CN1822878A - Closure with passage slit for a haemostatic valve assembly - Google Patents
Closure with passage slit for a haemostatic valve assembly Download PDFInfo
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- CN1822878A CN1822878A CNA2004800204111A CN200480020411A CN1822878A CN 1822878 A CN1822878 A CN 1822878A CN A2004800204111 A CNA2004800204111 A CN A2004800204111A CN 200480020411 A CN200480020411 A CN 200480020411A CN 1822878 A CN1822878 A CN 1822878A
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Abstract
A closure for a valve ( 128 ) of a connector ( 100 ) of a haemostatic valve assembly comprises a resilient closure member ( 130 ), which defines a first and a second, opposite end surface ( 156; 160 ) and at least one passage slit ( 164 ). The passage slit is normally closed and extends between the two end surfaces, the passage slit being arranged to open by a tubular member ( 134 ) being extended therethrough, the passage slit ( 164 ) having a wider extent at the first surface than at the second surface. A plurality of such passage slits ( 164 ) may define a first, common point of contact ( 166 ) on the first surface ( 156 ) and may extend radially outwardly from the point of contact ( 166 ) at the first surface ( 156 ).
Description
Technical field
The present invention relates generally to be used for the field of connectors of haemostatic valve assembly, as used at angioplasty for example.A kind of elongate members as a kind of balloon catheter or a kind of intravascular stent, can be inserted in the biological vascular system by adapter, and above-mentioned adapter comprises that is used for a safe hemostatic haemostatic valve.Especially, the invention provides a kind of improved closure member that is used for haemostatic valve assembly.More particularly, the present invention relates to a kind of closure member, described closure member is made with a kind of resilient material, and comprises a slit that extends between two facing surfaces.
Background of invention
Operation need enter biological as a cardiac's vascular system, such as being used to insert balloon catheter or mounting system as during angioplasty in blood vessel.Usually, inlet is to provide by a kind of adapter, and described adapter is such as providing and being connected of guiding catheter, and adapter engages a haemostatic valve, so that can be with in a kind of elongated apparatus insertion organism, and provides safe hemostasis simultaneously.The part of a side arm as this adapter can be set, so that being connected of a kind of and arm is provided, described arm is used for pressure monitoring, contrast medium injection and/or normal saline washing.The adapter that has side arm is referred to as ' Y-connection ' usually.Haemostatic valve guarantees that blood does not flow out adapter, and makes a kind of conduit, mounting system or arteriotomy apparatus can pass through adapter simultaneously.At the far-end of adapter, a rotatable Luer can be set, described Luer is used in the proximal end of guiding catheter adapter being fastened to a corresponding member.
U.S. Patent No. 5,195,980 (David G.Catlin) disclose a kind of haemostatic valve that is included in the Y-connection.Haemostatic valve is included in the sectional near-end of adapter master, and described adapter master segmentation comprises a rotatable Luer at its far-end.Side arm is bonded on the main segmentation between far-end and the haemostatic valve.Also disclose a kind of resilient valve element, described resilient valve element comprises a closed usually slit, and described slit is arranged to by an input pipe that runs through it and extends.Another example of haemostatic valve is from U.S. Patent No. 5.176, known among 652 (PerryK.Littrell), the haemostatic valve of above-mentioned United States Patent (USP) ' 652 comprises two elastic washers, described two elastic washers have some slits, these slits can allow elongate members run through, slit runs through corresponding packing ring fully simultaneously, and each packing ring is tilted in relation to each other displacement.United States Patent (USP) ' 652 and U.S. Patent No. 4,798,594 (Richard A.Hillstead) also disclose the slit of spiral extension.
The coronary angioplasty technology generally illustrates in the document below: Bernhard Meier work, coronary angioplasty, Grune﹠amp; Stratton, the Inc. distribution, Harcourt BraceJovanovich publishes, and 1987.
Summary of the invention
The objective of the invention is in adapter provides a kind of effective seal between a passage and the outside atmosphere, especially in a kind of sealing of adapter proximal end, and can be used for simultaneously being easy to insert a conduit or mounting system by a closure member.Closure member of the present invention is made with a kind of resilient material, and comprises a slit, and described slit extends between two facing surfaces.Slit is shaped, the closure member of a band positiver sealing is provided when running through closure member with conduit of box lunch or mounting system, and when valve is in closure state, that is when not having conduit or mounting system to run through closure member, also provide a kind of reliable closure member.
Therefore, the invention provides a kind of closure member, described closure member is used for a kind of valve of haemostatic valve assembly adapter, above-mentioned closure member comprises a closure member, described closure member is made with a kind of resilient material, and limit first and second end surfaces, and at least one passage slit, above-mentioned second end surfaces is relative with first end surfaces, above-mentioned passage slit is closed usually, and between two end surfaces, extend, passage slit is arranged to and runs through it by a tubular element and open, passage slit has a length greater than the length at the second surface place at the first surface place, that is passage slit has at the first surface place than in the wideer scope in second surface place.In other words, in a surface of closure member, the lateral length of slit is shorter than the lateral length of another surface slit of closure member.Therefore, slit limits a conductor that is used for conduit or mounting system, and when this system passed closure member and moves, described conductor forced member to pass closure member at least in part and inserts and the closure member tilt alignment.In a preferred embodiment, closure member is a kind of member of washer-shaped, and described washer-shaped member is made as silicone rubber or latex with a kind of flexible or elastomeric material.Passage slit preferably forms like this, so that it limits one first axis of symmetry on first surface, described first axis of symmetry is aimed at second axis of symmetry on the second surface, so conduit or mounting system be when running through closure member, keeps that the end surfaces with closure member is vertical basically.By aforesaid slit is provided, reduce conduit or mounting system and aimed at inappropriate danger with closure member, therefore and reduced conduit or mounting system makes closure member stretch/be out of shape so far in slit areas, the danger in generation gap between the outer wall of conduit or mounting system and closure member is consequently arranged.
In preferred embodiments more of the present invention, a plurality of passage slit are provided, described a plurality of passage slit limit one first shared contact point or the intersection point on the first surfaces, and directly upwards stretch out from the contact point of first surface.For example, three slits can be set or four slits can be set, above-mentioned three slits extend diametrically from contact point, and above-mentioned four slit arrangements form cross.On opposing second surface, slit preferably limits one second shared contact point, and each slit is preferably short significantly at the first surface place at second surface place ratio.Preferably, the length of each slit of second surface place be at the most that slit at 1/10 of first surface director degree, more preferably at the most 1/20.In an ideal embodiment, each slit extends a length and approaches zero at the second surface place, so meets in their points on second surface, and described point preferably is arranged in the central authorities on surface.
Insert a conduit or mounting system for the ease of passing closure member, one of them of first and second end surfaces can have a concave as at least a portion of second end surfaces preferably.
When being installed in the adapter, second end surfaces is preferably oriented to face the near-end of adapter.
Another object of the present invention is to provide a kind of effective seal between passage of adapter and outside atmosphere, especially in a kind of sealing of adapter proximal end, and can be used for simultaneously being easy to insert a conduit or mounting system by closure member.Therefore, closure member plane can sectional proximal end face of master of butt connector.Be desirable to provide a kind of closure member, described closure member is included in the positiver sealing at adapter master segmented peripheral place.Adapter can comprise a vertical upwardly extending main segmentation, and described main segmentation has the penetrating via of a vertical upwardly extending band valve in the proximal end of adapter.Closure member can comprise a closure member, a main sectional proximal end surface of plane butt joint of described closure member, one of them of above-mentioned plane and end surfaces has a projection, and described projection is used for engaging a corresponding pit that is arranged among plane/end surfaces another.Should be appreciated that, and compare that projection and pit provide another kind of sealing by traditional sealing that faced washer provided.In a preferred embodiment, closure member is made with a kind of resilient material, and described resilient material is suitable for being out of shape in projection/pit areas when the plane of enclosed elastic spare offsets relative to each other with main sectional end surfaces.Therefore, provide a kind of liquid-tight sealing in the neighboring of its proximal end passage, preferably, therefore the angle that projection and indentation extend over are 360 ° is effective along main sectional whole end surfaces sealing.Projection and pit preferably extend along the peripheral part such as closure member.Projection can form the integral part of closure member, and it can extend along that the surperficial peripheral part in the face of the connector end surface.Preferably, projection in a longitudinal direction, that is extend on the plane of crossing its end surfaces.Projection can be taper, so it is wideer than its far-end in its proximal end.Closure member can limit a core segmentation, and described core segmentation is assembled in the interior vertical passage of adapter.The core segmentation can be taper, so its diameter is big at its far-end at its proximal end ratio.
As mentioned above, closure member can be included in the adapter, and described adapter is included in the vertical upwardly extending main segmentation that its proximal end has a valve, and above-mentioned valve has an open mode and a closure state, when above-mentioned open mode, an elongate members can be inserted in the passage.Passing apparatus of adapter insertion, support such as a conduit or an application medicine, and before inserting in the biological vascular system, operator such as doctor should guarantee that valve opens suitably, because otherwise the outer surface of conduit or support has the danger of each parts of scraping valve, the surperficial damaged of apparatus consequently, the medicine that perhaps is arranged on the accurate quantification on the support of application medicine is suffered a loss.Yet if external environment condition is arranged as the especially influence of mental pressure, operator before attempting by valve insertion apparatus, can not determine that valve is to be in open mode sometimes.After attempting with the valve insertion of apparatus by closure, operator always can not recognized the damage that medicine has been swiped and broken away from support or the surface of apparatus is produced reality, and he may for example add in patient's the blood vessel with apparatus in damaged condition or with the upward wrong drug dose in its surface after suitably opening valve now.This mode may seriously endanger patient's health, and usually causes the extra treatment of needs and prolong patient's hospital stays.Therefore, be desirable to provide a kind of mechanism and be used to reduce the danger that the apparatus that makes the valve for the treatment of by adapter insert vascular system damages.Like this, valve preferably is arranged in the proximal end of adapter, described valve can have an open mode and a closure state, an elongate members can be inserted in the passage when above-mentioned open mode, and above-mentioned valve comprises an indicator that is used for the indicator valve state.Indicator can provide feedback in a kind of optics and/or the sense of touch to operator, so operator is by watching or by touching the state that valve can be easy to determine valve.
In a preferred embodiment, valve comprises a valve opening machine, and described valve opening machine can move along the sectional outer surface of adapter master in the vertical, so the state of valve can change by valve opening machine is moved with respect to main segmentation.Valve opening machine, perhaps under other embodiment situation, other movably mechanism advantageously can be arranged in indicator near, above-mentioned indicator can comprise optical facilities, described optical facilities are used to be provided at the optical appearance of at least a portion adapter under the open mode, and described optical appearance is different in the optical appearance under the closure state with that part of adapter.For example, valve can comprise an elastomeric closure member, as silicone member, above-mentioned elastomeric closure member is arranged to the near-end at the closure state lower seal adapter of valve, valve opening machine comprises a puncture member, described puncture member and above-mentioned passage coaxial-type are extended, and at least a portion is in the inside of described passage.Puncture member can be like this with respect to the elastomeric closure member arrangement, so that it passes closure member under the open mode of valve.This embodiment of valve is suitable for the embodiment of valve opening machine fully, described valve opening machine comprises a transparent part and an opaque section, and wherein the main segmentation of adapter comprises a colored segmentation in its proximal end, when valve is in open mode, above-mentioned colored segmentation is covered by the opaque section of valve opening machine, and when valve was in closure state, above-mentioned colored segmentation can be seen by transparent part.Like this, when valve was in closure state, colored segmentation can be clear that by operator, and when valve was in open mode, colored segmentation was covered fully.Therefore, at the valve place superficial and fast the quick glance just can make operator can determine the state of valve.Preferably, the proximal end face of valve opening machine is opaque, so operator do not pass proximal end face and do not see colored sectional danger under the sort of state, and colored segmentation is covered under above-mentioned state.
Although be not preferred, but can being provided with one, so-called ' Touhy Boust ' valve is as haemostatic valve, it is above-mentioned that ' Touhy Boust ' valve itself is known, and it comprises a kind of elastica with opening, conduit passes above-mentioned elastica and extends, and closed around the periphery of conduit by lid of rotation.Yet from viewpoint easy to use, ' Touhy Borst ' design has a shortcoming to be, it requires conductor syringe needle or pipeline separately to open film by valve, so that can not have to insert a conduit or support under the situation about damaging.Therefore, because insert and the attention and the position of needs maintenance support on air bag of common rubbing action when using intravascular stent (comprising gasbag-type expandable stent and self-expanding stent) to cause apparatus, so so-called puncture valves becomes more popular by valve.The example of this class puncture valves is the valve of those described in some preferred embodiments of the invention in this article, in U.S. Patent No. 5,195, and disclosed valve and in U.S. Patent No. 5,176 in 980, illustrated valve in 652.
Comprise some embodiment that are used for adapter is connected to the adapter of the side arm on the arm, that is so-called ' Y-connection ' embodiment, according to the present invention, can be included in the tool set, described tool set comprises that also one is used for the side arm tube of side arm and may comprises a piston.
Some embodiment of adapter of the present invention can have a main segmentation, described main segmentation is with the parts manufacturing of two common extensions that separate, the interconnection mutually or joint of the parts of described two common extensions that separate, two parts are preferably used a kind of plastic material manufacturing.When interconnection, two parts should be able to bear certain pressure in a vertical passage, and as injection pressure, above-mentioned vertical passage extends in the inside of two parts, and is limited by the inner surface of above-mentioned two parts.Have now found that, between this parts that separate of adapter, be difficult to make interconnecting of being glued sometimes,, bear certain pressure so that the adapter of finishing is sure because can not very accurately control process for making.Therefore, be desirable to provide a kind of adapter that is used for haemostatic valve assembly, above-mentioned adapter does not rely on glue as two interconnective single or main means of parts, and guarantees a kind of uncomplicated relatively and low process for making of expense simultaneously.
The vertical upwardly extending main segmentation of adapter can be by a proximal part and a distal part manufacturing.Each can limit a vertical upwardly extending penetrating via main sectional distal part and proximal part.Adapter can also comprise and is used to provide the bindiny mechanism that connects between proximal part and the distal part, thereby, when interconnection, distal part and proximal part are extended in a longitudinal direction jointly, bindiny mechanism comprises an extension, one of them of described extension and above-mentioned parts becomes integral body, and is suitable for engaging in the above-mentioned parts another recessed portion, therefore two parts interfixed in a longitudinal direction.Like this, because between proximal part and the distal part is mechanical connection basically, so adapter can be used for bearing the internal pressure of a regulation, the internal pressure of afore mentioned rules can accurately be calculated according to the size of the material technology specification of making two parts and each parts.Except being arranged on the mechanical mechanism that interconnects the place, interconnect and to strengthen with glue, but in a preferred embodiment of the invention, adapter mucilage binding of no use being joined.Preferably, will be interconnected to form into a kind of latch-type connects, such as a kind of automatic fixed springlock.In a preferred embodiment of the invention, extension is a kind of agnail part that has.Have the agnail part for example can be provided as the part of the neighboring of first parts in two parts, its size makes it can surround the end of second parts in two parts at least in part.Therefore the part of surrounding can have the agnail part can engage the above-mentioned flange or the collar such as partly locating to provide a kind of flange or a kind of collar in its minor diameter segmentation with than the transformation between the major diameter segmentation.There is the agnail part preferably to comprise some agnails of arranging along first parts periphery.Can slide on second parts for the agnail part of having that makes first parts, it can be flexible in the radial direction that the agnail part is arranged, and does not preferably have in a longitudinal direction or be less flexible at least.This footpath flexible can the generation by vertical upwardly extending slit that make progress, described slit is arranged in the end of first parts.In one embodiment of the invention, an end of distal part is suitable for receiving an end of proximal part, barbed part is arranged on the proximal end place of distal part, recessed portion comprises a collar portion that is arranged on the proximal part outer surface, such as a sharp edge collar portion.In further embodiments, have the agnail part can be arranged on the place, end of proximal part, the end of described proximal part can receive an end of distal part.
In order to prevent that blood and/or other liquid from flowing out adapter at the place of interconnecting, can be provided with sealing mechanism at the place of interconnecting.This sealing mechanism can comprise a kind of resilient member, as a kind of O shape circle, when proximal part and distal part interconnect, above-mentioned resilient member for example is clamped between two parts like this, so that centering on the external collar of the parts in the inside in two parts, it partly assembles, and tight closure said external collar portion, reach the collar portion inside, the inside that it is assemblied in the parts in outside in two parts, and the above-mentioned the inside of tight closure collar portion.
Interconnecting can be like this, be that distal part and proximal part can rotate relative to one another around an axis that extends in a longitudinal direction, such as, if two parts one of them or the two have the screw thread that threaded portion is used to engage a respective members such as guiding catheter, then this rotation is desirable.In a preferred embodiment of the invention, distal part constitutes a kind of rotatable Luer, does not therefore need to make Luer as independent parts.First has screw thread or slotted part can be arranged on an outside of distal part and may be on the wall of taper, and second has threaded portion can be arranged on the inner surface of distal part.Under latter event, when present dynasty sees in the radial direction, there is threaded portion can be arranged between the outer wall of an annular wall of distal part and a circumference, above-mentioned annular wall is around the vertical upwardly extending passage that passes adapter.
Adapter can be a kind of Y-connection, and described Y-connection has a side arm, so that provide and being connected an of arm, above-mentioned arm is used for pressure monitoring, contrast medium injection and/or normal saline washing.Side arm can be arranged to and receive a kind of pipeline, and described pipeline makes side arm and a piston, and the stop,threeway as a kind of standard interconnects.The distal part of adapter and proximal part can be by a kind of plastic material manufacturings of injection moulding.
Generally, some embodiment of adapter of the present invention can be used for assembling various supports, comprising, but be not limited to, Strecker support, Palmaz support, Wallstents, self-expanding formula Nitinol support are as Bard Luminex support, Symphohy support, Smart support and AVE SE support, Perflex support, AVE support, Intrastents, Instents, Herculink and Dynalink.Equally, adapter of the present invention can be used for assembling various conduits, comprising, but be not limited to Mainz balloon catheter, Monorail balloon catheter, PCTA (percutaneous transcoronary angioplasty) conduit, and ultrasound catheter.
Brief description
Further specify above-mentioned each side of the present invention now with reference to accompanying drawing, wherein:
Fig. 1 illustrates the longitudinal sectional view according to a kind of adapter of the present invention,
Fig. 2 illustrates the connector component decomposition side view and a relevant piston of Fig. 1,
Fig. 3 illustrates the longitudinal sectional view that is included in a valve in Fig. 1 and 2 adapter, and valve is in closure state,
The valve that Fig. 4 illustrates Fig. 3 is in open mode,
Fig. 5 illustrates adapter has a pit in its end surfaces main segmentation, is used to be provided at the sealing of extending on the circumference of adapter proximal end,
Fig. 6 illustrates a kind of closure member end-view that is used to be installed in Fig. 5 adapter proximal end,
Fig. 7 illustrates the cutaway view of the embodiment of closure member of Fig. 6,
Fig. 8 illustrates the alternative embodiment cutaway view of closure member of Fig. 6,
Fig. 9 illustrates the valve cutaway view of Fig. 3 and 4, comprises the indicator that is used for the indicator valve state,
Figure 10 illustrates the colored member longitudinal sectional view in the valve indicator that is included in Fig. 9,
Figure 11 illustrates according to the adapter second embodiment side view of the present invention,
Figure 12 illustrates according to adapter the 3rd embodiment side view of the present invention,
Figure 13 illustrates the valve opening machine among Figure 11 and 12 embodiment,
Figure 14 illustrates Fig. 1, interconnective longitudinal sectional view between 2,11 and 12 adapter proximal part and the distal part,
Figure 15 illustrates the longitudinal sectional view of Figure 14 distal part,
Figure 16 illustrates the perspective view of Figure 15 proximal part.
The detailed description of accompanying drawing
Understandable as the explanation from the following preferred embodiment of the present invention, all above-mentioned aspects of the present invention all comprise in one embodiment.
As shown in figs. 1 and 2, a kind of Y-connection 100 comprises a proximal part 102 and a distal part 104, above-mentioned proximal part 102 and distal part 104 are extended in a longitudinal direction jointly, and assemble with end to end mode, simultaneously the distal end 106 of proximal part 102 is put into the proximal end 108 of distal part 104.Distal part 104 forms a kind of rotary thick head and revolves a mouthful lock, described thick head revolve a mouthful lockset have one first externally grooved or threaded portion 109 and one second internal whorl part 111 arranged.In each of proximal part and distal part, be provided with a vertical upwardly extending penetrating via 110 and 112 respectively.When assembling, proximal part and distal part limit a main segmentation 114 together.Between proximal part and distal part, interconnect the place, distal part limits an extension 116, preferably a kind of barbed part, upwards inwardly stretch out in above-mentioned extension 116 footpaths, an and recessed portion 118 of joint proximal part 102, the female is partly got a kind of collar shape, and above-mentioned collar portion is partly limited by the transformation of proximal part external diameter.Interconnect and to further specify with reference to Fig. 7-9 below.Extension 116 is shaped, so that provide distal part 104 snap locks on proximal part 102.When assembling, proximal part and distal part will be clamped in an O shape circle between them, and described O shape circle is arranged on segmentation place that broadens of segmentation place that diameter reduces of proximal part and corresponding diameter of distal part inner surface.Side arm 122 is provided for adapter 100 is connected on the arm (not shown), and described arm is used for pressure monitoring, contrast medium injection and/or normal saline washing.As shown in Figure 2, the connection from side arm 122 to arm can provide by a piston 124 and a side arm tube 126.
The adapter 100 of Fig. 1 comprises in its proximal end: a valve 128, and described valve 128 comprises an elastomeric closure member 130; A valve opening machine 132; With a puncture member 134, described puncture member 134 is shaped, so that an elongated passway is provided, described elongated passway is under valve closure state as shown in Figure 3, make the near-end of closure member energy seal channel 110, and under the open mode of valve, as shown in Figure 4, puncture member is passed elastomeric closure member 130, so that make a conduit or a support (not shown) can pass valve.Puncture member 134 is shown in Fig. 3 and 4, become integral body with valve opening machine 132, above-mentioned valve opening machine 132 can be in the vertical along the outer surface displacement of proximal part 102, indicated as arrow among Fig. 1 138, so that when the proximal most position of valve opening machine, valve is in closure state, as shown in Figure 3, and when the highest distance position of valve opening machine, valve is in open mode, as shown in Figure 4.The indicator that is used for the indicator valve state comprises a colored member 136, sees Fig. 2.
Further specify some embodiments of the present invention now with reference to Fig. 5-8.The element that anywhere relates in this manual all uses identical label to represent in relating to the scope of same parts.Yet, should be appreciated that although use identical label, structural difference may exist.
Fig. 9 illustrates the cutaway view of valve in Fig. 3 and 4, comprises an indicator that is used for the indicator valve state.Indicator comprises a colored member 136, can be yellow or any other high saturation color such as its color.The nearest segmentation 140 of valve opening machine 132 is opaque, and the distal part 142 of valve opening machine is transparent.Therefore, when valve was in as shown in Figure 9 closure state, colored member 136 can be seen by transparent part.Yet, when valve is in open mode, that is when valve opening machine 132 moves on to position shown in Figure 4, the colored member 136 of opaque segmentation 140 stacks of valve opening machine, colored then member 136 makes operator can't see basically.For example, if colored member 136 has a kind of high saturated yellow, then when valve is in its closure state, operator will can see immediately, thereby clearly illustrates that, do not attempt to pass valve and inserts a conduit or a mounting system, and when valve is in its open mode, to not have yellow to see, thereby clearly illustrate that, conduit or mounting system can be passed through valve safely.Should be appreciated that valve alternatively can design like this, colored member can be seen when being in its open mode with convenient valve, and can't see when being in closure state.
Figure 11-13 illustrates 133 1 alternative embodiment of valve opening machine, represents with identical label with components identical shown in above-mentioned Fig. 1-10.Yet, should be appreciated that although in fact use identical label, the difference of structure may exist.The adapter 100 of Figure 11-13 comprises an opaque valve opening machine 133, and described opaque valve opening machine 133 has segmentation 135 transparent or that cut.A colored member (not shown) and above-mentioned Fig. 2 are set, and the colored member 136 in 9 and 10 is similar or identical.When valve opening machine is in its distal position, that is when valve was opened, colored member can be seen by segmentation 135 transparent or that cut.Under the closure state of valve, that is when valve opening machine 133 was in its proximal position, colored member be can't see.Preferably, proximal end face 137 is opaque, and therefore colored member can not be seen by end surfaces.Therefore in some alternative embodiment, segmentation 135 also is opaque, and the medial section 139 of valve 133 can be transparent, and colored member all can be seen under the open mode of valve or closure state.In also having another alternative embodiment, segmentation 135 can be transparent or cut, and medial section 139 also is transparent.Figure 12 illustrates a kind of not with the adapter 101 of side arm.
Interconnecting between distal part and proximal part 102 and 104 is respectively based on as above with reference to interconnecting identical principle between Fig. 9 and 10 described and colored members 136 and the proximal part 102.Therefore, as shown in Figure 14 and 15, proximal part 104 has one agnail part 116 is arranged, the described collar 118 that has agnail part 116 to engage portions of proximal 102.An annular space 150 can be for O shape circle usefulness, and described O shape circle is not shown in Figure 15 and 16, but represents with label among Fig. 1 120.Distal part 104 illustrates separately in Figure 15 and 16, also obviously can find out from Figure 15 and Figure 16, the proximal end of distal part comprises some agnail parts 116 that have, respectively there is agnail part 116 to arrange along the periphery of distal part 104, and between them, has slit 148, above-mentioned each slit provides a kind of radial flexibility, the described flexible collar 118 that makes second parts 104 that have agnail part 116 can engage proximal part 102 with the snap lock mode.
Above-mentioned operation with reference to the described adapter 100 of accompanying drawing is as follows:
1. an arm (not shown) is attached on the side arm 122 of adapter.
2. the far-end with adapter is connected on the near-end of guiding catheter (not shown).
With the normal saline washing adapter so that remove bubble.The flushing of valve is to carry out when valve is shown in an open position.
4. a pressure/input apparatus (not shown) is attached on the arm.For avoiding sucking air, should guarantee that all connections are all firm.
5. the insertion guiding catheter is followed the guiding catheter of being recommended by guiding catheter manufacturing firm usually simultaneously and is inserted operation.
6. a seal wire (not shown) or seal wire and a dilating catheter (not shown) are inserted in the adapter.When only inserting seal wire, use and use a wire guide to insert the instrument (not shown), so that the top of protection seal wire.Can under the situation of not opening valve, insert a PTCT dilating catheter separately.Yet to any apparatus greater than dilating catheter, as support, ultrasound catheter etc., valve all should be opened with valve opening machine 132.
7. follow then by the designed any operation of conduit or support manufacturing firm.
The size of 100 1 preferred embodiments of adapter and other specification are as follows:
The internal diameter of narrow part: 2.4mm-9.0mm.
Be inserted into the maximum gauge of apparatus: 2.33mm-8.0mm.
Be inserted into the minimum diameter of apparatus: 0.17mm-1.10mm.
The maximum pressure resistance of PTCA conduit and seal wire: 8Atm or at 1atm under the skin grafting dermepenthesis situation.
The maximum pressure resistance that does not have apparatus: 21Atm-2atm.
Metal inserts tool length: 10cm-2cm.
Metal inserts tool bore: 0.64mm-2.00mm.
First numerical value in above-mentioned interval relates to PTCA, and interval second value relates to AAA transplanting (the abdominal aortic structural transplantation of percutaneous).
Claims (15)
1. closure member, a valve (128) that is used for a kind of haemostatic valve assembly adapter (100), above-mentioned closure member comprises a closure member (130), and described closure member (130) is made with a kind of resilient material, and limit one first with one second relative end surfaces (156; 160) and at least one passage slit (164), described passage slit (164) is closed usually, and between above-mentioned two end surfaces, extend, passage slit is arranged to and runs through it by a tubular element (134) and open, simultaneously passage slit (164) have one at the first surface place than in the big scope in second surface place.
2. according to the described closure member of claim 1, comprise a plurality of passage slit (164), described a plurality of passage slit (164) goes up at first surface (156) and limits one first shared contact point (166), and upwards stretches out from contact point (166) footpath of first surface (156).
3. according to the described closure member of claim 2, it is characterized in that a plurality of passage slit (164) go up at second surface (160) and limit one second shared contact point (168).
4. according to one of them described closure member of claim 1-3, it is characterized in that at least one passage slit (164) has a length on second surface (160), described length is that passage is gone up 1/10 of length at first surface (156) at the most.
5. according to one of them described closure member of claim 1-4, it is characterized in that at least a portion first end surfaces (156) and at least a portion second end surfaces (166) limit two substantially parallel planes; And the axis that extends between the first and second shared contact points is vertical with above-mentioned two planes basically.
6. according to one of them described closure member of claim 1-5, it is characterized in that first and second end surfaces (156; 160) at least a portion of one of them (170) is a concave surface.
7. according to the described closure member of claim 6, it is characterized in that above-mentioned concave part (170) is arranged on the second surface (160).
8. require one of them described closure member according to aforesaid right, it is characterized in that, the proximal end surface (152) of a plane (156) the butt connector master segmentation (114) of closure member (130), above-mentioned plane and end surfaces (152; 156) one of them has a projection (158), and described projection (158) is used for joint and is arranged on above-mentioned plane and end surfaces (152; 156) another interior respective dimple (154) among.
9. according to the described closure member of claim 10, it is characterized in that closure member (130) is made by a kind of resilient material, above-mentioned resilient material is suitable for when above-mentioned plane and end surfaces (152; When 156) offseting relative to each other, in the zone of above-mentioned projection or pit, be out of shape.
10. according to claim 8 or 9 described closure members, it is characterized in that projection (158) becomes integral body with closure member (130).
11. an adapter (100), described adapter (100) is used for a haemostatic valve assembly, and comprises one according to one of them described closure member of claim 1-10.
12., it is characterized in that the valve (128) that has closure member is arranged near the near-end of adapter according to the described adapter of claim 11.
13., it is characterized in that the second surface of closure member (160) is orientated the near-end in the face of adapter according to the described adapter of claim 12.
14. a tool set comprises a kind of according to one of them described adapter (100) of claim 11-13 and a side arm tube (126) that is used for adapter side arm (122).
15. according to the described tool set of claim 14, also comprise a piston (124), described piston (124) is connected on the end of above-mentioned side arm tube (126).
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60/478,832 | 2003-06-17 | ||
| DKPA200300896 | 2003-06-17 | ||
| DKPA200300896 | 2003-06-17 | ||
| US60/496,910 | 2003-08-22 | ||
| DKPA200301205 | 2003-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1822878A true CN1822878A (en) | 2006-08-23 |
Family
ID=36923769
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800204107A Pending CN1822877A (en) | 2003-06-17 | 2004-06-17 | Haemostatic valve assembly with indicator |
| CNA2004800203602A Pending CN1822876A (en) | 2003-06-17 | 2004-06-17 | Closure for engaging a surface of a haemostatic valve assembly |
| CNA2004800204111A Pending CN1822878A (en) | 2003-06-17 | 2004-06-17 | Closure with passage slit for a haemostatic valve assembly |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800204107A Pending CN1822877A (en) | 2003-06-17 | 2004-06-17 | Haemostatic valve assembly with indicator |
| CNA2004800203602A Pending CN1822876A (en) | 2003-06-17 | 2004-06-17 | Closure for engaging a surface of a haemostatic valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN1822877A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2600151T3 (en) * | 2013-03-15 | 2017-02-07 | Bolton Medical Inc. | Hemostatic valve and dispensing systems |
| CN114870204A (en) * | 2013-10-15 | 2022-08-09 | 科林达斯公司 | Guide catheter control flexible track |
| DE102013018639A1 (en) * | 2013-11-06 | 2014-07-24 | Fresenius Medical Care Deutschland Gmbh | Connector for connecting bag and hose system for providing e.g. medical solution during extraporal blood treatment for patient, has cone only opening sealing element when projection of one part is inserted in retainer of other part |
| US9839774B2 (en) * | 2013-11-18 | 2017-12-12 | Halkey-Roberts Corporation | Medical luer connector |
| EP3595764A1 (en) * | 2017-03-13 | 2020-01-22 | Boston Scientific Limited | Hemostasis valves and methods for making and using hemostasis valves |
| US10737086B2 (en) * | 2017-03-13 | 2020-08-11 | Boston Scientific Limited | Hemostasis valves and methods for making and using hemostasis valves |
| CN107096117A (en) * | 2017-04-24 | 2017-08-29 | 沙俊诚 | One kind is used to intervene the two-way radiography three-way device of operation |
-
2004
- 2004-06-17 CN CNA2004800204107A patent/CN1822877A/en active Pending
- 2004-06-17 CN CNA2004800203602A patent/CN1822876A/en active Pending
- 2004-06-17 CN CNA2004800204111A patent/CN1822878A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN1822876A (en) | 2006-08-23 |
| CN1822877A (en) | 2006-08-23 |
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