CN208741099U - Disposable Epidural cavity bicavity puncture needle - Google Patents
Disposable Epidural cavity bicavity puncture needle Download PDFInfo
- Publication number
- CN208741099U CN208741099U CN201820633596.2U CN201820633596U CN208741099U CN 208741099 U CN208741099 U CN 208741099U CN 201820633596 U CN201820633596 U CN 201820633596U CN 208741099 U CN208741099 U CN 208741099U
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- China
- Prior art keywords
- needle
- core
- mouth
- tubing
- needle tubing
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Abstract
The utility model is a kind of disposable Epidural cavity bicavity puncture needle, solves the problems, such as that inhibiting pain in parturition is not complete.The utility model includes needle body and needle core, and needle body includes handle and needle tubing, and the needle tip of needle tubing is micro-bend shape, the side opposite with main needle mouth offers secondary needle mouth on the needle tip of needle tubing, it is provided with partition portion in needle tubing, major and minor needle mouth is placed in the two sides in partition portion, offers fracture in partition；Needle core includes lid, and the core matched with syringe intracavity body space and secondary core are connected on lid.The utility model design science, structure are simple, easy to use, it is mainly used for inhibiting pain in parturition, first stage of labor is used for by the upper catheter drug delivery in insertion needle tubing, second stage of labor is administered for by the downcomer in insertion needle tubing, the use of the utility model puncture tube can arrive the nerve of sacrum 4 with a small amount of narcotic blockade sacrum 2, improve the pain of second stage of labor, dosage is many without increasing.
Description
Technical field
The utility model relates to a kind of medical instrument, specifically a kind of disposable Epidural cavity bicavity puncture needle.
Background technique
Though painless delivery is in China's application many years, method is different, and effect is also different.In pushing away for " painless delivery China row "
Under dynamic, gradually using more and more extensively, effect is also become better and better.The problem of may be present is that common second stage of labor analgesia is not good enough.Because of one
A point of puncture can only take up or down into account, cannot both take into account.Two locus puncture, which sets pipe, can solve the problem, but patient is reluctant to connect
By operation is also cumbersome, and the use of this method is subject to certain restrictions.Single tube application mainly solves the pain of first stage of labor, because
The first stage of labor time is long.The nerve of second stage of labor pain is incoming to 4 nerve of sacrum by sacrum 2, and the capacity often through single tube injection is not up to
The nerve of sacrum 4 is arrived to retardance sacrum 2, if it is satisfied to reach second stage of labor by increasing capacity, complication is consequently increased.
Summary of the invention
Purpose of the utility model is to solve the problems that inhibiting pain in parturition is not complete, and it is double to provide a kind of disposable Epidural cavity
Chamber puncture needle.
The utility model is achieved by the following technical solution:
A kind of disposable Epidural cavity bicavity puncture needle, including needle body and needle core, needle body include handle and needle tubing, the needle of needle tubing
Tip is micro-bend shape, and the side opposite with main needle mouth offers secondary needle mouth on the needle tip of needle tubing, along its axis direction in needle tubing
It is provided with partition portion, the end that partition portion is located at needle tip is connected and fixed with close to the needle tubing tube wall at secondary needle mouth, and main needle mouth
Be placed in the two sides in partition portion with secondary needle mouth, and the midline of partition portion along its length offers fracture；Needle core includes lid,
It is connected with solid main core body and secondary core on lid, is connected and fixed between main core body and secondary core by connector；The lid of needle core
Body is inserted into 3 on the handle of needle body, and the main core body cooperation of needle core is inserted into the cavity communicated in needle tubing with main needle mouth, and main core
The end of body is concordant with main needle mouth, and the secondary core cooperation of needle core is inserted into the cavity communicated in needle tubing with secondary needle mouth, and secondary core
The end of body is concordant with secondary needle mouth, and the connector cooperation of needle core is inserted into the fracture in needle tubing among partition portion.
In the prior art, if point of puncture position is high, first stage of labor effect is good, and second stage of labor analgesia is not complete；If puncturing point
It sets low, second stage of labor effect is good, and first stage of labor analgesia is not complete, so clinical second stage of labor analgesic effect mostly is bad.And this reality
With novel one-time puncture, an epidural catheter is respectively set up and down by needle tubing, the first and second stages of labor can be taken into account, so analgesia
Effect is good.
