CN211611265U - Catheter for catheterization and drug administration - Google Patents

Abstract

The utility model discloses a catheter for catheterization and drug delivery, its structure includes: a first portion for extending into a ureter or bladder; a second portion connected to the first portion and disposed outside the bladder, the second portion being adapted to contain a drug and to deliver the drug into the ureter or bladder through the first portion; the protective structure is arranged at the tail part of the first part and is used for preventing medicine or urine from overflowing; the utility model provides a catheter can be for the patient catheterization, ureter or the inside medicine of adding of bladder, and simultaneously, protective structure can avoid the urine to leak outward, avoids dripping to spatter sheet, quilt cover and patient affected part, has effectively solved patient's catheterization and has gone up the medicine in-process and experience a lot of misery, pollutes the problem of the environment of seeking medical advice.

Description

Catheter for catheterization and drug administration

Technical Field

The utility model relates to the technical field of medical equipment, what especially relate to is a catheter for catheterization and drug delivery.

Background

Catheterization is widely applied in clinic, and is necessary for urinary catheter arrangement in aspects of coma, urinary incontinence, lower abdomen and pelvic cavity operations, urinary retention, local drug perfusion of bladder tumor, heart failure, accurate urine volume recording of critical patients and the like.

The arrangement of the catheter needs to keep the perineum part dry and clean, so as to avoid local skin irritation. However, in clinical practice, the front end of the existing catheter is poor in fitting performance with the bladder neck, and urine often leaks from the side edge of the catheter after the catheter is placed, so that local skin irritation and even inflammation are caused, and the existing catheter does not have an administration structure aiming at irritation.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a catheter for catheterization and dosing, the catheter that aims at solving among the prior art has the urine to spill from the catheter side after settling for local skin is amazing, and does not have the problem to amazing administration structure.

The utility model provides a technical scheme that technical problem adopted as follows:

a urinary catheter for catheterization and drug delivery, comprising: a first portion for extending into the bladder; a second part connected with the first part and arranged outside the bladder, wherein the second part is used for containing medicine and inputting the medicine into the bladder or guiding urine through the first part; and the protective structure is arranged at the tail part of the first part and is used for preventing medicine or urine from overflowing.

In a further preferred scheme, the first portion is a pipe body, the tail portion of the pipe body is in a protruding shape, and the tail portion of the pipe body is larger than the head portion of the pipe body in size.

In a further preferred scheme, the head part of the tube body is provided with a plurality of through holes, and the through holes are used for conveying the medicine to the ureter or the bladder.

In a further preferred scheme, a connection structure is arranged at the tail of the first part and used for being connected with the second part, and the connection mode between the first part and the second part is detachable connection through the connection structure.

In a further preferred aspect, the detachable connection comprises: a threaded connection or a snap connection.

In a further preferred version, a rubber structure for sealing is provided at the connection location between the connection structure and the second portion.

In a further preferred scheme, the protection structure is arranged in a hollow semi-sphere shape, and the protection structure is sleeved and connected with a connecting structure arranged at the tail part of the first part.

In a further preferred embodiment, the protective structure is an elastic structure.

In a further preferred embodiment, the second portion is provided as any one of a suction bulb, a syringe, and a push-type container or as a ureter.

In a further preferred aspect, the push type container for delivering a medicine to the first part by air pressure includes: a container for holding a medicament; the draft tube is arranged on the container and is connected with the connecting structure arranged at the tail part of the first part; and the pressing piece is arranged on the container and is used for conveying the medicine in the container to the guide pipe through pressing operation and further conveying the medicine to the first part.

The utility model has the advantages that:

compared with the prior art, the utility model provides a structure of catheter includes: a first portion for extending into the bladder; a second part connected with the first part and arranged outside the bladder, wherein the second part is used for containing medicine and inputting the medicine into the bladder or guiding urine through the first part; and the protective structure is arranged at the tail part of the first part and is used for preventing medicine or urine from overflowing. The utility model provides an usable first portion of catheter is deepened the bladder and is carried out the catheterization, later usable second portion that holds the medicine is the interior medicine of adding of patient ureter or bladder to reach and alleviate and treat patient's sick and painful, anti-inflammatory or anti-infectious effect, the protective structure who sets up at first portion afterbody can prevent that urine or liquid medicine are excessive to drip on quilt cover and sheet, keep the local dry of perineum portion, also guarantee when sanitary and avoid patient's affected part local stimulation, prevent to induce the infection.

Drawings

Fig. 1 is a schematic view of a catheter according to embodiment 1 of the present invention.

Fig. 2 is a schematic view of a catheter according to embodiment 2 of the present invention.

Fig. 3 is a schematic view of a catheter according to embodiment 3 of the present invention.

Fig. 4 is an enlarged schematic view of the catheter head according to the present invention.

Fig. 5 is a top view of the catheter head of the present invention.

Fig. 6 is a schematic view of the type of the universal end of the catheter of the present invention.

Figure 7 is a schematic view of a ureter fitted with a catheter of the present invention.

Figure 8 is a schematic view of a second portion of a catheter of the present invention configured as a ureter.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the use of current catheter, because catheter front end and bladder neck laminating nature are poor, often have the urine to spill from the catheter side after settling, drip on the sheet is covered, and is extremely unhygienic, makes local skin stimulation even, causes the inflammation, and current catheter does not have to amazing administration structure for often bear very big misery when the patient uses the catheter. If a medicine feeding mechanism is added to the catheter, and a protective cover is additionally arranged at the tail part of the urethral catheterization end where urine is easy to overflow, the problems can be effectively solved.

Based on the above technical problem, the utility model provides a catheter for catheterization and medicine feeding, as shown in fig. 1, including stretching into the first portion 110 in the bladder, with first portion 110 is connected, and arranges the second portion 100 in the bladder outside in for connect the connection structure 130 between first portion 110 and the second portion 100, set up the cavity semicircle sphere protective structure 120 that is used for preventing urine from spattering outward on connection structure 130, the hookup location department between connection structure 130 and the second portion 100 is provided with sealed rubber structure 140.

Preferably, in this embodiment, the second portion 100 may be a container for holding a drug and delivering the drug into the bladder through the first portion 110 (as shown in fig. 1-3), or may be configured as a ureter, forming a catheterization structure (as shown in fig. 8). That is, the catheter in this embodiment can form both a urethral catheterization structure and a drug delivery structure for delivering drugs into the bladder after the completion of the urethral catheterization, and therefore, the catheter in this embodiment has both a urethral catheterization function and a function of delivering drugs into the urethra or the bladder.

Specifically, first portion 110 is the body, the afterbody of body is protruding form 150, and its effect provides a cushion chamber, is convenient for observe the circumstances that the urine was discharged when urinating, and simultaneously, the urine in the cushion chamber is because the sectional area is big, and the liquid level receives pressure great, and the urine is derived more easily. The structure of the protrusion 150 can also be used as a critical point to prevent the first portion 110 from extending too far into the front of the body to cause pain to the patient; the structure of the convex 150 and the pipe body at the front end are in smooth transition, so that the body of a patient can not be injured, and the pipe body can be effectively attached to the urethral orifice.

Preferably, as shown in fig. 4 and 5, the tube head of the first portion 110 is further provided with a plurality of through holes 111, and the through holes 111 are used for discharging urine (when urination is performed) and delivering drugs (when drugs are delivered); furthermore, the number of the through holes 111 can be set to be 2-4 according to the type of the catheter, and 4 through holes 111 are selected in the top view of the head part in fig. 5, so that the liquid medicine spraying device has the advantages that the liquid medicine can be sprayed in all directions, and the affected parts can be uniformly covered; the quantity to the through-hole 111 of small-size can set up to 2, and the advantage is the toughness of guaranteeing the 110 body heads of first portion of catheter, simultaneously, when setting up 2 through-holes, compare and set up 4 through-holes, adaptable body is enlargied the through-hole diameter, and its aim at makes things convenient for the urine to derive. It should be noted that the number of the through holes arranged on the head portion of the first portion 110 can be different, and it is obvious to those skilled in the art that modifications and variations can be made in the light of the above description, and all such modifications and variations are within the scope of the present invention.

Preferably, as shown in fig. 1, a connection structure 130 is disposed at the tail of the first portion 110, the connection structure 130 is a cylindrical structure, the interior of the connection structure 130 is hollow, a screw thread or a locking groove is disposed at the connection position of the connection structure 130 and the second portion 100, and the first portion 110 and the second portion 100 can be connected through the screw thread or the locking groove, i.e., a detachable connection structure (i.e., a screw thread connection structure and a locking connection structure) is formed. When the second portion 100 is a container containing a drug (as shown in fig. 1-3), in particular uses, the drug in the second portion 100 can be delivered directly to the first portion 110 and then through the first portion 110 into the bladder of the patient. Alternatively, the first section 110 may be fitted to the ureter 400 via the ureter 400 (shown in fig. 7) to deliver a drug into the bladder via the ureter.

Further, the second portion 100 of the present embodiment may be configured as a ureter 400 and coupled to the first portion 110 to form a catheterization structure. For example, the connection structure 130 of the first portion 110 and the ureter 400 can be directly connected (as shown in fig. 8), and the connection structure can also be a detachable connection structure (including a threaded connection and a snap connection), so that the ureter 400 can be replaced conveniently. In particular, the first portion 110 is placed in the bladder of a patient and urine is removed through the ureter 400. It can be seen that, since the second portion 100 of the present embodiment is configured as the container for holding the medicine and also configured as the ureter 400, when the first portion 110 is connected to the ureter 400, a kind of catheterization structure is formed for catheterization, and in particular, when in use, the ureter 400 is used for receiving the urine guided out by the first portion 110 and guiding the urine to other containers, and when the first portion 110 is connected to the container for holding the medicine, three embodiments shown in fig. 1, 2 and 3 are formed for medicine delivery. Preferably, the ureter 400 is made of an elastic member which can be a soft rubber type, the shape of the conduit can be changed as required, and the matched ureter 400 is the same as the existing medical ureter, and only the top end is provided with a thread or a clamping groove matched with the connecting structure 130.

Further, the connection structure 130 in this embodiment is further provided with a protection structure 120 outside, the protection structure 120 is configured to be a hollow semi-sphere, and the protection structure 120 is an elastic structure. The protective structure 120 functions to prevent urine or medical fluid from leaking along the junction of the connecting structure 130 and the second portion 100. In practical application, when seepage occurs, liquid flows out along the joint of the connecting structure 130 and the second part 100 and flows into the inner wall of the protective structure 120, and the open end of the protective structure 120 faces upwards to serve as a cup body, so that more time can be effectively obtained for treating the seeped liquid; the protective structure 120 is configured as a resilient structure to prevent the structure from scratching the patient. Preferably, a rubber structure 140 for sealing is further provided at the connection position of the connection structure 130 and the second portion 100, and the rubber structure 140 is used for preventing the connection position of the connection structure 130 and the second portion 100 from leaking (i.e. preventing the medicine in the container from leaking or the urine in the ureter 400 from leaking), so as to ensure the sanitation and safety of the device.

Preferably, this embodiment allows the first section 110, the connecting structure 130, the guard structure 120 and the rubber structure 140 of the catheter to be combined into a common part which is mass produced as a single-use structure and which can be adapted to a plurality of types of second sections 100. The universal part can be arranged into an integrated structure, and the components of the universal part do not need to be assembled when in use, so that the treatment time of medical care personnel and patients is saved.

Preferably, as shown in fig. 6, the universal section of the catheter of the present invention is provided with a plurality of models, and the sizes of the different models are different, so that the model suitable for the patient is selected according to the age, body type and other physiological characteristics of the patient.

