CN110339454A - Catheter assembly with sheath - Google Patents
Catheter assembly with sheath Download PDFInfo
- Publication number
- CN110339454A CN110339454A CN201810282802.4A CN201810282802A CN110339454A CN 110339454 A CN110339454 A CN 110339454A CN 201810282802 A CN201810282802 A CN 201810282802A CN 110339454 A CN110339454 A CN 110339454A
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- China
- Prior art keywords
- sheath
- catheter
- catheter assembly
- radial direction
- protruding portion
- Prior art date
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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
- A61M25/01—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
-
- 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
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- 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
- A61M25/0111—Aseptic insertion devices
-
- 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
- A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
- A61M2025/0006—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system which can be secured against axial movement, e.g. by using a locking cuff
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/006—Catheters; Hollow probes characterised by structural features having a special surface topography or special surface properties, e.g. roughened or knurled surface
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0062—Catheters; Hollow probes characterised by structural features having features to improve the sliding of one part within another by using lubricants or surfaces with low friction
-
- 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
- A61M25/002—Packages specially adapted therefor ; catheter kit packages
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Epidemiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention relates to a kind of catheter assembly with sheath, especially a kind of catheter assembly of single type sheath.Catheter assembly of the invention, comprising: catheter is reelability hollow pipe fitting, and the catheter includes input unit and output section, and the input site is located at the second end E2 of the catheter in the first end E1 of the catheter, the output section；And sheath, ring are located at the outer peripheral surface of the catheter, and slideably move between the first end E1 and the second end E2.
Description
Technical field
The present invention relates to a kind of catheter assembly with sheath, especially a kind of catheter assembly of single type sheath.
Background technique
Some sufferers can not voluntary micturition, or have the problem of urination disorder, after doctor assesses, need to pass through urethral catheterization
Pipe helps urine discharge.
Well known catheter assembly includes a catheter and a sleeve.Catheter have a first end, a second end and
Open up a urethral catheterization passage, and the wall surface of catheter opens up an at least hole in the place close to its first end, the hole with lead
Urethral catheterization passage inside urinary catheter communicates.The first end of catheter is in closed.In the second end insertion sleeve of catheter and open
If an opening.The urethral catheterization passage of catheter is communicated by the opening of the second end of catheter with the axis hole of sleeve.In in use,
User must pinch catheter using finger, and the first end of catheter is inserted into urethra, catheter is then passed through urethra again
It is inserted into bladder, to open sphincter urethrae.The urine of patient can sequentially by the hole of catheter, urethral catheterization passage, hold
The axis hole of mouth and sleeve, is then excreted in container appropriate.Typical urinary system patient may need for every two to four hours
Empty its intravesical urine.In developing country, because patient needs to be used for multiple times the relationship of catheter, catheter daily
It is all disposable (not reusing).
However, such catheter assembly has no any health measure, so that patient is when using catheter, it may be because of hand
Cleaning is not exclusively or other positions of body touch catheter, and catheter is made to can suffer from a degree of pollution.Therefore, this
Kind usage mode may cause more than one negative effect.First, urinary system may be made because using antihygienic catheter
It is infected, on the other hand, it may cause inappropriate medical situation and generate.For example, under normal circumstances, user need to wear gloves
Operate catheter.If directly touched with hand without gloves in order to save trouble and operate catheter, user must confirm
The cleaning of its hand and urethra opening, to ensure that catheter is not contaminated and reduces the possibility of urinary tract infection.Second of negative shadow
Sound is, because must assure that the catheter for using health every time, urinary catheter design is disposable uses, it is necessary to be used
It is abandoned after complete, and when needing urethral catheterization next time, using completely new catheter, therefore, for the patient, it is necessary to carry this
Kind is bulky, is not easy the elongated shape catheter hidden and be easily found again when abandoning, and causes patient to reduce using wish, makes
At the raising of subsequent social medical treatment cost.
In the market, have a kind of catheter assembly, include a catheter, a shell and a sanitary protecting sleeve.Catheter can
It is accommodated in shell, reduces volume, it is easy to carry.Shell has an outlet, is extracted with for catheter by outlet.It defends
Raw sheath includes a removal portion and a sliding part, and removal portion is removably connected to sliding part, and when use removes removal portion, and
Hand-held sliding part operates sanitary protecting sleeve.Sanitary protecting sleeve is sheathed on catheter, and removal portion cladding catheter is to connect urethra
First end, to completely cut off external contamination.In other words, sanitary protecting sleeve entirely coats the first end and its neighbouring part of catheter
Come, can avoid the first end for touching catheter during dismantling the outer packing of catheter assembly.Dismantle outer packing it
Afterwards, the removal portion of sanitary protecting sleeve carefully can be removed and be abandoned from the first end of catheter by user, allow catheter
First end is exposed to outer.Then, catch shell on the other hand, the finger of the other hand can pinch the sliding part of sanitary protecting sleeve, make its along
Catheter sliding.After catheter is lubricated, the sliding part of sanitary protecting sleeve can ensure that patient can not directly touch urethral catheterization
In the case where pipe, operation control catheter, with improve it is aforementioned known to catheter assembly the problem of.
But the sanitary protecting sleeve with removal portion and sliding part, must first remove removal portion could use in use, increase
Add the program of user operationally.Moreover, if the hand of user is not held in the sliding part of sanitary protecting sleeve and removes removal
When portion, it is easy to be removed together together with sliding part, lose the original function of sanitary protecting sleeve instead.
Summary of the invention
Based on the above reasons, a main purpose of the invention is to provide a kind of catheter with sheath, has: leading
Urinary catheter is reelability hollow pipe fitting, and the catheter includes input unit and output section, and the input site is in the catheter
First end E1, the output section are located at the second end E2 of the catheter；And sheath, ring are located at the periphery of the catheter
Face, and slideably moved between the first end E1 and the second end E2.
An embodiment according to the present invention further includes hollow cushion, is removably set in the output section of the catheter.
An embodiment according to the present invention, further includes dirt proof sleeve, and the dirt proof sleeve is fixedly arranged on the output section of the catheter,
And the dirt proof sleeve is coated on except the catheter and the sheath.
An embodiment according to the present invention, the sheath are connected with towards the sheath radial direction protruding portion outstanding, institute
The internal diameter for stating sheath is greater than the internal diameter of urethral orifice.
An embodiment according to the present invention, the width of the sheath with the protruding portion are greater than the internal diameter of urethral orifice.
An embodiment according to the present invention, the protruding portion is multiple block-like protrusions, from the radial direction court of the sheath
Interior protrusion, the multiple block-like protrusions are connected to the outer peripheral surface of the catheter.
An embodiment according to the present invention, the protruding portion are plate, are protruded outwardly from the radial direction of the sheath.
An embodiment according to the present invention, the protruding portion has the first operation portion and the second operation portion, from the sheath
Radial direction protrude outwardly, first operation portion and second operation portion are from the catheter in the radial direction outwardly
Extend and be coated on the sheath for being looped around the catheter, first operation portion fits in second operation portion.
An embodiment according to the present invention, the protruding portion protrude outwardly from the radial direction of the sheath, the protrusion
The one end in portion is coaxially fixed in the sheath, and the internal diameter D of the other end of the protruding portion3Greater than the internal diameter D of the sheath1。
An embodiment according to the present invention, the protruding portion is bar-like member, from the radial direction of the sheath towards evagination
Out, the both ends of the bar-like member respectively attach to the both ends of the sheath and from the catheter in the radial direction outwardly
Extend, the bar-like member and the sheath surround and form accommodating space.
An embodiment according to the present invention, the protruding portion protrude outwardly from the radial direction of the sheath, have and surround
Portion, fixed part and extension moving portion, the fixed part and the extension moving portion are fixed in the end around portion, wherein institute
State and be surrounded on the sheath around portion, the extension moving portion pass through and be sticked in the fixed part and to one pleurapophysis of sheath
Out, and drive circular portion's beam together in the sheath.
An embodiment according to the present invention, the protruding portion are shaped in the outer peripheral surface of the sheath.
The effect of invention
A main purpose of the invention is to provide a kind of catheter with sheath, and the sheath is single type, uses
Person is operationally more easy.
Another object of the present invention is to provide a kind of catheter with sheath, the inner circumferentials of the hollow sleeve of the sheath
Face has multiple block-like protrusions, and the outer peripheral surface of the catheter is connected to by the multiple block-like protrusions, reduces the sheath
With the frictional force between the catheter, slided so that the sheath is easy when in use from the either end of the catheter.
Another object of the present invention is to provide a kind of catheters with sheath, are coated on by the dirt proof sleeve described
Except catheter and the sheath, to prevent the catheter and the pollution of the sheath when in use.
A further object of the present invention is to provide a kind of catheters with sheath, pass through the sheath of the protruding portion
Width be greater than urethral orifice internal diameter, to prevent catheter, the sheath is slid to the urethra of user when in use.
A further object of the present invention is to provide a kind of catheter with sheath, user is mobile by the protruding portion
The sheath, thus convenient for users to operating the catheter.
Detailed description of the invention
Fig. 1 is the perspective view of the catheter assembly with sheath of first embodiment of the invention；
Fig. 2 is the exploded view of the catheter assembly of Fig. 1；
Fig. 3 is the schematic diagram of the sheath of the catheter assembly of Fig. 1；
Fig. 4 is the use state diagram of the catheter assembly of Fig. 1；
Fig. 5 is the perspective view of the catheter assembly with sheath of second embodiment of the invention；
Fig. 6 is the use state diagram of the catheter assembly of Fig. 5；
Fig. 7 is the schematic diagram of the sheath of the catheter assembly of third embodiment of the invention；
Fig. 8 is the schematic diagram of the sheath of the catheter assembly of fourth embodiment of the invention；
Fig. 9 is the schematic diagram of the sheath of the catheter assembly of fifth embodiment of the invention；
Figure 10 is the schematic diagram of the sheath of the catheter assembly of sixth embodiment of the invention；
Figure 11 is the schematic diagram of the sheath of the catheter assembly of seventh embodiment of the invention.
Wherein, the reference numerals are as follows:
100 catheter assemblies
110 catheters
112 input units
114 output sections
115 openings
120 sheaths
122 block-like protrusions
124 protruding portions
1242 first operation portions
1244 second operation portions
1245 accommodating spaces
1246 around portion
1247 fixed parts
1248 extend moving portion
130 hollow cushions
140 dirt proof sleeves
200 catheter assemblies
300 catheter assemblies
400 catheter assemblies
500 catheter assemblies
600 catheter assemblies
700 catheter assemblies
A arrow direction
A1Arrow direction
D1Internal diameter
D2Outer diameter
D3Internal diameter
E1 first end
E2 second end
U user
Specific embodiment
Schema and component symbol is cooperated to do more detailed description to embodiments of the present invention below, so that art technology
Personnel can implement accordingly after studying this specification carefully.
Fig. 1 is the perspective view for showing the catheter assembly with sheath of first embodiment of the invention.As shown in Figure 1, this
Catheter assembly 100 provided by invention with sheath includes catheter 110, sheath 120, hollow cushion 130.The urethral catheterization
Pipe 110 is reelability hollow pipe fitting, including first end E1 and second end E2, and the first end E1 of the catheter 110 has at least
One opening 115.The sheath 120 has hollow sleeve, and the hollow sleeve ring is located at the outer peripheral surface of the catheter 110, institute
State the internal diameter D of sheath 1201Greater than the outer diameter D of the catheter 1102, the sheath 120 is slideably in the catheter 110
First end E1 and second end E2 between move.
Fig. 2 is the exploded view for showing the catheter assembly of Fig. 1.As shown in Fig. 2, in catheter assembly 100, the urethral catheterization
Pipe 110 includes input unit 112 and output section 114.The input unit 112 is located at the first end E1 of the catheter 110.It is described defeated
Enter portion 112 and extend to form cambered surface cone cell from the axis of the catheter 110, or can be on the axis of the catheter 110
Extend and be formed with the shape being gradually inwardly tapered in the direction towards input unit 112, with using the input unit 112 by using
The urethral orifice of person U and enter urethra, and extend into bladder.There are the input unit 112 at least one 115 rings of opening to be located at institute
The first end E1 for stating catheter 110, it is described to allow the urine of user U to enter by the opening 115 of the input unit 112
Catheter 110.The output section 114 is located at the second end E2 of the catheter 110, and can towards arrow direction A by urine from institute
The first end E1 for stating catheter 110 is directed to second end E2, and is discharged by the opening of the output section 114.It is described hollow
Cushion 130 can accordingly be set in the output section 114 of the catheter 110, to be removably set in the catheter 110
Output section 114.The hollow cushion 130 is flexible fastening piece, can connect (not shown) with corresponding suitable sanitary vessels, institute
State sanitary vessels for example: urinal or other suitable sanitary vessels etc..Since the output section 114 of the catheter 110 passes through institute
It states hollow cushion 130 and is fixedly attached to sanitary vessels, to avoid urine is not expected from being exuded to context, cause environment dirty
Dye.The weight for being arranged with the output section 114 of the hollow cushion 130 is greater than the input for being arranged with the sheath 120
Portion 112, so that the output section 114 is connected to suitable sanitary vessels convenient for users to U.
The inner peripheral surface of the sheath 120 has multiple block-like protrusions 122, and the multiple block-like protrusions 122 are connected to described
The outer peripheral surface of catheter 110 reduces the frictional force with the outer peripheral surface of the catheter 110 by the multiple block-like protrusions 122,
The inner peripheral surface of the especially described sheath 120 can be added into lubricating oil, so that the sheath 120 is easy from the catheter when using
The sliding of 110 either ends.The hollow sleeve, which also can form surface in inner peripheral surface by modes such as frosted, sand quarters, block-like protrusions
122 rough surface, the rough surface can increase the contact area with the outer peripheral surface of the catheter 110, thus using
Shi Suoshu sheath 120 is not easy to fall off from the catheter 110.The multiple block-like protrusions 122 can be regularly formed in institute
The inner peripheral surface of sheath 120 is stated, the arrangement of regularly multiple block-like protrusions 122 can be entire hollow sleeve sheath 120
Multiple block-like protrusions 122 arranged in a straight line, multiple block-like protrusions 122 of part presentation slant arrangements, portion are partly presented in inner peripheral surface
Multiple block-like protrusions 122 of band arrangement are presented, partly in the multiple block-like protrusions 122 or and its group of specific pattern arrangement in part
It closes；And the multiple block-like protrusions 122 can be irregularly formed in the inner peripheral surface of the sheath 120, such as the multiple
Form to 122 random distribution of block-like protrusions the inner peripheral surface of the sheath 120.The multiple block-like protrusions 122 also may be provided at institute
State the outer peripheral surface of sheath 120, thus convenient for users to gripping.The outer peripheral surface of the sheath 120 can have an at least groove (figure
Do not show), an at least groove ring is located at the outer peripheral surface and is not regularly arranged, and an at least groove can be towards the sheath
120 radial directions are arranged outwardly, to allow user's easy gripping sheath 120 or an at least groove can be towards institute
120 radial direction of sheath is stated to be arranged inwardly, thus outer convenient for users to being easy to hold, can also prevent the sheath 120 relative to
The problem of catheter 110 falls off.
Fig. 3 is the schematic diagram for showing the sheath of catheter assembly of Fig. 1.As shown in figure 3, in the catheter assembly 100
In, the inner peripheral surface of the hollow sleeve of the sheath 120 includes multiple block-like protrusions 122, and the multiple block-like protrusions 122 are in institute
State the outer peripheral surface of sheath 120 extended inwardly in the radial direction and be connected to the catheter 110.The multiple block-like protrusions
122 surface is preferably the rough surface having through modes such as frosted, sand quarters.
Fig. 4 is the use state diagram for showing the catheter assembly of Fig. 1.As shown in figure 4, in the catheter assembly
In 100, the sheath 120 is located at the position of the input unit 112 of the catheter 110, when user U using being held in institute on the other hand
When stating sheath 120, by finger towards arrow direction A1The sheath 120 is pushed so that the sheath 120 is towards the catheter
110 second end E2 is mobile, so that at least one opening of the input unit 112 is exposed, the input unit 112 is pushed away towards urethral orifice
Into and by urethra enter bladder.
Fig. 5 is the perspective view for showing the catheter assembly with sheath of second embodiment of the invention.As shown in figure 5,
It further include dirt proof sleeve 140 in catheter assembly 200, the dirt proof sleeve 140 is fixedly arranged on the urethral catheterization by the hollow cushion 130
Also directly the dirt proof sleeve 140 can be arranged in the output section 114, and the dirt proof sleeve 140 for the output section 114 of pipe 110
It can be coated on except the catheter 110 and the sheath 120, or close to the dirt proof sleeve of the 110 first end E1 of catheter
140, which are arranged between the catheter 110 and the sheath 120 (not shown), the dirt proof sleeve 140, is located at the catheter
One end of 110 input unit 112 can be sealing form.
Fig. 6 is the use state diagram for showing the catheter assembly of Fig. 5.As shown in fig. 6, in the catheter assembly
In 200, when user U is using the sheath 120 is held on the other hand, by finger towards arrow direction A1Push the sheath
120 so that the second end E2 of the sheath 120 towards the catheter 110 is mobile, and user U is described during promotion
Dirt proof sleeve 140 is coated on the catheter 110 with except the sheath 120, and the hand for separating user U touches and do not have
The part for the catheter 110 that 120 ring of sheath is set, thus prevent when the input unit 112 is extended into urethra,
The hand of user U touches other parts of the catheter and leads to the pollution of the catheter.
Fig. 7 is the schematic diagram for showing the sheath of catheter assembly of third embodiment of the invention.Fig. 8 is the display present invention the
The schematic diagram of the sheath of the catheter assembly of four embodiments.Fig. 9 is the shield for showing the catheter assembly of fifth embodiment of the invention
The schematic diagram of set.Figure 10 is the schematic diagram for showing the sheath of catheter assembly of sixth embodiment of the invention.Figure 11 is to show this
Invent the schematic diagram of the sheath of the catheter assembly of the 7th embodiment.
As shown in Fig. 7~11, the sheath 120 includes protruding portion 124, and the sheath 120 is connected with towards the sheath 120
Radial direction protruding portion 124 outstanding, especially radially direction protrudes outward, and to solve sanitary protecting sleeve, easy to grip is not asked
Topic.Moreover, the width of the sheath 120 with the protruding portion 124 is greater than the internal diameter of urethral orifice, to prevent the sheath
120 because user it is operational accidentally due to insert and hurt urethral orifice.
Also, the protruding portion 124 of the sheath 120 can be for towards 120 radial direction of sheath protruding portion outstanding outward
124 or towards the inwardly projecting multiple block-like protrusions 122 of 120 radial direction of sheath or both aforementioned combination.
As shown in fig. 7, the protruding portion 124 is plate, from the radial direction side of the sheath 120 in catheter assembly 300
Extend outwardly and be fixed in upwards the outer peripheral surface of the sheath 120.The protruding portion 124 of the plate preferably with the sheath
120 are integrally formed, and are also possible to that the protruding portion 124 of the plate is fixed in institute by common snap device, locked mechanism
State the outer peripheral surface of sheath 120.The hand of user U can keep the sheath 120 opposite by being held in the protruding portion 124 of the plate
It is moved in the catheter 110.
As shown in figure 8, the protruding portion 124 has the first operation portion 1242 and the second operation in catheter assembly 400
Portion 1244, first operation portion 1242 and second operation portion 1244 are from the catheter 110 in the radial direction outwardly
Extend and be coated on the sheath 120 for being looped around the catheter 110, first operation portion 1242 fits in described second
Operation portion 1244.First operation portion 1242 is preferably integrally formed with the sheath 120 with second operation portion 1244.
The finger of user U can be held in first operation portion 1242 respectively makes the sheath 120 with second operation portion 1244
It is moved relative to the catheter 110.
As shown in figure 9, one end of the protruding portion 124 is coaxially fixed in the sheath in catheter assembly 500
120, and the internal diameter D of the other end of the protruding portion 1243Greater than the internal diameter D of the sheath 1201, during the protruding portion 124 is formed
It is empty horn-like.The hollow horn-like protruding portion 124 is preferably integrally formed with the sheath 120.When the holding of user U
It holds in the protruding portion 124, by the movement to the protruding portion 124 on the axis of the catheter 110, jointly band
Move the movement of the sheath 120.
As shown in Figure 10, in catheter assembly 600, the protruding portion 124 be bar-like member, the two of the bar-like member
End respectively attaches to the both ends of the sheath 120 and extending outwardly in the radial direction from the catheter 110, the strip
Component and the sheath 120, which surround, forms accommodating space 1245.The finger of user U can pass through the bar-like member and the appearance
1245 extract the catheter 110 with the sheath 120 between emptying, and can be according to user's demand, in the catheter 110
Axis on by the movement to the bar-like member, jointly drive the movement of the sheath 120.
As shown in figure 11, in the catheter assembly 700, the protruding portion 124 has around portion 1246, fixed part
1247 are fixed in the circular portion 1246 with the extension moving portion 1248 with extension moving portion 1248, the fixed part 1247
End, wherein the circular portion 1246 is surrounded on the sheath 120, the extension moving portion 1248 is passed through and is sticked in described solid
Determine portion 1247 and prominent to 120 side of sheath, and drives 1246 beam of circular portion together in the sheath 120.Work as use
, can be according to user's demand when the hand of person U is held in the extension moving portion 1248, the extension moving portion 1248 will be with rotating ring
The circular portion 1246 for being wound on the sheath 120 is slidably moved the sheath along the axis of the catheter 110
120。
About above embodiment, the dirt proof sleeve 140 can be coated on the sheath 120 of different 124 shapes of protruding portion
On or the dirt proof sleeve 140 can correspond to the protruding portion 124 of different shapes open up out it is corresponding opening so that the protrusion
Expose in portion 124.
The features of the present invention essentially consists in, and the sheath of the catheter is single type, therefore user is operationally more
It is easy.Moreover, multiple block-like rough surfaces of the inner peripheral surface by the hollow sleeve of the sheath, the multiple block-like protrusions are supported
It is connected to the outer peripheral surface of the catheter, reduces the frictional force between the sheath and the catheter, so that the sheath makes
Used time is easy to slide from the either end of the catheter.Also, the present invention is coated on the catheter and institute by the dirt proof sleeve
It states except sheath, to prevent the catheter and the pollution of the sheath when in use.Also, the present invention passes through the protruding portion
The width of the sheath be greater than the internal diameter of urethral orifice, to prevent from stating urinary catheter, the sheath is slid to user's when in use
In urethra.Furthermore sheath of the invention has protruding portion, and user is by the mobile sheath of the protruding portion, thus convenient
User operates the catheter.
As described above is only to be not intended to do any shape to the present invention accordingly to explain presently preferred embodiments of the present invention
Limitation in formula, therefore, it is all have make any modification or change for the present invention under identical spirit, should all wrap
It includes the invention is intended to the scopes of protection.
Claims (10)
1. a kind of catheter assembly (100) characterized by comprising
Catheter (110) is reelability hollow pipe fitting, and the catheter includes input unit (112) and output section (114), described
Input unit (112) is located at the first end (E1) of the catheter (110), and the output section (114) is located at the catheter (110)
Second end (E2)；And
Sheath (120), ring are located at the outer peripheral surface of the catheter (110), and slideably in the first end (E1) with it is described
It is moved between second end (E2).
2. catheter assembly according to claim 1, which is characterized in that further include hollow cushion (130), removably cover
It is located at the output section (114) of the catheter (110).
3. catheter assembly according to claim 1, which is characterized in that further include dirt proof sleeve (140), the dirt proof sleeve
(140) it is fixedly arranged on the output section (114) of the catheter (110), and the dirt proof sleeve (140) is coated on the catheter
(110) and except the sheath (120).
4. catheter assembly according to claim 1, which is characterized in that the sheath (120) is connected with towards the sheath
(120) radial direction protruding portion outstanding (124), the internal diameter of the sheath (120) are greater than the internal diameter of urethral orifice.
5. catheter assembly according to claim 4, which is characterized in that the protruding portion (124) is multiple block-like protrusions
(122), it is protruded inwardly from the radial direction of the sheath (120), the multiple block-like protrusions (122) are connected to the catheter
(110) outer peripheral surface.
6. catheter assembly according to claim 4, which is characterized in that the protruding portion (124), from the sheath
(120) radial direction protrudes outwardly, has the first operation portion (1242) and the second operation portion (1244), first operation portion
(1242) with second operation portion (1244) extending outwardly and being coated on circular in the radial direction from the catheter (110)
In the sheath (120) of the catheter (110), first operation portion (1242) fits in second operation portion
(1244)。
7. catheter assembly according to claim 4, which is characterized in that the protruding portion (124) is from the sheath (120)
Radial direction protrude outwardly, one end of the protruding portion (124) is coaxially fixed in the sheath (120), and the protrusion
Internal diameter (the D of the other end in portion (124)3) it is greater than the internal diameter (D of the sheath (120)1)。
8. catheter assembly according to claim 4, which is characterized in that the protruding portion (124) is bar-like member, from institute
The radial direction for stating sheath (120) protrudes outwardly, and the both ends of the bar-like member respectively attach to the two of the sheath (120)
It holds and extending outwardly in the radial direction from the catheter (110), the bar-like member and the sheath (120) surrounds and formed
Accommodating space (1245).
9. catheter assembly according to claim 4, which is characterized in that the protruding portion (124), from the sheath
(120) radial direction protrudes outwardly, has around portion (1246), fixed part (1247) and extends moving portion (1248), described
Fixed part (1247) and extension moving portion (1248) are fixed in the both ends of the circular portion (1246), wherein described surround
Portion (1246) is surrounded on the sheath (120), and the extension moving portion (1248) passes through and is sticked in the fixed part (1247)
And it is prominent to the sheath (120) side, and drive circular portion (1246) beam together in the sheath (120).
10. catheter assembly according to claim 4, which is characterized in that the protruding portion (124) is plate, from described
The radial direction of sheath (120) protrudes outwardly.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282802.4A CN110339454A (en) | 2018-04-02 | 2018-04-02 | Catheter assembly with sheath |
| US16/287,594 US20190275289A1 (en) | 2018-03-12 | 2019-02-27 | Compact urinary catheter |
| US17/313,915 US20210275775A1 (en) | 2018-03-12 | 2021-05-06 | Compact urinary catheter with stiffening member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282802.4A CN110339454A (en) | 2018-04-02 | 2018-04-02 | Catheter assembly with sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110339454A true CN110339454A (en) | 2019-10-18 |
Family
ID=68173436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282802.4A Pending CN110339454A (en) | 2018-03-12 | 2018-04-02 | Catheter assembly with sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110339454A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115485007A (en) * | 2020-04-29 | 2022-12-16 | 治疗医学有限责任公司 | Catheter grasping sleeve |
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| US4652259A (en) * | 1984-04-10 | 1987-03-24 | Neil Alexander G B O | Catheter assembly |
| DE19826746C1 (en) * | 1998-06-16 | 1999-11-25 | Sulzer Osypka Gmbh | Handgrip for surgical catheter |
| CN101912661A (en) * | 2010-06-09 | 2010-12-15 | 刘永文 | Female catheter |
| CN102029005A (en) * | 2011-01-07 | 2011-04-27 | 上海市第十人民医院 | Novel catheter |
| US20120239005A1 (en) * | 2011-03-14 | 2012-09-20 | Conway Anthony J | Catheter grip and method |
| CN203935496U (en) * | 2014-06-27 | 2014-11-12 | 康沛可舒股份有限公司 | Tight type catheter assembly |
| CN204766985U (en) * | 2015-07-10 | 2015-11-18 | 秦皇岛市妇幼保健院 | Gasbag catheter with health protect function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB322426A (en) * | 1929-01-03 | 1929-12-05 | Josef David | Improvements in or relating to catheters |
| US3421509A (en) * | 1965-12-17 | 1969-01-14 | John M Fiore | Urethral catheter |
| US4652259A (en) * | 1984-04-10 | 1987-03-24 | Neil Alexander G B O | Catheter assembly |
| DE19826746C1 (en) * | 1998-06-16 | 1999-11-25 | Sulzer Osypka Gmbh | Handgrip for surgical catheter |
| CN101912661A (en) * | 2010-06-09 | 2010-12-15 | 刘永文 | Female catheter |
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| US20120239005A1 (en) * | 2011-03-14 | 2012-09-20 | Conway Anthony J | Catheter grip and method |
| CN203935496U (en) * | 2014-06-27 | 2014-11-12 | 康沛可舒股份有限公司 | Tight type catheter assembly |
| CN204766985U (en) * | 2015-07-10 | 2015-11-18 | 秦皇岛市妇幼保健院 | Gasbag catheter with health protect function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115485007A (en) * | 2020-04-29 | 2022-12-16 | 治疗医学有限责任公司 | Catheter grasping sleeve |
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Application publication date: 20191018 |