CN102824688A - Dividing cut-off clip for safety vein puncture needle - Google Patents
Dividing cut-off clip for safety vein puncture needle Download PDFInfo
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- CN102824688A CN102824688A CN 201210338531 CN201210338531A CN102824688A CN 102824688 A CN102824688 A CN 102824688A CN 201210338531 CN201210338531 CN 201210338531 CN 201210338531 A CN201210338531 A CN 201210338531A CN 102824688 A CN102824688 A CN 102824688A
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Abstract
The invention discloses a dividing cut-off clip for a safety vein puncture needle. The dividing cut-off clip consists of a button, blades, a barrel and a base. The blades are respectively spliced at both sides of a pressing plate at the lower end of the button, and then, are inserted into the barrel, so that ring teeth and limit teeth of the barrel are interlocked; the base is buckled with a slot at the lower end of the barrel in the direction of the long axis of an arc-shaped groove, and transversal bulges at both sides of a surface bulge of the base are mutually jogged with grooves. The windowing lacings of an infusion hose and a dividing tube are buckled between the slot at the lower end of the barrel and the arc-shaped groove of the base in position. The button is rotated for 90 degrees and is pressed, so that the pressing plate is moved downwards, and the cutting edges of the blades interact with a bulge platform of the base to cut off the dividing tube; the infusion hose is constricted to be closed by the arc-shaped groove on the bottom face of the pressing plate and the arc-shaped groove of the base. Under the action of an external spring force, the vein puncture needle is rapidly separated from a blood vessel and is retracted into a protective casing to be shielded and protected. According to the dividing cut-off clip disclosed by the invention, the vein puncture needle can be protected and the infusion hose can be cut off with single hand by one-time action. The dividing cut-off clip has a safety insurance structure and has the characteristics that simplicity, practicability, safety and reliability are high, the efficiency is improved and ailments are relieved.
Description
(1) technical field
The present invention relates to a kind of medical apparatus and instruments, a kind of specifically being used for carried out pressing from both sides from disconnected ending of integrated protection process to safety vein puncture needle.
(2) background technology
Material is gathered in to vein blood vessel, analytical control to be to understand Human Physiology or pathological state; Or medicinal liquid is infused into vein blood vessel and reaches whole body; Performance, compensation, substitute and the process of the check of therapeutical effect and treatment in; All need the damage that has of venipuncture needle human vein blood vessel to get involved, set up and externally realize above-mentioned behavior to endovascular occasional passage.
At present; The various venipuncture needles (transfusion needle, blood transfusion needle, blood taking needle, living tissue examination by centesis pin, remaining needle etc.) that use both at home and abroad can both satisfy above-mentioned requirements; But also all exist wretched insufficiency and defective: after use, the venipuncture needle needle point is exposed outside, the needle point of contact patient blood; Regular meeting causes needle stick injury to medical personnel and waste treatment personnel, causes the infection and the propagation of blood borne disease.In addition, after extracting venipuncture needle, needle point not only exposes, and, still can constantly leak owing to remain in the ducted medicinal liquid of transfusion device, blood, body fluid etc., drop onto in the environment, cause pollution or infection equally to environment and other crowds.Cause the propagation of blood borne disease or other diseases.
In the venipuncture utensil; The engineers and technicians of home and abroad have done a large amount of work; The safe intravenous infusion needle of various ways has been researched and developed in design, is mostly to utilize machinery (spring) power or manual method that transfusion needle needle body (containing needle point) pull retraction is got into the technical scheme in the protective casing; Also can only realize protection and shielding to needle point, prevent the generation of needle stick injury, but all can not effectively transfusion (blood) pipeline effectively be ended, the excessive and trickling of anti-hemostasis (body, medicine) liquid reduces pollution and infection to environment and human body.
At present in the world, still have no technical scheme, can satisfy the demand of above-mentioned environment simultaneously, promptly will satisfy the requirement that prevents needle stick injury, will prevent the requirement of interior residual liquor of pipeline or the excessive trickling of body fluid simultaneously venipuncture needle.
