CN203263942U - Flow stopping clip device - Google Patents
Flow stopping clip device Download PDFInfo
- Publication number
- CN203263942U CN203263942U CN 201320190288 CN201320190288U CN203263942U CN 203263942 U CN203263942 U CN 203263942U CN 201320190288 CN201320190288 CN 201320190288 CN 201320190288 U CN201320190288 U CN 201320190288U CN 203263942 U CN203263942 U CN 203263942U
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- Prior art keywords
- self
- clip device
- stopping clip
- flow
- locking member
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- Expired - Fee Related
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Abstract
The utility model relates to external infusion instrument for a human body in clinical medical, discloses a switch which is arranged outside a tube and is used for carrying out cutoff on an infusion channel, and particularly relates to a flow stopping clip device. The flow stopping clip device is particularly applicable to an extension tube of an indwelling needle. The flow stopping clip device comprises a body, wherein a transverse channel is formed in the body, and an infusion hose can penetrate through the transverse channel. The flow stopping clip device is characterized by further comprising a button, a self-locking component, a pressing stopping part and compression springs A, the button, the self-locking component, the pressing stopping part and the compression springs A are installed on the body in sequence from top to bottom, cylindrical cams are arranged on the self-locking component, a plurality of sets of cylindrical cams are evenly distributed along the circumference of the self-locking component, the number of the sets of cylindrical cams is a complex number, cam surfaces are upward, pushing teeth which correspond to the cylindrical cams are evenly distributed along the circumference of the lower end face of the button, and the number of the pushing teeth is a complex number. The flow stopping clip device has the advantages that fingers do not need to separately press an infusion tube in the whole operation process, cutoff can be carried out conveniently and freely on an infusion tube cavity through downward pressing carried out on the button, negative pressure cannot be generated, the flow stopping clip device can firmly clamp the infusion tube, and cannot fall off, and the operation process is simple and convenient.
Description
Technical field
This utility model relates to the outer transfusion instrument of a kind of human body in clinical treatment, is used for the pipe external switch, particularly a kind of flow-stopping clip device of cut-off infusion channel, and it especially is fit to be applied on the extension tube of remaining needle.
Background technology
In prior art a kind of indwelling needle assembly as shown in Figure 1, the extension tube on it is socketed with the lamellar flow-stopping clip outward, has the wedge shape line of rabbet joint in the middle of flow-stopping clip, is convenient to extension tube and snaps in fluid stopping.Need two handss gently to pinch respectively flow-stopping clip both sides extension tube during use, then advance flow-stopping clip with thumb, extension tube is clamped fluid stopping.Pinch pressure because extension tube is subject to finger, liquid in pipe must be extruded intravasation, in a single day decontrols and point, and extension tube is by self elastic return shape, and luminal space increases and the generation negative pressure.If this flow-stopping clip is to be applied on remaining needle, this negative pressure must cause that in blood vessel, blood is entered in inlying catheter by suck-back, can cause the inlying catheter head to be blocked after solidifying, and can't infuse next time.And the lamellar flow-stopping clip due to not locked, when the sufferer position is improper, easily cause flow-stopping clip to skid off extension tube, thereby loses the clamping effect in keeping somewhere clamping process.
The utility model content
The purpose of this utility model is to overcome weak point of the prior art, and provides a kind of clamping operating process can not produce negative pressure, and is difficult for slippage after clamping and loses the flow-stopping clip device of clamping effect.
