CN108721760A - A kind of urological surgery urethral catheterization device - Google Patents

Abstract

The invention discloses a catheterization device for urological surgery, which relates to the technical field of urological surgery. It includes a catheter head and a catheter; the outer upper part of the catheter is sleeved with a positioning air bag; the lower end of the catheter is connected to a connecting tube; the side of the connecting tube is connected to a syringe; the positioning air bag is connected to an inflatable tube; The end of the tube is sealed and communicated with the syringe output port; the catheter head is provided with a control air bag; the lower end of the control air bag is connected with an air guide tube; the side of the catheter head is evenly opened with catheter holes; the outer side of the control air bag has a vertical drainage groove; the drainage groove is connected with the urinary catheter; the lower end of the drainage groove is connected with a catheter; the catheter is sealed and penetrates into the airway tube, and is sealed and pierced from the side of the lower part of the airway tube, and communicated with a liquid storage bag. The beneficial effect of the present invention is: through directional filling of lubricating oil, sufficient lubricating fluid can be ensured on the turning contact force surface, and the urethra can pass through the bend of the urethra more smoothly, reducing the pain and discomfort of patients.

Description

Urinary catheterization device for urological surgery

technical field

The invention relates to the technical field of urology.

Background technique

When performing catheterization work on urological patients, the catheterization device is used to connect with the patient's body to achieve catheterization. However, in the process of the catheter entering the body, such as in the male urethra, there is a bend position, and when the catheter head or catheter passes through this bend, it cannot pass smoothly, causing pain and discomfort, which is harmful to catheterization. The placement of the device is troublesome, and conventional catheterization devices do not solve this problem.

Contents of the invention

The technical problem to be solved by the present invention is to provide a urinary catheterization device for urological surgery aiming at the above technical deficiencies. Through directional filling of lubricating oil, it is ensured that there is sufficient lubricating fluid on the contact surface of the turning contact, and it can pass through the bend of the urethra more smoothly, reducing the pain and discomfort of the patient.

The technical solution adopted by the present invention is: to provide a urinary catheterization device for urological surgery, including a catheter head and a catheter; the section of the catheter head is "C"-shaped, and the gap is downward; The upper end of the tube is sealed and connected, and the outer middle part of the catheter head is fixedly connected with the end of the catheter; the outer upper part of the catheter is sleeved with a positioning air bag; the lower end of the catheter is connected with a connecting tube; the side of the connecting tube There is a syringe in communication; the positioning air bag is connected with an inflatable tube; the inflatable tube extends from the inside of the catheter to the connecting tube; the end of the inflatable tube is in sealing communication with the output port of the syringe; the catheter head is provided with a control air bag; the lower end of the control air bag is connected with an air guide tube; The end of the air guide tube extends to the outside of the connecting tube and communicates with the output end of an air pump; the lower part of the air guide tube is equipped with a vent valve; the side of the catheter head is evenly opened with catheter holes; the outer side of the control air bag is opened with a vertical drainage groove; the drainage groove is connected with the urinary catheter; the lower end of the drainage groove is connected with a catheter; the catheter is sealed and penetrates the airway tube, and is sealed from the lower side of the airway tube, and communicates with a liquid storage bag; Lubricating liquid is stored in the liquid bag.

To further optimize this technical solution, a control tube is sleeved in a rotating and sealed connecting tube of a catheterization device for urological surgery; the side wall of the control tube is provided with two docking holes that are sealed and matched with the output port of the syringe; The lower end is in sealing communication with a docking hole, and the inflation tube is in sealing communication with the output port of the syringe through the docking hole; the end of the control tube is plugged and fitted with a sealing cover.

To further optimize this technical solution, an indicator line corresponding to the position of the drainage groove is provided on the outer side of the lower part of the airway of a urinary catheterization device for urological surgery.

To further optimize the technical solution, a locking ring is rotatably connected to the outer side of the syringe of a catheterization device for urological surgery.

The beneficial effects of the present invention are:

1. When the catheter and the catheter enter the body through the urethra, at the bend of the urethra, add glycerin and other lubricating fluid in a directional way to ensure sufficient lubricant on the turning contact surface, which is convenient for the catheter to turn at the curve and reduce the feeling of pain. The cross-section of the catheter head is "C"-shaped, which is convenient for positioning the inflated control air bag. The air pump can inflate the control air bag. Control the rotation of the air bag to rotate, and at the same time, most of the catheter holes on the catheter head are sealed and blocked, and the catheter holes connected to the drainage groove can be oriented to discharge lubricating fluid, so that the contact part of the catheter head and the inner wall of the urethra is fully immersed Lubricating fluid to facilitate the turning of the catheter head;

The syringe communicates with the positioning air bag, which can inflate the positioning air bag to achieve positioning in the urethra. After the catheter head and catheter enter the human body and are positioned, the gas in the control airbag can be discharged, and the volume is reduced. Pull the airway tube to pull the control airbag out of the connecting tube to perform normal urination and catheterization;

2. Through the rotation adjustment of the control tube, the control syringe can be connected with the positioning air bag or the urinary catheter. When it is connected with the positioning air bag, it can be inflated; Seal the port of the control tube, then the syringe can be used to extract the urine in the catheter, and the urine is assisted to be discharged by suction, which is convenient to control and easy to use;

3. The angular position of the internal drainage groove can be displayed through the external indicator line to judge whether the drainage groove is in contact with the bottom of the inner wall of the urethra, so as to ensure that the lubricating fluid is fully immersed between the catheter head and the inner wall of the bend;

4. The locking ring can be buckled on the push handle of the syringe to realize the locking of the syringe and avoid the back pressure of the gas in the positioning airbag.

Description of drawings

Fig. 1 is the plane structure schematic diagram of the present invention;

Fig. 2 is a structural schematic diagram of part of the catheter head;

Fig. 3 is a schematic diagram of the structure of the connecting pipe part;

Figure 4 is a schematic diagram of the structure of the control tube;

In the figure, 1. Catheter head; 2. Catheter; 3. Positioning air bag; 4. Connecting tube; 5. Syringe; 6. Inflatable tube; 7. Control air bag; , vent valve; 11, urinary catheter; 12, drainage groove; 13, catheter; 14, liquid storage bag; 15, control tube; 16, docking hole; 17, sealing cover; 18, indicator line; 19, lock Tight ring.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1-4, a urinary catheterization device for urological surgery includes a catheter head 1 and a catheter 2; the cross section of the catheter head 1 is "C"-shaped, and the gap is downward; the catheter head 1 It is sealed and connected with the upper end of the urinary catheter 2, and the outer middle part of the catheter head 1 is fixedly connected with the end of the urinary catheter 2; the outer upper part of the urinary catheter 2 is sleeved with a positioning airbag 3; There is a connecting tube 4; the side of the connecting tube 4 is connected with a syringe 5; the positioning air bag 3 is connected with an inflatable tube 6; the inflatable tube 6 extends from the inside of the catheter 2 to the connecting tube 4; the end of the inflatable tube 6 is connected to the output port of the syringe 5 Sealed and connected; the catheter head 1 is provided with a control airbag 7; the lower end of the control airbag 7 is connected with an airway tube 8; The lower part is equipped with a vent valve 10; the side of the catheter head 1 is evenly opened with a catheter hole 11; the outer side of the control airbag 7 is provided with a vertical drainage groove 12; the drainage groove 12 communicates with the catheter hole 11; the drainage groove 12 The lower end is connected with a catheter 13; the catheter 13 is sealed and penetrates the airway 8, and is sealed and pierced from the lower side of the airway 8, and communicates with a liquid storage bag 14; the liquid storage bag 14 stores lubricating fluid; A control tube 15 is connected to the connecting tube 4 in a rotationally sealed sleeve; the side wall of the control tube 15 is provided with two docking holes 16 which are sealed and matched with the output port of the syringe 5; The inflatable tube 6 is in sealing communication with the output port of the syringe 5 through the docking hole 16; the end of the control tube 15 is plugged with a sealing cover 17; the outer side of the lower part of the air guide tube 8 is provided with an indicator line 18 corresponding to the position of the drainage groove 12; the outer side of the syringe 5 rotates A locking ring 19 is attached.

When the present invention is in use, the air pump 9 is inflated to inflate the control air bag 7, which is closely attached to the inner wall of the catheter head 1, and the medical staff inserts the catheter head 1 and the catheter 2 into the urethra, and the initial position makes the drainage groove 12 downward , so that the drainage groove 12 can fit the bottom inner wall of the urethral bend, and the medical staff can judge whether the catheter head 1 has reached the bend based on experience and resistance. Enter the drainage groove 12 through the catheter 13, pass through the catheter hole 11 communicated with the drainage groove 12, and fill it between the catheter head 1 and the turning contact position of the urethral wall to ensure that there is lubricating fluid on the contact surface when turning. If the position of the drainage groove 12 deviates during the movement in the urethra, the airway tube 8 can be rotated according to experience or the external indicator line 18, and the position of the drainage groove 12 can be adjusted to make it contact with the stress-bearing surface of the curve. Filled with lubricating fluid to reduce drag for smooth cornering. After the catheter head 1 reaches the designated position in the body, the positioning air bag 3 is inflated through the syringe 5 to realize positioning, and then the air release valve 10 is opened to discharge the gas in the control air bag 7, and the control air bag 7 is completely pulled out, and the connecting tube 4 is connected to the external urine receiving device. The device is connected to realize normal catheterization work.

Embodiment 2: Control the communication of the syringe 5 through the control tube 15. When the syringe 5 communicates with the inflation tube 6 through a docking hole 16, the positioning air bag 3 can be inflated to make it inflated and positioned; turn the control tube 15 to disconnect the syringe 5 communicates with the inflatable tube 6, and the control tube 15 and the connecting tube 4 are rotationally and tightly matched, the inflatable tube 6 communicates with the docking hole 16 and is in a sealed state, and then when the other docking hole 16 is connected to the output port of the syringe 5, Then the inside of the urinary catheter 2 is connected with the syringe 5. At this time, it is convenient to carry out work such as pumping/exhausting and liquid. liquid, forming a negative pressure suction.

When the syringe 5 finishes working, the two butt holes 16 can be in a state of sealing contact with the connecting pipe 4 by rotating the control tube 15, that is, the syringe 5 is not connected to any structure, the inflation tube 6 is sealed, and the urinary catheter 2 is not in contact with the connecting tube 4. It communicates with the outside through the docking hole 16 ; or it can be buckled on the push handle of the syringe 5 by using the locking ring 19 .

In the embodiment, the air pump 9 is used to inflate and pressurize the control airbag 7, and a water pump or the like can also be used to fill and pressurize the interior.

Claims (4)

1. A urinary catheterization device for urological surgery, characterized in that: it includes a catheter head (1) and a catheter (2); the cross section of the catheter head (1) is "C"-shaped, and the gap is downward; The catheter head (1) is sealed and connected with the upper end of the catheter (2), and the outer middle part of the catheter head (1) is fixedly connected with the end of the catheter (2); the outer upper part of the catheter (2) is covered A positioning air bag (3) is connected to it; the lower end of the catheter (2) is connected with a connecting tube (4); the side of the connecting tube (4) is connected with a syringe (5); the positioning air bag (3) is connected with an inflatable tube ( 6); the inflatable tube (6) extends from the inside of the catheter (2) to the connecting tube (4); the end of the inflatable tube (6) is sealed and communicated with the output port of the syringe (5); the catheter head (1) is provided with Control the airbag (7); the lower end of the control airbag (7) is connected with an air guide tube (8); the end of the air guide tube (8) extends to the outside of the connecting tube (4), and communicates with the output end of an air pump (9); the air guide tube The lower part of (8) is equipped with a vent valve (10); the side of the catheter head (1) is evenly opened with catheter holes (11); the outer side of the control airbag (7) is provided with a vertical drainage groove (12) The drainage groove (12) is connected with the urinary catheter (11); the lower end of the drainage groove (12) is connected with a catheter (13); 8) The side seal of the lower part passes through and communicates with a liquid storage bag (14); the lubricating fluid is stored in the liquid storage bag (14). 2. A urinary catheterization device for urological surgery according to claim 1, characterized in that: the connecting tube (4) is connected with a control tube (15) in a rotary sealing sleeve; the side wall of the control tube (15) is opened with Two docking holes (16) that are tightly mated with the output port of the syringe (5); the lower end of the inflation tube (6) is in sealing communication with a docking hole (16), and the inflation tube (6) is connected to the syringe through the docking hole (16) The output port of (5) is sealed and connected; the end of the control tube (15) is plugged with a sealing cover (17). 3 . The catheterization device for urological surgery according to claim 1 , characterized in that an indicator line ( 18 ) corresponding to the position of the drainage groove ( 12 ) is provided on the outside of the lower part of the airway tube ( 8 ). 4 . 4. A urinary catheterization device for urological surgery according to claim 1, characterized in that: the outer side of the syringe (5) is rotatably connected with a locking ring (19).