CN2912542Y - Combined spinal-epidural anesthesia puncture needle - Google Patents
Combined spinal-epidural anesthesia puncture needle Download PDFInfo
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- CN2912542Y CN2912542Y CN 200620115596 CN200620115596U CN2912542Y CN 2912542 Y CN2912542 Y CN 2912542Y CN 200620115596 CN200620115596 CN 200620115596 CN 200620115596 U CN200620115596 U CN 200620115596U CN 2912542 Y CN2912542 Y CN 2912542Y
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- needle
- epidural
- stand
- puncture needle
- seat
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Abstract
The utility model relates to a needle used in combined spinal and epidural anesthesia, which comprises an epidural needle. The epidural needle comprises a needle seat and a tubular needle body, the cross section of which is not round. An epidural duct opening is arranged on the upper wall of the needle body. An opening for lumbar puncture needle is arranged correspondingly on the lower wall of the needle body. The other end of the needle body is fixedly connected with the needle seat. A taper hole is arranged at the afterbody of the needle seat. A branch tube on the upper edge of the needle seat is communicated with the needle seat. A lumbar puncture needle comprises a needle body, a needle seat, a needle core and a needle core seat. A side hole is arranged at the end of the needle body, which goes through the taper hole at the afterbody of the epidural needle seat, gets into the epidural needle body and then gets out through the epidural duct opening. A slot is arranged at the front of the needle seat. One end of the needle core is connected with the needle core seat. The other end gets into the needle body through the taper hole at the afterbody of the needle seat, to block out the side hole. The utility model has the advantages of high security and easy operation. The utility model helps to save the time of adjusting the spinal anesthesia plane, and effectively avoid the danger that the metal scraps produced by frictions between the needle bodies may be left in the human body.
Description
Technical field
This utility model relates to a kind of anaesthetic puncture needle, specifically a kind of combined spinal-epidural anesthesia puncture needle.
Background technology
At present, associating lumbar anesthesia epidural anesthesia (CSEA) has been concentrated the advantage of lumbar anesthesia and epidural anesthesia, and rapid-action, flesh is loose fully, has obtained deep research and application widely surplus in the of nearly ten over year at home and abroad.But traditional puncture needle is " pin in the pin " type, its anesthesia is in proper order for after being needled into epidural space with epidural puncture earlier, again spinal needle (lumbar puncture needle) is thrust subarachnoid space through the anesthesia spinal needle inner chamber and implement lumbar anesthesia, withdraw from spinal needle then and carry out the external pipe of dura mater again, stand up and regulate the lumbar anesthesia plane.This process due to illness the anatomical variation of people's epidural space or Anesthetist the skilled operation degree and need 1～5 minute, as run into and put pipe and can reach at need more than 5 minutes, even the pipe of having to abandon putting.The Anesthetist has just lost the planar best period of regulation and control lumbar anesthesia like this, be prone to the plane too high, cross low or situation such as a side relatively; This moment is improper so that the medicine head to too much, causes the plane too high as patient posture, can cause serious circulatory and respiratory and suppress.
In addition, also being useful on the puncture needle of combined spinal-epidural anesthesia at present, for dual chamber designs, be the puncture needle of CN99232811.X and CN200420002594.1 as the patent No., but also there is defective in this design.Because aforementioned puncture needle epidural needle all is designed to the dual chamber passage, though it is convenient that its operation is gone up than " pin in the pin " type puncture needle, saves time, its dual chamber channels designs must make the epidural needle needle body increase slightly, must increase patient's wound degree like this, bring more misery to the patient; Secondly, its dual chamber design is a sealing coat to be set in needle body inside needle body is isolated into two tracts, this design has increased the friction of lumbar puncture needle and epidural needle, in two needle body friction processes, will inevitably produce metal fragment, when implementing combined spinal-epidural anesthesia, patient's health that metal fragment has been stranded in the interior serious threat of patient's body.The 3rd this dual chamber puncture needle manufacture difficulty strengthens, and is difficult for Project Realization.
More than these problems all brought unnecessary trouble and misery for doctor and patient, combined spinal-epidural anesthesia puncture needle easy to use, satisfactory for result at present is still the key content of those skilled in the art's research.
Summary of the invention
The objective of the invention is to overcome the defective that prior art exists and a kind of combined spinal-epidural anesthesia puncture needle easy for operation, satisfactory for result is provided.
The present invention adopts following technical scheme for achieving the above object:
A kind of combined spinal-epidural puncture needle, it mainly comprises:
One epidural needle, it comprises that a cross section is a non-circular tubulose needle body and a needle stand, needle body termination portion raises up slightly, and its upper wall is provided with the epidural catheter opening, the lower wall correspondence is provided with the lumbar puncture needle opening, and this kind structural design runs into certain resistance nature in the time of can making epidural catheter penetrate behind the needle body by the needle body termination and passed by last wall opening; Lumbar puncture needle is that metal staight needle body has certain toughness and intensity, and the design that epidural needle needle body termination raises up will inevitably pass lumbar puncture needle from following wall opening when penetrating into epidural needle needle body termination.The epidural needle needle body other end and needle stand are affixed, the needle stand afterbody is provided with taper hole, having extended an arm on it is communicated with needle stand, epidural catheter can penetrate in the epidural needle and be passed by the epidural catheter opening of epidural needle termination by this tubular opening structure, this kind structural design makes epidural needle penetrate epidural needle by different positions respectively with lumbar puncture needle, both are irrelevant to disturb, and the particular design of epidural needle needle body termination make its two can nature pass from its specified opening respectively, more easy in the operation.
One lumbar puncture needle, it is to be made of needle body, needle stand, nook closing member, needle core base, the termination of this needle body is provided with side opening and its and can be penetrated in the epidural needle needle body and by above-mentioned lumbar puncture needle opening by epidural needle needle stand afterbody taper hole and pass, its other end and needle stand are affixed, this needle stand afterbody is provided with taper hole, and taper hole designs according to optical principle, and certain enlarging function is arranged, medical worker's cerebrospinal fluid of observing is more early refluxed, avoided effectively because the sequela that cerebrospinal fluid refluxes and too much causes; This needle stand is anterior to be complementary with the medical taper hole of epidural needle needle stand afterbody, the two mutually socket fix, and also be provided with a draw-in groove on this needle stand front portion; Nook closing member one end is connected with needle core base, and the other end is penetrated in the needle body by needle stand afterbody taper hole, to seal above-mentioned side opening.
Described a kind of combined spinal-epidural anesthesia puncture needle, wherein, described epidural needle needle stand and lumbar puncture needle needle stand all adopt high transparent medical grade plastic to make.
Be 30 degree angles between described arm and the epidural needle needle stand, the arm mouth of pipe is a trumpet type, makes things convenient for epidural catheter to insert.
Described a kind of combined spinal-epidural anesthesia puncture needle, wherein, described epidural needle needle body cross sectional shape the best is 1/2 ellipse.
Described a kind of combined spinal-epidural anesthesia puncture needle wherein, is equipped with graduation mark on the described epidural needle needle body outer wall, can measure, judge paracentesis depth accurately.
Described a kind of combined spinal-epidural anesthesia puncture needle comprises that also a booster can be equipped in the draw-in groove on the lumbar puncture needle needle stand; Comprise that also a needle guard is placed in epidural needle needle stand front portion, in order to protection epidural needle and lumbar puncture needle needle body.
The using method of combined spinal-epidural anesthesia puncture needle described in the utility model is as follows:
1, thrusts epidural space with epidural needle earlier, insert epidural catheter then, thrust subarachnoid space when inserting lumbar puncture needle in the epidural needle at last;
2, carry out lumbar anesthesia by the lumbar puncture needle administration;
3, withdraw from lumbar puncture needle, stand up flat crouching rapidly and adjust the lumbar anesthesia plane;
4, carry out epidural anesthesia by drug given through epidural conduit;
5, pull out epidural needle after administration finishes.
Advantage of the present utility model and benefit:
Combined spinal-epidural anesthesia puncture needle described in the utility model is safe, simple and quick, has saved the planar time of regulation and control lumbar anesthesia, and " pin in the pin " method that solves effectively finishes to standing up flat this " dangerous time difference " problem of overlong time that crouches from injection; This utility model makes lumbar puncture needle insert from different openings respectively with epidural catheter by the unique design of epidural needle needle stand, having avoided inserting the latter two influences each other, the particular design of this needle body end is to utilize the soft or hard Cheng Du of lumbar puncture needle and epidural catheter simultaneously, make its two can nature take advantage of a situation and pass from opening separately, can not produce friction, collision or interactional situation, overcome the defective of existing combined spinal-epidural dual pathways puncture needle, effectively avoided owing to fricative metal fragment between the needle body is left over the intravital danger in the people, combined spinal-epidural anesthesia puncture needle processing technology described in the utility model is simply a lot of with respect to dual pathways anaesthetic puncture needle simultaneously.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is this utility model epidural needle vertical view;
Fig. 3 is this utility model lumbar puncture needle stand vertical view;
Fig. 4 is the cutaway view along A-A line among Fig. 1;
Fig. 5 this utility model booster sketch map.
The specific embodiment
As shown in Figure 1, 2, 3, a kind of combined spinal-epidural puncture needle, it mainly comprises:
One epidural needle 1, it comprises that a cross section is a non-circular tubulose needle body 11 and a needle stand 12, needle body 11 termination portions raise up slightly, and its upper wall is provided with epidural catheter opening 111, and the lower wall correspondence is provided with lumbar puncture needle opening 112, and needle body 11 other ends and needle stand 12 are affixed, needle stand 12 afterbodys are provided with taper hole, extended an arm 121 on it and be communicated with needle stand 12, be 30 degree angles between arm 121 and the needle stand 12, arm 121 mouths of pipe are trumpet type.Epidural catheter 6 is inserted in the epidural needle 1 and by epidural catheter opening 111 by this arm 121 and is passed, and needle stand 12 afterbodys are provided with taper hole.
One lumbar puncture needle 2, it is to be made of needle body 21, needle stand 22, nook closing member 23, needle core base 24, the termination of this needle body 21 is provided with side opening 211 and its and is penetrated in the epidural needle needle body 11 and by lumbar puncture needle opening 112 by epidural needle needle stand 12 afterbody taper holes and pass, its other end and needle stand 22 are affixed, these needle stand 22 afterbodys are provided with taper hole 222, it is anterior to be complementary with epidural needle needle stand 12 afterbody taper holes, the two mutually socket fix, and also be provided with a draw-in groove 221 on these needle stand 22 front portions; Nook closing member 23 1 ends are connected with needle core base 24, and the other end is penetrated in the needle body 21 by needle stand 22 afterbody taper holes, to seal above-mentioned side opening 211; Comprise that also a needle guard 5 is placed in epidural needle needle stand 12 front portions.Described needle stand 12 and needle stand 22 all adopt high transparent medical grade plastic to make.
As shown in Figure 5, comprise that also a booster 4 can be equipped in the draw-in groove 221 on the lumbar puncture needle needle stand 22.
Shown in Fig. 2,3, described epidural needle needle body 11 upper walls are equipped with graduation mark 113, and described epidural needle needle body 11 cross sections are 1/2 ellipse.
Use of the present utility model, with reference to shown in Figure 1:
1, thrusts epidural space with epidural needle 1 earlier, insert the softish epidural catheter 6 of material by tubular opening structure 121 then, when waiting it to arrive epidural needle needle body 11 ends, its design that raises up is run into epidural catheter 6 and uply naturally behind certain resistance is passed from epidural catheter opening 111; At last lumbar puncture needle 2 is penetrated in the epidural needle needle body 11 and by lumbar puncture needle opening 112 by epidural needle needle stand 12 afterbody taper holes and pass, thrust subarachnoid space when inserting in the epidural needle 1;
2, carry out lumbar anesthesia by lumbar puncture needle 2 administrations;
3, withdraw from lumbar puncture needle 2, stand up flat crouching rapidly and adjust the lumbar anesthesia plane;
4, carry out epidural anesthesia by epidural catheter 6 administrations;
5, pull out epidural needle 1 after administration finishes.
Claims (8)
1, a kind of combined spinal-epidural puncture needle is characterized in that it mainly comprises:
One epidural needle (1), it comprises that a cross section is a non-circular tubulose needle body (11) and a needle stand (12), needle body (11) termination portion raises up slightly, and its upper wall is provided with epidural catheter opening (111), the lower wall correspondence is provided with lumbar puncture needle opening (112), needle body (11) other end and needle stand (12) are affixed, and needle stand (12) afterbody is provided with taper hole, have extended an arm (121) on it and have been communicated with needle stand (12).
One lumbar puncture needle (2), it is to be made of needle body (21), needle stand (22), nook closing member (23), needle core base (24), the termination of this needle body (21) is provided with side opening (211) and its and is penetrated in the epidural needle needle body (11) and by lumbar puncture needle opening (112) by epidural needle needle stand (12) afterbody taper hole and pass, its other end and needle stand (22) are affixed, this needle stand (22) afterbody is provided with taper hole (222), its front portion is complementary with epidural needle needle stand (12) afterbody taper hole, the two mutually socket fix, and also be provided with a draw-in groove (221) on this needle stand (22) front portion; Nook closing member (23) one ends are connected with needle core base (24), and the other end is penetrated in the needle body (21) by needle stand (22) afterbody taper hole, to seal above-mentioned side opening (211).
2, a kind of combined spinal-epidural anesthesia puncture needle according to claim 1 is characterized in that, described needle stand (12) and needle stand (22) all adopt high transparent medical grade plastic to make.
3, a kind of combined spinal-epidural anesthesia puncture needle according to claim 1 is characterized in that, is 30 degree angles between described arm (121) and the needle stand (12).
4, a kind of combined spinal-epidural anesthesia puncture needle according to claim 3 is characterized in that, described arm (121) mouth of pipe is a trumpet type.
According to the described a kind of combined spinal-epidural anesthesia puncture needle of claim 1, it is characterized in that 5, described epidural needle needle body (11) cross section is 1/2 ellipse.
6, a kind of according to claim 1 or 5 combined spinal-epidural anesthesia puncture needle is characterized in that, is equipped with graduation mark (113) on described epidural needle needle body (11) outer wall.
7, a kind of combined spinal-epidural anesthesia puncture needle according to claim 1 is characterized in that, comprises that also a booster (4) can be equipped in the draw-in groove (221) on the lumbar puncture needle needle stand (22).
8, a kind of combined spinal-epidural anesthesia puncture needle according to claim 1 is characterized in that, comprises that also a needle guard (5) is placed in epidural needle needle stand (12) front portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620115596 CN2912542Y (en) | 2006-05-23 | 2006-05-23 | Combined spinal-epidural anesthesia puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620115596 CN2912542Y (en) | 2006-05-23 | 2006-05-23 | Combined spinal-epidural anesthesia puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2912542Y true CN2912542Y (en) | 2007-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620115596 Expired - Fee Related CN2912542Y (en) | 2006-05-23 | 2006-05-23 | Combined spinal-epidural anesthesia puncture needle |
Country Status (1)
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| CN (1) | CN2912542Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102988101A (en) * | 2012-11-20 | 2013-03-27 | 江苏省华星医疗器械实业有限公司 | Double-rail type anaesthesia combined trocar needle |
| CN104586478A (en) * | 2014-12-15 | 2015-05-06 | 张敬首 | Single-cavity two-channel combined spinal-epidural anesthesia integrated puncture needle |
| CN104605918A (en) * | 2015-01-15 | 2015-05-13 | 江苏省华星医疗器械实业有限公司 | Needle cavity seat for combined anesthesia puncture needle |
-
2006
- 2006-05-23 CN CN 200620115596 patent/CN2912542Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102988101A (en) * | 2012-11-20 | 2013-03-27 | 江苏省华星医疗器械实业有限公司 | Double-rail type anaesthesia combined trocar needle |
| CN104586478A (en) * | 2014-12-15 | 2015-05-06 | 张敬首 | Single-cavity two-channel combined spinal-epidural anesthesia integrated puncture needle |
| CN104605918A (en) * | 2015-01-15 | 2015-05-13 | 江苏省华星医疗器械实业有限公司 | Needle cavity seat for combined anesthesia puncture needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Haisheng Medical Device Co., Ltd. Assignor: Sun Dong Contract fulfillment period: 2009.9.1 to 2014.9.1 Contract record no.: 2009330002493 Denomination of utility model: Puncture needle for combined spinal-epidural anesthesia Granted publication date: 20070620 License type: Exclusive license Record date: 20091015 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.9.1 TO 2014.9.1; CHANGE OF CONTRACT Name of requester: ZHEJIANG HAISHENG MEDICAL DEVICE CO., LTD. Effective date: 20091015 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070620 Termination date: 20100523 |