CN213191540U - Catheter with sample retention function - Google Patents

Abstract

The utility model relates to a catheter with a sample retention function, which comprises a catheter body, wherein one end of the catheter body is provided with a urine inlet hole, and one end of the catheter body, which is far away from the urine inlet hole, is provided with a urine outlet pipe; the one end that the urine hole was kept away from to the catheter body is provided with stays the appearance pipe, stays the appearance pipe and communicates with the catheter body mutually, stays to be equipped with the buffer structure who is used for storing the urine on the appearance pipe, stays the appearance pipe and keeps away from buffer structure's an end cover and is equipped with the end cover, and the catheter body, go out the ureter and stay the appearance pipe and be elastic material and make, stay to overlap on the appearance pipe and be equipped with first only flow structure, go out the cover on the ureter and be equipped with the second and only flow. The utility model has the advantage of convenient sampling to the urine of the patient.

Description

Catheter with sample retention function

Technical Field

The utility model belongs to the technical field of medical appliances's technique and specifically relates to a catheter with stay appearance function is related to.

Background

At present, catheterization is one of clinical common medical operations, is commonly used for helping patients to collect urine or helping patients with inconvenient actions after operations to urinate, is also suitable for urine retention caused by lower urinary tract obstruction, and is also applied to the situations of rescuing critical patients, pre-operation preparation for general anesthesia, drug perfusion in bladder or bladder irrigation and the like. Catheter among the prior art, including catheter and the gasbag of setting on the catheter, the urine entry is located the end of catheter, when inserting the catheter, stretches into the urinary tract with the catheter end, after reaching the regulation position, aerifys or the water injection in to the gasbag, utilizes the gasbag after aerifing or the water injection to fix the catheter and stay in the bladder, avoids rocking and drops, and the urine passes through the urine entry entering catheter of catheter upper end to it is external to be drawn forth.

The prior Chinese patent with publication number CN204972653U discloses a novel catheter, which comprises a catheter body, wherein an air bag is arranged on the outer wall of the catheter body; the air bag is communicated with an inflation pipeline which is arranged close to the inner wall of the catheter body, and the other end of the inflation pipeline extends out of the catheter body; a flushing hole is formed in the catheter body below the air bag, the flushing hole is communicated with a flushing pipeline arranged close to the inner wall of the catheter body, and the other end of the flushing pipeline extends out of the catheter body; the upper end of the catheter body is provided with a conical guide part with smooth surface; the outer wall of the catheter body is also provided with a rubber urine funnel with an upward opening, and a liquid receiving pipeline communicated with the catheter body is connected below the rubber urine funnel; the lower end of the catheter body is in threaded connection with a urine storage bag.

Although the catheter among the above-mentioned technical scheme has the function of wasing the ureter, inconvenient taking a sample patient's urine at the in-process of in-service use, when taking a sample patient's urine, need take off urine bag follow catheter with storing up, then carry out the urine sample again, it is inconvenient to cause the sample.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a catheter with a sample retention function, which has the advantage of convenient sampling of the urine of a patient.

The above object of the present invention is achieved by the following technical solutions: a catheter with a sample retention function comprises a catheter body, wherein a urine inlet hole is formed in one end of the catheter body, and a urine outlet pipe is arranged at one end, far away from the urine inlet hole, of the catheter body; the utility model discloses a urine catheter, including catheter body, urine hole, end cover, urine tube, catheter body, urine tube.

Through adopting above-mentioned technical scheme, after inserting patient's bladder with the catheter body, open first only flow structure, close second only flow structure, it is intraductal that the urine enters into to stay a kind, opens the end cover, stays the intraductal urine of kind and enters into buffer structure, then accessible sampler is to staying the intraductal urine of kind and take a sample, and buffer structure can reduce the urine when opening the end cover and directly follow the possibility that the end cover flows.

