CN220898894U - Female ureteral stent tube take-out device - Google Patents

Abstract

The utility model discloses a female ureteral stent tube taking-out device, which relates to the technical field of medical appliances, and has the technical scheme that: the device comprises a sheath tube and a sleeve connected with the end part of the sheath tube, wherein a strip-shaped through hole is formed in the side wall of the sleeve, a movable plate which is connected with the inner side wall of the sleeve in a sliding manner is arranged in the sleeve, and one side wall of the movable plate penetrates through the strip-shaped through hole and is fixedly provided with a handle; the movable plate is connected with a core rod in a rotating mode on the side wall, close to the sheath, of the movable plate, one end, far away from the movable plate, of the core rod penetrates through the sheath and is provided with a plurality of threading threads, an annular plate is fixedly arranged on the inner side wall of the sleeve, a rack is arranged on the inner side wall of the annular plate, and a transmission structure is arranged between the annular plate and the core rod. The device is convenient for medical staff to operate, can greatly alleviate the uncomfortable sense that the patient produced in the treatment, and the mantle fiber can shrink in step when rotating the mantle fiber and taking the support pipe, has avoided the mantle fiber to take the circumstances that produces the slippage after the production, has improved medical staff's work efficiency.

Description

Female ureteral stent tube take-out device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a female ureteral stent tube taking-out device.

Background

Ureteral stent is a medical instrument, it is very extensive to use in the urological surgery, at kidney stone, ureteral calculus, hydronephrosis, kidney transplantation, kidney and ureteral tumor, ureteral stenosis etc. postoperative, all conventional keep somewhere ureteral stent to support the ureter and promote urine to discharge, according to patient's circumstances, ureteral stent can keep somewhere for a short time or keep somewhere for a long time, but need periodic inspection and change or demolish the stent according to the circumstances, at present most is through endoscope and foreign matter pincers with the stent take out, the flow is loaded down with trivial details, must use professional equipment simultaneously, and hospital patient number is many, there is the equipment to be taken up and lead to the condition that can not in time help the patient take out ureteral stent.

In the prior art, some ureteral stent tube removing devices for replacing special equipment are also proposed, for example, chinese patent application (CN 209827117U) discloses a ureteral stent removing device, which delivers a cannula into the inside of a urethra, and a sliding button is provided on the side wall of the cannula, and the push button can push a wire loop out of the cannula, and simultaneously rotate the cannula to wind with the ureteral stent tube located in the urethra, and then withdraw the ureteral stent tube by pulling out the cannula body.

However, when the device is used by medical staff, the whole device is required to be held by hand and rotated to sleeve the stent tube, so that the operation is very inconvenient, meanwhile, the whole device rotates in the urethra to cause strong uncomfortable feeling of a patient, and the wire loop cannot shrink when the stent tube is sleeved, so that the slipping condition is easy to occur, repeated sleeve is required for many times, the workload of the medical staff is increased, and the working efficiency is reduced.

Therefore, based on the above-mentioned problems, and considering the short urethra and easy removal of female patients, the applicant has provided a female ureteral stent tube removal device.

Disclosure of utility model

The utility model aims to provide a female ureteral stent tube taking-out device which is convenient for medical staff to operate, can greatly lighten uncomfortable feeling of a patient in the treatment process, can synchronously shrink when a sleeve wire rotates to sleeve a stent tube, avoids the slipping after sleeve, improves the working efficiency of the medical staff, and realizes the function of blindly taking out the stent tube without an endoscope.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a female ureteral stent tube extraction device, includes sheath pipe and the sleeve pipe of being connected with its tip, the bar through-hole has been seted up on the lateral wall of sleeve pipe, be equipped with the fly leaf of its inside wall sliding connection in the sleeve pipe, a lateral wall of fly leaf passes the bar through-hole and fixedly is equipped with the handle, be equipped with the spring on the lateral wall that the fly leaf kept away from the sheath pipe, the tip that the spring kept away from the fly leaf is fixedly connected with the inside wall of sleeve pipe; the movable plate is connected with a core rod in a rotating way on the side wall close to the sheath tube, one end of the core rod, far away from the movable plate, penetrates through the sheath tube and is provided with a plurality of threading, the inner side wall of the sleeve is fixedly provided with an annular plate, the annular plate is horizontally arranged and positioned on one side, close to the sheath tube, of the movable plate, a rack is arranged on one inner side wall of the annular plate, and a transmission structure is arranged between the annular plate and the core rod;

The transmission structure comprises a first conical gear, a second conical gear, a transmission rod, a limiting plate and a spur gear, wherein two ends of the transmission rod are fixedly connected with the second conical gear and the spur gear respectively, the spur gear is meshed with the rack, the first conical gear is fixedly sleeved on the core rod and meshed with the second conical gear, the limiting plate is movably sleeved on the side wall of the transmission rod, and the end part of the limiting plate is fixedly connected with the side wall of the movable plate.

