CN201798998U - Thoracic cavity puncture needle - Google Patents
Thoracic cavity puncture needle Download PDFInfo
- Publication number
- CN201798998U CN201798998U CN2010205555761U CN201020555576U CN201798998U CN 201798998 U CN201798998 U CN 201798998U CN 2010205555761 U CN2010205555761 U CN 2010205555761U CN 201020555576 U CN201020555576 U CN 201020555576U CN 201798998 U CN201798998 U CN 201798998U
- Authority
- CN
- China
- Prior art keywords
- puncture needle
- tubing
- needle
- closing member
- nook closing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a thoracic cavity puncture needle, which comprises a puncture needle tube and a latex tube. The pinhead of the puncture needle tube is of a sharp shape. The latex tube is connected with the rear end of the puncture needle tube. The thoracic cavity puncture needle further comprises a hollow protecting needle core with a plurality of sieve apertures equipped on the front. The protecting needle core which is a circular blunt head is capable of sliding inside the puncture needle tube and used for protecting and preventing the human body splanchnic tissues from being scratched. The front of the latex tube is provided with folds for pushing the protecting needle core to slide forward. The circular blunt head protecting needle core in the utility model can protect the puncture needle tip, prevent the visceral pleura and the internal organs from being damaged and improve the liquid or air suction safety inside the thoracic cavity. Even the position change of the puncture needle inside the thoracic cavity will not pose a damaging threat to the visceral pleura and the internal organs. The change inside the latex tube negative pressure chamber after the partial pleura is punctured can be noticed even by a green hand. Therefore, the thoracic cavity puncture needle is simple and convenient in operation.
Description
Technical field
This utility model relates to a kind of thoracic cavity related medical puncture instrument, especially relates to a kind of thoracentesis needle.
Background technology
The purpose of pleurocentesis is to clarify a diagnosis and alleviates the pressure of internal organs, and its main operational steps is: (1) is in selected point of puncture inserting needle local anesthesia; (2) check whether puncture needle is unobstructed, prepare puncture; (3) patient punctures at point of puncture, slow inserting needle during puncture, when inserting needle during to the degree of depth shown in the B ultrasonic location, the pumpback of can trying is extracted out as no gas or liquid, can continue suitable inserting needle, extract out if any gas or liquid, then stop to continue inserting needle, intrathoracic gas of suction or liquid under the assistant assists are finished puncture; (4) after puncture finishes, need when intrapleural injection, then need extract puncture needle, inject with syringe; (5) finish above-mentioned steps after, need to cover with sterile gauze in puncture place, blended rubber cloth is fixed; (6) chest fluid of Chou Chuing is inspected by ready samples respectively according to state of an illness needs.
Existing puncture needle is difficult to accurately hold penetration depth, often needs with repeatedly pumpback of syringe, and until having gas or liquid to extract out, this operates with regard to often needing two people.In addition, gas or liquid are taken out more after a little while more in the thoracic cavity, and visceral pleura is more and more pressed close to parietal pleura, and the patient needs conversion needle tip position often as thinking as far as possible extracting gases or liquid, so just is more prone to visceral pleura, internal organs are damaged.If the intrathoracic hydrops amount of patient is few, the point of puncture position on the lower side or site of puncture when closing on important organ or blood vessel, easier like this damaging.
The utility model content
The purpose of this utility model is to provide thoracentesis needle a kind of one man operation of realization, safe and easy to operate.
This thoracentesis needle that this utility model provides; comprise puncture needle tubing and latex tubing; the syringe needle of described puncture needle tubing is pointed; described latex tubing is connected the puncture syringe rear end; also comprise a protection nook closing member that is used to protect human body viscera to organize and is not scratched; described protection nook closing member is a hollow structure, and its front end syringe needle is circular blunt nosed and has some sieve apertures that this protection nook closing member is installed in the puncture needle tubing and slippage therein.
The rear end of described protection nook closing member has one to be used to prevent to protect nook closing member to skid off the positioning sleeve of puncture needle tubing, and described positioning sleeve can be enclosed within on the syringe, is convenient to the medicine injection.
Be provided with a uniaxial pressure valve in the described latex tubing, be used to prevent the thoracic cavities of flowing backwards go back to such as gas and liquid.
Described latex tubing and puncture needle tubing adopt and are threaded.
The front end of described latex tubing is provided with the wrinkle wall, be used for squeezing the thrust protection nook closing member in the puncture needle tubing to preceding slippage.
This utility model in use; puncture at anchor point with the puncture needle tubing earlier; the reuse syringe carries out pumpback to latex tubing after the tip of puncture needle tubing penetrates skin; under the one-way flow effect of uniaxial pressure valve; can form a vacuum chamber that presents compressive state in the latex tubing; when in a single day tip punctures parietal pleura; intrathoracic hydrops or gas can flow in the vacuum chamber; make that vacuum chamber's volume begins to restore; this moment, the patient just can promote to protect nook closing member to slide in the puncture needle tubing, made circular blunt nosed protection nook closing member continue to thrust until the precalculated position.Circular blunt nosed protection nook closing member just can be protected needle tip in this utility model, avoids the damage of visceral pleura and internal organs, the safety of drawing liquid or gas in the raising thoracic cavity, even puncture needle change location in the thoracic cavity, also unlikely damage visceral pleura and internal organs.Even and the variation abecedarian that parietal pleura is punctured in the latex tubing vacuum chamber of back can both find out, and is simple to operation.
Description of drawings
Fig. 1 is this utility model structural representation.
Fig. 2 is Fig. 1 A place structure for amplifying sketch map.
Fig. 3 is the prior art structural representation.
The specific embodiment
As can be seen from Figure 1; this thoracentesis needle of the present utility model; comprise the protection nook closing member 3 of puncture needle tubing that a syringe needle is a tip 1, a latex tubing 2 and a hollow, latex tubing 2 is by being threadedly connected to puncture needle tubing 1 tail end, slippage before and after protection nook closing member 3 can be enclosed within the puncture needle tubing 1.Front end at latex tubing 2 is provided with one section wrinkle wall 21, and convenient the promotion protected nook closing member 3 slippage forward, is provided with a uniaxial pressure valve 22 in latex tubing 2, and the liquid in these uniaxial pressure valve 22 may command latex tubings 2 or gases can only flow into from puncture needle tubing 1 end.Protection nook closing member 3 is circular blunt nosed; on its front end syringe needle, have several sieve apertures 31; the positioning sleeve 32 that a protrusion is arranged in the rear end of protection nook closing member 3; this positioning sleeve 32 both can lean against the afterbody of puncture needle pipe 1; be used to prevent to protect nook closing member 3 in puncture needle tubing 1, to skid off; can be enclosed within on the syringe again, be convenient to the medicine injection.
This utility model in use, the patient needs will protect earlier nook closing member 3 to be nested with in puncture needle tubing 1, latex tubing 2 is twisted be spun on needle tubing 1 rear ends of puncturing again, the rear end with latex tubing 2 is enclosed within on the syringe at last.Puncture at anchor point with the puncture needle tubing, after the tip of puncture needle tubing 1 penetrates skin, with syringe latex tubing 2 is carried out pumpback, under the one-way flow effect of uniaxial pressure valve 21, latex tubing 2 is near forming a vacuum chamber that presents compressive state in the end of puncture needle tubing 1.After the tip of puncture needle tubing 1 punctures parietal pleura; intrathoracic gas or liquid flow in the vacuum chamber of latex tubing 2 under suction function; make the volume of vacuum chamber begin to restore; this moment, the patient can judge easily that just patient's parietal pleura is the worse for wear; and then by pushing 21 promotion protection nook closing members 3 slips in puncture needle tubing 1 of wrinkle wall; circular blunt nosed continuation of protection nook closing member 3 worn to assigned address, thereby guarantee that needle tip can not damage internal organs.At last, use syringe to extract intrathoracic hydrothorax or pneumatosis.
This utility model is because the one-way flow effect of uniaxial pressure valve 21 in the latex tubing 2; make the material in the latex tubing 2 to reflux; when needs during to the intrathoracic injection medicine; latex tubing 2 can be taken off from puncture needle tubing 1 rear end; after syringe directly is connected to protection nook closing member 3, realize the injection of intrathoracic medicine.
Claims (5)
1. thoracentesis needle; comprise puncture needle tubing (1) and latex tubing (2); the syringe needle of described puncture needle tubing (1) is pointed; described latex tubing (2) is connected puncture needle tubing (1) rear end; it is characterized in that also comprising a protection nook closing member (3) that is used to protect human body viscera to organize and is not scratched; described protection nook closing member (3) is a hollow structure; its front end syringe needle is circular blunt nosed and has some sieve apertures (31) that this protection nook closing member (3) is installed in the puncture needle tubing (1) and slippage therein.
2. thoracentesis needle according to claim 1; the rear end that it is characterized in that described protection nook closing member (3) has one to be used to prevent to protect nook closing member (3) to skid off the positioning sleeve (32) of puncture needle tubing (1); described positioning sleeve (32) can be enclosed within on the syringe, is convenient to the medicine injection.
3. thoracentesis needle according to claim 1 and 2 is characterized in that being provided with a uniaxial pressure valve (22) in described latex tubing (2), is used to prevent the thoracic cavities of flowing backwards go back to such as gas and liquid.
4. thoracentesis needle according to claim 1 and 2 is characterized in that described latex tubing (2) and puncture needle tubing (1) employing are threaded.
5. thoracentesis needle according to claim 1 and 2 is characterized in that the front end of described latex tubing (2) is provided with wrinkle wall (21), is used for squeezing thrust protection nook closing member (3) slippage before puncture needle tubing (1) is introversive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205555761U CN201798998U (en) | 2010-10-11 | 2010-10-11 | Thoracic cavity puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205555761U CN201798998U (en) | 2010-10-11 | 2010-10-11 | Thoracic cavity puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201798998U true CN201798998U (en) | 2011-04-20 |
Family
ID=43868513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205555761U Expired - Fee Related CN201798998U (en) | 2010-10-11 | 2010-10-11 | Thoracic cavity puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201798998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947123A (en) * | 2010-10-11 | 2011-01-19 | 黄文良 | Chest puncture needle |
-
2010
- 2010-10-11 CN CN2010205555761U patent/CN201798998U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947123A (en) * | 2010-10-11 | 2011-01-19 | 黄文良 | Chest puncture needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20131011 |