The present invention may be further configured in a preferred embodiment as: the buffer structure is a buffer ball arranged at one end of the catheter body, a buffer cavity is arranged in the buffer ball, and the buffer cavity is communicated with the sample holding tube.

Through adopting above-mentioned technical scheme, opening the end cover after, the urine of staying in the appearance pipe can enter into the cushion chamber earlier, and the buffering ball has certain storage effect to the urine, and the urine directly flows out from the end cover when reducing the end cover and makes dirty medical personnel's hand and the condition emergence of patient's clothes.

The present invention may be further configured in a preferred embodiment as: first only flow structure establishes the T shape only flow tube on staying the appearance pipe including the cover, it wears out from the one end that the T shape only flows the pipe after penetrating the buckle to stay the appearance pipe from the one end of T shape only flow tube, the other end that the T shape only flows the pipe is provided with and makes and stays the first only flow block that the appearance intraductal wall laminated each other along radial, it is intraductal that first only flow block is located T shape only flow, first only flow block and T shape only flow pipe sliding connection.

Through adopting above-mentioned technical scheme, slip first stagnant flow piece for first stagnant flow piece slides to the other end that stays the appearance pipe place from the one end of T shape stagnant flow pipe, and under the effect of compressing tightly of first stagnant flow piece, the inner wall of staying the appearance pipe is along the laminating of radial motion, thereby plays the effect of stopping flowing.

The present invention may be further configured in a preferred embodiment as: the second flow stopping structure comprises a second flow stopping block sleeved on the urine outlet pipe, a flow stopping groove used for clamping the urine outlet pipe is formed in the second flow stopping block, two limiting blocks are arranged on the urine outlet pipe, the second flow stopping block is located between the two limiting blocks, and the limiting blocks are abutted to the second flow stopping block.

Through adopting above-mentioned technical scheme, slide out the ureter for go out the ureter and slide to only flow groove in, only flow groove along going out the ureter and radially carrying out the chucking to going out the ureter, thereby play the effect of only flowing.

The present invention may be further configured in a preferred embodiment as: the catheter is characterized in that a balloon is arranged on the catheter body, the end part, far away from the urinary catheter, of the catheter body is wrapped by the balloon along the circumferential direction of the catheter, a water filling pipe is arranged on the inner wall of the catheter body and is communicated with the balloon, one end, far away from the balloon, of the water filling pipe extends to the outside of the catheter body, one end, far away from the balloon, of the water filling pipe is provided with a flow stopping plug, the flow stopping plug is in plug-in fit with the water filling pipe, the flow stopping plug is inconsistent with the inner wall of the water filling pipe, and the flow stopping plug.

Through adopting above-mentioned technical scheme, the sacculus is used for fixing the tip of catheter body internally, prevents that the catheter body from coming off from internal, and the tip that the sacculus parcel catheter body can reduce catheter body tip part and produce amazing possibility to the bladder wall, reduces patient's uncomfortable and feels, and the end stopper can seal the water pipe of filling after filling water and accomplishing, prevents that the rivers in the sacculus from flowing out and filling the water pipe.

The present invention may be further configured in a preferred embodiment as: the flow stopping plug is provided with a connecting rod, one end of the connecting rod is fixedly connected with the flow stopping plug, the other end of the connecting rod is fixedly connected with the water filling pipe, and the connecting rod is an elastic piece.

Through adopting above-mentioned technical scheme, will end the back that flows the stopper and take off from filling the water pipe, the connecting rod can hang end the stopper and fill on the water pipe to prevent that end and flow the stopper and drop and take place the loss.

The present invention may be further configured in a preferred embodiment as: be provided with the receiver of accomodating the catheter body on the catheter body, be provided with in the receiver and wind the post, rotate around the post and be connected with the receiver, it is outside to extend the receiver around the one end of post, the mouth of pipe has been seted up on the receiver bottom surface, the receiver is kept away from and is provided with out the mouth of pipe on the mouth of pipe's the terminal surface, be equipped with the solid fixed ring who is used for fixed catheter body on the post, gu fixed ring with wind post fixed connection.

Through adopting above-mentioned technical scheme, penetrate the catheter body from advancing the mouth of pipe, then fix on solid fixed ring, then wear out from going out the mouth of pipe, when rotatory around the post, the catheter body can twine around the post under the lax state to make partly accomodating of catheter body in the containing box, when the reversal was around the post, this can be followed around the post and is wound down to the catheter body, pull the catheter body and can pull out the catheter body from the containing box, thereby be convenient for adjust the length of catheter body.

The present invention may be further configured in a preferred embodiment as: the storage box is characterized in that a rotating ring is arranged at one end, extending out of the storage box, of the winding column, two fixing rods are arranged on the storage box, the two fixing rods are arranged in parallel with the winding column and located on two sides of the winding column, the distance between the two fixing rods is larger than the diameter of the rotating ring, fixing screws are arranged on the fixing rods, the fixing screws penetrate through the two fixing rods and are in threaded connection with the two fixing rods, and the fixing screws penetrate through the rotating ring.

Through adopting above-mentioned technical scheme, rotatory ring is convenient for rotate around the post, after the length adjustment with the catheter body is good, set screw fixes the rotating ring, prevents rotatory ring rotation to make around the unable rotation of post, thereby make partly stable accomodating of catheter body in the receiver.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the sample reserving tube, the sample can be reserved for the urine in the bladder of the patient, so that the urine can be conveniently sampled;

2. through the setting of receiver, can accomodate a part of catheter body in the receiver to be convenient for adjust the length of catheter body.

Drawings

Fig. 1 is a schematic view of a catheter with sample retention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 1;

FIG. 5 is a schematic view of a closed state of a retention tube;

FIG. 6 is an enlarged view at D of FIG. 5;

fig. 7 is a schematic structural diagram of the second flow stopping block.

In the figure, 1, a catheter body; 2. a urine inlet hole; 3. a urine outlet pipe; 4. a sample tube is reserved; 5. an end cap; 6. a buffer ball; 7. a buffer chamber; 8. a T-shaped flow stopping pipe; 9. a first flow stop block; 10. a second flow stop block; 11. a flow stopping groove; 12. a limiting block; 13. a balloon; 14. a water filling pipe; 15. a flow stopping plug; 16. a connecting rod; 17. a storage box; 18. winding the column; 19. an inlet pipe orifice; 20. a fixing ring; 21. a rotating ring; 22. fixing the rod; 23. a set screw; 24. and (4) sliding grooves.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, for the catheter with the sample retention function disclosed by the utility model, which comprises a catheter body 1, the catheter body 1 is made of elastic material and can be made of rubber material, referring to figure 2, one end of the catheter body 1 is provided with a urine inlet, the catheter body 1 is provided with a balloon 13, after the balloon 13 is filled with water, one end of the catheter body 1 close to the urine inlet can be wrapped along the circumferential direction of the catheter body 1, the inner wall of the catheter body 1 is provided with a water filling pipe 14, one end of the water filling pipe 14 is communicated with the balloon 13, one end of the water filling pipe 14 far away from the balloon 13 extends out of the catheter, the balloon 13 can be inflated by filling water into the balloon 13 through the water filling pipe 14, thereby the catheter body 1 is fixed in vivo, the catheter body 1 is prevented from falling off from the body, the possibility that the tip part of the catheter body 1 can be stimulated to the bladder wall by, reduce the discomfort of the patient.

