CN2366058Y - Continuous lumbar anesthesia lumber puncturing guiding needle, and sleeve needle thereof - Google Patents
Continuous lumbar anesthesia lumber puncturing guiding needle, and sleeve needle thereof Download PDFInfo
- Publication number
- CN2366058Y CN2366058Y CN 99231276 CN99231276U CN2366058Y CN 2366058 Y CN2366058 Y CN 2366058Y CN 99231276 CN99231276 CN 99231276 CN 99231276 U CN99231276 U CN 99231276U CN 2366058 Y CN2366058 Y CN 2366058Y
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- needle
- anesthesia
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- joint
- waist
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Abstract
The utility model relates to a continuous lumbar anesthesia lumber puncture guiding needle and a sleeve needle thereof. The utility model is characterized in that the lumber puncture guiding needle is composed of a needle rod front part (1), a joint (2) and a needle rod back part (3), wherein, the joint and the needle rod front part are connected to integration, and the joint is connected to the needle rod back part; the outer parts of the lumber puncture guiding needle and the sleeve needle have length scales. The continuous lumbar anesthesia lumber puncture guiding needle and the sleeve needle thereof is used for conveniently implanting a lumbar anesthesia catheter to a subarachnoid cavity, and thereby, the continuous anesthesia can be realized. The anesthesia time can be prolonged optionally, and the needs of operations of median bellies and inferior bellies, pelvic cavity operations and lower limb operations can be satisfied. The utility model is especially suitable for operations which are completed in long time, and the headache incidence rate can be further reduced. In addition, the utility model can be also used for postoperative analgesia, and is used for treating headaches after lumbar anesthesia, which occur possibly.
Description
This utility model relates to medical apparatus and instruments, and specifically a kind of continuous spinal anesthesia waist is worn the guide pin and the trocar.
During beginning, the lumbar anesthesia method that people adopt is to inject an amount of local anaesthetics by lumbar puncture needle to spider nethike embrane cavity of resorption, local anaesthetics and spinal nerve root, dorsal ganglion and the contact of spinal cord surface, and producing perfect anesthesia blockage effect, this method is widely used in clinical anesthesia.But since can only injection once, the anesthetic action limited time can not satisfy the needs that some takes long operation sometimes, and the utilization of lumbar anesthesia in clinical anesthesia is very limited.In order to prolong the anesthetic action time, having the human bodkin to carry out subarachnoid space threads a needle, the success back is implanted subarachnoid space by puncture needle stalk chamber with conduit, though can prolong anesthesia duration arbitrarily, but, make cerebrospinal fluid flow into epidural space in a large number because bodkin stays bigger holes during by spinal dura mater and arachnoidea.Cause by anesthesia person in various degree headache and yield.The method of people's employing at present is with No. 7 pins or No. 9 lancet puncture, after the success, once injects an amount of local anaesthetics to subarachnoid space, transfers to lumbar puncture needle then.Because of puncture needle is thinner, cerebrospinal fluid runs off few, and the headache incidence rate is low.But, can not satisfy the needs of prolonged operations because single injection duration of anaesthesia is limited.
The purpose of this utility model provides a kind ofly can implant subarachnoid space easily with the lumbar anesthesia conduit, can realize the continuous spinal anesthesia lumbar puncture needle and the trocar of continuous spinal anesthesia.
This utility model is achieved in that wears guide pin with former waist and the trocar carries out structural transformation, realizes operational continuous spinal anesthesia.Concrete scheme is: it is anterior by the pin stalk that waist is worn guide pin, and joint and pin stalk rear portion constitute, and joint and pin stalk front portion are connected as a single entity, and joint connects pin stalk rear portion, and waist wears guide pin and all there is the length scale trocar outside.After epidural space punctures successfully, can twist pin stalk rear portion like this, wear guide pin length, help inserting conduit and tube pulling operation thereby shorten waist.
Continuous spinal anesthesia waist of the present utility model wears guide pin and the trocar can be implanted subarachnoid space easily with the lumbar anesthesia conduit.Thereby the continuous fiber crops of realization prolong anesthesia duration arbitrarily, the needs of lower abdomen, pelvic cavity and lower extremity surgery in satisfying, and the especially suitable operation that need just can finish for a long time, and can further reduce the headache incidence rate.Have a headache after can be used for the postoperative analgesia in addition and treating contingent lumbar anesthesia.
Fig. 1 wears the guide pin structural representation for waist of the present utility model;
Fig. 2 is a trocar design sketch map of the present utility model.
Among the figure, 1-pin stalk is anterior, 2-joint, 3-pin stalk rear portion, 4-nook closing member, the 5-trocar, 6-nook closing member.
Below in conjunction with accompanying drawing this utility model is described in further detail, but is not limited to shown in the accompanying drawing.
As shown in the figure, waist of the present utility model is worn guide pin and is obstructed front portion 1 by pin, and joint 2 and pin stalk rear portion 3 constitute, and joint and pin stalk front portion are connected as a single entity, and joint obstructs the rear portion for being threaded with pin.Joint has female thread, and the external screw thread that obstructs on the rear portion with pin cooperates.Waist wears guide pin and all there is the length scale trocar outside.Waist is worn guide pin pin stalk length and is added and grow to 11 centimetres.Lumbar puncture needle stalk front portion is a linear, and the nook closing member that matches with it also is linear.
During operation, wear with waist earlier and lead oblique puncture and enter epidural space, extract nook closing member out, screw off pin stalk rear portion then, the distance that this moment, epidural space was not held to needle adapter is about 7.5 centimetres.Enter to subarachnoid space with the trocar through guide pin pin chamber, continue to extract trocar nook closing member out behind 0.5 centimetre of the inserting needle,, turn back to nook closing member when extracting the cerebrospinal fluid puncturing success out, right hand fixed cover bobbin, left hand is pushed ahead the lumbar anesthesia conduit to subarachnoid space along the trocar.With the fixing lumbar anesthesia conduit of left hand, the right hand outwards dials out to the distance of epidural space with the trocar, and fixedly lumbar puncture needle and withstand the lumbar anesthesia conduit is worn waist guide pin then and transferred to outer 1 centimetre of skin, see the lumbar anesthesia conduit and fix, waist is worn guide pin and the trocar is transferred to external together.With connecting pin lumbar anesthesia conduit and continuity conduit are coupled together, and connect syringe realization continuous spinal anesthesia.The lumbar anesthesia catheter length can be about 70 centimetres, and the lumbar anesthesia conduit can keep in vivo, has a headache after carrying out the injection of postoperative analgesic or treating contingent lumbar anesthesia.
Claims (3)
1, a kind of continuous spinal anesthesia waist is worn the guide pin and the trocar, it is characterized in that waist wears guide pin by pin stalk anterior (1), joint (2) and pin stalk rear portion (3) constitute, and joint and pin obstruct the front portion and be connected as a single entity, joint connects pin stalk rear portion, and waist wears guide pin and all there is the length scale trocar outside.
2, by the described guide pin of claim 1 and the trocar, it is characterized in that waist wears guide pin joint and pin stalk rear portion thread connection, waist is worn the guide pin pin and is obstructed length and add and grow to 11 centimetres.
3, by the described guide pin of claim 1 and the trocar, it is characterized in that wearing waist pin stalk anterior is linear, and the nook closing member that matches with it also is linear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99231276 CN2366058Y (en) | 1999-03-29 | 1999-03-29 | Continuous lumbar anesthesia lumber puncturing guiding needle, and sleeve needle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99231276 CN2366058Y (en) | 1999-03-29 | 1999-03-29 | Continuous lumbar anesthesia lumber puncturing guiding needle, and sleeve needle thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2366058Y true CN2366058Y (en) | 2000-03-01 |
Family
ID=34020168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99231276 Expired - Fee Related CN2366058Y (en) | 1999-03-29 | 1999-03-29 | Continuous lumbar anesthesia lumber puncturing guiding needle, and sleeve needle thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2366058Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037668A (en) * | 2016-07-06 | 2016-10-26 | 北京交通大学 | Raman probe for in-vivo and in-situ puncture diagnosis |
-
1999
- 1999-03-29 CN CN 99231276 patent/CN2366058Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037668A (en) * | 2016-07-06 | 2016-10-26 | 北京交通大学 | Raman probe for in-vivo and in-situ puncture diagnosis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |