CN209107470U - Delivery apparatus and transportation system - Google Patents
Delivery apparatus and transportation system Download PDFInfo
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- CN209107470U CN209107470U CN201820575399.XU CN201820575399U CN209107470U CN 209107470 U CN209107470 U CN 209107470U CN 201820575399 U CN201820575399 U CN 201820575399U CN 209107470 U CN209107470 U CN 209107470U
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- seal
- slit
- delivery apparatus
- sheath
- delivering
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 210000004907 gland Anatomy 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 64
- 230000023597 hemostasis Effects 0.000 claims description 31
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000001356 surgical procedure Methods 0.000 abstract description 10
- 238000000465 moulding Methods 0.000 description 41
- 238000010586 diagram Methods 0.000 description 26
- 239000008280 blood Substances 0.000 description 19
- 210000004369 blood Anatomy 0.000 description 19
- 238000000034 method Methods 0.000 description 14
- 210000002216 heart Anatomy 0.000 description 10
- 239000000463 material Substances 0.000 description 10
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- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000001194 anti-hemostatic effect Effects 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000338 in vitro Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229920002614 Polyether block amide Polymers 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 3
- 210000005248 left atrial appendage Anatomy 0.000 description 3
- 238000002627 tracheal intubation Methods 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 208000024172 Cardiovascular disease Diseases 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 239000002872 contrast media Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 210000002837 heart atrium Anatomy 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000002601 radiography Methods 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 206010003658 Atrial Fibrillation Diseases 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000005189 Embolism Diseases 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000010378 Pulmonary Embolism Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 210000003157 atrial septum Anatomy 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
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- 229960002897 heparin Drugs 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model embodiment discloses a kind of delivery apparatus, and the delivery apparatus includes: delivering sheath, hollow；Sheath tube socket, it is hollow and with delivering sheath proximal end connect, the sheath tube socket be connected to the delivering sheath with formed deliver channel, the sheath tube socket includes: pedestal, with it is described deliver sheath proximal end connect；Gland is connect with the proximal end of the pedestal；First seal, between the pedestal and the gland, first seal has elasticity and extends into delivering channel.The utility model embodiment also discloses a kind of transportation system.Using the utility model, have the advantages that reduce patients surgery risk.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of delivery apparatus and transportation system.
Background technique
Carrying out treatment cardiovascular disease using the method for intervention by microcatheter technology is currently used treatment method.Specifically
Refer to the portions such as heart, Artery, Vein blood pipe that a variety of materials, instrument etc. are placed into human body by the treatment method of intubation intervention
Position treatment cardiovascular disease.Such as the upper and lower chamber that vena cava filter (referred to as: VCF) arrives patient is placed by intubation intervention method
Vein captures the thrombus to fall off, prevents the thrombus and moves on to cardiopulmonary in vena cave system, causes pulmonary embolism；Or it will be left
Atrial appendage occlusion device is delivered in left auricle of heart by intubation intervention method, and prevention is made since the thrombus that atrial fibrillation generates goes upward to brain
At apoplexy or other systems embolism.
It is pre- to generally use vein, heart, left auricle of heart etc. that above-mentioned medical instrument is pushed to human body by push wirerope flexible
Fixed position is then turned off medical instrument and pushes the connection between wirerope, discharges medical instrument, then pass through radiography or ultrasound
Equipment judges whether the position of medical instrument release is suitable, whether is normally unfolded, and whether surgical effect is satisfied with.
In the prior art, the delivery conduit of insertion type medical appliance conveying system does not have leakproofness, this structure usually
Transportation system establish in vivo with external channel when, have blood outflow, it is unfavorable to patient.With occluder for left auricle
For transportation system, when establish in vivo with it is external between channel when, since the distal end of delivery conduit is placed in atrium sinistrum, and the heart
When dirty contraction, normal adult atrium sinistrum blood pressure can reach 130mmHg, if without installing sealing device additional in transportation system, it is inevitable
It will lead to blood outflow, increase the operation risk of patient.
The prior art is used as sealing device using manually cock etc., and the structure of this complexity causes doctor in surgical procedure
In it is inconvenient, a possibility that operation error, is larger, and operating time is longer, also increases the operation risk of patient.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, providing a kind of delivery apparatus and transportation system.It can
It prevents blood from flowing out and reduces operation risk.
In order to solve the above-mentioned technical problem, the utility model first aspect embodiment provides a kind of delivery apparatus, described
Delivery apparatus includes:
Sheath is delivered, it is hollow；
Sheath tube socket, it is hollow and with delivering sheath proximal end connect, the sheath tube socket is connected to the delivering sheath with shape
At delivering channel, the sheath tube socket includes:
Pedestal is connect with the proximal end of the delivering sheath；
Gland is connect with the proximal end of the pedestal；
First seal, between the pedestal and the gland, first seal has elasticity and leads to delivering
Extend in road.
In one embodiment of the utility model first aspect, the first seal has at least one axially disposed
Sealed passage, the sealed passage are used for through intervention tube body, and the diameter of the sealed passage is managed less than or equal to the intervention
The outer diameter of body.
In one embodiment of the utility model first aspect, the diameter of the sealed passage is gradually contracted by proximate
Small, the diameter of the proximal end of the sealed passage is greater than or equal to the outer diameter of the intervention tube body, the distal end of the sealed passage
Diameter is less than or equal to the outer diameter of the intervention tube body.
In one embodiment of the utility model first aspect, the first seal includes first branch's sealing element and second
Branch's sealing element has the first slit axially penetrated through on first branch sealing element, has on second branch sealing element
There is the second slit axially penetrated through, the direction of first slit and the second slit is different, and first slit is in the first sealing
Intersect between the projection on the surface of the projection on the surface of part distal end and second slit in first seal distal end.
In one embodiment of the utility model first aspect, the proximal end of the first seal forms the first slit, described
The distal end of first seal forms the second slit, and the sum of first slit and the thickness of second slit are equal to described first
The direction of the thickness of sealing element, first slit and the second slit is different, and first slit is in first seal distal end
Intersect between the projection on surface of the projection on surface with second slit in first seal distal end.
In one embodiment of the utility model first aspect, first slit and second slit are orthogonal.
In one embodiment of the utility model first aspect, first slit and second slit are in the sheath tube socket
Axial direction on length it is identical.
In one embodiment of the utility model first aspect, the first seal be cylindrical body, first slit and
The second slit length range in the radial direction is the 1/2-3/4 of the cylinder diameter, first slit and described
Second slit is uniformly distributed in the two sides of intersection.
In one embodiment of the utility model first aspect, the gland includes platform part, the end of the proximal end of the pedestal
Portion has concora crush portion, and the periphery of the first seal is between the platform part and the concora crush portion.
In one embodiment of the utility model first aspect, the platform part distally forms convex ribs, the convex ribs
It squeezes the first seal and generates deformation；Alternatively, proximally direction forms convex ribs in the concora crush portion, described in the convex ribs squeeze
First seal generates deformation.
The utility model second aspect embodiment provides a kind of transportation system, including above-mentioned delivery apparatus.
In one embodiment of the utility model second aspect, the transportation system further include:
Driving means, across delivery apparatus and the releasable connection insertion type medical instrument, the driving means is pushed away
The insertion type medical instrument is moved across delivery apparatus and is pierced by from the distal end of delivery apparatus.
In one embodiment of the utility model second aspect, the transportation system further include:
Loading attachment is connect with the proximal end of the delivery apparatus, and the loading attachment is at least partially across described first
Sealing element and the first seal seal the gap between the outer wall of the loading attachment and the inner wall of sheath tube socket, the loading
Device is hollow and internal is placed with insertion type medical instrument；
Hemostasis device is connect with the proximal end of the loading attachment, wherein the hemostasis device is hollow and and loading attachment
Connection.
In one embodiment of the utility model second aspect, the hemostasis device includes second seal, and described second is close
Gap between the outer wall of seals driving means and the inner wall of hemostasis device.
In one embodiment of the utility model second aspect, the transportation system further include:
Extension fixture, the extension fixture is loosely inserted into the delivering channel of delivery apparatus, and the extension fixture is remote
End is at least partly pierced by the delivering channel, and the first seal seals the outer wall of the extension fixture and the inner wall of sheath tube socket
Between gap.
Implement the utility model embodiment, has the following beneficial effects:
Since the delivery apparatus includes sheath tube socket, the sheath tube socket includes first seal, the first seal position
Between the pedestal and the gland, first seal has elasticity and extends into delivering channel, so as to sealing sheath
Gap between the inner wall of tube socket and the outer wall for intervening tube body, can inner wall and intervention of the blood from sheath tube socket in anti-hemostatic tube
Gap outflow between the outer wall of tube body, moreover, first seal can stop when intervention tube body takes out out of delivering channel
Blood can also reduce blood in blood vessel and be leaked out by delivering channel, so as to reduce the operation risk of patient.Moreover,
In surgical procedure, first seal does not need to realize sealing or solution sealing using the movements such as can be manually rotated, and simplifies and performed the operation
Operation in journey, shortens operating time, further reduced the operation risk of patient.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of transportation system of the utility model first embodiment；
Fig. 2 is a kind of schematic diagram of Stent assembly of the utility model first embodiment；
Fig. 3 is the utility model first embodiment loading attachment, hemostasis device, driving means, occluder for left auricle connection
Schematic diagram when together (occluder for left auricle is not received into loading attachment)；
Fig. 4 is the utility model first embodiment loading attachment, hemostasis device, driving means, occluder for left auricle connection
Another schematic diagram when together (occluder for left auricle is received into loading attachment)；
Fig. 5 is that the utility model first embodiment delivery apparatus, loading attachment, hemostasis device, driving means are connected to one
The schematic diagram risen；
Fig. 6 is the schematic diagram of the utility model first embodiment delivery apparatus；
Fig. 7 is the schematic diagram of the utility model first embodiment delivering sheath；
Fig. 8 is that the utility model first embodiment first delivers moulding section and delivers the schematic diagram that main part forms angle；
Fig. 9 is that the utility model first embodiment second delivers moulding section and delivering main part and the first delivering moulding section
Plane forms the schematic diagram of the lines of angle；
Figure 10 is a kind of schematic diagram of sheath tube socket of the utility model first embodiment；
Figure 11 is the cross-sectional view in dashed square region in Figure 10；
Figure 12 is the schematic diagram of the utility model first embodiment first seal；
Figure 13 is the schematic diagram after the utility model first embodiment extension fixture insertion sheath tube socket；
Figure 14 is the schematic diagram after the utility model first embodiment loading attachment insertion sheath tube socket；
Figure 15 is the schematic diagram of the utility model first embodiment extension fixture；
Figure 16 is the schematic diagram of the utility model first embodiment loading attachment；
Figure 17 is the schematic diagram of the utility model first embodiment driving means；
Figure 18 is the schematic diagram of the push wirerope of the utility model first embodiment driving means；
Figure 19 is the schematic diagram of the utility model first embodiment hemostasis device；
Figure 20 is the cross-sectional view in dashed square region in Figure 19；
Figure 21 is the schematic diagram of the utility model second embodiment delivering sheath；
Figure 22 is the top view of the utility model second embodiment first seal；
Figure 23 is the cross-sectional view in Figure 22 along line A-A；
Figure 24 is the schematic diagram of the utility model 3rd embodiment delivering sheath；
Figure 25 is the schematic diagram of the first branch of the utility model 3rd embodiment sealing element；
Figure 26 is the schematic diagram of the second branch of the utility model 3rd embodiment sealing element；
Figure 27 is the schematic diagram of the utility model fourth embodiment delivering sheath；
Figure 28 is the schematic diagram of the utility model fourth embodiment first seal；
Figure 29 be in Figure 28 first seal along the cross-sectional view of line B-B；
Figure 30 be in Figure 28 first seal along the cross-sectional view of line C-C；
Shown by reference numeral:
10- delivery apparatus；11- delivers sheath；111- delivers main part；112- delivers moulding portion；The delivering modeling of 112a- first
Shape section；112b- second delivers moulding section；113- first delivers channel；12- sheath tube socket；121- pedestal；1211- concora crush portion；122,
622,822- first seal；123- gland；1231- platform part；1232- convex ribs；The first stub interface of 124-；126,626- is close
Seal channel；20- extension fixture；21- expansion pipe；22- expands tube socket；The tip 23- head；30- loading attachment；40- hemostasis device；
41- hemostasis valve body；42- second seal；The second stub interface of 44-；50- driving means；51- pushes handle；52- pushes steel
Cable；521- wirerope inner core；522- metal reinforced pipe；200- occluder for left auricle；The first branch of 721- sealing element；722- second divides
Branch sealing element；723, the first slit of 823-；724, the second slit of 824-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
The term " includes " and " having " and their any changes occurred in present specification, claims and attached drawing
Shape, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system, product or
Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional
Ground further includes the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " the
Two " and " third " etc. are and to be not intended to describe specific sequence for distinguishing different objects.
In order to describe clearly, the one end that will be close to operator below is referred to as proximal end, and the one end that will be far from operator is referred to as remote
End.
First embodiment
The utility model embodiment provides a kind of transportation system, and the transportation system is for conveying insertion type medical instrument
To diseased region and discharge.In the present embodiment, insertion type medical instrument is occluder for left auricle, certainly, in the utility model
In other embodiments, it can also be other insertion type medical instruments；Occluder for left auricle is delivered to left auricle of heart simultaneously by transportation system
Release；Occluder for left auricle includes two and blocks disk and one layer of plugging film being located therein inside a closure disk.Block disk by
The material of shape memory function is constituted, and when use can stretch in linear.Plugging film by good biocompatibility polytetrafluoro
Vinyl material is constituted.
Referring to Figure 1, transportation system includes delivery apparatus 10, extension fixture 20, loading attachment 30, hemostasis device 40 and pushes away
Send device 50.In addition, in some cases, transportation system can not include loading in the other embodiments of the utility model
Device is directly connected with the distal end of hemostasis device by the proximal end of delivery apparatus.In addition, in the other embodiments of the utility model
In, in some cases, transportation system can not include hemostasis device.
Referring to Fig. 2, the distal end of extension fixture 20 is pierced by the distal end of delivery apparatus 10, Stent assembly is formed.Stent assembly
The track established along seal wire (not shown) of distal end reach left auricle of heart, recession from femoral vein blood vessel by atrial septum
Extension fixture 20 out retain delivery apparatus 10 in vivo, arrive intracorporal channel in vitro in this way, establishing.
Fig. 3-Fig. 5 is please referred to, after foundation arrives intracorporal channel in vitro, the proximal end of loading attachment 30 is first connected to hemostasis
The distal end of device 40 after the distal end of driving means 50 is successively pierced by hemostasis device 40, loading attachment 30 thereafter, is sealed with left auricle of heart
The proximal end of stifled device 200 is detachably connected, and is proximally withdrawn driving means 50 later and is loaded with arriving the income of occluder for left auricle 200
(Fig. 4 is referred to) in device 30, and then the proximal end of the distal end of loading attachment 30 and delivery apparatus 10 is attached and (refers to figure
5), driving means 50 to distal end push occluder for left auricle 200, by occluder for left auricle 200 release 10 distal end of delivery apparatus with
So that occluder for left auricle 200 is reached predetermined position and be unfolded, completes occluder for left auricle 200 and be placed into predetermined position.
In the present embodiment, occluder for left auricle 200 and the distal end of driving means 50 are connected through a screw thread.It is understood that
Be, occluder for left auricle 200 and driving means 50 can also by being connected together, it is magnetic connect, traction fiber connects etc. it is other can
Disassembly mode connects.
Fig. 6-Figure 14 is referred to, it in the present embodiment, can be by intervening tube body, here, institute inside the delivery apparatus
Giving an account of into tube body can be above-mentioned extension fixture 20 or above-mentioned loading attachment 30.In the utility model, intervention tube body is
Refer to the accessories such as the conduit used in interventional procedure, sheath, expansion sheath, loader, push wirerope.In the present embodiment
In, the delivery apparatus 10 includes delivering sheath 11 and sheath tube socket 12.
In the present embodiment, the delivering sheath 11 is located in the blood vessel of patient in the course of surgery, refers to Fig. 7, institute
It is hollow to form the first delivering channel 113 to state delivering sheath 11, the first delivering channel 113 is prolonged from the proximal end of delivering sheath 11
Reach its distal end.
