CN103190944B - Disposable pericardium chest puncture needle - Google Patents
Disposable pericardium chest puncture needle Download PDFInfo
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- CN103190944B CN103190944B CN201310149059.2A CN201310149059A CN103190944B CN 103190944 B CN103190944 B CN 103190944B CN 201310149059 A CN201310149059 A CN 201310149059A CN 103190944 B CN103190944 B CN 103190944B
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Abstract
The invention discloses a disposable pericardium chest puncture needle which comprises a needle core, a drainage catheter and a drainage catheter joint chair. The needle core is arranged in the drainage catheter, a drainage cavity is arranged in the drainage catheter joint chair, the drainage cavity is internally provided with a rubber block, the needle core extends toward the drainage catheter joint chair and passes through the rubber block, one end of the needle core is provided with a needle core joint base which is hermetically matched with the drainage catheter joint chair, and the drainage catheter joint chair is provided with a side drainage tube which is provided with a three-way control device. According to the disposable pericardium chest puncture needle provided by the invention, during puncture and drainage, the puncture needle can retreat to prevent the tip from damaging heart and lug tissues. A gas one-way valve and an emergency end cover on the side drainage tube can be used as an emergent rescue tool for patients with severe tension pneumothorax. The three-way control device and the three-way side interface are arranged on the side drainage tube. The switch effect can be performed by the three-way control device as well as puncture and drainage of hydropericardium and pleural effusion and pericardium and chest injection of medication can be performed.
Description
Technical field
The present invention relates to a kind of medical needle, be specifically related to a kind of expendable puncture needle for pericardium and cavum thoracis.
Background technology
Pericardial effusion, hydrothorax and spontaneous pneumothorax are clinical medicine common diseases.In most of the cases, in order to clarify a diagnosis and treat, pericardial effusion and hydrothorax must carry out examination by centesis and drain.Impact on intrathoracic pressure power after the different situations that spontaneous pneumothorax breaks according to visceral pleura and pneumothorax thereof occur, is divided into closed pneumothorax, communicating pneumothorax and tension pneumothorax usually.The treatment of spontaneous pneumothorax, comprises expectant treatment, bleeds or closed drainage of pleural cavity and surgical intervention.In most cases all need to carry out bleeding or closed drainage, when Pulmonary Function is poor or a large amount of pneumothorax time, especially occur tension pneumothorax time, must carry out rapidly effective pneumothorax closed drainage treatment.As a rule, pneumothorax needs of patients carries out persistence closed drainage of pleural cavity.In addition, in limited instances, if fail after water-sealed drainage bottle drain, pleura cut is healed, lung still can not be opened again, can add and carry out drain with negative pressure suction device after drainage tube.
Implement pericardium, hydrothorax puncture drainage or pneumothorax drain time, need to use drainage needle to insert pericardium or thoracic cavity, clinical or use steel pin to carry out relevant drain at present, but may occur because the phenomenon of puncture failure appears in muscular tissue blocking pin hole.And when carrying out pericardial effusion drain, due to the extraction of pericardial effusion or heartthrob, may occur that needle point impair cardiac brings out cardiac electric disorder, even there is sudden cardiac arrest, or bring out pericardial tamponade due to needle point impair cardiac blood vessel.When hydrothorax puncture drainage or pneumothorax drain, the continuous drain of hydrothorax or gas, lung tissue is expanded, and likely causes needle point damage alveolar and trigger iatrogenic pneumothorax.Clinically owing to being in fear of the damage of needle point to heart or lung tissue, usually can only terminate the drain of being correlated with in advance, make pericardial effusion, hydrothorax or pneumothorax drain not thorough.
Publication number is that the Chinese patent of CN101259029A discloses a kind of disposable thoracic drainage needle, this drainage needle arranges cavity in drainage catheter joint chair, drainage catheter arranges and to be connected with it and to extend to the external world, and the side drainage catheter be communicated with drainage catheter, one end that side drainage catheter is connected with drainage catheter joint chair is in the front end of this cavity, the tail end of side drainage catheter is provided with at least one interface, this interface is provided with connected emergent end cap, emergent end cap is unidirectional gas trap, not easily along upper intercostal vessels during this lancet puncture, aerofluxus is rapid, but this drainage needle side drainage catheter on there is no special controlling organization, when carrying out drain, be not easy to control extraction hydrops.In addition, whether the patented product can not insert position accurately in observation, does not utilize the observation of medical personnel to protect.
Summary of the invention
The object of the invention is to: for the deficiencies in the prior art, the invention provides a kind of pericardium, hydrothorax and pneumothorax of being applicable to and comprise tension pneumothorax puncture drainage, easily control and the expendable puncture needle for pericardium and cavum thoracis being convenient to observe protection.
To achieve these goals, present invention employs following technical scheme:
A kind of expendable puncture needle for pericardium and cavum thoracis, comprise nook closing member and interconnective drainage catheter and drainage catheter joint chair, described nook closing member is arranged in drainage catheter, the drain cavity be communicated with drainage catheter is provided with in described drainage catheter joint chair, block rubber is provided with in described drain cavity, described nook closing member extends to drainage catheter joint chair direction and penetrates the block rubber in drain cavity, one end that described nook closing member passes block rubber is provided with nook closing member interface block, described nook closing member interface block and described drainage catheter joint chair are sealed and matched, described drainage catheter joint chair is provided with described drain cavity connects and extends to extraneous side drainage tube, one end that described side drainage tube is connected with drainage catheter joint chair is in the front end of described drain cavity, it is characterized in that: in described nook closing member interface block, be provided with back cavity, described nook closing member inner hollow, one end that described nook closing member passes block rubber extends towards nook closing member interface block and is communicated with described back cavity, the sidewall of described back cavity is provided with the unidirectional valve plug that only supplied gas is passed through.
Drainage catheter joint chair be provided with its in the side drainage tube of drain cavity connects, this side drainage tube also extends to the external world.When carrying out puncture drainage to pneumothorax patient, when nook closing member retreats to drainage catheter joint chair place, intrathoracic gas is short from the time needed for the discharge of side drainage tube, and can rapidly the gases at high pressure in chest be discharged, contribute to reducing the danger occurring subcutaneous emphysema near these patient sites of puncture.Be provided with drain cavity in drainage catheter joint chair, one end that side drainage tube is connected with drainage catheter joint chair is in the front end of this drain cavity, such side drainage tube and drainage catheter nearest, contributes to the raising of exhaust velocity.
Nook closing member is inner hollow, in hollow tubular, after nook closing member and drainage catheter protrude into human body, if accidentally protrude in blood vessel, blood in blood vessel can flow to back cavity along hollow nook closing member, and medical personnel by being pointed out in back cavity, thus will be able to take measures in time, nook closing member and drainage catheter are extracted, the injury to human body can be avoided in time.
In addition, the unidirectional valve plug that the only supplied gas that the sidewall of back cavity is arranged is passed through can ensure that gas can only be discharged from the position in chest or other bodies, and gas can not enter from outside.
As preferably, the lateral wall of described drainage catheter is evenly equipped with some Assist drainage holes, described Assist drainage hole is arranged along the length direction of described drainage catheter, drainage catheter is comparatively thin away from one section of external diameter of drainage catheter joint chair, and the lateral wall of described drainage catheter is provided with length scale labelling.
After adopting above-mentioned preferred version, after drainage catheter is inserted into the position needing to aspirate waste liquid, not only can carry out drain from drainage catheter nozzle position, drain can be carried out by Assist drainage hole simultaneously, clog if drainage catheter is blocked, also can carry out drain by Assist drainage hole, drainage effect is better.
Nook closing member drainage tube and nook closing member interface block are transparence, just in case damage intercostal vessels in puncture thoracic wall process, blood can flow to nook closing member afterbody faster, operator can more early find and deal with on the merits of each case, nook closing member is provided with side opening, if damage thoracic wall blood vessel in piercing process, side opening is conducive to more early finding this damage and processing more in time, when drain pleural effusion punctures, on nook closing member, these structures also contribute to the judgement whether needle point has entered thoracic cavity; Nook closing member drainage tube can opaque material, and whether observed by back cavity has blood back to judge whether damage thoracic wall blood vessel.
The leading portion of general drainage catheter is for gradually carefully to arrange, and when being conducive to inserting needle, drainage catheter front end can enter thoracic cavity, pericardium smoothly with nook closing member, and it is that conveniently medical personnel understand the degree of depth that conduit inserts at any time that drainage catheter is provided with length scale labelling.
As preferably, the lateral wall of described nook closing member is provided with some return ports, and described return port is arranged along the length direction of described nook closing member, and described nook closing member is provided with nook closing member inclined-plane away from one end of nook closing member interface block.After adopting above-mentioned preferred version, if when nook closing member is inserted into blood vessel, blood in blood vessel can flow back to back cavity, but, the needle point position of nook closing member and back cavity still have a segment distance, after adopting above-mentioned setting, when nook closing member only enters a bit of, enter into blood vessel, blood in blood vessel can flow out from the return port the lateral wall of nook closing member, and namely people can be observed in drainage catheter, take measures more timely and effectively, in time pin is extracted, the generation of the more hemorrhage of patient can be avoided.
As preferably, described nook closing member interface block comprises nook closing member interface block body and nook closing member interface block gag, joint chair Body Lumen is provided with in nook closing member interface block body, described joint chair Body Lumen is provided with inner convex platform by one end of nook closing member, described nook closing member stretches in joint chair Body Lumen by one end of nook closing member interface block, described nook closing member stretches into joint chair Body Lumen part and is provided with the nook closing member fixture block arranged that to offset with inner convex platform, described nook closing member interface block gag is arranged on joint chair Body Lumen one end away from nook closing member, described joint chair Body Lumen is provided with away from one end of nook closing member the nook closing member interface block tail mouth inserted for nook closing member interface block gag, described unidirectional valve plug is arranged on nook closing member interface block gag.