The purpose of this utility model realizes by following approach.
the flow-stopping clip device, comprise main body, be provided with the interconnection that a kind of infusion tube passes through on main body, it forms main points and is: also include the button that sequentially is arranged on from top to bottom in main body, self-locking member, press only part and Compress Spring A, be provided with a kind of cylindrical cam on self-locking member, the plural groups cylindrical cam is along the self-locking member circumference uniform distribution, cam surface up, button lower surface a plurality of promotion teeth corresponding with cylindrical cam that are uniformly distributed along the circumference, promote dedentition on cam surface, promoting tooth that side relative with the cam tooth top is that a kind of height is greater than the inclined-plane of cam height, self-locking member or with only press part Construction integration or minute body structure but be connected, Compress Spring A is arranged on to press and stops between part and main body inner bottom, simultaneously, the interconnection that infusion tube passes through also stops between part and main body inner bottom in pressure, be distributed with gathering sill between the two adjacent groups cylindrical cam, the main body internal perisporium is extended with the guiding rib corresponding with gathering sill downwards, under the free state that resets, position at the bottom of the cylindrical cam tooth is higher than the bottom of guiding rib, and the guiding rib is nested in gathering sill.
Pressing down of the button that is positioned through circumferencial direction, the promotion self-locking member comes downwards to cylindrical cam and pushes up the bottom of hanging down the guiding rib, the self-locking member that discharges is continued the promotion tooth effect that presses down at cam surface and is rotated, the guiding rib climb up cam surface at the bottom of the cam tooth with cam side peak face by tactile and locking, the promotion tooth under free state got over the cam tooth top and went forward side by side into next cam surface under the contacting of its inclined-plane and cam tooth top this moment, it is descending that the dynamic pressure of self-locking member band stops part, Compress Spring A is compressed, the interconnection constriction, the compressed cut-off of tube for transfusion.If need reset, push button, the promotion self-locking member comes downwards to cylindrical cam and pushes up the bottom of hanging down the guiding rib, the self-locking member that discharges is continued the promotion tooth effect that presses down at cam surface and is rotated, the guiding rib gets over cam side peak and falls into gathering sill, and the self-locking member of release moves under the effect of Compress Spring A and resets, and interconnection relaxes, tube for transfusion is according to self elastic return lumen shape, and transfusion is continued.
Above whole operating process need not finger and presses separately tube for transfusion, only presses on the lower button convenient to end transfusion lumen, not only can not produce negative pressure, and clamping firmly can not come off, and operating process is simple and convenient.
The purpose of this utility model can also realize by following approach.
Every group of cylindrical cam can be comprised of a cylindrical cam, but preferably is comprised of two cylindrical cam continuous distribution.
Be distributed with gathering sill on the circumferencial direction of button promotion flank, this gathering sill embedding contains the guiding rib.
Like this, no matter be at reset mode or at lockup state, the guiding rib is nested with this gathering sill all the time, and button is in circumferencial direction all the time by the state of locking.
Part divides body structure to self-locking member with only pressing, and a kind of Compress Spring B is arranged on self-locking member and presses only between part.
Like this, when self-locking member rotates, only pressing part generally not rotate not can be to the tube for transfusion friction that rotates, simultaneously, during reset operation, how compressed Compress Spring A is more relatively is Compress Spring B, like this, it is less that during reset operation, interconnection is continued the amount of constriction, thereby can allow smaller that interconnection under lockup state is designed to make, and makes the cut-off better effects if.
Guiding rib bottom is a kind of circular arc.
Compress Spring A has two, lays respectively at the both sides of interconnection.
A kind of triangle boss of main body inner bottom projection is also prominent protruding in interconnection.
This triangle boss can more effectively end tube for transfusion.
Main body is a kind of cylindrical shell, is formed by the docking of up and down two parts.
In sum, this utility model has following advantage compared to existing technology: whole operating process need not finger and presses separately tube for transfusion, only presses on the lower button convenient to end transfusion lumen, not only can not produce negative pressure, clamping firmly can not come off, and operating process is simple and convenient.
Description of drawings
Fig. 1 is a kind of indwelling needle assembly schematic diagram with the lamellar flow-stopping clip of the prior art;
Fig. 2 is the indwelling needle assembly schematic diagram with flow-stopping clip device described in the utility model;
Fig. 3 is a kind of structural representation axonometric chart of analysing and observe angle of the described flow-stopping clip device of this utility model most preferred embodiment under reset mode;
Fig. 4 is that the another kind of the described flow-stopping clip device of this utility model most preferred embodiment under reset mode analysed and observe the structural representation axonometric chart of angle;
Fig. 5 is the structural representation axonometric chart of the described flow-stopping clip device of this utility model most preferred embodiment under lockup state;
Fig. 6 is that the described flow-stopping clip device of this utility model most preferred embodiment ends the structural representation axonometric chart of tube for transfusion under lockup state.
Label declaration:
1 main body 11 guiding rib 12 triangle boss 13 switch cover 14 switch base 2 buttons 21 promote tooth 22 gathering sill 3 self-locking member 31 cylindrical cam 32 gathering sills 4 and press only part 5 Compress Spring A 6 Compress Spring B 7 interconnection 8 extension tubes
Below in conjunction with accompanying drawing, this utility model is carried out more detailed description.
The specific embodiment
Most preferred embodiment:
With reference to Fig. 2, flow-stopping clip application of installation described in the utility model is in indwelling needle assembly, and remaining needle extension tube 8 is passed the interconnection of flow-stopping clip device.
With reference to Fig. 3 and Fig. 4, the flow-stopping clip device comprises main body 1, and main body 1 is a kind of cylindrical shell, is docked with switch base 14 two parts of lower part by the switch cover 13 of upper part to form, and is provided with the interconnection 7 that a kind of infusion tube passes through on main body 1 intracavity bottom.Also include the button 2, self-locking member 3, Compress Spring B6, the pressure that sequentially are arranged on from top to bottom in main body 1 and stop part 4 and Compress Spring A5.be provided with a kind of cylindrical cam 31 on self-locking member 3, plural groups cylindrical cam 31 is along self-locking member 3 circumference uniform distributions, cam surface up, button 2 lower surfaces a plurality of promotion teeth 21 corresponding with cylindrical cam that are uniformly distributed along the circumference, promoting tooth 21 drops on cam surface, promoting tooth 21 that side relative with the cam tooth top is that a kind of height is greater than the inclined-plane of cam height, self-locking member 3 stops 4 minutes body structures of part with pressure, Compress Spring B6 is arranged on self-locking member 3 and presses only between part 4, Compress Spring A5 is arranged on to press and stops between part 4 and main body 1 inner bottom, simultaneously, the interconnection 7 that infusion tube passes through also stops between part 4 and main body 1 inner bottom in pressure, Compress Spring A has two, lay respectively at the both sides of interconnection 7.Be distributed with gathering sill 32 between two adjacent groups cylindrical cam 31, main body 1 internal perisporium is extended with the guiding rib 11 corresponding with gathering sill 32 downwards, under the free state that resets, the position at the bottom of cylindrical cam 31 teeth is higher than the bottom of guiding rib 11, and guiding rib 11 is nested in gathering sill 32.Every group of cylindrical cam is comprised of two cylindrical cam continuous distribution.Be distributed with gathering sill 22 on the circumferencial direction of button promotion tooth 21 sides, these gathering sill 22 embeddings contain guiding rib 11.Guiding rib 11 bottoms are a kind of circular arc.
Under Fig. 3, state shown in Figure 4, only pressing, part 4 is to be in releasing orientation.on button 2, three gathering sills 22 are along entering guiding rib 11 on switch cover 13, button 2 is pressed slide mass and is passed switch cover lid edge interstitial hole, button 2 can slide at the interior easy on and off of switch cover 13, on self-locking member 3, three gathering sills 32 are also along entering guiding rib 11 on switch cover 13, self-locking member 3 upper end guide cylinder are inserted in the guiding cavity of button 2 inner cores, on it, cylindrical cam face highest point offsets with button promotion tooth 21 tooth tops respectively, press and stop in the cavity that leads on part 4 upper end guide cylinder insertion self-locking members 3, only press that between part 4 and self-locking member 3, Compress Spring is in free extended configuration, part 4 lower compression springs also are in the extended configuration that resets and only press.Under above-mentioned two spring actions, button 2, self-locking member 3 move on switch cover 13 inner rips, press and stop part 4 also along with moving on self-locking member 3 away from the switch base bottom.
press the button in use 2, button 2 rib 11 that leads on switch cover 13 moves down, and on self-locking member 3, three gathering sills 32 yet are stuck in guiding rib 11 on switch cover 13, therefore, self-locking member 3 also on switch cover 13 guiding rib 11 move down, part 4 moves down thereby drive self-locking member 3 lower compression spring B 6 and only press, only pressing part 4 to move down with extension tube 8 contacts, self-locking member 3 continues to move down, Compress Spring B6 is compressed, Compress Spring B6 elastic force promotes to press only part 4 compressing extension tubes 8, extension tube 8 is subject to pressing stopping and compresses triangle boss 12 extruding jointly on part 4 and switch base 14, it is flat that tube chamber becomes, liquid in pipe is pressed against the catheter block direction, thereby reached and driven refluence liquid purpose in conduit, being solidified blood so as not to conduit tube component conduit in the indwelling process blocks, and can't again infuse.when self-locking member 3 is continued to promote to move down by button 2, cylindrical cam 31 tooth tops on it are in case surpass switch cover guiding rib 11 end points, self-locking member 3 gathering sills 32 are also deviate from switch cover guiding rib 11, circumferencial direction has not had constraint, under its lower compression spring upsprings the power effect, on self-locking member, cylindrical cam 31 slides along with promoting tooth 21 tooth tops on button, and cylindrical cam 31 is inclined-plane structures, making self-locking member 3 move down while sliding rotates, cylindrical cam 31 first tooth top circumferencial directions are crossed switch cover guiding rib 11 end points, under Compress Spring upsprings the power effect, switch cover leads rib 11 end points rapidly and the cylindrical cam face offsets, on self-locking member 3, the cylindrical cam face pursues along with guiding rib end points slides, until cylindrical cam the second tooth top side is pushed up in guiding rib 11 sides, self-locking member 3 stops operating and is lockable.At this moment extension tube 8 only is subject to pressing and compresses triangle boss 12 on part 4 and switch base 14 jointly to be urged to lumen wall seamless, and extension tube 8 is cut off.This lockup state as shown in Figure 5 and Figure 6.
when again infusing, again press shift knob 2, promoting tooth 21 on button is against on the cylindrical cam face, promote self-locking member 3, self-locking member 3 is subject to switch cover 13 guiding rib 11 constraints, first can only move down, in case cylindrical cam 31 second tooth tops surpass guiding rib 11 end points, self-locking member 3 circumferencial direction constraint releases, under the effect of cylindrical cam face, move on slide and rotate, when self-locking member 3 goes on it another cam flank and offsets with guiding rib 11 sides, self-locking member 3 splines, under the Compress Spring effect, on self-locking member 3, gathering sill 32 is again along entering to lead rib 11, move on self-locking member 3 is rapid, press below it and stop part 4 under Compress Spring A5 and extension tube 8 elastic properties of materials effects, also move on rapidly and reset, break away from extension tube 8, extension tube 8 is by self elastic properties of materials recovery lumen shape, infusion pipeline recovers to be communicated with.
It is same as the prior art that the present embodiment is not stated part.
Claims (8)
1. flow-stopping clip device, comprise main body, be provided with the interconnection that a kind of infusion tube passes through on main body, it is characterized in that, also include the button that sequentially is arranged on from top to bottom in main body, self-locking member, press only part and Compress Spring A, be provided with a kind of cylindrical cam on self-locking member, the plural groups cylindrical cam is along the self-locking member circumference uniform distribution, cam surface up, button lower surface a plurality of promotion teeth corresponding with cylindrical cam that are uniformly distributed along the circumference, promote dedentition on cam surface, promoting tooth that side relative with the cam tooth top is that a kind of height is greater than the inclined-plane of cam height, self-locking member or with only press part Construction integration or minute body structure but be connected, Compress Spring A is arranged on to press and stops between part and main body inner bottom, simultaneously, the interconnection that infusion tube passes through also stops between part and main body inner bottom in pressure, be distributed with gathering sill between the two adjacent groups cylindrical cam, the main body internal perisporium is extended with the guiding rib corresponding with gathering sill downwards, under the free state that resets, position at the bottom of the cylindrical cam tooth is higher than the bottom of guiding rib, and the guiding rib is nested in gathering sill.
2. flow-stopping clip device according to claim 1, is characterized in that, every group of cylindrical cam or formed by a cylindrical cam, or formed by two cylindrical cam continuous distribution.
3. flow-stopping clip device according to claim 1, is characterized in that, is distributed with gathering sill on the circumferencial direction of button promotion flank, and this gathering sill embedding contains the guiding rib.
4. flow-stopping clip device according to claim 1, is characterized in that, part divides body structure to self-locking member with only pressing, and a kind of Compress Spring B is arranged on self-locking member and presses only between part.
5. flow-stopping clip device according to claim 1, is characterized in that, guiding rib bottom is a kind of circular arc.
6. flow-stopping clip device according to claim 1, is characterized in that, Compress Spring A has two, lays respectively at the both sides of interconnection.
7. flow-stopping clip device according to claim 1, is characterized in that, a kind of triangle boss of main body inner bottom projection is also prominent protruding in interconnection.
8. flow-stopping clip device according to claim 1, is characterized in that, main body is a kind of cylindrical shell, formed by top switch-dividing lid and the docking of bottom switch-dividing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320190288 CN203263942U (en) | 2013-04-16 | 2013-04-16 | Flow stopping clip device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320190288 CN203263942U (en) | 2013-04-16 | 2013-04-16 | Flow stopping clip device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203263942U true CN203263942U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320190288 Expired - Fee Related CN203263942U (en) | 2013-04-16 | 2013-04-16 | Flow stopping clip device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203263942U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014169428A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Flow-stopping clamp apparatus |
| CN109368022A (en) * | 2018-10-31 | 2019-02-22 | 格力电器（杭州）有限公司 | A kind of locking device and binding band |
| CN110215941A (en) * | 2019-07-05 | 2019-09-10 | 中南大学湘雅医院 | Microwell plate is loaded indicating unit and microwell plate is loaded auxiliary device |
| CN113146122A (en) * | 2021-02-25 | 2021-07-23 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Automatic telescopic locking pressing head for welding fixture |
-
2013
- 2013-04-16 CN CN 201320190288 patent/CN203263942U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014169428A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Flow-stopping clamp apparatus |
| CN105209109A (en) * | 2013-04-16 | 2015-12-30 | 福建省百仕韦医用高分子股份有限公司 | Flow-stopping clamp apparatus |
| CN105209109B (en) * | 2013-04-16 | 2017-10-17 | 福建省百仕韦医用高分子股份有限公司 | Fluid stopping clamp device |
| CN109368022A (en) * | 2018-10-31 | 2019-02-22 | 格力电器（杭州）有限公司 | A kind of locking device and binding band |
| CN110215941A (en) * | 2019-07-05 | 2019-09-10 | 中南大学湘雅医院 | Microwell plate is loaded indicating unit and microwell plate is loaded auxiliary device |
| CN113146122A (en) * | 2021-02-25 | 2021-07-23 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Automatic telescopic locking pressing head for welding fixture |
| CN113146122B (en) * | 2021-02-25 | 2022-11-04 | 上海凌云工业科技有限公司凌云汽车技术分公司 | Automatic telescopic locking pressing head for welding fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |