CN208677519U - Disposable detachable puncture importer - Google Patents

Abstract

The utility model belongs to minimally invasive medical equipment technology field, more particularly to disposable detachable puncture importer, lower case including being equipped with inner cavity, the upper cover on lower case top, the puncture conduit that lower case bottom is connect with lower case, device core and puncturing lever in lower housing cavity, puncturing lever passes through upper cover, lower case, it extends to and is punctured in conduit after device core, the upper cover is detachably connected with upper housing, upper cover is equipped with the inner hole for leading to lower housing cavity, lower case upper end corresponds to the connecting cylinder for being equipped with and raising upward at inner hole, inner hole is set in outside connecting cylinder, inner hole inner wall is equipped with multiple connection pawls towards axle center protrusion, it connects drum outer wall and is equipped with and the regularity of distribution consistent link slot consistent with connection pawl number, connection pawl is caught in link slot and realizes being detachably connected between upper cover and lower case, upper cover is detachable, convenient for sample of tissue hand The operation of art improves procedure efficiency.

Description

Disposable detachable puncture importer

Technical field

The utility model belongs to minimally invasive medical equipment technology field, and in particular to disposable detachable puncture imports Device.

Background technique

In order to form wound hole in skin surface in current existing medical operating, puncture importer is passed through by using thorn stick Device core, be pierced by puncture importer poling reach skin after be pierced into skin formed wound hole, then extract thorn stick to wound Kong Jinhang Inflation is in order to perform the operation.And existing puncture importer is non-removable structure, is fixedly connected between component, after puncture, is only capable of leading to It crosses and carries out corresponding operation in the entrance narrow space of inducting device, and when cancelling the operation of sample of tissue, the tissue of sampling It is difficult to easily take out very much from narrow entrance, makes operation there are biggish operation difficulty, operation is adversely affected.

Utility model content

Technical problem to be solved in the utility model is in view of the foregoing drawbacks, to provide disposable detachable puncture and lead Enter device, upper cover is detachable, convenient for the operation of sample of tissue operation, improves procedure efficiency.

The utility model solve its technical problem the technical solution adopted is as follows:

Disposable detachable puncture importer, including being equipped with the lower case of inner cavity, the upper cover on lower case top, lower casing The puncture conduit, device core and puncturing lever in lower housing cavity that body bottom is connect with lower case, puncturing lever pass through upper cover, lower casing It extends to and is punctured in conduit after body, device core, the upper cover is detachably connected with upper housing, and upper cover, which is equipped with, leads to lower housing cavity Inner hole, lower case upper end, which corresponds to, is equipped with the connecting cylinder that raises upward at inner hole, inner hole is set in outside connecting cylinder, and inner hole inner wall is set There are multiple connection pawls towards axle center protrusion, connection drum outer wall is equipped with and the regularity of distribution consistent connection consistent with connection pawl number Slot, connection pawl are caught in link slot and realize being detachably connected between upper cover and lower case, be equipped in upper cover and enter progress to puncturing lever The seal assembly of sealing, device core are fixed in upper housing, and device core bottom is equipped with the device core passed through for puncturing lever and exports, in lower case It is intracavitary equipped with controller core outlet opened/closed movable plate, lower case corresponding position be equipped with control movable plate button mechanism, upper cover with It is detachably connected by connection pawl with link slot between lower case, disassembling section is simple, after upper cover disassembly, greatly takes convenient for tissue The smooth operation of sample operation, reduces operating difficulty, shortens operating time, improves procedure efficiency.

Further, the upper cover, lower case, device core, puncture conduit it is concentric, the link slot by connecting cylinder outside Wall surface corresponding position is recessed, and link slot includes the cooperation extended along set access slot, the socket trench bottom of connecting cylinder axial direction to side Slot.

Further, upper cover, the lower case place of being detachably connected are additionally provided with cricoid sealing ring, and connecting cylinder is equipped with and is embedded sealing The embedded hole of ring, upper cover, lower case connection increasing back sealing ring bottom face contact sealing with upper housing.

Further, the device core upper end is equipped with connecting plate, and connecting plate connect with lower case upper end, and connecting plate is by lower casing Intracoelomic cavity closing, the connecting cylinder are arranged at connecting plate axle center.

Further, described movable plate one end is flexibly connected with device core, is separately installed with and is attracted each other on movable plate and device core The first magnetic patch, the second magnetic patch, the movable plate exported by adsorption capacity between the first magnetic patch and the second magnetic patch and device core and connect Touch sealing.

Further, the button mechanism includes that lower case is arranged to correspond to push rod, button at movable plate, push rod and lower casing Body is slidably matched, and push rod is connected with movable plate by inclined-plane close to the inner end of movable plate, and rear end of the push rod far from movable plate is arranged in button, The reset spring for resetting push rod is equipped between button and lower case, reset spring is set on push rod.

Further, the upper cover includes the upper housing of middle shell, middle upper part of the housing, middle housing bottom and lower case top End is detachably connected, and the inner hole is provided at middle shell axle center, and upper housing axle center is equipped with the piercing hole communicated with inner hole, thorn Enter hole and inner hole joint and be equipped with seal assembly, seal assembly includes bowl-shape sealing ring, sealing ring is fixed on to inner hole, piercing Retainer plate between hole, retainer plate upper and lower end face connect with piercing hole bottom end, inner hole top respectively.

Further, successively laminate and formed before and after the sealing ring is distributed in a ring by more valves lining form, lining form by with The fan-shaped sealing that the interconnecting piece of retainer plate connection, interconnecting piece bottom side extend downwardly is constituted, knockdown sealing ring and puncturing lever Contact it is more preferable, deformation resistant, improve sealing effect, improve the safety of this puncture importer.

Further, the lower case is equipped with connection inner cavity and external breather valve.

Further, the lower case lower part is arranged with ear and drags, and ear drags to be equipped in the two sides of lower case to be protruded outward Lug.

The beneficial effects of the utility model are: using the above scheme, passing through connection pawl and link slot between upper cover and lower case It is detachably connected, disassembling section is simple, after upper cover disassembly, greatly convenient for the smooth operation of sample of tissue operation, reduces operation Difficulty shortens operating time, improves procedure efficiency, and upper cover sealed by knockdown sealing ring, and sealing ring and puncturing lever connect More preferable, the deformation resistant of touching property, improves sealing effect, improves the safety of this puncture importer.

Detailed description of the invention

Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will It becomes apparent.

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the cross section structure schematic diagram of the utility model.

Fig. 3 is the cross section structure schematic diagram of upper cover and lower case assembled state in the utility model.

Fig. 4 is the structural schematic diagram in the utility model at connecting plate.

Fig. 5 is the structural schematic diagram of upper cover in the utility model.

Fig. 6 is the structural schematic diagram of middle shell in the utility model.

Fig. 7 is the structural schematic diagram that pawl is connected in the utility model.

Fig. 8 is the structural schematic diagram of device core in the utility model.

Fig. 9 is the structural schematic diagram of sealing ring in the utility model.

Figure 10 is the structural schematic diagram of lining form in the utility model.

Figure 11 is the enlarged diagram in the portion I in Fig. 2.

Figure 12 is the structural schematic diagram of spacer ferrule in the utility model；

Figure 13 is the schematic diagram of the puncture conduit in the utility model；

Wherein: 1 is lower case, and 11 be inner cavity, and 12 drag for ear, and 121 be lug, and 2 be middle shell, and 21 be inner hole, and 22 be company Connect pawl, 221 be positioning protrusion, and 3 be upper housing, and 31 be matching hole, and 4 is puncture conduit, and 41 be spacer ferrule, and 42 be positioning ring, 411 It is right cranse for left cranse, 412,413 be torsional spring, and 414 be handle, and 5 be device core, and 51 be connecting plate, and 52 export for device core, and 53 are Engaging lug, 54 be the second magnetic patch, and 55 be connecting cylinder, and 56 be link slot, and 561 be set access slot, and 562 be mating groove, and 57 be annular Slot, 58 be locating slot, and 6 be movable plate, and 61 for the first magnetic patch 61,7 be push rod, and 71 be button, and 72 be reset spring, and 8 be sealing ring, 81 be retainer plate, and 82 be lining form, and 821 be interconnecting piece, and 822 be sealing, and 83 be collet, and 9 be sealing ring, and 91 be embedded hole, 10 It is puncturing lever for breather valve, 101.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

