CN202982872U - Epidural anesthesia catheter - Google Patents
Epidural anesthesia catheter Download PDFInfo
- Publication number
- CN202982872U CN202982872U CN 201220748738 CN201220748738U CN202982872U CN 202982872 U CN202982872 U CN 202982872U CN 201220748738 CN201220748738 CN 201220748738 CN 201220748738 U CN201220748738 U CN 201220748738U CN 202982872 U CN202982872 U CN 202982872U
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- China
- Prior art keywords
- epidural catheter
- catheter according
- section
- segmental epidural
- support spring
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Abstract
The utility model discloses an epidural anesthesia catheter which comprises a catheter body and a support spring body. The catheter body is used for guiding flowing of tumescent anesthesia liquid and is provided with a liquid inlet and a liquid outlet which are communicated. The support spring body is placed in a catheter body cavity, a flexible tip section is arranged at one end of the catheter body, and the hardness of the flexible tip section is smaller than that of a main body section of the catheter body. The epidural anesthesia catheter has good flexibility and high strength, effectively resolves the problem that human tissues are damaged in catheter arrangement in operations and can normally guide liquid even under the condition that the catheter is bent and knotted.
Description
[technical field]
This utility model relates to medical instruments field, particularly relates to a kind of for anaesthetizing the segmental epidural catheter of using when injecting.
[background technology]
The Medical anesthetic conduit is in operation technique at present, the hardness that imports end due to existing seal wire (conduit) is large, elasticity is little, put careless slightly in pipe operation or the ejector sleeve dynamics is held and incorrectly caused that namely importing the broken or injured blood vessel soft tissue of terminal spine causes the unexpected phenomenons such as epidural space is hemorrhage at clinical operation
When conduit runs into organizing of the large resistance of having of human body in operation, the normal importing difficulty that occurs, tissue injury, also have in the process of conduit in inserting body, broken pipe also often occurs, the phenomenon of knotting, present conduit in this case can't drain, must take out, then again put pipe, increase the risk of operation.
For above-mentioned deficiency, I have developed a kind of segmental epidural catheter.
[utility model content]
The purpose of this utility model technical problem to be solved is that a kind of segmental epidural catheter will be provided, it have flexible, intensity is high, effectively solve when pipe is put in operation and destroy the problem of tissue, and broken pipe occurring, the also normal function of drain in the situation of knotting.
The technical scheme that its technical problem that will solve this utility model adopts is: a kind of segmental epidural catheter, this conduit comprises for the water conservancy diversion anesthesia liquid and has the body that inlet communicates with liquid outlet, be positioned over the endoceliac support spring body of pipe, one of described body is provided with the flexible tip section, and the hardness of described flexible tip section is less than the hardness of the main paragraph of described body.
Preferably, the cross-sectional diameter of the close liquid outlet of described flexible tip section is less than the cross-sectional diameter away from liquid outlet.
Preferably, described flexible tip section is made by the TPU material.
Preferably, the cross section of described body is rounded or oval.
Preferably, described body is transparent or semitransparent shape.
Preferably, described support spring body is by stainless steel material or the nickel-titanium alloy material one that is made.
Preferably, described support spring body helical spring, spring wire diameter 0.05-0.4mm.
Preferably, described support spring body is interval with for loose section of observation anesthesia liquid water conservancy diversion or wholely is loose structure.
Preferably, the pitch of the adjacent spiral coil of described loose section is 0.5-1.5mm.
Preferably, the length of described loose section is 10mm-60mm.
This utility model is compared the beneficial effect that produces with background technology:
This utility model has adopted above-mentioned technical scheme, is placed in the endoceliac support spring body of pipe, spring body stay pipe intracoelomic cavity, and when body gave a discount or ties a knot, drain also can pass through smoothly under the spring body elastic reaction; The problem of again putting pipe in the solution background technology.The flexible tip section that body is one makes body more easily import human body and non-easy damaged human body soft tissue in operation, effectively reduces operation process to the injury of human body.
[description of drawings]
Fig. 1 is the overall structure schematic diagram of this utility model segmental epidural catheter;
Fig. 2 is Fig. 1 part-structure cutaway view;
Fig. 3 is A place enlarged drawing in Fig. 2;
Fig. 4 is this utility model segmental epidural catheter open structure schematic diagram.
[specific embodiment]
Below in conjunction with accompanying drawing, by the specific embodiment of the present utility model is further described, make the technical solution of the utility model and beneficial effect thereof clearer, clear and definite.
See also shown in Fig. 1-3, its this conduit 100 that provides for this utility model embodiment comprises for the water conservancy diversion anesthesia liquid and has the body 110 that inlet 101 communicates with liquid outlet 102, be positioned over the support spring body 120 of body 110 intracavity, one of described body 110 is provided with flexible tip section 111, and the hardness of described flexible tip section 111 is less than the hardness of the main paragraph 112 of described body 110.Like this, support spring body 120 is used for supporting body 110 inner chambers, in operation process, as occurs that body 110 gives a discount or during knotting, anesthesia liquid also can pass through smoothly under 120 effects of support spring body; The flexible tip section 111 that body is 110 1, its hardness I make body 110 more easily import human body and non-easy damaged human body soft tissue in operation, effectively reduce operation process to the injury of human body.
For making more swimmingly this conduit 100 import tissue, in the present embodiment, the cross-sectional diameter of described flexible tip section 111 close liquid outlets 102 is less than the cross-sectional diameter away from liquid outlet 102.The integral body of flexible tip section 111 is cone, and during importing, resistance is less comparatively speaking, imports fasterly, reduces operating time.The making material of flexible tip section 111 can be selected the TPU material.
Comprehensive above-mentioned and in conjunction with institute's drawings attached to the body 110 in the present embodiment and support spring body 120, following arbitrary scheme that can also further limit, or the technique effect that the technical scheme of setting in the mode of combination is brought with adopting this scheme is:
The cross section of described body 110 is rounded or oval.Being shaped as circle or oval-shaped situation can be stronger with property, but does not get rid of the shape that can make other.
Described body 110 is transparent or semitransparent shape.Be convenient to like this observe the situation of the fluid in body 110, certainly, all right ground body 110 adds the district of developing, so that printing opacity equipment is in the detection of operation process.
Described support spring body 120 is by stainless steel material or the nickel-titanium alloy material one that is made.Itself all has high strength stainless steel material and nickel-titanium alloy material, and plasticity is strong, stable mechanical property.Make support spring body 120 with this material and at elastic force, aspect stable, obvious lifting is arranged.Certainly, do not get rid of the possibility of using other materials, as long as satisfy actual needs, can select other material yet.
Described support spring body 120 is arranged at intervals with loose section 121 for observation anesthesia liquid water conservancy diversion.The interval of loose section 121 arrange be exactly one section dredge one section close, can be equidistant, can be also not equidistant; Certainly, support spring body 120 also can whole be loose structure as shown in Figure 4, and other that can also be present in support spring body 120 are convenient to observe the structure of drain.
The design parameter of loose section 121 further is provided, and the pitch T of the adjacent spiral coil of described loose section 121 is 0.5-1.5mm.Described support spring body 120 helical springs, spring wire diameter D is 0.05-0.4mm.The length of described loose section 121 is 10mm-60mm.
What deserves to be explained is its chemical name of TPU: Polyurethane Thermoplastic Elastomer rubber, English full name are Thermoplastic polyurethanes.
Description by above-mentioned structure and principle; the person of ordinary skill in the field is to be understood that; this utility model is not limited to the above-mentioned specific embodiment; adopt the improvement of techniques well known and substitute on this utility model basis and all drop on protection domain of the present utility model, should be limited by each claim.
Claims (10)
1. segmental epidural catheter, it is characterized in that: this conduit comprises for the water conservancy diversion anesthesia liquid and has the body (110) that inlet (101) communicates with liquid outlet (102), be positioned over the support spring body (120) of body (110) intracavity, one of described body (110) is provided with flexible tip section (111), and the hardness of described flexible tip section (111) is less than the hardness of the main paragraph (112) of described body (110).
2. segmental epidural catheter according to claim 1 is characterized in that: described flexible tip section (111) near the cross-sectional diameter of liquid outlet (102) less than the cross-sectional diameter away from liquid outlet (102).
3. segmental epidural catheter according to claim 1 and 2, it is characterized in that: described flexible tip section (111) is made by the TPU material.
4. segmental epidural catheter according to claim 1 and 2, it is characterized in that: the cross section of described body (110) is rounded or oval.
5. segmental epidural catheter according to claim 4, it is characterized in that: described body (110) is transparent or semitransparent shape.
6. segmental epidural catheter according to claim 1 and 2 is characterized in that: described support spring body (120) is by stainless steel material or the nickel-titanium alloy material one that is made.
7. segmental epidural catheter according to claim 6, is characterized in that: described support spring body (120) helical spring, spring wire diameter 0.05-0.4mm.
8. segmental epidural catheter according to claim 7 is characterized in that: described support spring body (120) is interval with for loose section (121) of observation anesthesia liquid water conservancy diversion or wholely is loose structure.
9. segmental epidural catheter according to claim 8, it is characterized in that: the pitch of the adjacent spiral coil of described loose section (121) is 0.5-1.5mm.
10. segmental epidural catheter according to claim 9, it is characterized in that: the length of described loose section (121) is 10mm-60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748738 CN202982872U (en) | 2012-12-29 | 2012-12-29 | Epidural anesthesia catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748738 CN202982872U (en) | 2012-12-29 | 2012-12-29 | Epidural anesthesia catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202982872U true CN202982872U (en) | 2013-06-12 |
Family
ID=48554105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748738 Expired - Fee Related CN202982872U (en) | 2012-12-29 | 2012-12-29 | Epidural anesthesia catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202982872U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621005A (en) * | 2016-12-27 | 2017-05-10 | 珠海金导医疗科技有限公司 | Flexible reinforced type segmental epidural catheter and manufacturing method thereof |
| CN112915357A (en) * | 2021-03-18 | 2021-06-08 | 临沂市兴华医用器材有限公司 | Epidural anesthesia catheter |
| CN113797422A (en) * | 2020-06-13 | 2021-12-17 | 河南驼人医疗器械集团有限公司 | Preparation method of steel wire anesthesia catheter |
-
2012
- 2012-12-29 CN CN 201220748738 patent/CN202982872U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106621005A (en) * | 2016-12-27 | 2017-05-10 | 珠海金导医疗科技有限公司 | Flexible reinforced type segmental epidural catheter and manufacturing method thereof |
| CN106621005B (en) * | 2016-12-27 | 2019-03-22 | 珠海金导医疗科技有限公司 | A kind of manufacturing method of the reinforced segmental epidural catheter of flexibility |
| CN113797422A (en) * | 2020-06-13 | 2021-12-17 | 河南驼人医疗器械集团有限公司 | Preparation method of steel wire anesthesia catheter |
| CN112915357A (en) * | 2021-03-18 | 2021-06-08 | 临沂市兴华医用器材有限公司 | Epidural anesthesia catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU JINDAO MEDICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN SHIBIN Effective date: 20140825 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528400 ZHONGSHAN, GUANGDONG PROVINCE TO: 510000 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140825 Address after: Panyu District East Central Street in Guangzhou City, Guangdong province 510000 Panyu Avenue North, No. 537 Panyu energy saving technology park Banzan Entrepreneurship Center No. 3 Building 1 room 506A district (not for plant use) Patentee after: GUANGZHOU KINDAO MEDICAL TECHNOLOGY CO.,LTD. Address before: 528400 torch exhibition zone, Zhongshan Torch Development Zone, Guangdong Province, California 1401, sunshine elegance Garden 4 Patentee before: Chen Shibin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |