CN113230518B - Open type catheter introducer for urology surgery - Google Patents
Open type catheter introducer for urology surgery Download PDFInfo
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- CN113230518B CN113230518B CN202110487979.XA CN202110487979A CN113230518B CN 113230518 B CN113230518 B CN 113230518B CN 202110487979 A CN202110487979 A CN 202110487979A CN 113230518 B CN113230518 B CN 113230518B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
Abstract
The invention discloses an open type catheter introducer for urology surgery, which structurally comprises: the invention realizes the operation effect of air permeability filtration sterile anti-interference frame protection for protecting urethra by using the needle tube body and the film needle frame patch to match, and the operation effect of turbulence connection for smooth output of the urine guide tube drawing and butting fan plate core frame and the thin needle body to form wheel guide frame protection is formed by matching the end opening of the urine guide tube with the butt truss tube body and the needle frame clamping tube, so that the open urinary catheter with the urinary casing is internally provided with the anti-infection operation effect of urinary bladder urination assistance, and the urine discharge end opening is covered by a wrapping type flap, thereby avoiding the influence of infection spread caused by overlong urine guide retention time and improving the operation effect of sterile membrane nursing.
Description
Technical Field
The invention discloses an open type catheter introducer for urology surgery, and belongs to the field of urology medical treatment.
Background
Urethral dredging and bladder drainage in urology surgery are the keys for assisting the urinary system to be matched with the water flow of a human body to be discharged outwards, waste generated by fluid ingested by the human body is conveniently metabolized and discharged, urinary health is very important, patients need the rigor of medical care, and the defects of the prior art, which are public and need to be optimized, are as follows:
the built-in physiology organ of uropoiesis surgery forms the operation effect that the bladder swelling was prevented in the pipeline mediation to supplementary inconvenient physiology organ formation of micturition, but the urinary tract infection of urethra can be because the built-in back infection phenomenon that forms catheterization retention time of pipeline to after the open catheterization is influenced, the pipeline of putting into often with urethra contact nature infection environmental ventilation degree great, it is comparatively concentrated to the back infection degree of pipeline port and urethral orifice, cause subsequent physiology organ to develop and the bellyache still exists, supplementary protection degree is not enough.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an open type catheter introducer for urinary surgery to solve the problems that the built-in catheter of urinary surgery has the operation effect of assisting the inconvenient physiological organs in urination to form a pipeline to dredge and prevent bladder swelling, but urinary tract infection of urethra can form a reverse infection phenomenon of a catheterization retention time due to the built-in pipeline, so that after open type catheterization is influenced, the ventilation degree of the placed pipeline is often in contact with the urinary tract infection environment is high, the reverse infection degree of a pipeline port and a urethral orifice is concentrated, subsequent physiological organ development and abdominal pain still exist, and the auxiliary protection degree is insufficient.
In order to achieve the purpose, the invention is realized by the following technical scheme: open catheter introducer for urology surgery, its structure includes: the urethral catheterization device comprises a needle tube body, a film needle frame paster, a urethral catheterization hose, a valve tube cap cylinder and a shaft knob wheel block, wherein the film needle frame paster is nested on the left side of the urethral catheterization hose and is communicated with the left side of the urethral catheterization hose, the needle tube body is inserted in the film needle frame paster and is positioned on the same vertical surface, the urethral catheterization hose horizontally penetrates through the inside of the valve tube cap cylinder and is communicated with the left side of the urethral catheterization hose, the shaft knob wheel block is arranged on the right side of the urethral hose and is collinear with the axis of the urethral hose, the film needle frame paster is provided with a net frame hole wing plate, a truss tube body, a needle frame clamping tube and a film plate, the truss tube body is arranged on the right side of the needle frame clamping tube and is positioned on the same vertical surface, the needle frame clamping tube is inserted in the left side of the film plate, the truss tube is inserted in the inside of the film plate, the net frame hole wing plate is tightly attached to the top of the truss tube body and is perpendicular to the top of the truss tube body, and the film plate is nested in the left side of the urethral hose and is communicated with the urethral hose.