In the present embodiment, the delivering sheath 11 includes the delivering main part 111 positioned at proximal end and passing positioned at distal end
Send moulding portion 112.The straight setting of the delivering main part 111.The delivering moulding portion 112 can change direction, the delivering
Moulding portion 112 includes the first delivering moulding section 112a and the second delivering moulding section 112b, and described first delivers moulding section 112a's
Proximal end is connect with the distal end of the delivering main part 111, the extending direction of the first delivering moulding section 112a and the delivering
Angle α (referring to Fig. 8) is formed between the extending direction of main part 111, the range of the angle α is 0-90 °, for example, 0 °,
15 °, 30 ° 45 °, 60 °, 75 °, 90 ° etc..The first delivering moulding section 112a and the delivering main part 111 are located at here
In approximately the same plane.The proximal end of the second delivering moulding section 112b is connect with the distal end of the first delivering moulding section 112a,
Where the extending direction and the first delivering moulding section 112a and delivering main part 111 of the second delivering moulding section 112b
The range of angle β between plane is 0-45 ° (referring to Fig. 9), for example, 0 °, 15 °, 30 °, 45 ° etc., here, described the
The extending direction of one delivering moulding section 112a refers to the direction that the first delivering moulding proximal end section 112a extends to its distal end, and second passs
The direction for sending the extending direction of moulding section 112b to refer to that the second delivering moulding proximal end section 112b extends to its distal end.Since delivering is moulded
Shape portion 112 can change direction, and delivering moulding portion 112 is conducive to reach the position of anatomical structure complexity, such as especially adapts to the left heart
The physiological anatomic architecture of ear.In addition, in the other embodiments of the utility model, the first delivering moulding section or described the
Two delivering moulding sections, which can according to need, to be omitted.
In the present embodiment, the tube wall of the delivering sheath 11 is multilayered structure, from inside to outside successively includes polytetrafluoroethyl-ne
Alkene material layers, stainless steel braiding layer and polyether block amide layer.The polytetrafluoroethylene (PTFE) material layer is located at innermost layer, due to its material
Matter coefficient of friction itself is extremely low, so that the polytetrafluoroethylene (PTFE) material layer is to intervention when intervening tube body and advancing in delivering channel
The resistance of tube body is smaller, and since polytetrafluoroethylene (PTFE) material layer can be with antiacid alkali resistant, so that blood, developer liquids etc. will not be right
Polytetrafluoroethylene (PTFE) material layer damages.The stainless steel braiding layer intensity is higher, is less likely to be damaged to deliver sheath 11.Institute
State polyether block amide layer and be located at outermost layer, polyether block amide layer have good mechanics elastic property, chemical stability and
Thermal stability makes to deliver sheath 11 with preferable bending property, and is less likely to be damaged.
In the present embodiment, the distal end of the sheath tube socket 12 is connect with the proximal end of the delivering sheath 11, referring to Figure 10,
Figure 11, the sheath tube socket 12 are hollow to form the second delivering channel (not indicating in figure), the second delivering channel and described the
One delivering channel 113 connection forms delivering channel, and in the present embodiment, the intervention tube body is entered from the proximal end of sheath tube socket 12
In delivering channel and it is distally advanced.In the present embodiment, the sheath tube socket 12 is T-shaped or Y type, and here it is T-type, packets
Include pedestal 121, gland 123 and first seal 122.
Particularly, the pedestal 121 is connect with the proximal end of the delivering sheath 11, distal end and the institute of the gland 123
State the proximal end connection of pedestal 121, specially releasable connection, such as the gland 123 and the pedestal 121 be spirally connected connection, engage
Connection etc..Between the pedestal 121 and the gland 123, the first seal 122 has the first seal 122
It is flexible and to delivering channel in extend, thus the inner wall of sealing sheath tube socket 12 and intervene tube body outer wall between gap, example
When extension fixture 20 in this way is by delivering channel, referring to Figure 13, the first seal 122 is close to the extension fixture 20
Outer wall the gap between 12 inner wall of the outer wall of extension fixture 20 and sheath tube socket to be sealed, the blood in anti-hemostatic tube via
Gap between the outer wall of extension fixture 20 and the inner wall of delivery apparatus 10 is proximally flowed out, especially remote when delivery apparatus 10
When end is located at cardiac position, when heart contraction, can generate biggish pressure outward, which is sometime up to 130mm Hg, leads at this time
Cross setting first seal 122, it is particularly possible to prevent blood from flowing out；Equally, when being that loading attachment 30 is located in delivering channel,
Referring to Figure 14, the first seal 122 is close to the outer wall of the loading attachment 30 with by the outer wall and sheath of loading attachment 30
Gap between 12 inner wall of tube socket is sealed, the blood in anti-hemostatic tube via loading attachment 30 outer wall and delivery apparatus 10
Inner wall between gap proximally flow out.Moreover, when intervention tube body takes out out of delivering channel, due to having the first sealing
The obstruction of part 122, so that the leakage of blood in blood vessel can also be reduced.So as to reduce the operation risk of patient.
First seal 122 is mounted between pedestal 121 and gland 123 in order to realize, referring to Figure 11, in this implementation
In example, when assembling, first seal 122 is first bonded in the proximal end of pedestal 121, and the outer diameter of first seal 122 is slightly larger than
The outer diameter of the proximal end of pedestal 121；Gland 123 is connected to the proximal end outer surface of pedestal 121 again, and the distal end of gland 123 is interior
Diameter is equal or slightly larger than the outer diameter of first seal 122, as a result, gland during gland 123 is connected on pedestal 121
123 squeeze first seal 122, and first seal 122 is interference fitted after elastic deformation occurs with the formation of gland 123, until will
First seal 122 is fixed between pedestal 121 and gland 123.In addition, in the other embodiments of the utility model, it is described
First seal can also be mounted between pedestal and gland by other assembling modes.To which in the course of surgery, first is close
Sealing 122 does not need to realize sealing or depressurization using the movements such as can be manually rotated, and simplifies the operation in surgical procedure, contracts
Short operating time, reduces the operation risk of patient.
1 and Figure 12 referring to Figure 1, in the present embodiment, the first seal 122 have at least one axially disposed
Sealed passage 126, the direction of the axial central axis for referring to first seal herein, the sealed passage 126 is for passing through
The intervention tube body.Particularly, the first seal 122 is O-shaped silica gel ring, and O-shaped silica gel ring itself has certain bullet
Property, the O-shaped silica gel ring is centrally formed sealed passage 126, and the diameter of the sealed passage 126 is less than or equal to the intervention
The outer diameter of tube body, thus, when sealed passage 126 of the intervention tube body by the first seal 122, the intervention pipe
Know from experience outwardly against or stretch the first seal 122, to realize that first seal 122 intervenes the close of tube body with described
Envelope.In the present embodiment, the center overlapping of axles of the central axis of the sealed passage 126 and second delivering channel, thus the
The sealing performance of one sealing element 122 and intervention tube body everywhere is all relatively good.
In order to which more stable secures the above first seal 122, continuing with referring to Figure 11, in the present embodiment, institute
Stating gland 123 includes platform part 1231, the extending direction of plane and second delivering channel where the platform part 1231
Vertically, the end of the proximal end of the pedestal 121 has concora crush portion 1211, and the plane where the concora crush portion 1211 is also with described the
It is flat where plane and the platform part 1231 where the extending direction in two delivering channels is vertical namely the concora crush portion 1211
Face is parallel each other, and the periphery of the first seal 122 is located between the peaceful splenium 1211 of the platform part 1231, passes through
Platform part 1231 and the concora crush portion 1211 clamp the periphery of the first seal 122, the periphery of the first seal 122
It can be clamped deformation, state first seal 122 so as to stabilization clamp residence, prevent intervention tube body from passing through the sealed passage
126 or while splitting out the sealed passage 126 lead to the loosening of the first seal 122, be conducive to first seal 122 with
It intervenes tube body and realizes stabilized seal.Moreover, in the present embodiment, the stable platform part for being clipped in gland 123 of first seal 122
After between 1231 and the concora crush portion 1211 of the pedestal 121, during extension fixture 20 is inserted into and withdraws from delivering channel, with
And during driving means 50 is pushed into and withdraws from delivering channel, the gland 123 and the pedestal 121 do not need operator's
Movement, the first seal 122 is also stable to be clipped between gland 123 and pedestal 121, namely does not need to can be manually rotated gland
123 or pedestal 121 so that first seal 122 seal up intervention tube body or blow-by intervention tube body, do not need complicated behaviour
Make, to reduce operation risk.
Secure the above first seal 122 in order to further stable, in the present embodiment, the platform part 1231 to
Distal direction forms convex ribs 1232, and the convex ribs 1232 are annular convex rib 1232 here, in the gland 123 and the pedestal
121, which push down the convex ribs 1232 during the first seal 122, squeezes the first seal 122 and generates deformation, from
And further stable it can secure the above first seal 122.In addition, in the other embodiments of the utility model, institute
The quantity for stating convex ribs can be to be multiple, multiple convex ribs interruption settings, and multiple convex ribs be located on the circumference of the same circle or
Person is located on the circumference of different circles.In addition, the concora crush portion is proximally formed in direction in the other embodiments of the utility model
Convex ribs, the convex ribs squeeze the first seal during gland and the pedestal push down the first seal
Deformation is generated, secures the above first seal so as to further stable.
In the present embodiment, referring to Figure 10, the delivery apparatus 10 further includes one first stub interface 124, and described
One stub interface 124 is connect with the pedestal 121, the hollow formation branched bottom of first stub interface 124, and the branch is logical
Road is connected to the delivering channel, and first stub interface 124 is described for being connect with external device (ED) to input liquid and come in
Liquid is, for example, drug etc., can prevent air in surgical procedure from entering in blood vessel or realizing other function.
Referring to Figure 15, in the present embodiment, the extension fixture 20 mainly includes expansion pipe 21 and expansion tube socket 22, is expanded
The proximal end for opening pipe 21 is connect with the distal end of expansion tube socket 22, and the material of expansion pipe 21 is polyethylene, and the outer diameter for expanding pipe 21 is smaller
In the internal diameter of delivering sheath 11.As delivering sheath 11, the expansion pipe 21 includes expansion main part and the position positioned at proximal end
In the expansion moulding portion (not indicating in figure) of distal end, the straight setting of the expansion main part, the expansion moulding portion can be converted
Direction, the expansion moulding portion include the first expansion moulding section and the second expansion moulding section, and described first expands the close of moulding section
It holds and is connect with the distal end of the expansion main part, the extending direction of the first expansion moulding section and prolonging for the expansion main part
It stretches direction and forms angle, the range of the angle is 0-90 °, here the first expansion moulding section and the expansion main part
It is located in the same plane, the proximal end of the second expansion moulding section is connect with the distal end of the first expansion moulding section, described
The angle between plane where the extending direction of second expansion moulding section and the first expansion moulding section and expansion main part
Range is 0-45 °, and here, the extending direction of the first expansion moulding section refers to the first expansion moulding section proximal end to its distal end
The extending direction in the direction of extension, the second expansion moulding section refers to the direction that the second expansion moulding section proximal end extends to its distal end.
In addition, in the present embodiment, the expansion pipe 21 further includes the tip head 23 positioned at distal end, the tip head 23 and described second
The distal end connection of moulding section is expanded, the tip head 23 is tapered, and outer diameter is gradually increased from distal end to proximal end.
Incorporated by reference to referring to fig. 2, Figure 13 and Figure 15, in surgical procedure, extension fixture 20 is from the activity of the proximal end of delivery apparatus 10
Ground is inserted into the delivering channel, and the tip head 23 for expanding pipe 21 is pierced by from the distal end in delivering channel, at this point, expansion tube socket 22
It is detachably connected between distal end and 12 proximal end of sheath tube socket of delivery apparatus 10 by screw thread, first seal 122 and extension fixture
20 be tightly connected, the specially described first seal 122 seal the extension fixture 20 outer wall and sheath tube socket 12 inner wall it
Between gap extension fixture 20 and the delivery apparatus 10 form Stent assembly, Stent assembly advances along seal wire, when due to blood
When rouge is excessively high to cause blood vessel narrow, the tip head 23 of Stent assembly distal end can expand blood vessel at this time, facilitate expansion
Component passes through, and reaches scheduled position along seal wire to be conducive to Stent assembly.Hereafter, extension fixture 20 is from delivering
It is withdrawn from channel, is established by delivery apparatus 10 and arrive intracorporal channel in vitro.
