CN206867499U

CN206867499U - Catheter and spring part easy to plug

Info

Publication number: CN206867499U
Application number: CN201720044672.1U
Authority: CN
Inventors: 方国九
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-01-13
Filing date: 2017-01-13
Publication date: 2018-01-12
Anticipated expiration: 2027-01-13

Abstract

The utility model provides a kind of catheter and spring part easy to plug, belong to medical instruments field, the catheter easy to plug includes catheter main body and spring part, one end of catheter main body is provided with inflation water filling port and urine outlet, the other end of catheter main body are provided with urine inlet and fixation balloon；The first pipeline and the second pipeline are provided with catheter main body, inflation water filling port is connected by the first pipeline with fixation balloon, and urine outlet is connected by the second pipeline with urine inlet；Spring part is built in catheter main body, and positioned at urine inlet one end of catheter main body.Catheter easy to plug provided by the utility model, spring part is provided with catheter main body, spring part can increase the integral hardness of catheter main body, can smoothly insert urethra；Its is simple in construction, and cost is cheap, can be used as disposable products；Disinfectant program is saved, improves sanitary standard, use is safer.

Description

Catheter and spring part easy to plug

Technical field

It the utility model is related to medical instruments field, more particularly to a kind of catheter and spring part easy to plug.

Background technology

Urethral catheterization is one of clinically common medical care precess, and catheter is usually used in helping patient to collect urine or help postoperative Urinated Deng home-bound patient, be also applied for the retention of urine caused by lower urinary tract obstruction, urethral catheterization operation is also applied to rescue danger Situations such as heavy patient, general anesthesia Preoperative Method, intravesical drug perfusion or bladder irrigation.

Catheter generally comprises catheter and the air bag being arranged on catheter, and urine inlet is located at the termination of catheter, When plugging in catheter, urethral catheterization pipe end is put in into urinary tract, after reaching assigned position, inflation or water filling into air bag, using inflation or Catheter is fixed and stayed in bladder by air bag after water filling, is avoided rocking and is come off, the urine inlet that urine passes through catheter upper end It is external so as to be brought out into catheter.

Catheter of the prior art, generally managed using made of natural rubber, silicon rubber or polyvinyl chloride (PVC) Road, material is soft, and elasticity is good, it is not easy to injured patients' organ cortex, but just because of its soft characteristic, makes it be not easy insertion urine Road, the patient of ankylurethria are not easily pluggable into, and medical worker is needed repeatedly to try to insert repeatedly, and great pain is caused to patient, Urethral injury even can be caused.More especially there are the narrow patient of slight hyperplasia of prostate or urinary tract, or some hearts Manage that quality is poor, flappable patient, it is not smooth to be easy to occur intubation, while increasing the pain of patient, also increases doctor The work difficulty of nurse author.

In order to solve the above problems, has there are some novel urinary catheterization devices for being advantageous to assign in existing in the market.For example, The utility model patent of the earlier application of Application No. " CN201220676332.8 ", disclose a kind of Urology Surgery and led with urinary catheter Lead device, the guide include catheter, sleeve pipe, outer strut and spring, are provided with sleeve pipe in the catheter, described sleeve pipe end is set Have a handle, inside is provided with two outer struts, and the outer strut front end connects fixture block, and rear end connects squeezing handle, described two squeezing handles it Between be provided with spring；The catheter is the rubber tube of top concentric contraction, and described sleeve pipe is stereoplasm tube；In described sleeve pipe inside Sky, the hole slot for fixture block and squeezing handle stretching is had on outer wall.

Fixture block is set to be collapsible into sleeve pipe in use, clutching squeezing handle, so that sleeve pipe is smoothly inserted in catheter, when fixture block is stretched During to catheter top, unclamping squeezing handle makes fixture block stretch out sleeve pipe, after catheter is inserted into urethra correct position together with sleeve pipe, clutches Squeezing handle extracts sleeve pipe out.

Urology Surgery urinary canal guider disclosed in above-mentioned utility model, dismountable connection one outside the catheter of softness Hard sleeve, by increasing capacitance it is possible to increase the hardness of catheter, reduce insertion difficulty.But outer strut and hard sleeve make the whole of catheter Body hardness is too strong, while insertion difficulty is reduced, the pain that insertion is brought to patient is also increased, moreover, the urinary catheter guides The structure of device is more complicated, and production cost is higher, is not suitable for disposable；And when recycling, the structure of more parts, Yi Jiling Small space in part is that sterilization is made troubles, therefore certain potential safety hazard be present.

In summary, be badly in need of currently on the market a kind of simple in construction, easily generate, and cost is cheap, safety and sanitation it is easy The catheter of plug.

Utility model content

The purpose of this utility model is to provide a kind of catheter easy to plug, the complex spring in catheter, to solve The defects of the problem of certainly catheter insertion is difficult, overcomes Related product of the prior art, complicated, and cost is high.

To achieve these goals, the utility model provides a kind of catheter easy to plug, including：

Catheter main body, one end of the catheter main body are provided with inflation water filling port and urine outlet, the catheter The other end of main body is provided with urine inlet and fixation balloon；The first pipeline and the second pipeline, institute are provided with the catheter main body State inflation water filling port to connect with fixation balloon by the first pipeline, the urine outlet is connected by the second pipeline and urine inlet It is logical；

Spring part, the spring part are built in catheter main body, and positioned at urine inlet one end of catheter main body.

Further, the spring part is embedded in the tube wall of catheter main body.

Further, the outer surface of the spring part, which is brushed, corrosion-resistant coating.

Further, one end that the catheter main body is provided with urine inlet is solid part, and the end of the solid part is Smooth arc-shaped；The urine inlet is the through hole through the solid part, and the axis direction of the through hole is perpendicular to catheter The axis direction of main body.

Further, the spring part includes spring and supporting head part, and the supporting head part is fixed on the one of spring End；The solid part of the catheter main body is provided with and assigns chamber, and the supporting head part, which is fixed on, described assigns intracavitary.

Further, being bent by cross section for the strip boards of rectangle for the spring part forms.

Further, the outside of the catheter main body is provided with the graduation mark for being used for showing insertion depth.

In addition, the utility model also provides a kind of single-chamber catheter easy to plug, including catheter main body and spring part；Institute One end urine outlet of catheter main body is stated, the other end is provided with urine inlet, and the urine outlet passes through the second pipeline and urine Entrance connects；The spring part is built in catheter main body, and positioned at urine inlet one end of catheter main body.

In addition, the utility model also provides a kind of spring part for being used to increase catheter hardness, including spring and support Head, one end of the supporting head part are fixedly connected with spring, and the other end is smooth arc-shaped；The spring is by transversal Face forms for the strip boards bending of rectangle.

Further, loop density of the spring close to one end of supporting head part is more than one end away from supporting head part Loop density.

Compared to prior art, catheter easy to plug provided by the utility model, bullet is provided with catheter main body Spring part, spring part can increase the integral hardness of catheter main body, can smoothly insert urethra, be particularly suitable for use in slight Hyperplasia of prostate or the narrow patient of urinary tract, mitigate the pain of patient, while also reduce health care workers' work difficulty.

Spring part can transmit larger axial force, enable to act in the middle part of catheter main body or the power of afterbody compared with Smoothly it is transferred to head；Meanwhile to axial, spring part is diametrically easier to bend, can be sent out with the shape of urethra Raw bending, similarly serves to favor and assigns process.

For catheter main body after spring part is added, hardness is moderate, will not be too strong by integral hardness, increases the pain of patient； Moreover, the axial support force of spring part can adjust with the change of decrement in a small range, its hardness is set to reach required strong Degree, will not increase too big again.

Particular, it is important that catheter easy to plug provided by the utility model, its is simple in construction, and cost is cheap, can Used as disposable products；Disinfectant program is saved, improves sanitary standard, use is safer.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the dimensional structure diagram for the catheter easy to plug that first embodiment of the present utility model provides；

Fig. 2 is the cross-sectional view for the catheter main body that first embodiment of the present utility model provides；

Fig. 3 is the dimensional structure diagram for the spring part that first embodiment of the present utility model provides；

Fig. 4 is the cross section signal of the spring part for the increase catheter hardness that second embodiment of the present utility model provides Figure；

Fig. 5 is the dimensional structure diagram of the strip boards of the spring part of the increase catheter hardness shown in Fig. 4；

Fig. 6 is the cross section signal of the spring part for the increase catheter hardness that 3rd embodiment of the present utility model provides Figure；

Fig. 7 is the dimensional structure diagram of the wire rod of the spring part of the increase catheter hardness shown in Fig. 6.

Reference：

1- catheter main bodys；2- spring parts；3- strip boards；

4- wire rods；11- inflates water filling port；12- urine outlets；

13- urine inlets；14- fixation balloons；15- solid parts；

21- spring；22- supporting head parts.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

First embodiment

Fig. 1 is the dimensional structure diagram for the catheter easy to plug that first embodiment of the present utility model provides；Fig. 2 is The cross-sectional view for the catheter main body that first embodiment of the present utility model provides；Fig. 3 is of the present utility model first real The dimensional structure diagram of the spring part of example offer is provided.

As Figure 1-3, the utility model provides a kind of catheter easy to plug, including catheter main body 1 and spring part 2。

One end of the catheter main body 1 is provided with inflation water filling port 11 and urine outlet 12, the catheter main body 1 The other end is provided with urine inlet 13 and fixation balloon 14；The first pipeline and the second pipeline are provided with the catheter main body 1, it is described Inflation water filling port 11 is connected by the first pipeline with fixation balloon 14, and the urine outlet 12 passes through the second pipeline and urine inlet 13 connections；The spring part 2 is built in catheter main body 1, and positioned at one end of urine inlet 13 of catheter main body 1.

The catheter easy to plug that first embodiment of the present utility model provides, its operation principle and using method are as follows：

Urethra is inserted in one end that catheter main body 1 is provided with to urine inlet 13；After reaching set depth, by inflating water filling 11 water fillings of mouth or inflation, water or air enter fixation balloon 14 by the first pipeline, after fixation balloon 14 expands, by urethral catheterization Pipe is fixed in bladder, is avoided rocking and is come off；Urine can pass through urine inlet 13, the second pipeline and the row of urine outlet 12 afterwards Into urine collecting.

It should be noted that the catheter easy to plug that the present embodiment provides is double cavity structure, but this is only this practicality A new specific embodiment, catheter of the present utility model can also be three chambers or multi-cavity structure.

Compared to prior art, the utility model provides a kind of catheter easy to plug, is set in catheter main body 1 Spring part 2, spring part 2 can increase the integral hardness of catheter main body 1, can smoothly insert urethra, especially suitable The patient narrow for slight hyperplasia of prostate or urinary tract, mitigates the pain of patient, while also reduces health care workers' work Make difficulty.

Because spring part 2 is built in catheter main body 1, the part with human contact is still catheter main body 1, The material of catheter main body 1 is soft, and elasticity is good, it is not easy to which injured patients' organ cortex, i.e. the utility model had both remained traditional The advantages of catheter is soft safe, reduces again and assign difficulty.

Moreover, spring part 2 can transmit larger axial force, make to act on the middle part of catheter main body 1 or afterbody Power can be smoothly be transferred to head；Meanwhile to axial, spring part 2 is diametrically easier to bend, can be with urethra Shape bend, similarly serve to favor and assign process.

In addition, catheter main body 1, after spring part 2 is added, hardness is moderate, will not be too strong by integral hardness, increase patient Pain；Moreover, the axial support force of spring part 2 can adjust with the change of decrement, reach its hardness in a small range Required intensity, it will not increase again too big.

In the present embodiment, the spring part 2 is embedded in the tube wall of catheter main body 1, and spring part 2 is not exposed to urethral catheterization The outside of pipe main body 1, can avoid spring part 2 and tissue or urine contact, on the one hand avoid spring part 2 from causing repulsion Reaction, on the other hand, the interstitial fluid contacts such as spring part 2 and urine can be avoided to react, produce harmful substance, or reduce equipment Service life.

In order to further reduce risk, being brushed in the outer surface of spring part 2 has corrosion-resistant coating, even if catheter main body 1 is sent out Worn outside business, spring part 2 still ensures that safe to use outside catheter main body 1.

The catheter easy to plug that the present embodiment provides, its production process can be：Spring part 2 is first produced, by spring part 2 It is placed among the production mould of catheter main body 1, then pours material, spring part 2 is embedded in the tube wall of catheter main body 1.

Certainly, this is only a specific embodiment of the present utility model, and the mounting means of spring part 2 of the present utility model is simultaneously This is not limited to, spring part 2 can be also sleeved on to one end provided with urine inlet 13 of catheter main body 1, then in catheter Safety, harmless coating are brushed in the outside of main body 1, to cover spring part 2.

In the present embodiment, one end that the catheter main body 1 is provided with urine inlet 13 is solid part 15, the solid part 15 end is smooth arc-shaped；The urine inlet 13 is through the through hole of the solid part 15, the axis side of the through hole To the axis direction perpendicular to catheter main body 1.

One end of catheter main body 1 is set to solid part 15, by increasing capacitance it is possible to increase the hardness of end, be advantageous to assign operation.For The design of solid part 15 is realized, urine inlet 13 is designed as the opening perpendicular to the second pipeline.

The spring part 2 includes spring 21 and supporting head part 22, and the supporting head part 22 is fixed on the one of spring 21 End；The solid part 15 of the catheter main body 1 is provided with and assigns chamber, and the supporting head part 22, which is fixed on, described assigns intracavitary.

It is adapted to the solid part 15 of above-mentioned urinary catheter main body, spring part 2 devises supporting head part 22, and branch fastener assigns into It after inserting chamber, can further increase the hardness of solid part 15, front end insertion urethra can be used as.

The shape of supporting head part 22 is similar with the end shape of solid part 15, and its diameter is gradually reduced, and is in smooth circle Arcuation, the supporting head part 22 of the shape can effectively support solid part 15, and the solid part 15 of the shape can effectively reduce Resistance when assigning, it can also reduce the injury to human body.

In the present embodiment, the material of the catheter main body 1 is soft, and will not cause rejection, can use conventional Catheter material, for example, natural rubber, silicon rubber or polyvinyl chloride material etc..The spring part 2 is metal material or modeling Expect material, because spring part 2 is contained in inside catheter main body 1, not with human contact, therefore, the material of spring part 2 is required It is relatively low, as long as elasticity is moderate.

Certainly, this is only a specific embodiment of the present utility model, catheter main body 1 of the present utility model and spring part 2 specific material is not limited thereto, or other materials.

In the present embodiment, the outside of the catheter main body 1 is provided with the graduation mark for being used for showing insertion depth, graduation mark Operation difficulty can be reduced, is favorably improved performance accuracy and operating efficiency, is particularly suitable for the medical and nursing work lacked experience Person.

The graduation mark can need not cover all urethral catheterization for the lines of printing, or the projection of strip, graduation mark Pipe main body 1, as long as it can be shown that conventional scope.

Second embodiment

Fig. 4 is the cross section signal of the spring part for the increase catheter hardness that second embodiment of the present utility model provides Figure；Fig. 5 is the dimensional structure diagram of the strip boards of the spring part of the increase catheter hardness shown in Fig. 4.

As shown in Figure 4 and Figure 5, the present embodiment provides a kind of spring part for increasing catheter hardness, including the He of spring 21 Supporting head part 22, one end of the supporting head part 22 are fixedly connected with spring 21, and the other end is smooth arc-shaped；The bullet Spring portion 21 is bent for the strip boards 3 of rectangle by cross section and formed.

Compared to common spring, the spring part 2 for the increase catheter hardness that the present embodiment provides, provided with supporting head part 22, it can be adapted to the solid part 15 of catheter main body 1；Whole spring part 2 can be placed in catheter, increase catheter main body 1 hardness, difficulty is assigned to reduce.

Formed particular, it is important that spring 21 is bent by cross section for the strip boards 3 of rectangle, the outside of spring 21 In flat tabular, the spring 21 of the shape, be advantageous to be contained in the inwall of catheter main body 1.

Certainly, this is only a specific embodiment of the present utility model, the spring 21 of spring part 2 of the present utility model Concrete shape is not limited thereto, or other shapes, for example, can also be shown in 3rd embodiment.

In addition, the present embodiment provide increase catheter hardness spring part 2, spring 21 close to supporting head part 22 one The loop density at end is more than the loop density of one end away from supporting head part 22.

Due to the diverse location of catheter main body 1, to hardness requirement and different, closer to the position of urine inlet 13 Put, it is desirable to which hardness is higher, and therefore, by the loop density gradual design of spring 21, closer to supporting head part 22, loop density is got over Height, support effect is more preferable, and each position of spring 21 can be made to be respectively provided with moderate hardness.

3rd embodiment

Fig. 6 is the cross section signal of the spring part for the increase catheter hardness that 3rd embodiment of the present utility model provides Figure；Fig. 7 is the dimensional structure diagram of the wire rod of the spring part of the increase catheter hardness shown in Fig. 6.

As shown in Figure 6 and Figure 7, the utility model provides a kind of spring part for increasing catheter hardness, including spring 21 With supporting head part 22, one end of the supporting head part 22 is fixedly connected with spring 21, and the other end is smooth arc-shaped；It is described The spring 21 of spring part 2 is bent for circular wire rod 4 by cross section and formed.

Different from second embodiment, the structure of spring 21 is similar with spring structure of the prior art, such as can use The steel wire distortion manufacture of moderate size.

Fourth embodiment

The utility model also provides a kind of single-chamber catheter easy to plug, including catheter main body and spring part；It is described to lead One end urine outlet of urinary catheter main body, the other end are provided with urine inlet, and the urine outlet passes through the second pipeline and urine inlet Connection；The spring part is built in catheter main body, and positioned at urine inlet one end of catheter main body.

Compared to prior art, the utility model provides a kind of single-chamber catheter easy to plug, in catheter main body There is provided spring part, spring part can increase the integral hardness of catheter main body, can smoothly insert urethra, especially suitable The patient narrow for slight hyperplasia of prostate or urinary tract, mitigates the pain of patient, while also reduces health care workers' work Make difficulty.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims

A kind of 1. catheter easy to plug, it is characterised in that including：

Catheter main body, one end of the catheter main body are provided with inflation water filling port and urine outlet, the catheter main body The other end be provided with urine inlet and fixation balloon；The first pipeline and the second pipeline are provided with the catheter main body, it is described to fill Gas water filling port is connected by the first pipeline with fixation balloon, and the urine outlet is connected by the second pipeline with urine inlet；

Spring part, the spring part are built in catheter main body, and positioned at urine inlet one end of catheter main body.
2. catheter easy to plug according to claim 1, it is characterised in that the spring part is embedded in catheter main body Tube wall in.
3. catheter easy to plug according to claim 1 or 2, it is characterised in that brush the outer surface of the spring part There is corrosion-resistant coating.
4. catheter easy to plug according to claim 1, it is characterised in that the catheter main body is provided with urine inlet One end be solid part, the end of the solid part is smooth arc-shaped；The urine inlet is through the logical of the solid part Hole, the axis direction of the axis direction of the through hole perpendicular to catheter main body.
5. catheter easy to plug according to claim 4, it is characterised in that the spring part includes spring and support Head, the supporting head part are fixed on one end of spring；The solid part of the catheter main body is provided with and assigns chamber, the branch Intracavitary is assigned described in being fixed in fastener portion.
6. catheter easy to plug according to claim 1, it is characterised in that the spring part is rectangle by cross section Strip boards bending form.
7. catheter easy to plug according to claim 1, it is characterised in that the outside of the catheter main body, which is provided with, to be used In the graduation mark of display insertion depth.
8. a kind of single-chamber catheter easy to plug, it is characterised in that including catheter main body and spring part；The catheter main body One end urine outlet, the other end is provided with urine inlet, and the urine outlet is connected by the second pipeline with urine inlet；It is described Spring part is built in catheter main body, and positioned at urine inlet one end of catheter main body.
A kind of 9. spring part for being used to increase catheter hardness, it is characterised in that including spring and supporting head part, the support The one end on head is fixedly connected with spring, and the other end is smooth arc-shaped；Bar of the spring by cross section for rectangle The bending of shape sheet material forms.
10. the spring part according to claim 9 for being used to increase catheter hardness, it is characterised in that the spring is leaned on The loop density of one end of nearly supporting head part is more than the loop density of one end away from supporting head part.