After adopting above-mentioned preferred version, nook closing member is generally draw point structure, and nook closing member interface block generally adopts transparent plastic material to make, after injection moulding on nook closing member is made nook closing member interface block, due to nook closing member smooth surface, be easy to cause nook closing member interface block from coming off nook closing member, impact operation, nook closing member, by the setting that offsets of the nook closing member fixture block on it and inner convex platform, makes nook closing member and nook closing member interface block firmly fix, thus effectively avoids coming off of nook closing member and nook closing member interface block.Wherein unidirectional valve plug is passable, and dismountable mode coordinates with nook closing member interface block gag, also can with the one-body molded setting of nook closing member interface block gag.In addition, drainage catheter and drainage catheter joint chair seam can also arrange mobilizable butterfly handle, are affixed on thoracic wall, drainage catheter joint chair is fixed on thoracic wall, not easily move.
As preferably, described side drainage tube is provided with three-way control device, described three-way control device comprises the threeway seat be arranged on the drainage tube of side, the spill spin block of triplate line is provided with in described threeway seat, described threeway seat is provided with away from the side of drainage catheter the threeway rear port seat be communicated with threeway seat, threeway seat is provided with threeway front port seat near the side of drainage catheter, the sidepiece of threeway seat is provided with threeway side interface seat, described side drainage tube is communicated with described threeway seat through threeway front port seat away from the side of drainage catheter, described threeway rear port seat is provided with emergency set away from the side of threeway seat, described emergency set comprises the emergent end cap be connected with threeway rear port seat, cooling gas check valve is provided with in described emergent end cap, described cooling gas check valve is connected with drainage tube away from one end of threeway seat.
After adopting above-mentioned preferred version, three-way control device and threeway side interface side drainage tube be equipped with, the spill spin block in three-way control device can be utilized to carry out on-off action, to carry out the puncture drainage of pericardial effusion, hydrothorax, also pericardium, thoracic cavity drug injection can be carried out, in addition, drainage catheter is easier to be fixed on thoracic wall.
The tail end of side drainage tube is provided with three-way control device, the threeway rear port seat of three-way control device is provided with connected emergent end cap, such setting can ensure rapid aerofluxus, contribute to the urgent rescue of tension pneumothorax, can prevent extraneous air from entering chest when air-breathing on the other hand, ensure that sterile working.
As preferably, described emergency set comprises the emergent interface block be communicated with described threeway rear port seat, described emergent end cap and cooling gas check valve are arranged between emergent interface block and threeway rear port seat, and the side of the described outer drainage tube of emergent interface block is connected with drainage tube joint chair.
As preferably, threeway rear port is provided with in described threeway rear port seat, described threeway rear port is bell, the bore of described threeway rear port is reduced to threeway seat direction gradually by drainage tube, the side outer wall of the described outer drainage tube of threeway rear port seat is provided with threeway rear port seat external screw thread, described emergent end cap is provided with the emergent inner joint that can insert threeway rear port and the emergent external tapping be arranged on outside threeway rear port seat by the side of threeway rear port seat, the inner side of described emergent external tapping is provided with the emergent external tapping female thread engaged with threeway rear port seat external screw thread, be provided with in emergent end cap along emergent end cap gas channel, described cooling gas check valve is arranged in emergent end cap gas channel.
After adopting above-mentioned preferred version, the connection of threeway rear port seat and emergent end cap is more reliable.Utilize radial tapering on threeway rear port seat connect and be threaded, in operation, can effectively prevent the accidental of emergent end cap from causing the ambient atmos when patient breaths to enter pericardium or thoracic cavity.The gas channel axially arranged along it is provided with in emergent end cap, Air blow check valve is provided with in this passage, this Air blow check valve has different designs form: can be designed to thin-walled rubber pipe or thin-walled rubber cover jaggy, thin elastic film can be designed to, a structure roughly in drum type can be designed to, wherein have a periphery with the circular flap valve of multiple small sircle hole.When thoracic cavity have air-flow from side drainage tube out time, air-flow is excreted by Air blow check valve, on the contrary closed check valve, to air-flow in having blocked.The rear end of emergent end cap is provided with external screw thread after emergent end cap back taper hole mouth and emergent end cap.
As preferably, the side that described threeway side interface seat deviates from threeway seat is connected with side end cap pipe joint, the threeway side interface be communicated with threeway seat is provided with in described threeway side interface seat, described threeway side interface is bell, the bore of described threeway side interface is reduced to threeway seat direction gradually by side end cap pipe joint, the side outer wall that described threeway side interface seat deviates from threeway seat is provided with threeway side interface seat external screw thread, the side end cap pipe joint external tapping that described side end cap pipe joint leans on the side of threeway seat to be provided with the side end cap pipe joint inner joint in card insertion threeway side interface and to be arranged on outside threeway side interface seat, the medial wall of described side end cap pipe joint external tapping is provided with the side end cap pipe joint external tapping female thread engaged with the threeway side interface seat external screw thread on threeway side interface seat lateral wall, one end that described side end cap pipe joint external tapping deviates from threeway seat is provided with the side block rubber of closed side end cap pipe joint external tapping.
After adopting above-mentioned preferred version, three-way cock can be utilized to carry out the puncture drainage of pericardial effusion, hydrothorax, also can carry out pericardium, thoracic cavity drug injection, contribute to the velocity of discharge controlling pericardial effusion, hydrothorax simultaneously.Through abundant discharge opeing or aerofluxus, after stopping drain, contribute to that continuation is carried out to patient and observe a period of time.
As preferably, described drainage tube joint chair is connected with described emergent interface block, the emergent interface block interface into bell is provided with in described emergent interface block, the bore of described emergent interface block interface is reduced to threeway seat direction gradually by drainage tube, the lateral wall, side of the described outer drainage tube of emergent interface block is provided with emergent interface block external screw thread, described drainage tube joint chair is provided with the drainage tube joint chair inner joint that can insert emergent interface block interface and the drainage tube joint chair external tapping be arranged on outside emergent interface block, described drainage tube interface block external tapping is provided with the drainage tube interface block external tapping female thread engaged with emergent interface block external screw thread, described drainage tube is arranged in drainage tube joint chair inner joint.
After adopting above-mentioned preferred version, the rear end of emergent end cap is provided with emergent interface block, the emergent interface block interface of taper hole shape is provided with in emergent interface block, and at emergent interface block, emergent interface block external screw thread is set, be provided with the drainage tube joint chair inner joint that can insert emergent interface block interface and the drainage tube joint chair external tapping be arranged on outside emergent interface block at drainage tube joint chair, described drainage tube interface block external tapping is provided with the drainage tube interface block external tapping female thread engaged with emergent interface block external screw thread.Be conducive to can connecting with drainage tube and water-sealed drainage bottle easily when pneumothorax drain, cone mouth connects more reliable.Utilize radial tapering on associated components connect and be threaded, in operation, can effectively prevent some parts accidental from causing the ambient atmos when patient breaths to enter pericardium or thoracic cavity, the better effects if be sealed and matched.
As preferably, described drainage catheter is flexible memory material, or be afterbody in the shape of a spiral or forniciform elastomeric material.After adopting above-mentioned preferred version, drainage catheter and nook closing member together insert human body when needing to aspirate the position of waste liquid, due to the supporting role of nook closing member, in straight condition, after nook closing member is extracted, when drainage catheter is made by flexible memory material, during the organ inwall of drainage catheter in human body, in case of bending, avoid damaging human organ; When drainage catheter by the shape of a spiral or forniciform elastomeric material make time, drainage catheter can when nook closing member be extracted, the part losing nook closing member supporting role can bend gradually, if make drainage catheter with elastomeric material, then drainage catheter returns in the shape of a spiral after the supporting role losing nook closing member, surface is mellow and full, can not damage people's intracorporeal organ.
Expendable puncture needle for pericardium and cavum thoracis of the present invention is when carrying out puncture drainage, puncture needle is once enter pericardium or breast chamber, just nook closing member can be exited, the needle point impair cardiac of nook closing member can be avoided, the danger of damage lung tissue, side drainage tube is equipped with the emergent end cap being provided with cooling gas check valve, can be used as the urgent salvage tool of serious tension pneumothorax patient, puncture needle one injects thoracic wall can discharge rapidly thoracic cavity inner high voltage gas, to reach the effect of help, the arranging of back cavity conveniently can be convenient to people and observe whether stab blood vessel, be convenient to medical personnel give first-aid measures in time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1
Fig. 2 is the structural representation of the embodiment of the present invention 1 nook closing member interface block part;
Fig. 3 is the partial enlarged drawing at A place in Fig. 1;
Fig. 4 is the structural representation of the embodiment of the present invention 1 bending drainage catheter;
Fig. 5 is the structural representation of the embodiment of the present invention 1 helical form drainage catheter;
Fig. 6 is the structural representation of the embodiment of the present invention 2.
Detailed description of the invention
embodiment 1
As shown in Figure 1, Figure 3 and Figure 4, embodiments of the invention are a kind of expendable puncture needle for pericardium and cavum thoracis specifically, and comprise nook closing member 1 and interconnective drainage catheter 2 and drainage catheter joint chair 21, nook closing member 1 is arranged in drainage catheter 2.Protecting tube cover 3 is provided with outside drainage catheter 2.The drain cavity 211 be communicated with drainage catheter 2 is provided with in drainage catheter joint chair 21, block rubber 212 is provided with in drain cavity 211, nook closing member 1 extends to drainage catheter joint chair 21 direction and penetrates the block rubber 212 in drain cavity 211, one end that nook closing member 1 passes block rubber 212 is provided with nook closing member interface block 4, nook closing member interface block 4 and drainage catheter 2 joint chair are sealed and matched, drainage catheter joint chair 21 is provided with and is communicated with drain cavity 211 and extends to extraneous side drainage tube 5, and one end that side drainage tube 5 is connected with drainage catheter joint chair 21 is in the front end of drain cavity 211.Back cavity 41 is provided with in nook closing member interface block 4.The inner hollow of nook closing member 1, one end that nook closing member 1 passes block rubber 212 extends towards nook closing member interface block 4 and is communicated with back cavity 41, and the sidewall of back cavity 41 is provided with the unidirectional valve plug 411 that only supplied gas is passed through.
The lateral wall of drainage catheter 2 is evenly equipped with Assist drainage hole 22, Assist drainage hole 22 is arranged along the length direction of drainage catheter 2, drainage catheter 2 is thinner away from one section of external diameter of drainage catheter joint chair 21, the lateral wall of drainage catheter 2 is provided with length scale labelling, nook closing member 1 is obtained by steel, drainage catheter 2 and nook closing member interface block 4 are transparence, obtain by transparent material.Drainage catheter 2 also can be made into opaque, is convenient to observe monitoring after making transparence.
The lateral wall of nook closing member 1 is provided with equally distributed return port 11, and return port 11 is arranged along the length direction of nook closing member 1, and nook closing member 1 is provided with nook closing member inclined-plane 12 away from one end of nook closing member interface block 4.Nook closing member inclined-plane 12 and nook closing member interface block 4 comprise nook closing member interface block body 42 and nook closing member interface block gag 43.Joint chair Body Lumen 421 is provided with in nook closing member interface block body 42.Joint chair Body Lumen 421 is provided with inner convex platform 4211 by one end of nook closing member 1.Nook closing member 1 stretches in joint chair Body Lumen 421 by one end of nook closing member interface block 4, nook closing member 1 stretches into joint chair Body Lumen 421 part and is provided with the nook closing member fixture block 13 arranged that to offset with inner convex platform 4211, nook closing member interface block gag 43 is arranged on joint chair Body Lumen 421 one end away from nook closing member 1, joint chair Body Lumen 421 is provided with away from one end of nook closing member 1 the nook closing member interface block tail mouth 4212 inserted for nook closing member interface block gag 43, unidirectional valve plug 411 is arranged on nook closing member interface block gag 43, unidirectional valve plug 411 in the present invention is arranged with the split of nook closing member interface block gag 43, unidirectional valve plug 411 can be disassembled from nook closing member interface block gag 43, certainly, the mode that unidirectional valve plug 411 is wholely set with nook closing member interface block gag 43 can also be adopted.
Side drainage tube 5 is provided with three-way control device 6, and three-way control device 6 comprises the threeway seat 61 be arranged on side drainage tube 5, is provided with spill spin block 611 in threeway seat 61.Triplate line is provided with in spill spin block 611.Threeway seat 61 is provided with away from the side of drainage catheter 2 the threeway rear port seat 62 be communicated with threeway seat 61.Threeway seat 61 is provided with threeway front port seat 63 near the side of drainage catheter 2.The sidepiece of threeway seat 61 is provided with threeway side interface seat 64.Side drainage tube 5 passes threeway front port seat 63 away from the side of drainage catheter 2, and is communicated with threeway seat 61.Threeway rear port seat 62 is provided with emergency set 7 away from the side of threeway seat 61.
Emergency set 7 comprises the emergent end cap 71 be connected with threeway rear port seat 62, and be provided with cooling gas check valve 72 in emergent end cap 71, cooling gas check valve 72 is connected with drainage tube 8 away from one end of threeway seat 61.Emergency set 7 comprises the emergent interface block 73 be communicated with threeway rear port seat 62.Emergent end cap 71 and cooling gas check valve 72 are arranged between emergent interface block 73 and threeway rear port seat 62, and the side of the emergent outer drainage tube 8 of interface block 73 is connected with drainage tube joint chair 81.
Be provided with threeway rear port 621 in threeway rear port seat 62, threeway rear port 621 is bell, and the bore of threeway rear port 621 is reduced gradually by drainage tube 8 to threeway seat 61 direction.The side outer wall of the outer drainage tube 8 of threeway rear port seat 62 is provided with threeway rear port seat external screw thread 622.Emergent end cap 7 is provided with the emergent inner joint 711 that can insert threeway rear port 621 and the emergent external tapping 712 be arranged on outside threeway rear port seat 62 by the side of threeway rear port seat 62, and the inner side of emergent external tapping 712 is provided with the emergent external tapping female thread 7121 engaged with threeway rear port seat external screw thread 622.Be provided with along emergent end cap gas channel 713 in emergent end cap 7, cooling gas check valve 72 is arranged in emergent end cap gas channel 713.
The side that threeway side interface seat 64 deviates from threeway seat 61 is connected with side end cap pipe joint 65, the threeway side interface 641 be communicated with threeway seat 61 is provided with in threeway side interface seat 64, threeway side interface 641 is bell, the bore of threeway side interface 641 is reduced gradually by side end cap pipe joint 65 to threeway seat 61 direction, the side outer wall that threeway side interface seat 64 deviates from threeway seat 61 is provided with threeway side interface seat external screw thread 642, the side end cap pipe joint external tapping 652 that side end cap pipe joint 65 leans on the side of threeway seat 61 to be provided with side end cap pipe joint 65 inner joint 651 in card insertion threeway side interface 641 and to be arranged on outside threeway side interface seat 64, the medial wall of side end cap pipe joint external tapping 652 is provided with the side end cap pipe joint external tapping female thread 6521 engaged with the threeway side interface seat external screw thread 642 on threeway side interface seat 64 lateral wall, one end that side end cap pipe joint external tapping 652 deviates from threeway seat 61 is provided with the side block rubber 66 of closed side end cap pipe joint external tapping 652.
Drainage tube joint chair 81 is connected with emergent interface block 73, is provided with the emergent interface block interface 731 into bell in emergent interface block 73, and the bore of emergent interface block interface 731 is reduced gradually by drainage tube 8 to threeway seat 61 direction.The lateral wall, side of the emergent outer drainage tube of interface block 73 8 is provided with emergent interface block external screw thread 732, drainage tube joint chair 81 is provided with the drainage tube joint chair inner joint 811 that can insert emergent interface block interface 731 and the drainage tube joint chair external tapping 812 be arranged on outside emergent interface block 73, drainage tube interface block external tapping 812 is provided with the drainage tube interface block external tapping female thread 8121 engaged with emergent interface block external screw thread 732, drainage tube 8 is arranged in drainage tube joint chair inner joint 812, and 211 medial walls of drain cavity are taper surface.Joint chair Body Lumen 412 is taper surface, and the bore of joint chair Body Lumen 412 is reduced gradually by nook closing member interface block 4 to nook closing member 1 direction.
As shown in Figure 4 and Figure 5, drainage catheter 2 be flexible memory material make, by can in the shape of a spiral or forniciform elastomeric material make.The material of drainage catheter adopts polyurethane or politef.
After nook closing member 1 exits, drainage catheter 2, owing to losing the supporting role of nook closing member 1, can be curled into helical form, can not damage patient's organ.
The pericardial effusion made a definite diagnosis or hydrothorax patient, suitable position, point of puncture is chosen by puncturing pericardial effusion routine or thoracentesis operating routine, local skin sterilization, drape, local anaesthesia, operator always wears your gloves, assistant opens the outer package of this practical puncture needle, the sagging straight pin of situation about being shifted not allowing skin reaches enough degree of depth, as " sense of coming to nothing ", nook closing member interface block 21 can be fixed, drainage catheter 2 can continue to advance along nook closing member 1, sometimes also can according to the result comprehensive descision tried on during local anaesthesia.Temporarily fixing nook closing member 1, drainage catheter 3 is continued to push ahead along nook closing member 1, if drainage catheter 2 is pushed ahead smoothly, exit nook closing member 1 completely, and drainage catheter 2 is pushed ahead to the suitable degree of depth, spill spin block 611 in three-way control device 6 is gone on the position of closedown threeway side interface seat 64, unload side end cap pipe joint 65, syringe is connected on the threeway side interface seat 64 of three-way control device 6, again the spill spin block 611 in three-way control device 6 is gone to and close threeway rear port seat 62 and the position being communicated with threeway side interface seat 64, suction syringe, pericardial effusion or hydrothorax are just from drainage catheter 2, side drainage tube 5, syringe is entered through threeway seat 61 and threeway side interface seat 64.Rotate spill spin block 611 and close threeway front port seat 63, side drainage tube 5 is closed, unload emergent end cap 7, drainage tube 8 is connected on threeway rear port seat 62, drainage tube 8 connects hydrops drainage bag, push away syringe cylinder, hydrops just flows to hydrops drainage bag from syringe through threeway seat 61, drainage tube 8, after hydrops is successfully extracted out, with adhesive plaster, drainage catheter 2 joint chair can be fixed on patient's thoracic wall, can repeatedly carry out by the process of syringe suction and discharge hydrops above, hydrops is just by drain.
If hydrops is many, the siphonage of the fluid column that the hydrops of extraction can be utilized to be formed in drainage tube 8, namely when the hydrops in syringe is entered drainage tube 8 and forms fluid column, spill spin block 611 in three-way control device 6 is adjusted to and closes threeway side interface seat 64, side drainage tube and 5 drainage tubes 8 are allowed to be in connection status, the siphonage of the fluid column that pericardial effusion or hydrothorax will be formed because of hydrops in drainage tube 8, continuously from pericardium or breast chamber, through drainage catheter 2, side drainage tube 5, three-way control device 6, drainage tube 8 is drained to hydrops drainage bag, medical worker is close observation aside, if drainage speed is too fast, caliber size can be led to by spill spin block 611 control flow check in spinning three-way control device 6 and slow down drainage speed.
Clinically, serious tension pneumothorax patient is run into, under emergency situation, select point of puncture, at stake, sometimes can not carry out site of puncture skin degerming, control nook closing member interface block 4, make nook closing member inclined-plane 12 parallel with intercostal space, rapid inserting needle, exits nook closing member 2, and gas will through drainage catheter 2, side drainage tube 5, threeway front port seat 63, the cooling gas check valve 72 of threeway seat 61, threeway rear port seat 62, emergent end cap 7 sprays, to reach the object of rescuing life.When in thoracic cavity, gas pressure declines to some extent, when the state of an illness takes a turn for the better to some extent, can on emergent end cap 7 rear end connects drainage tube 8 and water-sealed drainage bottle, also can temporary close three-way control device 6, unload emergent end cap 7, threeway rear port seat 62 connects drainage tube 8 and arranges the handling matters concerneds such as water-sealed drainage bottle.
Making a definite diagnosis for one is not critical pneumothorax patient, medical personnel, first the state of an illness according to patient determines therapeutic scheme, when decision adopts puncture drainage postoperative, select the novel disposable puncture needle for pericardium and cavum thoracis of appropriate size, after opening puncture bag, drainage tube 8 is firmly attached on threeway rear port seat 62, and the end of drainage tube 8 is connected to water-sealed drainage bottle routinely.Then the drainage position of patient is determined, point of puncture position, the skin of the sterilization sites of puncture such as application iodine tincture, hole towel is spread in site of puncture, the local anaesthetics anesthesia such as application lignocaine, the hand-held puncture needle of operator, control nook closing member interface block 4, make puncture needle core inclined-plane 12 parallel with intercostal space, operate according to thoracentesis operating routine, when finding in piercing process that puncture needle falls through sense, or after puncture needle inserting needle reaches certain depth, nook closing member interface block 4 can be fixed, drainage catheter 2 advances along nook closing member 1 to thoracic cavity by examination, if can smoothly drainage catheter 2 be advanced toward thoracic cavity, confirm that puncture needle has entered breast chamber, exit rapidly nook closing member 1, can see that bubble is constantly overflowed from drainage tube 8 end, confirm puncture drainage successful operation, now again drainage catheter 2 grade is done suitably fixing, the management of drainage catheter 2, remove the operating routine process according to pneumothorax closed drainage such as selection of time.
embodiment 2
As shown in Figure 5, three-way device of the present invention can also adopt easy structure, saves the spill spin block in logical control device.Comprise threeway base 105, drainage catheter 2 is arranged on the front end of threeway base 105, and the rear end of threeway base 105 is connected with rear port seat 101 by rear drainage catheter 1051, and the side of threeway base 105 is provided with side interface seat 102 by side drainage catheter 1052.The emergent end cap 103 that rear port seat 101 connects, connection side end cap pipe joint 104 on side interface seat 102, rear drainage catheter 1051 and side drainage catheter 1054 are respectively equipped with clip 9, for opening and closing rear port seat 101 and side interface seat 102.
Claims (4)
1. an expendable puncture needle for pericardium and cavum thoracis, comprise nook closing member and interconnective drainage catheter and drainage catheter joint chair, described nook closing member is arranged in drainage catheter, the drain cavity be communicated with drainage catheter is provided with in described drainage catheter joint chair, block rubber is provided with in described drain cavity, described nook closing member extends to drainage catheter joint chair direction and penetrates the block rubber in drain cavity, one end that described nook closing member passes block rubber is provided with nook closing member interface block, described nook closing member interface block and described drainage catheter joint chair are sealed and matched, described drainage catheter joint chair is provided with described drain cavity connects and extends to extraneous side drainage tube, one end that described side drainage tube is connected with drainage catheter joint chair is in the front end of described drain cavity, it is characterized in that: in described nook closing member interface block, be provided with back cavity, described nook closing member inner hollow, one end that described nook closing member passes block rubber extends towards nook closing member interface block and is communicated with described back cavity, the sidewall of described back cavity is provided with the unidirectional valve plug that only supplied gas is passed through, the lateral wall of described drainage catheter is evenly equipped with some Assist drainage holes, described Assist drainage hole is arranged along the length direction of described drainage catheter, drainage catheter is comparatively thin away from one section of external diameter of drainage catheter joint chair, and the lateral wall of described drainage catheter is provided with length scale labelling, the lateral wall of described nook closing member is provided with some return ports, and described return port is arranged along the length direction of described nook closing member, and described nook closing member is provided with nook closing member inclined-plane away from one end of nook closing member interface block, described nook closing member interface block comprises nook closing member interface block body and nook closing member interface block gag, joint chair Body Lumen is provided with in nook closing member interface block body, described joint chair Body Lumen is provided with inner convex platform by one end of nook closing member, described nook closing member stretches in joint chair Body Lumen by one end of nook closing member interface block, described nook closing member stretches into joint chair Body Lumen part and is provided with the nook closing member fixture block arranged that to offset with inner convex platform, described nook closing member interface block gag is arranged on joint chair Body Lumen one end away from nook closing member, described joint chair Body Lumen is provided with away from one end of nook closing member the nook closing member interface block tail mouth inserted for nook closing member interface block gag, described unidirectional valve plug is arranged on nook closing member interface block gag, described side drainage tube is provided with three-way control device, described three-way control device comprises the threeway seat be arranged on the drainage tube of side, the spill spin block of triplate line is provided with in described threeway seat, described threeway seat is provided with away from the side of drainage catheter the threeway rear port seat be communicated with threeway seat, threeway seat is provided with threeway front port seat near the side of drainage catheter, the sidepiece of threeway seat is provided with threeway side interface seat, described side drainage tube is communicated with described threeway seat through threeway front port seat away from the side of drainage catheter, described threeway rear port seat is provided with emergency set away from the side of threeway seat, described emergency set comprises the emergent end cap be connected with threeway rear port seat, cooling gas check valve is provided with in described emergent end cap, described cooling gas check valve is connected with drainage tube away from one end of threeway seat, described emergency set comprises the emergent interface block be communicated with described threeway rear port seat, described emergent end cap and cooling gas check valve are arranged between emergent interface block and threeway rear port seat, and the side of the described outer drainage tube of emergent interface block is connected with drainage tube joint chair, the side that described threeway side interface seat deviates from threeway seat is connected with side end cap pipe joint, the threeway side interface be communicated with threeway seat is provided with in described threeway side interface seat, described threeway side interface is bell, the bore of described threeway side interface is reduced to threeway seat direction gradually by side end cap pipe joint, the side outer wall that described threeway side interface seat deviates from threeway seat is provided with threeway side interface seat external screw thread, the side end cap pipe joint external tapping that described side end cap pipe joint leans on the side of threeway seat to be provided with the side end cap pipe joint inner joint in card insertion threeway side interface and to be arranged on outside threeway side interface seat, the medial wall of described side end cap pipe joint external tapping is provided with the side end cap pipe joint external tapping female thread engaged with the threeway side interface seat external screw thread on threeway side interface seat lateral wall, one end that described side end cap pipe joint external tapping deviates from threeway seat is provided with the side block rubber of closed side end cap pipe joint external tapping.
2. expendable puncture needle for pericardium and cavum thoracis according to claim 1, it is characterized in that: in described threeway rear port seat, be provided with threeway rear port, described threeway rear port is bell, the bore of described threeway rear port is reduced to threeway seat direction gradually by drainage tube, the side outer wall of the described outer drainage tube of threeway rear port seat is provided with threeway rear port seat external screw thread, described emergent end cap is provided with the emergent inner joint that can insert threeway rear port and the emergent external tapping be arranged on outside threeway rear port seat by the side of threeway rear port seat, the inner side of described emergent external tapping is provided with the emergent external tapping female thread engaged with threeway rear port seat external screw thread, be provided with in emergent end cap along emergent end cap gas channel, described cooling gas check valve is arranged in emergent end cap gas channel.
3. expendable puncture needle for pericardium and cavum thoracis according to claim 1, it is characterized in that: described drainage tube joint chair is connected with described emergent interface block, the emergent interface block interface into bell is provided with in described emergent interface block, the bore of described emergent interface block interface is reduced to threeway seat direction gradually by drainage tube, the lateral wall, side of the described outer drainage tube of emergent interface block is provided with emergent interface block external screw thread, described drainage tube joint chair is provided with the drainage tube joint chair inner joint that can insert emergent interface block interface and the drainage tube joint chair external tapping be arranged on outside emergent interface block, described drainage tube interface block external tapping is provided with the drainage tube interface block external tapping female thread engaged with emergent interface block external screw thread, described drainage tube is arranged in drainage tube joint chair inner joint.
4. expendable puncture needle for pericardium and cavum thoracis according to claim 1, is characterized in that: described drainage catheter is flexible memory material, or be afterbody in the shape of a spiral or forniciform elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310149059.2A CN103190944B (en) | 2013-04-25 | 2013-04-25 | Disposable pericardium chest puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310149059.2A CN103190944B (en) | 2013-04-25 | 2013-04-25 | Disposable pericardium chest puncture needle |
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| CN103190944A CN103190944A (en) | 2013-07-10 |
| CN103190944B true CN103190944B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310149059.2A Active CN103190944B (en) | 2013-04-25 | 2013-04-25 | Disposable pericardium chest puncture needle |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730061A (en) * | 2017-01-04 | 2017-05-31 | 中国人民解放军第三军医大学第三附属医院 | A kind of puncture decompression drainage system |
| RU2677604C1 (en) * | 2018-01-31 | 2019-01-17 | федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный медицинский университет" Министерства здравоохранения Российской Федерации | Trocar |
| CN111249546B (en) * | 2020-03-04 | 2021-10-29 | 康诺医疗器械(沭阳)有限公司 | Drainage bag with tight joint and strong practicability |
| CN114366883A (en) * | 2022-01-27 | 2022-04-19 | 北京启丹医疗科技有限公司 | Combined closed thoracic drainage device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447235A (en) * | 1981-05-07 | 1984-05-08 | John M. Clarke | Thoracentesis device |
| US4810244B1 (en) * | 1987-12-17 | 1998-06-16 | Thomas C Allen | Trocar assembly for drawing fluids from a body part |
| CN2201116Y (en) * | 1993-08-03 | 1995-06-21 | 岳全廷 | Sleeving thoracic cavity pericardium puncture needle ware |
| CN100556379C (en) * | 2008-04-16 | 2009-11-04 | 林平 | Disposable thoracic drainage needle |
| CN201295453Y (en) * | 2008-12-10 | 2009-08-26 | 国立祥 | Thoracic puncture indwelling needle without additive injure |
| CN102029008B (en) * | 2010-12-07 | 2012-12-26 | 中国人民解放军第三军医大学第一附属医院 | Compound puncture drainage needle |
| CN203195749U (en) * | 2013-04-25 | 2013-09-18 | 林平 | Disposable pericardium chest puncturing needle |
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2013
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