CN102715937A - Epidural space puncture location indicator - Google Patents
Epidural space puncture location indicator Download PDFInfo
- Publication number
- CN102715937A CN102715937A CN2012102270932A CN201210227093A CN102715937A CN 102715937 A CN102715937 A CN 102715937A CN 2012102270932 A CN2012102270932 A CN 2012102270932A CN 201210227093 A CN201210227093 A CN 201210227093A CN 102715937 A CN102715937 A CN 102715937A
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- Prior art keywords
- closing member
- puncture
- nook closing
- needle
- tube
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- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000012780 transparent material Substances 0.000 claims abstract description 5
- 235000013399 edible fruits Nutrition 0.000 claims description 32
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 9
- 210000001215 vagina Anatomy 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 20
- 238000012360 testing method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 abstract 2
- 230000037431 insertion Effects 0.000 abstract 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 14
- 206010002091 Anaesthesia Diseases 0.000 description 7
- 230000037005 anaesthesia Effects 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 244000188472 Ilex paraguariensis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of epidural space puncture positioning, in particular to an epidural space puncture positioning indicator. The multifunctional puncture needle comprises a needle core and a needle core pedicle, wherein the needle core is a hollow tube which is provided with a tube cavity penetrating through the needle core, the upper end part of the needle core is connected with the needle core pedicle provided with a cavity, and the lower end of the needle core pedicle is connected with an observation tube made of a transparent material. When the puncture needle is used, proper liquid is injected into the observation cavity of the observation tube to form a liquid column, when the puncture needle reaches the epidural cavity, the liquid column moves under the action of pressure difference due to negative pressure of the epidural cavity, and then the puncture needle can be known to reach the epidural cavity, and the needle insertion is stopped. Therefore, the positioning indicator does not need to repeatedly draw out the needle core and then connect with a wave tube or an injector for repeated test positioning in the operation process, reduces the complexity of operation, improves the puncture efficiency and reduces errors, and has more obvious effect on beginners. Meanwhile, whether the puncture needle reaches an epidural space or not can be synchronously judged in the process of needle insertion, and the accuracy of puncture is improved.
Description
Technical field
The present invention relates to the epidural puncture technical field, be meant a kind of cavum epidural puncture register guide that cooperates puncture needle to use especially.
Background technology
Existing nowadays extradural nerve block anesthesia is the anesthesia of often using, and a very important step is that anesthesia spinal needle is punctured to epidural space accurately in this anesthesia.If the puncture needle inserting needle is too shallow, then cause the anesthesia failure, dark excessively like inserting needle, then might patient's Spinal Cord be worked the mischief.And in order to make inserting needle more accurate, anaesthetize medical worker in recent years and proposed air vesicle indication according to a large amount of clinical researches, location such as pressure measuring alarm method indicating means, but there is open defect in these methods, and practical operation is difficulty relatively.
The Chinese patent publication number is CN2244917Y, and the patent document of " anesthesia spinal needle " by name discloses a kind of anesthesia spinal needle, includes needle body and the solid nook closing member that is used to prevent that needle tubing from stopping up; In actual mechanical process, in order to realize accurate location, in the puncture procedure; Puncture needle is extracted nook closing member out after advancing certain distance; Connect wave duct again or syringe positions test,, then need insert again and repeat above operation again after nook closing member continues to advance a segment distance like no show.Though this method can realize judging puncture needle and whether arrive epidural space, connect wave duct or syringe test position fix repeatedly again owing to need extract nook closing member repeatedly out, operating process is loaded down with trivial details, causes error easily.Simultaneously owing to fail whether the synchronous judgment puncture needle has arrived epidural space in the inserting needle process, thus the last time in the inserting needle process inserting needle dark excessively, defective is obvious.
Summary of the invention
The technical problem that the present invention will solve provides the cavum epidural puncture register guide; Make need not to extract out repeatedly nook closing member in the piercing process connects wave duct or syringe test position fix repeatedly again, can be implemented in whether the synchronous judgment puncture needle has arrived epidural space in the inserting needle process simultaneously.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: the cavum epidural puncture register guide; Include the nook closing member and the nook closing member base of a fruit; Said nook closing member is the hollow pipe that is provided with the tube chamber that connects nook closing member, and said nook closing member upper end is connected with the nook closing member base of a fruit that offers cavity, and the upper end of the said nook closing member base of a fruit is connected with the observing tube of being processed by transparent material; Said observing tube offers the observation chamber that connects observing tube, and the cavity of the tube chamber of said nook closing member, the nook closing member base of a fruit and the observation chamber of observing tube are communicated with successively.
Preferably, the said nook closing member base of a fruit and observing tube are one-body molded.
Wherein, the outer wall of said observing tube is provided with anti-skidding stricture of vagina.
Wherein, the chamber wall of the observation chamber of said observing tube is provided with and prevents the mobile voluntarily anti-flow liner of liquid.
Wherein, the bottom of the said nook closing member base of a fruit is provided with the annular groove that matees with the puncture needle tubing base of a fruit.
Wherein, the length of said observing tube is 2cm～5cm.
Wherein, said observing tube upper end sidewall offers passage, and said passage is communicated with observation chamber.
Wherein, the external diameter of the internal diameter of the upper end of said observing tube and syringe union joint is complementary.
Wherein, the lower end of said nook closing member offers two or more through hole.
Beneficial effect of the present invention is: the invention provides a kind of cavum epidural puncture register guide that cooperates puncture needle to use; Include the nook closing member and the nook closing member base of a fruit; Said nook closing member is the hollow pipe that is provided with the tube chamber that connects nook closing member; Said nook closing member upper end is connected with the nook closing member base of a fruit that offers cavity; The upper end of the said nook closing member base of a fruit is connected with the observing tube of being processed by transparent material, and said observing tube offers the observation chamber that connects observing tube, and the cavity of the tube chamber of said nook closing member, the nook closing member base of a fruit and the observation chamber of observing tube are communicated with successively.Earlier to the observation chamber injection appropriate amount of fluid of observing tube, like normal saline, liquid is because capillary acting on forms the one section fluid column that can supply observe in the observation chamber during use; Simultaneously nook closing member is inserted in the puncture needle tubing, puncture needle is thrust the subcutaneous slow propelling of human body, when puncture needle arrives epidural space; Because there is negative pressure in epidural space, because nook closing member is hollow, the cavity of the tube chamber of nook closing member, the nook closing member base of a fruit and the observation chamber of observing tube are communicated with successively simultaneously; So fluid column can move under action of pressure; On observing tube, can significantly observe moving of fluid column, just can know that puncture needle has arrived epidural space this moment, and operator stop inserting needle immediately.Therefore this register guide need not to extract out repeatedly nook closing member and connects wave duct or syringe test position fix repeatedly again in piercing process, and the complexity of reduction operation improves puncture efficient and reduces error, and effect is more remarkable concerning the abecedarian.Simultaneously can be implemented in whether the synchronous judgment puncture needle has arrived epidural space in the inserting needle process, improve the order of accuarcy of puncture.
Description of drawings
Fig. 1 is the cross-sectional view of the embodiment of the invention one.
Cross-sectional view when Fig. 2 is the embodiment of the invention one combination syringe use.
Cross-sectional view when Fig. 3 is the embodiment of the invention two combination syringes uses.
Cross-sectional view when Fig. 4 is the embodiment of the invention two cooperation puncture needles uses.
Cross-sectional view when Fig. 5 is the embodiment of the invention three cooperation puncture needles uses.
Cross-sectional view when Fig. 6 is the embodiment of the invention four cooperation puncture needles uses.
Cross-sectional view when Fig. 7 is the embodiment of the invention five cooperation puncture needles uses.
The specific embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the present invention is further described, the content that embodiment is mentioned not is to qualification of the present invention.
As depicted in figs. 1 and 2 is the embodiment one of cavum epidural puncture register guide according to the invention; Include the nook closing member 1 and the nook closing member base of a fruit 2; Said nook closing member 1 is for being provided with the hollow pipe of the tube chamber 3 that connects nook closing member 1; Said nook closing member 1 upper end is connected with the nook closing member base of a fruit 2 that offers cavity 4; The lower end of the said nook closing member base of a fruit 2 is connected with the observing tube of being processed by transparent material 5, and said observing tube 5 offers the observation chamber 6 that connects observing tube 5, and the observation chamber 6 of the tube chamber 3 of said nook closing member 1, the cavity 4 of the nook closing member base of a fruit 2 and observing tube 5 is communicated with successively.
Whether detect this register guide during use earlier unobstructed good and airtight good; Can adopt following method; As detecting with syringe gas injection or fluid injection, use finger or plug to block other pore of observation chamber 6 during gas injection, come the detection and location indicator whether unobstructed and airtight through pushing syringe.After detecting well, the observation chamber 6 to observing tube 5 injects appropriate amount of fluid earlier, and like normal saline, liquid is because capillary acting on forms the one section fluid column that can supply observe in the observation chamber 6; Then register guide is inserted in the puncture needle tubing; Then puncture needle is thrust the subcutaneous slow propelling of human body, when puncture needle arrives epidural space, because there is negative pressure in epidural space; Simultaneously because nook closing member 1 is hollow; The observation chamber 6 of the tube chamber 3 of nook closing member 1, the cavity 4 of the nook closing member base of a fruit 2 and observing tube 5 is communicated with successively, so fluid column can move under action of pressure, on observing tube 5, can significantly observe moving of fluid column; Just can know that puncture needle has arrived epidural space this moment, and operator stop inserting needle immediately.Therefore this register guide need not to extract out repeatedly nook closing member and connects wave duct or syringe test position fix repeatedly again in piercing process, and the complexity of reduction operation improves puncture efficient and reduces error, and effect is more remarkable concerning the abecedarian.Simultaneously can be implemented in whether the synchronous judgment puncture needle has arrived epidural space in the inserting needle process, improve the order of accuarcy of puncture.
In the present embodiment, the bottom of the said nook closing member base of a fruit 2 is provided with the annular groove 10 with the puncture needle tubing base of a fruit 11 couplings, and is as shown in Figure 1.When nook closing member 1 was inserted into needle tubing, the puncture needle tubing base of a fruit 11 can embed in the nook closing member base of a fruit 2 just, made to keep excellent sealing performance at puncture needle and register guide, improved localized reliability.Simultaneously also help mutually combining of this register guide and puncture needle, be convenient to operation and observe.Certainly also can be set to the groove of square groove or other shapes, as long as just can with the puncture needle tubing base of a fruit 11 couplings.
In the present embodiment, the length that preferred embodiment is said observing tube 5 is 2cm.This moderate length can reach good observing effect, also is unlikely to simultaneously the oversize influence operation of pushing pin.In addition, the length of observing tube 5 also can be other the arbitrary numerical value between 3cm, 5cm or the 2cm～5cm, as long as the length of observing tube can satisfy the observation demand.
In the present embodiment, the external diameter of the internal diameter of the upper end of said observing tube 5 and syringe union joint 9 is complementary.Owing to need to use earlier the performance of this register guide of syringe test as last carrying out puncture procedure, therefore, the size that the external diameter of the internal diameter of the upper end of observing tube 5 and syringe union joint 9 is complementary.
In the present embodiment, the lower end of said nook closing member 1 offers two through holes 8.Through offering more through hole 8 at nook closing member 1 leading portion; Avoid in the inserting needle process, having indivedual through hole 8 blocked and can't produce pressure differential when causing puncture needle to arrive epidural space; Cause fluid column not move and cause register guide to lose efficacy, the practicality of present embodiment is stronger.Certainly, can also offer three even more through hole 8 in order to obtain better effect.
Be the embodiment two of cavum epidural puncture register guide of the present invention like Fig. 3 and shown in Figure 4, be with the difference of the foregoing description one: the upper end sidewall of said observing tube 5 offers passage 7, and said passage 7 is communicated with observation chamber 6.Because the setting of passage 7; On even observing tube 5 upper ends are blocked; Observation chamber 6 still can with atmosphere; Thereby fluid column can correctly move when puncture needle arrives epidural space, so in the inserting needle process, can make the more convenient operation of pushing pin with hands by being pressed in observing tube 5 upper ends; Also avoid the operator to cause observation chamber 6 to fail and then make this register guide can not reach the effect of location indication, improved the operability and the practicality of this register guide with atmosphere owing in the past operating habit.All can ventilate in the upper end sidewall and the upper end of observing tube 5, thereby be applicable to the grasping person of different operating maneuver, and practicality is stronger.
Be illustrated in figure 5 as the embodiment three of cavum epidural puncture register guide of the present invention, be with the difference of the foregoing description two: the chamber wall of the observation chamber 6 of said observing tube 5 is provided with and prevents the mobile voluntarily anti-flow liner of liquid.Anti-flow liner is wavy in the present embodiment, utilizes the surface tension of liquid to avoid fluid column in 6 li free-flows of observation chamber, and then the erroneous judgement of avoiding so causing, and improves the accuracy of location indication.
Be illustrated in figure 6 as the embodiment four of cavum epidural puncture register guide of the present invention, be with the difference of the foregoing description three: the outer wall of said observing tube 5 is provided with anti-skidding stricture of vagina.Increase the frictional force between finger and the observing tube 5 through this anti-skidding stricture of vagina, exert all one's strength when conveniently pushing pin, the feasible operation of pushing pin is more prone to.This anti-skidding stricture of vagina is wavy anti-skidding stricture of vagina in the present embodiment, does not also influence the observation to fluid column in the while of conveniently pushing pin, and certainly, this anti-skidding stricture of vagina also can be the anti-skidding stricture of vagina of strip or other anti-skidding stricture of vagina.
Anti-flow liner is the square wave shape shown in the present embodiment, when avoiding fluid free flow, also is convenient to more observe.
Be illustrated in figure 7 as the most preferred embodiment five of cavum epidural puncture register guide of the present invention; Be with the difference of the foregoing description four: the said nook closing member base of a fruit 2 is one-body molded with observing tube 5; In the course of processing, need not again observing tube 5 to be assembled with the nook closing member base of a fruit 2 to be connected; Further simplify manufacturing procedure, reduced the register guide production cost, improve its production efficiency; Also avoided simultaneously in the assembling process locating inaccurate problem, made the location deictic function of this register guide more reliable owing to be connected tight causing between observing tube 5 and the nook closing member base of a fruit 2.
The foregoing description is the preferable implementation of the present invention, and in addition, the present invention can also realize by alternate manner that any conspicuous replacement is all within protection scope of the present invention under the prerequisite that does not break away from the present invention's design.
Claims (9)
1. cavum epidural puncture register guide; Include the nook closing member (1) and the nook closing member base of a fruit (2); It is characterized in that: said nook closing member (1) is for offering the hollow pipe of the tube chamber (3) that connects nook closing member (1); Said nook closing member (1) upper end is connected with the nook closing member base of a fruit (2) that offers cavity (4); The upper end of the said nook closing member base of a fruit (2) is connected with the observing tube of being processed by transparent material (5), and said observing tube (5) offers the observation chamber (6) that connects observing tube (5), and the observation chamber (6) of the tube chamber (3) of said nook closing member (1), the cavity (4) of the nook closing member base of a fruit (2) and observing tube (5) is communicated with successively.
2. cavum epidural puncture register guide according to claim 1 is characterized in that: the said nook closing member base of a fruit (2) is one-body molded with observing tube (5).
3. cavum epidural puncture register guide according to claim 1 is characterized in that: the outer wall of said observing tube (5) is provided with anti-skidding stricture of vagina.
4. cavum epidural puncture register guide according to claim 1 is characterized in that: the chamber wall of the observation chamber (6) of said observing tube (5) is provided with and prevents the mobile voluntarily anti-flow liner of liquid.
5. cavum epidural puncture register guide according to claim 1 is characterized in that: the bottom of the said nook closing member base of a fruit (2) is provided with the annular groove (10) with the puncture needle tubing base of a fruit (11) coupling.
6. cavum epidural puncture register guide according to claim 1 is characterized in that: the length of said observing tube (5) is 2cm～5cm.
7. cavum epidural puncture register guide according to claim 1 is characterized in that: the upper end sidewall of said observing tube (5) offers passage (7), and said passage (7) is communicated with observation chamber (6).
8. cavum epidural puncture register guide according to claim 1 is characterized in that: the external diameter of the internal diameter of the upper end of said observing tube (5) and syringe union joint (9) is complementary.
9. cavum epidural puncture register guide according to claim 1 is characterized in that: the lower end of said nook closing member (1) offers two or more through hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227093.2A CN102715937B (en) | 2012-07-03 | 2012-07-03 | Epidural space puncture location indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227093.2A CN102715937B (en) | 2012-07-03 | 2012-07-03 | Epidural space puncture location indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102715937A true CN102715937A (en) | 2012-10-10 |
| CN102715937B CN102715937B (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210227093.2A Expired - Fee Related CN102715937B (en) | 2012-07-03 | 2012-07-03 | Epidural space puncture location indicator |
Country Status (1)
| Country | Link |
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| CN (1) | CN102715937B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102895019A (en) * | 2012-11-01 | 2013-01-30 | 李志煜 | Anesthesia spinal needle with negative-pressure inner needle core |
| US9144436B2 (en) | 2013-06-24 | 2015-09-29 | Thomas A. Senatore | Apparatus for hanging drop detection of epidural space penetration |
| CN109938810A (en) * | 2019-03-27 | 2019-06-28 | 深圳市擎源医疗器械有限公司 | Needle Assembly and Balloon Catheter Kit |
| CN113288361A (en) * | 2021-05-31 | 2021-08-24 | 珠海金导医疗科技有限公司 | Puncture needle and using method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205828A (en) * | 1991-10-24 | 1993-04-27 | Dan Kedem | Epidural needle location indicator assembly |
| CN2160348Y (en) * | 1992-11-13 | 1994-04-06 | 宗酉明 | Diagnosis apparatus for external puncture of spinal cord |
| CN2505028Y (en) * | 2001-11-09 | 2002-08-14 | 张国庆 | Test tube for decision of external space of spinal cord |
| US20020198501A1 (en) * | 2001-06-22 | 2002-12-26 | Kumar Matthew M. | Epidural needle having a distal flare |
| CN2600057Y (en) * | 2003-01-16 | 2004-01-21 | 郑济兰 | Nanometric type lumbar puncture outfit |
| CN2610225Y (en) * | 2003-07-28 | 2004-04-07 | 刘吉川 | Steam pocket water-level double-compartment container |
| CN201516074U (en) * | 2009-10-29 | 2010-06-30 | 张学春 | Skin puncture withdrawing needle for anesthesia |
| CN201642250U (en) * | 2010-04-06 | 2010-11-24 | 鲁国 | Lumbar puncture needle |
| CN202223684U (en) * | 2011-08-15 | 2012-05-23 | 孙少东 | Safe liquid level self-locking structure for transfusion tube |
| CN102488545A (en) * | 2011-12-13 | 2012-06-13 | 肖国红 | Puncture needle for epidural space |
| CN202665704U (en) * | 2012-07-03 | 2013-01-16 | 罗永温 | Epidural puncture positioning indicator |
-
2012
- 2012-07-03 CN CN201210227093.2A patent/CN102715937B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205828A (en) * | 1991-10-24 | 1993-04-27 | Dan Kedem | Epidural needle location indicator assembly |
| CN2160348Y (en) * | 1992-11-13 | 1994-04-06 | 宗酉明 | Diagnosis apparatus for external puncture of spinal cord |
| US20020198501A1 (en) * | 2001-06-22 | 2002-12-26 | Kumar Matthew M. | Epidural needle having a distal flare |
| CN2505028Y (en) * | 2001-11-09 | 2002-08-14 | 张国庆 | Test tube for decision of external space of spinal cord |
| CN2600057Y (en) * | 2003-01-16 | 2004-01-21 | 郑济兰 | Nanometric type lumbar puncture outfit |
| CN2610225Y (en) * | 2003-07-28 | 2004-04-07 | 刘吉川 | Steam pocket water-level double-compartment container |
| CN201516074U (en) * | 2009-10-29 | 2010-06-30 | 张学春 | Skin puncture withdrawing needle for anesthesia |
| CN201642250U (en) * | 2010-04-06 | 2010-11-24 | 鲁国 | Lumbar puncture needle |
| CN202223684U (en) * | 2011-08-15 | 2012-05-23 | 孙少东 | Safe liquid level self-locking structure for transfusion tube |
| CN102488545A (en) * | 2011-12-13 | 2012-06-13 | 肖国红 | Puncture needle for epidural space |
| CN202665704U (en) * | 2012-07-03 | 2013-01-16 | 罗永温 | Epidural puncture positioning indicator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102895019A (en) * | 2012-11-01 | 2013-01-30 | 李志煜 | Anesthesia spinal needle with negative-pressure inner needle core |
| US9144436B2 (en) | 2013-06-24 | 2015-09-29 | Thomas A. Senatore | Apparatus for hanging drop detection of epidural space penetration |
| CN109938810A (en) * | 2019-03-27 | 2019-06-28 | 深圳市擎源医疗器械有限公司 | Needle Assembly and Balloon Catheter Kit |
| CN113288361A (en) * | 2021-05-31 | 2021-08-24 | 珠海金导医疗科技有限公司 | Puncture needle and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102715937B (en) | 2015-01-07 |
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