CN209123140U - A kind of catheter for preventing from falling off - Google Patents

Abstract

The utility model discloses a kind of catheters for preventing from falling off, including transporting component, air bag component and manometric module, the transporting component includes catheter cutting ferrule and catheter, one end of the catheter is fixed with the catheter cutting ferrule, the air bag component includes balloon, gas transmission casing and gas tube, the side of the catheter cutting ferrule is fixed with the gas tube, and one end of the gas tube is connected with the gas transmission casing close to the outer wall of the catheter；A survey platen is connected on catheter gas tube, it surveys on the downside of platen and is connected with piston, platen is surveyed to be connected directly by gas transmission casing with balloon, so the air pressure below piston is equal with air pressure in balloon, therefore when air pressure change, piston can drive piston rod movement, to drive the indicators turn on turntable by transmission mechanism, so that medical staff is intuitively judged the pressure of interior balloon, carries out that pressure is replenished in time, prevent catheter from skidding off from bladder.

Description

A kind of catheter for preventing from falling off

Technical field

The utility model belongs to the field of medical instrument technology, and in particular to a kind of catheter for preventing from falling off.

Background technique

Catheter, be with pipeline made of natural rubber, silicon rubber or polyvinyl chloride, can be per urethram inserted into bladder with Just drainage of urine comes out, and after catheter is inserted into bladder, has the fixed catheter of an air bag to stay in bladder close to catheter head end, And it is not easy, and drainage tube connection urinal collects urine.

The air bag of original urethral catheterization tube head is easy gas leakage after prolonged use, and can not intuitively observe inside from outside The pressure size of air bag, to can not judge the size of inner balloon, this allows for catheter may be in the indefinite time from bladder In skid off, influence the normal use of catheter.

Utility model content

The purpose of this utility model is to provide a kind of catheters for preventing from falling off, to solve to propose in above-mentioned background technique The air bag of original urethral catheterization tube head is easy gas leakage after prolonged use, and the pressure of inner balloon can not be intuitively observed from outside Power size, to can not judge the size of inner balloon, this, which allows for catheter, to skid off from bladder in the indefinite time, shadow The problem of normal use of pilot's urinary catheter.

To achieve the above object, the utility model provides the following technical solutions: a kind of catheter for preventing from falling off, including defeated Guide assembly, air bag component and manometric module, the transporting component include catheter cutting ferrule and catheter, one end of the catheter It is fixed with the catheter cutting ferrule, the air bag component includes balloon, gas transmission casing and gas tube, and the one of the catheter cutting ferrule Side is fixed with the gas tube, and one end of the gas tube is connected with the gas transmission casing, institute close to the outer wall of the catheter State the other end of gas transmission casing and be connected with the balloon close to the outer wall of the catheter, the manometric module include survey platen, Pressure-measuring pipe and piston, the pressure-measuring pipe are fixed on the outside of the gas tube, and the piston is located at the inner wall of the pressure-measuring pipe, institute It states piston to be slidably connected with the pressure-measuring pipe, the pressure-measuring pipe upper end is fixed with the survey platen, and the survey platen inner wall opens up There is the card slot, the piston upper surface is fixed with piston rod, and outer wall is equipped with spring housing, the spring housing on the upside of the piston rod It is fixedly connected with the survey platen, the piston rod is slidably connected with the spring housing, and the piston rod outer wall is close to the card Turntable is slidably connected on the inside of slot, the upper surface of the turntable is fixed with pointer.

Preferably, the piston rod outer wall offers screw thread, the screw thread oblique angle and vertical direction at the turntable Angle is 30 degree, and the reach is five times of the turntable thickness.

Preferably, the piston rod top has feather key, and the spring chamber interior walls offer keyway, the feather key and keyway It is slidably connected.

Preferably, spring is fixed in the spring housing, the piston rod is connect with the spring slide.

Preferably, one end of the gas tube is fixed with charge valve, has cavity, the gas transmission set inside the gas tube Pipe is connect with the cavity.

Preferably, the turntable inner wall has thread groove.

Compared with prior art, the utility model has the beneficial effects that being connected with a survey pressure on catheter gas tube Disk is surveyed on the downside of platen and is connected with piston, surveys platen and is connected directly by gas transmission casing with balloon, thus the air pressure below piston and Air pressure is equal in balloon, therefore when air pressure change, piston can drive piston rod movement, to be driven on turntable by transmission mechanism Indicators turn, so that medical staff is intuitively judged the pressure of interior balloon, carry out that pressure is replenished in time, prevent urethral catheterization Pipe is skidded off from bladder.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the survey platen side structure schematic view of the utility model；

Fig. 3 is the survey platen top view of the utility model；

In figure: 10- transporting component, 11- catheter cutting ferrule, 12- catheter, 20- air bag component, 21- balloon, 22- gas transmission Casing, 23- gas tube, 231- charge valve, 30- manometric module, 31- survey platen, 311-, card slot, 312- spring housing, 32- survey pressure Pipe, 33- piston, 331- piston rod, 332- turntable, 333- pointer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of catheter for preventing from falling off, including transporting Component 10, air bag component 20 and manometric module 30, transporting component 10 include catheter cutting ferrule 11 and catheter 12, catheter 12 One end is fixed with catheter cutting ferrule 11, and air bag component 20 includes balloon 21, gas transmission casing 22 and gas tube 23, catheter cutting ferrule 11 Side be fixed with gas tube 23, one end of gas tube 23 is connected with gas transmission casing 22, gas transmission set close to the outer wall of catheter 12 The other end of pipe 22 is connected with balloon 21 close to the outer wall of catheter 12, and manometric module 30 includes surveying platen 31,32 and of pressure-measuring pipe Piston 33, pressure-measuring pipe 32 are fixed on the outside of gas tube 23, and piston 33 is located at the inner wall of pressure-measuring pipe 32, piston 33 and pressure-measuring pipe 32 It is slidably connected, 32 upper end of pressure-measuring pipe, which is fixed with, surveys platen 31, surveys 31 inner wall of platen and offers card slot 311,33 upper surface of piston is solid Surely there is piston rod 331,331 upside outer wall of piston rod is equipped with spring housing 312, and spring housing 312 is fixedly connected with platen 31 is surveyed, piston Bar 331 is slidably connected with spring housing 312, and 331 outer wall of piston rod slidably connects turntable 332, turntable on the inside of card slot 311 332 upper surface is fixed with pointer 333.

In the present embodiment, in use, catheter 12 is per urethram inserted into bladder, then pass through 23 one end of gas tube Charge valve 231 is inflated balloon 21, and air-flow is entered in balloon 21 by gas transmission casing 22, due to balloon 21 and surveys pressure group It is mutually conducted between part 30 by gas transmission casing 22, therefore both ends air pressure is equal, when air pressure change, piston 33 is in pressure-measuring pipe 32 Wall sliding, to drive piston rod 331 to slide in 312 inner wall of spring housing, and the keyway opened up by 312 inner wall of spring housing and work The feather key of 331 outer wall of stopper rod is limited, and piston rod 331 is made not rotate in sliding process, and turntable 332 passes through inner wall The inclined screw thread that is equipped with 331 outer wall of piston rod of card slot slided, so that turntable 332 is rotated, to drive turntable Pointer 333 on 332 is rotated, and by the positional shift of pointer 333, medical staff is made intuitively to judge gas in balloon 21 The size of pressure prevents 21 pressure of balloon is too small from catheter 12 being caused to skid off from bladder.

Further, 331 outer wall of piston rod offers screw thread, screw thread oblique angle and vertical direction angle at turntable 332 It is 30 degree, reach is five times of 332 thickness of turntable.

In the present embodiment, 331 outer wall of piston rod offers screw thread at turntable 332, and screw thread oblique angle and vertical direction press from both sides Angle is 30 degree, convenient that circumferential force is carried out to turntable 332 by inclined screw thread, so that turntable 332 is rotated, screw thread is long Degree is five times of 332 thickness of turntable, when preventing 331 sliding distance of piston rod big, can not be passed by screw thread to turntable 332 It is dynamic.

Further, 331 top of piston rod has feather key, and 312 inner wall of spring housing offers keyway, feather key and keyway sliding Connection.

In the present embodiment, 331 top of piston rod has feather key, and 312 inner wall of spring housing offers keyway, and feather key and keyway is sliding Dynamic connection, prevents piston rod 331 from rotating in sliding process.

Further, spring is fixed in spring housing 312, piston rod 331 is connect with spring slide.

In the present embodiment, spring is fixed in spring housing 312, piston rod 331 is connect with spring slide, in order to keep certain Pressure, when making air pressure change, piston rod 331 can be slided up and down.

Further, one end of gas tube 23 is fixed with charge valve 231, has cavity, gas transmission casing inside gas tube 23 22 connect with cavity.

In the present embodiment, one end of gas tube 23 is fixed with charge valve 231, has cavity, gas transmission set inside gas tube 23 Pipe 22 is connect with cavity, guarantees the reliability connected between gas tube 23 and gas transmission casing 22.

Further, 332 inner wall of turntable has thread groove.

In the present embodiment, 332 inner wall of turntable has thread groove, can be slided with the screw thread of 331 outer wall of piston rod Dynamic cooperation.

The working principle and process for using of the utility model: after the utility model installs, in use, by catheter 12 It is per urethram inserted into bladder, then balloon 21 is inflated by the charge valve 231 of 23 one end of gas tube, air-flow passes through defeated Gas bushing 22 enters in balloon 21, is mutually conducted due to passing through gas transmission casing 22 between balloon 21 and manometric module 30, therefore two Hold air pressure equal, when air pressure change, piston 33 is slided in the inner wall of pressure-measuring pipe 32, to drive piston rod 331 in spring housing 312 Inner wall sliding, and the feather key of the keyway opened up by 312 inner wall of spring housing and 331 outer wall of piston rod is limited, and piston rod is made 331 will not rotate in sliding process, and turntable 332 is equipped with by the card slot of inner wall with 331 outer wall of piston rod inclined Screw thread is slided, and turntable 332 is made to rotate, so that the pointer 333 on turntable 332 be driven to be rotated, passes through pointer 333 Positional shift, so that medical staff is intuitively judged the size of air pressure in balloon 21, prevent 21 pressure of balloon is too small from causing Urinary catheter 12 is skidded off from bladder, and urine can be per urethram inserted into intravesical 12 drainage of urine of catheter and come out, and urethral catheterization 12 other end of pipe connects urinal and collects urine.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of catheter for preventing from falling off, it is characterised in that: including transporting component (10), air bag component (20) and manometric module (30), the transporting component (10) includes catheter cutting ferrule (11) and catheter (12), and one end of the catheter (12) is fixed There is the catheter cutting ferrule (11), the air bag component (20) includes balloon (21), gas transmission casing (22) and gas tube (23), institute The side for stating catheter cutting ferrule (11) is fixed with the gas tube (23), and one end of the gas tube (23) is close to the catheter (12) outer wall is connected with the gas transmission casing (22), and the other end of the gas transmission casing (22) is close to the catheter (12) Outer wall is connected with the balloon (21), and the manometric module (30) includes surveying platen (31), pressure-measuring pipe (32) and piston (33), institute The outside that pressure-measuring pipe (32) is fixed on the gas tube (23) is stated, the piston (33) is located at the inner wall of the pressure-measuring pipe (32), The piston (33) is slidably connected with the pressure-measuring pipe (32), and pressure-measuring pipe (32) upper end is fixed with the survey platen (31), Survey platen (31) inner wall offers card slot (311), and piston (33) upper surface is fixed with piston rod (331), the work Outer wall is equipped with spring housing (312) on the upside of stopper rod (331), and the spring housing (312) is fixedly connected with the survey platen (31), described Piston rod (331) is slidably connected with the spring housing (312), and piston rod (331) outer wall is on the inside of the card slot (311) It slidably connects turntable (332), the upper surface of the turntable (332) is fixed with pointer (333).

2. a kind of catheter for preventing from falling off according to claim 1, it is characterised in that: piston rod (331) outer wall Screw thread is offered at the turntable (332), the screw thread oblique angle and vertical direction angle are 30 degree, the reach It is five times of the turntable (332) thickness.

3. a kind of catheter for preventing from falling off according to claim 1, it is characterised in that: piston rod (331) top With feather key, spring housing (312) inner wall offers keyway, and the feather key and keyway is slidably connected.

4. a kind of catheter for preventing from falling off according to claim 1, it is characterised in that: solid in the spring housing (312) Surely there is spring, the piston rod (331) connect with the spring slide.

5. a kind of catheter for preventing from falling off according to claim 1, it is characterised in that: one end of the gas tube (23) It is fixed with charge valve (231), there is cavity inside the gas tube (23), the gas transmission casing (22) connect with the cavity.

6. a kind of catheter for preventing from falling off according to claim 1, it is characterised in that: turntable (332) the inner wall tool There is thread groove.