CN205163057U - Needle is kept somewhere to artery of taking hemostasis valve and removable negative pressure to return haemocoele - Google Patents
Needle is kept somewhere to artery of taking hemostasis valve and removable negative pressure to return haemocoele Download PDFInfo
- Publication number
- CN205163057U CN205163057U CN201521026099.9U CN201521026099U CN205163057U CN 205163057 U CN205163057 U CN 205163057U CN 201521026099 U CN201521026099 U CN 201521026099U CN 205163057 U CN205163057 U CN 205163057U
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- negative pressure
- needle
- draw point
- artery
- retaining
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Abstract
The utility model provides a take the hemostasis valve to keep somewhere the needle external member, is provided with outer catheter subassembly, interior steel needle subassembly, negative pressure time haemocoele and cap, and the outer catheter subassembly is provided with puncture pipe, pipe seat and is responsible for the body, interior steel needle subassembly is provided with steel needle body and steel needle seat, steel needle body is located to puncture pipe cover, the pipe seat is provided with the main cavity, and steel needle seat and main cavity assembly are responsible for the body and are assembled in the main cavity, and the steel needle body pass be responsible for the body, the pipe seat still is provided with and makes the hemostasis valve of being responsible for the body and switching on or close, the negative pressure is returned the removable formula of haemocoele and is assembled in the steel needle seat, and the cap assembles in returning the haemocoele. Avoid bleeding the in a large number emergence of phenomenon of this needle is kept somewhere to artery of taking hemostasis valve and removable negative pressure to return haemocoele accessible hemostasis valve can reduce contaminated possibility, in time isolated blood and air contact. Have simple structure, convenient operation, the safe nimble characteristics of operation.
Description
Technical field
This utility model relates to technical field of medical equipment, particularly relates to a kind of needle of retaining on artery with haemostatic valve and replaceable negative pressure blood return chamber.
Background technology
Arteries remaining needle is widely applied at present clinically, particularly in operating room and critical illness monitoring room, needle of retaining on artery for have wound arterial pressure monitoring, also can to observed patient regularly carry out blood draw for dynamic vim and vigour or, coagulation function or other blood testing etc.Needle of retaining on artery has plurality of advantages, for have wound tremulous pulse continue to monitor, can Real Time Observation to patient's blood pressure, accuracy is high, can more effective guiding clinical treatment or patient rescue; For detection of drawing blood, the blood vessel injury that puncture repeatedly can be avoided to cause, alleviate patient suffering, prevent cross infection, the rescue for critical patient opens tremulous pulse " green channel ", alleviates the workload etc. of nursing staff.
But arteries remaining needle of the prior art, in artificial puncture procedure process, unavoidably because of operational coordination, occurs causing a large amount of blood loss phenomenon, to environment, increase the risk that patient infects medical personnel; After once-through operation is unsuccessful, due to blood back cavity hematocele, even if after rinsing, meet water due to blood back cavity and namely lose suction function, cannot blood back be seen when reusing this device puncture, also cannot precisely judge puncture intravasation, puncture success rate is again reduced greatly, and pin of having to again renew, cause therapeutical waste situation
Therefore, not enough for prior art, provide a kind of needle of retaining on artery with haemostatic valve and replaceable negative pressure blood return chamber very necessary to overcome prior art deficiency.
Utility model content
The purpose of this utility model is to avoid the deficiencies in the prior art part and provides a kind of needle of retaining on artery with haemostatic valve and changeable type negative pressure blood return chamber, and it is simple, easy to operate that this needle of retaining on artery has structure, and handling safety is feature flexibly.
Above-mentioned purpose of the present utility model is realized by following technological means.
A kind of needle of retaining on artery with haemostatic valve and replaceable negative pressure blood return chamber is provided, be provided with outer catheter assembly, interior draw point assembly, blood back cavity and cap, described interior draw point assembled is in described outer catheter assembly, and described blood back cavity assembles with described interior draw point assembly, described cap respectively;
Described outer catheter assembly is provided with puncture conduit, catheter block and main pipe;
Described interior draw point assembly is provided with draw point body and draw point seat;
Described draw point body is fixedly connected with described draw point seat, and described puncture conduit is fixedly connected with described catheter block, described puncture sheathed catheter be located at described draw point body and the cutting tip partial denudation of described draw point body in described puncture conduit;
Described catheter block is provided with main chamber, and described draw point seat and described main chamber are assembled, and described main pipe is assemblied in described main chamber, and described draw point body is through described main pipe; Described catheter block is also provided with the haemostatic valve making described main pipe's conducting or closedown;
Described blood back cavity is detachable is assemblied in described draw point seat, and described cap is assemblied in described blood back cavity.
Described blood back cavity changeable type is assemblied in described draw point seat and in negative pressure state, described cap is assemblied in described blood back cavity; Can provide repeatedly puncture in the multiple negative pressure blood return chamber of additional configuration.
Preferably, above-mentioned haemostatic valve is provided with spool and valve seat, and described valve seat is fixed on described catheter block and is communicated with described main chamber, and described spool is assemblied in described valve seat;
Described valve seat is provided with the upper slot and lower slot that are interconnected, and described spool is provided with card column, and described card column is fixed by described upper slot or described lower slot.
Further, above-mentioned upper slot is provided with screens, described lower slot is provided with lower screens, and described upper screens is fixedly installed on the end of described upper slot and is communicated with described upper slot, and described lower screens is arranged at the end of described lower slot and is communicated with described lower slot.
Another is preferred, and above-mentioned haemostatic valve is provided with spool and valve seat, and described valve seat is fixed on described catheter block and is communicated with described main chamber, and described spool is assemblied in described valve seat;
Described valve seat is provided with pressing spanner, and described pressing spanner is provided with button, and described spool is provided with above detains corresponding multiple lower button with described, and described lower button is fixed by described upper button.
As a kind of optimal way, the needle of retaining on artery in above-mentioned band haemostatic valve and replaceable negative pressure blood return chamber, is also provided with resilient mounting, and described resilient mounting is the main pipe of silica gel material.
As another kind of optimal way, the needle of retaining on artery in above-mentioned band haemostatic valve and replaceable negative pressure blood return chamber, is also provided with resilient mounting, and described resilient mounting is assemblied between described spool bottom and described main pipe.
Above-mentioned resilient mounting is set to silica gel spring, or above-mentioned resilient mounting is set to metal spring.
Above-mentioned spool bottom is set to globoidal structure, and described spool top is provided with pressing position.
Above-mentioned main pipe assembles by front rivet, rear rivet and described catheter block are fixing, and described front rivet, described rear rivet are respectively arranged with the through hole by draw point body.
The end of above-mentioned blood back cavity is set to negative pressure exhaust joint.
The needle of retaining on artery in this band haemostatic valve of the needle of retaining on artery in band haemostatic valve of the present utility model and replaceable negative pressure blood return chamber and replaceable negative pressure blood return chamber is avoided bleeding in a large number by haemostatic valve the generation of phenomenon, can reduce contaminated probability, isolated blood contacts with air in time.By haemostatic valve, medical personnel can singlehanded complete operation, not only easy to operate but also can alleviate the misery of patient.It is simple, easy to operate that the needle of retaining on artery in this band haemostatic valve and replaceable negative pressure blood return chamber has structure, and handling safety is feature flexibly.
Accompanying drawing explanation
Utilize accompanying drawing to be further described this utility model, but the content in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of needle of retaining on artery embodiment 1 with haemostatic valve and replaceable negative pressure blood return chamber of this utility model.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the decomposition texture schematic diagram of Fig. 1.
Fig. 4 is the structural representation of a kind of needle of retaining on artery embodiment 2 with haemostatic valve and replaceable negative pressure blood return chamber of this utility model.
Fig. 5 is the structural representation of a kind of needle of retaining on artery embodiment 3 with haemostatic valve and replaceable negative pressure blood return chamber of this utility model.
Fig. 6 is the sectional view of Fig. 5.
Fig. 7 is the decomposing schematic representation of the catheter block part of Fig. 5.
In Fig. 1 to Fig. 7, comprising:
Puncture conduit 110,
Catheter block 120,
Main chamber 121,
Haemostatic valve 130,
Spool 131,
Card column 1311, globoidal structure 1312, pressing position 1313, lower button 1314,
Valve seat 132,
Upper slot 1321, lower slot 1322,
Upper screens 321, lower screens 322,
Pressing spanner 1323, upper button 1324,
Main pipe 140, front rivet 150, rear rivet 160,
Draw point body 210, draw point seat 220,
Blood back cavity 300,
Cap 400.
Detailed description of the invention
With the following Examples this utility model is further described.
Embodiment 1.
With the needle of retaining on artery in haemostatic valve and replaceable negative pressure blood return chamber, as shown in Figure 1 to Figure 3, outer catheter assembly, interior draw point assembly, the blood back cavity 300 of changeable type negative pressure state and cap 400 is provided with.Interior draw point assembled is in outer catheter assembly, and blood back cavity 300 assembles with interior draw point assembly, cap 400 respectively.
Outer catheter assembly is provided with puncture conduit 110, catheter block 120 and main pipe 140.Interior draw point assembly is provided with draw point body 210 and draw point seat 220.
Draw point body 210 is fixedly connected with draw point seat 220, puncture conduit 110 be fixedly connected with catheter block 120, puncture conduit 110 be sheathed on draw point body 210 and the cutting tip partial denudation of draw point body 210 in puncture conduit 110.When twitch draw point seat 220 time, draw point body 210 along with draw point seat 220 can along puncture conduit 110 move so that puncture after draw point body 210 is removed.
Catheter block 120 is provided with main chamber 121, and draw point seat 220 and main chamber 121 are assembled, and main pipe 140 is assemblied in main chamber 121, and draw point body 210 is through main pipe 140.Concrete, main pipe 140 assembles by front rivet 150, rear rivet 160 and catheter block 120 is fixing, front rivet 150, rear rivet 160 are respectively arranged with the through hole by draw point body 210, drives by draw point seat 220 after piercing and take draw point away, and conduit 110 part indwelling of puncturing is in Ink vessel transfusing.
Flow out to control anti-Hemostatic Oral Liquid, this catheter block 120 is also provided with the haemostatic valve 130 making main pipe 140 conducting or closedown.Concrete, haemostatic valve 130 is provided with spool 131 and valve seat 132, and valve seat 132 is fixed on catheter block 120 and is communicated with main chamber 121, and spool 131 is assemblied in valve seat 132.
Valve seat 132 is provided with the upper slot 1321 and lower slot 1322 that are interconnected, and spool 131 is provided with card column 1311, and card column 1311 is fixed by upper slot 1321 or lower slot 1322.Spool 131 bottom is set to globoidal structure 1312, and spool 131 top is provided with pressing position 1313.
When needs control makes main pipe 140 in closed condition or reduces main pipe's 140 flow, the pressing position 1313 on pressing spool 131 top, when making card column 1311 move to lower 1322 position, slot from position, upper slot 1321, forwarding spool 131 to makes card column 1311 be stuck in lower slot 1322, now the globoidal structure 1312 of spool 131 bottom extrudes main pipe 140 gradually in card column 1311 moving process, the passage of main pipe 140 is reduced gradually close even completely, realize the control to fluid flow in main pipe 140.When needs increase or when opening main pipe 140 completely, rotary spool 131 makes card column 1311 move to the position of upper slot 1321 correspondence from position, lower slot 1322, unclamp spool 131, the while that main pipe 140 being resetted, card column 1311 is stuck in upper slot 1321 by pull-up, now the globoidal structure 1312 of spool 131 bottom does not implement extruding to main pipe 140, main pipe 140 channels open.
In order to active homing, the remaining needle external member of this band haemostatic valve 130, is also provided with resilient mounting, and resilient mounting is the main pipe 140 of silica gel material.When the globoidal structure 1312 of spool 131 bottom is not exerted pressure to main pipe 140, the main pipe 140 of silica gel material restores to the original state, and makes card column 1311 be fixed on slot 1321.
The needle of retaining on artery in this band haemostatic valve and replaceable negative pressure blood return chamber, its piercing process is such: keep draw point body 210 up-bite jaw, puncture with about about 40o.See blood back in transparent blood back cavity 300 after, draw point seat 220 is pulled to be exited a little by draw point body 210, puncture conduit 110 is made to insert blood vessel gradually when being about 20mm, stop advancing, adjustment draw point body 210 and arteries are about about 10o, slowly exit and push through catheter block 120, to guarantee that puncture body enters arteries smoothly.Now promote haemostatic valve 130 by left hand thumb light press, make card column 1311 make spool 131 bottom compress main pipe 140 gradually down, in case hemostasis is flowed out; When right handgrip draw point seat 220 takes out, card column 1311 pressed completely and fixed by lower slot 1322, spool 131 will block main pipe 140 completely in case hemostasis stream flows out.Pinch catheter block 120 with thumb and forefinger, slowly push ahead and make it to enter in tremulous pulse, puncture conduit 110 part is retained in patient's intra-arterial.By haemostatic valve 130, can flow out by anti-Hemostatic Oral Liquid in piercing process, and can close or open main pipe 140 as required, facilitate medical personnel to operate, and blood can be avoided to flow out the infection etc. caused.
Remaining needle of the present utility model utilizes not only simple to operate by compressing switch, and also has structure simple, feature with low cost.
In addition, blood back cavity 300 changeable type of this remaining needle external member is assemblied in draw point seat 220, and cap 400 is assemblied in blood back cavity 300.The end of blood back cavity 300 is set to negative pressure exhaust joint.Negative pressure exhaust vibrational power flow, is convenient to observe blood back situation.Blood back cavity 300 can be assemblied in the vibrational power flow of draw point seat 220 by changeable type, is convenient to when puncture failure needs to carry out secondary puncture, only need changes the blood back cavity 300 of negative pressure state, again puncture, have easy to operate, improve success rate, the feature that user comfort level is high.
It should be noted that, the remaining needle of the present embodiment is mainly used in needle of retaining on artery and uses.Various different specification needle of retaining on artery can be set according to specific needs.
Embodiment 2.
A kind of needle of retaining on artery with haemostatic valve and replaceable negative pressure blood return chamber, other structure is identical with embodiment 1, difference is: as shown in Figure 4, upper slot 1321 is provided with screens 321, lower slot 1322 is provided with lower screens 322, upper screens 321 is fixedly installed on the end of slot 1321 and is communicated with upper slot 1321, and lower screens 322 is arranged at the end of lower slot 1322 and is communicated with lower slot 1322.Like this, pressing card column 1311 is needed can be fixed by upper screens 321 to during upper slot 1321, when needs pressing card column 1311 can be fixed by lower screens 322 to during lower slot 1322 according to concrete use.Can guarantee that haemostatic valve 130 is in state accurately.
Embodiment 3.
A kind of needle of retaining on artery with haemostatic valve and replaceable negative pressure blood return chamber, other structure is identical with embodiment 1, difference is: the structure of haemostatic valve 130 is different from embodiment 1, haemostatic valve 130 in the present embodiment is provided with spool 131 and valve seat 132, valve seat 132 is fixed on catheter block 120 and is communicated with main chamber 121, and spool 131 is assemblied in valve seat 132.
As shown in Figures 5 to 7, valve seat 132 is provided with pressing spanner 1323, and pressing spanner 1323 is provided with button 1324, and spool 131 is provided with the multiple lower button 1314 corresponding with upper button 1324, and lower button 1314 is fixed by upper button 1324.
Pressing spanner 1323 has certain plasticity, presses this pressing spanner 1323 outwardly, and upper button 1324 departs from lower button 1314, now, spool 131 can move up and down, and unclamps pressing spanner 1323 after spool 131 position suitable, and button 1324 is fastened again with the lower button 1314 of correspondence position.The lower button 1314 fastening diverse location by upper button 1324 realizes the obstruction extent control of the globoidal structure 1312 couples of main pipes 140 below to spool 131, reaches the object controlling main pipe 140 flow.
By haemostatic valve 130, can flow out by anti-Hemostatic Oral Liquid in piercing process, and can close or open main pipe 140 as required, facilitate medical personnel to operate, and blood can be avoided to flow out the infection etc. caused.
Remaining needle external member of the present utility model utilizes not only simple to operate by compressing switch, and also has structure simple, feature with low cost.
Embodiment 4.
With the needle of retaining on artery in haemostatic valve and replaceable negative pressure blood return chamber, other structure is identical with embodiment 1 or 2, and difference is: resilient mounting is set to silica gel spring, and resilient mounting is assemblied between spool bottom and main pipe.Utilize silica gel spring, there is resilience good, easy to operate feature.
Embodiment 5.
With the needle of retaining on artery in haemostatic valve and replaceable negative pressure blood return chamber, other structure is identical with embodiment 1 or 2, and difference is: resilient mounting is set to metal spring, and resilient mounting is assemblied between spool bottom and main pipe.Utilize metal spring, there is resilience good, easy to operate feature.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model but not restriction to this utility model protection domain; although be explained in detail this utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. the needle of retaining on artery with haemostatic valve and replaceable negative pressure blood return chamber, it is characterized in that: be provided with outer catheter assembly, interior draw point assembly, blood back cavity and cap, described interior draw point assembled is in described outer catheter assembly, and described blood back cavity assembles with described interior draw point assembly, described cap respectively;
Described outer catheter assembly is provided with puncture conduit, catheter block and main pipe;
Described interior draw point assembly is provided with draw point body and draw point seat;
Described draw point body is fixedly connected with described draw point seat, and described puncture conduit is fixedly connected with described catheter block, described puncture sheathed catheter be located at described draw point body and the cutting tip partial denudation of described draw point body in described puncture conduit;
Described catheter block is provided with main chamber, and described draw point seat and described main chamber are assembled, and described main pipe is assemblied in described main chamber, and described draw point body is through described main pipe; Described catheter block is also provided with the haemostatic valve making described main pipe's conducting or closedown;
Described blood back cavity is detachable is assemblied in described draw point seat, and described cap is assemblied in described blood back cavity.
2. the needle of retaining on artery in band haemostatic valve according to claim 1 and replaceable negative pressure blood return chamber, it is characterized in that: described haemostatic valve is provided with spool and valve seat, described valve seat is fixed on described catheter block and is communicated with described main chamber, and described spool is assemblied in described valve seat;
Described valve seat is provided with the upper slot and lower slot that are interconnected, and described spool is provided with card column, and described card column is fixed by described upper slot or described lower slot.
3. the needle of retaining on artery in band haemostatic valve according to claim 2 and replaceable negative pressure blood return chamber, it is characterized in that: described upper slot is provided with screens, described lower slot is provided with lower screens, described upper screens is fixedly installed on the end of described upper slot and is communicated with described upper slot, and described lower screens is arranged at the end of described lower slot and is communicated with described lower slot.
4. the needle of retaining on artery in band haemostatic valve according to claim 1 and replaceable negative pressure blood return chamber, it is characterized in that: described haemostatic valve is provided with spool and valve seat, described valve seat is fixed on described catheter block and is communicated with described main chamber, and described spool is assemblied in described valve seat;
Described valve seat is provided with pressing spanner, and described pressing spanner is provided with button, and described spool is provided with above detains corresponding multiple lower button with described, and described lower button is fixed by described upper button.
5. the needle of retaining on artery in the band haemostatic valve according to claim 2 or 4 and replaceable negative pressure blood return chamber, is characterized in that: be also provided with resilient mounting, and described resilient mounting is the main pipe of silica gel material.
6. the needle of retaining on artery in the band haemostatic valve according to claim 2 or 4 and replaceable negative pressure blood return chamber, is characterized in that: be also provided with resilient mounting, and described resilient mounting is assemblied between described spool bottom and described main pipe.
7. the needle of retaining on artery in band haemostatic valve according to claim 6 and replaceable negative pressure blood return chamber, is characterized in that: described resilient mounting is set to silica gel or is set to metal spring.
8. the needle of retaining on artery in the band haemostatic valve according to claim 2 or 4 and replaceable negative pressure blood return chamber, is characterized in that: described spool bottom is set to globoidal structure, and described spool top is provided with pressing position.
9. the needle of retaining on artery in the band haemostatic valve according to claim 2 or 4 and replaceable negative pressure blood return chamber, it is characterized in that: described main pipe assembles by front rivet, rear rivet and described catheter block are fixing, and described front rivet, described rear rivet are respectively arranged with the through hole by draw point body.
10. the needle of retaining on artery in the band haemostatic valve according to claim 2 or 4 and replaceable negative pressure blood return chamber, is characterized in that: the end of described blood back cavity is provided with negative pressure exhaust joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026099.9U CN205163057U (en) | 2015-12-12 | 2015-12-12 | Needle is kept somewhere to artery of taking hemostasis valve and removable negative pressure to return haemocoele |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026099.9U CN205163057U (en) | 2015-12-12 | 2015-12-12 | Needle is kept somewhere to artery of taking hemostasis valve and removable negative pressure to return haemocoele |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205163057U true CN205163057U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521026099.9U Withdrawn - After Issue CN205163057U (en) | 2015-12-12 | 2015-12-12 | Needle is kept somewhere to artery of taking hemostasis valve and removable negative pressure to return haemocoele |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205163057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326487A (en) * | 2015-12-12 | 2016-02-17 | 广州妥谱医疗设备有限公司 | Arterial indwelling needle provided with hemostasis valve and replaceable negative-pressure blood return cavity |
-
2015
- 2015-12-12 CN CN201521026099.9U patent/CN205163057U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326487A (en) * | 2015-12-12 | 2016-02-17 | 广州妥谱医疗设备有限公司 | Arterial indwelling needle provided with hemostasis valve and replaceable negative-pressure blood return cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20171103 |
|
| AV01 | Patent right actively abandoned |