. A sealing block is fixedly connected inside the control handle through a locking mechanism. A sheath core with a blunt head is fixedly connected to one side of the sealing block, and a connector is fixedly connected to the other side of the sealing block. A guide wire perforation is opened inside the sheath core.

[0006] By adopting the above technical solution, the conical tip can be curved inward, making the tip a smooth surface. This effectively avoids damage to the bladder membrane during surgical agitation, thus greatly improving the surgical safety of this device.

[0007] Optionally, the locking mechanism includes locking grooves formed on both sides of the inner cavity of the control handle and grooves formed on both sides of the sealing block. A locking spring is fixedly connected to the inner wall of the groove, and a locking plate is fixedly connected to the other end of the locking spring. The end of the locking plate away from the locking spring extends into the interior of the locking groove. A push plate is movably connected to the interior of the locking groove. An unlocking rod is fixedly connected to one end of the push plate, and the other end of the unlocking rod extends to the outside of the control handle.

[0008] By adopting the above technical solution, the device can quickly fix and install the sheath core and the bladder outer sheath body through the locking mechanism, and use the sealing block for sealing treatment, which greatly facilitates the user's disassembly and installation of the sheath core, thereby greatly improving the practicality of the device.

[0009] Optionally, the anterior end of the bladder sheath is a straight sheath-type tube.

[0010] By adopting the above technical solution, the straight sheath can be adapted to most F15-18 soft cystoscopes on the market.

[0011] Optionally, the front end of the bladder sheath is a flexible tube, and the outer surface of the front end of the bladder sheath has multiple side holes, wherein the length of the front end 7 of the bladder sheath is 3cm.

[0012] By adopting the above technical solution, the device can be designed to be flexible at the front end of the bladder sheath, and multiple side holes can be opened at the front end of the bladder sheath. This allows the device to bend flexibly according to actual needs, and also makes the water flow smoother, thus greatly improving the practicality of the device. The front end of the bladder sheath and the main body of the bladder sheath are both composed of an inner tube, a spring set on the outer surface of the inner tube, and an outer tube sleeved on the outside of the spring. The springs on the outer surface of the inner tube at the front end of the bladder sheath are sparsely arranged, while the springs on the outer surface of the inner tube of the main body of the bladder sheath are tightly arranged, so that the front end of the bladder sheath can be passively bent.

[0013] Optionally, a negative pressure connecting tube is fixedly connected to one side of the bladder sheath body, wherein the bladder sheath body and the negative pressure connecting tube form a Y-shaped structure.

[0014] By adopting the above technical solution, the accumulated fluid can be discharged from the body in a timely manner using the negative pressure connection pipe.

[0015] Optionally, the outer surface of the bladder sheath body is provided with a hydrophilic coating.

[0016] By adopting the above technical solution, the smoothness of the main surface of the bladder sheath can be effectively improved by using a hydrophilic coating.

[0017] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows:

[0018] The technical solution of this application sets a conical tip, which can be curved inward, making the tip a smooth surface. This effectively avoids damage to the bladder membrane during surgical agitation, thus greatly improving the surgical safety of this device. In addition, this device can make the front end of the bladder sheath flexible and open multiple side holes at the front end of the bladder sheath. This allows the device to bend flexibly according to actual needs and makes the water flow smoother, thus greatly improving the practicality of this device.

[0019] The technical solution of this application, by setting a sealing block, connector, control handle, locking groove, recess, locking spring, locking plate, push plate and unlocking rod, enables the device to quickly fix and install the sheath core and the bladder outer sheath body through the locking mechanism, and uses the sealing block for sealing treatment, thereby greatly facilitating the user's disassembly and installation of the sheath core, and thus greatly improving the practicality of the device. Attached Figure Description

[0020] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 This is a front view of the entire disposable flexible negative pressure suction cystoscope guide sheath of this utility model;

[0022] Figure 2 This is a schematic diagram of the overall internal structure of the disposable flexible negative pressure suction cystoscope guide sheath of this utility model;

[0023] Figure 3 This utility model provides a disposable, flexible, negative pressure suction cystoscope guide sheath. Figure 2 Enlarged view of point A in the middle.

[0024] In the diagram: 1. Bladder sheath body; 2. Control handle; 3. Connector; 4. Sealing block; 5. Sheath core; 6. Negative pressure connecting tube; 7. Bladder sheath front end; 8. Conical head end; 9. Guide wire perforation; 10. Locking groove; 11. Groove; 12. Locking spring; 13. Locking plate; 14. Push plate; 15. Unlocking rod. Detailed Implementation

[0025] Example

[0026] Please see Figure 1-3This utility model provides a technical solution: a disposable flexible negative pressure suction cystoscope guide sheath, including a bladder sheath body 1, a control handle 2 fixedly connected to one side of the bladder sheath body 1, a bladder sheath front end 7 fixedly connected to the other side of the bladder sheath body 1, a tapered head end 8 fixedly connected to one side of the bladder sheath front end 7, a sealing block 4 fixedly connected inside the control handle 2 through a locking mechanism, a sheath core 5 with a blunt head fixedly connected to one side of the sealing block 4, a connector head 3 fixedly connected to the other side of the sealing block 4, and a guide wire perforation 9 opened inside the sheath core 5.

[0027] By adopting the above technical solution, the conical tip 8 can be curved inward, making the tip a smooth surface. This effectively avoids damage to the bladder membrane caused by the conical tip 8 during surgical agitation, thus greatly improving the surgical safety of this device.

[0028] In the embodiments of this application, such as Figure 2-3 As shown, the locking mechanism includes locking grooves 10 on both sides of the inner cavity of the control handle 2 and recesses 11 on both sides of the sealing block 4. A locking spring 12 is fixedly connected to the inner wall of the recess 11, and a locking plate 13 is fixedly connected to the other end of the locking spring 12. The end of the locking plate 13 away from the locking spring 12 extends into the interior of the locking groove 10. A push plate 14 is movably connected to the interior of the locking groove 10. An unlocking rod 15 is fixedly connected to one end of the push plate 14, and the other end of the unlocking rod 15 extends to the outside of the control handle 2.

[0029] By adopting the above technical solution, the device can quickly fix and install the sheath core 5 and the bladder outer sheath body 1 through the locking mechanism, and use the sealing block 4 for sealing treatment, which greatly facilitates the user's disassembly and installation of the sheath core 5, and thus greatly improves the practicality of the device.

[0030] In the embodiments of this application, such as Figure 1 As shown, the anterior end 7 of the bladder sheath is a straight sheath-type tube.

[0031] By adopting the above technical solution, the straight sheath can be adapted to most F15-18 soft cystoscopes on the market.

[0032] In the embodiments of this application, such as Figure 1 As shown, a negative pressure connecting tube 6 is fixedly connected to one side of the bladder sheath body 1, wherein the bladder sheath body 1 and the negative pressure connecting tube 6 form a Y-shaped structure.

[0033] By adopting the above technical solution, the accumulated fluid can be discharged from the body in a timely manner using the negative pressure connecting pipe 6.

[0034] In the embodiments of this application, such as Figure 1As shown, the outer surface of the bladder sheath body 1 is provided with a hydrophilic coating.

[0035] By adopting the above technical solution, the smoothness of the surface of the bladder sheath body 1 can be effectively improved by using a hydrophilic coating.

[0036] In use, the operator first presses the locking plate 13, causing it to retract into the groove 11 by compressing the locking spring 12. Then, the sealing block 4 and the sheath core 5 are aligned with the inside of the bladder sheath body 1 and inserted. When the sealing block 4 moves the locking plate 13 to the locking groove 10, the sealing block 4 can seal the bladder sheath body 1. At the same time, the locking plate 13 will quickly spring into the locking groove 10 under the elastic action of the locking spring 12, thus quickly fixing the sheath core 5 and the bladder sheath body 1. This greatly facilitates the user's disassembly and installation of the sheath core 5, thereby greatly improving the practicality of the device. Then, the bladder sheath body 1 is inserted into the bladder through the urethra. Because the conical tip 8 can be arc-shaped and retracted, the tip is a smooth surface, which can effectively avoid damage to the bladder membrane during surgical agitation, thus greatly improving the surgical safety of the device.

[0037] Example

[0038] Please see Figure 1-3 This utility model provides a technical solution: a disposable flexible negative pressure suction cystoscope guide sheath, including a bladder sheath body 1, a control handle 2 fixedly connected to one side of the bladder sheath body 1, a bladder sheath front end 7 fixedly connected to the other side of the bladder sheath body 1, a tapered head end 8 fixedly connected to one side of the bladder sheath front end 7, a sealing block 4 fixedly connected inside the control handle 2 through a locking mechanism, a sheath core 5 with a blunt head fixedly connected to one side of the sealing block 4, a connector head 3 fixedly connected to the other side of the sealing block 4, and a guide wire perforation 9 opened inside the sheath core 5.

[0039] By adopting the above technical solution, the conical tip 8 can be curved inward, making the tip a smooth surface. This effectively avoids damage to the bladder membrane caused by the conical tip 8 during surgical agitation, thus greatly improving the surgical safety of this device.

[0040] In the embodiments of this application, such as Figure 2-3 As shown, the locking mechanism includes locking grooves 10 on both sides of the inner cavity of the control handle 2 and recesses 11 on both sides of the sealing block 4. A locking spring 12 is fixedly connected to the inner wall of the recess 11, and a locking plate 13 is fixedly connected to the other end of the locking spring 12. The end of the locking plate 13 away from the locking spring 12 extends into the interior of the locking groove 10. A push plate 14 is movably connected to the interior of the locking groove 10. An unlocking rod 15 is fixedly connected to one end of the push plate 14, and the other end of the unlocking rod 15 extends to the outside of the control handle 2.

[0041] By adopting the above technical solution, the device can quickly fix and install the sheath core 5 and the bladder outer sheath body 1 through the locking mechanism, and use the sealing block 4 for sealing treatment, which greatly facilitates the user's disassembly and installation of the sheath core 5, and thus greatly improves the practicality of the device.

[0042] In the embodiments of this application, such as Figure 2 As shown, the front end 7 of the bladder sheath is a flexible tube, and multiple side holes are opened on the outer surface of the front end 7 of the bladder sheath. The length of the front end 7 of the bladder sheath is 3cm.

[0043] By adopting the above technical solution, the device can make the front end 7 of the bladder sheath bendable and open multiple side holes. This allows the device to bend flexibly according to actual needs and makes the water flow smoother, thus greatly improving the practicality of the device. Both the front end 7 of the bladder sheath and the main body 1 of the bladder sheath are composed of an inner tube, a spring set on the outer surface of the inner tube, and an outer tube sleeved on the outside of the spring. The springs on the outer surface of the inner tube of the front end 7 of the bladder sheath are sparsely arranged, while the springs on the outer surface of the inner tube of the main body 1 of the bladder sheath are tightly arranged, so that the front end 7 of the bladder sheath can be passively bent.

[0044] In the embodiments of this application, such as Figure 1 As shown, a negative pressure connecting tube 6 is fixedly connected to one side of the bladder sheath body 1, wherein the bladder sheath body 1 and the negative pressure connecting tube 6 form a Y-shaped structure.

[0045] By adopting the above technical solution, the accumulated fluid can be discharged from the body in a timely manner using the negative pressure connecting pipe 6.

[0046] In the embodiments of this application, such as Figure 1 As shown, the outer surface of the bladder sheath body 1 is provided with a hydrophilic coating.

[0047] By adopting the above technical solution, the smoothness of the surface of the bladder sheath body 1 can be effectively improved by using a hydrophilic coating.

[0048] In use, the operator first presses the locking plate 13, causing it to retract into the groove 11 by compressing the locking spring 12. Then, the sealing block 4 and the sheath core 5 are inserted into the bladder sheath body 1. When the sealing block 4 moves the locking plate 13 to the locking groove 10, the sealing block 4 seals the bladder sheath body 1. Simultaneously, the locking plate 13 is quickly ejected into the locking groove 10 under the elastic action of the locking spring 12, thus quickly fixing the sheath core 5 and the bladder sheath body 1 in place. This greatly facilitates the disassembly and installation of the sheath core 5, significantly improving the efficiency of the device. The device is practical. Then, the main body 1 of the bladder sheath is inserted into the bladder through the urethra. Because the conical tip 8 can be curved inward, the tip is smooth, which can effectively avoid damage to the bladder membrane during surgical agitation, thus greatly improving the surgical safety of this device. In addition, the device can be designed to be flexible at the front end 7 of the bladder sheath, and multiple side holes are opened at the front end 7 of the bladder sheath. This allows the device to be flexibly bent according to actual needs, and also makes the water flow smoother, thus greatly improving the practicality of this device.

Claims

1. A disposable, pre-curved, negative pressure suction cystoscope guide sheath comprising an extravesical sheath body (1), characterized in that: The side of the bladder outer sheath body (1) is fixedly connected with a control handle (2), the other side of the bladder outer sheath body (1) is fixedly connected with a bladder outer sheath front end (7), one side of the bladder outer sheath front end (7) is fixedly connected with a tapered head end (8), the inside of the control handle (2) is fixedly connected with a sealing block (4) through a locking mechanism, one side of the sealing block (4) is fixedly connected with a blunt round sheath core (5), the other side of the sealing block (4) is fixedly connected with a connector (3), the inside of the sheath core (5) is provided with a guide wire hole (9), the bladder outer sheath front end (7) is a flexible pipeline, the outer surface of the bladder outer sheath front end (7) is provided with a plurality of side holes, the locking mechanism comprises locking grooves (10) provided on both sides of the inner cavity of the control handle (2) and recesses (11) provided on both sides of the sealing block (4), the inner wall of the recess (11) is fixedly connected with a locking spring (12), the other end of the locking spring (12) is fixedly connected with a locking plate (13), the end, away from the locking spring (12), of the locking plate (13) extends into the inside of the locking groove (10), the inside of the locking groove (10) is movably connected with a push plate (14), one end of the push plate (14) is fixedly connected with an unlocking rod (15), the other end of the unlocking rod (15) extends to the outside of the control handle (2).

2. The disposable, flexible, negative pressure, pre-curved, cystoscope guide sheath of claim 1, wherein: The side of the bladder outer sheath body (1) is fixedly connected with a negative pressure connecting pipe (6).

3. The disposable, flexible, negative pressure, pre-curved, cystoscope guide sheath of claim 1, wherein: The outer surface of the bladder outer sheath body (1) is provided with a hydrophilic coating. The outer surface of the bladder outer sheath body (1) is provided with a hydrophilic coating.

Images