The specific operation method is as follows when being punctured by the utility model puncture needle:
1) implement operation when puerpera's rule uterine contraction, pain are significant, first measure puerpera's blood pressure, heart rate, fetal rhythm etc., take and lie on the left side
Position is punctured with 3-4 gap of waist, puncture needle as far as possible up and down, left and right it is vertical, be conducive to be placed in epidural catheter up and down, pass through needle tubing
Interior two cavitys set 5-8 centimetres of pipe first to 5-8 centimetres of underlying pipe then up, i.e., downcomer with main needle mouth by communicating
Cavity enters needle tubing, and finally stretches out from main needle mouth, and upper conduit enters needle tubing by the cavity communicated with secondary needle mouth, and finally from
Secondary needle mouth stretches out.When to underlying pipe, if being hampered power, puncture needle notch direction is adjusted, gently rotary guide pipe continues to send pipe, such as hinders
There is also can enter side with 0.06 ~ 0.1% Ropivacaine marginal not and send pipe, medical fluid does not surpass 10 milliliters, while side pumpback, prevents conduit power
Into blood vessel or cavum subarachnoidale, if there is also be sent into 5 centimetres or so with regard to this stopping to resistance；When setting pipe upwards, it is sent into upwards
8 centimetres of conduit can (position just corresponds to when changing caesarean birth), if pipe is sent to be hampered power processing method with sending pipe downwards.It determines up and down
Conduit can be sticked together in the position of two-tube root backrest portion with a small amount of adhesive plaster after being respectively positioned on epidural space, then with wide adhesive plaster
Firm conduit is laterally pasted, upper downcomer, pipe joint yellow as above etc. are distinguished according to tubing color.
2) it is administered after measuring muscular strength, upper 5 milliliters of 1% lidocaine of conduit, surveys plane after five minutes, determine conduit in Epidural cavity
According to the plane of measurement and puerpera analgesic effect after chamber, second of upper conduit gives 5-7 milliliters of 0.1% Ropivacaine (every 100 milli
Rise plus 30 ~ 50 microgram of sufentanil), it is general effective at 10 ~ 20 minutes, after second of administration 30 minutes such as scoring at 3 points hereinafter,
Second of survey muscular strength of progress (the innervation waist 2 of lift leg arrives sacrum 1), while downcomer gives 1% lidocaine, 5 milliliters of tested numbers (such as
Set Guan Shiyi and be just no longer administered to 10 milliliters of 0.06 ~ 0.1% Ropivacaine), primipara's cervix opens 6 ~ 7 centimetres big, multipara's cervix
It opens second of big 3 ~ 4 centimetres of down tubes to be administered, is measured after muscular strength result compares according to the muscular strength result of survey with first time and determine to give down
The concentration (0.06 ~ 0.1% Ropivacaine) of conduit medicine, general 0.075% Ropivacaine.Downcomer gives 15 ~ 20 milliliters of (sacrum lumens
25 ~ 30 milliliters, given drug is mostly in canalis sacralis, and the too small retardance of administration capacity is not perfect, and low concentration influences small, blood to kinesitherapy nerve
Drops are unobvious.Solution can be flowed into canalis sacralis by large capacity, and sacral nerve is allowed to impregnate, and because concentration is low, is played a role slow, need to be given in advance
Medicine).Upper conduit interval 40-60min or so gives 3 ~ 5 milliliters of 0.1% Ropivacaine, and downcomer interval 40-60min or so injects low
10 ~ 15 milliliters of concentration Ropivacaine, until second stage of labor terminates.
Further, on the needle tip of needle tubing, the position of secondary needle mouth is higher than the position 1-3mm of main needle mouth.
Further, the decreased food of needle body is 25mm, and the needle tubing length exposed to outside handle is 80mm, the outer diameter of needle tubing
For 1.8mm, internal diameter 1.5mm, the fracture width in partition portion is 0.25mm.
It is well known that the needle tubing diameter maximum of general anesthesia spinal needle can be 1.8mm, needle tubing pipe thickness of skimming,
Internal diameter only can reach 1.5mm, the needle tubing diameter selection 1.8mm's of the utility model puncture needle.The setting of the utility model puncture needle
There are two needle mouths of major-minor, while being additionally provided with the partition portion for separating two needle mouths of major-minor, partition portion will be divided into two inside needle tubing
A cavity, one is the main cavity communicated with main needle mouth, the other is the secondary cavity communicated with secondary needle mouth, because of the internal diameter of needle tubing
Only 1.5mm, after partition portion is arranged, the most width of main cavity and secondary cavity is from just less than 0.75mm in needle tubing.This is practical new
Type puncture needle when in use, will be inserted into two conduits in needle tubing, i.e., each in main cavity and secondary cavity to plug in a conduit, conduit
Outer diameter is 0.7mm, in order to enable conduit can more smoothly intert in main cavity or secondary cavity, so the utility model is in needle
Fracture is offered in partition portion in pipe, so that two cavity connections of major-minor, in this way, insertion main cavity and secondary intracorporal two of chamber
Conduit can mutually be got together by the fracture in partition portion, so that the intracorporal conduit of major-minor chamber can be more smoothly
It is interspersed.Simultaneously as the width of fracture is less than the diameter of conduit in partition portion, so the intracorporal conduit of major-minor chamber will not be by disconnected
Mouthful and cross in the cavity of opposite side.Limited space segment in needle tubing has been saved in the design of fracture to the full extent in partition portion.
The utility model design science, structure are simple, easy to use, are mainly used for inhibiting pain in parturition, by insertion needle tubing
Upper catheter drug delivery be used for first stage of labor, by insertion needle tubing in downcomer be administered for second stage of labor, the utility model is worn
The use of thorn pipe can reach accurate retardance, keep analgesia more perfect.Inspection information is showed no both at home and abroad using such puncture needle
Report.
Detailed description of the invention
Attached drawing herein is used to provide the further explanation to the utility model, constitutes part of this application, this is practical
Novel illustrative embodiments and their description are used to explain the utility model, not constitute improper limits to the present invention.
Fig. 1 is the structural schematic diagram of the needle body of the utility model puncture needle.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the dorsal view of Fig. 1.
Fig. 4 is the structural schematic diagram of the needle core of the utility model puncture needle.
Fig. 5 is the A-A cross-sectional view in Fig. 1.
Fig. 6 is the sectional view of part B in Fig. 2.
In figure: the main needle mouth of 1- handle, 2- needle tubing, 3-, 4- pair needle mouth, 5- partition portion, 6- fracture, 7- lid, 8- main core body,
9- pair core, 10- connector, 11- conduit.
Specific embodiment
In order to make those skilled in the art better understand the utility model, below in conjunction with reference attached drawing and in conjunction with the embodiments
Further clear, complete explanation is made to the utility model.It should be noted that in the absence of conflict, in the application
Feature in embodiment and embodiment can be combined with each other.
As shown in Figures 1 to 6, a kind of disposable Epidural cavity bicavity puncture needle, including needle body and needle core, needle body include handle
1 and needle tubing 2, the needle tip of needle tubing 2 is micro-bend shape, and the side opposite with main needle mouth 3 offers secondary needle mouth on the needle tip of needle tubing 2
4, the position of secondary needle mouth 4 is higher than the position 1-3mm of main needle mouth 3, i.e., the more main needle mouth 3 in position of secondary needle mouth 4 is located closer to hand
Handle 1 is provided with partition portion 5 along its axis direction in needle tubing 2, and partition portion 5 is located at the end of needle tip and close at secondary needle mouth
Needle tubing tube wall is connected and fixed, and main needle mouth 3 and secondary needle mouth 4 are placed in the two sides in partition portion 5, and partition portion 5 is along its length
Midline offers fracture 6；Needle core includes lid 7, and solid main core body 8 and secondary core 9,8 He of main core body are connected on lid 7
It is connected and fixed between secondary core 9 by connector 10；The lid 7 of needle core is inserted on the handle 1 of needle body, and the main core body 8 of needle core is matched
It closes in the cavity for being inserted into and being communicated in needle tubing 2 with main needle mouth 3, and the end of main core body 8 is concordant with main needle mouth 3, the secondary core of needle core
Body 9 cooperates in the cavity for being inserted into and communicating in needle tubing 2 with secondary needle mouth 4, and the end of secondary core 9 is concordant with secondary needle mouth 4, needle core
Connector 10, which cooperates, to be inserted into the fracture 6 in needle tubing 2 among partition portion 5.Wherein, 1 length of handle of needle body is 25mm, exposed
It is 80mm in 2 length of needle tubing outside handle 1, the outer diameter of needle tubing 2 is 1.8mm, internal diameter 1.5mm, and the fracture 6 in partition portion 5 is wide
Degree is 0.25mm.
In use, the utility model puncture needle is punctured at lumbar vertebrae position, after extracting needle core out, in needle tubing 2 respectively
It is inserted into two conduits 11, a conduit 11 up and down to be inserted into the cavity communicated with main needle mouth 3, is underlying conduit, another is led
Pipe 11 is inserted into the cavity communicated with secondary needle mouth 4, above to set conduit；By setting catheter drug delivery and being used in insertion needle tubing 2
First stage of labor, first stage of labor are visceral pain, chest 10-12,1 innervation of waist；It is given by the underlying conduit in insertion needle tubing 2
Medicine is used for second stage of labor, and second stage of labor is somatic nerves, by sacrum 2-4 innervation.The use of the utility model puncture tube can reach
To the purpose accurately blocked, improve the pain of second stage of labor, dosage is many without increasing.
The above is clearly and completely described to the technical scheme in the embodiment of the utility model, described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
All other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
Claims (3)
1. a kind of disposable Epidural cavity bicavity puncture needle, including needle body and needle core, needle body includes handle (1) and needle tubing (2), needle tubing
(2) needle tip is micro-bend shape, it is characterised in that: the side opposite with main needle mouth (3) offers pair on the needle tip of needle tubing (2)
Needle mouth (4) is provided with partition portion (5) in needle tubing (2) along its axis direction, partition portion (5) be located at needle tip end and close to
Needle tubing tube wall at secondary needle mouth is connected and fixed, and main needle mouth (3) and secondary needle mouth (4) are placed in the two sides of partition portion (5), partition portion
(5) midline along its length offers fracture (6)；Needle core includes lid (7), and lid is connected with solid master on (7)
Core (8) and secondary core (9), are connected and fixed between main core body (8) and secondary core (9) by connector (10)；The lid (7) of needle core
It is inserted on the handle (1) of needle body, main core body (8) cooperation of needle core is inserted into the cavity communicated in needle tubing (2) with main needle mouth (3)
It is interior, and the end of main core body (8) is concordant with main needle mouth (3), secondary core (9) cooperation of needle core is inserted into needle tubing (2) and secondary needle
In the cavity that mouth (4) communicates, and the end of secondary core (9) is concordant with secondary needle mouth (4), and connector (10) cooperation of needle core is inserted into
In the intermediate fracture (6) of the interior partition portion (5) of needle tubing (2).
2. disposable Epidural cavity bicavity puncture needle according to claim 1, it is characterised in that: on the needle tip of needle tubing (2),
The position of secondary needle mouth (4) is higher than the position 1-3mm of main needle mouth (3).
3. disposable Epidural cavity bicavity puncture needle according to claim 1 or 2, it is characterised in that: the handle (1) of needle body is long
Degree is 25mm, and exposing to needle tubing (2) length of handle (1) outside is 80mm, and the outer diameter of needle tubing (2) is 1.8mm, internal diameter 1.5mm,
Fracture (6) width in partition portion (5) is 0.25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633596.2U CN208741099U (en) | 2018-04-29 | 2018-04-29 | Disposable Epidural cavity bicavity puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633596.2U CN208741099U (en) | 2018-04-29 | 2018-04-29 | Disposable Epidural cavity bicavity puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208741099U true CN208741099U (en) | 2019-04-16 |
Family
ID=66051284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820633596.2U Expired - Fee Related CN208741099U (en) | 2018-04-29 | 2018-04-29 | Disposable Epidural cavity bicavity puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208741099U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451607A (en) * | 2018-04-29 | 2018-08-28 | 麻友桂 | Disposable Epidural cavity bicavity puncture needle |
| CN110037778A (en) * | 2019-04-30 | 2019-07-23 | 青岛市中心医院 | A kind of gastrointestinal surgery abdominal operation sting device |
-
2018
- 2018-04-29 CN CN201820633596.2U patent/CN208741099U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451607A (en) * | 2018-04-29 | 2018-08-28 | 麻友桂 | Disposable Epidural cavity bicavity puncture needle |
| CN110037778A (en) * | 2019-04-30 | 2019-07-23 | 青岛市中心医院 | A kind of gastrointestinal surgery abdominal operation sting device |
| CN110037778B (en) * | 2019-04-30 | 2021-09-17 | 青岛市中心医院 | Gastrointestinal surgery abdominal cavity operation puncture device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20200429 |