CN205019201U - Artificial heart valve conveyor's inner tube moving mechanism - Google Patents
Artificial heart valve conveyor's inner tube moving mechanism Download PDFInfo
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- CN205019201U CN205019201U CN201520543991.8U CN201520543991U CN205019201U CN 205019201 U CN205019201 U CN 205019201U CN 201520543991 U CN201520543991 U CN 201520543991U CN 205019201 U CN205019201 U CN 205019201U
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- interior pipe
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- outer tube
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Abstract
The utility model discloses an artificial heart valve conveyor's inner tube moving mechanism belongs to the medical instrument field. Carry out the piece including release control spare, inner tube mounting and removal, remove and carry out through inner tube mounting fixed connection between piece and the inner tube, release control spare sets up on the conveyor handle, and is steerable the inner tube mounting switches between locked state and active state, works as when the inner tube mounting is in the active state, through removing it can drive the inner tube removal to remove the execution piece. This inner tube moving mechanism, simple structure, design benefit, easy operation can realize operating quick accurate removal of inner tube.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of Nei Guan travel mechanism of artificial heart valve film conveying device.
Background technology
Heart is the very important organ of human body, for blood circulation of human body provides power, heart is divided into left and right two parts, every part comprises a ventricle and atrium, separated by interventricular septum and interatrial septum between ventricle and ventricle and between atrium and atrium, there is the valve preventing blood reflux between room, room, tremulous pulse.Valve wherein between left atrium and left ventricle is Bicuspid valve, and the valve between right atrium and right ventricle is Tricuspid valve, and the valve between left ventricle and large artery trunks is aortic valve, and the valve between right ventricle and pulmonary artery is valve of pulmonary trunk.
Above-mentioned valve can along with the contraction of heart and the corresponding open and close of diastole, and therefore the valve of heart must bear the extruding of blood and surrounding lobe ring and washing away of blood for a long time.If because disease or other reason cause valve to close completely or to open insufficient, then backflowing and supply of blood flow deficiency of blood will be caused.Such as: valvular stenosis causes the smooth or incompetence of blood circulation to cause cardiac blood supply deficiency, thus greatly increase the weight of the burden of heart, cause cardiac failure, for this type of valvular heart disease, traditional therapy is out cardiac arrest after breast, under cryotron circulatory support, opens heart and carries out the surgical repair of valve or the displacement of artificial valve, make recovering beat of heart again after having performed the operation, complete subsequent operation.Surgery prosthetic valve replacement operation wound is large, and the recovery time of patient is long, therefore to gerontal patient often because of advanced age, body constitution is weak, pathological changes is heavy or merging Other diseases and avoid performing the operation.
Min. traumatic surgery technology is at development, wherein, Cardiac valve prosthesis can adopt conduit to introduce in patient body, namely cardiac valve is placed by Wicresoft's intervene operation, operation is without the need to opening breast, thus wound is little, post-operative recovery fast, for the valvular stenosis patient that those current conventional therapy means can not extend its life or alleviate its misery, provides a kind of new solution.At present, be all rely on certain conveyer device that insertion type artificial cardiac valve is transported to predetermined position to discharge usually in process insertion type artificial cardiac valve implanted.But existing conveyer device is not still well positioned to meet application requirement, especially between conveyer device and Cardiac valve prosthesis there is function singleness in bindiny mechanism usually, the stability be connected with valve and the accuracy of release not high, the deficiency such as to connect and releasing operation is more complicated, and dispose procedure is single, if support just finds that inaccurate being difficult in position adjusts after launching.
Utility model content
For the problems referred to above, we have proposed a kind of new artificial heart valve film conveying device, move by the cooperation of inner and outer pipes the stable connection that realizes Cardiac valve prosthesis and quick and precisely discharge, this utility model aim to provide a kind of on conveyer device handle internal pipe carry out the mechanism of movement.
The purpose of this utility model is realized by following technical proposals:
A kind of Nei Guan travel mechanism of artificial heart valve film conveying device, comprise release control part, interior pipe fixture and mobile executive item, described mobile executive item is fixedly connected with by interior pipe fixture with between interior pipe, described release control part is arranged on conveyer device handle, described interior pipe fixture can be controlled switch between locking state and active state, when described interior pipe fixture is in active state, interior pipe can be driven to move by mobile described mobile executive item.Described locking state refers to that described interior pipe fixture can not move axially relative to device handle, and described active state refers to that described interior pipe fixture can move axially relative to device handle.
Alternately, in above-mentioned Nei Guan travel mechanism, described release control part is provided with snap ring, described interior pipe fixture is provided with the draw-in groove matched with described snap ring, described release control part is arranged on conveyer device handle by elastic connecting device, described release control part radially can do relative to handle and move among a small circle under the effect of elastic connecting device, but can not move axially relative to handle, described interior pipe fixture is enclosed within described snap ring, described snap ring snaps in described draw-in groove makes described interior pipe fixture be in locking state, by pressing described release control part, described snap ring is deviate from from draw-in groove, thus make described interior pipe fixture be in active state.As optional, described handle outer wall is provided with slit, described snap ring extend into described handle inner through described slit.
Alternately, in above-mentioned Nei Guan travel mechanism, described elastic connecting device comprises the thin slice with own elasticity and two support members be arranged on handle outer wall that are separately positioned in described release control part two opposing sidewalls, described release control part is between two support members, stretch into (passing through slit) described handle inner from described handle outer wall, described thin slice is positioned on two support members respectively.
Alternately, in above-mentioned Nei Guan travel mechanism, the handle of described conveyer device be divided into hold end and outer tube move control section, hold on end described in described release control part is arranged on, described interior pipe fixture far-end moves control section with outer tube and is fixedly connected with, and described outer tube moves control section simultaneously as described mobile executive item.
Alternately, in above-mentioned Nei Guan travel mechanism, described to hold end endoporus be stepped hole, and described interior pipe fixture outer wall is provided with the annular boss matched with described stepped hole, coordinates the displacement that can limit interior pipe by described annular boss and described stepped hole.
Alternately, in above-mentioned Nei Guan travel mechanism, described holding on end inwall is provided with the groove of certain length vertically, described interior pipe fixture outer wall is provided with the ridge with described fit depressions, described ridge can slide axially in described groove, and described ridge and groove fit can limit the rotation of interior pipe fixture.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture outer wall is provided with seal groove, in described seal groove, is provided with sealing ring, for sealing the gap that may exist between described interior pipe fixture outer wall and handle inwall.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture outer wall is also provided with wedge-shaped projection (buckle), described holding on end inwall is provided with the groove (block button hole) matched with described wedge-shaped projection, can prevent from moving vertically relative to outer tube fixture outside outer tube sealing sheath with coordinating of block button hole by buckle.Further, described buckle both sides are provided with hole slot, make described buckle have better elasticity, are convenient to fill in handle casing and snap in block button hole when installing.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture outer wall is also provided with cross recess, and be fixedly connected with for moving control section with described outer tube, described outer tube moves cross projection control section inwall being provided with and matching with described cross recess.Described cross recess and cross protrusions match with Nei Guan travel mechanism described in limit and interior pipe fixture in the relative movement of axial and circumferential, can arrive the effect be fixedly connected with.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture is sleeved on described interior pipe near-end, and mutually bonds with described interior pipe.Both ensure that being fixedly connected with of interior pipe fixture and interior pipe near-end by bonding, in turn ensure that seal between the two.
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
The beneficial effects of the utility model:
Nei Guan travel mechanism described in the utility model, structure is simple, designs ingenious, simple to operate, can realize the quick and precisely mobile operation of internal pipe.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of artificial heart valve film conveying device described in embodiment 2;
Fig. 2 is the structural representation of the valve bindiny mechanism in artificial heart valve film conveying device described in embodiment 2;
The schematic diagram of the connection status that Fig. 3 is the valve bindiny mechanism described in embodiment 2 and valve bracket;
Fig. 4 is the claw structure schematic diagram of the valve bindiny mechanism described in embodiment 2;
Fig. 5 is the structural representation of the outer tube travel mechanism described in embodiment 2;
Fig. 6 is the structural representation of the threaded engagement part described in embodiment 2;
What Fig. 7 was the corrugated tubing described in embodiment 2 and outer tube fixture coordinates schematic diagram;
Fig. 8 is the structural representation of the Nei Guan travel mechanism described in embodiment 2;
Fig. 9 is the perspective structure schematic diagram under the outer tube described in embodiment 2 and tapered head fits state.
Reference numeral: 1 is hands handle, 2 is outer tube travel mechanism, 3 is Nei Guan travel mechanism, 4 is valve bindiny mechanism, 5 is tinsel or metal bar, 6 is tinsel or metal fixing, 7 is conical nose, 71 is wire leading pipe, 72 is evacuation groove, 8 is female Luer, 9 is prosthetic heart valve holder, 11 is distal end connector, 12 hold end for handle, 121 is slit, 122 support members, 21 is outer tube, 22 is corrugated tubing, 23 is rotary connector, 24 is outer tube fixture, 241 is outer tube hold-doun nut, 242 is outer tube sealing ring, 243 is outer tube sealing sheath, 244 is cannelure, 245 is water injection hole, 246 is limited post, 25 is longitudinal slot, 26 is fin, 27 is threaded engagement part, 271 is spring, 272 is spring control button, 273 is U-shaped push-and-pull deadlocking member, 274 is tooth engaged, 31 is interior pipe, 32 is release control part, 321 is snap ring, 322 is thin slice, 33 is interior pipe fixture, 331 is annular boss, 332 is axial ridge, 41 is fixed claw or fixed leg, 42 is fixed claw or fixed leg trocar sheath, 43 is locating slot.
Detailed description of the invention
By the following examples this utility model is specifically described; what be necessary to herein means out is that the present embodiment is only for being further described this utility model; but can not be interpreted as the restriction to this utility model protection domain, the person skilled in the art in this field can make improvement and the adjustment of some non-intrinsically safes to this utility model according to above-mentioned content of the present utility model.
embodiment 1
A kind of Nei Guan travel mechanism of artificial heart valve film conveying device, comprise release control part, interior pipe fixture and mobile executive item, described mobile executive item is fixedly connected with by interior pipe fixture with between interior pipe, described release control part is arranged on conveyer device handle, described interior pipe fixture can be controlled switch between locking state and active state, when described interior pipe fixture is in active state, interior pipe can be driven to move by mobile described mobile executive item.Described locking state refers to that described interior pipe fixture can not move axially relative to device handle, and described active state refers to that described interior pipe fixture can move axially relative to device handle.
Alternately, in above-mentioned Nei Guan travel mechanism, described release control part is provided with snap ring, described interior pipe fixture is provided with the draw-in groove matched with described snap ring, described release control part is arranged on conveyer device handle by elastic connecting device, described release control part radially can do relative to handle and move among a small circle under the effect of elastic connecting device, but can not move axially relative to handle, described interior pipe fixture is enclosed within described snap ring, described snap ring snaps in described draw-in groove makes described interior pipe fixture be in locking state, by pressing described release control part, described snap ring is deviate from from draw-in groove, thus make described interior pipe fixture be in active state.As optional, described handle outer wall is provided with slit, described snap ring extend into described handle inner through described slit.
Alternately, in above-mentioned Nei Guan travel mechanism, described elastic connecting device comprises the thin slice with own elasticity and two support members be arranged on handle outer wall that are separately positioned in described release control part two opposing sidewalls, described release control part is between two support members, stretch into (passing through slit) described handle inner from described handle outer wall, described thin slice is positioned on two support members respectively.
Alternately, in above-mentioned Nei Guan travel mechanism, the handle of described conveyer device be divided into hold end and outer tube move control section, hold on end described in described release control part is arranged on, described interior pipe fixture far-end moves control section with outer tube and is fixedly connected with, and described outer tube moves control section simultaneously as described mobile executive item.
Alternately, in above-mentioned Nei Guan travel mechanism, described to hold end endoporus be stepped hole, and described interior pipe fixture outer wall is provided with the annular boss matched with described stepped hole, coordinates the displacement that can limit interior pipe by described annular boss and described stepped hole.
Alternately, in above-mentioned Nei Guan travel mechanism, described holding on end inwall is provided with the groove of certain length vertically, described interior pipe fixture outer wall is provided with the ridge with described fit depressions, described ridge can slide axially in described groove, and described ridge and groove fit can limit the rotation of interior pipe fixture.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture outer wall is provided with seal groove, in described seal groove, is provided with sealing ring, for sealing the gap that may exist between described interior pipe fixture outer wall and handle inwall.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture outer wall is also provided with wedge-shaped projection (buckle), described holding on end inwall is provided with the groove (block button hole) matched with described wedge-shaped projection, can prevent from moving vertically relative to outer tube fixture outside outer tube sealing sheath with coordinating of block button hole by buckle.Further, described buckle both sides are provided with hole slot, make described buckle have better elasticity, are convenient to fill in handle casing and snap in block button hole when installing.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture outer wall is also provided with cross recess, and be fixedly connected with for moving control section with described outer tube, described outer tube moves cross projection control section inwall being provided with and matching with described cross recess.Described cross recess and cross protrusions match with Nei Guan travel mechanism described in limit and interior pipe fixture in the relative movement of axial and circumferential, can arrive the effect be fixedly connected with.
Alternately, in above-mentioned Nei Guan travel mechanism, described interior pipe fixture is sleeved on described interior pipe near-end, and mutually bonds with described interior pipe.Both ensure that being fixedly connected with of interior pipe fixture and interior pipe near-end by bonding, in turn ensure that seal between the two.
embodiment 2
The artificial heart valve film conveying device containing valve bindiny mechanism described in the utility model as shown in figs 1-9, comprises handle 1, outer tube 21, interior pipe 31, valve bindiny mechanism 4, conical nose 7 and wire leading pipe 71, described valve bindiny mechanism is by three independently support fixed claw 41 and three fixed claw trocar sheaths 42 being enclosed within respectively on described support fixed claw, the outer wall of support fixed claw far-end is provided with the locating slot 43 that can match with the hangers in prosthetic heart valve holder, the opening part of described locating slot 43 narrows, the minimum widith of its opening part is less than the Breadth Maximum of the carrier connector end on described Cardiac valve prosthesis, make described thus guarantee that carrier connector can not slippage from described locating slot vertically, described support fixed claw 41 is fixedly connected with tinsel fixture 6 proximally by tinsel 5, described tinsel fixture 6 is fixed on handle proximate end, described support fixed claw 41 axial distance that is relative and handle 1 near-end is remained unchanged, described fixed claw trocar sheath 42 far-end and described support fixed claw 41 matched in clearance, fixed claw trocar sheath 42 near-end is fixedly connected with interior pipe 31 far-end, described interior pipe 31 is provided with 3 axially extending bores that can pass for described tinsel 5, interior pipe 31 near-end is connected with the Nei Guan travel mechanism 3 on handle 1, described outer tube 21 far-end is sleeved on described interior pipe 31 and valve bindiny mechanism 4 is peripheral, and outer tube 21 near-end is connected with the outer tube travel mechanism 2 on handle 1, described outer tube travel mechanism 2 comprises corrugated tubing 22, rotary connector 23, outer tube fixture 24, described corrugated tubing 22 is put together by the screw thread sheet of two panels symmetry, the tube wall disappearance of one segment length of mosaic, the split face forming longitudinal slot 25(screw thread sheet after split on tube wall also can arrange alignment pin and pin-and-hole respectively), described corrugated tubing 22 outer tube surface is provided with screw thread, described outer tube fixture 24 is coaxially fixedly connected with outer tube 21, described outer tube fixture 24 outer tube surface is provided with radially outstanding fin 26, described outer tube fixture 24 is sleeved in described corrugated tubing 22 together with outer tube 21, its fin 26 stretches out corrugated tubing tube wall from described longitudinal slot 25, described rotary connector 23 is sleeved on described corrugated tubing 22 and (conveniently assembles, described rotary connector also can be designed to the two panels of mutual split), its inwall is provided with cannelure, the end of described fin 26 is positioned at described cannelure, and can slide along described cannelure, moving axially of described rotary connector 23 drives outer tube 21 to move axially by fin 26 and outer tube fixture 24, described rotary connector 23 is also fixed with threaded engagement part 27, threaded engagement part 27 comprises spring 271(can preferred stage clip), spring controls button 272 and two U-shaped push-and-pull deadlocking member 273, the hole matched with above-mentioned corrugated tubing 22 is formed after two mutual misfit of U-shaped push-and-pull deadlocking member 273, can be sleeved on described corrugated tubing 22, and be arranged in described rotary connector 23 and (fix with the relative position of rotary connector at axial and circumferential), its hole inwall is provided with the tooth engaged 274 matched with the screw thread on corrugated tubing outer wall, the spring be arranged between two U-shaped push-and-pull deadlocking member 273 makes two U-shaped push-and-pull deadlocking member 273 close to each other, the hole formed between the two diminishes, thus make tooth engaged 274 snap in described screw thread, make to be in interlocking pattern between described threaded engagement part 27 and corrugated tubing 22, described rotary connector 23 can only move axially by rotating realization on corrugated tubing 22, described spring 271 and spring control button 272 and are connected, described spring controls button 272 and exposes from the hole described rotary connector 23 shell, the state that button 272 can change spring is controlled by pressing described spring, make two U-shaped push-and-pull deadlocking member 273 mutually away from, the Kong Bian great formed between the two, thus described tooth engaged 274 is deviate from from described screw thread, disengaged position is between threaded engagement part and corrugated tubing, described rotary connector directly can move axially on corrugated tubing, described outer tube fixture 24 distal end is provided with external screw thread, described outer tube 21 proximal end external diameter becomes large, be fixedly connected with by described outer tube 21 end construction realize between outer tube with outer tube fixture removable of matching with described external screw thread and nut 241, the axially extending bore that can pass for interior pipe is also provided with in described outer tube fixture 24, outer tube sealing ring 242 and outer tube sealing sheath 243 is provided with in described axially extending bore, described outer tube sealing ring 242 is for the gap between shutoff outer wall of inner tube and outer tube fixture inwall, described outer tube sealing sheath is stuck in the draw-in groove of described outer tube fixture inwall, for locating described outer tube sealing ring, described outer tube sealing sheath outer wall is provided with the projection matched with the draw-in groove of outer tube fixture inwall, can prevent from circumferentially rotating relative to outer tube fixture outside outer tube sealing sheath.Further, described outer tube sealing sheath outer wall is provided with buckle, outer tube fixture inwall is also provided with and the above-mentioned block button hole be clasped, can prevent from moving vertically relative to outer tube fixture outside outer tube sealing sheath with coordinating of block button hole by buckle, further, described buckle both sides are provided with hole slot, make described buckle have better elasticity, are convenient to fill in outer tube fixture and snap in block button hole when installing, described outer tube fixture 24 near-end outer wall is provided with the cannelure 244 for installing damping ring, described damping ring is between described outer tube fixture outer wall and corrugated tubing inwall, damping ring and corrugated tubing inwall CONTACT WITH FRICTION, ensure to there is certain frictional resistance between outer tube fixture and corrugated tubing inwall, make rotary connector more have texture gapless when rotation or push-and-pull, described outer tube fixture 24 outer wall is provided with limited post 246, described limited post snaps in the axial displacement limiting outer tube fixture in the longitudinal slot of corrugated tubing, evacuated tube is prevented to be extruded, described outer tube fixture outer wall or proximal outer tube outer wall are also provided with water injection hole 245, described water injection hole communicates with the gap between outer tube and interior pipe, can realize emptying operation by evacuated tube to saline injection in water injection hole, described corrugated tubing 22 far-end is fixedly connected with distal end connector 11, corrugated tubing 22 near-end and handle hold end 12 and are connected, the agent structure of three kinds of formation handles, described distal end connector 11 is provided with the aperture that can pass for outer tube and is also provided with the vat that can insert for corrugated tubing 22, one section of straight trough wall is had at least in described vat, the part pipe face of described corrugated tubing 22 far-end is designed to plane, inserting in described vat to coordinate with described straight trough wall to prevent corrugated tubing 22 from rotating, described corrugated tubing and vat cell wall also can be arranged respectively buckle and block button hole to prevent corrugated tubing slippage vertically, described straight trough wall and corrugated tubing 22 far-end, described Nei Guan travel mechanism 3 comprises release control part 32, interior pipe fixture 33, interior pipe fixture 33 in a tubular form, be sleeved on described interior pipe 31 near-end, and mutually bond with described interior pipe 31, described interior pipe fixture 33 is fixedly connected with described corrugated tubing 22 near-end, (described interior pipe fixture 33 far-end outer wall is provided with cross recess, described corrugated tubing 22 near-end inwall is provided with the cross projection matched with described cross recess, described cross recess and cross protrusions match can with the relative movements at axial and circumferential of Nei Guan travel mechanism described in limit and interior pipe fixture, arrive the effect be fixedly connected with), described release control part 32 is provided with snap ring 321, described interior pipe fixture 33 is provided with the draw-in groove matched with described snap ring 321, described snap ring 321 radially stretches into handle from the handle slit 121 held end 12 outer wall and holds in the tube chamber of end 12, stop due to slit makes described release control part cannot axially move relative to holding end, described interior pipe fixture 33 penetrates vertically in described snap ring again, described snap ring 321 snaps in described draw-in groove, described interior pipe fixture 33 is made to be in locking state, cannot axially move relative to snap ring, described slit 121 both sides are fixed with support member 122 respectively, described former and later two opposing sidewalls of release control part are provided with the thin slice 322 with own elasticity, described thin slice is positioned on two support members 122 respectively, when pressing described release control part 32, described snap ring 321 moves down, deviate from from described draw-in groove, described interior pipe fixture 33 is made to be in active state, can axially move relative to described snap ring, by corrugated tubing 22 described in push-and-pull vertically can drive interior pipe fixture can in pipe axially move, the described far-end endoporus holding end 12 is stepped hole, described interior pipe fixture 33 outer wall is provided with the annular boss 331 matched with described stepped hole, the displacement that can limit interior pipe is coordinated by described annular boss and described stepped hole, as optional, described holding on end inwall is provided with the groove of certain length vertically, described interior pipe fixture outer wall is provided with the ridge 332 with described fit depressions, described ridge can slide axially in described groove, and described ridge and groove fit can limit the rotation of interior pipe fixture, described interior pipe fixture outer wall is provided with seal groove, in described seal groove, is provided with sealing ring, for sealing the gap that may exist between described interior pipe fixture outer wall and handle inwall, described interior pipe fixture outer wall is also provided with wedge-shaped projection (buckle), described holding on end inwall is provided with the groove (block button hole) matched with described wedge-shaped projection, can prevent from moving vertically relative to outer tube fixture outside outer tube sealing sheath with coordinating of block button hole by buckle, further, described buckle both sides are provided with hole slot, described buckle is made to have better elasticity, be convenient to fill in handle casing and snap in block button hole when installing, the near-end of end 12 is held described in described tinsel or metal bar fixture 6 are fixed on, described tinsel or maintain a certain distance between metal bar fixture 6 and interior pipe fixture 33 guarantee described interior pipe fixture 33 in ambulatory situations can after move a segment distance, the near-end of described tinsel or metal bar fixture 6 is connected with female Luer 8, described wire leading pipe 71 is fixedly connected in the axially extending bore of described tinsel or metal bar fixture 6, described wire leading pipe 71 runs through along axle center and whole conveyer device, seal wire can be passed from the axle center of whole conveyer device, for guiding described conveyer device, the far-end of described wire leading pipe 71 is fixedly connected with conical nose 7, valve loading area is formed between described conical nose 7 and valve bindiny mechanism 4.Further, described conical nose near-end, diameter diminishes, forming station scalariform, and when making mobile outer tube, conical nose near-end can enter in outer tube tube chamber, with distal outer tube matched in clearance.Conical nose near-end and the suitable length of fit of distal outer tube, make when carrier is crossed curved, outer tube there will not be gap.Further, described conical nose is also provided with evacuation groove 72.Further, described tinsel or metal bar fixture 6 are also provided with annular groove, the in-built upper sealing ring of annular groove.
Alternately, in above-mentioned conveyer device, described wire leading pipe 71 from conveyer device remote extension to interior pipe 31 after, be fixedly connected in the axially extending bore of interior pipe 31, no longer continue to extend to handle proximate end, part thereafter forms thread eye with through axis on tinsel or metal bar fixture 6 by being communicated with by interior pipe 31.
Alternately, in above-mentioned conveyer device, above-mentioned distal outer tube is provided with developing ring, and further described developing ring is for there being platinumiridio.
During loading, one holds distal end connector 11 or holds end 12, another hands is pinned spring and is controlled button 272 and not put and by rotary connector 23 toward post-tensioning, drive outer tube is dropped back, expose thin film and reprint district, then one be held by and hold end, and pin release control part 32 and do not put, another holds rotary connector 23 or corrugated tubing 22 or distal end connector 11 toward post-tensioning, in driving, pipe and fixed claw trocar sheath 42 are dropped back, expose the locating slot 43 of on fixed claw 42, hangers in prosthetic heart valve holder is snapped in locating slot 43, again by rotary connector 23 or corrugated tubing 22 or distal end connector 11 toward post-tensioning, in driving, pipe and fixed claw trocar sheath reach return cover locating slot 43, realize being fixedly connected with of support and conveyer device, one holds distal end connector 11 again, another hands pin spring control button 272 do not put and rotary connector 23 drawn forward, drive outer tube reach return, the step-like near-end of conical nose enters in outer tube tube chamber, what realize support enters sheath action.
During conveying, one holds distal end connector 11, another hands rotates rotary connector 23, until support releases outer tube completely, what realize support goes out sheath action, but support does not discharge completely, and (what withdraw that outer tube realizes support by the mode rotated goes out sheath action, distance easily controls, the displacement causing valve because of shake when push-and-pull operates can be avoided, simple to operate, now because fixed claw and trocar sheath thereof are all split-type design, outer to a certain degree can be produced, valve was launched before being released completely more fully at support, closer to completely release after state, also the judgement of the accuracy to off-position is more conducive to), judged the off-position of support by auxiliary facilities, if position is improper, after can again making support enter sheath outer tube reach, readjust position again, when after position suitable, then one be held by and hold end, and pin release control part 32 and do not put, another holds rotary connector 23 or corrugated tubing 22 or distal end connector 11 toward post-tensioning, in driving, pipe and fixed claw trocar sheath 42 are dropped back, and releasing bracket (throw off completely, adopts polylith fixed claw to be connected the design coordinated with tinsel by support and carrier, make fixed claw can produce to a certain degree outer when discharging, the release of valve more steadily smoothly), now, can decontrol release control part 32, another hands controls button 272 by lower spring and does not put and drawn forward (carrier returning quickly) by rotary connector 23 simultaneously, finally withdraws from carrier and completes operation.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for this utility model, and nonrestrictive; Those of ordinary skill in the art understand, and can carry out many changes in the spirit and scope that this utility model limits to it, amendment, and even equivalence is changed, but all will fall into protection domain of the present utility model.
Claims (10)
1. the Nei Guan travel mechanism of an artificial heart valve film conveying device, it is characterized in that, comprise release control part, interior pipe fixture and mobile executive item, described mobile executive item is fixedly connected with by interior pipe fixture with between interior pipe, described release control part is arranged on conveyer device handle, described interior pipe fixture can be controlled switch between locking state and active state, when described interior pipe fixture is in active state, interior pipe namely can be driven to move by mobile described mobile executive item.
2. Nei Guan travel mechanism according to claim 1, it is characterized in that, described release control part is provided with snap ring, described interior pipe fixture is provided with the draw-in groove matched with described snap ring, described release control part is arranged on conveyer device handle by elastic connecting device, described snap ring snaps in described draw-in groove makes described interior pipe fixture be in locking state, by pressing described release control part, described snap ring is deviate from from draw-in groove, thus makes described interior pipe fixture be in active state.
3. Nei Guan travel mechanism according to claim 2, it is characterized in that, described elastic connecting device comprises the thin slice with own elasticity and two support members be arranged on handle outer wall that are separately positioned in described release control part two opposing sidewalls, described release control part is between two support members, stretch into described handle inner from described handle outer wall, described thin slice is positioned on two support members respectively.
4. Nei Guan travel mechanism according to claim 1, it is characterized in that, the handle of described conveyer device be divided into hold end and outer tube move control section, hold on end described in described release control part is arranged on, described interior pipe fixture far-end moves control section with outer tube and is fixedly connected with, and described outer tube moves control section simultaneously as described mobile executive item.
5. Nei Guan travel mechanism according to claim 4, it is characterized in that, described holding holds endoporus to be stepped hole, described interior pipe fixture outer wall is provided with the annular boss matched with described stepped hole, coordinates the displacement that can limit interior pipe by described annular boss and described stepped hole.
6. Nei Guan travel mechanism according to claim 4, it is characterized in that, described holding on end inwall is provided with the groove of certain length vertically, described interior pipe fixture outer wall is provided with the ridge with described fit depressions, described ridge can slide axially in described groove, and described ridge and groove fit can limit the displacement of interior pipe.
7. Nei Guan travel mechanism according to claim 4, is characterized in that, described interior pipe fixture outer wall is provided with seal groove, is provided with sealing ring in described seal groove.
8. Nei Guan travel mechanism according to claim 4, is characterized in that, described interior pipe fixture outer wall is also provided with wedge-shaped projection, described in hold end inwall on be provided with the groove matched with described wedge-shaped projection.
9. Nei Guan travel mechanism according to claim 4, is characterized in that, described interior pipe fixture outer wall being also provided with cross recess, being fixedly connected with for moving control section with described outer tube.
10. Nei Guan travel mechanism according to claim 1, is characterized in that, described interior pipe fixture is sleeved on described interior pipe near-end, and mutually bonds with described interior pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543991.8U CN205019201U (en) | 2015-07-27 | 2015-07-27 | Artificial heart valve conveyor's inner tube moving mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543991.8U CN205019201U (en) | 2015-07-27 | 2015-07-27 | Artificial heart valve conveyor's inner tube moving mechanism |
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| CN205019201U true CN205019201U (en) | 2016-02-10 |
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| CN201520543991.8U Expired - Fee Related CN205019201U (en) | 2015-07-27 | 2015-07-27 | Artificial heart valve conveyor's inner tube moving mechanism |
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| Country | Link |
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| CN (1) | CN205019201U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085051A (en) * | 2018-08-06 | 2018-12-25 | 嘉兴中诚工程检测有限公司 | Injection type mortar strength detector |
| CN109771086A (en) * | 2019-01-31 | 2019-05-21 | 沛嘉医疗科技(苏州)有限公司 | The loading apparatus and Load System of valve |
| CN111012548A (en) * | 2019-11-22 | 2020-04-17 | 沛嘉医疗科技(苏州)有限公司 | Trans-apical mitral valve conveying device |
| CN112138230A (en) * | 2019-06-26 | 2020-12-29 | 上海微创心力医疗科技有限公司 | Catheter pump and fixing device thereof |
| CN113262080A (en) * | 2021-06-25 | 2021-08-17 | 广东脉搏医疗科技有限公司 | Prosthetic valve delivery system |
-
2015
- 2015-07-27 CN CN201520543991.8U patent/CN205019201U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085051A (en) * | 2018-08-06 | 2018-12-25 | 嘉兴中诚工程检测有限公司 | Injection type mortar strength detector |
| CN109771086A (en) * | 2019-01-31 | 2019-05-21 | 沛嘉医疗科技(苏州)有限公司 | The loading apparatus and Load System of valve |
| CN112138230A (en) * | 2019-06-26 | 2020-12-29 | 上海微创心力医疗科技有限公司 | Catheter pump and fixing device thereof |
| CN111012548A (en) * | 2019-11-22 | 2020-04-17 | 沛嘉医疗科技(苏州)有限公司 | Trans-apical mitral valve conveying device |
| CN113262080A (en) * | 2021-06-25 | 2021-08-17 | 广东脉搏医疗科技有限公司 | Prosthetic valve delivery system |
| CN113262080B (en) * | 2021-06-25 | 2023-12-22 | 广东脉搏医疗科技有限公司 | Prosthetic valve delivery system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190426 Address after: 201 203 No. 501 Newton Road, China (Shanghai) Free Trade Pilot Area, Shanghai Co-patentee after: Shanghai Niu Mai medical science and technology company limited Patentee after: Shanghai MicroPort Medical Equipment (Group) Co., Ltd. Address before: Room 301, No. 23 Lane 908 Ziping Road, Zhoupu Town, Pudong New Area, Shanghai, 201318 Patentee before: Shanghai Niu Mai medical science and technology company limited |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20190727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |