CN202892554U - Syringe needle - Google Patents
Syringe needle Download PDFInfo
- Publication number
- CN202892554U CN202892554U CN 201220506178 CN201220506178U CN202892554U CN 202892554 U CN202892554 U CN 202892554U CN 201220506178 CN201220506178 CN 201220506178 CN 201220506178 U CN201220506178 U CN 201220506178U CN 202892554 U CN202892554 U CN 202892554U
- Authority
- CN
- China
- Prior art keywords
- needle
- tube
- fixedly connected
- housing unit
- mozzle
- 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 - Lifetime
Links
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a syringe needle comprising a shell assembly, a Luer connecting head, a metal guide tube, a flow guide tube, a spring flexible tube, a needle tube, and a soft sheath, wherein the metal guide tube which is arranged in the shell assembly in a penetrating manner can move, an end of the metal guide tube is fixedly connected the Luer connecting head, the other end of the metal guide tube is fixedly connected with a near-end of the flow guide tube, the flow guide tube is arranged in the spring flexible tube in a penetrating manner and the needle tube is fixed at a far-end of the flow guide tube, a near-end of the spring flexible tube is fixedly connected with the shell assembly, a far-end of the spring flexible tube is connected with the soft sheath which is sleeved outside the needle tube, and the Luer connecting head is movably connected with the shell assembly. The technical solution is characterized in that by pressing the Luer connecting head, the needle tube is driven to penetrate out of the soft sheath and pierce into subcutaneous mucous membrane tissue; and by releasing the Luer connecting head, the needle tube is enabled to withdraw from the soft sheath, and therefore soft head injection can be operated. The syringe needle is advantaged by simple and firm structure, convenience of operation, flexibility, and the like.
Description
Technical field
This utility model relates to a kind of by flexible endoscope pincers road arrival lesion locations, carry out the apparatus of mucosal under layer injection when carrying out polypectomy, EMR, ESD and during EST, relate in particular to and a kind ofly inject or the injection needle for endoscope (hereinafter to be referred as entry needle) of injection of sclerosing agent or hemorrhage during at digestive tract hemorrhage in alimentary canal mucous membrane lower floor.
Background technology
At present, known endoscope-use entry needle is divided into two classes: the first kind mainly is comprised of disposable mozzle and entry needle and reusable pusher.Equations of The Second Kind is that disposable its structure of sclerosis pin is mozzle and entry needle and pusher integrative-structure.More than two class entry needles by endoscope channel arrive need the injection site after, Submucosa is carried out local injection, because the wriggling of human body alimentary canal, can cause the stainless pin hair of rigidity to give birth to displacement, deviate from from the needs injection site or deepen injection depth, the former can make the doctor reinsert and prolong operating time, and the latter can increase the risk of perforation.This is so that the use of entry needle has higher specification requirement to the clinician.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of entry needle, can realize soft head function of injection, and has the advantage such as firm, easy to operate, flexible simple in structure.
To achieve the above object, this utility model has adopted following technical scheme:
A kind of entry needle, comprise housing unit, female Luer, metal catheter, mozzle, spring hose, needle tubing and soft sheath, metal catheter is located in the housing unit and can moves, metal catheter one end is fixedly connected with female Luer, the metal catheter other end is fixedly connected with the mozzle near-end, mozzle is located in the spring hose and at the fixing needle tubing of mozzle far-end, the near-end of spring hose is fixedly connected with housing unit, the far-end of spring hose connects soft sheath, soft sheath is set in the needle tubing outside, wherein, described female Luer and housing unit are flexibly connected.
Press female Luer and make it and housing unit when fixing, needle tubing passes soft sheath, pass through operating apparatus, make needle tubing penetrate subcutaneous mucous membrane tissue, then, unclamp female Luer, needle tubing withdraws from soft sheath, soft sheath still is inserted in the subcutaneous mucous membrane tissue injects, thereby realize soft head function of injection.
As preferably, described housing unit consists of by cooperating up and down on the connector and under the connector.
As preferably, the far-end of described spring hose is limit casing fixedly, and described soft sheath passes limit casing and connected by spacing casing limit.
As preferably, described metal catheter is fixedly connected with restraining position ring block, is arranged with Spring capable of diameter varying on the described metal catheter, and Spring capable of diameter varying one end and spacing ring offset, and the Spring capable of diameter varying other end and housing unit offset.Described spacing ring can prevent that the syringe needle part that is comprised of metal connecting tube and needle tubing and mozzle from oppositely releasing.Described Spring capable of diameter varying is in naturalness lower support female Luer and the syringe needle part that is comprised of metal connecting tube and needle tubing and mozzle is taken in the described spring hose fully.
As preferably, described female Luer is threaded with housing unit.
As preferably, described mozzle far-end is sealedly and fixedly connected by metal connecting tube and needle tubing.
This utility model is owing to adopted above technical scheme, drive needle tubing and pass soft sheath and implement to thrust subcutaneous mucous membrane tissue by pressing female Luer, realize that by discharging female Luer needle tubing withdraws from soft sheath, thereby implement soft head injection, have the advantages such as simple in structure firm, easy to operate, flexible.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is structural representation of the present utility model (broken section);
Fig. 3 is explosive view of the present utility model;
Fig. 4 is the structural representation of needle head structure;
Fig. 5 is the structural representation of Tip protection structure;
Fig. 6 is one of syringe needle user mode figure;
Fig. 7 is two of syringe needle user mode figure;
Fig. 8 is three of syringe needle user mode figure;
Wherein: 1, female Luer; 2, metal catheter; 3, spacing ring; 4, Spring capable of diameter varying; 5, on the connector; 6, under the connector; 7, mozzle; 8, spring hose; 9, metal connecting tube; 10, needle tubing; 11, limit casing; 12, soft sheath.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
Such as Fig. 1, Fig. 2, a kind of entry needle shown in Figure 3, comprise housing unit, female Luer 1, metal catheter 2, mozzle 7, spring hose 8, needle tubing 10 and soft sheath 12, metal catheter 2 is located in the housing unit and can moves, metal catheter 2 one ends are fixedly connected with female Luer 1, metal catheter 2 other ends are fixedly connected with mozzle 7 near-ends, mozzle 7 is located in the spring hose 8 and at the fixing needle tubing 10 of mozzle 7 far-ends, the near-end of spring hose 8 is fixedly connected with housing unit, the far-end of spring hose 8 connects soft sheath 12, soft sheath 12 is set in needle tubing 10 outsides, wherein, described female Luer 1 is flexibly connected with housing unit.Described housing unit by on the connector 5 and connector under 6 cooperate up and down and consist of.The far-end of described spring hose 8 is limit casing 11 fixedly, and described soft sheath 12 passes limit casing 11 and is subjected to limit casing 11 spacing connections.Described metal catheter 2 is fixedly connected with restraining position ring block 3, is arranged with Spring capable of diameter varying 4 on the described metal catheter 2, and Spring capable of diameter varying 4 one ends and spacing ring 3 offset, and Spring capable of diameter varying 4 other ends and housing unit offset.Described female Luer 1 is threaded with housing unit.Described mozzle 7 far-ends are sealedly and fixedly connected by metal connecting tube 9 and needle tubing 10.
In the present embodiment; female Luer 1 and metal catheter 2 cooperations bond together; be welded with spacing ring 3 on the described metal catheter 2 and put mozzle 7 in Spring capable of diameter varying 4 and the pyrocondensation; described mozzle 7 far-ends have the needle head structure that can puncture; as shown in Figure 4; described needle head structure is swaged to seal with mozzle 7 by metal connecting tube 9 and needle tubing 10 and is formed; described spacing ring 3 and become through spring 4 be assembled on the connector 5 and connector under on fluting position in 6 and the pressing connector 5 and connector under 6; metal catheter 2 can relative sliding on by connector 5 and connector under in 6 housing units that form; described mozzle 7 will be through in the spring hose 8; described spring hose 8 far-ends have the head protection structure; as shown in Figure 5; described head protection structure is comprised of soft sheath 12 and limit casing 11, described spring hose 8 be bonded in by on the connector 5 and connector under in 6 housing units that form.
During the operation beginning, screw first female Luer 1, make Spring capable of diameter varying 4 be in the nature straight configuration, owing to making by metal connecting tube 9 and needle tubing 10, the supporting drive that is connected to the spacing ring 3 on the metal catheter 2 partly contracts in spring hose 8 with the syringe needle that mozzle 7 forms, then the far-end with apparatus penetrates in the pincers road of endoscope, after the apparatus far-end exposes the pincers road, by and screw female Luer 1 needle tubing 10 exposed outside the soft sheath 12, controlling apparatus makes the needle tubing head insert Submucosa (as shown in Figure 6), again screw and make needle tubing 10 needle point positions extract Submucosa (as shown in Figure 7), but make soft sheath 12 still stay Submucosa (as shown in Figure 8), by being connected to the medicines such as injector to inject sclerosing agent on the female Luer 1 or hemorrhage, after to be injected the finishing, to the near-end pull handle whole apparatus is pulled out from endoscope, finished shot process.
It is emphasized that: above only is preferred embodiment of the present utility model, is not that this utility model is done any pro forma restriction; Every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (6)
1. entry needle, it is characterized in that, comprise housing unit, female Luer (1), metal catheter (2), mozzle (7), spring hose (8), needle tubing (10) and soft sheath (12), metal catheter (2) is located in the housing unit and can moves, metal catheter (2) one ends are fixedly connected with female Luer (1), metal catheter (2) other end is fixedly connected with mozzle (7) near-end, mozzle (7) is located in the spring hose (8) and at the fixing needle tubing (10) of mozzle (7) far-end, the near-end of spring hose (8) is fixedly connected with housing unit, the far-end of spring hose (8) connects soft sheath (12), soft sheath (12) is set in needle tubing (10) outside, wherein, described female Luer (1) is flexibly connected with housing unit.
2. a kind of entry needle according to claim 1 is characterized in that, described housing unit cooperates up and down formation by (6) under (5) and the connector on the connector.
3. a kind of entry needle according to claim 1 is characterized in that, the far-end of described spring hose (8) is limit casing (11) fixedly, and described soft sheath (12) passes limit casing (11) and is subjected to the spacing connection of limit casing (11).
4. a kind of entry needle according to claim 1, it is characterized in that, described metal catheter (2) is fixedly connected with restraining position ring block (3), be arranged with Spring capable of diameter varying (4) on the described metal catheter (2), Spring capable of diameter varying (4) one ends and spacing ring (3) offset, and Spring capable of diameter varying (4) other end and housing unit offset.
5. a kind of entry needle according to claim 1 is characterized in that, described female Luer (1) is threaded with housing unit.
6. a kind of entry needle according to claim 1 is characterized in that, described mozzle (7) far-end is sealedly and fixedly connected by metal connecting tube (9) and needle tubing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506178 CN202892554U (en) | 2012-09-28 | 2012-09-28 | Syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506178 CN202892554U (en) | 2012-09-28 | 2012-09-28 | Syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202892554U true CN202892554U (en) | 2013-04-24 |
Family
ID=48113279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220506178 Expired - Lifetime CN202892554U (en) | 2012-09-28 | 2012-09-28 | Syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202892554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901823A (en) * | 2017-01-22 | 2017-06-30 | 常州百隆微创医疗器械科技有限公司 | A kind of quick pressure releasing injection-type Cement fixation device |
| CN107837071A (en) * | 2017-10-26 | 2018-03-27 | 广州永士达医疗科技有限责任公司 | A kind of uterus OCT conduits and the uterus OCT equipment with pumpback function |
| CN115608431A (en) * | 2022-12-19 | 2023-01-17 | 中国人民解放军军事科学院军事医学研究院 | Injection stopper |
-
2012
- 2012-09-28 CN CN 201220506178 patent/CN202892554U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106901823A (en) * | 2017-01-22 | 2017-06-30 | 常州百隆微创医疗器械科技有限公司 | A kind of quick pressure releasing injection-type Cement fixation device |
| CN107837071A (en) * | 2017-10-26 | 2018-03-27 | 广州永士达医疗科技有限责任公司 | A kind of uterus OCT conduits and the uterus OCT equipment with pumpback function |
| CN115608431A (en) * | 2022-12-19 | 2023-01-17 | 中国人民解放军军事科学院军事医学研究院 | Injection stopper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11167114B2 (en) | Set for peripheral nerve blocking | |
| WO2011079620A1 (en) | Device for puncturing body and introducing catheter | |
| CN202892554U (en) | Syringe needle | |
| CN110151300A (en) | It is a kind of can cooperativing medicine-feeding electric pulse ablating device | |
| CN105434040A (en) | Umbrella-shaped radiofrequency ablation electrode needle for endoscopes | |
| CN103815954B (en) | Gallbladder launches perforator | |
| CN211659007U (en) | Continuous plexus blocking kit | |
| CN203506677U (en) | Endoscope injection needle | |
| CN210044113U (en) | High-frequency composite electric knife | |
| CN214966382U (en) | Digestive endoscopy injection needle | |
| CN203208509U (en) | Non-guidewire bending-controllable balloon catheter device | |
| CN107361830B (en) | Brachial plexus blocking needle sleeve under ultrasonic guidance and using method thereof | |
| CN202477805U (en) | Disposable indwelling nerve plexus stimulation needle | |
| CN202477741U (en) | Bone and soft tissue tumor biopsy needle | |
| CN202146342U (en) | Novel thoracic cavity puncture needle | |
| CN204446911U (en) | The stagewise flexible gradual change blood vessel microtubular of an enhancement Layer is twined with braiding | |
| CN204306848U (en) | A kind of auxiliary reverse seal wire enters the device of forward guiding catheter | |
| CN203763587U (en) | Disposable injection needle | |
| CN203724189U (en) | Disposable multipurpose puncture, catgut embedding and injection physiotherapy needle-knife combination | |
| CN206342532U (en) | Novel ultrasonic guiding shifts thyroid needle device with anti-needle track | |
| CN105056370A (en) | Peripheral venous catheter and use method thereof | |
| CN201631340U (en) | Disposable deep cyst puncture needle | |
| CN1986014A (en) | Transfusion retaining pipe or duct for transferring liquid into blood vessel | |
| CN204581448U (en) | The puncture needle for hypodermic tunnel of improvement | |
| CN204582254U (en) | Arterypuncture trocar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
|
| CX01 | Expiry of patent term |