Through adopting above-mentioned technical scheme, rotate on the movable plate is close to the lateral wall of sheath pipe and be connected with the core bar, the core bar is kept away from the one end of movable plate and is passed the sheath pipe and be provided with many mantle fiber for the ureteral stent pipe is got to the cover, telescopic inside wall fixed mounting has the annular plate, fixedly connected with makes core bar pivoted transmission structure between annular plate and the core bar, make the movable plate remove to the direction of keeping away from the sheath pipe through pulling handle, the movable plate drives the core bar and makes mantle fiber by shrink, transmission structure drives the core bar simultaneously and rotates, and then the core bar drives mantle fiber rotation and is used for the mantle fiber to get ureteral stent pipe, the condition that needs rotate whole device and arouse the patient uncomfortable appears in the treatment, and mantle fiber rotation mantle fiber can realize synchronous shrink when getting the stent pipe, prevent to get back and produce the slippage once more, medical staff's work efficiency has been improved.

The utility model is further provided with: and a marking line is arranged on the side wall of the sleeve.

Through adopting above-mentioned technical scheme, be provided with the mark line on the sheathed tube lateral wall, can be accurate observe the mark line that corresponds when the handle removes for the sleeve pipe, can judge the current state of turning of mantle fiber according to the mark line that corresponds of handle.

The utility model is further provided with: the surface of the mantle fiber is coated with an anti-slip coating.

Through adopting above-mentioned technical scheme, scribble anti-skidding coating on the surface of mantle fiber, frictional force between the two can be increased when the ureteral stent tube is got to the mantle fiber, the condition of stent tube slippage appears in the prevention of taking the in-process.

The utility model is further provided with: the end of the sheath tube far away from the sleeve is blunt.

By adopting the technical scheme, the shape of the end part of the sheath tube far away from the sleeve is set to be blunt, so that the sheath tube can be easily placed into the bladder of a patient through the urethra, and the comfort of the patient in the treatment process is improved.

The utility model is further provided with: finger rings are arranged at both ends of the handle and on the outer side wall of the sleeve, which is far away from the sheath, respectively.

Through adopting above-mentioned technical scheme, all fixed being provided with the ring on the lateral wall that sheath was kept away from to both ends and the sleeve pipe of handle can guide medical staff correctly to operate the device, makes the device better by fixing in medical staff's hand simultaneously, prevents the device slippage when the operation, avoids causing the secondary injury to the patient.

In summary, the utility model has the following beneficial effects:

1. The movable plate is rotationally connected with the core bar on the side wall close to the sheath tube, one end of the core bar, which is far away from the movable plate, passes through the sheath tube and is provided with a plurality of threading wires for sleeving the ureteral stent tube, the annular plate is fixedly arranged on the inner side wall of the sleeve, a transmission structure which enables the core bar to rotate is fixedly connected between the annular plate and the core bar, the movable plate is enabled to move towards the direction far away from the sheath tube by pulling the handle, the movable plate drives the core bar to enable the threading wires to be contracted, and meanwhile, the transmission structure drives the core bar to rotate, and then the core bar drives the threading wires to rotate for sleeving the ureteral stent tube, so that the condition that the whole device is required to rotate to cause discomfort of a patient in the treatment process is avoided, synchronous contraction can be realized when the threading wires rotate to sleeving the ureteral stent tube, slipping is prevented from being generated again after sleeving, and the working efficiency of medical staff is improved;

2. The side wall of the sleeve is provided with the marking line, so that the marking line corresponding to the handle when moving relative to the sleeve can be accurately observed, and the current state of threading can be judged according to the marking line corresponding to the handle;

3. The surface of the threading is coated with an anti-slip coating, so that the friction force between the threading and the ureteral stent tube can be increased when the ureteral stent tube is taken out, and the slipping of the stent tube in the taking process is prevented;

4. The shape of the end part of the sheath tube far away from the sleeve is a blunt head shape, so that the sheath tube can be easily placed into the bladder of a patient through the urethra, and the comfort of the patient in the treatment process is improved;

5. The finger rings are fixedly arranged on the two ends of the handle and the outer side wall of the sleeve, which is far away from the sheath, so that medical staff can be guided to operate the device correctly, and meanwhile, the device is better fixed in the hands of the medical staff, so that the device is prevented from slipping off during operation, and secondary injury to a patient is avoided.

Drawings

Fig. 1 is a schematic view showing the appearance of a female ureteral stent tube removing device according to an embodiment of the present utility model;

Fig. 2 is a cross-sectional view of a female ureteral stent tube removal device according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of the mobile plate at A-A in FIG. 2.

In the figure: 1. a sheath; 2. a sleeve; 3. a bar-shaped through hole; 4. a handle; 5. a finger ring; 6. a core bar; 7. threading; 8. a movable plate; 9. a limiting plate; 10. an annular plate; 11. a first conical gear; 12. a second bevel gear; 13. a transmission rod; 14. spur gears; 15. marking lines; 16. a rack.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

Examples: the device for taking out the female ureteral stent tube comprises a sheath tube 1 and a sleeve tube 2 fixedly connected to the right end part of the sheath tube, wherein a strip-shaped through hole 3 is formed in the side wall of the sleeve tube 2, a movable plate 8 is slidably connected with the inner side wall of the sleeve tube 2, one side wall of the movable plate 8 penetrates through the strip-shaped through hole 3 and is fixedly connected with a handle 4, a spring is fixedly arranged on the side wall, far away from the sheath tube 1, of the movable plate 8, and the end part, far away from the movable plate 8, of the spring is fixedly connected with the inner side wall of the sleeve tube 2; the movable plate 8 is close to the side wall of the sheath tube 1 and is in bearing connection with the core bar 6, one end of the core bar 6, far from the movable plate 8, penetrates through the sheath tube 1 and is provided with four arc-shaped metal sleeve wires 7 with tension, as shown in fig. 1, the four metal sleeve wires 7 are connected in a pair by pair mode to form a cross, the annular plate 10 is fixedly connected to the inner side wall of the sleeve 2, the annular plate 10 is horizontally arranged and is positioned on one side, close to the sheath tube 1, of the movable plate 8, a rack 16 is arranged on one inner side wall of the annular plate 10, and a transmission structure is fixedly connected between the annular plate 10 and the core bar 6;

The transmission structure comprises a first conical gear 11, a second conical gear 12, a transmission rod 13, a limiting plate 9 and a spur gear 14, wherein two ends of the transmission rod 13 are fixedly connected with the second conical gear 12 and the spur gear 14 respectively, the spur gear 14 is meshed with a rack 16, the first conical gear 11 is fixedly sleeved on the core rod 6 and meshed with the second conical gear 12, the limiting plate 9 is movably sleeved on the side wall of the transmission rod 13, and the end part of the limiting plate 9 is fixedly connected with the side wall of the movable plate 8.

In this embodiment, preferably, the side wall of the sleeve 2 is provided with a marking line 15, the marking line 15 corresponding to the handle 4 after the mantle fiber 7 is sleeved on the stent tube is set as a marking line one, when the mantle fiber 7 is used for sleeving the stent tube, the handle 4 is pulled backwards to the maximum limit, at this time, the marking line 15 corresponding to the handle 4 is set as the marking line one, which represents that the mantle fiber 7 successfully sleeves the stent tube, otherwise, the stent tube is not sleeved.

In this embodiment, preferably, the surface of the mantle fiber 7 is coated with a biomedical functional ceramic coating, has affinity to organisms, is suitable for safe use in vivo, has a rough surface, and can increase friction force when the ureteral stent tube is sleeved.

In this embodiment, the end of the sheath tube 1 far away from the sleeve tube 2 is preferably blunt, so that the sheath tube 1 can be easily placed into the bladder of a patient through the urethra, and the comfort of the patient in the treatment process is improved.

In this embodiment, preferably, the two ends of the handle 4 and the outer side wall of the sleeve 2 away from the sheath tube 1 are provided with finger rings 5, which can guide medical staff to operate the device correctly, and simultaneously make the device be fixed in the hands of the medical staff better.

Working principle: when the device is used, medical staff respectively put an index finger and a middle finger into two finger rings 5 of a handle 4, thumb is put into the finger rings 5 at the right end part of a sleeve pipe 2, then a sheath pipe 1 is put into a bladder of a patient through urethra, the handle 4 is pulled back through the index finger and the middle finger in the right direction of the sleeve pipe 2, one side wall of a movable plate 8 penetrates through a strip-shaped through hole 3 and is fixedly connected with the handle 4, so that the movable plate 8 is driven to move towards the right direction of the sleeve pipe 2 and simultaneously presses a spring, the movable plate 8 is close to the side wall of the sheath pipe 1 and is in bearing connection with a core rod 6, the core rod 6 is retracted towards the direction of the sheath pipe 1, a sleeve wire 7 is contracted into the sleeve pipe 1 and a ureteral stent tube is fixed, meanwhile, a limiting plate 9 is fixedly installed on the side wall of the movable plate 8, a transmission rod 13 is movably sleeved on one side of the limiting plate 9, a spur gear 14 is fixedly installed on one side inner ring of an annular plate 10 fixedly connected with the inner side of the sleeve pipe 2, a rack 16 matched with the spur gear 14 is fixedly installed on the inner ring of the side of the spur gear 14, the movable plate 8 is driven by displacement of the spur gear 14 and the rack 16 to drive the transmission rod 13 to rotate, and the transmission rod 6 is driven by the displacement, and the spur gear 6 to rotate in the direction, and the conical gear 6 drives the transmission rod 6 to rotate in the direction, and the inner part of the sleeve wire 7 can rotate in the ureteral stent; under the condition that the stent tube is not sleeved, the handle 4 is loosened, the core bar 6 can extend out of the sheath tube 1 to expand the mantle fiber 7 again due to the reaction force generated by the pressing of the spring, so that medical staff can conveniently sleeve the stent tube again, and after the sleeve is successful, the device is slowly pulled to enable the mantle fiber 7 to sleeve the stent tube and be taken out of the urethra; meanwhile, the device can fully retract the mantle fiber 7 into the sheath tube 1 under the condition that the stent tube is not sleeved, so that the pulling handle 4 can prop against the rightmost side of the strip-shaped through hole 3, the device cannot fully retract the mantle fiber 7 into the sheath tube 1 under the condition that the stent tube is sleeved, the pulling handle 4 cannot prop against the rightmost side of the strip-shaped through hole 3, and meanwhile, the state of the mantle fiber 7 can be judged by observing the marking line 15 corresponding to the handle 4, so that whether the ureteral stent is sleeved or not can be known without observing the inside of the bladder, and the function of taking the stent tube without an endoscope blindly is realized.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (5)

1. The utility model provides a female ureteral stent tube extraction device, includes sheath pipe (1) and rather than end connection's sleeve pipe (2), bar through-hole (3), characterized by have been seted up on the lateral wall of sleeve pipe (2): a movable plate (8) which is in sliding connection with the inner side wall of the sleeve (2) is arranged in the sleeve (2), one side wall of the movable plate (8) penetrates through the strip-shaped through hole (3) and is fixedly provided with a handle (4), a spring is arranged on the side wall, far away from the sheath tube (1), of the movable plate (8), and the end, far away from the movable plate (8), of the spring is fixedly connected with the inner side wall of the sleeve (2); the movable plate (8) is rotationally connected with a core bar (6) on the side wall, close to the sheath tube (1), one end, far away from the movable plate (8), of the core bar (6) penetrates through the sheath tube (1) and is provided with a plurality of threading wires (7), an annular plate (10) is fixedly arranged on the inner side wall of the sleeve (2), the annular plate (10) is horizontally arranged and positioned on one side, close to the sheath tube (1), of the movable plate (8), a rack (16) is arranged on one inner side wall of the annular plate (10), and a transmission structure is arranged between the annular plate (10) and the core bar (6);

The transmission structure comprises a first conical gear (11), a second conical gear (12), a transmission rod (13), a limiting plate (9) and a spur gear (14), wherein two ends of the transmission rod (13) are fixedly connected with the second conical gear (12) and the spur gear (14) respectively, the spur gear (14) is meshed with a rack (16), the first conical gear (11) is fixedly sleeved on a core rod (6) and meshed with the second conical gear (12), the limiting plate (9) is movably sleeved on the side wall of the transmission rod (13), and the end part of the limiting plate (9) is fixedly connected with the side wall of the movable plate (8).

2. The female ureteral stent tube removal device as claimed in claim 1, wherein: the side wall of the sleeve (2) is provided with a marking line (15).

3. The female ureteral stent tube removal device as claimed in claim 1, wherein: the surface of the mantle fiber (7) is coated with an anti-slip coating.

4. The female ureteral stent tube removal device as claimed in claim 1, wherein: the end of the sheath tube (1) far away from the sleeve tube (2) is blunt.

5. The female ureteral stent tube removal device as claimed in claim 1, wherein: both ends of the handle (4) and the outer side wall of the sleeve (2) far away from the sheath tube (1) are respectively provided with a finger ring (5).