CN110772706A - Visual adjustable steering catheter - Google Patents

Abstract

The present invention provides a visual adjustable steering catheter, which includes a catheter, a wire channel is provided in the catheter of the catheter; a visual system can be inserted into the urine channel of the catheter, or a visual system is provided in the catheter. Channel, the outer port of the visual channel is set at the non-insertion part of the catheter, the inner port of the visual channel is at the insertion part of the catheter, and the catheter corresponding to the inner port of the visual channel is a transparent window, and the inner port of the visual channel is located at the insertion part of the catheter. A visual system is inserted to allow the operator to observe the process of intubation in real time; the insertion part of the catheter is also provided with a bending and turning area, and the hardness of the catheter in the bending and turning area is smaller than that of other parts of the catheter, and the bending and turning area is distributed along the circumferential direction. In the insertion part of the catheter, the pulling wire is fixed at a preselected position in the bending and turning area, the pulling wire is passed through the pulling wire channel, and the outer opening of the pulling wire channel is arranged on the non-inserting part of the catheter. The above-mentioned visually adjustable steering catheter can avoid the occurrence of mis-insertion of the catheter as much as possible, and can also appropriately change the direction of the insertion end of the catheter.

Description

A visual adjustable steering catheter

technical field

The invention relates to the technical field of urinary catheters, in particular to a visually adjustable steering catheter.

Background technique

In clinical work, there are many cases where patients need to insert a urinary catheter. Such as: patients with various urinary retention, before surgery, bedridden due to various diseases, etc. However, the current catheter insertion method is blind insertion. Whether the catheter enters the bladder, one is to see whether there is urine flowing out, and the other is to judge by experience. The insertion of a urinary catheter may seem simple, but it often causes clinical problems such as hematuria, urethral injury, and catheter insertion failure.

SUMMARY OF THE INVENTION

In order to solve the problems existing in the prior art, the present invention proposes a visually adjustable steering catheter, so as to avoid the occurrence of misinsertion of the catheter as much as possible, and to shorten the time for catheter insertion.

In order to achieve the above purpose, the present invention proposes a visually adjustable steering catheter, including a catheter, wherein the catheter is provided with a urine channel, a flushing channel and a pulling wire channel, and the urine channel has an inner opening of the urine channel. And the inner mouth of the flushing channel of the flushing channel are all arranged on the insertion part of the conduit; the outer mouth of the urine channel of the urine channel and the outer mouth of the flushing channel of the flushing channel are all arranged on the non-insertion portion of the conduit. A visual system can be inserted into the urine channel, or a visual channel is provided in the catheter, the outer port of the visual channel is set at the non-insertion part of the catheter, and the inner part of the visual channel The port is at the insertion portion of the catheter, and a transparent window is located at the catheter corresponding to the inner port of the visual channel, and a visualization system is inserted into the visual channel for the operator to The process of intubation is observed in real time; the insertion part of the catheter is also provided with a bending and turning area, the hardness of the catheter in the bending and turning area is smaller than the hardness of other positions of the catheter, and the bending and turning area is distributed along the circumference of the catheter. The insertion part fixes a pull wire at a preselected position in the bending and turning area, the pull wire passes through the pull wire channel, and the outer opening of the pull wire channel is arranged at the non-insertion part of the catheter.

Preferably, the outer opening of the flushing channel can be closed with a closing cap.

Preferably, the visual system includes a probe rod, the insertion part of the probe rod corresponding to the curved turning area is made of elastic material, a handle is connected to the non-insertion end of the probe rod, The insertion end of the probe rod is provided with a camera and a light source, and the camera is connected with a display device.

Preferably, a transparent protective film is provided at the end face of the insertion end of the probe rod.

Preferably, a knob is provided at the outer opening of the pull wire channel, the pull wire is connected with the knob, and the pull wire can be pulled by rotating the knob.

The beneficial effect of the solution of the present invention is that the above-mentioned visually adjustable steering catheter can not only avoid the occurrence of mis-insertion of the catheter as much as possible, but also shorten the time of catheter insertion, and can also appropriately change the direction of the insertion end of the catheter, In order to meet the needs of intubation and reduce the harm caused to the patient during the intubation process.

Description of drawings

FIG. 1 shows a schematic structural diagram of the visually adjustable steering catheter according to the present invention.

Fig. 2 shows another structural schematic diagram of the visually adjustable steering catheter according to the present invention.

FIG. 3 shows a schematic structural diagram of the visual system involved in the present invention.

FIG. 4 shows a schematic diagram of a partial structure of FIG. 3 .

Reference numerals: 1-catheter, 2-urine channel, 21-urine channel inner opening, 22-urine channel outer opening, 3-flushing channel, 31-flushing channel inner opening, 32-flushing channel outer Port, 33-Closing Cap, 5-Visible Channel, 51-Probe Rod, 52-Camera, 53-Light Source, 54-Handle, 6-Cable Channel, 7-Cable, 8-Bend Turning Area, 9-Transparent Window, 10 - Knob.

Detailed ways

The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

As shown in Figures 1-4, the visual adjustable steering catheter according to the present invention includes a catheter 1, and the catheter 1 is provided with a urine channel 2, a flushing channel 3 and a pulling wire channel 6. The urine channel The inner port 21 of the urine channel of 2 and the inner port 31 of the flushing channel 3 of the flushing channel 3 are all arranged at the insertion portion of the catheter 1; The outer openings 32 of the flushing channel are all disposed at the non-insertion portion of the conduit 1 , and the outer openings 32 of the flushing channel can also be closed with a closing cap 33 . The urine channel 2 is used to export the urine in the bladder, the urine enters the urine channel 2 from the inner port 21 of the urine channel, and is discharged from the patient's body through the outer port 22 of the urine channel; the flushing channel 3 is used for Physiological saline is injected into the patient's body, and after the physiological saline enters the flushing channel 3 from the outer opening 32 of the flushing channel, it enters the patient's body through the inner opening 31 of the flushing channel.

In order to realize the visualization of the cannula, a visual system can be inserted into the urine channel 2 , or a visual channel 5 is provided in the catheter 1 , and the outer opening of the visual channel 5 is arranged on the non-contact surface of the catheter 1 . The insertion part, the inner opening of the visual channel 5 is at the insertion part of the catheter 1, and a transparent window 9 is located at the catheter 1 corresponding to the inner opening of the visual channel 5, and the visible channel 5 A visualization system is inserted so that the intubation process can be filmed in real time.

The visual system includes a probe rod 51, the probe rod 51 can be made of elastic material, such as silica gel, a handle 54 is connected to the non-insertion end of the probe rod 51, and a handle 54 is connected to the insertion end of the probe rod 51. There are a camera 52 and a light source 53. The camera 52 is connected to a display device. The specific display device can be a mobile phone or a computer monitor. The camera 52 and the display device can use wired or wireless information transmission methods. The insertion part of the probe rod 51 is provided with a first fixing device, and the urine channel 2 or the visual channel 5 is provided with a second fixing device used in cooperation with the first fixing device, such as the first fixing device. The fixing device and the second fixing device can adopt the fixing method of a card slot and a buckle. When the probe rod 51 is inserted into the urine channel 2 or the visual channel 5, the buckle can be inserted into the card slot, so that the probe rod 51 is connected to the urine channel. 2 or the relative position of the visual channel 5 is kept fixed, and after the cannulation is completed, the clip can be pulled out from the slot by external force, thereby pulling out the probe rod 51 . The end face of the insertion end of the probe rod 51 according to the present invention is provided with a transparent protective film.

The insertion part of the catheter 1 involved in the present invention may further be provided with a curved turning area 8 with a preset length, the hardness of the catheter in the curved turning area 8 is smaller than that of other positions of the catheter 1, and the catheter in the curved turning area 8 is similar to The catheters at other positions can be made of silica gel with different hardness, the curved turning area 8 can be distributed along the circumferential direction on the insertion part of the catheter 1, and the pull wire 7 is fixed at the preselected position of the curved turning area 8, and the pulling wire 7 Pass through the pull wire channel 6 , and the outer opening of the pull wire channel 6 is arranged at the non-insertion part of the catheter 1 . The part of the insertion part of the probe rod 51 involved in the present invention corresponding to the bending and turning region 8 is made of elastic material, such as silica gel or the like. By pulling the pull wire 7, the direction of the insertion end of the catheter 1 can be appropriately changed to meet the needs of intubation. Specifically, an external thread may be provided at the outer opening of the pull wire channel 6 , the knob 10 is threadedly connected to the pull wire channel 6 , the pull wire 7 is connected to the knob 10 , and the pull wire 7 can be pulled by rotating the knob 10 . , and then change the direction of the insertion end of the catheter 1 .

The visual adjustable steering catheter of the present invention can not only avoid the occurrence of misinsertion of the catheter as much as possible, but also can shorten the time of intubation, and can also appropriately change the direction of the insertion end of the catheter to meet the needs of intubation , reduce the injury to the patient during intubation.

Claims (5)

1. a visible adjustable steering catheter, is characterized in that: comprise catheter, described catheter is provided with urine passage, flushing passage and pull-wire passage, the urine passage inner mouth and flushing of described urine passage The inner opening of the flushing channel of the channel is all arranged on the insertion part of the catheter; the outer opening of the urine channel of the urine channel and the outer opening of the flushing channel of the flushing channel are all arranged at the non-inserting part of the catheter; A visual system can be inserted into the urine channel, or a visual channel is provided in the catheter, the outer opening of the visual channel is provided at the non-insertion part of the catheter, and the inner opening of the visual channel is located at the non-insertion part of the catheter. The insertion part of the catheter is a transparent window at the catheter corresponding to the inner opening of the visual channel, and a visual system is inserted into the visual channel, and the visual system is used for the operator to observe the plug in real time. The insertion part of the catheter is also provided with a bending and turning area, the hardness of the catheter in the bending and turning area is smaller than the hardness of other positions of the catheter, and the bending and turning area is distributed along the circumferential direction in the insertion part of the catheter, A puller wire is fixed at a preselected position in the curved turning area, the puller wire passes through the puller wire channel, and the outer opening of the puller wire channel is provided at the non-insertion portion of the catheter. 2 . The visually adjustable steering catheter according to claim 1 , wherein the outer opening of the flushing channel can be closed with a sealing cap. 3 . 3. The visual adjustable steering catheter according to claim 1, characterized in that: the visual system comprises a probe rod, and the part corresponding to the insertion part of the probe rod and the curved diversion area adopts an elastic material The non-insertion end of the probe rod is connected with a handle, the insertion end of the probe rod is provided with a camera and a light source, and the camera is connected with a display device. 4 . The visually adjustable steering catheter according to claim 3 , wherein a transparent protective film is provided at the end face of the insertion end of the probe rod. 5 . 5. The visible adjustable steering catheter according to claim 1, characterized in that: a knob is provided at the outer opening of the pull wire channel, the pull wire is connected with the knob, and the pull wire can be pulled by rotating the knob .

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