CN203943955U - Balloon malleation cutoff switch for medical catheter - Google Patents
Balloon malleation cutoff switch for medical catheter Download PDFInfo
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- CN203943955U CN203943955U CN201420178420.4U CN201420178420U CN203943955U CN 203943955 U CN203943955 U CN 203943955U CN 201420178420 U CN201420178420 U CN 201420178420U CN 203943955 U CN203943955 U CN 203943955U
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- locking bar
- locking
- medical catheter
- convex clip
- malleation
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 6
- 210000003454 tympanic membrane Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 210000003811 finger Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 241000135309 Processus Species 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009964 serging Methods 0.000 description 1
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Abstract
This utility model relates to a kind of medical catheter flow-stopping clip, balloon malleation cutoff switch for a kind of medical catheter particularly: comprise body and be arranged on body for by the poling hole of medical catheter, its main points are: also comprise a kind of mobile locking bar, body is a kind of locking bar locking cover, mobile locking bar is arranged at intervals with on longitudinally can flexible locking convex clip and the anti-avulsion convex clip of transverse elasticity, locking convex clip and anti-avulsion convex clip are a kind of non-return ratchet, mobile locking bar is plugged in locking bar locking cover cavity and a longitudinal paragraph mobile locking bar wherein and the socket of locking bar locking cover, poling hole is stretched in its bottom, and when locking convex clip and locking bar locking cover card is tactile, medical catheter is clamped on the clamping plane of bottom side, poling hole, on medical catheter outer peripheral face, be coated with a kind of resilient bladder.This utility model advantage is as follows: simple to operation, operating process can not produce negative pressure and without drawing medical catheter, can not produce the operating accident occurring because of drawing medical catheter.
Description
Technical field
This utility model relates to a kind of medical catheter flow-stopping clip, particularly balloon malleation cutoff switch for a kind of medical catheter.
Background technology
The applicant once applied for that a key name was called before this: the utility model patent of one-hand operation medical catheter flow-stopping clip.This application has: simple to operation, operating process can not produce negative pressure and without drawing medical catheter, can not produce the advantages such as operating accident that occur because of drawing medical catheter.The application is the improvement of applying for before this based on this.This applies in use having following weak point before this: the mobile locking bar that is exactly flow-stopping clip turn-offed after one period of long period, for example, after about one day, again open again, the medical catheter of compressive deformation cannot recover former state the short time, though do not affect transfusion, but in the time of can having influence on the shutoff of fluid stopping again, the malleation flow quantity producing is not enough.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art, and provide a kind of simple to operation, operating process can not produce negative pressure and without drawing medical catheter, not can produce the operating accident occurring because of drawing medical catheter in, fluid stopping is turn-offed the malleation flow quantity produce and still can be guaranteed balloon malleation cutoff switch for sufficient medical catheter again.
The purpose of this utility model realizes by following approach.
Balloon malleation cutoff switch for medical catheter, comprise body and be arranged on body for by the poling hole of medical catheter, medical catheter has clamped condition and diastole state in this poling hole, it forms main points and is: also comprise a kind of mobile locking bar, body is a kind of locking bar locking cover, mobile locking bar is arranged at intervals with on longitudinally can flexible locking convex clip and the anti-avulsion convex clip of transverse elasticity, locking convex clip and anti-avulsion convex clip are a kind of non-return ratchet, mobile locking bar is plugged in locking bar locking cover cavity and a longitudinal paragraph mobile locking bar wherein and the socket of locking bar locking cover, poling hole is stretched in its bottom, and when locking convex clip and locking bar locking cover card is tactile, medical catheter is clamped on the clamping plane of bottom side, poling hole, this paragraph medical catheter that clamping plane is corresponding therewith or form or be coated with a kind of resilient bladder and form on medical catheter outer peripheral face by a kind of resilient bladder, locking convex clip and locking bar locking cover depart from card and enter after touch above-mentioned socket paragraph, when limit state is arrived in mobile locking bar diastole, anti-avulsion convex clip and locking bar locking cover touch.
Like this, anti-avulsion convex clip has guaranteed that mobile locking bar is plugged in locking bar locking cover all the time, and the medical catheter passing from poling hole is also between mobile locking bar bottom surface and the clamping plane of bottom side, poling hole all the time.With the thumb in one hand and all the other arbitrary fingers, grip respectively end face and locking bar locking cover bottom surface compression on mobile locking bar, when the resultant motion of the relative locking bar locking of mobile locking bar casing pressure is touched position to card, locking convex clip leaves socket paragraph and is able to transverse elasticity and upholds that to touch position card tactile with the corresponding card of locking bar locking cover, medical catheter is clamped, because locking convex clip is non-return ratchet, mobile locking bar is reverse by locking simultaneously.Discharge after the prominent card of locking, the relative locking bar locking of mobile locking bar cover opens, and now medical catheter is no longer clamped and in diastole state in poling hole, and anti-avulsion convex clip has guaranteed that mobile locking bar can not depart from the grafting with locking bar locking cover.And the enough elasticity of resilient bladder has guaranteed under diastole state, resilient bladder is not subject to clamp the impact of shutoff duration and can recovers rapidly former state, thereby while guaranteeing that fluid stopping is again turn-offed, the abundance of the malleation flow quantity producing.
The purpose of this utility model can also realize by following approach.
This resilient bladder might not be exactly a kind of spherical, but a kind of medically being commonly called as elastic sack body.In this application, the further optimization about this resilient bladder can be:
Resilient bladder or a kind of elliposoidal, or a kind of cylindric shape.
Mobile locking bar substructure can further be optimized for:
Mobile locking bar bottom or be the slightly blunt profile of tooth in a kind of top, or be the consistent ladder profile of tooth of a kind of height, or be the ladder profile of tooth that a kind of height differs, addendum line intersects with poling axially bored line or is vertical.But further optimize, be:
Mobile locking bar bottom is a kind of cascaded surface, and its concave rank are long and corresponding with resilient bladder, and protruding rank are shorter and corresponding with the medical catheter on resilient bladder limit.
Like this, in response to the formed cascaded surface of the adjacent medical catheter of resilient bladder and its both sides.Clamp while turn-offing, protruding rank touch and clamp medical catheter, and recessed rank touch and clamp resilient bladder.
Relative transfusion direction, protruding component level is in the place ahead on recessed rank.
Further optimize and be:
Mobile locking bar bottom is a kind of cascaded surface, its concave rank are long and corresponding with resilient bladder, protruding rank are shorter and corresponding with the medical catheter on resilient bladder limit, and the clamping plane of bottom side, poling hole is also a kind of cascaded surface, and this cascaded surface is corresponding with the cascaded surface of mobile locking bar bottom.
Like this, clamping is more firm.
Further optimize and be:
The cascaded surface of mobile locking bar bottom cascaded surface and bottom side, poling hole, the height of projection on its relatively recessed rank, protruding rank is less than the step therein between resilient bladder and the adjacent medical catheter of its side.
Like this, having guaranteed the bottom cascaded surface of the mobile locking bar that presses down, is first that recessed rank and resilient bladder first touch.
Mobile locking bar is comprised of flexure strip and main body, two flexure strips are symmetrically distributed in main body both sides and are connected with main body elasticity, this two flexure strip has horizontal flexible springing, locking convex clip and anti-avulsion convex clip are longitudinally spaced apart successively along flexure strip, having two locking convex clips and two anti-avulsion convex clips is symmetrically distributed in respectively on two flexure strips, under clamped condition, two flexure strip bands are plugged in the cavity of locking bar locking cover with locking convex clip and anti-avulsion convex clip.
Like this, laterally mediate two flexure strips, can discharge locking convex clip.
Flexure strip be configured with multiple choices, can between flexure strip and main body, stage clip be set and realize elasticity, but the structure of optimizing should be:
Two flexure strip bottoms are connected with main body, the above part in bottom upwards freely stretches and forms a kind of jaw shaped of opening, two jaws separately and between main body, have a line of rabbet joint, main body extends upward and emergence goes out two jaws composition upper tops, also emergence is beyond locking bar locking cover for this upper top, and locking convex clip and anti-avulsion convex clip are all a kind of ratchets that are installed on jaw.
Two jaw lateral surface are a kind of inclined-plane or cambered surface, locking bar locking cover two sides correspondence is provided with two elasticity dropouts of two jaws compositions and pinches ear, two elasticity dropouts are pinched eardrum portion and are connected with main body, the above part in bottom upwards freely stretches and forms a kind of jaw shaped of opening, two jaws have the line of rabbet joint separately and between locking bar locking cover main body, pinch on ear, to have respectively emergence and select and oppress on the inclined-plane or cambered surface of two flexure strip jaws.
