CN109107026A - Stricture dilation catheter - Google Patents
Stricture dilation catheter Download PDFInfo
- Publication number
- CN109107026A CN109107026A CN201810869300.1A CN201810869300A CN109107026A CN 109107026 A CN109107026 A CN 109107026A CN 201810869300 A CN201810869300 A CN 201810869300A CN 109107026 A CN109107026 A CN 109107026A
- Authority
- CN
- China
- Prior art keywords
- catheter
- stricture dilation
- urine
- rear end
- stricture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- 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
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- 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
- A61M25/10—Balloon catheters
- A61M25/1018—Balloon inflating or inflation-control devices
- A61M25/10181—Means for forcing inflation fluid into the balloon
- A61M25/10183—Compressible bulbs
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
- A61M2029/025—Dilators made of swellable material characterised by the guiding element
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0496—Urine
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1078—Urinary tract
- A61M2210/1089—Urethra
Abstract
The present invention provides stricture dilation catheter, including catheter, stricture dilation guiding device is movably equipped in the urine passageway of catheter, stricture dilation guiding device includes the stricture dilation guide body of tubulose, stricture dilation guide body front end is equipped with guide portion, the rear end of guide portion is equipped with air bag, the stricture dilation guiding device side wall of inside air bag is equipped with through-hole, the rear end of stricture dilation guide body is equipped with elastic sack body, elastic sack body and stricture dilation guide body form the sealing space of an internal gassy or liquid, the front end of urine passageway is equipped with opening, guide portion and air bag pass through catheter front opening and are located at outside catheter front end, elastic sack body is located at outside urine chamber.When ankylurethria, catheter stricture dilation guiding device is travelled forward, elastic sack body is then squeezed, air bag is propped up, and urethra side wall is strutted, and catheter moves on, and unclamps elastic sack body, repetitive operation, and catheter merging is easy.
Description
Technical field
The invention belongs to medical instruments fields, more particularly, to a kind of stricture dilation catheter for placing no pain.
Background technique
As clinical common medical instrument, catheter is after being per urethram placed in human body by urine from bladder drainage to body
Outside, main function is accurate recording urine volume, convenient for drainage and flushing etc., is played a significant role in clinic.
Catheter material mainly has silica gel, rubber, EVA, PVC etc., and head end and tube body are partially soft.But some patients are because of urine
Situations such as road is narrow, hyperplasia of prostate, canceration, neck of urinary bladder hardening causes urethra internal resistance bigger than normal, greatly increases and sets pipe difficulty.It is existing
There is clinical catheterization usually after disinfection orificium urethrae externum and surrounding tissue on the other hand orificium urethrae externum is fixed, another hand is direct or uses
Tweezers etc. hold catheter, are inserted into from urethral orifice, when facing resistance bending and narrow situation, then need more firmly to be placed in, to trouble
Person brings huge pain, causes the damage of mucous membrane of urethra, causes the destruction of urologic structure, increases the risk of urinary tract infection.
It is had the following problems during the catheter merging of existing clinic:
Need to increase external force propulsion, apical head and stenosis urethra when catheter head top marches at ankylurethria
Shear action can occur, even by narrow urethra, urethra inner membrance also suffers from serious contusion and creates conditions for microorganism infection,
Urethral catheterization tube outer surface coating lubricating oil etc. produces little effect when coping with ankylurethria.
It is clinically placed in catheter and replacement urinary catheter is sometimes extremely difficult, and easily cause violence insertion urinary catheter when institute band
The secondary urethral injury come, such as via, bleeding, perforation, and then aggravated the severity of urethral disease, affected urethra
Healing even results in the urethral injury of complexity and narrow, has seriously affected the life quality of patient.Therefore for above-mentioned trouble
Person, in order to be avoided the occurrence of when being placed in catheter via generally requiring to be placed in catheter under the guidance of seal wire.And it existing leads
Urinary catheter majority is front end sealing end, and the tube body of open rearward end, side is open and communicates with urethral catheterization lumen.This catheter is placed in seal wire
When, seal wire is open by the side of catheter by lumen and is drawn, therefore cannot be guaranteed that the position of catheter and seal wire is parallel to each other,
It causes guidance difficult, is placed in urethral catheterization tube failure.
Number of patent application: 201710345800.0 provide a kind of stricture dilation type catheter, can be with needle during merging
Head thin segment expandable part is filled to property, cooperates the even spread of greasing substance, it will damage while improving and being placed in success rate
Wound and infection risk are preferably minimized.
Summary of the invention
The object of the present invention is to provide a kind of structures, and simple, catheter is placed in easy to operate stricture dilation catheter.
The technical scheme is that
Stricture dilation catheter, including catheter, catheter is interior to be equipped with urine passageway, sets in the front end side wall of urine passageway
There is urine inlet, the rear end of catheter is equipped with urine chamber, is movably equipped with stricture dilation guiding device, narrow expansion in urine passageway
The stricture dilation guide body that guiding device includes tubulose is opened, stricture dilation guide body front end is equipped with guide portion, guide portion
Rear end is equipped with air bag, and the stricture dilation guide body side wall of inside air bag is equipped with through-hole, stricture dilation guide body
Rear end is equipped with elastic sack body, and elastic sack body and stricture dilation guide body form the sealing of an internal gassy or liquid
Space, the front end of urine passageway are equipped with opening, and guide portion and air bag pass through catheter urine passageway front opening and be located at catheter
Outside front end, elastic sack body is located at outside urine chamber.
Catheter stricture dilation guiding device of the present invention is in use, in use, stricture dilation guiding device can play seal wire
Effect, works as ankylurethria, catheter cannot by when, stricture dilation guiding device is pushed by elastic sack body, stricture dilation is drawn
Lead device to travel forward a small distance, then squeeze elastic sack body, by elastic sack body gas or liquid pass through through-hole and squeeze
It enters in air bag, air bag is propped up, and urethra side wall is strutted, catheter moves on.Then elastic sack body, frontal air bag are unclamped
In gas or liquid reflux into elastic sack body, then repetitive operation is fixed until catheter front end enters inside bladder
Air bag fills up, and catheter stricture dilation guiding device is withdrawn from.Use catheter stricture dilation guiding device can be with when placing catheter
Avoid catheter to urethra side wall generate shearing force, avoid that urethra is caused to damage, it is highly-safe, and in placement process patient without
Pain, compliance are good.
Elastic bellows are additionally provided between urine chamber and elastic sack body, the rear end of elastic bellows connects with elastic sack body
Touching, the front end of elastic bellows is in contact with urine cavity rear end, stricture dilation guide body rear end pass through elastic bellows and
Elastic sack body is connected.
Spring is additionally provided between urine chamber and elastic sack body, the rear end of spring is in contact with elastic sack body, the front end of spring
It is in contact with urine cavity rear end, stricture dilation guide body rear end passes through spring and is connected with elastic sack body.
When working as ankylurethria catheter cannot continue forward, by air bag push stricture dilation guide body to
Preceding movement, elastic bellows or spring will generate elastic deformation, and when air bag is inflated, and urethra side wall is opened, conduit holds very much
Easily travel forward under the effect of the elastic force of elastic bellows or spring.
Elastic sack body is equipped with switch valve.
Can by switch valve into elastic sack body make-up gas or liquid.
The urine cavity rear end inner sidewall is equipped with multiple groups sealing valve uniformly at intervals, and edge and the urine for sealing valve are intracavitary
Side wall is connected, and the center for sealing valve is equipped with the opening that stricture dilation guide body passes through.
When sealing valve can prevent stricture dilation guiding device from withdrawing from, urine is flowed out with stricture dilation guide body,
It pollutes.
The urine cavity rear end side wall is equipped with observation window.
Can from observation window urine either with or without by sealing valve flow into urine cavity rear end.
It is additionally provided with filling channel and irrigation channel in catheter, is respectively equipped on the side wall of urine chamber and rinses chamber and inflation
Chamber.
Guide portion diameter becomes larger from the front to the back, and guide portion rear end diameter is equal to the outer of stricture dilation guide body
Diameter.
The front end of the air bag is equipped with air bag retainer plate, and air bag retainer plate inner sidewall is outer with stricture dilation guide body
Side wall is fixedly linked, and the front end face of air bag is recurvate curved surface.
The rear end face of air bag is the plane with stricture dilation guide body axis perpendicular.
The rear end face of air bag is recurvate curved surface.
