CN106215255A - The drainage tube of a kind of band puncture needle and using method thereof - Google Patents

The drainage tube of a kind of band puncture needle and using method thereof Download PDF

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Publication number
CN106215255A
CN106215255A CN201610721729.7A CN201610721729A CN106215255A CN 106215255 A CN106215255 A CN 106215255A CN 201610721729 A CN201610721729 A CN 201610721729A CN 106215255 A CN106215255 A CN 106215255A
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CN
China
Prior art keywords
drain
puncture needle
seal
cavity
tube
Prior art date
Application number
CN201610721729.7A
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Chinese (zh)
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CN106215255B (en
Inventor
李林风
陈志强
陈达锦
Original Assignee
广东先来医疗器械有限公司
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Priority to CN201610721729.7A priority Critical patent/CN106215255B/en
Publication of CN106215255A publication Critical patent/CN106215255A/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/008Drainage tubes; Aspiration tips
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06Body-piercing guide needles or the like
    • A61M25/065Guide needles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06Body-piercing guide needles or the like
    • A61M25/0662Guide tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M2025/0008Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026Multi-lumen catheters with stationary elements
    • A61M2025/0036Multi-lumen catheters with stationary elements with more than four lumina

Abstract

The drainage tube of a kind of band puncture needle of the present invention and using method thereof, intubate including drain, puncture needle and drainage component, drain intubates single-chamber seal section, multi-cavity seal section and the multi-cavity open segment including being sequentially communicated, single-chamber seal section tube wall is closed and is internally formed at least one passage, multi-cavity seal section tube wall is closed and inside is divided into some passages, and multi-cavity open segment tube wall offers notch along its length and inside is divided into some passages;Single-chamber seal section is connected with puncture needle away from one end of multi-cavity open segment.Before surgical wound is sewed up, puncture needle enters this intracavity portion from wound, from the neighbouring puncture of wound to outside, pull until drain intubates a length of preset length being retained in this intracavity, then severing at single-chamber seal section, withdrawing puncture needle, the single-chamber seal section being connected with multi-cavity seal section connects drainage component at severing.Puncture needle can be prevented effectively from and stab wound and infection risk, use more safe and convenient, there is more preferable drainage effect.

Description

The drainage tube of a kind of band puncture needle and using method thereof
Technical field
The present invention relates to drainage tube technical field, be specifically related to drainage tube and the using method thereof of a kind of band puncture needle.
Background technology
Drainage tube is widely used in department of general surgery, orthopaedic trauma, microsurgery, joint surgery, spinal surgery, osteopathia surgery And the section office such as Urology Surgery, for internal organs drains such as wound, thoracic cavity, encephalocoele, gastrointestinal tract and biliary tracts.In operation, can shape Becoming this chamber to perform the operation, postoperative when needing drain, prior art is (to be provided with the one of conduction hole in the front end of drainage tube End) connect a puncture needle, human body skin has a puncture portion at this wound, inserts through this puncture portion from the external world and punctures The inside of pin front end to this chamber to draw this drainage tube, then pull away puncture needle at this chamber, then fix drainage tube and draw Stream.Drainage tube is fixed near this chamber and carries out drain, can substantially reduce infected probability of happening at postoperative wound.By existing The inertial thinking having drainage tube structure and those skilled in the art limits, when drainage tube is inserted this chamber, and can only be at wound Near, the front end of drainage tube is punctured to this chamber our department from human external.But, existing this from the structure punctured inside outward Following defect is there is: (1) piercing process compares the paracentesis depth of difficult control puncture needle, easily causes the secondary of wound with method Injury;(2) when puncture needle being extracted from this chamber, the stress point of puncture needle is smaller, it is difficult to operation, and it is possible to pull away puncture needle Destroy drainage tube front-end architecture;(3) puncture needle is extracted from this chamber, longer drainage tube can be pulled to this intracavity, cause Long drainage tube, in the pressurized bending of this intracavity, angulation of turning back, can affect drainage effect, even liquid backflow or delay and can produce sense Dye or the risk of swelling.
Additionally, the conduction hole of existing drainage tube front end is susceptible to blocking.The general postoperative drainage time needs 2~15 days Left and right, the conduction hole of drainage tube front end is easily blocked by blood clot;After muscle is sewed up, muscle can be adjacent to tube wall, easily by tube wall On conduction hole block;The wound of patient, in healing, in new granulation president's hand-hole, causes drain to block;Wound is in healing During, easily extrude traditional drainage tube, cause inadequate drainage to lead to;After drain is complete, the muscular tissue in long hand-hole, can hinder Hindering extracting of drainage tube, when drainage tube is extracted, cause new damage can to the muscular tissue of new growth, patient keenly feels strongly.
Summary of the invention
There is above-mentioned technical problem for prior art, the present invention provides that a kind of postoperative to put pipe safer more convenient, puts pipe Rear drainage effect is more preferable, and can effectively prevent drainage tube and the using method thereof of the band puncture needle of blocking.
For achieving the above object, the present invention provides techniques below scheme:
Thering is provided the drainage tube of a kind of band puncture needle, intubate including drain, puncture needle and drainage component, described drain intubates and includes depending on The single-chamber seal section of secondary connection, multi-cavity seal section and multi-cavity open segment, single-chamber seal section tube wall is closed and is internally formed one and leads to Road, multi-cavity seal section tube wall is closed and inside is divided into some passages, and multi-cavity open segment tube wall offers groove along its length Mouth and inside are divided into some passages;Single-chamber seal section is connected with puncture needle away from one end of multi-cavity open segment;Single-chamber is close Envelope section can be by severing, and single-chamber seal section is by after severing, withdraws puncture needle, the single-chamber seal section being connected with multi-cavity seal section from Removably connect with drainage component at severing.
Wherein, described puncture needle includes continuous print pin body, bending section and syringe needle, and under external force, bending section can Being bent over, after cancelling this external force, bending section can keep the shape after bending, thus changes the direction of syringe needle.
Wherein, the inside of multi-cavity seal section and multi-cavity open segment is all separated into the passage of at least two, institute by support rib State support rib and be prevented from multi-cavity seal section and multi-cavity open segment is crushed partition.
Wherein, described mark is positioned at the 30 ~ 80mm of distance multi-cavity open segment of multi-cavity seal section.
Wherein, the outer surface that described drain intubates is provided with mark, in order to controls drain and intubates and be retained in this intracavity Length.
Wherein, described drainage component includes connecting seat and drain supervisor, connects seat hollow and forms internal channel, connects seat and arrange The single-chamber seal section having cartridge part, drain to intubate is inserted described cartridge part and is connected with internal channel after severing;Drain supervisor's Lower end connects with the upper end of internal channel, and the upper end of drain supervisor is connected with extraneous negative pressure mechanism;Open inside the tube wall that drain intubates It is provided with and intubates upper end from drain and be communicated to described drain and intubate the capillary wall pipe of lower end;The sidewall of described connection seat offers connection The infusion channel of described internal channel and the loading passage connecting described cartridge part.
Wherein, the lower end of described connection seat is internally provided with central canal, and the lateral wall of described central canal is connected seat with described Medial wall form described cartridge part, described central canal includes continuous print inserting paragraph, changeover portion and linkage section, described linkage section with Described connection seat is fixed, and described inserting paragraph is unsettled, and the diameter of described inserting paragraph is less than the diameter of described linkage section, described changeover portion It is obliquely installed.
Wherein, described drainage component also includes connecting lid, Nei Sai and lower connection lid, and the bottom of described drain inner tube leads to In crossing, plug connects with the upper end being connected seat, and the described upper lid that connects removably connects for fixing with the described upper end being connected seat Described interior plug, the bottom of described connection seat removably connects the lower lid that connects for fixing the upper end that described drain intubates.
Wherein, described infusion channel and/or described loading passage are connected by conduit pedestal, and described pedestal connects free Air filter.
Also provide for the using method of the drainage tube of a kind of band puncture needle: after puncture and intubation, drain intubate pass external At single-chamber seal section, severing drain intubates, and is connected with drainage component by the port at severing, and connects periphery through drainage component Negative pressure device or peripheral drain contain vessel.
Beneficial effects of the present invention:
Compared with prior art, the drainage tube of a kind of band puncture needle of the present invention and using method thereof, (1) uses from this intracavity portion Site of puncture near wound punctures the method traction indwelling drainage tube of the outside to this chamber, can be prevented effectively from puncture acupuncture Hinder wound, use more safe and convenient;(2) when drawing and putting pipe, drain is easily pulled to intubate, and when pulling away puncture needle, Puncture needle is positioned at the outside of human body, thus has preferable stress point, easily operates;(3) it is easily controlled drain to intubate and be retained in wound Length within Kou, it is to avoid long drain intubates and is retained in wound and is internally formed bending, plays more preferable drainage effect;(4) After drain is intubated traction indwelling, it is possible to connect drainage component rapidly, it is achieved drain smoothly.
Accompanying drawing explanation
Fig. 1 is single-chamber seal section and the knot under puncture needle connection status of the drainage tube of a kind of band puncture needle in embodiment Structure schematic diagram.
Fig. 2 is the structural representation that the drain of the drainage tube of a kind of band puncture needle in embodiment intubates.
Fig. 3 is after the drainage tube of a kind of band puncture needle in embodiment withdraws puncture needle, single-chamber seal section and drainage component Structural representation during connection.
Fig. 4 is the STRUCTURE DECOMPOSITION figure in Fig. 3.
Fig. 5 is the structural representation connecting seat in embodiment.
Reference:
Puncture needle 1;
Pin body 11, bending section 12, syringe needle 13;
Drain intubates 2;
Single-chamber seal section 21, multi-cavity seal section 22, multi-cavity open segment 23, notch 231, capillary wall pipe 24;
Drainage component 30, connection seat 3, internal channel 31, central canal 32, inserting paragraph 321, changeover portion 322, linkage section 323, cartridge part 33, sealed groove 34, lower connection lid 35;
Infusion channel 41, water conduit 42, water pedestal 43;
Loading passage 51, medicine conduit 52, medicine pedestal 53, air filter 54;
Drain supervisor 61, interior plug 62, upper connection lid 63, flow sub 64;
First sealing ring the 7, second sealing ring 8.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right The present invention is further elaborated.Should be appreciated that specific embodiment described herein is only used for explaining the present invention, not For limiting the present invention.
A kind of drainage tube of the band puncture needle of the present embodiment, its structure as depicted in figs. 1 and 2, including wearing of being sequentially communicated Pricker 1 and drain intubate 2, and drain intubates 2 and includes that from left to right continuous print single-chamber seal section 21, multi-cavity seal section 22 and multi-cavity are opened The section of putting 23, wherein single-chamber seal section 21 tube wall close and inner hollow formed a passage, multi-cavity seal section 22 tube wall close and Inside is separated into three passages by support rib, and multi-cavity open segment 23 tube wall offers notch 231 along its length and inside is passed through Support rib is separated into three passages (can be set to any number of passage as required), support rib be prevented from multi-cavity seal section and Multi-cavity open segment is crushed partition, and the drain of this structure intubates 2 can effectively prevent blocking;Single-chamber seal section 21 is opened away from multi-cavity One end of the section of putting 23 is connected with puncture needle 1.Puncture needle 1 includes continuous print pin body 11, bending section 12 and syringe needle 13, masterpiece outside Under with, bending section 12 can be bent over, and after cancelling this external force, bending section 12 can keep the shape after bending, thus changes pin The direction of 13.Drain intubates the outer surface of 2 and is provided with mark, and the distance multi-cavity that mark is positioned at multi-cavity seal section 22 is open At the 50mm of section 23.During use, after operation terminates, wound sew up before, doctor as required, bending adjust syringe needle 13 towards Direction, makes connection have drain to intubate the puncture needle 1(of 2 structure the most as shown in Figure 1) enter this intracavity portion from wound, then from wound The site of puncture of vicinity puncture to the outside in this chamber, pull drain to intubate 2, until seeing that drain intubates the mark of 2 outer surfaces After stop drag, now drain intubates the 2 a length of preset length being retained in wound, and the multi-cavity with 50mm length seals Section 22 is positioned at this intracavity portion.Prior art extends external changeover portion in wound chamber, often flat because of the contraction of bulk muscle compressing Flat thus cause inadequate drainage, strengthen its resistance to compression and make again its hardness excessive patient of causing that tolerance obstacle occurs, it is difficult to be satisfactory to both parties.And this Application, due to the effect of support rib, can prevent muscle contraction from causing inadequate drainage can guarantee that patient is permissible with relatively soft material again Tolerance.Severing at single-chamber seal section 21 after putting pipe (available shears is cut off) drain intubates 2, withdraws puncture needle, seals with multi-cavity The single-chamber seal section that section connects connects drainage component 30 at severing, forms structure as shown in Figure 3, i.e. can start to draw Stream, and can either synchronously or asynchronously implement to create chamber flushing, prevent blood clot from gathering, also can need to give topical according to clinic.With Prior art is compared, and the present embodiment, drainage tube puncture indwelling from inside to outside, can avoid puncture needle 1 to stab wound, uses More safe and convenient;When pipe is put in traction, easily pull drain to intubate 2, have preferable stress point when pulling away puncture needle 1, easily Operation;It is easily controlled drain to intubate 2 and be retained in the length within wound, it is to avoid long drain intubates 2 and is retained in inside wound Form bending, play more preferable drainage effect.After drain is intubated 2 traction indwellings, it is possible to connect drainage component well, it is achieved Drain smoothly.
In the present embodiment, as shown in Fig. 3, Fig. 4 and Fig. 5, drainage component includes that drain supervisor 61, interior plug 62, upper connection cover 63, connecting seat 3 and lower connection lid 35, connect seat 3 hollow and form internal channel 31, the lower end of drain supervisor 61 is connected by interior plug 62 This connection seat 3 upper end with internal channel 31 connect, and drain is responsible for 61 and sheathed is fixed on interior plug 62.The upper end connecting seat 3 is opened There is external screw thread, have a tapped upper connection lid 63 herein, when in rotation, connection lid 63 moves right, upper connection lid 63 Top fills in 62 with being connected in seat 3 compresses jointly, to realize drain supervisor 61, upper connection lid 63, interior plug 62 and to connect between seat 3 Fixing connection.Drain supervisor 61 upper end by flow sub 64 with the external world negative pressure mechanism be connected, as negative pressure bottle, negative pressure bag or in Centre negative pressure, clinical plugging machine meeting and the infection risk of more than 80% proving that flushing actively coordinates negative pressure drainage can reduce 75%, The loaded down with trivial details nursing frequently squeezing conduit can be exempted.
The lower end connecting seat 3 is internally provided with central canal 32, is formed between outer wall and the inwall connecting seat 3 of central canal 32 One annular cartridge part 33, the sidewall connecting seat 3 offers the infusion channel 41 connecting internal channel 31 and connects cartridge part 33 Loading passage 51.Central canal 32 includes continuous print inserting paragraph 321, changeover portion 322 and linkage section 323, linkage section 323 be connected Seat 3 is fixed, and inserting paragraph 321 is unsettled, and the diameter of inserting paragraph 321 is less than the diameter of linkage section 323, and changeover portion 322 is obliquely installed.Draw Stream intubates after the upper end of 2 is inserted in central canal 32, to the most gradually expansion thus corresponding with central canal 32 structure, it is simple to insert and insert In dress portion 33.
Drain intubates to offer inside the tube wall of 2 and intubates 2 upper ends from drain and be communicated to drain and intubate the capillary wall pipe of 2 lower ends 24, capillary wall pipe 24 connects with loading passage 51, and in conjunction with infusion channel 41, this drainage tube can annex administration, pre-washing function, behaviour Make comparisons conveniently, alleviate nursery work intensity, it is achieved drainage tube multi-functional.The bottom connecting seat 3 is provided with external screw thread, this Place has a tapped lower connection lid 35, the lower lid 35 that connects to offer a through hole, and drain intubates 2 and is located in this through hole, Rotation lower connection lid 35 jointly clamps drain to left movement, the through hole of lower connection lid 35 and the changeover portion 322 of central canal 32 and inserts Pipe 2.The lower lid 35 that connects can fixed on the basis of drain intubates 2, and dynamics is moderate, and will not break in capillary wall pipe 24 is logical Road.Drain intubate 2 and connect seat 3 fixing before, loading passage 51 disconnects with capillary wall pipe 24, drain intubate 2 be connected seat 3 company After connecing, loading passage 51 intubates the capillary wall pipe 24 of 2 and can the most again connect with drain, ensures loading, flushing and drain It is smoothed out.If using merely channel pipe, due to its open trench structure, although be prone to tube drawing, but the structure of its stent-type Type compatible cannot rinse and be administered, and easily aggravates the long-pending of blood clot and tissue because of open extensively the collecting characteristic of grooved mouth Gather and embed, frequently causing blocking, and the secondary infection that takes place frequently, the wind of objective aggravation abuse of antibiotics due to its inadequate drainage Danger, extremely disadvantageous to patient's prognosis;And the application overcomes grooved drainage tube to puncture and smooth by muscular tissue due to needs The defect rinsed or be administered performance cannot be housed, make grooved drainage tube not only be prone to tube drawing but also compatible rinse or be administered performance, it is to avoid Block and cause complication.
In the present embodiment, loading passage 51 is connected by medicine conduit 52 medicine pedestal 53, and medicine pedestal 53 connects air mistake Filter 54, intubates the multi-cavity open segment 23 direction conveying gas of 2, to reach by loading passage 51 from capillary wall pipe 24 toward drain The purpose of equilibrium air pressure, more conducively drain unobstructed.Infusion channel 41 is connected by water conduit 42 water pedestal 43, air filtration Device 54 can be connected on water pedestal 43, also disclosure satisfy that conveying gas demand, is actually needed suitable adjustment according to medical care.
In the present embodiment, the lateral wall connecting seat 3 lower end is provided with sealed groove 34, equipped with first in sealed groove 34 Sealing ring 7, lower connection lid 35 realizes being tightly connected by the first sealing ring 7 with being connected between seat 3.The outside of interior plug 62 is provided with Annular groove, is provided with the second sealing ring 8 in annular groove, interior plug 62 be connected between seat 3 by this second sealing ring 8 real Now it is tightly connected, in case liquid or gas leakage in pipe pollute.
Last it should be noted that, above example is only in order to illustrate technical scheme, rather than the present invention is protected Protecting the restriction of scope, although having made to explain to the present invention with reference to preferred embodiment, those of ordinary skill in the art should Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention Matter and scope.

Claims (10)

1. a drainage tube for band puncture needle, is characterized in that: include drain intubate, puncture needle and drainage component, described drain is inserted Pipe includes single-chamber seal section, multi-cavity seal section and the multi-cavity open segment being sequentially communicated, and single-chamber seal section tube wall is closed and internal shape Becoming at least one passage, multi-cavity seal section tube wall is closed and inside is divided into some passages, and multi-cavity open segment tube wall is along long Notch is offered in degree direction and inside is divided into some passages;Single-chamber seal section is away from one end of multi-cavity open segment and puncture needle Connect;Single-chamber seal section can be by severing so that puncture needle be detached, and then can be in the single-chamber being connected with multi-cavity seal section Seal section loaded onto drainage component by severing.
The drainage tube of a kind of band puncture needle the most according to claim 1, is characterized in that: described puncture needle includes continuous print pin Body, bending section and syringe needle, under external force, bending section can be bent over, and after cancelling this external force, bending section can keep folding Shape after curved, thus change the direction of syringe needle.
The drainage tube of a kind of band puncture needle the most according to claim 1, is characterized in that: multi-cavity seal section and multi-cavity open segment Inside be all separated into the passage of at least two by support rib, described support rib is prevented from multi-cavity seal section and multi-cavity is open Section is crushed partition.
The drainage tube of a kind of band puncture needle the most according to claim 1, is characterized in that: the outer surface that described drain intubates sets It is equipped with and is easy to control drain and intubates the mark of the length being retained in this intracavity.
The drainage tube of a kind of band puncture needle the most according to claim 4, is characterized in that: described mark is positioned at multi-cavity seal section Distance multi-cavity open segment 30 ~ 80mm at.
The drainage tube of a kind of band puncture needle the most according to claim 1, is characterized in that: described drainage component includes connecting seat Being responsible for drain, connect seat hollow and form internal channel, connect seat and be provided with cartridge part, the single-chamber seal section that drain intubates is by severing The described cartridge part of rear insertion also connects with internal channel;The lower end of drain supervisor connects with the upper end of internal channel, and drain supervisor's is upper Hold and be connected with extraneous negative pressure mechanism;Offer inside the tube wall that drain intubates and intubate upper end from drain and be communicated to described drain and intubate The capillary wall pipe of lower end;The sidewall of described connection seat offers the infusion channel connecting described internal channel and connects described cartridge part Loading passage.
The drainage tube of a kind of band puncture needle the most according to claim 6, is characterized in that: set inside the lower end of described connection seat Being equipped with central canal, the lateral wall of described central canal forms described cartridge part, described central canal bag with the described medial wall being connected seat Including continuous print inserting paragraph, changeover portion and linkage section, described linkage section is fixed with the described seat that is connected, and described inserting paragraph is unsettled, described The diameter of inserting paragraph is less than the diameter of described linkage section, and described changeover portion is obliquely installed.
The drainage tube of a kind of band puncture needle the most according to claim 6, is characterized in that: described drainage component also includes company Connecing lid, Nei Sai and lower connection lid, the bottom of described drain inner tube is connected with the upper end being connected seat by Nei Sai, described upper company Connecing lid to removably connect for fixing described interior plug with the described upper end being connected seat, the bottom of described connection seat detachably connects Connect the lower lid that connects for fixing the upper end that described drain intubates.
The drainage tube of a kind of band puncture needle the most according to claim 6, is characterized in that: described infusion channel and/or described Loading passage is connected by conduit pedestal, and described pedestal connects air filter.
10. the using method of the drainage tube of the band puncture needle described in any one of claim 1 to 9, is characterized in that: puncture and intubation After, intubate in drain and pass severing drain at external single-chamber seal section and intubate, and the port at severing is connect with drainage component Logical, and contain vessel through the peripheral negative pressure device of drainage component connection or peripheral drain.
CN201610721729.7A 2016-08-25 2016-08-25 A kind of drainage tube and its application method with puncture needle Active CN106215255B (en)

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