Referring to fig. 3, a flow stop plug 15 is arranged at one end of the water filling pipe 14 far away from the balloon 13, the flow stop plug 15 is in insertion fit with the water filling pipe 14, the flow stop plug 15 is abutted against the inner wall of the water filling pipe 14, the flow stop plug 15 is an elastic piece, can be an elastic rubber plug, the flow stopping plug 15 is provided with a connecting rod 16, one end of the connecting rod 16 is fixedly connected with the flow stopping plug 15, the other end is fixedly connected with the water filling pipe 14, the connecting rod 16 is an elastic piece and can be a rubber rod, after the water is filled into the balloon 13, the flow stopping plug 15 is inserted into the end of the water filling pipe 14, and because the flow stopping plug 15 is an elastic element, the flow stop plug 15 is pressed against the inner wall of the water filling pipe 14 under the elastic action of the flow stop plug 15, thereby sealing the water filling pipe 14, preventing the water in the saccule 13 from flowing out of the water filling pipe 14, taking the flow stopping plug 15 off the water filling pipe 14, the connecting rod 16 can suspend the stop plug 15 on the water filling pipe 14, thereby preventing the stop plug 15 from falling and being lost.

Referring to fig. 4, one end of the catheter body 1 far away from the urine inlet hole 2 is provided with a sample retention tube 4, the sample retention tube 4 is made of elastic material and can be made of rubber material, one end of the sample retention tube 4 is communicated with the catheter body 1, the other end cover 5 is provided with an end cover 5, the sample retention tube 4 is provided with a first flow stopping structure, the first flow stopping structure comprises a T-shaped flow stopping tube 8 sleeved on the sample retention tube 4, the sample retention tube 4 penetrates through one end of the T-shaped flow stopping tube 8 after being bent, and penetrates out from one end of the T-shaped flow stopping tube 8, the other end of the T-shaped flow stopping tube 8 is provided with a first flow stopping block 9 which enables the inner walls of the sample retention tube 4 to be mutually attached along the radial direction, the first flow stopping block 9 is positioned inside the T-shaped flow stopping tube 8, the first flow stopping block 9 is slidably connected with the T-shaped flow stopping tube 8, referring to fig. 6, the inner wall of the T-shaped flow, the first flow stopping block 9 is slid, so that the first flow stopping block 9 slides from one end of the T-shaped flow stopping pipe 8 to the other end where the sample reserving pipe 4 is located, and under the pressing effect of the first flow stopping block 9, the inner wall of the sample reserving pipe 4 moves and is attached along the radial direction, and therefore the flow stopping effect is achieved.

Refer to fig. 4, be equipped with buffer structure on the sample retention pipe 4, buffer structure is for setting up the buffering ball 6 on the sample retention pipe 4, the inside cushion chamber 7 that is provided with of buffering ball 6, cushion chamber 7 is linked together with sample retention pipe 4, after opening end cover 5, the urine in the sample retention pipe 4 can enter into the cushion chamber 7 earlier, buffering ball 6 has certain storage effect to the urine, the direct condition of flowing out the hand of medical personnel of making dirty and patient's clothes from end cover 5 of urine takes place when reducing end cover 5 and opening.

As shown in fig. 5 and 6, one end of the urinary catheter body 1, which is far away from the urine inlet, is provided with a urine outlet tube 3, the urine outlet tube 3 is made of an elastic material, which can be made of a rubber material, one end of the urine outlet tube 3 is communicated with the urinary catheter, the urine outlet tube 3 is provided with a second flow stopping structure, the second flow stopping structure comprises a second flow stopping block 10 sleeved on the urine outlet tube 3, referring to fig. 7, the second flow stopping block 10 is provided with a flow stopping groove 11 for clamping the urine outlet tube 3, the urine outlet tube 3 is provided with two limiting blocks 12, the second flow stopping block 10 is located between the two limiting blocks 12, the two limiting blocks 12 are abutted against the second flow stopping block 10, the urine outlet tube 3 is slid into the flow stopping groove 11, and the flow stopping groove 11 radially clamps the urine outlet tube 3 along the urine outlet tube 3, thereby playing a role of stopping flow.

