CN106110472A - Men's commutative catheter and catheter replacing options - Google Patents
Men's commutative catheter and catheter replacing options Download PDFInfo
- Publication number
- CN106110472A CN106110472A CN201610672238.8A CN201610672238A CN106110472A CN 106110472 A CN106110472 A CN 106110472A CN 201610672238 A CN201610672238 A CN 201610672238A CN 106110472 A CN106110472 A CN 106110472A
- Authority
- CN
- China
- Prior art keywords
- catheter
- exchange guidewire
- seal wire
- main body
- exchange
- 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.)
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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
- A61M25/0067—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
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1061—Balloon catheters with special features or adapted for special applications having separate inflations tubes, e.g. coaxial tubes or tubes otherwise arranged apart from the catheter tube
Abstract
The invention discloses a kind of men's commutative catheter and catheter replacing options, belong to technical field of medical instruments.The present invention includes that catheter head end by the most thicker gradually transition, inclined side air bag, guiding side opening and is equipped with four main features of the hard guiding wire of flaccidity of the neck tail to trailing end outer diameter, and solves the problem that in background technology, prior art exists.The present invention solves again to plug in a catheter injury of urethra difficult problem, improve work efficiency.
Description
Technical field
The present invention relates to a kind of catheter, belong to technical field of medical instruments.
Background technology
Existing indwelling catheter is a conventional basic skill operation in clinical position.At present, clinic is widely used
Not Lei Shi catheter be homogeneous being made two chambeies or three-cavity air bag urethral catheter by silica gel material of 4-8 mm external diameter, two chambeies are led
Urinary catheter is made up of annular air-pocket and inflation pore, urethral catheterization pore, there is the problem that
1, annular air-pocket connects with the breather of catheter inwall, injects liquid or gas by breather in annular air-pocket,
Annular air-pocket is long-range after expanding to be crossed urethral orifice and makes catheter be fixed on intravesical and be difficult to abjection；Three-cavity structure is inside catheter
Having additional flushing pore, flush pipe one end connects with catheter end, can be rinsed bladder.According to patient age and the state of an illness
Select catheter, to first indwelling catheter especially cardiac, thinner catheter should be selected, intubate resistance with minimizing, keep away
Exempt from the unexpected generations such as sudden death；Prostate hyperplasia patient can only select the less catheter of model.And to long-term bed or gerontal patient
Preferably select slightly thick catheter, because of these patient's muscle of perineum poor flexibility with sphincter of urethra is relatively loose, contractility is poor.Select
The puzzlement of the homogeneous catheter of external diameter: select the catheter that model is little, tube chamber is thinner easily to operate but easily cause urine leakage, increase
Urethral orifice antibacterial approach outside chamber infects probability；And select the catheter that model is big, tube chamber is thicker can prevent urine leakage but behaviour
It is difficult to and patient pain can be caused.
2, thinner head end catheter is difficult through prostatic urethra during inserting, and judges whether catheter passes through
The narrow portion of urethra and insert urethra degree of depth height again and rely on the range estimation of patient, sensation and experience, the blindness intubated, mortality and also
Send out disease the highest.Intracavity of urinating at catheter inserts the special stiffened guidewire sections being equipped with increase catheter hardness and makees with supporting
With, hence it is evident that the boosting catheter property passed through.Male urethra is about 16-22 cm, caliber average out to 5-7 mm, anatomical features: have prostatitis
Gland portion, urethra bulb and navicular fossa of urethra three expansion, have curvatura infrapubica and two physiological bendings of curvatura praepubica, in having urethra
Mouth, film portion and three narrow positions of external orifice of urethra；Owing to male urethra structure is complicated, so male patient inserts catheter sometimes
Difficulty or failure.
3, air bag indwelling catheter rise fixation annular air-pocket exist persistently compressing bladder neck mucosa likely lead
Causing ischemic necrosis shortcoming, Preserving time air bag ball wall calcium deposition is also easily formed calculus ball centered by air bag, once shape
Become also to need surgical procedure.
Summary of the invention
In place of overcoming above-mentioned the deficiencies in the prior art, the present invention provides a kind of men's commutative catheter and catheter
Replacing options, solves again to plug in a catheter injury of urethra difficult problem, improve work efficiency.
The present invention is achieved through the following technical solutions: a kind of men's commutative catheter, including catheter main body, leads
Urinary catheter main body is the flexible pipe body that inside has drainage channel, and the front end of catheter main body is to close tube head, catheter main body
Tail end is drain interface, and making on the sidewall of the catheter main body of described closing tube head has drain side opening, described drain side
The sidewall of the catheter main body at rear, hole is provided with inclined side air bag, is provided with control described inclined side airbag inflation in catheter main body
Or the breather of compression, breather is isolated with described drainage channel, and the front end of breather is provided with and communicates with described inclined side air bag
Air-filled pore, the tail end of breather is inflatable interface, the tail end in described catheter main body arrange balloon positions mark；Described lead
In urinary catheter main body, the side relative with described inclined side air bag is provided with exchange guidewire passage, exchange guidewire passage and described drainage channel
It is isolated, the sidewall of the catheter main body being positioned at exchange guidewire channel front portion arranges seal wire leading hole, exchange guidewire passage
Tail end draws hole after arranging seal wire, can pass completely through exchange guidewire in described exchange guidewire passage, exchange guidewire be front end be soft
The seal wire of property material.
The external diameter of described catheter main body becomes larger to tail end from front end, is integrally conical.
The medium controlling described inclined side airbag inflation or compression being filled with in described breather is gas or liquid.
The rear end of described exchange guidewire passage is provided with inclined tube, and the gradient of inclined tube can guarantee that described exchange guidewire is led smoothly
Enter.
It is interior as exchange guidewire that the leading portion of described exchange guidewire stretches into described exchange guidewire passage, and the back segment of exchange guidewire is curved
Described drainage channel is stretched into interior as boosting seal wire after song.
A kind of method using described men's commutative catheter to change catheter, first passes through described exchange guidewire and leads to
Road, draws the front end of exchange guidewire hole after seal wire and penetrates and pass from seal wire leading hole feeding intravesical, forms track, so
After will need change catheter take out, the catheter newly changed is still with exchange guidewire as track, and contrary with old catheter, exchange is led
The tail end of silk penetrates from the seal wire leading hole of new catheter, draws hole pass after seal wire, forms guide rails, then boosting is led
Described drainage channel put into by silk, and new catheter realizes changing smoothly.
The invention has the beneficial effects as follows:
The present invention includes that catheter head end by the most thicker gradually transition, inclined side air bag, guiding side opening and is equipped with head to trailing end outer diameter
Four main features of the hard guiding wire of soft tail, and solve the problem that in background technology, prior art exists.
1, the thinner head end of catheter can reduce catheter insertion urethral resistance, easily operate, and reduces damage urethra simultaneously and sticks
Film chance and alleviate patient suffering；Intracavity inserts and is equipped with boosting guidewire sections increase catheter hardness and supporting role, urethral catheterization tube head
End is designed to cecum and prevents seal wire from skidding off and damaging urethra；
2, urethral catheterization body trailing end outer diameter is the most thicker not only improves flexible dilating urethra to increase again catheter outer wall close with urethra
Conjunction degree and prevent overflow urine leakage of urine.The annular air-pocket playing fixation in air bag indwelling catheter persistently oppresses bladder neck mucosa
Likely cause its ischemic necrosis, for overcoming this defect, design inclined side air bag at distance catheter head end 25-35 mm, and in urethral catheterization
Pipe tail end is provided with inclined side balloon positions mark, makes inclined side air bag will not oppress phase for a long time by external timing rotation catheter
Bladder neck mucosa with position.
3, design a side opening communicated with catheter tail end on the opposite of catheter inclined side air bag, be equivalent to three-cavity air bag
Flush pipe in indwelling catheter, in addition to having flushing or Local Injection topical anesthesia or other treatment effect concurrently, utilizes outfit to lead
The soft head of silk sends into intravesical from external through this side opening as exchange guidewire, retains and fixes this exchange guidewire as track, withdraws from and needs
Change old catheter, then send into new catheter along exchange guidewire and realize catheter and exchange smoothly, both solve again to insert urethral catheterization
A pipe injury of urethra difficult problem, improve work efficiency again.This Novel urethral catheter has significant application value.
Accompanying drawing explanation
Below according to drawings and Examples, the present invention is further described.
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the A-A profile of Fig. 1；
Fig. 3 is the B-B profile of Fig. 1；
Fig. 4 is the C-C profile of Fig. 1；
Fig. 5 is the D direction view of Fig. 1；
Fig. 6 is that the present invention uses state reference map, boosting seal wire and exchange guidewire to be two steel wires；
Fig. 7 is that the present invention uses state reference map, boosting seal wire and exchange guidewire to be same steel wires；
In figure, 1, catheter main body, 2, exchange guidewire passage, 2-1, inclined tube, 3, seal wire leading hole, 4, drain side opening, 5, close
Tube head, 6, drainage channel, 7, inclined side air bag, 8, air-filled pore, 9, breather, 10, inflatable interface, 11, drain interface, 12, seal wire
After draw hole, 13, balloon positions mark, 14, boosting seal wire, 15, exchange guidewire.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described.
The men's commutative catheter of one as shown in accompanying drawing Fig. 1-Fig. 5, including catheter main body 1, catheter main body 1 is
Inside has the flexible pipe body of drainage channel 6, and the front end of catheter main body 1 is to close tube head 5, and the tail end of catheter main body 1 is
Drain interface 11, makes on the sidewall of the catheter main body 1 of described closing tube head 5 and has drain side opening 4, described drain side opening
The sidewall of the catheter main body 1 at 4 rears is provided with inclined side air bag 7, is provided with control described inclined side air bag 7 in catheter main body 1
Expanding or the breather 9 of compression, breather 9 is isolated with described drainage channel 6, and the front end of breather 9 is provided with and described inclined side
The air-filled pore 8 that air bag 7 communicates, the tail end of breather 9 is inflatable interface 10, and the tail end in described catheter main body 1 arranges air bag
Station location marker 13；In described catheter main body 1, the side relative with described inclined side air bag 7 is provided with exchange guidewire passage 2, and exchange is led
Silk passage 2 is isolated with described drainage channel 6, the sidewall of the catheter main body 1 being positioned at exchange guidewire passage 2 front portion is arranged and leads
Silk leading hole 3, the tail end of exchange guidewire passage 2 draws hole 12, can pass completely through in described exchange guidewire passage 2 after arranging seal wire
Exchange guidewire 15, exchange guidewire 15 be front end be the seal wire of flexible material.
The external diameter of described catheter main body 1 becomes larger to tail end from front end, is integrally conical.
The medium that the control described inclined side air bag 7 being filled with in described breather 9 expands or compresses is gas or liquid.As
Gas or normal saline.Check valve is had at the inflatable interface 10 of breather 9.
The rear end of described exchange guidewire passage 2 is provided with inclined tube 2-1, and the gradient of inclined tube 2-1 can guarantee that described exchange is led
Silk 15 imports smoothly.
It is interior as exchange guidewire that the leading portion of described exchange guidewire 15 stretches into described exchange guidewire passage 2, exchange guidewire 15
Described drainage channel 6 is stretched into interior as boosting seal wire 14 after back segment bending.
As shown in Figure 6, a kind of method using described men's commutative catheter to change catheter, first pass through described
Exchange guidewire passage 2, draws the front end of exchange guidewire 15 hole 12 after seal wire and penetrates and pass feeding wing from seal wire leading hole 3
In Guang, formed track, then will need change catheter take out, the catheter newly changed still with exchange guidewire 15 as track, with
Old catheter is contrary, and the tail end of exchange guidewire 15 penetrates from the seal wire leading hole 3 of new catheter, draw hole 12 after seal wire passes,
Forming guide rails, then boosting seal wire 14 is put into described drainage channel 6, new catheter realizes changing smoothly.
As it is shown in fig. 7, described exchange guidewire 15 and boosting seal wire 14 same seal wire, the leading portion of described exchange guidewire 15
Stretch in described drainage channel 6 after bending as exchange guidewire, the back segment of exchange guidewire 15 in stretching into described exchange guidewire passage 2
As boosting seal wire 14.
Process and advantage that the present invention is embodied as are:
1, urinary catheter design of the present invention become head end to trailing end outer diameter by the most thicker gradually transition feature contribute to solve external diameter homogeneous
Catheter defect, the catheter of thinner head end can reduce urethral resistance smooth and easy insertion catheter, simplify operation, reduces damage urethra
Mucosa chance and alleviate patient suffering, urethral catheterization body trailing end outer diameter is the most thicker not only improves flexible dilating urethra can increase again and lead
Urinary catheter outer wall and urethra closed intensity and prevent overflow urine or leakage of urine.
2, for thinner head end catheter problem through prostatic urethra difficulty during inserting, at catheter
Intracavity of urinating inserts the special stiffened guidewire sections being equipped with increases catheter hardness and supporting role, hence it is evident that boosting catheter passes through
Property, catheter header terminal design becomes cecum can prevent seal wire from skidding off and damaging urethra.One is designed on the opposite of catheter inclined side air bag
Individual communicate side opening with catheter tail end, be equivalent to the flush pipe in three-cavity air bag indwelling catheter, except having flushing or local note concurrently
Outside medicine topical anesthesia or other treatment effect, the outfit soft head of seal wire is utilized to send into bladder from external through this side opening as exchange guidewire
In, retain and fix this exchange guidewire as track, withdraw from and need to change old catheter, then send into new urethral catheterization along exchange guidewire
Pipe, can be achieved with catheter and exchanges smoothly, has not only solved to cause an injury of urethra difficult problem again insertable into catheter, but also can significantly improve work
Make efficiency.
3, play the annular air-pocket of fixation for air bag indwelling catheter to there is persistently compressing bladder neck mucosa have can
The problems such as ischemic necrosis shortcoming can be caused；The present invention designs inclined side air bag, in capsule at distance catheter head end 25-35 cm
Inject 10-15 ml normal saline and play fixation to airbag inflation, be provided with inclined side balloon positions mark at catheter tail end, logical
Cross external timing rotation catheter and make inclined side air bag will not oppress same area tissue for a long time and avoid ischemic necrosis, inclined side gas
Capsule additionally aids drainage of urine thoroughly and without residual urine.
The present invention compared with existing three-cavity air bag indwelling catheter Manifold technology, catheter head end to trailing end outer diameter by the most thicker by
Gradual transition makes insertion catheter dilating urethra easy, flexible, prevents urine leakage；Side airbag design is by external timing rotation partially
Catheter and stop bladder neck mucosa and persistently oppressed；Change the flush pipe in three-cavity air bag indwelling catheter into side opening, remove
Play rinse or Local Injection effect outside, moreover it is possible to from external through this side opening send into exchange guidewire to intravesical, it is achieved catheter without
Damage exchange smoothly.This Novel urethral catheter has significant application value.
Claims (7)
1. a men's commutative catheter, including catheter main body (1), catheter main body (1) is that inside has drainage channel
(6) flexible pipe body, the front end of catheter main body (1) is to close tube head (5), and the tail end of catheter main body (1) is drain interface
(11), on the sidewall of the catheter main body (1) of described closing tube head (5), making has drain side opening (4), it is characterised in that:
The sidewall of the catheter main body (1) at described drain side opening (4) rear is provided with inclined side air bag (7), in catheter main body (1)
Being provided with and control the breather (9) that described inclined side air bag (7) expands or compresses, breather (9) is separated by with described drainage channel (6)
From, the front end of breather (9) is provided with the air-filled pore (8) communicated with described inclined side air bag (7), and the tail end of breather (9) is inflation
Interface (10), the tail end described catheter main body (1) arranges balloon positions mark (13)；
In described catheter main body (1), the side relative with described inclined side air bag (7) is provided with exchange guidewire passage (2), and exchange is led
Silk passage (2) is isolated with described drainage channel (6), is positioned at the sidewall of the anterior catheter main body (1) of exchange guidewire passage (2)
On seal wire leading hole (3) is set, the tail end of exchange guidewire passage (2) draws hole (12), described exchange guidewire passage after arranging seal wire
(2) in can pass completely through exchange guidewire (15), exchange guidewire (15) be front end be the seal wire of flexible material.
Men's commutative catheter the most according to claim 1, it is characterised in that: outside described catheter main body (1)
Footpath becomes larger to tail end from front end, is integrally conical.
Men's commutative catheter the most according to claim 1, it is characterised in that: it is filled with in described breather (9)
Controlling the medium that described inclined side air bag (7) expands or compress is gas or liquid.
Men's commutative catheter the most according to claim 1, it is characterised in that: described exchange guidewire passage (2)
Rear end is provided with inclined tube (2-1), and the gradient of inclined tube (2-1) can guarantee that described exchange guidewire (15) imports smoothly.
Men's commutative catheter the most according to claim 1, it is characterised in that: the leading portion of described exchange guidewire (15) is stretched
Described drainage channel is stretched into as exchange guidewire, the back segment of exchange guidewire (15) after bending in entering described exchange guidewire passage (2)
(6) as boosting seal wire (14) in.
6. the method for catheter changed by the men's commutative catheter that a kind uses described in claim 1 or 2, it is characterised in that:
First pass through described exchange guidewire passage (2), the front end of exchange guidewire (15) is drawn hole (12) after seal wire and penetrates and from seal wire
Leading hole (3) passes feeding intravesical, forms track, and the catheter changed then will be needed to take out, the catheter newly changed still with
Exchange guidewire (15) is track, contrary with old catheter, and the tail end of exchange guidewire (15) is from the seal wire leading hole (3) of new catheter
Penetrate, after seal wire, draw hole (12) pass, form guide rails, then boosting seal wire (14) is put into described drainage channel (6)
In, new catheter realizes changing smoothly.
The method of catheter changed by men's commutative catheter the most according to claim 6, it is characterised in that: described exchange
Seal wire (15) and boosting seal wire (14) same seal wire, the leading portion of described exchange guidewire (15) stretch into described exchange guidewire passage
(2) as exchange guidewire in, described drainage channel (6) is stretched into after the back segment bending of exchange guidewire (15) interior as boosting seal wire
(14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610672238.8A CN106110472B (en) | 2016-08-12 | 2016-08-12 | Exchangeable catheter for men and catheter replacement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610672238.8A CN106110472B (en) | 2016-08-12 | 2016-08-12 | Exchangeable catheter for men and catheter replacement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106110472A true CN106110472A (en) | 2016-11-16 |
| CN106110472B CN106110472B (en) | 2022-09-23 |
Family
ID=57259221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610672238.8A Active CN106110472B (en) | 2016-08-12 | 2016-08-12 | Exchangeable catheter for men and catheter replacement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106110472B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050627A (en) * | 2017-04-18 | 2017-08-18 | 湖州市第人民医院 | Seal wire cast catheter |
| CN114870212A (en) * | 2022-06-13 | 2022-08-09 | 刘嘉诚 | Disposable semi-compliant indwelling catheter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381042A1 (en) * | 1989-02-02 | 1990-08-08 | Willy Rüsch Ag | Catheter |
| CN2195340Y (en) * | 1993-12-04 | 1995-04-26 | 东营市人民医院 | Hemilateral balloon urinary catheter |
| CN2334426Y (en) * | 1998-08-11 | 1999-08-25 | 付成军 | Duct filement held double-cavity gastric catheter |
| CN201591901U (en) * | 2010-01-13 | 2010-09-29 | 张兵 | Catheter with hard metal guide wire |
| CN102238977A (en) * | 2008-10-31 | 2011-11-09 | D·安德里克 | Catheterisation device |
| CN202822437U (en) * | 2012-07-25 | 2013-03-27 | 刘友红 | Urine catheter with built-in guide wire |
| CN205084176U (en) * | 2015-11-03 | 2016-03-16 | 同济大学附属第十人民医院 | Guide wire for catheter |
| CN205084168U (en) * | 2015-11-03 | 2016-03-16 | 同济大学附属第十人民医院 | Urethral catheter |
| CN206239864U (en) * | 2016-08-12 | 2017-06-13 | 李约延 | Men's commutative catheter |
-
2016
- 2016-08-12 CN CN201610672238.8A patent/CN106110472B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381042A1 (en) * | 1989-02-02 | 1990-08-08 | Willy Rüsch Ag | Catheter |
| CN2195340Y (en) * | 1993-12-04 | 1995-04-26 | 东营市人民医院 | Hemilateral balloon urinary catheter |
| CN2334426Y (en) * | 1998-08-11 | 1999-08-25 | 付成军 | Duct filement held double-cavity gastric catheter |
| CN102238977A (en) * | 2008-10-31 | 2011-11-09 | D·安德里克 | Catheterisation device |
| CN201591901U (en) * | 2010-01-13 | 2010-09-29 | 张兵 | Catheter with hard metal guide wire |
| CN202822437U (en) * | 2012-07-25 | 2013-03-27 | 刘友红 | Urine catheter with built-in guide wire |
| CN205084176U (en) * | 2015-11-03 | 2016-03-16 | 同济大学附属第十人民医院 | Guide wire for catheter |
| CN205084168U (en) * | 2015-11-03 | 2016-03-16 | 同济大学附属第十人民医院 | Urethral catheter |
| CN206239864U (en) * | 2016-08-12 | 2017-06-13 | 李约延 | Men's commutative catheter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107050627A (en) * | 2017-04-18 | 2017-08-18 | 湖州市第人民医院 | Seal wire cast catheter |
| CN114870212A (en) * | 2022-06-13 | 2022-08-09 | 刘嘉诚 | Disposable semi-compliant indwelling catheter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106110472B (en) | 2022-09-23 |
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