CN202761393U - Puncture needle with bore diameter capable of being adjusted - Google Patents
Puncture needle with bore diameter capable of being adjusted Download PDFInfo
- Publication number
- CN202761393U CN202761393U CN 201220341125 CN201220341125U CN202761393U CN 202761393 U CN202761393 U CN 202761393U CN 201220341125 CN201220341125 CN 201220341125 CN 201220341125 U CN201220341125 U CN 201220341125U CN 202761393 U CN202761393 U CN 202761393U
- Authority
- CN
- China
- Prior art keywords
- puncture needle
- connecting portion
- puncture
- needle
- steel ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a puncture needle with bore diameter capable of being adjusted. The puncture needle with the bore diameter capable of being adjusted comprises a pipe diameter adjusting device and a pipe body, wherein the pipe body is formed by rolling sheet metal material and provided with a sealed channel on the middle portion. The puncture needle with the bore diameter capable of being adjusted is ingenious and reasonable in structural design. The pipe diameter of the puncture needle can be flexibly controlled through the pipe diameter adjusting device, different puncture requirements can be met, the success rate of puncture is greatly improved, and the phenomenon that a deep vein can not be punctured when the puncture needle is used for puncturing though a fine needle can be stuck into the deep vein and returning blood can be drawn is avoided. Meanwhile, the occurrence rate of complication in operation is reduced, and therefore safety and effectiveness of the operation are ensured. The puncture needle with the bore diameter capable of being adjusted is especially suitable for the puncture for a patient with a coagulation dysfunction. Besides, due to the fact that puncture steps are simplified, average operation time can be greatly shortened, and pain of the patient is eased. Due to the fact that operation is easy, requirements on puncture technique for a doctor are reduced, and accuracy and the success rate of an operation are greatly improved. In addition, the puncture needle with the bore diameter capable of being adjusted is simple and compact in overall structure, easy to achieve, low in cost and beneficial for wide popularization and application.
Description
Technical field
This utility model relates to the medical instruments field technology, particularly a kind of adjustable aperture puncture needle.
Background technology
At present, central venous puncture is widely used clinically, be clinical in indispensable treatment measure, it is mainly used in:
1, opens rapidly the large vein passage, be convenient to the rescues such as transfusion, blood transfusion and be able to smooth enforcement.Rescue anxious through being everlasting, the danger patient is used, and is common when emergency department and rescue.
2, the pressure of monitoring center's vein instructs the input of clinical liquid.Use among the patient in shock patient and operation.
3, big-and-middle-sized surgical patient because for a long time fasting, uses when carrying out the intravenous nutrition treatment when needing the fasting of long period.
4, in order to place temporarily or permanently pacemaker, be usually used in arrhythmic patients.
5, phlebography or transvenous interventional therapy: as carry out hemodialysis or blood will be replaced placement of filtration (blood filter), vein support etc.
6, tumour patient usually is to carry out chemotherapy by central vein, in order to protect peripheral blood vessel and to prevent exosmosing of chemotherapeutics and the cutaneous necrosis that causes.
As seen by above-mentioned, it is very widely that puncture needle is used in clinical position, uses thicker puncture needle instead behind the fine needle aspiration spy position that present puncture step typically uses again and punctures, to improve the success rate of puncture.Yet fine needle in clinical manipulation, often occurs and can visit dark vein, be extracted into blood back, but when using lancet puncture instead, be difficult to through dark vein, therefore need the success of repeatedly puncture ability, this will greatly increase to patient's wound and and such as the incidence rate of the complication such as local hematoma, hemothorax, local infection, septicemia, exist potential safety hazard, be difficult to guarantee safety and the effectiveness of performing the operation.Need simultaneously to prepare other related medical apparatuses such as thin puncture needle before the operation, cause certain waste, be unfavorable for environmental protection, also be unfavorable for cost control.
The utility model content
For above-mentioned deficiency, this utility model purpose is, provides a kind of structural design ingenious, reasonable, and the aperture of energy flexible puncture needle satisfy different puncture requirements, and wound is little, the adjustable aperture puncture needle that safety and effectiveness are high.
This utility model for achieving the above object, the technical scheme that provides is:
A kind of adjustable aperture puncture needle, it comprises that a pipe diameter adjusting device and adopts that flaky metallic material is curling to be formed, and the middle part has the body of seal channel, this body one end is provided with needle point, described pipe diameter adjusting device is set on the described body, and this pipe diameter adjusting device cover is interference fit with body.
Described pipe diameter adjusting device comprises an adjusting bolt and a locking needle guard circle, this locking needle guard circle comprises that one has the steel ring of opening, opening one side of this steel ring is provided with the first connecting portion, and this first connecting portion is provided with a through hole that passes for the screw rod of described adjusting bolt; The opening opposite side of this steel ring is provided with the second connecting portion, this second connecting portion be provided with one with screw rod and the adaptive screwed hole of joining of described adjusting bolt, the screw rod of described adjusting bolt runs through the through hole on described the first connecting portion and screws in screwed hole on described the second connecting portion.
Described pipe diameter adjusting device comprises that also one is used for showing the scale strip of the diameter dimension of described body seal channel, this scale strip one end is connected on described the first connecting portion or the second connecting portion, the other end extends along the circumferential direction of described locking needle guard circle, and fits with the inwall of this locking needle guard circle.
Be integrated syndeton between described steel ring and the first connecting portion.
Described steel ring and the second connecting portion are integrated syndeton.
It also comprises an Elastic plastic-rubber pipe, and an end of this Elastic plastic-rubber pipe is socketed in the described body other end, and the other end of this Elastic plastic-rubber pipe is used for being connected with needle stand.
Described needle stand is provided with a passage that is used for placing seal wire, and this passage is connected with the pipeline of described Elastic plastic-rubber pipe.
Described steel ring is provided with a fixed support, and this fixed support one end and steel ring fix, and the other end and described needle stand fix.
The beneficial effects of the utility model are: this utility model structural design is ingenious, reasonable, can control flexibly the caliber of puncture needle by pipe diameter adjusting device, satisfies the requirement of different punctures, applied range; When puncture, first the caliber of puncture needle is turned down, namely reach the effect of fine needle, after puncture spy position is accurate, regulating pipe diameter adjusting device increases the caliber of puncture needle, namely reach the effect of bodkin, greatly improve the success rate of puncture, avoid occurring fine needle and can visit dark vein and be extracted into blood back, but when using lancet puncture instead, be difficult to phenomenon through dark vein, reduce simultaneously the incidence rate of the complication of operation, guarantee the safety and the effectiveness that operate, puncture to the dysfunction of blood coagulation patient is particularly applicable, and the safety of Effective Raise operation reduces the generation of malpractice; And owing to having simplified the puncture step, can greatly shorten average operating time, alleviate the patient suffering, and since simple to operate, the requirement to doctor's puncture technique reduced, greatly improve accuracy and the success rate of operation.In addition, overall structure is simple, compact, is easy to realize, cost is low, is beneficial to wide popularization and application, uses simultaneously this utility model to operate the use that has reduced at least one disposable syringe at every turn, is conducive to cost control and environmental protection.
Below in conjunction with accompanying drawing and embodiment, this utility model is further specified.
Description of drawings
Fig. 1 is the structural representation of facing of this utility model the first embodiment;
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1;
Fig. 3 is the structural representation of facing of this utility model the second embodiment;
Fig. 4 is the A-A sectional structure schematic diagram of Fig. 3.
The specific embodiment
The first embodiment: referring to Fig. 1 and Fig. 2, this utility model embodiment provides a kind of adjustable aperture puncture needle, it comprises that a pipe diameter adjusting device 2 and adopts that flaky metallic material is curling to be formed, and the middle part has the body 1 of seal channel, these body 1 one ends are provided with needle point 11, described pipe diameter adjusting device 2 is set on the described body 1, and these pipe diameter adjusting device 2 covers are interference fit with body 1.
Described pipe diameter adjusting device 2 comprises an adjusting bolt 21 and a locking needle guard circle 22, this locking needle guard circle 22 comprises that one has the steel ring of opening, opening one side of this steel ring is provided with the first connecting portion 23, and this first connecting portion 23 is provided with a through hole that passes for the screw rod of described adjusting bolt 21; The opening opposite side of this steel ring is provided with the second connecting portion 24, this second connecting portion 24 be provided with one with screw rod and the adaptive screwed hole of joining of described adjusting bolt 21, the screw rod of described adjusting bolt 21 runs through the through hole on described the first connecting portion 23 and screws in screwed hole on described the second connecting portion 24.
Described pipe diameter adjusting device 2 comprises that also one is used for showing the scale strip 3 of the diameter dimension of described body 1 seal channel, these scale strip 3 one ends are connected on described the first connecting portion 23 or the second connecting portion 24, the other end extends along the circumferential direction of described locking needle guard circle 22, and fits with the inwall of this locking needle guard circle 22.Be integrated syndeton between described steel ring and the first connecting portion 23.Described steel ring and the second connecting portion 24 are integrated syndeton.
It also comprises an Elastic plastic-rubber pipe 4, and an end of this Elastic plastic-rubber pipe 4 is socketed in described body 1 other end, and the other end of this Elastic plastic-rubber pipe 4 is used for being connected with needle stand 5.
Described needle stand 5 is provided with a passage 6 that is used for placing seal wire, and this passage 6 is connected with the pipeline of described Elastic plastic-rubber pipe 4.
The second embodiment: referring to Fig. 3 and Fig. 4, itself and the first embodiment are basic identical, distinctive points is that the bearing of trend of the first connecting portion 23 and steel ring are tangent, namely this first connecting portion 23 deviates from the center of body 1, head and the body 1 of adjusting bolt 21 are staggered, can with the head design of this adjusting bolt 21 more greatly, use with convenient the adjusting.Be provided with a fixed support 7 at steel ring in addition, these fixed support 7 one ends and steel ring fix, and the other end and described needle stand 5 fix.Avoid the situation that occurs swinging in when puncture, improve safety and the effectiveness of operation.
Before puncture, need to determine the position of point of puncture, behind the location, partly sterilised, spread single, connect the 10ml syringe by needle stand 5, adjusting pipe diameter adjusting device 2 is adjusted to fine pore with the caliber of puncture needle, namely reaches the effect of fine needle, extract local anaesthesia medicine (lignocaine), after the local infiltration anesthesia of point of puncture inserting needle, the band negative pressure is visited behind dark vein (if fail once to fail to visit dark vein to deep depth sounding vein, regulating a little puncture direction or the degree of depth), keep puncture needle locality constant, directly regulate pipe diameter adjusting device 2 aperture adjustment of puncture needle is become the gross porosity footpath, namely reach the effect of bodkin, after then inserting seal wire, the withdraw of the needle is inserted central venous catheter along seal wire, and length is the A/C of 15cm.Namely finish operation process.Greatly improve the success rate of puncture, avoiding occurring fine needle can visit dark vein and be extracted into blood back, but when using lancet puncture instead, be difficult to the phenomenon through dark vein, reduce simultaneously the complication of operation, guarantee the safety and the effectiveness that operate, the safety of Effective Raise puncture operation reduces the generation of malpractice; And owing to being the one-time puncture success, can greatly shorten operating time, and reduce the patient suffering, simple to operate, expense is low, reduces the dependence to Doctors' skill, improves accuracy and the success rate of operation.
As described in this utility model above-described embodiment, adopt structure same or similar with it and other puncture needle of obtaining, all in this utility model protection domain.
Claims (8)
1. adjustable aperture puncture needle, it is characterized in that, it comprises that a pipe diameter adjusting device and adopts that flaky metallic material is curling to be formed, and the middle part has the body of seal channel, this body one end is provided with needle point, described pipe diameter adjusting device is set on the described body, and this pipe diameter adjusting device cover is interference fit with body.
2. adjustable aperture puncture needle according to claim 1, it is characterized in that, described pipe diameter adjusting device comprises an adjusting bolt and a locking needle guard circle, this locking needle guard circle comprises that one has the steel ring of opening, opening one side of this steel ring is provided with the first connecting portion, and this first connecting portion is provided with a through hole that passes for the screw rod of described adjusting bolt; The opening opposite side of this steel ring is provided with the second connecting portion, this second connecting portion be provided with one with screw rod and the adaptive screwed hole of joining of described adjusting bolt, the screw rod of described adjusting bolt runs through the through hole on described the first connecting portion and screws in screwed hole on described the second connecting portion.
3. adjustable aperture puncture needle according to claim 2, it is characterized in that, described pipe diameter adjusting device comprises that also one is used for showing the scale strip of the diameter dimension of described body seal channel, this scale strip one end is connected on described the first connecting portion or the second connecting portion, the other end extends along the circumferential direction of described locking needle guard circle, and fits with the inwall of this locking needle guard circle.
4. adjustable aperture puncture needle according to claim 2 is characterized in that, is integrated syndeton between described steel ring and the first connecting portion.
5. adjustable aperture puncture needle according to claim 2 is characterized in that, described steel ring and the second connecting portion are integrated syndeton.
6. adjustable aperture puncture needle according to claim 2 is characterized in that, it also comprises an Elastic plastic-rubber pipe, and an end of this Elastic plastic-rubber pipe is socketed in the described body other end, and the other end of this Elastic plastic-rubber pipe is used for being connected with needle stand.
7. adjustable aperture puncture needle according to claim 6 is characterized in that, described needle stand is provided with a passage that is used for placing seal wire, and this passage is connected with the pipeline of described Elastic plastic-rubber pipe.
8. adjustable aperture puncture needle according to claim 6 is characterized in that, described steel ring is provided with a fixed support, and this fixed support one end and steel ring fix, and the other end and described needle stand fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341125 CN202761393U (en) | 2012-07-16 | 2012-07-16 | Puncture needle with bore diameter capable of being adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220341125 CN202761393U (en) | 2012-07-16 | 2012-07-16 | Puncture needle with bore diameter capable of being adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202761393U true CN202761393U (en) | 2013-03-06 |
Family
ID=47768007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220341125 Expired - Fee Related CN202761393U (en) | 2012-07-16 | 2012-07-16 | Puncture needle with bore diameter capable of being adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202761393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784862A (en) * | 2012-07-16 | 2012-11-21 | 孙传政 | Manufacturing method of puncture needle with adjustable pore diameter and puncture outfit thereof |
| CN107149492A (en) * | 2017-06-03 | 2017-09-12 | 成都五义医疗科技有限公司 | A kind of reducing casing tube device and puncture outfit with driving structure |
-
2012
- 2012-07-16 CN CN 201220341125 patent/CN202761393U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784862A (en) * | 2012-07-16 | 2012-11-21 | 孙传政 | Manufacturing method of puncture needle with adjustable pore diameter and puncture outfit thereof |
| CN102784862B (en) * | 2012-07-16 | 2015-03-04 | 孙传政 | Manufacturing method of puncture needle with adjustable pore diameter and puncture outfit thereof |
| CN107149492A (en) * | 2017-06-03 | 2017-09-12 | 成都五义医疗科技有限公司 | A kind of reducing casing tube device and puncture outfit with driving structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203861690U (en) | Vein detained needle capable of preventing needling | |
| CN202761393U (en) | Puncture needle with bore diameter capable of being adjusted | |
| CN102784862B (en) | Manufacturing method of puncture needle with adjustable pore diameter and puncture outfit thereof | |
| CN202875904U (en) | Forearm fixer for hematodialysis | |
| CN107854748A (en) | A kind of oxytocin syringe pump reponse system | |
| CN203749423U (en) | Anti-puncture medical needle | |
| CN207412512U (en) | Calparine cap with decompression function | |
| CN209392050U (en) | A kind of department of anesthesia's combined anesthesia puncture needle | |
| CN107789687B (en) | Novel therapeutic apparatus for popliteal fossa cyst | |
| CN208591397U (en) | A kind of neurosurgical catheters | |
| CN209500431U (en) | Lower resistance batching pig and lower resistance venous detaining needle | |
| CN208389086U (en) | A kind of venous diploe of skull infusion device | |
| CN206852895U (en) | Cvc | |
| CN208081604U (en) | Retraction type intravenous infusion needle | |
| CN207237042U (en) | A kind of combined type vein transfusion port not damaged pin puncture fixator | |
| CN205903510U (en) | Peritoneal dialysis catheters angle fixed device of abdominal cavity operation usefulness | |
| CN202184754U (en) | Self-suction positioning type minimally invasive surgery cannula | |
| CN216824359U (en) | Protection device for preventing transfusion needle head from being injured | |
| CN204319433U (en) | A kind of heat insulation heating transfusion fixing head | |
| CN213131241U (en) | Anti-drop device for venous transfusion port | |
| CN216933230U (en) | Butterfly wing type safety venous blood taking needle | |
| CN215914839U (en) | Novel pneumothorax first-aid device for cardiothoracic surgery nursing | |
| CN215018365U (en) | Arm infusion port pulls out needle hemostasis device | |
| CN209332968U (en) | Deep venous puncture device | |
| CN202128515U (en) | Deep vein stabber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |