CN108525027A

CN108525027A - A kind of thoracic cavity tube drainage device

Info

Publication number: CN108525027A
Application number: CN201810331173.XA
Authority: CN
Inventors: 吴正兴; 蒋贤高; 施伎蝉
Original assignee: Wenzhou Central Hospital
Current assignee: Wenzhou Central Hospital
Priority date: 2018-04-13
Filing date: 2018-04-13
Publication date: 2018-09-14
Anticipated expiration: 2038-04-13
Also published as: CN108525027B

Abstract

The invention discloses a kind of thoracic cavity tube drainage devices, include outer tube, piston tube, probe and sealing element, piston tube are socketed in outer tube, and sealing element is between outer tube and piston tube, after preventing present apparatus merging thoracic cavity from pulling out piston tube, intrathoracic gas or body fluid are overflowed from outer tube；Piston tube is extended in probe one end, convenient for the present apparatus to be placed in the thoracic cavity of patient；There is connecting plate on outer tube outer wall, there is fixation kit, fixation kit to be used to outer tube being fixed on human body on connecting plate；Fixation kit includes slipping block, link block and fixed block, there is adhesive layer on fixed block, adhesive layer has viscosity well, ensure fixed block can be secured be attached on human skin, to fix outer tube, while entering according to outer tube the depth of human body, slipping block can be moved along outer tube axial direction, convenient for smoothly extracting the hydrops in chest, make patient's rehabilitation as early as possible.

Description

A kind of thoracic cavity tube drainage device

Technical field

The present invention relates to the field of medical instrument technology, more particularly to a kind of thoracic cavity tube drainage device.

Background technology

Pleural cavity is a potential lacuna between lung and the wall of the chest, under normal circumstances visceral pleura and partial pleura Have one layer of very thin liquid in performance, in respiratory movement from lubricating action.Pleural cavity and liquid therein are not at static State, great changes have taken place for the shape and pressure of pleural cavity in the respiratory cycle each time, makes liquid continuous in pleural cavity filter out With absorption and in dynamic equilibrium.Various factors make pleura intracavity liquid formed it is too fast or absorb it is too slow, that is, generate pleural effusion.

When hydrops is excessive in thoracic cavity, liquid-pumping flush repeatedly, injection are often needed；Traditional thoracic cavity tube drainage device mainly wraps Include outer tube, the piston tube for drawing liquid and the puncture needle for puncture；When carrying out drawing liquid, need that puncture is first needled into trouble Person's thoracic cavity extracts puncture needle, fixes outer tube with adhesive tape, be convenient for drawing liquid into after human body certain depth；Due to every The physical condition of a patient is different, and the depth that piston tube enters inside of human body is also slightly different, and often needs repeatedly adjustment puncture needle Into the depth of patient, drawing liquid could be carried out；It in each fine tuning, is required for first tearing original adhesive tape, terminate until finely tuning, Outer tube is retightened with adhesive tape again, just facilitates drawing liquid, it is cumbersome, operating time is extended, is easy to cause its trauma by other people to patient Evil, influences the rehabilitation of patient.

Invention content

In view of the deficiencies of the prior art, the present invention intends to provide a kind of thoracic cavity tube drainage device, this draws Device is flowed when carrying out thoracentesis operation, need not repeatedly retighten outer tube, it is very convenient, it is conducive to shorten operating time.

To achieve the above object, the present invention provides following technical solutions：A kind of thoracic cavity tube drainage device includes outer Pipe, piston tube, probe and sealing element, the piston tube are socketed in outer tube, and the probe is socketed in piston tube, the sealing Part is between piston tube and outer tube；Described probe one end is stretched out from piston tube；It is provided with connecting plate on the outer tube, connects Plate is fixedly connected with outer tube, and the fixation kit for being fixed on outer tube on human body, the fixation are provided on the connecting plate Component includes slipping block, link block and fixed block, is provided on the fixed block for the adhesive layer with skin close adhesion, institute It states slipping block sliding to be connected on connecting plate, and is slid along outer tube axial direction；The connecting plate is set away from the side of outer tube It is equipped with the first groove, slipping block side is inserted into the first groove, is provided on first groove inner wall for limiting slipping block The limit assembly of sliding.

As a further improvement on the present invention, the limit assembly includes several limiting tooths, the limiting tooth and One groove inner wall is fixedly connected；The slipping block relative limit tooth side is provided with slide assemblies, and second is offered on slipping block Groove, the slide assemblies are located in the second groove, and the slide assemblies include hemisphere, cylinder and the first spring, and described One spring is located in the second groove, and the first spring one end is fixedly connected with the second groove inner wall, and the other end is fixedly connected with cylinder； The cylinder is located in the second groove, and the cylinder is fixedly connected with hemisphere, and first spring keeps hemisphere to expose the Outside two grooves.

As a further improvement on the present invention, the slipping block is to be detachably connected with link block, the fixed block and company Connect block to be fixedly connected, clamp head and dynamic collet be provided on the slipping block, clamp head is fixedly connected with slipping block, move collet with Slipping block is slidably connected, and the third groove for accommodating dynamic collet and for accommodating clamp head are provided on the link block Four grooves, third groove and the 4th slot opening direction are opposite；It is separate or close with respect to clamp head by the dynamic collet of control, make Link block is obtained to be separated or be connected with slipping block.

As a further improvement on the present invention, the dynamic collet includes pull rod and clamping bar, is provided in the slipping block The first sliding groove, pull rod one end are located in the first sliding groove, and the other end extends the first sliding groove, is offered on the first sliding groove inner wall Second sliding slot, clamping bar one end are fixedly connected with pull rod, and the other end extends outside second sliding slot, and clamping bar is located at the portion outside second sliding slot The fixture block for being inserted into third groove is provided on point；Force block is provided on the pull rod, the force block is fixed with pull rod Connection, the force block are slidably connected with the first sliding groove；Second spring, second spring one are provided on the first sliding groove inner wall End is fixedly connected with the first sliding groove inner wall, and the other end is fixedly connected with force block；When control pull rod with respect to outer tube far from when, second Spring deforms upon so that fixture block is separated with third groove；When releasing lever, second spring resets so that fixture block is inserted into In third groove, link block is connected with slipping block.

As a further improvement on the present invention, it is provided with positioning plate on the part that slipping block is located in the first groove, it is described It is provided with limiting slot on connecting plate, the linkage unit that pull rod is connected is provided on the positioning plate；When pulling pull rod is relatively outer When pipe is separate, linkage unit drives positioning plate to be separated with limiting slot, and slipping block is moved along outer tube radial direction；Work as releasing lever When, linkage unit drives positioning plate to be inserted into limiting slot, to limit slipping block movement.

As a further improvement on the present invention, the 5th groove being connected with the first sliding groove is provided on the slipping block, The positioning plate side is located in the first sliding groove, and the 5th groove is extended in the other side, is set on the slipping block in the first sliding groove It is equipped with the first inclined-plane；The linkage unit includes third spring and transverse slat, and the transverse slat is fixedly connected with positioning plate, the third Spring one end is fixedly connected with the 5th groove inner wall, and the other end is fixedly connected with transverse slat；When releasing lever, pull rod drives positioning Plate is moved relative to the first groove inner wall, and third spring deforms upon, to make positioning plate be inserted into limiting slot；When control pull rod phase To outer tube far from when, third spring restore deformation so that connecting plate is separated with limiting slot.

As a further improvement on the present invention, straight slot, straight slot side and the second groove phase are additionally provided in the slipping block Connection, the other side is connected with the first sliding groove；The cylinder is provided with away from hemispheroidal side to be entered in the first sliding groove Fixed link, fixed link is fixedly connected with cylinder；When releasing lever, pull rod is inconsistent with fixed link.

As a further improvement on the present invention, the piston tube upper end is provided with for limiting piston tube completely into outer tube The first interior limited block, the first limited block diameter are more than outer tube caliber；It is provided with for probe on first limited block Into the through-hole in piston tube, the probe pin upper ends are provided with for limiting probe completely into the second limit in piston tube Block, the second limited block diameter are more than through-hole aperture.

Beneficial effects of the present invention：By by the outer diameter of piston tube be slightly less than or equal to outer tube internal diameter, be convenient for piston tube It stretches into outer tube, the diameter of probe is equal to the internal diameter of piston tube, convenient for the sealing between probe and piston tube；Sealing element is located at outer Between pipe and piston tube, after preventing present apparatus merging thoracic cavity from pulling out piston tube, intrathoracic gas or body fluid overflow from outer tube Go out；Probe one end is stretched out from piston tube, convenient for the present apparatus to be placed in the thoracic cavity of patient；There is connecting plate on outer tube outer wall, even Have fixation kit on fishplate bar, fixation kit is used to outer tube being fixed on human body, fixation kit include slipping block, link block and Fixed block has on fixed block adhesive layer, adhesive layer to have viscosity well, ensure fixed block can be secured be attached to human skin On, to fix outer tube, convenient for carrying out drawing liquid to patient；Thoracentesis operation consent is being carried out, it is big by various instruments first Cause to determine that probe is pierced into inside of human body by the depth for entering human body needed for probe first when being performed the operation, when Fine needle biopsy arrives After estimating depth, the paster being arranged on adhesive layer is torn off, then adhesive layer is attached on patient skin, such fixation kit Outer tube can be well fixed on human skin, extract probe, change syringe, carry out drawing liquid and observe drawing liquid speed, If it was found that drawing liquid speed is normal, continue drawing liquid；If it was found that when drawing liquid speed is abnormal, adjustment piston tube is needed to enter patient Internal depth, inserts a probe into piston tube again at this time；Simultaneously by pressing or pulling slipping block so that slipping block edge Outer tube axial direction moves, and after moving a certain distance, stops pressing or pulls slipping block, the limit group being located in the first groove Part will limit slipping block sliding, and slipping block is static with respect to outer tube, can both adjust the depth that piston tube enters inside of human body in this way Degree, is adjusted to appropriate depth, and need not retighten outer tube, very convenient, shortens operating time, reduces the wound to patient Evil, makes patient's rehabilitation as early as possible.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the present invention；

Fig. 2 be the present invention in one of part A partial enlarged view；

Fig. 3 is the partial enlarged view of another part B in the present invention；

Fig. 4 is the position relationship schematic diagram of middle external tube of the present invention and piston tube and sealing element.

Reference numeral：1, outer tube；11, connecting plate；111, the first groove；112, limiting slot；2, piston tube；21, the first limit Position block；22, through-hole；3, probe；31, the second limited block；4, sealing element；5, fixation kit；51, slipping block；511, the second groove； 512, positioning plate；513, the first inclined-plane；514, the first sliding groove；515, second spring；516, second sliding slot；517, the 5th groove； 518, straight slot；52, link block；521, third groove；522, the 4th groove；53, fixed block；531, adhesive layer；6, limit assembly； 61, limiting tooth；7, slide assemblies；71, hemisphere；72, cylinder；73, the first spring；74, fixed link；8, clamp head；81, folder is moved Head；811, pull rod；812, clamping bar；813, force block；814, fixture block；91, third spring；92, transverse slat.

Specific implementation mode

With reference to the accompanying drawings and examples, the present invention is described in more detail.Wherein identical parts are with identical Reference numeral indicates.

Shown in 4, a kind of thoracic cavity tube drainage device of the present embodiment includes outer tube 1, piston tube 2, visits Needle 3 and sealing element 4, the piston tube 2 are socketed in outer tube 1, and the probe 3 is socketed in piston tube 2, the sealing element 4 Between piston tube 2 and outer tube 1；3 one end of the probe is stretched out from piston tube 2；Connecting plate 11 is provided on the outer tube 1, Connecting plate 11 is fixedly connected with outer tube 1, and the fixation kit for being fixed on outer tube 1 on human body is provided on the connecting plate 11 5, the fixation kit 5 includes slipping block 51, link block 52 and fixed block 53, is provided on the fixed block 53 and is used for and skin The adhesive layer 531 of close adhesion, the sliding of the slipping block 51 is connected on connecting plate 11, and is slid along 1 axial direction of outer tube； The connecting plate 11 is provided with the first groove 111 away from the side of outer tube 1, and 51 side of slipping block is inserted into the first groove 111, institute State the limit assembly 6 being provided on 111 inner wall of the first groove for limiting the sliding of slipping block 51.

Pass through above-mentioned technical proposal：The outer diameter of piston tube 2 be slightly less than or equal to outer tube 1 internal diameter, stretched into convenient for piston tube 2 In outer tube 1, the diameter of probe 3 is equal to the internal diameter of piston tube 2, convenient for the sealing between probe 3 and piston tube 2；Sealing element 4 is located at Between outer tube 1 and piston tube 2, after preventing present apparatus merging thoracic cavity from pulling out piston tube 2, intrathoracic gas or body fluid are from outer Pipe 1 overflows；3 one end of probe is stretched out from piston tube 2, convenient for the present apparatus to be placed in the thoracic cavity of patient；There is company on 1 outer wall of outer tube Fishplate bar 11 has on connecting plate 11 fixation kit 5, fixation kit 5 to be used to outer tube 1 being fixed on human body, and fixation kit 5 includes Slipping block 51, link block 52 and fixed block 53 have on fixed block 53 adhesive layer 531, adhesive layer 531 to have viscosity well, protect Card fixed block 53 can be secured be attached on human skin, to fix outer tube 1, convenient for patient carry out drawing liquid；Carry out Thoracentesis operation consent substantially determines the depth for entering human body needed for probe 3 by various instruments first, when being performed the operation, The piercing inside of human body of probe 3 is torn the paster being arranged on adhesive layer 531 after probe 3, which is punctured to, estimates depth first It goes, then adhesive layer 531 is attached on patient skin, outer tube 1 can be well fixed on human body skin by such fixation kit 5 On skin, probe 3 is extracted, changes syringe, carry out drawing liquid and observes drawing liquid speed, drawing liquid speed is normal if finding, continues drawing liquid； If it was found that when drawing liquid speed is abnormal, needs to adjust the depth that piston tube 2 enters patient's body, at this time again plug in probe 3 Enter in piston tube 2；Simultaneously by pressing or pulling slipping block 51 so that slipping block 51 is moved along 1 axial direction of outer tube, mobile After certain distance, stops pressing or pull slipping block 51, the limit assembly 6 in the first groove 111 that will limit sliding Block 51 slides, and slipping block 51 is static with respect to outer tube 1, can both adjust the depth that piston tube 2 enters inside of human body in this way, and be adjusted to Appropriate depth, and outer tube 1 need not be retightened, it is very convenient, operating time is shortened, the injury to patient is reduced, makes trouble Person's rehabilitation as early as possible.

As a kind of improved specific implementation mode, the limit assembly 6 includes several limiting tooths 61, the limit Tooth 61 is fixedly connected with 111 inner wall of the first groove；51 relative limit tooth of the slipping block, 61 side is provided with slide assemblies 7, sliding It moves on block 51 and offers the second groove 511, which is located in the second groove 511, and the slide assemblies 7 include half Sphere 71, cylinder 72 and the first spring 73, first spring 73 are located in the second groove 511,73 one end of the first spring and the Two grooves, 511 inner wall is fixedly connected, and the other end is fixedly connected with cylinder 72；The cylinder 72 is located in the second groove 511, described Cylinder 72 is fixedly connected with hemisphere 71, and first spring 73 keeps hemisphere 71 to expose outside the second groove 511.

Pass through above-mentioned technical proposal：When needing slipping block 51 to slide axially with respect to outer tube 1, by pressing or pulling cunning Block 51 is moved, hemisphere 71 will be in contact with limiting tooth 61 at this time, since limiting tooth 61 is also hemispherical configuration, occur in the two When inconsistent, extruding force can be mutually generated, the first spring 73 being now placed in the second groove 511 just deforms upon, and in this way half Sphere 71 and cylinder 72 will be moved towards away from the direction of limiting tooth 61, and such slipping block 51 can be along 1 axial direction of outer tube It is mobile, consequently facilitating adjustment piston tube 2 enters the depth of patient's body, after determining position, stops pressing or pull slipping block 51, for slipping block 51 when not by outer force effect, the first spring 73 restores deformation, and hemisphere 71 is limited in two limiting tooths at this time Between 61, it can not continue to move up and down, to make slipping block 51 that can not continue to slide, such fixation kit 5 can play very Good fixed function is convenient for thoracentesis operation.

As a kind of improved specific implementation mode, the slipping block 51 is to be detachably connected with link block 52, described solid Determine block 53 to be fixedly connected with link block 52, clamp head 8 and dynamic collet 81, clamp head 8 and sliding are provided on the slipping block 51 Block 51 is fixedly connected, and dynamic collet 81 is slidably connected with slipping block 51, is provided on the link block 52 for accommodating dynamic collet 81 Third groove 521 and the 4th groove 522 for accommodating clamp head 8,522 opening direction of third groove 521 and the 4th groove On the contrary；It is separate or close that the opposite clamp head 8 of collet 81 is moved by control so that link block 52 is separated with slipping block 51 or phase Connection.

Pass through above-mentioned technical proposal：By the way that dynamic collet 81 to be inserted into third groove 521, clamp head 8 is inserted into the 4th groove In 522, to which slipping block 51 and link block 52 be linked together；When find fixed block 53 on adhesive layer 531 viscosity it is weaker, Good fixed function can not be played, since dynamic collet 81 is to be slidably connected with slipping block 51, at this time by controlling brake clip trend Discovery movement far from clamp head 8, so that it may link block 52 and slipping block 51 to be separated, new connection can be replaced in this way Block 52 and fixed block 53；After after fetching new link block 52 and fixed block 53, as long as control moves collet 81 to close to clamp head 8 Side is moved, and final clamp head 8 is inserted into third groove 521 again, is moved collet 81 and is inserted into the 4th groove 522, such link block 52 and slipping block 51 can reconnect again together.

As a kind of improved specific implementation mode, the dynamic collet 81 includes pull rod 811 and clamping bar 812, the cunning It moves in block 51 and is provided with the first sliding groove 514,811 one end of pull rod is located in the first sliding groove 514, and the other end extends the first sliding groove 514, second sliding slot 516 is offered on 514 inner wall of the first sliding groove, and 812 one end of clamping bar is fixedly connected with pull rod 811, another End is extended outside second sliding slot 516, is provided on the part that clamping bar 812 is located at outside second sliding slot 516 for being inserted into third groove 521 fixture block 814；Force block 813 is provided on the pull rod 811, the force block 813 is fixedly connected with pull rod 811, described Force block 813 is slidably connected with the first sliding groove 514；Second spring 515, the second bullet are provided on 514 inner wall of the first sliding groove 515 one end of spring is fixedly connected with 514 inner wall of the first sliding groove, and the other end is fixedly connected with force block 813；When control 811 phase of pull rod To outer tube 1 far from when, second spring 515 deforms upon so that fixture block 814 is separated with third groove 521；Work as releasing lever When 811, second spring 515 resets so that fixture block 814 is inserted into third groove 521, and link block 52 is connected with slipping block 51.

Pass through above-mentioned technical proposal：When needing replacing link block 52 and fixed block 53, by pull pull rod 811 to away from The direction of outer tube 1 is moved, and the meeting of clamping bar 812 is with pull rod 811, so that fixture block 814 is separated with third groove 521, the Two springs 515 can deform upon under a stretching force, can remove link block 52 and fixed block 53 at this time, when fetching new company After connecing block 52 and fixed block 53, first clamp head 8 is inserted into the 4th groove 522 of link block 52, fixture block 814 is directed at link block 52 Third groove 521, releasing lever 811, pull rod 811 515 elastic force of second spring effect under be restored to initial position, press from both sides at this time Block 814 will be inserted into third groove 521 so that slipping block 51 is connected with new link block 52, this is simple in structure, convenient for more Link block 52 and fixed block 53 are changed, manufacturing cost is low.

As a kind of improved specific implementation mode, it is fixed to be provided on the part that slipping block 51 is located in the first groove 111 Position plate 512, is provided with limiting slot 112 on the connecting plate 11, the connection that pull rod 811 is connected is provided on the positioning plate 512 Dynamic component；When pull pull rod 811 with respect to outer tube 1 far from when, linkage unit drives positioning plate 512 to be separated with limiting slot 112, cunning Block 51 is moved to move along 1 radial direction of outer tube；When releasing lever 811, linkage unit drives positioning plate 512 to be inserted into limiting slot 112 It is interior, it is moved to limit slipping block 51.

Pass through above-mentioned technical proposal：Pull pull rod 811, linkage unit that will drive positioning plate to away from the direction of outer tube 1 512 move to away from the direction direction of 111 inner wall of the first groove, and positioning plate 512 is just separated with limiting slot 112 at this time, is convenient for Slipping block 51 is installed into the first groove 111, after 51 side of slipping block enters the first groove 111, releasing lever 811, connection Dynamic component will drive positioning to be inserted into limiting slot 112, slid to limit slipping block 51, ensure that whole device can be normal Operation, it is ensured that fixation kit 5 can play good fixed function；Preferably, there are two positioning for setting on slipping block 51 Plate 512 has linkage unit on each positioning plate 512, and also there are two limiting slot 112, a positioning plates 512 on connecting plate 11 It is inserted into a limiting slot 112, when each positioning plate 512 is all inserted into limiting slot 112, can further limit the sliding of slipping block 51.

As a kind of improved specific implementation mode, it is provided on the slipping block 51 and is connected with the first sliding groove 514 5th groove 517,512 side of the positioning plate are located in the first sliding groove 514, and the 5th groove 517 is extended in the other side, are located at the The first inclined-plane 513 is provided on slipping block 51 in one sliding slot 514；The linkage unit includes third spring 91 and transverse slat 92, The transverse slat 92 is fixedly connected with positioning plate 512, and described 91 one end of third spring is fixedly connected with 517 inner wall of the 5th groove, separately One end is fixedly connected with transverse slat 92；When releasing lever 811, pull rod 811 drives positioning plate 512 with respect to 111 inner wall of the first groove Mobile, third spring 91 deforms upon, to make positioning plate 512 be inserted into limiting slot 112；When control pull rod 811 is with respect to outer tube 1 When separate, third spring 91 restores deformation so that connecting plate 11 is separated with limiting slot 112.

Pass through above-mentioned technical proposal：During slipping block 51 is installed into the first groove 111, by away from outer tube 1 Direction pull pull rod 811, after pull rod 811 is pulled, third spring 91 is not by outer force effect, and positioning plate 512 is not at this time It can be in contact, be slid to close to the direction of outer tube 1 convenient for slipping block 51, when slipping block 51 is slid onto with 111 inner wall of the first groove After suitable position, releasing lever 811, pull rod 811 can push positioning plate 512 to the first groove during returning to initial position 111 inner walls move, and final positioning plate 512 enters in limiting slot 112, are moved to limit slipping block 51, whole installation process Very simple；When preparing the device, fixation kit 5 can be separately fabricated, and to reduce manufacture difficulty, manufacturing cost is also big It is big to reduce.

As a kind of improved specific implementation mode, straight slot 518,518 side of straight slot are additionally provided in the slipping block 51 It is connected with the second groove 511, the other side is connected with the first sliding groove 514；The cylinder 72 is set away from the side of hemisphere 71 It is equipped with the fixed link 74 that can enter in the first sliding groove 514, fixed link 74 is fixedly connected with cylinder 72；When releasing lever 811, draw Bar 811 and fixed link 74 are inconsistent.

Pass through above-mentioned technical proposal：When 811 Relative sliding block 51 of pull rod is static, at this time pull rod 811 can and fixed link 74 It is inconsistent, it cannot be introduced into the first sliding groove 514 so as to cause fixed link 74, in this state, even if pressing or pulling Slipping block 51 can not all be such that slipping block 51 is moved along 1 axial direction of outer tube；Only pull rod is pulled to away from the direction of outer tube 1 811, pull rod 811 is no longer inconsistent with fixed link 74 at this time, and fixed link 74 can enter in the first sliding groove 514, in this shape Under state, pressing or pulling slipping block 51, slipping block 51 can be moved along 1 axial direction of outer tube, changed piston tube 2 and entered people The length of body；After avoiding because accidentallyying run into slipping block 51, slipping block 51 is made to move, ensure that the stabilization of whole device Property, reduce unexpected occur.

As a kind of improved specific implementation mode, 2 upper end of the piston tube be provided with for limit piston tube 2 completely into Enter the first limited block 21 in outer tube 1,21 diameter of the first limited block is more than 1 caliber of outer tube；On first limited block 21 Be provided with for probe 3 enter piston tube 2 in through-hole 22,3 upper end of the probe be provided with for limit probe 3 completely into The second limited block 31 in piston tube 2,31 diameter of the second limited block are more than 22 aperture of through-hole.

Pass through above-mentioned technical proposal：By the way that the first limited block 21 is arranged in piston tube 2, due to the diameter of the first limited block 21 More than the caliber of outer tube 1 so that the first limited block 21 cannot enter inside outer tube 1, convenient for taking out piston tube 2 when necessary； There is through-hole 22 on first limited block 21,22 aperture of through-hole is identical with 2 pipe diameter size of piston tube, and such probe 3 can pass through logical Hole 22 enters in piston tube 2, has the second limited block 31 on 3 top of probe, since the diameter of the second limited block 31 is more than through-hole 22 aperture so that the second limited block 31 cannot be entered by through-hole 22 in piston tube 2, thus facilitated and taken out probe 3, Pleural effusion is drawn with needle tubing.

The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims

1. a kind of thoracic cavity tube drainage device, it is characterised in that：Include outer tube (1), piston tube (2), probe (3) and sealing element (4), the piston tube (2) is socketed in outer tube (1), and the probe (3) is socketed in piston tube (2), sealing element (4) position Between piston tube (2) and outer tube (1)；Described probe (3) one end is stretched out from piston tube (2)；It is provided on the outer tube (1) Connecting plate (11), connecting plate (11) are fixedly connected with outer tube (1), are provided on the connecting plate (11) for outer tube (1) is solid The fixation kit (5) being scheduled on human body, the fixation kit (5) include slipping block (51), link block (52) and fixed block (53), It is provided on the fixed block (53) for the adhesive layer (531) with skin close adhesion, slipping block (51) the sliding connection It is slid on connecting plate (11), and along outer tube (1) axial direction；The connecting plate (11) is arranged away from the side of outer tube (1) There are the first groove (111), slipping block (51) side to be inserted into the first groove (111), be arranged on the first groove (111) inner wall It is useful for the limit assembly (6) that limitation slipping block (51) slides.

2. a kind of thoracic cavity tube drainage device according to claim 1, it is characterised in that：The limit assembly (6) includes There are several limiting tooths (61), the limiting tooth (61) to be fixedly connected with the first groove (111) inner wall；Slipping block (51) phase Slide assemblies (7) are provided with to limiting tooth (61) side, the second groove (511), the slide assemblies are offered on slipping block (51) (7) it is located in the second groove (511), the slide assemblies (7) include hemisphere (71), cylinder (72) and the first spring (73), first spring (73) is located in the second groove (511), the first spring (73) one end and the second groove (511) inner wall It is fixedly connected, the other end is fixedly connected with cylinder (72)；The cylinder (72) is located in the second groove (511), the cylinder (72) it is fixedly connected with hemisphere (71), first spring (73) keeps hemisphere (71) to expose the second groove (511) outside.

3. a kind of thoracic cavity tube drainage device according to claim 1 or 2, it is characterised in that：The slipping block (51) with Link block (52) is to be detachably connected, and the fixed block (53) is fixedly connected with link block (52), is set on the slipping block (51) It is equipped with clamp head (8) and dynamic collet (81), clamp head (8) is fixedly connected with slipping block (51), moves collet (81) and slipping block (51) it is slidably connected, third groove (521) for accommodating dynamic collet (81) is provided on the link block (52) and for holding Receive the 4th groove (522) of clamp head (8), third groove (521) and the 4th groove (522) opening direction are opposite；Pass through control Dynamic collet (81) is separate or close with respect to clamp head (8) so that link block (52) is separated or is connected with slipping block (51).