Like this, compression two is pinched ear, because the effect of inclined-plane or cambered surface, the slightly downward contraction in cross-direction shrinkage of two flexure strip jaws, like this, allows locking convex clip thread off more laborsaving.
Be plugged on the socket paragraph that mobile locking bar in locking bar locking cover and locking bar locking overlap or the top that is positioned at mobile locking bar, or be positioned at the upper and lower of mobile locking bar.
Further, can optimize as follows locking bar locking cover:
Locking bar locking cover comprises main body, main body has the cavity of an end opening, mobile locking bar is planted in this cavity from this opening, in this cavity, be provided with the socket paragraph of mobile locking bar corresponding part socket and anti-avulsion convex clip can be therein upper and lower free paragraph freely, this cavity lower end and the clamping plane that poling hole is passed through mutually and its bottom face is medical catheter.
Like this, under diastole state, the lock tab cutting ferrule on mobile locking bar is connected in this socket paragraph; Under clamped condition, lock convex clip or be also arranged in this socket paragraph, or through in this socket paragraph freedom of entry paragraph, now, locking convex clip can utilize the step of socket paragraph and free paragraph joint as locking the tactile position of cover card with locking bar.
In free paragraph, the cavity sidewalls corresponding with anti-avulsion convex clip preferably thoroughly worn and opened wide.
The other end of free paragraph preferably also has a socket paragraph, and poling hole is stretched into after entering this socket paragraph socket through upper socket paragraph, a free segment backwardness successively again in the bottom of mobile locking bar.
Like this, body cavity two all has socket paragraph, and the socket stability that is plugged on mobile locking bar in cavity and locking bar locking cover is better.
Clamping plane or a kind of plane of locking bar locking cover cavity bottom, or bottom a kind of and mobile locking bar, profile of tooth is corresponding and can intermeshing profile of tooth.
Locking bar locking puts poling axially bored line can be parallel with wide of locking cover, in leptoprosopy middle; Also can be vertical with wide of locking cover, in wide middle.
In sum, this utility model compared to existing technology tool has the following advantages: simple to operation, operating process can not produce negative pressure and without drawing medical catheter, can not produce the operating accident occurring because of drawing medical catheter.
Accompanying drawing explanation
Fig. 1 is a kind of transfusion system structure schematic diagram that is provided with flow-stopping clip in prior art.
Figure 2 shows that the structural representation axonometric chart of balloon malleation cutoff switch for the medical catheter described in embodiment mono-;
Fig. 3 is the mobile locking bar structural representation axonometric chart in balloon malleation cutoff switch for the medical catheter described in embodiment mono-;
Fig. 4 is the locking bar locking nested structure schematic isometric in balloon malleation cutoff switch for the medical catheter described in embodiment mono-;
Fig. 5 is the structural representation sectional block diagram of the locking bar locking cover in balloon malleation cutoff switch for the medical catheter described in this utility model embodiment mono-;
Figure 6 shows that the schematic diagram of balloon malleation cutoff switch under clamped condition of the medical catheter described in embodiment mono-;
Figure 7 shows that the schematic diagram of balloon malleation cutoff switch under diastole state of the medical catheter described in embodiment mono-;
Fig. 8 is the structure cross-sectional schematic of this paragraph medical catheter corresponding with clamping plane in balloon malleation cutoff switch for the medical catheter described in this utility model embodiment mono-;
Fig. 9 is the structure cross-sectional schematic of this paragraph medical catheter corresponding with clamping plane in balloon malleation cutoff switch for the medical catheter described in this utility model most preferred embodiment.
Label declaration:
1 mobile locking bar; 1.1 main body; 1.1.1 cascaded surface; 1.2 flexure strip; 1.2.1 lock plane; 1.2.2 lock convex clip; 1.2.3 jaw lateral surface; 1.2.4 anti-avulsion convex clip; 1.3 upper top 2 locking bar locking covers; 2.1 main body; 2.1.1 be socketed paragraph; 2.1.2 cavity; 2.1.3 free paragraph; 2.2 elasticity are threaded off and are pinched ear; 2.2.1 emergence point; 2.2.2 poling hole; 2.2.3 clamping plane; 3 medical catheters; 3.1 malleation sacculus; 3.2 elastic return parts; 3.3 resilient bladder.
The specific embodiment
Embodiment mono-:
With reference to Fig. 2, Fig. 6, Fig. 7 and Fig. 8, balloon malleation cutoff switch for medical catheter, comprise a kind of mobile locking bar 1 and a kind of locking bar locking cover 2, locking bar locking cover 2 bottoms are penetrated with a kind of for passing through the poling hole 2.2.2 of medical catheter, and medical catheter 3 has clamped condition and diastole state in the 2.2.2 of this poling hole.Mobile locking bar 1 is arranged at intervals with on longitudinally can flexible locking convex clip 1.2.2 and the anti-avulsion convex clip 1.2.4 of transverse elasticity, locking convex clip 1.2.2 and anti-avulsion convex clip 1.2.4 are a kind of non-return ratchet, mobile locking bar 1 is plugged on a longitudinal paragraph mobile locking bar 1 and 2 sockets of locking bar locking cover in locking bar locking cover 2 and wherein, poling hole 2.2.2 is stretched in its bottom, and at locking convex clip 1.2.2 and locking bar locking cover 2 cards when tactile, medical catheter 3 is clamped on the clamping plane 2.2.3 of 2.2.2 bottom side, poling hole, locking convex clip 1.2.2 and locking bar locking cover 2 depart from card and enter after touch above-mentioned socket paragraph 2.1.1, when limit state is arrived in mobile locking bar 1 diastole, anti-avulsion convex clip 1.2.4 and locking bar locking cover 2 touch.
With reference to Fig. 3, mobile locking bar 1 is comprised of flexure strip 1.2 and main body 1.1, and two flexure strips 1.2 are symmetrically distributed in main body 1.1 both sides and are connected with main body 1.1 elasticity.Two flexure strip 1.2 bottoms are connected with main body 1.1, the above part in bottom upwards freely stretches and forms a kind of jaw shaped of opening, two jaws have the line of rabbet joint separately and between main body 1.1, main body 1.1 extends upward and emergence goes out two jaws composition upper tops 1.3, also emergence is beyond locking bar locking cover 2 for this upper top 1.3, and locking convex clip 1.2.2 and anti-avulsion convex clip 1.2.4 are all a kind of ratchets that are installed on jaw.Like this, this two flexure strip 1.2 has horizontal flexible springing, and locking convex clip 1.2.2 and anti-avulsion convex clip 1.2.4 are longitudinally spaced apart successively along flexure strip, has two locking convex clip 1.2.2 and two anti-avulsion convex clip 1.2.4 and is symmetrically distributed in respectively on two flexure strips 1.2.Two jaw lateral surface 1.2.3 are a kind of oblique cambered surface.Mobile locking bar 1 bottom is a kind of cascaded surface 1.1.1, its concave rank are long and corresponding with resilient bladder 3.3, protruding rank are shorter and corresponding with the conduit on resilient bladder 3.3 limits, and the clamping plane of bottom side, poling hole is also a kind of cascaded surface, and this cascaded surface is corresponding with the cascaded surface of mobile locking bar bottom.The height of projection on relatively recessed rank, protruding rank is less than the step therein of 3 of resilient bladder 3.3 and medical catheters.First the bottom cascaded surface that has guaranteed like this mobile locking bar 1 that presses down is that recessed rank and resilient bladder 3.3 first touch.
With reference to Fig. 8, resilient bladder 3.3 is comprised of a kind of malleation sacculus 3.1 and a kind of elastic return part 3.2, malleation sacculus 3.1 is at a kind of columned ladder of a paragraph upper process of medical catheter 3, to form a kind of sacculus of column, and elastic return part 3.2 is coated and is fixed on the outer peripheral face of this malleation sacculus 3.1.Malleation sacculus 3.1 jointly forms the step therein to medical catheter together with elastic return part 3.2
With reference to Fig. 4, Fig. 5, locking bar locking cover comprises that main body 2.1 and elasticity are threaded off and pinches ear 2.2, main body 2.1 two sides correspondences are provided with two elasticity dropouts of two jaws compositions and pinch ear 2.2, two elasticity dropouts are pinched ear 2.2 bottoms and are connected with main body 2.1, the above part in bottom upwards freely stretches and forms a kind of jaw shaped of opening, two jaws have the line of rabbet joint separately and between main body 2.1, pinch on ear, to have respectively emergence and select 2.2.1 compressing in the oblique cambered surface of two flexure strip 1.2 jaws.Main body 2.1 has the cavity 2.1.2 of an end opening, mobile locking bar 1 is planted in this cavity 2.1.2 from this opening, in this cavity 2.1.2, be provided with the socket paragraph 2.1.1 of mobile locking bar 1 corresponding part socket and anti-avulsion convex clip 1.2.4 can be therein upper and lower free paragraph 2.1.3 freely, this cavity 2.1.2 lower end passes through mutually with poling hole 2.2.2 and its bottom face 2.2.3 is the clamping plane of medical catheter 3.The other end of free paragraph 2.1.3 also has a socket paragraph 2.1.1, and poling hole 2.2.2 is stretched into successively in the bottom of mobile locking bar 1 after entering this socket paragraph 2.1.1 socket after upper socket paragraph 2.1.1, a free paragraph 2.1.3 again.Like this, body cavity 2.1.2 two all has socket paragraph 2.1.1.Cavity sidewalls corresponding with anti-avulsion convex clip 1.2.4 in free paragraph 2.1.3 is thoroughly worn and opens wide.The clamping plane 2.2.3 of locking bar locking cover cavity bottom is the combination of a kind of plane and groove.It is parallel with wide of locking cover that locking bar locking puts poling hole 2.2.2 axis, in leptoprosopy middle.Like this, under diastole state, the locking convex clip 1.2.2 on mobile locking bar 1 or be socketed in this socket paragraph 2.1.1 or eject this socket paragraph 2.1.1; Under clamped condition, locking convex clip 1.2.2 is through in this socket paragraph 2.1.1 freedom of entry paragraph 2.1.3, and now, locking convex clip 1.2.2 utilizes the step of socket paragraph 2.1.1 and free paragraph 2.1.3 joint as the position tactile with locking bar locking cover 2 cards.
This flow-stopping clip operating instruction is as follows:
In clinical treatment, when needs end medical catheter 3 passage, only need singlehanded thumb and forefinger or middle finger to pinch respectively flow-stopping clip both ends of the surface, 2 bottom surfaces are overlapped in namely mobile locking bar upper top 1.3 and locking bar locking, pinch gently pressure, mobile locking bar 1 moves inward along locking cover cavity, because flexure strip on locking bar 1.2 has elasticity, be subject to the restriction of locking cover cavity wall, flexure strip 1.2 is drawn close toward interior side oscillation gradually, until lock convex clip 1.2.2 on flexure strip 1.2, get over locking and put socket paragraph 2.1.1, flexure strip 1.2 loses restriction, restore to the original state, the upper lock plane 1.2.1 of locking convex clip 1.2.2 props up at socket paragraph 2.1.1 lower edge face, in this process, first the recessed rank of mobile locking bar bottom arrive to resilient bladder, mobile locking bar continues to press down, extruding sacculus, make sacculus become flat, liquid in sacculus is extruded to sacculus simultaneously, after finishing in transfusion, transfusion device or syringe have been withdrawn from medical infusion joint, joint cuts out, in the sacculus being extruded, liquid cannot flow toward joint direction, can only toward human body direction, flow along conduit, so, produced one malleation liquid stream, drive out because withdrawing from transfusion device or syringe and cause the blood refluxing into human body end conduit, avoiding inlying catheter end stops up because of blood coagulation.Mobile locking bar continues to move down, and the conduit turn-offing between protruding rank and the protruding rank of clamping plane in poling hole in mobile locking bar bottom is extruded distortion, the mutual laminating tightly of conduit cavity wall, and liquid in conduit path is truncated, and has reached shutoff conduit object.This locking gripping features in clamping process without the press operation that transfinited, thereby decontrol after finger, can there are not medical catheter 3 resiliences and cause tube cavity negative pressure appearance, just body fluid suck-back in patient can not entered insert medical catheter end in patient yet, thereby avoided medical catheter obstruction, extended medical catheter indwelling time.
When needs are opened medical catheter passage again, only need fingers of single hand to pinch gently and press the dropout of locking bar locking cover two-side elastic to pinch ear 2.2, pinch flexure strip 1.2 on processus epioticus dew point 2.2.1 compressing mobile locking bar, flexure strip 1.2 is rocked to toward inner side and on flexure strip, locks convex clip 1.2.2 outer rim spacing and be less than socket paragraph 2.1.1 inner cavity size, mobile locking bar 1 departs from constrained, flexure strip 1.2 sides have longitudinal inclined-plane, in elasticity, thread off and pinch under the lasting compressing of ear 2.2, add under medical catheter 3 elastic return elastic force effects, mobile locking bar 1 ejects locking bar locking cover 2 outward along inclined-plane, medical catheter 3 clamps constraint release, recover bore passages.Owing to having anti-avulsion convex clip 1.2.4 on locking bar flexure strip 1.2, after mobile locking bar 1 ejects and threads off, flexure strip 1.2 recovers former states, is stopped at anti-avulsion convex clip 1.2.4, and mobile locking bar 1 is release lock rod lock cover cavity 2.1.2 completely not, is convenient to again clamp and operates.Due to elastic return part elastic return, drive the malleation sacculus being fixed together with it also to resile, meanwhile, the conduit cavity path of shutoff is opened, and can again by infusion connector, infuse.
It is same as the prior art that the present embodiment is not stated part.
Most preferred embodiment:
With reference to Fig. 9, balloon malleation cutoff switch for medical catheter.By highly elastic material, directly made a kind of resilient bladder 3.3 of column shape, then medical catheter 3 is fixed in respectively to resilient bladder 3.3 two ends.
It is identical with embodiment mono-that the present embodiment is not stated part.
Claims (14)
1. balloon malleation cutoff switch for medical catheter, comprise body and be arranged on body for by the poling hole of medical catheter, medical catheter has clamped condition and diastole state in this poling hole, it is characterized in that, also comprise a kind of mobile locking bar, body is a kind of locking bar locking cover, mobile locking bar is arranged at intervals with on longitudinally can flexible locking convex clip and the anti-avulsion convex clip of transverse elasticity, locking convex clip and anti-avulsion convex clip are a kind of non-return ratchet, mobile locking bar is plugged in locking bar locking cover cavity and a longitudinal paragraph mobile locking bar wherein and the socket of locking bar locking cover, poling hole is stretched in its bottom, and when locking convex clip and locking bar locking cover card is tactile, medical catheter is clamped on the clamping plane of bottom side, poling hole, this paragraph medical catheter that clamping plane is corresponding therewith or form or be coated with a kind of resilient bladder and form on medical catheter outer peripheral face by a kind of resilient bladder, locking convex clip and locking bar locking cover depart from card and enter after touch above-mentioned socket paragraph, when limit state is arrived in mobile locking bar diastole, anti-avulsion convex clip and locking bar locking cover touch.
2. balloon malleation cutoff switch for medical catheter according to claim 1, is characterized in that resilient bladder or a kind of elliposoidal, or a kind of cylindric shape.
3. balloon malleation cutoff switch for medical catheter according to claim 1, it is characterized in that, mobile locking bar bottom or be the slightly blunt profile of tooth in a kind of top, or be the consistent ladder profile of tooth of a kind of height, or be the ladder profile of tooth that a kind of height differs, addendum line intersects with poling axially bored line or is vertical.
4. balloon malleation cutoff switch for medical catheter according to claim 1, is characterized in that, mobile locking bar bottom is a kind of cascaded surface, and its concave rank are long and corresponding with resilient bladder, and protruding rank are shorter and corresponding with the medical catheter on resilient bladder limit.
5. balloon malleation cutoff switch for medical catheter according to claim 4, is characterized in that, the direction of relatively infusing, and protruding component level is in the place ahead on recessed rank.
6. balloon malleation cutoff switch for medical catheter according to claim 1, it is characterized in that, mobile locking bar bottom is a kind of cascaded surface, its concave rank are long and corresponding with resilient bladder, protruding rank are shorter and corresponding with the medical catheter on resilient bladder limit, the clamping plane of bottom side, poling hole is also a kind of cascaded surface, and this cascaded surface is corresponding with the cascaded surface of mobile locking bar bottom.
7. balloon malleation cutoff switch for medical catheter according to claim 6, it is characterized in that, the cascaded surface of mobile locking bar bottom cascaded surface and bottom side, poling hole, the height of projection on its relatively recessed rank, protruding rank is less than the step therein between resilient bladder and the adjacent medical catheter of its side.
8. balloon malleation cutoff switch for medical catheter according to claim 1, it is characterized in that, mobile locking bar is comprised of flexure strip and main body, two flexure strips are symmetrically distributed in main body both sides and are connected with main body elasticity, this two flexure strip has horizontal flexible springing, locking convex clip and anti-avulsion convex clip are longitudinally spaced apart successively along flexure strip, having two locking convex clips and two anti-avulsion convex clips is symmetrically distributed in respectively on two flexure strips, under clamped condition, two flexure strip bands are plugged in the cavity of locking bar locking cover with locking convex clip and anti-avulsion convex clip.
9. balloon malleation cutoff switch for medical catheter according to claim 8, it is characterized in that, two flexure strip bottoms are connected with main body, the above part in bottom upwards freely stretches and forms a kind of jaw shaped of opening, two jaws separately and between main body, have a line of rabbet joint, main body extends upward and emergence goes out two jaws composition upper tops, and also emergence is beyond locking bar locking cover for this upper top, and locking convex clip and anti-avulsion convex clip are all a kind of ratchets that are installed on jaw.
10. balloon malleation cutoff switch for medical catheter according to claim 9, it is characterized in that, two jaw lateral surface are a kind of inclined-plane or cambered surface, locking bar locking cover two sides correspondence is provided with two elasticity dropouts of two jaws compositions and pinches ear, two elasticity dropouts are pinched eardrum portion and are connected with main body, the above part in bottom upwards freely stretches and forms a kind of jaw shaped of opening, two jaws have the line of rabbet joint separately and between locking bar locking cover main body, pinch on ear, to have respectively emergence and select and oppress on the inclined-plane or cambered surface of two flexure strip jaws.
Balloon malleation cutoff switch for 11. medical catheters according to claim 1, it is characterized in that, locking bar locking cover comprises main body, main body has the cavity of an end opening, mobile locking bar is planted in this cavity from this opening, in this cavity, be provided with the socket paragraph of mobile locking bar corresponding part socket and anti-avulsion convex clip can be therein upper and lower free paragraph freely, this cavity lower end and the clamping plane that poling hole is passed through mutually and its bottom face is medical catheter.
Balloon malleation cutoff switch for 12. medical catheters according to claim 11, is characterized in that, in free paragraph, the cavity sidewalls corresponding with anti-avulsion convex clip preferably thoroughly worn and opened wide.
Balloon malleation cutoff switch for 13. medical catheters according to claim 11, it is characterized in that, the other end of free paragraph preferably also has a socket paragraph, and poling hole is stretched into after entering this socket paragraph socket through upper socket paragraph, a free segment backwardness successively again in the bottom of mobile locking bar.
Balloon malleation cutoff switch for 14. medical catheters according to claim 1, is characterized in that, locking bar locking puts poling axially bored line can be parallel with wide of locking cover, in leptoprosopy middle; Also can be vertical with wide of locking cover, in wide middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178420.4U CN203943955U (en) | 2014-04-14 | 2014-04-14 | Balloon malleation cutoff switch for medical catheter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178420.4U CN203943955U (en) | 2014-04-14 | 2014-04-14 | Balloon malleation cutoff switch for medical catheter |
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| Publication Number | Publication Date |
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| CN203943955U true CN203943955U (en) | 2014-11-19 |
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| CN201420178420.4U Expired - Lifetime CN203943955U (en) | 2014-04-14 | 2014-04-14 | Balloon malleation cutoff switch for medical catheter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015157888A1 (en) * | 2014-04-14 | 2015-10-22 | 福建省百仕韦医用高分子股份有限公司 | Balloon-type positive pressure cut-off switch for medical catheter |
| CN110559022A (en) * | 2019-04-30 | 2019-12-13 | 上海科赐医疗技术有限公司 | Medical asymmetric balloon catheter with manipulator |
-
2014
- 2014-04-14 CN CN201420178420.4U patent/CN203943955U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015157888A1 (en) * | 2014-04-14 | 2015-10-22 | 福建省百仕韦医用高分子股份有限公司 | Balloon-type positive pressure cut-off switch for medical catheter |
| CN110559022A (en) * | 2019-04-30 | 2019-12-13 | 上海科赐医疗技术有限公司 | Medical asymmetric balloon catheter with manipulator |
| CN110559022B (en) * | 2019-04-30 | 2023-11-24 | 上海科赐医疗技术有限公司 | Medical asymmetric balloon catheter with manipulator |
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