As shown in figure 1, a containing box 17 for containing the catheter is arranged on the catheter body 1, a winding column 18 is arranged in the containing box 17, the winding column 18 is rotatably connected with the containing box 17, one end of the winding column 18 extends out of the containing box 17, an inlet pipe opening 19 is arranged on the bottom surface of the containing box 17, an outlet pipe opening is arranged on the end surface of the containing box 17 far away from the inlet pipe opening 19, a fixing ring 20 for fixing the catheter body 1 is arranged on the winding column 18, the fixing ring 20 is fixedly connected with the winding column 18, the catheter body 1 is penetrated through the inlet pipe opening 19 and then fixed on the fixing ring 20 and then penetrates out of the outlet pipe opening, when the winding column 18 is rotated, the catheter body 1 can be wound on the winding column 18 in a loose state, so that one part of the catheter body 1 is contained in the containing box 17, when the winding column 18 is reversely rotated, the catheter body 1 can be wound down from the winding column 18, the catheter, thereby facilitating the adjustment of the length of the catheter body 1.

As shown in fig. 1, one end of the storage box 17 extending around the column 18 is provided with a rotating ring 21, two fixing rods 22 are arranged on the storage box 17, the two fixing rods 22 are arranged in parallel with the column 18 and located on two sides of the column 18, the distance between the two fixing rods 22 is larger than the diameter of the rotating ring 21, fixing screws 23 are arranged on the fixing rods 22, the fixing screws 23 penetrate through the two fixing rods 22 and are in threaded connection with the two fixing rods 22, the fixing screws 23 penetrate through the rotating ring 21, the rotating ring 21 is convenient for rotating the column 18, after the length of the catheter body 1 is adjusted, the fixing screws 23 fix the rotating ring 21, the rotating ring 21 is prevented from rotating, and therefore the column 18 cannot rotate, and a part of the catheter body 1 is stably stored in the storage box 17.

The implementation principle of the embodiment is as follows: after putting into patient's bladder catheter body 1, outwards slide first stagnant flow piece 9, make and stay appearance pipe 4 circulation, then will go out ureter 3 and slide to ending in the chute 11, make and go out ureter 3 and end, the urine enters into and stays in the appearance pipe 4, open end cover 5, the urine in staying the appearance pipe 4 enters into buffer structure, then the accessible sampler is to the urine in staying the appearance pipe 4 and take a sample, buffer structure can reduce the direct possibility of flowing out from end cover 5 when opening end cover 5, when the needs catheterization, inwards slide first stagnant flow piece 9, it is blocked to stay an appearance pipe 4, cover end cover 5 on staying an appearance pipe 4, then will go out ureter 3 slip and end chute 11, can derive the urine.

Be equipped with sacculus 13 on the catheter body 1, sacculus 13 wraps up the tip that catheter body 1 kept away from out ureter 3 along catheter body 1 circumference, and sacculus 13 parcel catheter body 1's tip can reduce catheter body 1 tip part and produce amazing possibility to the bladder wall, reduces patient's uncomfortable and feels.

Be provided with receiver 17 of accomodating catheter body 1 on catheter body 1, be provided with in the receiver 17 around post 18, rotate with receiver 17 around post 18 and be connected, it is outside to extend receiver 17 around the one end of post 18, the mouth of pipe 19 has been seted up on the receiver 17 bottom surface, receiver 17 keeps away from and is provided with out the mouth of pipe on the terminal surface of mouth of pipe 19, be equipped with the solid fixed ring 20 that is used for fixed catheter body 1 on the post 18, rotate around post 18, catheter body 1 can twine on winding post 18, thereby be convenient for adjust catheter body 1's length.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A catheter with a sample retention function comprises a catheter body (1), wherein a urine inlet hole (2) is formed in one end of the catheter body (1), and a urine outlet pipe (3) is formed in one end, far away from the urine inlet hole (2), of the catheter body (1); the method is characterized in that: the one end that advances urine hole (2) is kept away from in catheter body (1) is provided with stays a kind pipe (4), it is linked together with catheter body (1) to stay a kind pipe (4), it is equipped with the buffer structure who is used for storing the urine on sample pipe (4) to stay, it is equipped with end cover (5) to stay an end cover (5) that buffer structure was kept away from in kind pipe (4), catheter body (1), play urine pipe (3) and stay a kind pipe (4) are elastic material and make, it is equipped with first only flow structure to stay to overlap on kind pipe (4), it is equipped with the only flow structure of second to go out the cover on urine pipe (3).

