CN203169162U - One-time artery difficult puncture needle - Google Patents
One-time artery difficult puncture needle Download PDFInfo
- Publication number
- CN203169162U CN203169162U CN 201320073163 CN201320073163U CN203169162U CN 203169162 U CN203169162 U CN 203169162U CN 201320073163 CN201320073163 CN 201320073163 CN 201320073163 U CN201320073163 U CN 201320073163U CN 203169162 U CN203169162 U CN 203169162U
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- needle
- puncture
- closing member
- nook closing
- puncture needle
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Abstract
The utility model relates to a one-time artery difficult puncture needle which comprises a plastic remaining needle, a stainless steel puncture needle core and a guidance needle core. The remaining needle is provided with a manometry catheter connecting pipe and a rubber check valve so that blood overflowing of a patient in the process of puncture can be avoided. A pencil stub type sample needle head is arranged at the front end of the puncture needle core, the front wall and the rear wall of the pencil stub type sample needle head are respectively provided with one blood return groove, and in the process of puncture, excessive damage to the arterial wall is reduced. A red strip, a yellow strip and a green strip coat the rear segment of a guidance needle core body, the red strip, the yellow strip and the green strip are different in length, and operations of medical workers can be clearly guided. The guidance needle core guides the puncture needle core to completely enter a blood vessel or guides the guidance needle core to directly conduct puncture, the catheterization success rate of a common arteriopuncture is improved, and meanwhile the problem that when the blood pressure is low or the blood vessel deforms, the difficult artery is difficult to puncture is solved. The one-time artery difficult puncture needle has the advantages of being simple in structure, simple and convenient to operate, high in puncture catheterization success rate, capable of avoiding blood overflowing and the like, is suitable for being used by the medical workers, who primarily learn the arteriopuncture, of all levels, and is particularly suitable for artery difficult puncture catheterization.
Description
Technical field
This utility model relates to a medical apparatus and instruments, is the disposable tremulous pulse difficulty puncture needle that wound intra-arterial blood pressure is arranged for monitoring.
Background technology
Clinically, need continue to monitor blood pressure for critical surgical patient or Intensive Care Therapy patient, adopt invasive monitoring of blood pressure usually, namely adopt needle of retaining on artery to insert tremulous pulse, connect the tremulous pulse pressure tester again, the variation of at-once monitor arteriotony.Successful arterypuncture is the prerequisite that the pressure measurement of wound tremulous pulse is arranged.This type of patient occurs easily that blood pressure is low, the problem of vascular malformation, when putting pipe in addition resistance or tremulous pulse being arranged by repeated localised puncture, tremulous pulse is easy to occur spasm, causes puncture failure or the medical worker will could success through puncture repeatedly, wastes time and energy and is unfavorable for safety monitoring.At present the arterial puncture needle that uses clinically is of all kinds, but all has following defective: it is low that (1) arterypuncture is put the pipe success rate, particularly runs into the low or vascular malformation of blood pressure or when repeatedly puncturing again after the repeated localised puncture.The rustless steel needle tubing of the puncture needle of Shi Yonging has a bigger bevel needle clinically, and than the about 1mm of remaining needle pipe range, put in the pipe process, even blood back occurs in the inserting needle rear tube seat bore passages, the syringe needle that the rustless steel needle tubing can only be described partly or entirely inserts in the arteries, also inserted in the arteries and can not guarantee to be enclosed within the outer plastics indwelling needle tubing of rustless steel needle tubing, just do not put pipe in the arteries if the front end of plastics indwelling needle tubing enters fully, caused failure easily.Even manage successfully if put by force this moment to manage to put, also easily cause plastics to keep somewhere the front end distortion of needle tubing, influence the accuracy of invasive monitoring of blood pressure.(2) arterial puncture needle successfully thrust tremulous pulse artery blood can be along the needle tubing reverse backflow, if in time do not close hemostatic clamp or press tremulous pulse or the position of pressing inaccurate etc., very easily cause arterial blood to overflow or spray from catheter block tail end or needle tubing tail end, pollute operating area or medical worker's health, serious threat is to medical worker's medical safety.(3) rustless steel needle tubing inclined-plane is long, if the angle of puncture needle and tremulous pulse is excessive during puncture, stings the perforating arteries rear wall easily, and arterial blood oozes out outside the ductus arteriosus wall by the rear wall pin hole, produces local hematoma, even the compressing tremulous pulse.(4) common arterial puncture needle does not have quick arterial blood acquisition channel, and it is inconvenient or difficult to gather arterial blood by arterial puncture needle.
Summary of the invention
The purpose of this utility model be to provide a kind of easy and simple to handle, put pipe success rate height, will solve the disposable tremulous pulse difficulty puncture needle of arterypuncture difficulties such as blood pressure is low, vascular malformation when can avoid blood excessive.
For achieving the above object, the technical solution of the utility model is: disposable tremulous pulse difficulty puncture needle comprises plastics remaining needle, rustless steel puncture nook closing member and guiding nook closing member.
Described plastics remaining needle is by keeping somewhere needle tubing, be connected in the catheter block of keeping somewhere the needle tubing tail end and place the rubber check (non-return) valve of catheter block inner chamber to form, and remaining needle is the north one-tenth of transparent plastic.Catheter block hollow, be provided with the pressure catheter connection tube, connection tube head end outer peripheral face has external screw thread, but be connected with the pressure catheter close and firm, connection tube is provided with hemostatic clamp, connection mouth of pipe trailing edge in the catheter block is provided with a thicker rubber check (non-return) valve, and the catheter block tail end has a fossaperturate that matches with handle.
Described rustless steel puncture nook closing member is made up of needle body, needle stand and handle, needle body is common medical stainless steel syringe needle tube, tube wall is provided with a plurality of blood back grooves, needle stand end end is provided with tailstock, tailstock is a kind of rubber check (non-return) valve, the catheter block fossaperturate of handle front end and remaining needle tail end matches, puncture needle nook closing member front end exceeds to be kept needle tubing and partly is diminishing pencil style, the nook closing member front end has a little inclined-plane, hole just in time can be by the guiding nook closing member, and puncture nook closing member front end pencil stub part front and rear wall respectively is provided with a blood back groove.
Described guiding nook closing member is made up of guide needle core body and guiding nook closing member tail end, the guide needle core body is interior sky, its external diameter size is just in time identical with puncture needle core print end pin hole internal diameter, and the guide needle core back-end connects guiding nook closing member tail end, and its tail end is to the interface that coincide with syringe nipple.Guide needle core body rear portion periphery scribbles reddish yellow and does not wait vitta for green three kinds, guide needle core print end and puncture needle core print are held level with both hands when neat, the length that begins to prolong backward puncture needle core print end pencil stub from puncture nook closing member tail end on the guide needle core body is ended, its previous section scribbles redness, the red bar back segment scribbles a narrow slightly yellow bar, and yellow bar back segment scribbles green bar.
This utility model has at least two kinds to use operational approach:
1. dash full remaining needle and connecting duct by pressure catheter connecting duct interface with rare heparin saline, and closely be connected with pressure catheter.Before the puncture, the guiding nook closing member that is connected with the syringe of rare heparin saline retreats to the puncture needle core body, directly with puncture needle pencil head puncture tremulous pulse, when the indwelling needle catheter seat has red blood to reflux, set level puncture needle and continue inserting needle, insert the remaining needle pipe after the blood backflow is unobstructed and withdraw from the puncture nook closing member, perhaps set level and push away before guiding behind the puncture needle nook closing member slowly earlier, reaching green bar pumpback syringe blood refluxes when unobstructed, after being pushed into the firm yellow bar that can see on the guide needle core body before the puncture needle, insert the remaining needle pipe, withdraw from the puncture nook closing member.
2. it is low to work as blood pressure, after vascular malformation or the repeated localised puncture puncture appears at need, the guiding nook closing member that will be connected with the syringe of rare heparin saline earlier passes puncture needle core print end, directly carry out arterypuncture with the guiding nook closing member, after the guiding nook closing member enters tremulous pulse, make the assistant oppress the far and near end of point of puncture, reserve one section tremulous pulse, the operator injects rare heparin saline by the guiding nook closing member then, the tremulous pulse that artificial expansion is reserved, pushing away the guiding nook closing member before the continuation reaches green bar safe place pumpback syringe blood and refluxes when unobstructed, after being pushed into the firm yellow bar that can see on the guide needle core body before the puncture needle, insert the remaining needle pipe, withdraw from the puncture nook closing member.
Description of drawings
Fig. 1 is the perspective view of the disposable tremulous pulse difficulty of this utility model puncture needle;
Fig. 2 is the profilograph of the disposable tremulous pulse difficulty of this utility model puncture needle;
Fig. 3 is the remaining needle structural representation of the disposable tremulous pulse difficulty of this utility model puncture needle;
Fig. 4 is the rustless steel puncture needle cored structure sketch map of the disposable tremulous pulse difficulty of this utility model puncture needle;
Fig. 5 is the guide needle cored structure sketch map of the disposable tremulous pulse difficulty of this utility model puncture needle.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the embodiment for the disposable tremulous pulse difficulty of this utility model puncture needle comprises: plastics remaining needle 1, rustless steel puncture nook closing member 2 and guiding nook closing member 3.
Described plastics remaining needle 1 is by keeping somewhere needle tubing 11, be positioned at the catheter block 12 of keeping somewhere needle tubing 11 tail ends and place the rubber check (non-return) valve 13 of catheter block inner chamber to form, and remaining needle 1 is the north one-tenth of transparent plastic.Catheter block 12 hollows, be provided with pressure catheter connection tube 14, connection tube head end 141 outer peripheral faces have external screw thread 142, but be connected with the pressure catheter close and firm, connection tube 14 is provided with hemostatic clamp 143, the connection mouth of pipe 144 trailing edges in the catheter block 12 are provided with a thicker rubber check (non-return) valve 13, and catheter block 12 tail ends have a fossaperturate 15 that matches with handle 23.
Described rustless steel puncture nook closing member 2 is by needle body 21, needle stand 22 and handle 23 are formed, needle body 21 is common medical stainless steel syringe needle tube, tube wall is provided with a plurality of blood back grooves 211, needle stand 22 ends are provided with tailstock, tailstock is a kind of rubber check (non-return) valve 221, catheter block 12 fossaperturates 15 of handle 23 front ends and remaining needle 1 tail end match, puncture needle nook closing member 2 front ends exceed indwelling needle tubing 11 parts 212 and are diminishing pencil style, nook closing member 21 front ends have a little inclined-plane 2121, hole just in time can be by guiding nook closing member 3, and puncture nook closing member 2 front end pencil stub parts 212 front and rear walls respectively are provided with a blood back groove 2122.
Described guiding nook closing member 3 is made up of guide needle core body 31 and guiding nook closing member tail end 32, guide needle core body 31 is interior skies, its external diameter size is just in time identical with puncture needle core print end pin hole 2121 internal diameters, guide needle core body 31 rear ends connect guiding nook closing member tail end 32, and its tail end is the interface 321 that matches with syringe nipple.Guide needle core body 31 rear portion peripheries scribble reddish yellow and do not wait vitta for green three kinds, when guiding nook closing member 3 head ends are concordant with puncture nook closing member 2 head ends, the length that prolongs puncture needle core print end pencil stub 212 backward from 2211 beginnings of puncture nook closing member tail end trailing edge on guide needle core body 31 is ended, its previous section scribbles redness, red bar 311 back segments scribble a narrow slightly yellow bar 312, and yellow bar 312 back segments scribble green bar 313.
Operational approach 1: dash full remaining needle 1 and connecting duct 14 by the rare heparin saline 5 of pressure catheter connection tube interface 144 usefulness, and closely be connected with pressure catheter.Before the puncture, the guiding nook closing member 3 that is connected with the syringe 4 of rare heparin saline 5 retreats to puncture needle core body 21, directly with puncture needle pencil head 212 puncture tremulous pulsies, when indwelling needle catheter seat 12 has red blood to reflux, set level puncture needle and continue inserting needle, insert remaining needle pipe 11 after the blood backflow is unobstructed and withdraw from puncture nook closing member 3, perhaps set level and push away before guiding behind the puncture needle nook closing member 3 slowly earlier, reaching green bar 313 pumpback syringes 4 blood refluxes when unobstructed, after being pushed into the firm yellow bar 312 that can see on the guide needle core body 31 before the puncture needle, insert remaining needle pipe 11, withdraw from puncture nook closing member 3.
Operational approach 2: when blood pressure low, after vascular malformation or the repeated localised puncture puncture appears at need, the guiding nook closing member 3 that will be connected with the syringe 4 of rare heparin saline 5 earlier passes puncture needle core print end 2121, directly carry out arterypuncture with guiding nook closing member 3, after guiding nook closing member 3 enters tremulous pulse, make the assistant oppress the far and near end of point of puncture, reserve one section tremulous pulse, the operator is by the rare heparin saline 5 of guiding nook closing member 3 injections then, the tremulous pulse that artificial expansion is reserved, pushing away guide needle core body 31 before the continuation reaches green bar 313 safe place pumpback syringes 4 blood and refluxes when unobstructed, after being pushed into the firm yellow bar 312 that can see on the guide needle core body 31 before the puncture needle, insert remaining needle pipe 11, withdraw from puncture nook closing member 2.
The utlity model has following positive beneficial technical effects:
1. operate easy to usely, the medical worker does not need special training just can operate use.Puncture needle core print end pencil style can reduce the poly-injury of crossing of arterial wall, also can guarantee can continue to advance smoothly to be beneficial to insert the indwelling needle tubing after puncture needle thrusts tremulous pulse; Injecting rare heparin saline by the guiding nook closing member artificially expands than small artery or spasm tremulous pulse, the reddish yellow green bar that guide needle core body back segment is coated with clearly instructs the medical worker to operate, be particularly suitable for learning for the first time the young medical worker of arterypuncture, can be for young medical worker to practise the technology that arterypuncture provides proper operation, one-time puncture is put pipe success rate height.
2. applied widely, can be used for clinical patient arterypuncture, establish wound arteriotony monitoring pipeline, extract arterial blood specimen etc., be particularly suitable for that blood pressure is low, occur the arterypuncture of puncture difficulty after vascular malformation or the repeated localised puncture, set up invasive monitoring of blood pressure fast for this type of tremulous pulse safety guarantee is provided.
3. safe, except puncture and intubation success rate height, blood samples of patients is in the pipe sealing state all the time when also being embodied in puncture; the loss that reduces or stop patient's blood flow; avoid blood flow to overflow pollution to operating area and medical worker, protection medical worker, the propagation of prevention iatrogenic disease.
Claims (8)
1. disposable tremulous pulse difficulty puncture needle, comprise plastics remaining needle, rustless steel puncture nook closing member, guiding nook closing member, it is characterized in that the plastics remaining needle is by keeping somewhere needle tubing, catheter block and placing the rubber check (non-return) valve of catheter block inner chamber to form, rustless steel puncture nook closing member is made up of needle body, needle stand and handle, and the guiding nook closing member is made up of guide needle core body and guiding nook closing member tail end.
2. disposable tremulous pulse difficulty puncture needle according to claim 1 is characterized in that: described remaining needle is that transparent plastic is north to be become, and catheter block hollow is provided with the pressure catheter connection tube.
3. disposable tremulous pulse difficulty puncture needle according to claim 1 and 2, it is characterized in that: described connection tube head end outer peripheral face has external screw thread, connection tube is provided with hemostatic clamp, connect mouth of pipe trailing edge one rubber check (non-return) valve is arranged, catheter block is connected in keeps somewhere the needle tubing tail end, the catheter block tail end has a fossaperturate, matches with handle.
4. disposable tremulous pulse difficulty puncture needle according to claim 1, it is characterized in that: described needle body is common medical stainless steel syringe needle tube, a plurality of blood back grooves are arranged on the tube wall, the needle stand end has tailstock, tailstock is a kind of rubber check (non-return) valve, and puncture needle nook closing member front end exceeds the remaining needle tube portion and is the pencil stub style.
5. disposable tremulous pulse difficulty puncture needle according to claim 4, it is characterized in that: described nook closing member front end has a little inclined-plane, and a hole can be by the guiding nook closing member, and the nook closing member front end pencil stub part that punctures front and rear wall respectively has a blood back groove.
6. disposable tremulous pulse difficulty puncture needle according to claim 1, it is characterized in that: described guide needle core body is interior sky, and its external diameter size equates that with puncture needle core print end pin hole internal diameter the guide needle core back-end connects guiding nook closing member tail end, its tail end is interface, matches with syringe nipple.
7. disposable tremulous pulse difficulty puncture needle according to claim 6, it is characterized in that: described guide needle core body rear portion periphery scribbles the green three kinds of not isometric vittas of reddish yellow, guide needle core print end and puncture needle core print are held level with both hands when neat, the length that begins to prolong backward puncture needle core print end pencil stub from puncture nook closing member tail end on the guide needle core body is ended, its previous section scribbles redness, the red bar back segment scribbles a narrow slightly yellow bar, and yellow bar back segment scribbles green bar.
8. disposable tremulous pulse difficulty puncture needle according to claim 7, it is characterized in that: the reddish yellow green bar that described guide needle core body back segment is coated with can clearly instruct the medical worker to operate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320073163 CN203169162U (en) | 2013-02-16 | 2013-02-16 | One-time artery difficult puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320073163 CN203169162U (en) | 2013-02-16 | 2013-02-16 | One-time artery difficult puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203169162U true CN203169162U (en) | 2013-09-04 |
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ID=49065922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320073163 Expired - Fee Related CN203169162U (en) | 2013-02-16 | 2013-02-16 | One-time artery difficult puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203169162U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948984A (en) * | 2014-04-11 | 2014-07-30 | 李泉 | Arterial remaining needle capable of displaying arterial pulsation |
| CN107789040A (en) * | 2016-08-31 | 2018-03-13 | 江苏阳普医疗科技有限公司 | A kind of safety-type medical trocar with position limiting structure |
| CN107789700A (en) * | 2016-08-31 | 2018-03-13 | 邹最 | A kind of tear-away safety-type medical trocar of pumpback part |
| CN107789702A (en) * | 2016-08-31 | 2018-03-13 | 江苏阳普医疗科技有限公司 | A kind of safety-type medical trocar with pumpback guide structure |
| CN107789701A (en) * | 2016-08-31 | 2018-03-13 | 邹最 | A kind of safety-type medical trocar with multichannel infusion channel |
| CN110368070A (en) * | 2018-04-12 | 2019-10-25 | 王增涛 | Blood pressure power guide core paracentesis trocar |
-
2013
- 2013-02-16 CN CN 201320073163 patent/CN203169162U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948984A (en) * | 2014-04-11 | 2014-07-30 | 李泉 | Arterial remaining needle capable of displaying arterial pulsation |
| CN107789040A (en) * | 2016-08-31 | 2018-03-13 | 江苏阳普医疗科技有限公司 | A kind of safety-type medical trocar with position limiting structure |
| CN107789700A (en) * | 2016-08-31 | 2018-03-13 | 邹最 | A kind of tear-away safety-type medical trocar of pumpback part |
| CN107789702A (en) * | 2016-08-31 | 2018-03-13 | 江苏阳普医疗科技有限公司 | A kind of safety-type medical trocar with pumpback guide structure |
| CN107789701A (en) * | 2016-08-31 | 2018-03-13 | 邹最 | A kind of safety-type medical trocar with multichannel infusion channel |
| CN107789040B (en) * | 2016-08-31 | 2024-01-16 | 上海长征医院 | Safe medical trocar with limit structure |
| CN110368070A (en) * | 2018-04-12 | 2019-10-25 | 王增涛 | Blood pressure power guide core paracentesis trocar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140216 |