Embodiment 1: referring to figs. 1 to shown in Figure 12, disposable detachable puncture importer, including being equipped with inner cavity 11 What lower case 1, the upper cover on lower case top, 1 bottom of lower case were connect with lower case punctures conduit 4, device intracavitary in lower case 1 Core 5 and puncturing lever 101, lower case 1, upper cover, puncture conduit 4, device core 5 keep concentric, and the top of lower case 11 is inner cavity The top of 11 opening, device core 5 is equipped with connecting plate 51, the opening shape one of 51 shape of connecting plate and 11 top inner cavity 11 of lower case It causes, for connecting plate 51 by the closure of openings of device core 5, connecting plate 51 is Nian Jie with opening, and device core 5 is suspended at inner cavity by connecting plate 51 Inside 11,5 bottom of device core is equipped with 45 ° of inclined device core outlets 52, is equipped with controller at corresponding position device core outlet 52 in inner cavity 11 Core exports the movable plate 6 of 52 opened/closeds, and 6 upper end of movable plate is flexibly connected with the engaging lug 53 being arranged at 51 bottom face of connecting plate, even 1 side of lower case of 53 corresponding position of lug is equipped with push rod 7, and push rod 7 is bevel structure close to the inner end of movable plate 6, and 7 outer end of push rod is set Have a button 71, push rod 7 is horizontally disposed, be equipped with the sideslip hole being slidably matched with push rod 7 at the corresponding push rod 7 of lower case 1, movable plate 6 with The plate face of 53 active connection place of engaging lug is contacted with the bevel structure of push rod 7, under normality, movable plate 6 and inclined-plane parallel contact, when pushing away The advance of bar 7 makes to push movable plate 6, and movable plate 6 is downwardly turned over using engaging lug active connection place as axis, opens device core outlet 52, button 71 and lower case 1 sideslip hole hole end surface between be equipped with so that push rod 7 is advanced after self-resetting reset spring 72, movable plate 2 is separate The back side of device core 5 is equipped with the first magnetic patch 61, and the side side wall far from movable plate is equipped with the second magnetic patch 54, the first magnetic patch on device core 5 61, the second magnetic patch 54 attracts each other, and movable plate 5 is made to have the trend being fitted at device core opening 52, device core opening 52 using holding Place is equipped with seal washer, and under normality, movable plate 5 is fitted at device core opening 52, and retainer core 5 is closed, by lower button 71, movable plate 6 Overturning opens device core opening 52, and puncturing lever 101 sequentially passes through upper cover, device core 5, lower case 1 and unanimously extends to puncture conduit In 4, upper cover is detachably connected with upper housing 1, and upper cover, which is equipped with, leads to the inner hole 21 of 1 inner cavity 11 of lower case, at 51 axle center of connecting plate Equipped with the connecting cylinder 55 to raise upward, inner hole 21 is set in outside connecting cylinder 55,21 inner wall of inner hole set there are two towards axle center protrusion Connection pawl 22, two connection pawls 22 are along inner hole a certain diameter line setting, and two connection pawls 22 are symmetrical about 21 axle center of inner hole, company 55 outer wall of connect cylinder is equipped with and the regularity of distribution consistent link slot 56 consistent with 22 pawl numbers of connection, and connection pawl 22 is caught in link slot 56 Upper cover and lower case 1 freedom degree on axis each other are limited, realizes being detachably connected between upper cover and lower case 1.

