CN112370586B

CN112370586B - Disposable catheter based on reuse is prevented to uropoiesis surgery

Info

Publication number: CN112370586B
Application number: CN202011275217.5A
Authority: CN
Inventors: 王强; 何凌宇
Original assignee: Affiliated Hospital of Guizhou Medical University
Current assignee: Affiliated Hospital of Guizhou Medical University
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2022-03-18
Anticipated expiration: 2040-11-16
Also published as: CN112370586A

Abstract

The invention provides a disposable urethral catheter based on urology surgery anti-recycling, relates to the technical field of urology surgery equipment, and solves the problems that the urethral catheter is not provided with a corresponding mark to prove that the urethral catheter is used for the first time at present, the defect is easy to be drilled by illegal merchants, the urethral catheter used for the first time is washed and then sold for the second time, and diseases are easily spread and cross infection is caused. The utility model provides a disposable catheter based on reuse is prevented to uropoiesis surgery, includes the catheter, the catheter head end sets up respectively and is connected with catheterization end, washes end and injection end, and sealed the pegging graft in catheterization tip position has the urine bag plug of connecing. In the process of pulling out, the cutting edge end of the cutter completely cuts off the urethral catheterization end on the right side of the arc-shaped convex part, so that the urethral catheterization end of the urethral catheter cannot be used continuously, the disposable urethral catheter is prevented from being repeatedly used by other people, and the cross infection is avoided.

Description

Disposable catheter based on reuse is prevented to uropoiesis surgery

Technical Field

The invention belongs to the technical field of urological equipment, and particularly relates to a disposable urethral catheter based on urological reuse prevention.

Background

Medically, a catheter is inserted into the bladder via the urethra and urine is drained. Catheterization is divided into catheter indwelling catheterization and intermittent catheterization. The former catheter is always left in the body of a patient, and the catheter should be pulled out as soon as possible after the patient is approved, and needs to be replaced regularly. The latter is used for catheterization every 4-6 hours, and the catheter is pulled out after the bladder is emptied.

For example, application No.: 201510225106.6 the invention discloses a preparation process of a novel sacculus catheter and the novel sacculus catheter obtained by the process. The utility model provides a novel sacculus catheter, includes the body, and the body includes inlayer pipe and elastic skin, still is equipped with one between inlayer pipe and the skin and is used for connecting inlayer pipe and outer dielectric layer, has seted up sacculus filling chamber way in the inlayer pipe wall, is equipped with the outage at the body distal end, still including setting up the isolation layer that meets water adhesion power reduction at the body distal end, the isolation layer setting is perhaps between dielectric layer and skin the isolation layer set up between inlayer pipe and dielectric layer to sacculus filling chamber way extends to the position of isolation layer. The invention aims to provide a novel balloon catheter which can ensure that no step exists between a balloon structure and a catheter body, the diameter of the balloon structure is consistent with that of the catheter body, medical risks in use of products and processing difficulty in product processing are reduced, and meanwhile, the invention also provides a preparation process of the novel balloon catheter.

Based on the search of the above patent and the discovery of combining the equipment in the prior art, the catheter is disposable medical equipment, but the catheter does not have corresponding sign to prove that the catheter is used for the first time at present, the defect is easy to be drilled into the hollow space by illegal merchants, the catheter used for the first time is washed and then sold for the second time, and diseases are easily spread and cross infection is easily caused.

Disclosure of Invention

In order to solve the technical problems, the invention provides a disposable urinary catheter based on urinary surgery recycling prevention, which aims to solve the problems that the existing urinary catheter is a disposable medical device, but the urinary catheter does not have corresponding identification to prove that the existing urinary catheter is used for the first time, the defect is easily caused by that a user can easily drill a hollow body, the used urinary catheter is washed and then sold for the second time, diseases are easily spread, and cross infection is caused.

The invention relates to a disposable urethral catheter based on urinary surgery reuse prevention, which is achieved by the following specific technical means:

a disposable urethral catheter based on uropoiesis surgery anti-reuse comprises a urethral catheter, wherein the head end of the urethral catheter is respectively provided with a urethral catheterization end, a flushing end and a medicine injection end, and the end position of the urethral catheterization end is hermetically spliced with a urine bag plug; two groups of cutting mechanisms are arranged on the urine receiving bag plug in an annular array shape; the cutting mechanism comprises a cutter, the cutter is welded at the top end of the rectangular block, the left end face of the rectangular block is attached to the left end face of the accommodating groove under the ordinary extending state of the reset spring, the cutter is located at the arc-shaped protruding position, and the cutting edge end of the cutter faces towards the right side.

Further, the catheter is including the arc arch, and catheterization end position is the annular array form and is provided with two arc archs altogether, and arc arch and catheterization end formula structure as an organic whole to arc arch is unanimous with catheterization end thickness.

Furthermore, the urine bag plug comprises an annular stop block, a sleeve joint, a plug and a urine guide hole, the annular stop block is fixedly sleeved at the right end part of the peripheral surface of the plug, the sleeve joint is arranged at the axis part of the right end surface of the plug, and the urine guide hole penetrating through the plug is formed in the axis part of the sleeve joint.

Furthermore, the urine receiving bag plug comprises a containing groove, a rotating shaft and a spring containing groove, wherein the periphery of the plug is in an annular array shape, the containing groove is formed at two positions, the left end face and the right end face of the containing groove are inclined end faces, the left end face and the right end face of the containing groove are connected in a smooth transition mode, the rotating shaft is arranged at the axis position of the smooth transition of the containing groove, and the spring containing groove is formed in the left end face of the containing groove.

Furthermore, when the urine receiving bag plug is in an installation state, the plug is inserted into the urethral catheterization end in a sealing mode, and when the annular stop block is in a contact state with the urethral catheterization end, the two accommodating groove parts correspond to the two arc-shaped protruding parts respectively.

Further, shutdown mechanism is including rectangle piece, reset spring and pivot hole, and semicircular structure is adopted to rectangle piece bottom, and a pivot hole has been seted up at rectangle piece semicircular structure's axle center position, and a rectangle piece left end face fixedly connected with reset spring, and under the installation status, the rectangle piece rotates through the cooperation of pivot hole and pivot to be connected in accomodating the recess, and reset spring fixed connection is in spring accomodates the recess.

Further, under the rectangular block right-hand member face and the state of accomodating the recess right-hand member face and laminating mutually, rectangular block and cutter all accomodate in accomodating the recess completely.

Compared with the prior art, the invention has the following beneficial effects:

the invention is provided with a urine receiving bag plug matched with a catheter for application, and two groups of cutting mechanisms are arranged on the urine receiving bag plug in an annular array, when in application, the urine receiving bag catheter is fixedly sleeved on the sleeve connector, the plug is inserted from the urethral catheterization end of the catheter, in the plug insertion process, because the cutting edge end of a cutter in the cutting mechanism faces towards the right side, when the cutter contacts the urethral catheterization end, under the block of the urethral end, a rectangular block rotates rightwards along a containing groove through the matching of a rotating shaft hole and the rotating shaft, at the moment, the cutter is completely contained in the containing groove, the plug can be freely inserted into the urethral end of the catheter until the annular block contacts the urethral end, at the moment, the containing groove parts at two positions respectively correspond to two arc-shaped convex parts, and at the moment, under the block of the inner circumferential surface of the urethral end is not, a reset spring in a stretching state rebounds so as to drive the rectangular block to rotate leftwards along the containing groove through the matching of the rotating shaft hole and the rotating shaft, at this moment, the cutter is located the protruding position of arc, and the cutting edge end of cutter contacts with the inner peripheral surface at the protruding position of arc, when the catheter finishes using, when dismantling the catheter and receiving the urine bag pipe, when drawing the plug from the urine guiding end position outward, because of the cutting edge end of cutter contacts with the inner peripheral surface at the protruding position of arc, so when drawing the plug outward, the cutting edge end of this cutter will be in rigid sliding contact with the inner peripheral surface at the protruding position of arc for the cutting edge end of cutter cuts the protruding position of arc, and in the process of drawing outward afterwards, the cutting edge end of cutter cuts off the urine guiding end of the protruding position right side of arc completely, make the urine guiding end of catheter can't continue to use, thereby avoid disposable catheter by reuse, avoid the emergence of cross infection condition.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic sectional view of the urethral catheterization end of the present invention.

Fig. 3 is a schematic cross-sectional view of the urine bag connector of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the present invention at a part enlarged in fig. 3.

FIG. 5 is a schematic view of the cutting mechanism of FIG. 4 with the cutting mechanism removed.

Fig. 6 is a schematic sectional structure view of the arc-shaped protrusion part of the present invention.

FIG. 7 is a schematic view of the cutting mechanism of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a urinary catheter; 101. a urethral catheterization end; 102. flushing the end; 103. a medicine injection end; 104. an arc-shaped bulge; 2. a urine bag plug; 201. an annular stop block; 202. a casing joint; 203. a plug; 204. a urethral catheterization hole; 205. a receiving groove; 206. a rotating shaft; 207. a spring receiving recess; 3. a cutting mechanism; 301. a rectangular block; 302. a cutter; 303. a return spring; 304. and a rotating shaft hole.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the invention provides a disposable urethral catheter based on urinary surgery reuse prevention, which comprises: the head end of the catheter 1 is respectively provided with a urethral catheterization end 101, a flushing end 102 and a medicine injection end 103, and the part of the urethral catheterization end 101 is hermetically inserted with a urine bag receiving plug 2; two groups of cutting mechanisms 3 are arranged on the urine receiving bag plug 2 in an annular array; the cutting mechanism 3 comprises a cutter 302, the cutter 302 is welded at the top end of the rectangular block 301, the left end face of the rectangular block 301 is attached to the left end face of the accommodating groove 205 in the ordinary extension state of the return spring 303, the cutter 302 is located at the arc-shaped bulge 104, and the blade end of the cutter 302 faces towards the right side.

Wherein, catheter 1 is including arc arch 104, and catheterization end 101 position is the annular array form and is provided with two arc archs 104 altogether, and arc arch 104 and catheterization end 101 formula structure as an organic whole to arc arch 104 is unanimous with catheterization end 101 thickness.

The urine receiving bag plug 2 comprises an annular stopper 201, a sleeve joint 202, a plug 203 and a urine guide hole 204, the annular stopper 201 is fixedly sleeved at the right end of the outer peripheral surface of the plug 203, the sleeve joint 202 is arranged at the axial center of the right end surface of the plug 203, and the urine guide hole 204 penetrating through the plug 203 is formed at the axial center of the sleeve joint 202.

Wherein, connect urine bag plug 2 including accomodate recess 205, pivot 206 and spring and accomodate recess 207, the plug 203 periphery is personally submitted the annular array form and has seted up two places altogether and accomodate recess 205, accomodate about recess 205 terminal surface and be the inclined end face, and smooth transition between the terminal surface is connected about and, accomodate the axle center position of recess 205 smooth transition and be provided with a pivot 206, accomodate recess 205 left end face and seted up one spring and accomodate recess 207.

Wherein, under the installation state of the urine bag plug 2, the plug 203 is inserted in the urethral catheterization end 101 in a sealing way, and under the contact state of the annular stop block 201 and the urethral catheterization end 101, the two accommodating grooves 205 respectively correspond to the two arc-shaped bulges 104.

Wherein, shutdown mechanism 3 is including rectangular block 301, reset spring 303 and pivot hole 304, and semicircular structure is adopted to rectangular block 301 bottom, and a pivot hole 304 has been seted up to rectangular block 301 semicircular structure's axle center position, and rectangular block 301 left end face fixedly connected with reset spring 303, and under the installation status, rectangular block 301 rotates through the cooperation of pivot hole 304 with pivot 206 and is connected in accomodating recess 205, and reset spring 303 fixed connection is in spring accomodating recess 207.

Wherein, under the state that the right end face of rectangular block 301 and the right end face of accommodating groove 205 are laminated mutually, rectangular block 301 and cutter 302 are all accommodated in accommodating groove 205 completely.

When in use:

when the catheter 1 of the invention is applied, the plug 203 is inserted from the urethral catheterization end 101 of the catheter 1, in the process of inserting the plug 203, because the blade end of the cutter 302 in the cutting mechanism 3 faces towards the right side, when the cutter 302 contacts the urethral catheterization end 101, under the blocking of the urethral catheterization end 101, the rectangular block 301 rotates rightwards along the containing groove 205 by the matching of the rotating shaft hole 304 and the rotating shaft 206, and the return spring 303 is stretched, at the same time, the cutter 302 is completely contained in the containing groove 205, and under the blocking of the cutting mechanism 3, the plug 203 can be inserted into the urethral catheterization end 101 of the urethral catheter 1 without the blocking, until the annular block 201 contacts the urethral end 101, at the moment, the two containing grooves 205 correspond to the two arc-shaped bulges 104 respectively, and at the moment, under the blocking of the urethral end 101, the return spring 303 in the stretching state is reset and rebounds, thereby driving the rectangular block 301 to rotate leftwards along the accommodating groove 205 through the matching of the rotating shaft hole 304 and the rotating shaft 206, at this time, the cutter 302 is positioned at the arc-shaped bulge 104, and the blade end of the cutter 302 is contacted with the inner circumferential surface of the arc-shaped bulge 104; furthermore, two ends of the plug 203 are respectively inserted into two ends of the inner circumferential surface of the urethral catheterization end 101 in a sealing manner, and the receiving groove 205 is not communicated with the urethral catheterization hole 204, so that the normal application of the urinary catheter 1 is not influenced;

when the catheter 1 is completely used and the catheter 1 and the urine bag are detached, when the plug 203 is pulled out from the position of the urinary catheter end 101, the blade end of the cutter 302 is in contact with the inner circumferential surface of the arc-shaped protrusion 104, when the plug 203 is pulled out, the blade end of the cutter 302 is in hard sliding contact with the inner circumferential surface of the arc-shaped protrusion 104, so that the blade end of the cutter 302 cuts the arc-shaped protrusion 104, and in the subsequent pulling-out process, the blade end of the cutter 302 completely cuts off the urinary catheter end 101 on the right side of the arc-shaped protrusion 104, so that the urinary catheter end 101 of the catheter 1 cannot be used continuously, the disposable catheter 1 is prevented from being reused by other people, and the occurrence of cross infection is avoided.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A disposable catheter based on reuse is prevented to uropoiesis surgery which characterized in that: the catheter comprises a catheter (1), wherein the head end of the catheter (1) is respectively provided with a urethral catheterization end (101), a flushing end (102) and a medicine injection end (103), and a urine bag plug (2) is inserted in the position of the urethral catheterization end (101) in a sealing manner;

the catheter (1) comprises arc-shaped bulges (104), the positions of the urethral catheterization end (101) are provided with two arc-shaped bulges (104) in an annular array, the arc-shaped bulges (104) and the urethral catheterization end (101) are of an integrated structure, and the thicknesses of the arc-shaped bulges (104) and the urethral catheterization end (101) are consistent; the urine receiving bag plug (2) comprises a containing groove (205), a rotating shaft (206) and a spring containing groove (207), the outer periphery of the plug (203) is in an annular array shape, two containing grooves (205) are formed in the outer periphery of the plug, the left end face and the right end face of each containing groove (205) are both inclined end faces, the left end face and the right end face are connected in a smooth transition mode, the rotating shaft (206) is arranged at the axis position of the smooth transition of the containing grooves (205), and one spring containing groove (207) is formed in the left end face of each containing groove (205);

two groups of cutting mechanisms (3) are arranged on the urine receiving bag plug (2) in an annular array; the cutting mechanism (3) comprises a rectangular block (301), a reset spring (303) and a rotating shaft hole (304), the bottom end of the rectangular block (301) is of a semicircular structure, the rotating shaft hole (304) is formed in the axis position of the semicircular structure of the rectangular block (301), the left end face of the rectangular block (301) is fixedly connected with the reset spring (303), the rectangular block (301) is rotatably connected into a containing groove (205) through the matching of the rotating shaft hole (304) and a rotating shaft (206) in an installation state, and the reset spring (303) is fixedly connected into a spring containing groove (207); the rectangular block (301) and the cutter (302) are completely accommodated in the accommodating groove (205) under the condition that the right end face of the rectangular block (301) is attached to the right end face of the accommodating groove (205); cutting mechanism (3) have one cutter (302) including cutter (302), and rectangular block (301) top welding has one cutter (302), and under reset spring (303) the ordinary extension state, rectangular block (301) left end face laminated with accomodating recess (205) left end face mutually, cutter (302) are located the protruding (104) position of arc, and the cutting edge end of cutter (302) is towards the right side.

2. The urological anti-reuse disposable urinary catheter as claimed in claim 1, wherein: the urine receiving bag plug (2) comprises an annular stop block (201), a sleeve joint (202), a plug (203) and a urine guide hole (204), the right end part of the outer peripheral surface of the plug (203) is fixedly sleeved with the annular stop block (201), the shaft center part of the right end surface of the plug (203) is provided with the sleeve joint (202), and the shaft center part of the sleeve joint (202) is provided with the urine guide hole (204) penetrating through the plug (203).

3. The urological anti-reuse disposable urinary catheter as claimed in claim 1, wherein: when the urine bag plug (2) is installed, the plug (203) is plugged in the urethral catheterization end (101) in a sealing mode, and when the annular stop block (201) is in contact with the urethral catheterization end (101), the positions of the two containing grooves (205) correspond to the positions of the two arc-shaped bulges (104).