Clinical press for a kind of above-mentioned in infusion medicinal liquid, blood transfusion, blood sampling, collection of body fluids process, can shield, effectively avoid needle stick injury to puncture needle; Simultaneously can be automatically to the above pipeline cut-off of venipuncture needle end, prevent pipeline inner blood, body fluid, medicinal liquid residual fraction excessive trickling, can eliminate the safe and reliable venipuncture needle utensil of blood borne disease infection risk.Just at present; Still do not have both at home and abroad can in same action, to realize to the release of intravenous needle protective casing, end and have security insurance infusion tube is closed again, prevent that the technical scheme of false triggering is disclosed with the technical scheme of simple economy, practical safety.
(3) summary of the invention
The present invention is directed against above-mentioned vein exactly, organizes chamber to puncture, and realizes the deficiency that exists in the protection scheme of safe vein pin required in transfusion, blood transfusion, the collect specimen process and the solution that proposes.Have safe, reliable, easy, practical, inexpensive, can simplify the clinical manipulation program, increase work efficiency, eliminate needle stick injury, prevent blood, the characteristics of the excessive trickling of body fluid; Specifically; It is a kind of can be when definitely needing to start security feature; Open insurance when just can push button, discharging intravenous needle protective casing shielding venipuncture needle, again with infusion tube by closed, and the safety venipuncture needle with safety structure with from disconnected by folder.
The present invention realizes through following scheme: safety vein puncture needle is made up of button, blade, cylindrical shell, base with from the disconnected folder that ends; It is characterized in that: button is the cylinder of a class T type, and its upper end is a plane, and its circumferential edges has several half-circle projection, and there is an arrow on the surface; Blade cements in the groove of lower end sidewall of button; Crack the counterparty to button is inserted cylindrical shell with arrow and cylindrical shell upper end then; Make the mutual locking of limiting tooth of annular tooth and cylindrical shell; To fastening, the slot transverse concave groove of lower end sidewall of the transverse projections that makes fan-shaped projection both sides, base both sides and cylindrical shell lower end is chimeric each other with round platform arc groove major axis and cylindrical shell lower end fluting counterparty for base.So, can and be sleeved on the pipe that breaks leaving of its appearance with infusion tube and all be clamped in above-mentioned center by folder.More than form safety vein puncture needle of the present invention with leaving the disconnected complete structure that ends folder, the disconnected folder that ends that leaves of this moment is in the insurance closed condition.
The epimere at the middle part of button has an annular tooth, the internal diameter of the maximum gauge≤cylindrical shell of its crown; Above annular tooth, with keytop arrow counterparty to, cross axis have two symmetric by teeth groove, the internal diameters of its crown maximum gauge≤cylindrical shell; Annular tooth and by the dedendum flank of tooth all be inclined upwardly, addendum flank is the plane.Hypomere at button has a circular flat, the internal diameter of the external diameter≤cylindrical shell on this plane; This plane with by the relative 90 ° direction of tooth, bilateral is cut by symmetry vertically, the minimum spacing of the width on the plane after the cutting≤cylindrical shell upper end limiting tooth; Button with above-mentioned be cut the plane below a rectangle pressing plate is arranged, the curved groove in bottom surface, middle part of this pressing plate, the diameter of this groove equals the external diameter of infusion tube; Sidewall at arc groove has symmetrical a pair of longitudinal groove, is inlaid with blade in the groove, and the cutting edge of blade is parallel with axis vertically downward; The outer rim distance of two blades>=from disconnected external diameter of managing; The diameter of the inner edge distance>=infusion tube of two blades.The wall thickness that the edge width of blade >=leaving breaks manages (>=from disconnected width of managing the faciola of windowing).
Cylindrical shell is a circular tube structure, and its upper semisection has symmetric cracking of crossing the centre line, and with the vertical upper limb inwall that cracks, two symmetric limiting tooths is arranged, and its addendum flank is downward-sloping, the dedendum flank level; The root diameter by tooth and annular tooth of the distance >=button of two spacing crowns; Width after the plane of the distance of two spacing crowns >=button hypomere is cut.With the limiting tooth counterparty to cylindrical shell hypomere barrel, the symmetric perforation fluting of having crossed the centre line, this fluting top be semicircle, its diameter slightly≤from disconnected external diameter of managing, but>=external diameter of infusion tube; Side wall lower ends at fluting has symmetric horizontal channel.
