9 results about "Urethral dilators" patented technology

The invention provides a radio frequency ablation electrode for female stress urinary incontinence. The radio frequency ablation electrode comprises a radio frequency ablation electrode needle and an electrode needle guider. The radiofrequency ablation electrode needle comprises a needle rod, a bent section and a sub-needle assembly, wherein the bent section is arranged at the far end of the needle rod and is bent relative to the needle rod, so that the bent section can be inserted into the upper end of the urethra; the sub-needle assembly comprises a plurality of sub-needles which can extend from the tip end of the bent section; the guider upper blade and the guider lower blade of the electrode needle guider can be opened, and a channel is formed between the guider upper blade and the guider lower blade, so that the radiofrequency ablation electrode needle is guided to enter the vagina; a urethral dilator positioning and fixing device is arranged at the near end of the guider upper blade, a vertical through hole is formed in the far end of the guider upper blade, and the bent section can pass through the vertical through hole. The urethra ablation catheter can ablate the female urethra, so that the inner diameter of the urethra in the middle section is reduced, and meanwhile, the middle section of the urethra is lifted towards the pubis direction, so that the purpose of treating female stress urinary incontinence is achieved.

The urethral dilator comprises a main body structure and an incision knife, an incision knife guide rail groove is formed in the surface of the main body structure; an embedding body is arranged at the bottom of the incision knife; the embedded body is embedded into the incision knife guide rail groove, and the incision knife can be pushed and pulled in the direction of the incision knife guide rail groove. The urethral dilator is combined with an incision knife, operation is easy, safety is high, the application scene is wide, a doctor can conduct dilation operation conveniently, and when necessary, the dilation operation can be conducted at the same time to conduct internal incision on a narrow part; the urethral dilator main body structure can be a disposable instrument and is low in price, the incision knife is simple in structure, convenient to clean and capable of being repeatedly used, and the use cost is further reduced through combination of the incision knife and the urethral dilator; moreover, a medical worker can enter a guide wire through the guide wire cavity, the urethral dilator enters the cavity catheter under the guidance of the guide wire, and a contrast agent and a lubricant can be injected into the guide wire cavity, so that the success rate of dilation operation is effectively improved; and the stretching length and the length of an incision part can be conveniently identified, so that urethral dilatation and incision operations can be accurately performed.

The application relates to the field of urethral dilators, and particularly discloses a visual urethral dilator which solves the problems of poor use comfort, easy occurrence of serious urethral false channel complications, inconvenience in uniform urethral dilation and lack of visual function of the prior urethral dilator. The urethral dilator comprises a main pipe rod, an endoscope, a data line, an outer dilating pipe, a water bag layer, a water bag bin, a water storage tray, a water storage bin, a piston, a through hole, a threaded table top, a limiting cylinder, a rotating ring, a circular ring and a connecting column. A driving assembly is arranged on the limiting cylinder. The driving assembly is used for driving the circular ring to move downwards, extruding water in the water storage bin into the water bag bin, and dilating the urethra. A sealing assembly is arranged on the water storage tray. The sealing assembly is used for extruding and sealing or opening the water bag bin in cooperation with the limiting cylinder. A brake assembly is further arranged on the limiting cylinder. The urethral dilator has the visual function, high use comfort, uniform and stable dilation.

1. The name of the design product: urethral dilator (06). 2. The use of the design product: for pet medical and dilate the urethra of pets. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: design 1A part enlarged view is the enlarged view of A part in design 1 perspective view; design 2B part enlarged view is the enlarged view of B part in design 2 perspective view.

The invention relates to the technical field of urethral dilators, and discloses an antibacterial urethral dilator integrated with a super-smooth guide wire guiding and lubricating system. The expansion mechanism is arranged on the handle and used for expanding the urethra, the expansion mechanism comprises a probe, the probe is fixedly connected to the bottom of the handle, the end, away from the handle, of the probe is fixedly connected with a conical head part, and hollow grooves are formed in the inner wall of the probe and the inner wall of the handle. According to the antibacterial urethral dilator integrated with the super-smooth guide wire guiding and lubricating system, the dilation mechanism is arranged, a hollow groove coaxially formed in a handle and the inner wall of a probe is communicated with a side through hole in a conical head piece, and the super-smooth front end of a super-smooth guide wire extends out of a probe path from the side direction and is matched with the scale tail end to monitor the depth in real time; the conical head piece gradually dilates the urethra, integrated coaxial operation of the ultra-smooth guide wire and the probe is achieved, traditional step-by-step displacement and false channel formation are avoided, the urethra stenosis dilation operation is simplified, bleeding and infection risks are remarkably reduced, and the urethra dilator is particularly suitable for tortuous urethra.

1. The name of the design product: urethral dilator (05). 2. The use of the design product: for pet medical and dilate the urethra of pets. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: design 1A part enlarged view is the enlarged view of A part in design 1 perspective view; design 2B part enlarged view is the enlarged view of B part in design 2 perspective view.

The invention discloses a flexible disposable urethral dilator capable of being actively bent, and relates to the technical field of medical instruments, the flexible disposable urethral dilator comprises an intubation tube, one end of the intubation tube is fixedly connected with a connecting ring, the other end of the intubation tube is provided with a plurality of buffer flexible petals, and elastic supporting pieces are fixedly connected among the buffer flexible petals; the symmetrical bending mechanisms are arranged in the cannula of the dilator, the adjusting part is arranged on the outer side of the connecting ring, and when the cannula is inserted into the bent section where the urethra goes deep, the adjusting part can be manually operated to drive the bending mechanisms, so that the bending mechanisms are bent, and then the cannula is driven to be bent; the dilator is made to be attached to the curve of the inner wall of the urethra, dynamic adjustment of the shape of the dilator along with urethra dissection is achieved, rigid friction and insufficient adaptation are avoided, friction and extrusion of the dilator to the side wall of the urethra are reduced, rigid extrusion is completely eradicated, the possibility of unnecessary mucosal injury is reduced, and operation safety is improved.

The invention provides a lubrication type urethral dilator, which relates to the technical field of medical apparatus and instruments, and comprises a connection carrying cylinder and a lubrication structure, an inner cavity is formed in the connecting carrying cylinder, a connecting side strip is fixedly connected in the inner cavity, a lubricating structure is arranged in the inner cavity, the lubricating structure comprises a lubricating liquid barrel fixedly connected to the other end of the connecting side strip, and a liquid storage cavity is formed in the lubricating liquid barrel; the electric push cylinder is fixedly installed in the inner cavity, one end of the electric push cylinder is fixedly connected with a telescopic rod, the telescopic rod penetrates through the lubricating liquid barrel and extends into the liquid storage cavity, through the arrangement of the lubricating structure, stable pressure can be applied to the lubricating liquid in the liquid storage cavity, and then the lubricating liquid evenly and continuously seeps from the liquid drainage holes in the guide head; the problems that a traditional dilator is prone to consumption and insufficient in lubrication due to the fact that lubricating liquid is smeared in advance are thoroughly solved, the lubricating effect of the urethral mucosa and the surface of the dilator is guaranteed in the whole process, friction injuries are remarkably reduced, and the comfort of a patient in an operation is improved.

The utility model relates to the technical field of urological surgery instrument, a visual urethral dilator, including dilating pipe and control handle, control handle installs on the back end of dilating pipe, dilating pipe has the hollow chamber, is equipped with gas passage, water injection channel, image channel and optical fiber channel in dilating pipe, the outer peripheral wall of dilating pipe is provided with at least one dilating sac body of column shape, is equipped with gas outlet on dilating pipe, and the gas outlet is communicated with dilating sac body, the front end of dilating pipe is equipped with imaging lens, and the back end of control handle is equipped with hand -held display assembly, and imaging lens is connected with hand -held display assembly through the data line in image channel, is equipped with venting interface, water injection interface, image interface and light source signal plug on control handle, venting interface is detachably connected with gas supply component, the utility model can realize the visualization of operation area, can adjust the size of dilating sac body through gas, effectively improves the dilating effect of urethral stenosis.