CN219595549U - Ureteral catheter and catheter assembly - Google Patents

Abstract

The utility model discloses a ureteral catheter and a catheter assembly, wherein the ureteral catheter comprises a catheter main body which is transversely arranged, the left end and the right end of the catheter main body are respectively called a head end and a tail end, the tail end is open, the head end is closed, the head end is provided with a drainage hole and a guide wire hole, the drainage hole is arranged along the radial direction of the catheter main body, and the guide wire hole is transversely arranged. Through setting up the seal wire hole, the pipe main part can pass through the seal wire, and the doctor of being convenient for utilizes the operation of seal wire guide endoscope treatment. The catheter assembly comprises a connecting seat and the ureteral catheter, wherein the connecting seat is detachably connected with the catheter body, and the connecting seat is provided with a C-shaped groove. When in treatment, the ureteral catheter is generally used together with the catheter, the ureteral catheter can be installed on the connecting seat by arranging the connecting seat, then the C-shaped groove is clamped on the outer side of the catheter, the connecting seat is installed on the catheter, the ureteral catheter is attached to the catheter, a supporting point is added for the ureteral catheter, and the ureteral catheter is prevented from shaking around to cause the catheter to be taken off.

Description

Ureteral catheter and catheter assembly

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a ureteral catheter and a catheter assembly.

Background

Ureteral catheters are catheters which are inserted into the ureter by retrograde menstruation and bladder and led out of the body, and are clinically used for draining upper urinary tract urine or injecting medicines, contrast agents and the like into the upper urinary tract. The existing ureteral catheter, such as the ureteral catheter disclosed in patent CN213527022U, is tubular with one end closed, and has some disadvantages in use: 1. difficult to guide the operation of endoscopic treatment by a guide wire; 2. inconvenient to connect to a syringe; 3. the pipe is easy to be removed due to the swing around; 4. it is inconvenient to connect to the drainage bag.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the present utility model proposes a ureteral catheter and a catheter assembly.

The ureteral catheter according to the embodiment of the first aspect of the present utility model comprises a catheter body which is transversely arranged, wherein the left end and the right end of the catheter body are respectively called a head end and a tail end, the tail end is open, the head end is closed, the head end is provided with a drainage hole and a wire guide hole, the drainage hole is arranged along the radial direction of the catheter body, and the wire guide hole is transversely arranged.

The ureteral catheter according to the embodiment of the first aspect of the present utility model has at least the following technical effects: when in use, the drainage hole can be used for draining the urine in the upper urinary tract or injecting medicines into the upper urinary tract; through setting up the seal wire hole, the pipe main part can pass through the seal wire, and the doctor of being convenient for utilizes the operation of seal wire guide endoscope treatment.

According to some embodiments of the utility model, the tail end is provided with a connecting part, the connecting part is cone-shaped, and the diameter of the connecting part gradually increases from left to right. By arranging the connecting part, the nipple of the injector can be directly inserted into the connecting part when the medicine is injected, so that the connection between the catheter main body and the injector is facilitated.

According to some embodiments of the utility model, the diameter of the guidewire port is 0.032 inches. The diameter of the guide wire hole is consistent with that of a common zebra guide wire, and the zebra guide wire can smoothly slide in the guide wire hole and cannot shake unstably in the guide wire hole.

The catheter assembly according to the embodiment of the second aspect of the utility model comprises the connecting seat and the ureteral catheter, wherein the connecting seat is detachably connected with the catheter main body, and the connecting seat is provided with a C-shaped groove.

The catheter assembly according to the embodiment of the second aspect of the utility model has at least the following technical effects: when in treatment, the ureteral catheter is generally used together with the catheter, the ureteral catheter can be installed on the connecting seat by arranging the connecting seat, then the C-shaped groove is clamped on the outer side of the catheter, the connecting seat is installed on the catheter, the ureteral catheter is attached to the catheter, a supporting point is added for the ureteral catheter, and the ureteral catheter is prevented from shaking around to cause the catheter to be taken off.

According to some embodiments of the utility model, the connector is provided with a first through hole, and the catheter body is connected with the first through hole in an interference fit manner. Thus, the duct main body is tightly attached to the wall of the first through hole, and has certain friction force, so that relative sliding between the connecting seat and the ureteral duct is prevented.

According to some embodiments of the utility model, the connector is in the form of a sheet. The connecting seat is small in size and small in occupied space, and has small influence on other medical care operations of medical staff.

According to some embodiments of the utility model, the connection mount is a plastic member. The connecting seat is a plastic component with smaller hardness, so that the connecting seat is prevented from damaging the catheter and the ureteral catheter.

According to some embodiments of the utility model, the tail end is provided with a cap, which cap is detachably connected to the tail end. Through setting up the pipe cap, can seal the tail end after pouring into the medicine through ureteral catheter, prevent that the foreign matter from getting into ureteral catheter, take off the pipe cap again when need pour into the medicine again.

According to some embodiments of the utility model, the cap is provided with an inner cavity, the cap is provided with a connector, the connector is provided with a containing cavity, the containing cavity is provided with a main body part and a narrowing part, the main body part is communicated with the ureteral catheter through the inner cavity, and the narrowing part is provided with an opening. Through setting up the connector, the pagoda head of drainage bag can be followed the open mouth and inserted the holding chamber, then in arranging main part in, and the narrowing portion can prevent that the pagoda head from becoming flexible to fall out, and the pipe cap can play the effect of adapter promptly, and the ureter catheter of being convenient for is connected to the drainage bag.

According to some embodiments of the utility model, the cap is threadably connected to the tail end. Therefore, the pipe cap is compact in connection with the tail end, and easy to assemble and disassemble.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a catheter assembly according to an embodiment of the present utility model in use;

FIG. 2 is a schematic illustration of an exploded construction of a catheter assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a catheter assembly of an embodiment of the present utility model.

In the accompanying drawings:

001-urinary catheter; 100-connecting seats; a 110-C type groove; 120-a first through hole; 200-catheter body; 201-a guidewire hole; 202-drainage holes; 210-a connection; 211-annular flange; 300-pipe cap; 310-connecting heads; 311-body portion; 312-narrowing; 313-open.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model. Further, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. is understood to exclude the present number, and the meaning of above, below, within, etc. is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Ureteral catheters and catheter assemblies according to embodiments of the present utility model are described below with reference to fig. 1-3.

The ureteral catheter according to the embodiment of the first aspect of the present utility model includes a catheter body 200 that is transversely disposed, wherein the left end and the right end of the catheter body 200 are respectively referred to as a head end and a tail end, the tail end is open, the head end is closed, the head end is provided with a drainage hole 202 and a guide wire hole 201, the drainage hole 202 is disposed along the radial direction of the catheter body 200, and the guide wire hole 201 is transversely disposed.

As shown in fig. 3, the catheter main body 200 is a circular tube, the closed end of the catheter main body 200 is called a tube cover, the tube cover is in a shape of an arc protruding leftwards, the wire guide hole 201 is arranged in the center of the tube cover, the wire guide hole 201 is a through hole formed in the center of the tube cover, and the wire guide hole 201 penetrates through the tube cover along the axial direction of the catheter main body 200, so that when a wire guide is inserted from the tail end of the catheter main body 200, the end of the wire guide extends into the head end of the catheter main body 200, and when the end of the wire guide can slide to the wire guide hole 201 along the inner side of the arc-shaped tube cover, the wire guide can conveniently align with the wire guide hole 201 and then extend out of the wire guide hole 201; the drainage holes 202 penetrate through the pipe wall of the catheter body 200 along the radial direction of the catheter body 200, the drainage holes 202 are through holes formed in the pipe wall of the catheter body 200, and the number of the drainage holes 202 can be multiple.

In use, the drainage aperture 202 can be used to drain or infuse medication into the upper urinary tract; by providing the guide wire hole 201, the guide wire can be passed through the catheter body 200, so that a doctor can conveniently guide the operation of the endoscopic treatment by using the guide wire.

In some embodiments of the present utility model, the tail end is provided with a connection portion 210, the connection portion 210 has a cone shape, and the diameter of the connection portion 210 increases gradually from left to right. The connection part 210 and the catheter body 200 may be an integral member, or the connection part 210 may be a separate member attached to the tail end of the catheter body 200, and the inner space of the connection part 210 communicates with the catheter body 200; the inner diameter of the ureteral catheter is generally smaller than the outer diameter of the nipple of the syringe, and the nipple of the syringe cannot be directly inserted into the ureteral catheter, and the connection part 210 is provided, so that the nipple of the syringe can be directly inserted into the connection part 210 when the medicine is injected, thereby facilitating the connection between the catheter main body 200 and the syringe.

In some embodiments of the utility model, the diameter of the guidewire port 201 is 0.032 inches. The diameter of the guide wire hole 201 is consistent with that of a common zebra guide wire, the zebra guide wire can smoothly slide in the guide wire hole 201 and can not shake and unstably in the guide wire hole 201, the catheter main body 200 is a flexible material member, and the catheter main body 200 can be made of medical polyethylene materials or medical polypropylene materials.

The catheter assembly according to the second aspect of the present utility model includes the connection base 100 and the ureteral catheter described above, the connection base 100 is detachably connected to the catheter body 200, and the connection base 100 is provided with the C-shaped groove 110.

As shown in fig. 2, the connection base 100 is provided with a through hole for the catheter main body 200 to pass through so as to realize the detachable connection between the catheter main body 200 and the connection base 100, and of course, the connection base 100 can also be provided with a clamping structure, a binding structure and a clamping structure so as to realize the detachable connection with the catheter main body 200; the C-shaped groove 110 is disposed at the top of the connection seat 100, the C-shaped groove 110 extends back and forth, both ends of the C-shaped groove 110 penetrate through the connection seat 100, and the cross section of the C-shaped groove 110 is in a shape of "C", that is, the cross section of the C-shaped groove 110 is in a shape of a circular truncated top.

When the ureteral catheter is used together with the catheter 001 during treatment, the ureteral catheter can be installed on the connecting seat 100 by arranging the connecting seat 100, referring to fig. 1, then the C-shaped groove 110 is clamped on the outer side of the catheter 001, so that the connecting seat 100 is installed on the catheter 001, the ureteral catheter is attached to the catheter 001, a supporting point is added for the ureteral catheter, and the ureteral catheter is prevented from shaking around to cause the catheter detachment. In addition, a plurality of connection seats 100 may be provided between the ureteral catheter and the urinary catheter 001 for enhanced stability.

In some embodiments of the present utility model, the connection pad 100 is provided with a first through hole 120, and the catheter body 200 is connected with the first through hole 120 in an interference fit. Thus, the catheter main body 200 can be connected with/separated from the connection base 100 by being inserted into/extracted from the first through hole 120, and the catheter main body 200 is tightly attached to the wall of the first through hole 120, so that a certain friction force is provided to prevent relative sliding between the connection base 100 and the ureteral catheter.

In some embodiments of the present utility model, the connection holder 100 is in the form of a sheet. The connecting seat 100 is arranged parallel to the side plane, the first through hole 120 transversely penetrates through the connecting seat 100, the first through hole 120 is arranged at the front side of the connecting seat 100, and the C-shaped groove 110 is arranged at the rear side of the connecting seat 100; the connecting seat 100 is small in size and small in occupied space, and has small influence on other medical care operations of medical staff.

In some embodiments of the present utility model, the connection base 100 is a plastic member. After the connecting seat 100 is arranged in a sheet shape, the contact area between the connecting seat 100 and the catheter 001 and ureteral catheter is smaller, and the pressure intensity is larger; by providing the connection holder 100 as a plastic member with a smaller hardness, the connection holder 100 is prevented from damaging the catheter 001 and the ureteral catheter.

In some embodiments of the present utility model, the tail end is provided with a cap 300, and the cap 300 is detachably connected to the tail end. The pipe cap 300 and the tail end can be detachably connected in a clamping way, a threaded connection way, a bolt connection way and the like; by arranging the tube cap 300, the tail end can be closed after the medicine is injected through the ureteral catheter, so that foreign matters are prevented from entering the ureteral catheter, and the tube cap 300 is removed when the medicine is needed to be injected again.

In some embodiments of the utility model, the cap 300 is provided with an inner cavity, the cap 300 is provided with a connector 310, the connector 310 is provided with a receiving cavity, the receiving cavity is provided with a main body part 311 and a narrowing part 312, the main body part 311 is communicated with the ureteral catheter through the inner cavity, and the narrowing part 312 is provided with an opening 313. The drainage bag is generally provided with a pagoda head so as to be convenient for connecting pipes, such as a disposable safe drainage bag (publication number: CN 214859655U), the pagoda head is in a round table shape, and one end of the pagoda head with larger diameter is provided with a connecting pipe connected to the drainage bag; the pipe cap 300 and the connector 310 may be made of polyethylene or other flexible materials, referring to fig. 3, the narrowing portion 312 is disposed on the right side of the main body portion 311, the main body portion 311 is in a shape of a circular truncated cone, the diameter of the main body portion 311 gradually increases from left to right to accommodate the pagoda head, the left end of the main body portion 311 is communicated to the inner cavity, the diameter of the narrowing portion 312 is smaller than the diameter of the right end of the main body portion 311, the opening 313 is disposed on the right end of the narrowing portion 312, the pagoda head can be pulled out by pulling the connecting pipe outwards while the pagoda head is prevented from falling out, and the assembly and disassembly between the pagoda head and the connector 310 are simple; through setting up connector 310, the pagoda head of drainage bag can be followed opening 313 and inserted the holding chamber, then put into main part 311, and the portion of narrowing 312 can prevent the pagoda head and become flexible to fall out, and cap 300 can play the effect of adapter promptly, and the liquid in the pipe main part 200 can flow to the drainage bag in through cap 300, connector 310, pagoda head, and the ureter catheter of being convenient for is connected to the drainage bag.

In some embodiments of the utility model, cap 300 is threaded with the trailing end. The right end of the connecting part 210 is provided with an annular convex edge 211, the pipe cap 300 is provided with an internal thread, and the annular convex edge 211 is meshed with the internal thread, so that the pipe cap 300 can be connected with the tail end in a threaded manner; thus, the pipe cap 300 is compact in connection with the tail end and easy to assemble and disassemble.

While the preferred embodiment of the present utility model has been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (9)

1. A ureteral catheter, characterized in that: the guide tube comprises a guide tube body which is transversely arranged, wherein the left end and the right end of the guide tube body are respectively called a head end and a tail end, the tail ends are open, the head end is closed, the head end closed part of the guide tube body is called a tube cover, the tube cover is in a left-protruding arc shape, the head end is provided with a drainage hole and a wire guide hole, the drainage hole is arranged along the radial direction of the guide tube body, the wire guide hole is transversely arranged, the wire guide hole is arranged in the center of the tube cover, the wire guide hole is a through hole arranged in the center of the tube cover, and the wire guide hole penetrates through the tube cover along the axial direction of the guide tube body; the tail end is provided with a connecting part which is cone-shaped, and the diameter of the connecting part is gradually increased from left to right.

2. The ureteral catheter according to claim 1, characterized in that: the diameter of the guidewire port was 0.032 inches.

3. A catheter assembly comprising a connection hub and a ureteral catheter according to claim 1 or 2, the connection hub being detachably connected to the catheter body, the connection hub being provided with a C-shaped groove.

4. A catheter assembly according to claim 3, wherein: the connecting seat is provided with a first through hole, and the catheter main body is connected with the first through hole in an interference fit mode.

5. A catheter assembly according to claim 3, wherein: the connecting seat is sheet-shaped.

6. The catheter assembly of claim 5, wherein: the connecting seat is a plastic component.

7. A catheter assembly according to claim 3, wherein: the tail end is provided with a pipe cap which is detachably connected with the tail end.

8. The catheter assembly of claim 7, wherein: the utility model discloses a ureter catheter, including the pipe cap, the pipe cap is equipped with the inner chamber, the pipe cap is equipped with the connector, the connector is equipped with the accommodation chamber, the accommodation chamber has main part and constriction, main part pass through the inner chamber with ureter catheter intercommunication, the constriction is equipped with uncovered.

9. The catheter assembly of claim 7, wherein: the pipe cap is in threaded connection with the tail end.