In order to optimize the technical scheme, the method further comprises the following steps:
as a further improvement of the invention, the net rack hole wing plate consists of more than two net rack fan hole grooves and an ellipsoid wing plate, wherein the net rack fan hole grooves and the ellipsoid wing plate are nested into a whole and are positioned on the same vertical plane.
As a further improvement of the invention, the grid fan hole slots consist of a honeycomb grid fan frame and through hole slots, the honeycomb grid fan frame is installed inside the through hole slots, and the honeycomb grid fan frame is mechanically connected with the through hole slots and the axes of the honeycomb grid fan frame and the through hole slots are collinear.
As a further improvement of the invention, the truss pipe body is composed of a bent pipe body and a truss cushion pipe, the bent pipe body is installed on the left side of the truss cushion pipe, and the bent pipe body and the truss cushion pipe are inserted and embedded together and are on the same horizontal plane.
As a further improvement of the invention, the bent pipe body is composed of a lockpin short stay bar and a bent pipe groove, the lockpin short stay bar is installed inside the bent pipe groove, and the lockpin short stay bar and the bent pipe groove are inserted and embedded together and are positioned on the same vertical plane.
As a further improvement of the invention, the needle tube body consists of a fan plate core frame and a thin needle body, the fan plate core frame is arranged on the right side of the thin needle body, and the fan plate core frame and the thin needle body are buckled together and are communicated with each other.
As a further improvement of the invention, the fan board wheel core frame consists of a pad frame brush wheel groove and a fan buckle plate, wherein the pad frame brush wheel groove is arranged on the left side of the fan buckle plate, and the pad frame brush wheel groove and the fan buckle plate are nested into a whole and are positioned on the same cambered surface.
As a further improvement of the invention, the urinary catheter comprises a locking frame buckle strip and a liquid delivery hose, wherein the locking frame buckle strip is arranged on the left side of the liquid delivery hose, and the locking frame buckle strip and the liquid delivery hose are buckled together and are positioned on the same horizontal plane.
As a further improvement of the invention, the locking frame fastener strip comprises four damping belt frame blocks and frame block fasteners, the four damping belt frame blocks are respectively arranged at the left side and the right side of the frame block fasteners, and the damping belt frame blocks and the frame block fasteners are in interference fit.
As a further improvement of the invention, the bee grid fan frame is a composite propeller frame structure with a triangular bee grid plate, so that the operation effect of aseptic package ventilation and urethral protection for obstructing flora infection is conveniently formed by adapting urination and ventilation.
As a further improvement of the invention, the lock pin short stay bar is a composite short frame bar structure with a left side provided with a clamp pin column groove and a right side connected with the lock pin bar, so that the cross brace is convenient to form a cross pad stress operation effect of gradient bending tension.
As a further improvement of the invention, the brush wheel groove of the pad frame is of a composite arbor wheel structure of a double-pole frame jacking brush plate, so that the internal drainage liquid is convenient to adapt to the butt joint of needle frames to form a pipe drawing, collecting, assembling and rotating auxiliary urination operation effect.
As a further improvement of the invention, the frame block fastener is a composite cross bar fastener structure with a left thin flat frame groove and a right thin flat frame groove and an intermediate column rod, so that the left and right pulling and assembling are facilitated to form the clamping operation effect of the integral needle tube and the catheter locking sleeve film.
Advantageous effects
The invention discloses an open type catheter inserter for urology surgery.A worker enables a film sheet plate to cover a net rack hole wing plate and a truss pipe body butt joint catheter by arranging a fan plate wheel core of a needle pipe body on the right side of a thin needle body through a pad rack brush wheel groove and a fan buckle plate to engage a needle rack clamping pipe of a film needle rack paster, so that a valve pipe cap cylinder and a shaft button wheel block form a locking adaptation fine adjustment operation effect, enables a bee-grid fan frame of a net rack fan hole groove to be matched with a frame in a through hole groove to protect ventilation propeller membrane in an ellipsoid wing plate to filter flora efficiently, and enables a lock pin short support rod of a bent pipe body and a bent pipe groove to be inserted with the truss cushion pipe to form a receiving needle body and a catheter butt joint anti-tripping effect and adapt to the open type catheter inserter for urology surgery to operate to form a urethral infection nursing operation effect.