2. A catheter with sample retention according to claim 1, wherein: buffer structure is for setting up buffer ball (6) in catheter body (1) one end, buffer ball (6) inside is provided with cushion chamber (7), cushion chamber (7) are linked together with sample reserving pipe (4).

3. A catheter with sample retention according to claim 2, wherein: first only flow structure establishes T shape only flow pipe (8) on staying appearance pipe (4) including the cover, it wears out from the one end that T shape only flow pipe (8) after buckling to stay appearance pipe (4) penetrate from the one end of T shape only flow pipe (8), the other end that T shape only flow pipe (8) is provided with and makes and stays appearance pipe (4) inner wall along first only flow block (9) of laminating each other radially, first only flow block (9) are located inside T shape only flow pipe (8), first only flow block (9) and T shape only flow pipe (8) sliding connection.

4. A catheter with sample retention according to claim 3, wherein: the second ends and flows the structure and establish second stagnant flow piece (10) on going out ureter (3) including the cover, be provided with stagnant flow groove (11) that are used for the chucking to go out ureter (3) on second stagnant flow piece (10), it is provided with two stopper (12) on ureter (3) to go out, second stagnant flow piece (10) are located between two stopper (12), two stopper (12) end with the second and flow piece (10) inconsistent.

5. A catheter with sample retention according to claim 1, wherein: be equipped with sacculus (13) on catheter body (1), sacculus (13) are wrapped up along catheter circumference to the tip that catheter body (1) was kept away from out ureter (3), be provided with on the inner wall of catheter body (1) and fill water pipe (14), it is linked together with sacculus (13) to fill water pipe (14), it extends to catheter body (1) outside to fill the one end that sacculus (13) were kept away from in water pipe (14), it is equipped with only to flow stopper (15) to fill the one end that sacculus (13) were kept away from in water pipe (14), only to flow stopper (15) and fill water pipe (14) cooperation of pegging graft, only to flow stopper (15) and the inner wall of filling water pipe (14) inconsistent, only to flow stopper (15) are the elastic component.

6. A catheter with sample retention according to claim 5, wherein: a connecting rod (16) is arranged on the flow stopping plug (15), one end of the connecting rod (16) is fixedly connected with the flow stopping plug (15), the other end of the connecting rod is fixedly connected with the water filling pipe (14), and the connecting rod (16) is an elastic piece.

7. A catheter with sample retention according to claim 1, wherein: be provided with receiver (17) of accomodating catheter body (1) on catheter body (1), be provided with in receiver (17) around post (18), rotate with receiver (17) around post (18) and be connected, extend receiver (17) outside around the one end of post (18), inlet (19) have been seted up on receiver (17) bottom surface, be provided with out the mouth of pipe on receiver (17) keep away from inlet (19) the terminal surface, be equipped with solid fixed ring (20) that are used for fixed catheter body (1) on post (18), gu fixed ring (20) with around post (18) fixed connection.

8. A catheter with sample retention according to claim 7, wherein: the winding post is characterized in that a rotating ring (21) is arranged at one end, extending out of the storage box (17), of the winding post (18), two fixing rods (22) are arranged on the storage box (17), the two fixing rods (22) are arranged in parallel with the winding post (18) and located on two sides of the winding post (18), the distance between the two fixing rods (22) is larger than the diameter of the rotating ring (21), fixing screws (23) are arranged on the fixing rods (22), the fixing screws (23) penetrate through the two fixing rods (22) and are in threaded connection with the two fixing rods (22), and the fixing screws (23) penetrate through the rotating ring (21).

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