Air bag rear end face is recurvate curved surface, when air bag struts, distance that the front end of catheter travels forward compared with
Greatly, the time of catheter merging operation shortens, and reduces patient's pain.
The rear end of air bag is equipped with air bag retainer plate, the lateral wall of air bag retainer plate inner sidewall and stricture dilation guide body
It is fixedly linked, the rear end face of air bag is the prone curved surface symmetrical with front end face.
The inner sidewall of air bag is equipped with the reinforcement protrusion of annular, reinforces protrusion and mutually hangs down with stricture dilation guide body axis
Directly.
Irregular deformation can be occurred when being full of to avoid air bag by reinforcing protrusion, avoid the side of stricture dilation guiding device
Air bag it is smaller close to urethra side wall, and the air bag of the other side is larger, far from urethra side wall, so as to avoid catheter front end
Shearing force is generated between urethra side wall.
The guide portion front end face is paraboloid or ellipsoid.
Guide portion can introduce wherein by more narrow urethra, and by catheter stricture dilation guiding device.Parabolic
Face or ellipsoid are more smooth, when entering in urethra, shearing force will not be generated to urethra side wall, to urethra when reducing intubation
Damage.
The advantages and positive effects of the present invention are: due to the adoption of the above technical scheme, catheter merging is safer
It is convenient, and the intensity of catheter can be further reduced, increase the flexibility of catheter, reduces patient's pain；With knot
The advantages that structure is simple, and processing cost is low, highly-safe.
Detailed description of the invention
Fig. 1 is stricture dilation catheter structural schematic diagram of the present invention
Fig. 2 is the stricture dilation conductor structure schematic diagram of stricture dilation catheter of the present invention
Fig. 3 is the urine cavity configuration schematic diagram of stricture dilation catheter of the present invention
In figure:
1, stricture dilation guide body 2, guide portion 3, through-hole 4, air bag
5, urethra side wall 6, urine inlet 7, urethra 8, elastic bellows
9, elastic sack body 10, switch valve 11, flushing chamber 12, urine chamber
13, inflatable chamber 14, catheter 15, sealing valve
Specific embodiment
Embodiment 1
As shown in Figure 1-3, having the catheter of stricture dilation guiding device, including catheter 14, urine is equipped in catheter 14
Liquid channel, the front end side wall of urine passageway are equipped with urine inlet 16, and the rear end of catheter 14 is equipped with urine chamber 12, urine passageway
Interior to be movably equipped with stricture dilation guiding device, stricture dilation guiding device includes the stricture dilation guide body 1 of tubulose, narrow
1 front end of expanding pilot device ontology is equipped with guide portion 2, and 2 rear end of guide portion is equipped with air bag 4, the stricture dilation guiding device inside air bag 4
1 side wall of ontology is equipped with through-hole 3, and the rear end of stricture dilation guide body 1 is equipped with elastic sack body 9, elastic sack body 9 and narrow expansion
The sealing space that guide body 1 forms an internal gassy or liquid is opened, the front end of urine passageway is equipped with opening, guides
Portion 2 and air bag 4 pass through 14 urine passageway front opening of catheter and are located at outside 14 front end of catheter, and elastic sack body 9 is located at urine
Outside chamber 12.
Enter in narrow urethra 7 in order to facilitate guide portion 2, and not will cause the damage of urethra side wall 5,2 diameter of guide portion
It becomes larger from the front to the back, 2 front end face of guide portion can be paraboloid or ellipsoid, and 2 rear end diameter of guide portion is equal to narrow expansion
Open the outer diameter of guide body 1.
Elastic bellows 8, the rear end of elastic bellows 8 and elastic sack body 9 are additionally provided between urine chamber 12 and elastic sack body 9
It is in contact, the front end of elastic bellows 8 is in contact with urine cavity rear end, and 1 rear end of stricture dilation guide body passes through elastic wave
Line pipe 8 is connected with elastic sack body 9.Elastic bellows 8, rear end and 9 phase of elastic sack body of spring can also be replaced with spring
Contact, the front end of spring are in contact with 12 rear end of urine chamber, and 1 rear end of stricture dilation guide body passes through spring and elastic sack body
9 are connected.
In order to facilitate make-up gas or liquid, switch valve 10 can be equipped on elastic sack body 9.
As shown in figure 3,12 rear inside wall of urine chamber is equipped with multiple groups sealing valve 15 uniformly at intervals, the side of valve 15 is sealed
Edge is connected with 12 inner sidewall of urine chamber, and the center of sealing valve 15 is equipped with the opening that stricture dilation guide body 1 passes through.Opening
It can be linear type opening, be also possible to cross-shaped aperture.The edge of opening is in contact with stricture dilation guide body 1.
It is also provided with filling channel and irrigation channel in catheter, is respectively equipped on the side wall of urine chamber and rinses 11 He of chamber
Inflatable chamber 13.It is also provided with transparent observation window on 12 rear end side wall of urine chamber, to facilitate the urine from observation window
Urine cavity rear end is flowed into either with or without by sealing valve.
The course of work of this example: the present invention is in use, stricture dilation guiding device can play the role of seal wire, to being pushed forward
Dynamic catheter movement, when urethra 7 is narrow, catheter 14 cannot by when, by stricture dilation guiding device travel forward it is a bit of away from
Compressed from, elastic bellows 8, then squeeze elastic sack body 9, by elastic sack body 9 gas or liquid squeezed by through-hole 3
Enter into air bag 4, air bag 4 is propped up, and urethra side wall 5 is strutted, and elastic bellows 8 are unfolded, and elastic bellows 8 generate one forward
Thrust, push catheter 14 move on.Then elastic sack body 9 is unclamped, the gas or liquid reflux in frontal air bag 4 to bullet
Property utricule 9 in, then repetitive operation, until 14 front end of catheter enters inside bladder, fixation balloon is filled up, by stricture dilation
Guiding device is withdrawn from.It can be to avoid catheter 14 to urethra side wall 15 when having the catheter of stricture dilation guiding device using the present invention
Shearing force is generated, avoids that urethra 17 is caused to damage, it is highly-safe, and patient's no pain in placement process, compliance are good.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still be within the scope of the patent of the present invention.
Claims (8)
1. stricture dilation catheter, including catheter, catheter is interior to be equipped with urine passageway, and the front end side wall of urine passageway is equipped with
The rear end of urine inlet, catheter is equipped with urine chamber, it is characterised in that: is movably equipped with stricture dilation in urine passageway and guides
Device, stricture dilation guiding device include the stricture dilation guide body of tubulose, and stricture dilation guide body front end is equipped with guidance
Portion, guide portion rear end are equipped with air bag, and the stricture dilation guide body side wall of inside air bag is equipped with through-hole, stricture dilation guidance
The rear end of device ontology is equipped with elastic sack body, and elastic sack body and stricture dilation guide body form an internal gassy or liquid
The sealing space of body, the front end of urine passageway are equipped with opening, and guide portion and air bag pass through catheter urine passageway front opening position
Outside catheter front end, elastic sack body is located at outside urine chamber.
2. stricture dilation catheter according to claim 1, it is characterised in that: be additionally provided between urine chamber and elastic sack body
The rear end of elastic bellows, elastic bellows is in contact with elastic sack body, and the front end of elastic bellows connects with urine cavity rear end
Touching, stricture dilation guide body rear end pass through elastic bellows and are connected with elastic sack body.
3. stricture dilation catheter according to claim 1, it is characterised in that: be additionally provided between urine chamber and elastic sack body
The rear end of spring, spring is in contact with elastic sack body, and the front end of spring is in contact with urine cavity rear end, stricture dilation guiding device sheet
Body rear end passes through spring and is connected with elastic sack body.
4. stricture dilation catheter according to claim 2 or 3, it is characterised in that: elastic sack body is equipped with switch valve.
5. stricture dilation catheter according to claim 4, it is characterised in that: the urine cavity rear end inner sidewall interval is equal
It is laid with multiple groups sealing valve, the edge for sealing valve is connected with urine chamber inner sidewall, and the center for sealing valve is equipped with narrow expansion
Open the opening that guiding device passes through.
6. stricture dilation catheter according to claim 5, it is characterised in that: be additionally provided with filling channel and punching in catheter
Channel is washed, is respectively equipped on the side wall of urine chamber and rinses chamber and inflatable chamber.
7. stricture dilation catheter according to claim 1, it is characterised in that: guide portion diameter gradually becomes from the front to the back
Greatly, guide portion rear end diameter is equal to the outer diameter of stricture dilation guide body.
8. stricture dilation catheter according to claim 5, it is characterised in that: the urine cavity rear end side wall, which is equipped with, to be seen
Examine window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869300.1A CN109107026A (en) | 2018-08-02 | 2018-08-02 | Stricture dilation catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810869300.1A CN109107026A (en) | 2018-08-02 | 2018-08-02 | Stricture dilation catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109107026A true CN109107026A (en) | 2019-01-01 |
Family
ID=64851624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810869300.1A Pending CN109107026A (en) | 2018-08-02 | 2018-08-02 | Stricture dilation catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109107026A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111228631A (en) * | 2020-01-13 | 2020-06-05 | 河南大学淮河医院 | Ureteroscope guide wire with different color mark depths |
| CN113018651A (en) * | 2021-02-27 | 2021-06-25 | 泰州市人民医院 | Simple and easy-to-operate nasobiliary tube guiding tube |
| CN114025818A (en) * | 2019-06-25 | 2022-02-08 | 武汉市迅舒科技有限公司 | Catheter capable of smoothly passing through narrow section of urethra |
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| CN107050629A (en) * | 2017-01-23 | 2017-08-18 | 山东省立医院 | A kind of urethral dilatation drainage system and application method |
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| CN107693921A (en) * | 2017-05-17 | 2018-02-16 | 威海吉威重症医疗制品有限公司 | A kind of stricture dilation type catheter |
| US20180071486A1 (en) * | 2015-05-13 | 2018-03-15 | Hollister Incorporated | Telescopic Urinary Catheter Assemblies |
| CN207654524U (en) * | 2017-05-02 | 2018-07-27 | 杭州市第一人民医院 | The special urethral catheterization device of ankylurethria patient |
| CN209967374U (en) * | 2018-08-02 | 2020-01-21 | 山东威高集团医用高分子制品股份有限公司 | Narrow dilating catheter |
-
2018
- 2018-08-02 CN CN201810869300.1A patent/CN109107026A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6162201A (en) * | 1995-12-01 | 2000-12-19 | Cohen; Kenneth L. | Internal urinary catheter |
| CN202397556U (en) * | 2011-12-02 | 2012-08-29 | 潘向东 | Guider for cutting open stricture of urethra |
| CN203507298U (en) * | 2013-09-27 | 2014-04-02 | 陕西省肿瘤医院 | Urine guiding device |
| CN203763642U (en) * | 2013-12-16 | 2014-08-13 | 李文娟 | Leakage-proof urethral catheter |
| US20180071486A1 (en) * | 2015-05-13 | 2018-03-15 | Hollister Incorporated | Telescopic Urinary Catheter Assemblies |
| CN105413043A (en) * | 2015-10-09 | 2016-03-23 | 江苏耀华医疗器械科技有限公司 | High-pressure balloon olecranon-shaped urethral dilator |
| CN107050629A (en) * | 2017-01-23 | 2017-08-18 | 山东省立医院 | A kind of urethral dilatation drainage system and application method |
| CN206979823U (en) * | 2017-01-23 | 2018-02-09 | 山东省立医院 | A kind of urethral dilatation drainage system |
| CN207654524U (en) * | 2017-05-02 | 2018-07-27 | 杭州市第一人民医院 | The special urethral catheterization device of ankylurethria patient |
| CN107693921A (en) * | 2017-05-17 | 2018-02-16 | 威海吉威重症医疗制品有限公司 | A kind of stricture dilation type catheter |
| CN209967374U (en) * | 2018-08-02 | 2020-01-21 | 山东威高集团医用高分子制品股份有限公司 | Narrow dilating catheter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114025818A (en) * | 2019-06-25 | 2022-02-08 | 武汉市迅舒科技有限公司 | Catheter capable of smoothly passing through narrow section of urethra |
| CN111228631A (en) * | 2020-01-13 | 2020-06-05 | 河南大学淮河医院 | Ureteroscope guide wire with different color mark depths |
| CN113018651A (en) * | 2021-02-27 | 2021-06-25 | 泰州市人民医院 | Simple and easy-to-operate nasobiliary tube guiding tube |
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