The invention has the following advantages after operation:
the application needle body cooperatees with the film needle frame paster, form the aseptic jam-proof frame of gas permeability filtration that protects the urethra through rack hole pterygoid lamina and film piece board through port cooperation butt joint truss body at the catheter and needle frame clamp pipe, make the catheter draw the vortex that butt joint fan board core frame and thin needle body form wheel guide frame and protect even the smooth output's of confession stream operational effect, make the open catheter of uropoiesis shell embed the supplementary bladder urination high efficiency of urethra and form the infection-preventing operational effect that parcel formula piece covered to the urination port, avoid the catheterization overlength to keep somewhere the time and influence the infection and spread, promote aseptic diaphragm nursing operational effect.
Drawings
Other features, objects and advantages of the present invention will become more apparent from the following detailed description of the embodiments of the invention when taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of an open catheter introducer for urology surgery according to the present invention.
FIG. 2 is a detailed cross-sectional structural diagram of the needle tube and the film needle frame patch of the present invention.
FIG. 3 is a detailed cross-sectional view of the thin film needle holder patch and the catheter tube of the present invention.
FIG. 4 is a detailed cross-sectional structure diagram of the film needle frame patch, the net frame hole wing plate and the truss pipe body of the present invention.
Fig. 5 is a schematic cross-sectional enlarged structure view of the fan plate hub frame in the working state according to the present invention.
Fig. 6 is an enlarged cross-sectional structural view of the locking frame fastener of the present invention in an operating state.
Fig. 7 is the enlarged cross-section structure of the working state of the grid fan-hole slot.
Fig. 8 is an enlarged cross-sectional structural view of the bent tube body according to the present invention in an operating state.
Description of reference numerals: the device comprises a needle tube body-1, a film needle frame patch-2, a catheter hose-3, a valve tube cap cylinder-4, a shaft button wheel block-5, a net rack hole wing plate-2A, a truss tube body-2B, a needle frame clamping tube-2C, a film sheet plate-2D, a net rack fan hole groove-2A 1, an ellipsoid wing plate-2A 2, a bee-grid fan frame-2A 11, a through hole groove-2A 12, a bent tube body-2B 1, a truss cushion tube-2B 2, a lock pin short support rod-2B 11, a bent tube groove-2B 12, a fan plate wheel core frame-11, a thin needle body-12, a cushion brush wheel groove-111, a fan buckle plate-112, a locking frame buckle strip-31, a liquid feeding hose-32, a damping belt frame block-311 and a frame block fastener-312.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
The first embodiment is as follows:
referring to fig. 1-8, the present invention provides an open catheter introducer for urology surgery, which comprises: the urethral catheterization device comprises a needle tube body 1, a film needle frame paster 2, a urethral catheterization hose 3, a valve needle frame cylinder 4 and a shaft button wheel block 5, wherein the film needle frame paster 2 is nested on the left side of the urethral catheterization hose 3 and is mutually communicated, the needle tube body 1 is inserted and embedded in the film needle frame paster 2 and is positioned on the same vertical surface, the urethral catheterization hose 3 horizontally penetrates through the valve needle frame cylinder 4 and is mutually communicated, the shaft button wheel block 5 is arranged on the right side of the urethral catheterization hose 3 and is coaxially aligned with the axis, the film needle frame paster 2 is provided with a truss hole wing plate 2A, a truss membrane sheet tube 2B, a needle frame clamping tube 2C and a membrane sheet 2D, the truss hole wing plate 2A is tightly attached to the top of the needle frame clamping tube 2C and is positioned on the same vertical surface, the needle frame clamping tube 2C is inserted and embedded on the left side of the membrane sheet 2D, the truss sheet tube 2B is inserted and embedded in the membrane sheet 2D, the truss hole wing plate 2A is tightly attached to the top of the needle frame tube 2B and is mutually perpendicular to the left side of the urethral hose 3 and is nested and is mutually communicated.
Referring to fig. 4, the grid hole wing plate 2A is composed of grid frame hole slots 2A1 and ellipsoid wing plates 2A2, the grid frame hole slots 2A1 are more than two and are all installed inside the ellipsoid wing plates 2A2, the grid frame hole slots 2A1 and the ellipsoid wing plates 2A2 are nested into a whole and are located on the same vertical plane, the truss tube body 2B is composed of a bent tube body 2B1 and a truss cushion tube 2B2, the bent tube body 2B1 is installed on the left side of the truss cushion tube 2B2, the bent tube body 2B1 and the truss cushion tube 2B2 are inserted and embedded together and are located on the same horizontal plane, and the operational effect of wrapping the urinary tract end with the wing surface ventilation is formed on the upper and lower sides of the truss cushion tube 2B2 through the ellipsoid wing plates 2A 2.
Referring to fig. 7, the grid fan hole groove 2A1 is composed of a bee-grid fan frame 2a11 and a through-hole groove 2a12, the bee-grid fan frame 2a11 is installed inside the through-hole groove 2a12, the bee-grid fan frame 2a11 is mechanically connected with the through-hole groove 2a12 and is collinear in the axis, the bee-grid fan frame 2a11 is a composite propeller frame structure with a triangular bee-grid plate, so that adaptation, urination and ventilation are facilitated to form an operation effect of blocking flora infection by aseptic package, ventilation and protection of urethra, and a brushing net-shaped ventilation debugging, urination and emission operation effect is formed in the through-hole groove 2a12 by the bee-grid fan frame 2a 11.
Referring to fig. 8, the bent pipe body 2B1 is composed of a lock pin short support rod 2B11 and a bent pipe groove 2B12, the lock pin short support rod 2B11 is installed inside the bent pipe groove 2B12, the lock pin short support rod 2B11 and the bent pipe groove 2B12 are inserted and embedded together and are located on the same vertical plane, the lock pin short support rod 2B11 is a composite short frame rod structure with a lock pin column groove on the left side and a lock pin rod connected to the right side, so that a cross brace can conveniently form a cross brace stress operation effect of gradient bending tension, and the lock pin short support rod 2B11 forms a cross brace protection and unloading operation effect in the bent pipe groove 2B 12.
Referring to fig. 2, the needle tube body 1 is composed of a fan plate core frame 11 and a thin needle body 12, the fan plate core frame 11 is installed on the right side of the thin needle body 12, the fan plate core frame 11 and the thin needle body 12 are buckled together and are communicated with each other, and the fan plate core frame 11 is matched with a urine guide on one side of the thin needle body 12 to form a filter element matching smooth operation effect.
Referring to fig. 5, the fan blade core frame 11 is composed of a pad frame brush wheel groove 111 and a fan buckle plate 112, the pad frame brush wheel groove 111 is installed on the left side of the fan buckle plate 112, the pad frame brush wheel groove 111 and the fan buckle plate 112 are nested into a whole and are located on the same arc surface, the pad frame brush wheel groove 111 is a composite shaft wheel structure of a double-column-rod frame top support brush plate, so that the effect of pipe drawing, receiving, rotating, assisting urination operation is formed by butting of inner urine adapting needle frames conveniently, and the operation effect of adapting and adjusting of a plate diversion filter core is formed by installing the pad frame brush wheel groove 111 on the left side of the fan buckle plate 112.
The working process is as follows: a worker enables a thin film sheet 2D to cover a net rack hole wing plate 2A and a truss tube body 2B to be butted with a urine guide hose 3 through a needle rack clamping tube 2C which enables a fan plate wheel core frame 11 of a needle tube body 1 to be connected with a fan buckle plate 112 on the right side of a thin needle body 12 through a pad rack brush wheel groove 111 and the fan buckle plate 112, enables a valve tube cap cylinder 4 and a shaft button wheel block 5 to form a locking adaptation fine adjustment operation effect, enables a bee-grid fan rack 2A11 of a net rack fan hole groove 2A1 to be matched with a rack in a through hole groove 2A12 to protect ventilation propeller membrane filtration flora in an ellipsoid wing plate 2A2 to be efficient, and enables a receiving-type anti-tripping needle body and a urine tube butt joint anti-tripping device to be formed through a locking pin short supporting rod 2B11 of a bent tube body 2B1 and a truss pad tube 2B2 in an inserting mode in the bent tube groove 2B12 to form a urethral catheter device operation for adaptation urology surgery to form a urethral infection prevention needle body nursing operation effect.
The second embodiment:
referring to fig. 1-8, the present invention provides an open catheter introducer for urology surgery, otherwise similar to example 1, except that:
referring to fig. 3, the urinary catheter 3 comprises a locking frame fastening strip 31 and a liquid feeding hose 32, the locking frame fastening strip 31 is installed on the left side of the liquid feeding hose 32, the locking frame fastening strip 31 and the liquid feeding hose 32 are fastened together and are located on the same horizontal plane, and an assembling anti-unfastening operation effect of a needle frame and a membrane is formed on a pulling fastening end of the liquid feeding hose 32 through the locking frame fastening strip 31.
Referring to fig. 6, the locking frame fastener 31 is composed of four damping band frame blocks 311 and a frame block fastener 312, the damping band frame blocks 311 are respectively installed on the left and right sides of the frame block fastener 312, the damping band frame blocks 311 and the frame block fastener 312 are in interference fit, the frame block fastener 312 is a composite cross bar fastener structure with left and right thin and flat frame grooves and middle post rods, so that the left and right pull-mounting is facilitated to form an integral needle tube and catheter locking sleeve film clamping operation effect, and the damping band frame blocks 311 form an upper and lower cushion in the frame block fastener 312 to increase a frictional and anti-slip buckling operation effect.
The urinary system of a patient with built-in urology surgery through an early medical care operation forms the operation effect of the built-in open urinary catheter in the bladder, so that the locking frame buckle strip 31 of the urethral catheter 3 is covered at the left end of the liquid delivery hose 32 through the damping belt frame block 311 and the frame block buckle 312, the needle head is pulled and buckled to match with the membrane to form an external drainage guide and output operation effect, and the adjustment of the protection degree of the device after the pipeline is placed is also improved.
The invention achieves the air permeability filtration sterile anti-interference frame protection operation effect of protecting the urethra by matching the needle tube body 1 with the film needle frame paster 2 and forming the turbulence flow connection smooth output of the wheel guide frame protection by the mesh frame hole wing plate 2A and the film sheet plate 2D through the end port of the urine guide hose 3 matching the butt joint truss tube body 2B and the needle frame clamping tube 2C, so that the open urinary casing urinary catheter is internally provided with the urinary bladder urine-assisted operation effect of efficiently assisting the urinary bladder to discharge urine and forming the wrapped type sheet cover on the urine discharge port, the infection spreading is prevented from being influenced by overlong urine guide retention time, the sterile membrane nursing operation effect is improved, the operation effect that the internal urinary catheter is used for assisting the inconvenient urine discharge to form the pipeline to dredge the urinary bladder-assisted operation effect is solved, but the urinary tract urine-assisted reverse infection phenomenon of the urinary catheter retention time is formed by the internal catheter, and the phenomenon that the internal urinary tract is provided with the urinary catheter to dredge the urinary tract urine guide is prevented from swelling is often caused by the phenomenon that the urinary tract urine guide retention time is formed by the internal reverse infection of the pipeline and the exposed contact with the large environmental pollution, and the subsequent urinary tract infection and the urinary tract is often developed and the problem of the subsequent urinary tract infection of the urinary tract infection and the subsequent urinary tract is caused by the backward development of the backward infection.
The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims appended hereto.
Claims (1)
1. Open catheter introducer for urology surgery, its structure includes: needle body (1), film needle frame paster (2), catheter tube (3), valve pipe cap section of thick bamboo (4), hub spindle wheel piece (5), its characterized in that:
the film needle frame patch (2) is nested on the left side of the urethral catheterization hose (3), the needle tube body (1) is inserted and embedded in the film needle frame patch (2), the urethral catheterization hose (3) horizontally penetrates through the valve tube cap barrel (4), and the shaft button wheel block (5) is arranged on the right side of the urethral catheterization hose (3);
the film needle frame patch (2) is provided with a net frame hole wing plate (2A), a truss pipe body (2B), a needle frame clamping pipe (2C) and a film sheet plate (2D);
the truss pipe body (2B) is arranged on the right side of the needle frame clamping pipe (2C), the needle frame clamping pipe (2C) is inserted and embedded in the left side of the film plate (2D), the truss pipe body (2B) is inserted and embedded in the film plate (2D), the net frame hole wing plate (2A) is tightly attached to the top of the truss pipe body (2B), and the film plate (2D) is embedded and embedded in the left side of the urine guide hose (3);
the net rack hole wing plate (2A) consists of net rack fan hole grooves (2A 1) and ellipsoid wing plates (2A 2), the net rack fan hole grooves (2A 1) are more than two and are all installed in the ellipsoid wing plates (2A 2), and the net rack fan hole grooves (2A 1) and the ellipsoid wing plates (2A 2) are nested into a whole;
the net rack fan hole groove (2A 1) is composed of a bee grid fan frame (2A 11) and a through hole groove (2A 12), the bee grid fan frame (2A 11) is installed inside the through hole groove (2A 12), and the bee grid fan frame (2A 11) is mechanically connected with the through hole groove (2A 12);
the truss pipe body (2B) is composed of a bent pipe body (2B 1) and a truss cushion pipe (2B 2), the bent pipe body (2B 1) is installed on the left side of the truss cushion pipe (2B 2), and the bent pipe body (2B 1) and the truss cushion pipe (2B 2) are inserted and embedded together;
the bent pipe body (2B 1) is composed of a lock pin short support rod (2B 11) and a bent pipe groove (2B 12), the lock pin short support rod (2B 11) is installed inside the bent pipe groove (2B 12), and the lock pin short support rod (2B 11) and the bent pipe groove (2B 12) are inserted and embedded together;
the needle tube body (1) consists of a fan plate wheel core frame (11) and a thin needle body (12), the fan plate wheel core frame (11) is arranged on the right side of the thin needle body (12), and the fan plate wheel core frame (11) is buckled with the thin needle body (12) together;
the fan board core frame (11) consists of a pad frame brush wheel groove (111) and a fan buckle plate (112), the pad frame brush wheel groove (111) is arranged on the left side of the fan buckle plate (112), and the pad frame brush wheel groove (111) and the fan buckle plate (112) are nested into a whole;
the urinary catheter (3) consists of a locking frame buckling strip (31) and a liquid conveying hose (32), the locking frame buckling strip (31) is installed on the left side of the liquid conveying hose (32), and the locking frame buckling strip (31) is buckled with the liquid conveying hose (32);
the locking frame buckling strip (31) consists of four damping belt frame blocks (311) and frame block fasteners (312), the four damping belt frame blocks (311) are respectively arranged at the left side and the right side of the frame block fasteners (312), and the damping belt frame blocks (311) are matched with the frame block fasteners (312);
a thin film sheet plate (2D) is covered on a net rack hole wing plate (2A) and a truss tube body (2B) to be butted with a urine guide hose (3) through a needle rack clamping tube (2C) which connects a fan board wheel core frame (11) of a needle tube body (1) with a fan buckle plate (112) through a pad rack brush wheel groove (111) and a fan buckle plate (112) to buckle a thin film needle rack paster (2), so that a valve tube cap cylinder (4) and a shaft button wheel block (5) form a locking matching fine adjustment operation effect, a bee-grid fan rack (2A 11) of a net rack fan hole groove (2A 1) is matched with a rack in a through hole groove (2A 12) to be protected in an ellipsoid membrane filtering flora, the bee-grid fan rack (2A 11) and the bent tube truss groove (2B 12) are connected with a pad tube (2B 2) to form a needle body and a urinary catheter receiving device, and an open type urinary catheter inserting operation is prevented from being infected by urinary catheter adaptive operation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487979.XA CN113230518B (en) | 2021-05-06 | 2021-05-06 | Open type catheter introducer for urology surgery |
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| CN202110487979.XA CN113230518B (en) | 2021-05-06 | 2021-05-06 | Open type catheter introducer for urology surgery |
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| CN113230518B true CN113230518B (en) | 2023-01-03 |
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