CN102551692B - Artery puncture needle - Google Patents
Artery puncture needle Download PDFInfo
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- CN102551692B CN102551692B CN 201110458117 CN201110458117A CN102551692B CN 102551692 B CN102551692 B CN 102551692B CN 201110458117 CN201110458117 CN 201110458117 CN 201110458117 A CN201110458117 A CN 201110458117A CN 102551692 B CN102551692 B CN 102551692B
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Abstract
An artery puncture needle comprises a light-transmission cannula seat, a remaining needle outer cannula, a steel needle seat and a steel needle. A tubular pressure measuring joint is arranged at the rear end of the light-transmission cannula seat, the remaining needle outer cannula is opposite to the pressure measuring joint and arranged at the front end of the cannula seat, the steel needle is disposed on the steel needle seat, a holding groove which is respectively communicated with the remaining needle outer cannula and the pressure measuring joint is formed in the cannula seat, an elastic stop block which can be operated to slide between a puncture position and a pressure measuring position is movably assembled in the holding groove, a pressure measuring channel which runs through transversely is formed on the stop block, and a blood draining hole which is communicated with the holding groove is formed on the cannula seat. The artery puncture needle has the advantages that the artery puncture needle is simple in structure, convenient in operation, capable of preventing blood from spraying outwards, high in puncture success rate, accurate in pressure measurement, convenient in blood collection, and the like.
Description
Technical field
The present invention relates to a kind of arterial puncture needle.
Background technology
Need monitoring blood pressure in real time for critical surgical patient or Intensive Care Therapy patient, adopt invasive monitoring of blood pressure usually, namely adopt arterial puncture needle to insert tremulous pulse, be connected with the tremulous pulse pressure tester again.Traditional arterial puncture needle generally comprises casing seat, the remaining needle trocar sheath that is arranged at the casing seat front end that the rear end is provided with pressure measuring tie-in, is sheathed in the remaining needle trocar sheath and the draw point that front end stretches out and the draw point seat that is connected with draw point.Because arteriotony is higher, the arterial puncture needle of said structure occurs blood easily and sprays from pressure measuring tie-in when puncture procedure, pollute operating area, may cause the propagation of iatrogenic disease, at the problems referred to above, have multiple scheme at present, be 200820022391.7 the outer spouted arteries and veins paracentesis trocar of Y type band seal wire resistant to blood as the patent No., it has prevented the problem of the outer spray of blood, but because its y-type structure can influence the accuracy of pressure measurement numerical value.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, but provide that a kind of resistant to blood simple in structure, easy to operate sprays outward, pressure measurement arterial puncture needle accurately.
Purpose of the present invention realizes by following technical solution:
A kind of arterial puncture needle, it is characterized in that: comprise that the rear end is provided with the light transmission casing seat of tubulose pressure measuring tie-in, be relatively arranged on the remaining needle trocar sheath of casing seat front end with pressure measuring tie-in, the draw point seat, and be arranged at draw point on the draw point seat, be formed with the storage tank that is communicated with remaining needle trocar sheath and pressure measuring tie-in respectively in the casing seat, movable being equipped with can be operated in the elasticity obstruction piece that slides between puncture position and the pressure measurement position in the storage tank, block the measuring pressure passage that piece is formed with lateral direction penetrating, be formed with the row's blood hole that is connected with storage tank on the casing seat, when blocking piece at puncture position, block the blood back cavity that surrounds a sealing between piece and the storage tank, row's blood hole is connected with blood back cavity, block piece and block pressure measuring tie-in, draw point passes pressure measuring tie-in successively and the obstruction piece then is sheathed in the remaining needle trocar sheath and front end stretches out the remaining needle trocar sheath, and the draw point sidewall offers the blood back mouth that is connected with blood back cavity; Slide into the pressure measurement position when extracting draw point and operating the obstruction piece, dock with remaining needle trocar sheath and pressure measuring tie-in at the measuring pressure passage two ends of blocking piece.
Further, described storage tank is the beloid dovetail groove that is opened on the casing seat side, and described obstruction piece is the trapezoid block suitable with storage tank, when blocking piece at puncture position, block piece and do not block the remaining needle trocar sheath, when blocking piece in the pressure measurement position, block piece and fill blood back cavity fully.
Further, the present invention also comprises the seal wire that is sheathed in the draw point, before puncture blood back stage seal wire front end is positioned at the blood back mouth of draw point, send pin stage seal wire to be operated from the draw point front end in guiding and stretch out one section, the draw point seat is provided with the seal wire sheath, the seal wire tail end is provided with a control crank, and the seal wire sheath is formed with the slot to make way that extends along its length direction.
Further, be in the pressure measurement position when blocking piece, row's at least part of relative realization with measuring pressure passage in blood hole is blocked piece to take a blood sample from the hole puncture of row's blood measuring pressure passage.
Further, described obstruction piece is elastic block rubber.
Further, described casing seat is provided with the tubulose row blood joint around row's blood hole.
Further, the present invention also comprises the chock tube on can the row's of being socketed in blood joint, is provided with the Obstruct membrane that can keep off the blood ventilation in the chock tube, the openable lid in chock tube outside.
Further, the present invention also comprises the negative pressure syringe of front end on can the row's of being socketed in blood joint, the negative pressure syringe is made up of cylindrical shell and the piston push rod that is movably set in the cylindrical shell, barrel front end is provided with the adapter on can the row's of being socketed in blood joint, the cylindrical shell lateral wall is provided with the obstruction arm with internal communication, block and be provided with the Obstruct membrane that can keep off the blood ventilation in the arm, block arm and be provided with openable lid, cylindrical shell top is formed with the breach that extends along its length direction, and piston push rod is provided with can be along breach slip and the dop that may be stuck in the cylindrical shell upper edge.
Further, described row's blood joint outer peripheral face is formed with external screw thread, and described syringe front end is provided with around described adapter and the screw socket that can match with the external screw thread of described row's blood joint.
Further, described pressure measuring tie-in outer peripheral face is formed with the thread segment that docks for pressure tester, but described draw point seat front end is provided with the medicated cap body of buckle closure on pressure measuring tie-in, medicated cap body inwall be formed with along the draw point length direction extend and with the suitable guiding groove of thread segment.
Further, described draw point seat is provided with and extends upward, can cooperate to control the Handheld Division of puncture needle with row's blood joint.
The present invention has following beneficial effect:
Be back in blood back cavity and the syringe at the blood back mouth of puncture blood back stage blood by draw point, can be convenient to observe the blood back situation and prolong observation window, can prevent blood ejection pollution operating area again, good when observing blood back, can insert seal wire through draw point, guiding remaining needle trocar sheath is sent into blood vessel, after extraction has the draw point of seal wire, promote to block piece and prevent that to just blocking the remaining needle trocar sheath blood from continuing to reflux, pressure measuring tie-in is connected with pressure tester, continuing to promote to block piece then makes it be in the pressure measurement position, at this moment the remaining needle trocar sheath is communicated with pressure measuring tie-in by the measuring pressure passage that blocks piece, because it is short that measuring pressure passage is beeline channel and length, therefore pressure measurement blood pressure exactly.The blood of blood back cavity can be clamp-oned chock tube or syringe from row's blood mouth in the operating process, can prevent that so blood from polluting operating area from row's blood mouth and pressure measuring tie-in ejection.
Storage tank is set to being opened on the beloid dovetail groove of casing seat side, block piece and be set to the trapezoid block suitable with storage tank, block the purpose that piece can easily be realized blocking pressure measuring tie-in and discharge the remaining needle trocar sheath at puncture position like this, make the obstruction block structure simple, save cost of manufacture, when blocking piece in the pressure measurement position, block piece and fill blood back cavity fully, the row's blood that then is conducive to blood back cavity, be arranged to be in the pressure measurement position when blocking piece, row's blood hole is at least part of relative with measuring pressure passage, thereby realizes adopting syringe to block piece to take a blood sample from the hole puncture of row's blood measuring pressure passage.
At the draw point seat placement that seal wire can be used for guiding sleeve is set, helps to improve puncture success rate, push the blood outlet that the seal wire that is sheathed in the draw point surpasses draw point, help to stop the backflow of blood, the cleaning that the seal wire sheath can guarantee seal wire is set.When draw point withdraws from casing seat, because seal wire is operated from the draw point front end and stretched out one section, be conducive to prevent that draw point is to medical worker's injury.
Casing seat is provided with the tubulose row blood joint around row's blood hole, this row's blood joint can connect chock tube to prevent that further blood is from the ejection of row's blood mouth, pollute operating area, also can connect syringe in addition with convenient row's blood, setting can connect the negative pressure syringe of row's blood joint, and this negative pressure syringe can carry out negative pressure and draw blood when patient's blood pressure is low, or when using the tremulous pulse through-transmission technique to carry out arterypuncture, continuous negative pressure suction during the drill drift pipe is to improve puncture success rate.
The pressure measuring tie-in outer peripheral face forms thread segment, and this thread segment can be realized and the docking of pressure tester, and can cooperate the accurate assembling that realizes draw point with the guiding groove of draw point seat medicated cap body again, makes accurate connection with blood back cavity of blood back mouth of draw point and the piece obstruction that do not get clogged.
Description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing.
Fig. 1 is cutaway view of the present invention, puncture blood back state.
Fig. 2 is cutaway view of the present invention, the guiding puncture state.
Fig. 3 is cutaway view of the present invention, can connect the state of pressure tester.
Fig. 4 is cutaway view of the present invention, the pressure measurement state.
Fig. 5 is vertical view of the present invention, the pressure measurement state.
Fig. 6 be among Fig. 4 B-B to cutaway view.
Fig. 7 is side view of the present invention, the puncture state.
Fig. 8 is the structural representation of negative pressure syringe provided by the invention.
The specific embodiment
Referring to figs. 1 through shown in Figure 7, a kind of arterial puncture needle, comprise the rear end be provided with the light transmission casing seat 1 of tubulose pressure measuring tie-in 12, with pressure measuring tie-in 12 be relatively arranged on casing seat 1 front end remaining needle trocar sheath 5, draw point seat 2, be arranged at the draw point 4 of draw point seat 2 front ends and be sheathed on seal wire 6 in the draw point.
Be formed with the storage tank 11 that is communicated with remaining needle trocar sheath 5 and pressure measuring tie-in 12 respectively in the casing seat 1, storage tank 11 is for being opened on the beloid dovetail groove of casing seat 1 side, in the storage tank 11 movable be equipped with to be operated in slide between puncture position and the pressure measurement position and block pieces 3 with the suitable gum elastics of storage tank 11 sizes, block the linear type measuring pressure passage 31 that piece 3 is formed with lateral direction penetrating, be formed with row's blood hole 14 of being connected with storage tank 11 on the casing seat 1 and around row's blood joint 13 in row's blood hole 14.
When blocking piece 3 at puncture position, block the blood back cavity A that surrounds a sealing between piece 3 and the storage tank 11, row's blood hole 14 is connected with blood back cavity A, blocking piece 3 blocks pressure measuring tie-in 12 and does not block remaining needle trocar sheath 5, draw point 4 passes pressure measuring tie-in 12 successively and obstruction piece 3 then is sheathed in the remaining needle trocar sheath 5 and front end stretches out remaining needle trocar sheath 5, draw point 4 sidewalls offer the blood back mouth 41 that is connected with blood back cavity A, in the puncture blood back stage, seal wire 6 front ends are positioned at before the blood back mouth 41 of draw point 4, send the pin stage observing the guiding of blood back after good, seal wire 6 is stretched out one section by operation from draw point 4 front ends, draw point seat 2 is provided with seal wire sheath 22, seal wire 6 tail ends are provided with a control crank 61, and seal wire sheath 22 is formed with the slot to make way 221 that extends along its length direction.
In the operation of puncture needle, draw point seat 1 is provided with and extends upward, can cooperate to control the Handheld Division 23 of puncture needle with row's blood joint for convenience; For convenience in the assembling quick and precisely of puncture needle and with being connected of pressure tester, pressure measuring tie-in 12 outer peripheral faces are formed with for the thread segment 121 that docks with pressure tester, but draw point seat 2 front ends are provided with the medicated cap body 21 of buckle closure on pressure measuring tie-in 12, medicated cap body 21 inwalls be formed with along draw point 4 length directions extend and with the suitable guiding groove 211 of thread segment 121.
In order to prevent blood from 14 ejections of row blood hole, the present invention also is provided with the chock tube 8 on can the row of being socketed in blood joint 13, is provided with the Obstruct membrane that can keep off the blood ventilation in the chock tube 8, openable lid outside the chock tube.Chock tube 8 is known prior art, and its detailed construction here no longer describes in detail.
In order to adapt to the lower patient of blood pressure, or when using the tremulous pulse through-transmission technique to carry out arterypuncture.The present invention also is provided with the negative pressure syringe of front end on can the row's of being socketed in blood joint 13, syringe is made up of cylindrical shell 91 and the piston push rod 92 that is movably set with in the cylindrical shell 91, cylindrical shell 91 front ends are provided with the adapter 94 on can the row's of being socketed in blood joint 13, cylindrical shell 91 lateral walls are provided with the obstruction arm 93 with internal communication, the structure of blocking arm 93 is identical with chock tube 8, chock tube 93 is provided with openable lid 7, lid 7 is connected with casing seat 1 by connecting rope, cylindrical shell 91 tops are formed with the breach 911 that extends along its length direction, piston push rod 92 is provided with can be along breach 911 slips and the dop 921 that may be stuck in cylindrical shell 91 upper edges, row's blood joint 13 outer peripheral faces are formed with external screw thread, and the syringe front end is provided with around taking over 94 and the screw socket 95 that can match with the external screw thread of row's blood joint 13.The concrete operations mode is: by screw socket 95 adapter 94 of negative pressure syringe is fixedlyed connected with row's blood joint 13, operated piston push rod 92 moves up and makes cylindrical shell 91 leading portions form negative pressure chamber, at this moment, this negative pressure chamber is communicated with chock tube 93, then adopt lid 7 with chock tube 93 sealings, last operation piston push rod 92 moves up and rotates and makes dop 921 be stuck in the upper edge of cylindrical shell 91, make negative pressure chamber form negative pressure, thereby auxiliary hypotensive's puncture blood back, or when using the tremulous pulse through-transmission technique to carry out arterypuncture, continuous negative pressure suction during the drill drift pipe is to improve puncture success rate.
In the clinical practice operation, conventional Allen ' s experiment, select Allen ' s negative patient, carry out radial artery puncturing, follow sterile working's principle, clear-headed patient selection local anaesthesia, puncture needle is in puncture blood back state shown in Figure 1: when blocking piece 3 at puncture position, block the blood back cavity A that surrounds a sealing between piece 3 and the storage tank 11, row's blood hole 14 is connected with blood back cavity A, blocking piece 3 blocks pressure measuring tie-in 12 and does not block remaining needle trocar sheath 5, draw point 4 passes pressure measuring tie-in 12 successively and obstruction piece 3 then is sheathed in the remaining needle trocar sheath 5 and front end stretches out remaining needle trocar sheath 5, and draw point 4 sidewalls offer the blood back mouth 41 that is connected with blood back cavity A, in the puncture blood back stage, seal wire 6 front ends are positioned at before the blood back mouth 41 of draw point 4, and chock tube 93 is connected with row's blood joint 13.For the hypotensive, the adapter 94 that will have chock tube 93 negative pressure syringes is connected with row's blood joint 13, operated piston push rod 92 moves up and makes cylindrical shell 91 leading portions form negative pressure chamber, at this moment, this negative pressure chamber is communicated with chock tube 93, then adopt lid 7 with chock tube 93 sealings, last operation piston push rod 92 moves up and rotates and makes dop 921 be stuck in the upper edge of cylindrical shell 91, makes negative pressure chamber form negative pressure.
During puncture, right hand thumb, forefinger be the Handheld Division 23 of the row's of holding blood joint 13 and puncture needle respectively, puncture needle and skin are 15-30 °, the radial artery that aligning is beaten slowly moves under water and carries out, and when one has blood to gush out, proves and punctures successfully, immediately remaining needle trocar sheath 5 is lowerd, be 10 ° with skin, again it pushed ahead 2mm, make the whole intravasation intracavity of remaining needle trocar sheath 5 mouths of pipe or reach the offside blood vessel wall.At this moment, if still see blood back, seal wire 6 can be sent into the puncture draw point and stretch out one section from draw point 4 front ends, puncture needle is in guiding puncture state as shown in Figure 2, inserts and has some setbacks if lose blood back or seal wire 6, can withdraw from seal wire 6, puncture needle is in puncture blood back state shown in Figure 1, can make the negative pressure syringe be in negative pressure state in case of necessity, and slow rollback remaining needle trocar sheath 5, until blood back and send into seal wire 6 smoothly occurring, puncture needle is in guiding puncture state as shown in Figure 2.At last under the guiding of seal wire 6, remaining needle trocar sheath 5 is sent into blood vessel.
Stretch out at seal wire 6 under the state of one section of draw point 4 front end, extract the draw point that has seal wire 6.Promote to block piece 3(2-4mm) prevent that to just blocking remaining needle trocar sheath 5 blood from continuing to reflux, as shown in Figure 3, again pressure measuring tie-in 12 is connected with pressure tester, continuing to promote to block piece 3 then makes it be in the pressure measurement position, at this moment the remaining needle trocar sheath docks with remaining needle trocar sheath 5 and pressure measuring tie-in 12 by measuring pressure passage 31 two ends of blocking piece 3, block piece 3 and fill blood back cavity A fully, can carry out pressure measurement.The blood of blood back cavity can be clamp-oned chock tube 8 or syringe from row's blood mouth 14 in the operating process, can prevent that so blood from polluting operating area from row's blood mouth 14 and pressure measuring tie-in ejection.At this moment, the measuring pressure passage 31 that blocks piece 3 arranges that blood in a row hole 14 is at least part of punctures obstruction pieces 3 to take a blood sample with measuring pressure passage 31 relative realization from row's blood hole 14 measuring pressure passage 31.When draw point 4 withdraws from casing seat 1, because seal wire 6 is stretched out one section by operation from draw point 4 front ends, be conducive to prevent 4 couples of medical workers' of draw point injury.
The above only is preferred embodiment of the present invention, so can not limit scope of the invention process with this, i.e. the equivalence of doing according to the present patent application claim and description changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (10)
1. arterial puncture needle, it is characterized in that: comprise that the rear end is provided with the light transmission casing seat of tubulose pressure measuring tie-in, be relatively arranged on the remaining needle trocar sheath of casing seat front end with pressure measuring tie-in, the draw point seat, and be arranged at draw point on the draw point seat, be formed with the storage tank that is communicated with remaining needle trocar sheath and pressure measuring tie-in respectively in the casing seat, movable being equipped with can be operated in the elasticity obstruction piece that slides between puncture position and the pressure measurement position in the storage tank, block the measuring pressure passage that piece is formed with lateral direction penetrating, be formed with the row's blood hole that is connected with storage tank on the casing seat, when blocking piece at puncture position, block the blood back cavity that surrounds a sealing between piece and the storage tank, row's blood hole is connected with blood back cavity, block piece and block pressure measuring tie-in, draw point passes pressure measuring tie-in successively and the obstruction piece then is sheathed in the remaining needle trocar sheath and front end stretches out the remaining needle trocar sheath, and the draw point sidewall offers the blood back mouth that is connected with blood back cavity; Slide into the pressure measurement position when extracting draw point and operating the obstruction piece, dock with remaining needle trocar sheath and pressure measuring tie-in at the measuring pressure passage two ends of blocking piece.
2. a kind of arterial puncture needle according to claim 1, it is characterized in that: described storage tank is the beloid dovetail groove that is opened on the casing seat side, described obstruction piece is the trapezoid block suitable with storage tank, when blocking piece at puncture position, block piece and do not block the remaining needle trocar sheath, when blocking piece in the pressure measurement position, block piece and fill blood back cavity fully.
3. a kind of arterial puncture needle according to claim 1, it is characterized in that: also comprise the seal wire that is sheathed in the draw point, before puncture blood back stage seal wire front end is positioned at the blood back mouth of draw point, send pin stage seal wire to be operated from the draw point front end in guiding and stretch out one section, the draw point seat is provided with the seal wire sheath, the seal wire tail end is provided with a control crank, and the seal wire sheath is formed with the slot to make way that extends along its length direction.
4. according to claim 1 or 2 or 3 described a kind of arterial puncture needles, it is characterized in that: be in the pressure measurement position when blocking piece, row's at least part of relative realization with measuring pressure passage in blood hole is blocked piece to take a blood sample from the hole puncture of row's blood measuring pressure passage.
5. according to claim 1 or 2 or 3 described a kind of arterial puncture needles, it is characterized in that: described obstruction piece is elastic block rubber.
6. according to claim 1 or 2 or 3 arbitrary described a kind of arterial puncture needles, it is characterized in that: described casing seat is provided with the tubulose row blood joint around row's blood hole.
7. a kind of arterial puncture needle according to claim 6 is characterized in that: also comprise the chock tube on can the row's of being socketed in blood joint, be provided with the Obstruct membrane that can keep off the blood ventilation in the chock tube, the openable lid in chock tube outside.
8. a kind of arterial puncture needle according to claim 6, it is characterized in that: also comprise the negative pressure syringe of front end on can the row's of being socketed in blood joint, the negative pressure syringe is made up of cylindrical shell and the piston push rod that is movably set in the cylindrical shell, barrel front end is provided with the adapter on can the row's of being socketed in blood joint, the cylindrical shell lateral wall is provided with the obstruction arm with internal communication, block and be provided with the Obstruct membrane that can keep off the blood ventilation in the arm, block arm and be provided with openable lid, cylindrical shell top is formed with the breach that extends along its length direction, and piston push rod is provided with can be along breach slip and the dop that may be stuck in the cylindrical shell upper edge.
9. a kind of arterial puncture needle according to claim 8, it is characterized in that: described row's blood joint outer peripheral face is formed with external screw thread, and described syringe front end is provided with around described adapter and the screw socket that can match with the external screw thread of described row's blood joint.
10. a kind of arterial puncture needle according to claim 6, it is characterized in that: described pressure measuring tie-in outer peripheral face is formed with the thread segment that docks for pressure tester, but described draw point seat front end is provided with the medicated cap body of buckle closure on pressure measuring tie-in, medicated cap body inwall be formed with along the draw point length direction extend and with the suitable guiding groove of thread segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110458117 CN102551692B (en) | 2011-12-31 | 2011-12-31 | Artery puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110458117 CN102551692B (en) | 2011-12-31 | 2011-12-31 | Artery puncture needle |
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| Publication Number | Publication Date |
|---|---|
| CN102551692A CN102551692A (en) | 2012-07-11 |
| CN102551692B true CN102551692B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110458117 Expired - Fee Related CN102551692B (en) | 2011-12-31 | 2011-12-31 | Artery puncture needle |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948984B (en) * | 2014-04-11 | 2017-01-11 | 李泉 | Arterial remaining needle capable of displaying arterial pulsation |
| CN104323784A (en) * | 2014-11-19 | 2015-02-04 | 广州健恩医疗设备有限公司 | Y-type blood-return cavity device and artery puncture needle comprising same |
| CN106860953A (en) * | 2017-04-13 | 2017-06-20 | 王辉 | A kind of automatic exhaust automatic liquid-stopping sensitive blood returning transfusion system tool and its technical scheme |
| CN107115109B (en) * | 2017-05-26 | 2018-10-19 | 徐州医科大学 | Protection type arterial puncture detaining needle |
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| CN2815380Y (en) * | 2005-05-27 | 2006-09-13 | 四川大学华西医院 | Closed artery retention needle |
| CN201200455Y (en) * | 2008-05-16 | 2009-03-04 | 吕晓明 | Y type arteriopuncture trocars with guide wire for preventing blood spraying externally |
| CN201920712U (en) * | 2010-12-28 | 2011-08-10 | 上海市第十人民医院 | Arterial cannula |
| CN201929950U (en) * | 2010-12-09 | 2011-08-17 | 珠海迈德豪医用科技有限公司 | Microminiaturized arterial pressure measuring sensor |
| CN201958997U (en) * | 2010-11-05 | 2011-09-07 | 徐建青 | The percutaneous radial artery puncturing is put pipe guiding arrangement |
| CN202477674U (en) * | 2011-12-31 | 2012-10-10 | 谢文钦 | Artery puncture needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431009A (en) * | 1981-09-08 | 1984-02-14 | Biomedical Dynamics Corporation | Apparatus for measuring blood pressure |
| US6726659B1 (en) * | 1999-12-09 | 2004-04-27 | John E. Stocking | Catheter assembly having a fenestrated dilator |
| US6511434B1 (en) * | 2001-06-07 | 2003-01-28 | Elcam Plastic Cooperative Agricultural Association Ltd. | Blood-pressure transducer assembly |
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|---|---|---|---|---|
| CN2815380Y (en) * | 2005-05-27 | 2006-09-13 | 四川大学华西医院 | Closed artery retention needle |
| CN201200455Y (en) * | 2008-05-16 | 2009-03-04 | 吕晓明 | Y type arteriopuncture trocars with guide wire for preventing blood spraying externally |
| CN201958997U (en) * | 2010-11-05 | 2011-09-07 | 徐建青 | The percutaneous radial artery puncturing is put pipe guiding arrangement |
| CN201929950U (en) * | 2010-12-09 | 2011-08-17 | 珠海迈德豪医用科技有限公司 | Microminiaturized arterial pressure measuring sensor |
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| US 6,726,659 B1,2004.04.27,全文. |
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| CN102551692A (en) | 2012-07-11 |
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