Base is a disc structure, and its periphery has several half-circle projection, and there is round table-like projection on its surface, at the middle part of round platform projection, the arc groove of axis is arranged, its diameter >=infusion tube diameter.Downward square depression is arranged, its bottom curved projection that makes progress, the length of side of end clamp plate under the length of side summary >=button of this groove at the middle part of arc groove; The arc groove diameter of end clamp plate bottom surface coupling under the diameter of arc-shaped protrusions and the button in this groove; Make the button pressing plate can get in the square groove of base round platform projection central authorities; Respectively have at the two ends of base round platform arc groove one be lower than pylon fan-shaped projection, the two side spacing of fan-shaped projection equals the width of cylindrical shell hypomere fluting; And respectively there is a transverse projections lower end, two side in fan-shaped projection.
Because the arrow of button is with consistent by the tooth direction; And the position of cracking, the upper end that is in cylindrical shell; The limiting tooth with the cylindrical shell upper end does not contact, and makes at any time, and button is exerted pressure; All can't the limiting tooth by tooth and cylindrical shell of button be formed locking, promptly can not be with infusion tube by closed; Equally and since under the button end clamp plate with the long axis direction of its narrow narrow part corresponding to infusion tube, and the diameter of the thickness≤infusion tube of pressing plate; Inevitable≤from disconnected internal diameter of managing, so this moment, no matter how pressing plate moved down; Can not form die-cutly to the faciola of windowing,, cause moving of protective casing and ending of infusion tube so can not cause safety vein puncture needle of the present invention with from disconnected erroneous trigger by folder from disconnected pipe; At this moment, be in the insurance closed condition from disconnected by folder; Make the present invention have the safety structure and the effect of the false triggering of preventing.
(3) description of drawings
Fig. 1 is that safety vein puncture needle of the present invention is with end the overall structure decomposing schematic representation of folder from breaking;
Fig. 2 is a safety vein puncture needle of the present invention with the structural representation after inlaying or be bonding from disconnected button and blade by folder;
Fig. 3 is that safety vein puncture needle of the present invention is with end being installed in the venous transfusion flexible pipe and managing the integrality sketch map of appearance from breaking of folder from breaking;
Fig. 4 is that safety vein puncture needle of the present invention presss from both sides during normal use with ending from breaking, and is in the cutaway view along infusion tube major axis transverse section under the insurance closed condition;
Fig. 5 is that safety vein puncture needle of the present invention is prepared to implement when operating, to reach the cutaway view from disconnected pipe range axle transverse section along infusion tube with ending from breaking to be clipped in;
Fig. 6 be safety vein puncture needle of the present invention with from disconnected after being clipped in pressing operation, be cut from having no progeny along infusion tube by the longitudinal sectional view of cut-off state fully from disconnected pipe;
Fig. 7 is that safety vein puncture needle of the present invention is cut from having no progeny along infusion tube major axis reach sketch map with leaving disconnected after being clipped in pressing operation, from breaking, the pipe;
(4) specific embodiment
Fig. 1 is that safety vein puncture needle of the present invention is with end the overall structure decomposing schematic representation of folder from breaking; Fig. 2 is a safety vein puncture needle of the present invention with the structural representation after inlaying or be bonding from disconnected button and blade by folder; Can know that by Fig. 1 this is to be made up of jointly button 1, blade 1G, cylindrical shell 2, base 3 by folder.Referring to Fig. 1 and Fig. 2, button is the cylinder of a class T type, and its upper end is a plane, and its circumferential edges has several half-circle projection, is convenient to rotation and controls; Last transverse plane has an arrow 1A; The middle part epimere of button 1 has an annular tooth 1B, the internal diameter of the maximum gauge≤cylindrical shell 2 of its crown; Above annular tooth 1B, crossing axis has two symmetric tooth 1C (see figure 2), internal diameters of its crown maximum gauge≤cylindrical shell 2 of ending; Annular tooth and by the dedendum flank of tooth all be inclined upwardly, addendum flank is the plane; Hypomere at button 1 has a circular flat 1D, the internal diameter of this planar external diameter≤cylindrical shell 2; This plane is differing 90 ° direction with arrow 1A, and bilateral is cut by symmetry vertically, and plane 1D is cut the minimum spacing of width≤cylindrical shell 2 upper end limiting tooth 2B at place; Button 1 with above-mentioned be cut plane 1D below a square pressing plate 1E is arranged, the curved groove 1F in middle part, the bottom surface of this pressing plate, the external diameter of diameter>=infusion tube of this groove 1F; Respectively there is a longitudinal groove 1H two side of pressing plate 1E, the width of groove 1H and the degree of depth and blade 1G coupling; Blade 1G installs and cements in the groove 1H, and blade cutting edge and parallel axes are downward.The diameter of the spacing＞infusion tube of two blade 1G inner edges; The spacing of two blade 1G outer rims >=from disconnected external diameter of managing; The wall thickness that the edge width of blade 1G＞leaving breaks manages (>=from disconnected width of managing the faciola of windowing); The knife edge plane of blade 1G is a little less than the height of button pressing plate 1E.
Fig. 3 is that safety vein puncture needle of the present invention is installed in infusion tube and manages the overall structure sketch map of appearance from breaking with end folder from breaking; Wherein 2. 3-is to the 1. middle infusion tube of 3-and from disconnected structural representation of managing; Can know that by Fig. 3 button 1 inserts cylindrical shell 2 with its arrow and the cylindrical shell 2 upper ends corresponding direction of 2A of cracking, and makes annular tooth 1B get under the limiting tooth 2B locking each other; Base 3 is with its arc groove 3A long axis direction and the corresponding fastening of cylindrical shell 2 lower ends fluting 2C direction; And make the transverse concave groove 2D of transverse projections 3D and cylindrical shell lower end fluting 2C lower end sidewall of base 3 protrusion of surface 3C both sides chimeric each other; So can infusion tube 4 and the faciola 5E position of windowing of managing 5 from breaking be fastened among the lower end fluting 2C that is installed on cylindrical shell 2.Be contained in the appearance of infusion tube from disconnected pipe box, window up and down from the middle part of disconnected pipe, with about two faciolas will be from the connections of the two ends of disconnected pipe; (far-end of infusion tube is connected, leaves the near-end and the infusion tube secure bond of disconnected pipe with venipuncture needle, its far-end is connected with venipuncture needle protective canula, and the compression spring action is arranged between venipuncture needle stand and the protective casing; Not shown);
Fig. 4 is that safety vein puncture needle of the present invention presss from both sides during normal use with ending from breaking, and is in the cutaway view along infusion tube major axis transverse section under the insurance closed condition; Simultaneously with reference to figure 1, Fig. 2 and Fig. 3; Because the arrow 1A of button 1 is with consistent by teeth groove 1C direction; And the 2A position of cracking, the upper end that is in cylindrical shell 2 can not contact with the limiting tooth 2B of cylindrical shell 2 upper ends, makes button 1 is exerted pressure; All can't the limiting tooth 2B by teeth groove 1C and cylindrical shell 2 of button be formed locking, promptly can not be with infusion tube 4 by closed; Equally, because the following end clamp plate 1E of button 1 is with the long axis direction of its narrow narrow part corresponding to infusion tube 4, and the diameter of thickness≤infusion tube 4 of pressing plate 1E; Inevitable≤as to leave the internal diameter of disconnected pipe 5, so this moment, no matter how pressing plate 1E moved down; And the sharp side of blade is lower than the pressing plate height; Event can not form die cut to the faciola 5E that windows from disconnected pipe 5, so the triggering that can not make the mistake, the ending that causes leaving disconnected pipe from disconnected and infusion tube; Safety effect with the false triggering of preventing.
Fig. 5 is that safety vein puncture needle of the present invention is used from breaking by being clipped in preparation enforcement cutaway view along infusion tube major axis transverse section when operating; Referring to Fig. 4, Fig. 5, after transfusion is accomplished, must button 1 be revolved and turn 90 degrees, (can feel the microspike on button teeth surface and the intermeshing location of the small depression of cylindrical shell teeth bottom surface feel).The arc groove 1F of end clamp plate is corresponding with the arc groove 3A of base projection under the button, and infusion tube 4 is clamped in wherein; The limiting tooth 2B of inwall on tooth 1C and cylindrical shell of button epimere is corresponding each other; Be positioned in from the faciola 5E that windows of disconnected pipe 5 base 3 raised platform 3B and pressing plate sidewall blade 1G between.
Fig. 6 is a safety vein puncture needle of the present invention with from disconnectedly executing behind pressing operation by being clipped in, being cut from having no progeny along infusion tube by the longitudinal sectional view of cut-off state fully from disconnected pipe 5; Can know by figure, will from disconnected by the folder button revolving turn 90 degrees after, button is firmly pressed down, will inevitably make below the limiting tooth 2B of the upper end inwall of tooth 1C entering cylindrical shell 2, form mutual locking; Simultaneously, pressing plate 1E moves down, and the blade 1G that drives both sides moves down, and the faciola 5E that windows from disconnected pipe 5 is continued to cut, and the blade keen edge can see through and cutly embed in the outstanding cylindrical protrusion plane 3B of base 3 from disconnected pipe sidewall; Simultaneously, the corresponding constriction of arc groove 3A of the arc groove 1F of pressing plate 1E lower end and base 3 can stop flowing of liquid with infusion tube 4 by closed.
Fig. 7 is that safety vein puncture needle of the present invention is used from breaking after being clipped in pressing operation, being cut the sketch map that moves forward along the infusion tube major axis from having no progeny from the faciola 5E that windows of the pipe 5 that breaks; Can know by Fig. 5, Fig. 6; When transfusion was accomplished, pressing keys made in the time of the mutual locking of the limiting tooth 2B of the upper end inwall of tooth 1C and cylindrical shell 2, and blade 1G moves down; Under the supporting role of base 3 cylindrical protrusion platform 3B; Can the faciola 5E that windows from disconnected pipe be reached from disconnected through cutting, (carry out in bonding, an other end and protective casing bonding, the protective casing and the spring of compression is arranged between the venipuncture needle from an end and the infusion tube 4 of disconnected pipe 5, in case break away from each other with the agglutinating end of infusion tube from disconnected pipe---promptly left and broken from disconnected pipe; Then act on the compression spring of vein needle stand and protective casing diameter; Will discharge at once, under acting force of the spring, rapidly with venipuncture needle by pulling out in the vein blood vessel; Venipuncture needle gets into protective casing conductively-closed protection.Do not indicate among the figure); Simultaneously, pressing plate 1E moves down, and makes the corresponding constriction of arc groove 3A of arc groove 1F with the base 3 of pressing plate lower end, can stop flowing of liquid with infusion tube 4 by closed.Simultaneously,, when medical personnel remove the venous transfusion puncture needle, can remove the venous transfusion needle handle that does not contain needle point rapidly, can reduce less patient suffering, increase work efficiency because venipuncture needle is pulled out from vein blood vessel rapidly automatically.
Because the present invention has adopted the structure that in cylindrical shell, with button pressing plate sidewall installation blade and base groove sidewall raised platform structural interaction, formation the faciola of windowing from disconnected pipe is cut, can be with the faciola of windowing that leaves the pipe that breaks by the definite dialysis that cuts; Have and trigger definitely, cut reliable characteristics; Also make the present invention simple in structure, easy to manufacture, automaticity is high, can significantly reduce production costs, and is easy to suitability for industrialized production.
Because the present invention has adopted in cylindrical shell and the mode of button with the mutual locking of teeth, can be held pushing by action, make the pressing plate arcuate groove of button lower end and base arcuate groove mutual, realization is to the stopping of infusion tube;
Because the present invention has adopted the teeth of button and the mounting means of cylindrical shell teeth dislocation 90 degree, makes the present invention do not pushed unexpectedly and causes false triggering.Has the safety structure that prevents erroneous trigger reliably.
Because above structure, make the present invention realize can a step (action) realizing above-mentioned functions to the security protection of venipuncture needle on, have simple in structurely, simple to operation, action is definite, and is safe and effective, the insurance reliable characteristics; And have the nurse of minimizing work, eliminate patient and pulling out the painful and uncomfortable of venipuncture needle process.
Technical scheme described in the invention, those skilled in the art through distortion any similar distortion that can realize, all will fall into technological category of the present invention.
Industrial applicability
Safety vein puncture needle of the present invention can be applicable to disposable use (hose type) blood taking needle, disposable use venoclysis needle, disposable use venous detaining needle with from the disconnected folder that ends; Because of it has simple and reliable structure, make and can realize an action: pull out puncture needle automatically, automatically retraction shielding puncture needle, automatic cut-off infusion tube; Have simple for structure, safe and reliable, simple and practical, inexpensive; The work efficiency, the elimination needle stick injury risk that can simplify the clinical manipulation program, improve production efficient and provide clinical treatment to nurse greatly alleviate less patient suffering; Can be used for the collection to venous blood, the puncture and the protection process of venous transfusion.
Claims (4)
1. safety vein puncture needle is made up of button (1), blade (1G), cylindrical shell (2), base (3) with from the disconnected folder that ends; It is characterized in that: button (1) is the cylinder of a class T type, and its upper end is a plane, and its circumferential edges has several half-circle projection, and there is an arrow (1A) on the surface; Blade (1G) cements in the groove (1H) of lower end sidewall of button; Crack the counterparty to button (1) is inserted cylindrical shell (2) with arrow (1A) and cylindrical shell upper end then; Make annular tooth (1B) and the mutual locking of the limiting tooth (2B) of cylindrical shell; Base (3) is slotted (2C) counterparty to fastening with round platform arc groove (3A) major axis and cylindrical shell (2) lower end, makes the transverse projections (3D) of both sides, base both sides fan-shaped projection (3C) chimeric each other with the transverse concave groove (2D) of fluting (2C) lower end, cylindrical shell lower end sidewall.
2. press from both sides with ending according to the said safety vein puncture needle of claim 1, it is characterized in that: at the middle part epimere of button (1), an annular tooth (1B) is arranged, the internal diameter of the maximum gauge≤cylindrical shell of its crown (2) from breaking; The corresponding direction of arrow (1A) with button (1); Top at annular tooth (1B); Cross axis have two symmetries by tooth (1C), the internal diameter of its crown maximum gauge≤cylindrical shell (2), annular tooth (1A) all is inclined upwardly with dedendum flank by tooth (1C), addendum flank is the plane; Hypomere at button (1) has a circular flat (1D), the internal diameter of the external diameter≤cylindrical shell on this plane (2); This plane with the relative 90 ° direction of arrow (1A), bilateral is cut by symmetry vertically, this plane (1D) is cut the minimum spacing of width≤cylindrical shell (2) upper end two limiting tooths (2B) at place; Button (1) with the above-mentioned below that is cut plane (1D) one square pressing plate (1E) is arranged, the sidewall of pressing plate (1E) has the longitudinal groove (1H) of two symmetries, insert blade (1G) in this groove, the cutting edge of blade is parallel and downward with the button axis; There is arc groove (1F) bottom surface, middle part of pressing plate (1E), the external diameter of its diameter>=infusion tube (4); Pressing plate (1E) is at the external diameter of the width>=infusion tube (4) of arc groove (1F) face; The external diameter of the thickness≤infusion tube (4) of pressing plate (1E); The outer rim of two blades (1G) distance>=from the diameter of disconnected pipe (5), the diameter of the inner edge distance>=infusion tube (4) of two blades (1G), the edge width of blade (1G)>=from the wall thickness of disconnected pipe (5) (>=from disconnected width of managing the faciola of windowing).
3. press from both sides with ending according to the said safety vein puncture needle of claim 1 from breaking; It is characterized in that: cylindrical shell (2) is a circular tube structure; Its upper semisection has crack (2A) that cross the centre line of a symmetry, with the upper limb inwall that cracks vertical, the limiting tooth (2B) of two symmetries is arranged; Its addendum flank is downward-sloping, the dedendum flank level; The root diameter by tooth (1C) and annular tooth (1B) of the distance>=button (1) between two limiting tooths (2B); Distance between two limiting tooths (2B) and>=width after the plane (1D) of button (1) hypomere is cut; At the hypomere barrel and the corresponding direction of limiting tooth (2B) of cylindrical shell (2), the perforation of the symmetry of crossing the centre line is slotted (2C), and this top of slotting is semicircle, and its diameter omits≤manage from breaking the external diameter of (5), in the side wall lower ends of (2C) of slotting, symmetrical horizontal channel (2D) is arranged.
4. press from both sides with ending according to the said safety vein puncture needle of claim 1 from breaking; It is characterized in that: base (3) is a disc structure; Its periphery has several half-circle projection, and there is round platform projection (3B) on its surface, at the middle part of round platform projection; The arc groove (3A) that axis was arranged, the diameter of this arcuate groove equal infusion tube (4) diameter; One square depression (3E) is arranged, the curved convexity in the bottom surface of this depression, the arcuate groove diameter coupling of the diameter of this projection and pressing plate bottom surface at the middle part of arc groove (3A); Four length of sides of end clamp plate (1E) under the four length of sides >=button of this square depression (3E); The two ends of the arc groove (3A) on base (3) round platform respectively have one be lower than the garden pylon projection (3C), the two side spacing of projection (3C) equals the width of cylindrical shell (2) hypomere fluting (2C); In projection (3C) two side one transverse projections (3D) is arranged respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210338531 CN102824688A (en) | 2012-09-13 | 2012-09-13 | Dividing cut-off clip for safety vein puncture needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210338531 CN102824688A (en) | 2012-09-13 | 2012-09-13 | Dividing cut-off clip for safety vein puncture needle |
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| CN102824688A true CN102824688A (en) | 2012-12-19 |
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| CN 201210338531 Pending CN102824688A (en) | 2012-09-13 | 2012-09-13 | Dividing cut-off clip for safety vein puncture needle |
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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 |
| 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 |
| CN106618687A (en) * | 2016-12-09 | 2017-05-10 | 成都五义医疗科技有限公司 | Tactile feedback type puncture needle |
| CN107106760A (en) * | 2015-01-09 | 2017-08-29 | 福建省百仕韦医用高分子股份有限公司 | Jacket type fluid stopping device |
| CN108159560A (en) * | 2017-12-18 | 2018-06-15 | 许昌义 | The effective screw gate valve of medical treatment |
| CN110585522A (en) * | 2019-10-22 | 2019-12-20 | 程基才 | Multifunctional indwelling needle with blood sample collection function |
| CN111132719A (en) * | 2017-07-19 | 2020-05-08 | 贝克顿·迪金森公司 | Extension piece for accommodating probe or intravenous catheter |
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2012
- 2012-09-13 CN CN 201210338531 patent/CN102824688A/en active Pending
Cited By (9)
| 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 |
| 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 |
| CN107106760A (en) * | 2015-01-09 | 2017-08-29 | 福建省百仕韦医用高分子股份有限公司 | Jacket type fluid stopping device |
| CN106618687A (en) * | 2016-12-09 | 2017-05-10 | 成都五义医疗科技有限公司 | Tactile feedback type puncture needle |
| CN106618687B (en) * | 2016-12-09 | 2023-05-26 | 成都五义医疗科技有限公司 | Touch feedback type puncture needle |
| CN111132719A (en) * | 2017-07-19 | 2020-05-08 | 贝克顿·迪金森公司 | Extension piece for accommodating probe or intravenous catheter |
| CN108159560A (en) * | 2017-12-18 | 2018-06-15 | 许昌义 | The effective screw gate valve of medical treatment |
| CN108159560B (en) * | 2017-12-18 | 2021-05-11 | 青岛市市立医院 | Screw type gate valve for medical tube |
| CN110585522A (en) * | 2019-10-22 | 2019-12-20 | 程基才 | Multifunctional indwelling needle with blood sample collection function |
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Application publication date: 20121219 |