CN208911219U - Catheter assembly with dirt proof sleeve - Google Patents

Abstract

The utility model relates to a kind of catheter assemblies with dirt proof sleeve, include: catheter, is reelability hollow pipe fitting, the catheter includes input unit and output section, the input site is located at the second end E2 of the catheter in the first end E1 of the catheter, the output section；Shell is made of top casing element and lower shell, the catheter is wound onto surrounded as the top casing element and lower shell made of in accommodating space；And dirt proof sleeve, it is set to the second end E2 of the catheter, and the dirt proof sleeve is coated on the outside of the catheter.

Description

Catheter assembly with dirt proof sleeve

Technical field

The utility model relates to one kind have catheter assembly, especially a kind of catheter assembly with dirt proof sleeve, The catheter assembly of catheter will not be polluted when use.

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 catheter is directly touched and operated with hand in order to save trouble without gloves, user must confirm it The cleaning of hand and urethra opening, to ensure that catheter is not contaminated and reduces the possibility of urinary tract infection.Second of negative effect For, because must assure that the catheter for using health every time, urinary catheter design is disposable uses, it is necessary to used It abandons afterwards, and when needing urethral catheterization next time, using completely new catheter, therefore, for the patient, it is necessary to carry such Bulky, the elongated shape catheter that is easily found again when being not easy to hide and abandon, is caused patient to be reduced using wish, caused The raising of subsequent society's medical treatment cost.

Furthermore patient has confidentiality not enough or because of other bulky relevant apparatus, in turn when using catheter Cause the problem using upper inconvenience.For example, catheter used at present, is usually all the elongated form that is packaged into, packaging Form will cause the trouble of storage and carrying.This packaged configuration is easy to be found by other people when will cause patient's storage, and body Product is not huge portable or is not easy to be hidden in clothing.When in use, therefore, being easy by other people because being not easy to be covered by clothing It was found that using catheter, and greatly improve social in straitened circumstances situation.

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 sliding part of sanitary protecting sleeve is easy to skid off from urethral catheterization pipe end and separate with catheter, so that user is necessary Catheter is caught on the other hand, and the other hand catches the sliding part of sanitary protecting sleeve, can install back the sliding part of sanitary protecting sleeve and lead Urinary catheter not only has inconvenient puzzlement, but also during installation, the hand of user needs to catch catheter, to increase The risk of catheter is polluted, loses the effect of sanitary protecting sleeve instead.

Utility model content

Based on the above reasons, a main purpose of the utility model is to provide a kind of catheter dress with dirt proof sleeve Set, have: catheter is reelability hollow pipe fitting, and the catheter includes input unit and output section, the input site in The first end E1 of the catheter, the output section are located at the second end E2 of the catheter；Shell, by top casing element and lower shell Composition, the catheter is wound onto surrounded as the top casing element and lower shell made of in accommodating space；And dirt proof sleeve, if It is placed in the second end E2 of the catheter, and the dirt proof sleeve is coated on the outside of the catheter.

An embodiment according to the present utility model further includes hollow cushion, is set on the output section, and described antifouling Set is installed in the second end E2 of the catheter by the hollow cushion.

An embodiment according to the present utility model, the shell further include: conduit outlet portion is attached at the outer of the shell Week, and the input unit of the catheter is pierced by the shell by the conduit outlet portion.

An embodiment according to the present utility model, the shell include: top casing element and lower shell, and the top casing element passes through institute The axis A for stating shell is aligned and chimeric each other with the lower shell, to form the accommodating space, and the top casing element is opposite In the lower shell along the axis A moving in rotation.

An embodiment according to the present utility model, the top casing element further include: the bottom perforated on the axis A； And the circular protruding portion that accommodating space direction described in the outer Zhou Dynasty from the bottom perforated extends, wherein the circular protruding portion Radially there is notch section in the axis A, the output section of the catheter passes through the notch section from the accommodating space And it is exposed to the bottom perforated.

An embodiment according to the present utility model, the lower shell further include: the overp0unch on the axis A, The overp0unch is aligned to form the through hole for running through the casing center, institute on the axis A with the bottom perforated The periphery for stating lower shell is attached with the conduit outlet portion.

An embodiment according to the present utility model further includes sheath, and ring is located at the outer peripheral surface of the catheter, and slidably It is moved between the first end E1 and the second end E2 on ground.

An embodiment according to the present utility model, the sheath are connected with towards the sheath radial direction protrusion outstanding Portion, the internal diameter of the sheath are greater than the internal diameter of urethral orifice.

An embodiment according to the present utility model, the protruding portion is multiple block-like protrusions, from the radial direction side of the sheath To prominent inwardly, the multiple block-like protrusions are connected to the outer peripheral surface of the catheter.

An embodiment according to the present utility model, the protruding portion protrude outwardly from the radial direction of the sheath, have First operation portion and the second operation portion, first operation portion and second operation portion from the catheter in the radial direction It extends outwardly and is coated on the sheath on the catheter, first operation portion fits in second operation portion.

An embodiment according to the present utility model, the protruding portion protrudes outwardly from the radial direction of the sheath, described One end of protruding portion is coaxially fixed in the sheath, and the internal diameter D of the other end of the protruding portion₃Greater than in the sheath Diameter D₁。

An embodiment according to the present utility model, the protruding portion are strip, outwardly from the radial direction of the sheath Prominent, the both ends of the protruding portion respectively attach to the both ends of the sheath and from the catheter in the radial direction outwardly Extend, the protruding portion and the sheath surround and form annular space.

An embodiment according to the present utility model, the protruding portion protrude outwardly from the radial direction of the sheath, have Around portion, fixed part and extending moving portion, the fixed part and the extension moving portion are fixed in the both ends around portion, Wherein the circular portion is surrounded on the sheath, and the extension moving portion passes through and is sticked in the fixed part and to the sheath Side is prominent, and drives circular portion's beam together in the sheath.

The effect of the utility model

One main purpose of the utility model is to provide a kind of catheter assembly, is coated on by the dirt proof sleeve described Except catheter, to prevent the pollution of the catheter when in use.

The another object of the utility model is to provide a kind of catheter assembly, and the inner peripheral surface of the sheath has multiple pieces Shape protrusion is connected to the outer peripheral surface of the catheter by the multiple block-like protrusions, increases the sheath and the catheter Between frictional force, so that the sheath is not easy to fall off from the catheter when in use.

A further object of the utility model is that providing one kind has catheter assembly, and user is moved by the grip part The sheath is moved, thus convenient for users to operating the catheter.

A further object of the utility model is to provide a kind of catheter assembly, passes through the sheath of the grip part Width is greater than the internal diameter of urethral orifice, to prevent catheter, the sheath is slid to the urethra of user when in use.

Detailed description of the invention

Fig. 1 is the schematic diagram of the catheter with dirt proof sleeve of the catheter assembly of the utility model first embodiment；

Fig. 2 is the perspective view of the catheter assembly with dirt proof sleeve of the utility model first embodiment；

Fig. 3 is the schematic diagram of the top casing element of the catheter assembly of Fig. 1；

Fig. 4 is the schematic diagram of the lower shell of the catheter assembly of Fig. 1；

Fig. 5 is the exploded view of the catheter assembly of Fig. 2；

Fig. 6 is the use state diagram of the catheter assembly of Fig. 1；

Fig. 7 is the schematic diagram of the sheath of the catheter assembly of the utility model second embodiment；

Fig. 8 is the perspective view of the catheter assembly of Fig. 7；

Fig. 9 is the use state diagram of the catheter assembly of Fig. 7；

Figure 10 is the schematic diagram of the sheath of the catheter assembly of the utility model 3rd embodiment；

Figure 11 is the schematic diagram of the sheath of the catheter assembly of the utility model fourth embodiment；

Figure 12 is the schematic diagram of the sheath of the catheter assembly of the 5th embodiment of the utility model；

Figure 13 is the schematic diagram of the sheath of the catheter assembly of the utility model sixth embodiment；

Figure 14 is the schematic diagram of the sheath of the catheter assembly of the 7th embodiment of the utility model；

Figure 15 is the exploded view of the catheter assembly using different housings of Fig. 2.

Wherein, the reference numerals are as follows:

100 catheter assemblies

110 catheters

112 input units

114 output sections

115 openings

120 shells

122 accommodating spaces

124 top casing element

124a bottom perforated

124b is around protruding portion

124c notch section

126 lower shells

126a overp0unch

128 conduit outlet portions

129 through holes

130 dirt proof sleeves

140 sheaths

142 block-like protrusions

144 grip parts

The first operation portion of 144a

The second operation portion of 144b

144c annular space

144d is around portion

144e fixed part

144f extends moving portion

150 hollow cushions

200 catheter assemblies

300 catheter assemblies

400 catheter assemblies

500 catheter assemblies

600 catheter assemblies

700 catheter assemblies

A axis

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 the embodiments of the present invention below, so that this field Technical staff can implement accordingly after studying this specification carefully.

Fig. 1 is the schematic diagram of the catheter with dirt proof sleeve of the catheter assembly of the utility model first embodiment, Fig. 2 is the perspective view of the catheter assembly with dirt proof sleeve of the utility model first embodiment.As shown in Figures 1 and 2, this reality Applying the catheter assembly 100 provided by example with dirt proof sleeve includes catheter 110, dirt proof sleeve 130, hollow cushion 150.It is described Catheter 110 is reelability hollow pipe fitting, including first end E1 and second end E2, the first end E1 of the catheter 110 have At least one opening 115.The catheter 110 includes input unit 112 and output section 114, and the input unit 112 is located at the urethral catheterization The first end E1 of pipe 110, the input unit 112 extend to form cambered surface cone cell from the axis of the catheter 110, or can be Extend and be formed in the direction towards input unit 112 shape being gradually inwardly tapered on the axis of the catheter 110, to utilize The input unit 112 enters urethra by the urethral orifice of user U, and extends into bladder.The output section 114 is located at The second end E2 of the catheter 110.The dirt proof sleeve 130 is set to the second end E2 of the catheter 110, and described anti- Dirt set 130 is coated on the outside of the catheter 110.The hollow cushion 150 can accordingly be set in the catheter 110 Output section 114, to be removably set in the output section 114 of the catheter 110.The hollow cushion 150 is that elasticity is solid Determine part, can connect (not shown) with corresponding suitable sanitary vessels, the sanitary vessels for example: urinal or other are suitable hygienic Container etc..Since the output section 114 of the catheter 110 is fixedly attached to sanitary vessels by the hollow cushion 150, thus It avoids urine is not expected from being exuded to context, leads to environmental pollution.It is arranged with the output section of the hollow cushion 150 114 weight is greater than the input unit 112, holds so that the output section 114 is connected to suitable health convenient for users to U Device.

As shown in Fig. 2, the catheter assembly 100 of the present embodiment further include: shell 120, the shell 120 have accommodating empty Between 122, top casing element 124, lower shell 126, conduit outlet portion 128, the top casing element 124 by the axis A of the shell 120 with The lower shell 126 is aligned and is fitted into each other, to form the accommodating space 122, and the top casing element 124 is relative to described For lower shell 126 along the axis A moving in rotation, the catheter 110 is wound configuration in the accommodating space 122.It is described The periphery of shell 120 is attached the conduit outlet portion 128, and the input unit 112 of the catheter 110 passes through the conduit outlet portion 128 are pierced by the shell 120.In catheter assembly 100, the catheter 110, which is wound, to be placed in the shell 120, from And described 110 the space occupied of catheter is reduced, it stores and uses convenient for users to U.

Fig. 3 is that the schematic diagram of the lower shell of the catheter assembly of Fig. 1, Fig. 4 are that the top casing element of catheter assembly of Fig. 1 is shown Intention, Fig. 5 are the decomposition that exploded view, Figure 15 of the catheter assembly of Fig. 2 are the catheter assembly using different housings of Fig. 2 Figure.As shown in figure 3, the top casing element 124 further include: bottom perforated 124a, surround protruding portion 124b, notch section 124c.It is described Top casing element 124 has bottom perforated 124a on the axis a.122 side of accommodating space described in the outer Zhou Dynasty of the bottom perforated 124a Yearn for outer be extended with around protruding portion 124b, to chimeric with the overp0unch 126a of the lower shell 126.Described surround protrudes At least a part of of portion 124b forms notch section 124c, and the output section 114 of the catheter 110 is made to pass through the notch section 124c Expose, and the output section 114 is located at the bottom perforated 124a.Preferably, 114 sets of the output section of the catheter 110 If the hollow cushion 150, and exposed at the bottom perforated 124a by the notch section 124c.

As shown in figure 4, the lower shell 126 further include: the lower shell 126 has overp0unch 126a on the axis a, The overp0unch 126a is aligned on the axis a with the bottom perforated 124a and the bottom perforated 124a is surround by described Protruding portion 124b is rotatably fitted into the overp0unch 126a, to form the through hole 129 for running through 120 center of shell, The through hole 129 can accommodate some of the second end E2 of the catheter 110.The peripheral ring of the lower shell 126 is equipped with Gomphosis groove (not shown), the gomphosis groove is rotatably fitted into the outer peripheral surface of the top casing element 124, thus the top casing element 124 relative to 126 moving in rotation of lower shell.The periphery of the lower shell 126 is attached with the conduit outlet portion 128, from And the input unit 112 of the catheter 110 is allowed to be pierced by the shell 120.

As shown in figure 5, the catheter of the dirt proof sleeve 130 will be coated in the catheter assembly 100 of the present embodiment 110 in the shell 120.Firstly, the output section 114 for being arranged with the catheter of the hollow cushion 150 passes through The notch section 124c is fixed on the bottom perforated 124a.Then, by the catheter 110 other partly along on described The circular protruding portion 124b of shells 124 is wound, and the lower shell 126 is correspondingly fitted to institute by the gomphosis groove State the periphery of top casing element 124.Followed by being pierced by the first end of the catheter 110 by the conduit outlet portion 128 described Shell 120, to expose the input unit 112.As shown in figure 15, in the catheter assembly of the present embodiment 100, shell 120 by Top casing element 124 and lower shell 126 form, and top casing element 124 and lower shell 126 surround and form accommodating space, made containing antifouling The catheter 110 of set 130 can be placed in one, preferably, the shells of plastic cement material can be made up in lower shell 126 of blister machine, Top casing element 124 can be sealer, and in a manner of being bonded, bind etc. and alignment axis A can stick in lower shell 126 with removing.User U Directly top casing element 124 is removed when use, can take the catheter assembly 100.

Fig. 6 is the use state diagram of the catheter assembly of Fig. 1.As shown in fig. 6, in the catheter assembly of the present embodiment In 100, user U is gripped in place first in the hollow cushion 150 of the second end of the catheter 110, by rotating in described Empty cushion 150 drive relatively described 126 moving in rotation of lower shell of the top casing element 124 so that the catheter 110 first end It is pierced by the conduit outlet portion 128 and exposes suitable length.Then, the hand of user U is held in the dirt proof sleeve 130 The first end of catheter 110, by the dirt proof sleeve 130 towards arrow direction A1 movement to allow the input unit 112 to expose, user The input unit 112 is entered bladder along urethra by urethral orifice by U.Since the dirt proof sleeve 130 is coated on the urethral catheterization The hand of the outside of pipe 110, user U will not directly contact the catheter 110, to prevent using upper unnecessary pollution.

Fig. 7 is the schematic diagram of the sheath of the catheter assembly of the utility model second embodiment.As shown in fig. 7, in this reality It applies in the catheter assembly 200 of example, further includes sheath 140, positioned at the first end E1 of the catheter 110, the sheath 140 Inner peripheral surface has multiple block-like protrusions 142, the internal diameter D of the sheath 140₁Greater than the outer diameter D of the catheter 110₂, the shield Set 140 slideably moves between the first end E1 and second end E2 of the catheter 110.The multiple block-like protrusions 142 It is connected to the outer peripheral surface of the catheter 110, reduces the periphery with the catheter 110 by the multiple block-like protrusions 142 The inner peripheral surface of the frictional force in face, the especially described sheath 140 can be added into lubricating oil, so that the sheath 140 is easy when using It is slided from the catheter 110.The sheath 140, which also can form surface in inner peripheral surface by modes such as frosted, sand quarters, bulk The rough surface of protrusion 142, the rough surface can increase the contact area with the outer peripheral surface of the catheter 110, thus The sheath 140 is not easy to fall off from the catheter 110 when use.The multiple block-like protrusions 142 can be regularly formed It can be the inner circumferential of entire sheath 140 in the arrangement of the inner peripheral surface of the sheath 140, regularly multiple block-like protrusions 142 Face is partly presented multiple block-like protrusions 142 arranged in a straight line, multiple block-like protrusions 142 of part presentation slant arrangements, is partly in Multiple block-like protrusions 142 of existing band arrangement, partly in multiple block-like protrusions 142 of specific pattern arrangement or and combinations thereof；With And the multiple block-like protrusions 142 can be irregularly formed and dash forward in the inner peripheral surface of the sheath 140, such as the multiple bulk Form the inner peripheral surface of the sheath 140 with playing 142 random distributions.The multiple block-like protrusions 142 also may be provided at the sheath 140 outer peripheral surface, thus convenient for users to gripping.The outer peripheral surface of the sheath 140 can have an at least groove (not shown), 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 140 diameter of sheath It is arranged outwardly to direction, to allow user's easy gripping sheath 140 or an at least groove can be towards the sheath 140 radial directions are arranged inwardly, thus it is outer convenient for users to being easy to hold, it can also prevent the sheath 140 from leading relative to described The problem of urinary catheter 110 falls off.

Fig. 8 is the perspective view of the catheter assembly of Fig. 7.As shown in figure 8, in the catheter assembly 200 of the utility model, The catheter 110 is coated with the dirt proof sleeve 130, the catheter 110 first end be equipped with the sheath 140, and Second end is equipped with the hollow cushion 150.The dirt proof sleeve 130 can be coated on the catheter 110 and the sheath 140 it Outside, or close to the 110 first end E1 of catheter the setting of dirt proof sleeve 130 the catheter 110 and the sheath 140 it Between (not shown).The second end of the catheter 110 is fixed on by the notch section 124c by the top casing element 124 and lower casing The chimeric through hole 129 formed of part 126, and the first end of the catheter 110 is pierced by by the conduit outlet portion 128.

Fig. 9 is the use state diagram of the catheter assembly of Fig. 7.As shown in figure 9, in the catheter assembly of the present embodiment In 200, user U is gripped in place first in the hollow cushion 150 of the second end of the catheter 110, by rotating in described Empty cushion 150 drive relatively described 126 moving in rotation of lower shell of the top casing element 124 so that the catheter 110 first end Expose suitable length.Then, the hand of user U is held on the sheath 140, and the sheath 140 is located at the catheter 110 first end and between the dirt proof sleeve 130 and the catheter 110.User U is by the sheath 140 towards arrow Direction A₁It is mobile, and move the dirt proof sleeve 130 in the same direction, so that the input unit 112 is exposed, and from Urethral orifice enters bladder by urethra.Since the inner peripheral surface of the sheath 140 has multiple block-like protrusions 142, the multiple bulk Protrusion 142 is connected to the outer peripheral surface of the catheter 110, the frictional force between sheath 140 and catheter 110 is reduced, to make User U is when the movement sheath 140 allows the input unit 112 to expose than the utility model first embodiment without the shield The catheter assembly 100 of set 140 is easier.Further, since the dirt proof sleeve 130 is coated on the outside of the catheter 110, make The hand of user U will not directly contact the catheter 110, to prevent using upper unnecessary pollution.

Figure 10 be the schematic diagram of the sheath of the catheter assembly of the utility model 3rd embodiment, Figure 11 be the utility model The schematic diagram of the sheath of the catheter assembly of fourth embodiment, catheter assembly that Figure 12 is the 5th embodiment of the utility model Schematic diagram, Figure 13 of sheath are that schematic diagram, Figure 14 of the sheath of the catheter assembly of the utility model sixth embodiment are this reality With the schematic diagram of the sheath of the catheter assembly of novel 7th embodiment.

As shown in Figure 10~14, the sheath 140 includes protruding portion 144, and the sheath 140 is connected towards the sheath 140 Radial direction protruding portion 144 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 140 with the protruding portion 144 is greater than the internal diameter of urethral orifice, to prevent the sheath 140 because use accidentally due to insert and hurt urethral orifice.

Also, the protruding portion 144 of the sheath 140 can be for towards 120 radial direction of sheath protruding portion outstanding outward 144 or towards the inwardly projecting multiple block-like protrusions 142 of 120 radial direction of sheath or both aforementioned combination.

As shown in Figure 10, in catheter assembly 300, the protruding portion 144 is plate, from the diameter of the catheter 110 The outer peripheral surface of the sheath 140 is extended outwardly and is fixed in on direction.The protruding portion 144 of the plate preferably with it is described Sheath 140 is integrally formed, and is also possible to by common snap device, locked mechanism that the protruding portion 144 of the plate is affixed In the outer peripheral surface of the sheath 140.The hand of user U can make the sheath 140 by being held in the protruding portion 144 of the plate It is moved relative to the catheter 110.

As shown in figure 11, in catheter assembly 400, the protruding portion 144 has the behaviour of the first operation portion 144a and second Make the court in the radial direction of portion 144b, the first operation portion 144a and the second operation portion 144b from the catheter 110 Outer extension and the sheath 140 being coated on the catheter 110, the first operation portion 144a fit in second behaviour Make portion 144b.The first operation portion 144a and the second operation portion 144b is preferably integrally formed with the sheath 140.Make The finger of user U can be held in the first operation portion 144a and the second operation portion 144b respectively makes 140 phase of sheath The catheter 110 is moved.

As shown in figure 12, in catheter assembly 500, one end of the protruding portion 144 is coaxially fixed in the sheath 140, and the internal diameter D of the other end of the protruding portion 144₃Greater than the internal diameter D of the sheath 140₁, during the protruding portion 144 is formed It is empty horn-like.The hollow horn-like protruding portion 144 is preferably integrally formed with the sheath 140.When the holding of user U It holds in the protruding portion 144, by the movement to the protruding portion 144 on the axis of the catheter 110, jointly band Move the movement of the sheath 140.

As shown in figure 13, in catheter assembly 600, the protruding portion 144 be strip, the two of the protruding portion 144 End respectively attaches to the both ends of the sheath 140 and extending outwardly in the radial direction from the catheter 110, the protrusion Portion 144 and the sheath 140, which surround, forms annular space 144c.The finger of user U can pass through the protruding portion of strip 144 extract the catheter 110 with the sheath 140 with the accommodating space 144c, and can be according to user's demand, in institute It states on the axis of catheter 110 through the movement to the protruding portion 144, jointly drives the movement of the sheath 140.

As shown in figure 14, in the catheter assembly 700, the protruding portion 144 has around portion 144d, fixed part 144e and extension moving portion 144f, the fixed part 144e and the extension moving portion 144f are fixed in the circular portion 144d's Both ends, wherein the circular portion 144d is surrounded on the sheath 140, the extension moving portion 144f is passed through and is sticked in described Fixed part 144e and it is prominent to 140 side of sheath, and drive the circular portion 144d beam together in the sheath 140.When making When the hand of user U is held in the extension moving portion 144f, it can will be driven according to user's demand, the extension moving portion 144f The circular portion 144d for being looped around the sheath 140 is slidably moved the sheath along the axis of the catheter 110 140。

About above embodiment, the dirt proof sleeve 130 can coat the sheath containing protruding portion 144 of different shapes 140 or the dirt proof sleeve 130 can correspond to the protruding portion 144 of different shapes and open up out corresponding be open so that described prominent Portion 144 exposes out.

The characteristics of the utility model above-described embodiment, essentially consists in, by the dirt proof sleeve be coated on the catheter it Outside, to prevent the pollution of the catheter when in use.Moreover, the utility model above-described embodiment passes through the interior of the sheath Multiple block-like rough surfaces of circumferential surface, the multiple bulk are connected to the outer peripheral surface of the catheter, reduce the sheath and institute The frictional force between catheter is stated, so that the sheath is easy to slide from the catheter when in use.Also, on the utility model The sheath for stating embodiment has grip part, and user is by the mobile sheath in the grip part, thus convenient for users to operation The catheter.Furthermore the utility model above-described embodiment is greater than urethral orifice by the width of the sheath of the grip part Internal diameter, to prevent from stating urinary catheter, the sheath is slid to the urethra of user when in use.

As described above is only the preferred embodiment to explain the utility model, is not intended to accordingly to the utility model Do limitation in any form, therefore, it is all have make under identical spirit any modification in relation to the utility model or Change all should include being intended to the scope of protection in the utility model.

Claims (10)

1. a kind of catheter assembly with dirt proof sleeve 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)；

Shell (120) is made of top casing element (124) and lower shell (126), and the catheter (110) is wound by described In accommodating space (122) made of shells (124) and lower shell (126) surround；And

Dirt proof sleeve (130) is set to the second end (E2) of the catheter (110), and the dirt proof sleeve (130) is coated on institute State the outside of catheter (110).

2. the catheter assembly according to claim 1 with dirt proof sleeve, which is characterized in that the shell (120) is also wrapped Include: conduit outlet portion (128) are attached at the periphery of the shell (120), and the input unit (112) of the catheter (110) The shell (120) are pierced by by the conduit outlet portion (128).

3. the catheter assembly according to claim 1 with dirt proof sleeve, which is characterized in that the top casing element (124) is logical The axis (A) for crossing the shell (120) is aligned and chimeric each other with the lower shell (126), to form the accommodating space (122), and the top casing element (124) relative to the lower shell (126) along the axis (A) moving in rotation.

4. the catheter assembly according to claim 1 with dirt proof sleeve, which is characterized in that further include sheath (140), ring It is located at the outer peripheral surface of the catheter (110), and is slideably moved between the first end (E1) and the second end (E2) It is dynamic.

5. the catheter assembly according to claim 4 with dirt proof sleeve, which is characterized in that sheath (140) connection Have towards the sheath (140) radial direction protruding portion outstanding (144), the internal diameter of the sheath (140) is greater than the interior of urethral orifice Diameter.

6. the catheter assembly according to claim 5 with dirt proof sleeve, which is characterized in that the protruding portion (144) is Multiple block-like protrusions (142), protrude inwardly from the radial direction of the sheath (140), and the multiple block-like protrusions (142) abut Outer peripheral surface in the catheter (110).

7. the catheter assembly according to claim 5 with dirt proof sleeve, which is characterized in that the protruding portion (144), from The radial direction of the sheath (140) protrudes outwardly, has the first operation portion (144a) and the second operation portion (144b), and described the One operation portion (144a) and second operation portion (144b) extending outwardly and wrapping in the radial direction from the catheter (110) The sheath (140) on the catheter (110) is overlayed on, first operation portion (144a) fits in second operation portion (144b)。

8. the catheter assembly according to claim 5 with dirt proof sleeve, which is characterized in that the protruding portion (144) from The radial direction of the sheath (140) protrudes outwardly, and one end of the protruding portion (144) is coaxially fixed in the sheath And internal diameter (the D of the other end of the protruding portion (144) (140),₃) it is greater than the internal diameter (D of the sheath (140)₁)。

9. the catheter assembly according to claim 5 with dirt proof sleeve, which is characterized in that the protruding portion (144) is Strip protrudes outwardly from the radial direction of the sheath (140), and the both ends of the protruding portion (144) respectively attach to institute State the both ends of sheath (140) and extending outwardly in the radial direction from the catheter (110), the protruding portion (144) and institute Sheath (140) are stated around forming annular space (144c).

10. the catheter assembly according to claim 5 with dirt proof sleeve, which is characterized in that the protruding portion (144), It is protruded outwardly from the radial direction of the sheath (140), have around portion (144d), fixed part (144e) and extends moving portion (144f), the fixed part (144e) and extension moving portion (144f) are fixed in the both ends of the circular portion (144d), Wherein the circular portion (144d) is surrounded on the sheath (140), and the extension moving portion (144f) passes through and is sticked in described Fixed part (144e) and it is prominent to the sheath (140) side, and drive circular portion (144d) beam together in the sheath (140)。