Link slot 56 is recessed by 55 outside wall surface corresponding position of connecting cylinder, and link slot 56 includes axial along connecting cylinder 55 Cover access slot 561, set 561 bottom of access slot to the horizontal-extending mating groove 562 in side, cover the width of access slot 561 with to connect pawl 22 wide Degree is consistent, and connection pawl 22 can be slided circumferentially in set access slot 561, at cooperation 562 height with connect pawl 22 highly unanimously, Connection pawl 22 slides to behind set 562 bottom of access slot and rotates slide-in mating groove 562 to 562 side of mating groove, and mating groove 562 defines The freedom degree of pawl 22 in the axial direction is connected, realizes the connection and disassembly between upper cover and lower case 1, assembly and disassembly operations is simple, quick, After upper cover disassembly, sample of tissue can be directly taken out from connecting cylinder, not the obstruction interference of upper cover, can operating space increasing Greatly, doctor is easier to implement operation, promotes to reduce operating time, greatly improves progress and the procedure efficiency of operation.

Upper cover includes the upper housing 3 of middle shell 2,2 top of middle shell, and inner hole 21 is arranged at the axle center of middle shell 2, upper casing 3 axle center of body is equipped with matching hole 31 identical with inner hole 21, and matching hole 31, about 21 inner hole are opposite to be communicated, matching hole 31 and inner hole 21 joints are equipped with seal assembly, and seal assembly includes bowl-shape sealing ring 8, sealing ring 8 is fixed on to 21 top ports of inner hole Retainer plate 81, the front and back of lining form 82 that sealing ring 8 is distributed in a ring by pintongs, which successively laminates, to be formed, lining form 82 by with retainer plate 81 Lateral bottom side is in that the conical surface extends to form sealing 822, four interconnecting pieces 821 downwards in the interconnecting piece 821 of connection, interconnecting piece 821 Uniformly arrangement forms connection structure in a ring, and four 822 front and backs of sealing successively laminate to form bowl-shape sealing structure, interconnecting piece Cricoid collet 83 is had on 821, for upper and lower two collets 83 by four interconnecting pieces 821 in centre, lining form 82 surrounds sealing ring 8, collet 83 is fixed by the connecting rod on retainer plate 81, is sealed to upper cover, and instrument sterile safety, middle shell 2 are improved Cricoid sealing ring 9 is equipped between connecting cylinder 11,21 bottom face of inner hole is equipped with the embedded hole 91 being recessed upwards, and sealing ring 9 is embedded In embedded hole 91,9 bottom end of sealing ring is exposed outside inner hole 21, and when upper cover is connect with lower case 1, sealing ring 9 connects with connecting plate 51 Touching, is sealed junction, and 1 side of lower case is additionally provided with connection inner cavity 11 and external breather valve 10,1 lower part of lower case set Drag 12 equipped with ear, ear drags 12 to be set in and punctures conduit 4 and 1 joint of lower case, ear drag 12 be equipped at left and right sides of lower case 1 to The lug 121 of outside protrusion, lug 121 are convenient for the hand-held of doctor, and two lugs 121 are symmetrical arranged, and are convenient for operator couple Inducting device is controlled, and the precision for puncturing and importing is improved.

Embodiment 2: referring to figs. 1 to shown in Figure 12, disposable detachable puncture importer, including being equipped with inner cavity 11 What lower case 1, the upper cover on lower case top, 1 bottom of lower case were connect with lower case punctures conduit 4, device intracavitary in lower case 1 Core 5 and puncturing lever 101, lower case 1, upper cover, puncture conduit 4, device core 5 keep concentric, and the top of lower case 11 is inner cavity The top of 11 opening, device core 5 is equipped with connecting plate 51, the opening shape one of 51 shape of connecting plate and 11 top inner cavity 11 of lower case It causes, for connecting plate 51 by the closure of openings of device core 5, connecting plate 51 is Nian Jie with opening, and device core 5 is suspended at inner cavity by connecting plate 51 Inside 11,5 bottom of device core is equipped with 45 ° of inclined device core outlets 52, is equipped with controller at corresponding position device core outlet 52 in inner cavity 11 Core exports the movable plate 6 of 52 opened/closeds, and 6 upper end of movable plate is flexibly connected with the engaging lug 53 being arranged at 51 bottom face of connecting plate, even 1 side of lower case of 53 corresponding position of lug is equipped with push rod 7, and push rod 7 is bevel structure close to the inner end of movable plate 6, and 7 outer end of push rod is set Have a button 71, push rod 7 is horizontally disposed, be equipped with the sideslip hole being slidably matched with push rod 7 at the corresponding push rod 7 of lower case 1, movable plate 6 with The plate face of 53 active connection place of engaging lug is contacted with the bevel structure of push rod 7, under normality, movable plate 6 and inclined-plane parallel contact, when The advance of push rod 7 makes to push movable plate 6, and movable plate 6 is downwardly turned over using engaging lug active connection place as axis, opens device core outlet 52, presses Self-resetting reset spring 72 after making push rod 7 advance is equipped between button 71 and the sideslip hole hole end surface of lower case 1, movable plate 2 is remote The back side from device core 5 is equipped with the first magnetic patch 61, and the side side wall far from movable plate is equipped with the second magnetic patch 54, the first magnetic on device core 5 Block 61, the second magnetic patch 54 attract each other, and make movable plate 5 using keeping having the trend being fitted at device core opening 52, device core is open Seal washer is equipped at 52, under normality, movable plate 5 is fitted at device core opening 52, and retainer core 5 is closed, by lower button 71, movable plate 6 overturnings open device core opening 52, and puncturing lever 101 sequentially passes through consistent extend to puncture of upper cover, device core 5, lower case 1 and leads In pipe 4, upper cover is detachably connected with upper housing 1, and upper cover is equipped with the inner hole 21 for leading to 1 inner cavity 11 of lower case, 51 axle center of connecting plate Place is equipped with the connecting cylinder 55 that raises upward, and inner hole 21 is set in outside connecting cylinder 55, and 21 inner wall of inner hole sets that there are two convex towards axle center The connection pawl 22 risen, for two connection pawls 22 along a certain diameter line setting of inner hole, two connection pawls 22 are symmetrical about 21 axle center of inner hole, 55 outer wall of connecting cylinder is equipped with and the regularity of distribution consistent link slot 56 consistent with 22 pawl numbers of connection, and connection pawl 22 is caught in link slot 56 limit upper cover and lower case 1 freedom degree on axis each other, realize being detachably connected between upper cover and lower case 1.

Link slot 56 is recessed by 55 outside wall surface corresponding position of connecting cylinder, and link slot 56 includes axial along connecting cylinder 55 Cover access slot 561, set 561 bottom of access slot to the horizontal-extending mating groove 562 in side, cover the width of access slot 561 with to connect pawl 22 wide Degree is consistent, and connection pawl 22 can be slided circumferentially in set access slot 561, at cooperation 562 height with connect pawl 22 highly unanimously, Connection pawl 22 slides to behind set 562 bottom of access slot and rotates slide-in mating groove 562 to 562 side of mating groove, and mating groove 562 defines The freedom degree of pawl 22 in the axial direction is connected, realizes the connection and disassembly between upper cover and lower case 1, assembly and disassembly operations is simple, quick, After upper cover disassembly, sample of tissue can be directly taken out from connecting cylinder, not the obstruction interference of upper cover, can operating space increasing Greatly, doctor is easier to implement operation, promotes to reduce operating time, greatly improves progress and the procedure efficiency of operation, cooperates Slot 562 makes 562 opening of mating groove with the oblique angle structure that set 561 joint of access slot is convenient for connecting the entrance of pawl 22, oblique angle structure It is incremented by from inside to outside, convenient for connecting the entrance of pawl 22,55 upper end of connecting cylinder is equipped with annular groove 57,57 bottom end of annular groove and set access slot 561 communicate, and 57 top of annular groove extends to 55 top end face of connecting cylinder, and annular groove 57 is inserted in 21 bottom end of inner hole, reinforce junction Leakproofness and compactness, cell wall is equipped with the locating slot 563 being recessed upwards on mating groove 562, connection 22 upper surface of pawl be equipped with to On positioning protrusion 221, connection pawl 22 slide into mating groove 562 in after, connection pawl 22 positioning protrusion 221 be caught in locating slot 563 It is interior, guarantee the locking relationship of connection pawl and mating groove, improves the reliability connecting between upper cover and lower case.

Upper cover includes the upper housing 3 of middle shell 2,2 top of middle shell, and inner hole 21 is arranged at the axle center of middle shell 2, upper casing 3 axle center of body is equipped with matching hole 31 identical with inner hole 21, and matching hole 31, about 21 inner hole are opposite to be communicated, matching hole 31 and inner hole 21 joints are equipped with seal assembly, and seal assembly includes bowl-shape sealing ring 8, sealing ring 8 is fixed on to 21 top ports of inner hole Retainer plate 81,82 front and back of lining form that sealing ring 8 is distributed in a ring by pintongs, which successively laminates, to be formed, and lining form 82 with retainer plate 81 by connecting Lateral bottom side is in that the conical surface extends to form sealing 822 downwards in the interconnecting piece 821 that connects, interconnecting piece 821, and four interconnecting pieces 821 are in Annular uniformly arrangement forms connection structure, and four 822 front and backs of sealing successively laminate to form bowl-shape sealing structure, interconnecting piece Cricoid collet 83 is had on 821, for upper and lower two collets 83 by four interconnecting pieces 821 in centre, lining form 82 surrounds sealing ring 8, collet 83 is fixed by the connecting rod on retainer plate 81, is sealed to upper cover, and instrument sterile safety is improved, knockdown Four sealing deformation extents of sealing ring are consistent, and front and back is laminated with biggish deflection, can more be bonded with puncturing lever closely, Resistance to deformation is good, and cricoid sealing ring 9 is equipped between middle shell 2 and connecting cylinder 11, and inner hole 21 bottom face is equipped with to be recessed upwards Embedded hole 91, sealing ring 9 are embedded in embedded hole 91, and 9 bottom end of sealing ring is exposed outside inner hole 21, when upper cover is connect with lower case 1, Sealing ring 9 is contacted with connecting plate 51, is sealed to junction, and 1 side of lower case is additionally provided with connection inner cavity 11 and leads to external Air valve 10,1 lower part of lower case are arranged with ear and drag 12, and ear drags 12 to be set in and punctures conduit 4 and 1 joint of lower case, ear drag 12 The lug 121 protruded outward is equipped at left and right sides of lower case 1, lug 121 is convenient for the hand-held of doctor, two lugs 121 It is symmetrical arranged, inducting device is controlled convenient for operator, improve the precision for puncturing and importing, after puncture importer is pierced into human body, Upper cover can be dismantled efficiently, and opening is increased, and manipulation space increases, and convenient for the progress of sample of tissue surgical procedure, greatly mention The efficiency of height operation.

The spacer ferrule 41 for being arranged with auxiliary positioning on conduit 4 is punctured, 4 outer wall of conduit is punctured and is equipped with multiple cricoid positioning rings 42, the section of positioning ring 42 is chamfer triangle, and right-angle side connects with 4 outer wall of conduit is punctured, spacer ferrule 41 and positioning ring 42 activity cooperations, spacer ferrule 41 are made of left cranse 411, right cranse 412, torsional spring 413, handle 414, left cranse 411, right cranse 412 be semicircle shape, and left cranse 411, right cranse 412 piece together ring-type and be set in puncture 4 outer wall of conduit, left cranse 411, right hoop It encloses 412 ends to be equipped with convenient for hand-held grip end, torsional spring 413 is arranged in left cranse 411,412 inner wall of right cranse, torsional spring 413 1 End is connect with right 412 inner wall of cranse, and the other end is movable end along left 411 outside of cranse is stretched outside, and left cranse 411 is equipped with and torsional spring The sliding slot of 413 movable ends cooperation, 413 movable end of torsional spring connect handle 414, by grips said handle 414, change handle 414 in cunning Position in slot makes torsional spring 413 fasten or relax, and the fastening of torsional spring 413 positions spacer ferrule 41 on puncturing conduit 4, is convenient for Surgical procedure, the adjustable spacer ferrule 41 of the relaxation of torsional spring 413 are puncturing the position on conduit 4.

The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model System, it is all according to any simple modification to the above embodiments in the technical essence of the utility model, equivalent variations, fall Enter within the protection scope of the utility model.

Claims (10)

1. disposable detachable puncture importer, including being equipped with the lower case of inner cavity, the upper cover on lower case top, lower case The puncture conduit, device core and puncturing lever in lower housing cavity that bottom is connect with lower case, puncturing lever pass through upper cover, lower casing It extends to and is punctured in conduit after body, device core, it is characterised in that: the upper cover is detachably connected with upper housing, and upper cover is equipped with logical To the inner hole of lower housing cavity, lower case upper end corresponds to the connecting cylinder for being equipped with and raising upward at inner hole, and inner hole is set in connecting cylinder Outside, inner hole inner wall is equipped with multiple connection pawls towards axle center protrusion, and connection drum outer wall is equipped with consistent with connection pawl number and is distributed The consistent link slot of rule, connection pawl are caught in link slot and realize being detachably connected between upper cover and lower case, are equipped in upper cover pair The seal assembly that puncturing lever is sealed, device core are fixed in upper housing, and device core bottom is equipped with the device passed through for puncturing lever Core outlet, the interior movable plate equipped with controller core outlet opened/closed of lower housing cavity, lower case corresponding position is equipped with control movable plate Button mechanism.

2. disposable detachable puncture importer according to claim 1, it is characterised in that: the upper cover, under Shell, device core, puncture conduit are concentric, and the link slot is recessed by connecting cylinder outside wall surface corresponding position, and link slot includes The mating groove extended along set access slot, the socket trench bottom of connecting cylinder axial direction to side.

3. disposable detachable puncture importer according to claim 1, it is characterised in that: upper cover, lower case can Cricoid sealing ring is additionally provided at dismantling connection, connecting cylinder is equipped with the embedded hole for being embedded sealing ring, close after upper cover, lower case connection Seal ring bottom face contacts sealing with upper housing.

4. disposable detachable puncture importer according to claim 1, it is characterised in that: the device core upper end Equipped with connecting plate, connecting plate is connect with lower case upper end, and connecting plate closes lower housing cavity, and the connecting cylinder setting is even At fishplate bar axle center.

5. disposable detachable puncture importer according to claim 1, it is characterised in that: described movable plate one end It is flexibly connected with device core, the first magnetic patch to attract each other, the second magnetic patch is separately installed on movable plate and device core, the movable plate is logical The adsorption capacity and device core outlet contact formula crossed between the first magnetic patch and the second magnetic patch seal.

6. disposable detachable puncture importer according to claim 1, it is characterised in that: the button mechanism Including setting lower case correspond to push rod, button at movable plate, push rod is slidably matched with lower case, push rod close to movable plate inner end and Movable plate is connected by inclined-plane, and rear end of the push rod far from movable plate is arranged in button, and being equipped between button and lower case makes push rod reset Reset spring, reset spring are set on push rod.

7. disposable detachable puncture importer according to claim 1, it is characterised in that: the upper cover includes Middle shell, middle upper part of the housing upper housing, middle housing bottom is detachably connected with lower case top, during the inner hole is provided with At shell axle center, upper housing axle center is equipped with the piercing hole communicated with inner hole, is pierced into hole and inner hole joint and is equipped with seal assembly, close The retainer plate that sealing assembly includes bowl-shape sealing ring, sealing ring is fixed on to inner hole, is pierced between hole, retainer plate upper and lower end face point Do not connect with piercing hole bottom end, inner hole top.

8. disposable detachable puncture importer according to claim 7, it is characterised in that: the sealing ring by Successively laminate to be formed before and after lining form that more valves are distributed in a ring, lining form from connect with retainer plate interconnecting piece, interconnecting piece bottom side to The fan-shaped sealing of lower extension is constituted.

9. disposable detachable puncture importer according to claim 1, it is characterised in that: the lower case is set There are connection inner cavity and external breather valve.

10. disposable detachable puncture importer according to claim 1, it is characterised in that: the lower case Lower part is arranged with ear and drags, and ear, which is dragged, is equipped with the lug protruded outward in the two sides of lower case.