4. a kind of thoracic cavity tube drainage device according to claim 3, which is characterized in that the dynamic collet (81) includes Pull rod (811) and clamping bar (812), are provided with the first sliding groove (514) in the slipping block (51), and pull rod (811) one end is located at the In one sliding slot (514), the other end extends the first sliding groove (514), and second sliding slot is offered on the first sliding groove (514) inner wall (516), clamping bar (812) one end is fixedly connected with pull rod (811), and the other end extends second sliding slot (516) outside, clamping bar (812) The fixture block (814) for being inserted into third groove (521) is provided on the part of second sliding slot (516) outside；The pull rod (811) force block (813) is provided on, the force block (813) is fixedly connected with pull rod (811), the force block (813) with The first sliding groove (514) is slidably connected；It is provided with second spring (515), second spring on the first sliding groove (514) inner wall (515) one end is fixedly connected with the first sliding groove (514) inner wall, and the other end is fixedly connected with force block (813)；When control pull rod (811) when opposite outer tube (1) is separate, second spring (515) deforms upon so that fixture block (814) mutually takes off with third groove (521) From；When releasing lever (811), second spring (515) resets so that fixture block (814) is inserted into third groove (521), connection Block (52) is connected with slipping block (51).

5. a kind of thoracic cavity tube drainage device according to claim 4, which is characterized in that it is recessed that slipping block (51) is located at first It is provided with positioning plate (512) on part in slot (111), limiting slot (112), the positioning are provided on the connecting plate (11) The linkage unit that pull rod (811) is connected is provided on plate (512)；When pulling pull rod (811) separate with respect to outer tube (1), connection Dynamic component drives positioning plate (512) to be separated with limiting slot (112), and slipping block (51) is moved along outer tube (1) radial direction；Work as pine When opening pull rod (811), linkage unit drives positioning plate (512) to be inserted into limiting slot (112), is moved to limit slipping block (51) It is dynamic.

6. a kind of thoracic cavity tube drainage device according to claim 5, which is characterized in that be arranged on the slipping block (51) There are the 5th groove (517) being connected with the first sliding groove (514), positioning plate (512) side to be located at the first sliding groove (514) Interior, the 5th groove (517) is extended in the other side, and the first inclined-plane is provided on the slipping block (51) being located in the first sliding groove (514) (513)；The linkage unit includes third spring (91) and transverse slat (92), and the transverse slat (92) is fixed with positioning plate (512) to be connected It connects, described third spring (91) one end is fixedly connected with the 5th groove (517) inner wall, and the other end is fixedly connected with transverse slat (92)； When releasing lever (811), pull rod (811) drives positioning plate (512) to be moved relative to the first groove (111) inner wall, third spring (91) it deforms upon, to make positioning plate (512) be inserted into limiting slot (112)；When control pull rod (811) is remote with respect to outer tube (1) From when, third spring (91) restore deformation so that connecting plate (11) is separated with limiting slot (112).

7. a kind of thoracic cavity tube drainage device according to claim 6, which is characterized in that also set in the slipping block (51) It is equipped with straight slot (518), straight slot (518) side is connected with the second groove (511), and the other side is connected with the first sliding groove (514)； The cylinder (72) is provided with the fixed link (74) that can enter in the first sliding groove (514) away from the side of hemisphere (71), Gu Fixed pole (74) is fixedly connected with cylinder (72)；When releasing lever (811), pull rod (811) and fixed link (74) are inconsistent.

8. a kind of thoracic cavity tube drainage device according to claim 7, which is characterized in that piston tube (2) upper end is set It is equipped with for limiting piston tube (2) completely into the first limited block (21) in outer tube (1), the first limited block (21) diameter More than outer tube (1) caliber；The through-hole entered for probe (3) in piston tube (2) is provided on first limited block (21) (22), probe (3) upper end is provided with for limiting probe (3) completely into the second limited block (31) in piston tube (2), Second limited block (31) diameter is more than through-hole (22) aperture.