Preferably, as shown in fig. 1, 2, 3, and 7, the second section 110 of the catheter of this embodiment is in a variety of forms, including a transparent suction bulb 100 (along with the reference numerals of the second section 100), a medical syringe 200, a push-type container 300, and a ureter 400. The transparent suction bulb 100, the medical syringe 200, and the push type container 300 are containers for containing a liquid medicine. The following is illustrated by way of specific examples:

in this embodiment the second portion 100 is first the ureter 400 and then the second portion 100 is configured as a transparent suction bulb for holding the drug, which allows the volume of the drug to be observed.

In operation, as shown in fig. 8, drug delivery is typically performed after catheterization, so in this embodiment the common section of the catheter (including the first section 110, the connecting structure 130, and the protective structure 120) may be first connected to the ureter 400 (i.e., the second section 100 is the ureter 400) to form a catheterization structure. In particular use, the first portion 110 is introduced into the bladder of a patient while a container is positioned below the ureter 400 for recording the volume of urine and storing the urine, and then catheterization is performed, with the urine being introduced into the container through the ureter 400. If a leak occurs at the connection portion of the connection structure 130 and the ureter 400 during catheterization, the open end of the protective structure 120 can be lifted upwards, the catheter is lifted, catheterization is stopped, and the medical staff has enough time to handle the urine in the protective structure 120 and replace the ureter 400 according to the situation, so that catheterization is completed.

After confirming that the catheterization is completed, the ureter 400 is replaced with the transparent suction bulb 100 (i.e., the second portion is the transparent auricle 100), the ureter 400 can be separated along a predetermined thread of the combined portion by rotating the combined portion of the connection structure 130 and the ureter 400, and then replaced with the transparent suction bulb 100, and the upper end of the transparent suction bulb 100 is also predetermined with a thread adapted to the connection structure 130, and is tightly attached to the connection structure by rotating the transparent suction bulb 100. The transparent suction ear ball 100 is filled with the medicine to be sprayed inside the bladder of the patient, and by squeezing the transparent suction ear ball 100, the liquid medicine in the ball is sprayed on the inner wall of the bladder of the patient through the through hole 111 at the front end of the first part 110, and then is pulled out of the first part 110 in the urethra of the patient. According to the steps, in the whole process of catheterization and medicine application, a patient only experiences the pain process of inserting and pulling the catheter once, the medicine can be sprayed to the patient directly, the effect of killing two birds with one stone is achieved, the protective structure 130 can effectively prevent urine from leaking from the side edge of the catheter and dropping on a bedsheet quilt cover, the bedsheet quilt cover is extremely insanitary, and even local skin is stimulated to cause inflammation. The transparent ear suction ball 100 has simple structure, convenient use and extremely low cost, is widely used in medical appliances, not only can meet the medicine feeding requirement of the novel catheter, but also reduces the cost.

Preferably, the second part 100 of the present embodiment may also be a medical injector 200 for containing a medicament.

In the specific operation, the catheterization structure is the same as that of the first embodiment, and is not repeated herein, please refer to the description of the catheterization section of the first embodiment.

After the completion of catheterization is confirmed, the ureter 400 is replaced with a medical syringe 200, the medical syringe 200 contains a medicine to be sprayed into the patient ureter or bladder, and by pushing the medical syringe 200, the medicine liquid in the medical syringe 200 is sprayed onto the inner wall of the patient ureter or bladder through the through hole 111 at the front end of the first portion 110, and then the first portion 110 in the patient urethra is removed. The second portion 200 that this embodiment will hold the medicine uses for medical injector 200, and medical injector 200's advantage is scaled, can carry out more accurate control to the medicine that sprays, carries the medicine with the mode of injection simultaneously and also accords with medical personnel's use habit, and medical injector uses extensively in the hospital, acquires simply, and is safe in utilization, and low in cost is fit for this novel catheter extremely.

Preferably, the second portion 100 of the present embodiment may also be a push-type container 300 for containing a medicament.

In the specific operation, the catheterization structure is the same as that of the first embodiment, and is not repeated herein, please refer to the description of the catheterization section of the first embodiment.

After the completion of catheterization is confirmed, the ureter is replaced by a press type container 300, the press type container is filled with a medicine to be input into the patient ureter or the bladder, the top of the press type container 300 is provided with an airtight sealing cover 330, the airtight sealing cover 330 is provided with a button 320, an air compressing device is arranged inside the button 320, external air can be injected into the press type container 300 by pressing the button 320, the liquid medicine in the press type container 300 is subjected to the strong pressure of the air pressure in the container, is conveyed to an external administration tube 310 through an internal administration tube 340, is further sprayed on the inner wall of the bladder of the patient through a through hole 111 extending into the front end of the first part 110 of the bladder, and is taken out of the first part 110 in the urethra of the patient. The second portion that this embodiment will hold the medicine uses for pressing the type container, and the advantage of pressing the type container is easy operation, and the security is high, and outside pipe 310 of dosing can set up different length, makes to press the type container and keep away from patient, reduces patient psychological burden, and to a patient simultaneously, pressure vessel repeatedly usable only changes outside and doses the germ that the pipe can completely cut off the catheterization in-process and be infected with, effectively alleviates disease economic burden.

To sum up, the utility model discloses a catheter can also realize multi-functional demand through an intubate to patient's bladder inside medicine loading except traditional catheterization function, has greatly alleviateed patient's misery, and simultaneously, this catheter still has low in cost, and the commonality is high, and safety and sanitation's characteristics are to using catheter medical appliances a great deal of inconvenience and carry out effective improvement to current disease.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. A urinary catheter for catheterization and drug administration, the urinary catheter comprising: a first portion for extending into the bladder; a second part connected with the first part and arranged outside the bladder, wherein the second part is used for containing medicine and inputting the medicine into the bladder or guiding urine through the first part; and the protective structure is arranged at the tail part of the first part and is used for preventing medicine or urine from overflowing.

2. The catheter for urinary catheterisation and drug delivery according to claim 1, wherein the first portion is a tubular body, the end portion of the tubular body is convex, and the size of the end portion of the tubular body is larger than the size of the head portion of the tubular body.

3. The urinary catheter for catheterization and drug delivery of claim 2, wherein the head of the tube body is provided with a plurality of through holes, and the plurality of through holes are used for conveying the drugs into the ureter or the bladder.

4. A catheter for urinary catheterisation and drug delivery as claimed in claim 1, wherein the tail of the first portion is provided with a connection structure for connection with the second portion, whereby the connection between the first portion and the second portion is detachable.

5. A catheter for catheterization and drug delivery according to claim 4, characterized in that said detachable connection comprises: a threaded connection or a snap connection.

6. A catheter for urinary catheterisation and drug delivery according to claim 5, characterized in that a rubber structure for sealing is provided at the connection between the connection structure and the second portion.

7. A catheter for urinary catheterisation and drug delivery as claimed in claim 4, wherein the protecting structure is provided in the shape of a hollow semi-sphere and is sleeved and connected with a connecting structure provided at the tail of the first portion.

8. The catheter for urinary catheterisation and drug delivery according to claim 7, wherein the protective structure is an elastic structure.

9. A catheter for urinary catheterisation and administration according to claim 4, wherein the second portion is provided as any one of an ear-sucking ball, a syringe and a push-type container or as a ureter.

10. The urinary catheter for catheterization and drug delivery of claim 9, wherein the pressure type container is used for conveying the drug to the first portion by air pressure, and comprises: a container for holding a medicament; the draft tube is arranged on the container and is connected with the connecting structure arranged at the tail part of the first part; and the pressing piece is arranged on the container and is used for conveying the medicine in the container to the guide pipe through pressing operation and further conveying the medicine to the first part.

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