After foundation arrives intracorporal channel in vitro, 4 and Figure 16, the distal end of loading attachment 30 is connected to and is passed referring to Figure 1
The proximal end of device 10 is sent, here the loading attachment 30 and 10 releasable connection of delivery apparatus, such as is spirally connected.In this reality
It applies in example, the loading attachment 30 is at least partially into the delivering channel, and the specific loading attachment 30 is at least partly worn
The sealed passage 126 of the first seal 122 is crossed, and the first seal 122 is close to the outer of the loading attachment 30
Gap between 30 outer wall of inner wall and loading attachment of the wall to realize close sheath tube socket 12, outer wall of the anti-Hemostatic Oral Liquid from loading attachment 30
Gap outflow between the inner wall of sheath tube socket 12.In the present embodiment, the loading attachment 30 is hollow, and inside is placed with receipts
The occluder for left auricle 200 after contracting, the hollow inner cavity of loading attachment 30 are connected to the delivering channel of the delivery apparatus 10.
In the present embodiment, 200 releasable connection of occluder for left auricle in driving means 50 and 30 inner cavity of loading attachment with
For pushing occluder for left auricle 200, the driving means 50 can be across the delivery apparatus 10.Refer to Fig. 3, Fig. 4, figure
17, Figure 18, in the present embodiment, driving means 50 include push wirerope 52 and the push handle set on push 52 proximal end of wirerope
51, it pushes and is connected between wirerope 52 and push handle 51 by the connection type generally in the art such as screw, details are not described herein.
Pushing wirerope 52 has certain axial length, and has both flexible and pushability.In the present embodiment, push wirerope 52 includes by extremely
Wirerope inner core 521 made of few three bursts of steel wire twistings and the metal reinforced pipe 522 set on 521 proximal end outer surface of wirerope inner core (are asked
Referring to Figure 18).It, can also winding steel wire in the outside for the steel wire strand being twisted together in order to reinforce pushing the supportive of wirerope 52
(not illustrating in figure), but in order to minimize the outer diameter of push wirerope 52, being wrapped in external steel wire should be in metal reinforced pipe
The cut-off of 522 far-ends.Metal reinforced pipe 522 is made of stainless steel, and the outer surface gap Bu Ju.In the present embodiment, metal is reinforced
Pipe 522 uses the form of stainless steel sleeve pipe.It is axial long that the axial length of metal reinforced pipe 522 is equal to or less than wirerope inner core 521
The half of degree, pushing wirerope 52 as a result, both can guarantee that distal end flexibility adapted to curved blood flow paths, while supportive and push
Property it is preferable, and can with hemostasis device 40 cooperate realize sealing.
Fig. 3, Fig. 4, Figure 19, Figure 20 are referred to, in the present embodiment, the hemostasis device 40 and the loading attachment 30
Proximal end connection, the hemostasis device 40 is hollow and is connected to loading attachment 30, and the push wirerope 52 is from the close of hemostasis device 40
End penetrates, from the distal end of hemostasis device 40 be pierced by into loading attachment 30 and with the occluder for left auricle 200 in loading attachment 30
Releasable connection.The hemostasis device 40 includes the hemostasis valve body 41 with inner cavity and the second seal 42 in inner cavity.The
Two sealing elements 42 are made of elastic material, and hole is equipped among second seal 42, and the hole is for pushing wirerope 52
Pass through, pore-size is less than the outer diameter of push wirerope 52.The structure and sheath tube socket 12 of second seal 42 in hemostasis device 40
The structure of middle first seal 122 can be identical or not identical.In the present embodiment, the structure and sheath of second seal 42
The structure of first seal 122 in tube socket 12 is identical, is O-shaped silica gel ring.When push wirerope 52 passes through second seal 42
When, second seal 42 is deformed and is pushed away with the outer wall formation sealing of push wirerope 52 namely the sealing of the second seal 42
Send the gap between the outer wall of device 50 and the inner wall of hemostasis device 40, so as to anti-Hemostatic Oral Liquid from push wirerope 52 outer wall
It flows out in gap between the inner wall of hemostasis valve body 41.In the present embodiment, hemostasis valve body 41 can be T-type or Y type, this implementation
T-valve is used in example, the opposite end of T-valve forms channel for pushing passing through for wirerope 52, the second stub interface of T-valve
44 can connect external infusion instrument, and external infusion instrument can input drugs or the contrast agent such as heparin before surgery or in operation
Deng.
In the present embodiment, continuing with referring to Fig. 5, when the distal end of push wirerope 52 is being loaded with occluder for left auricle 200
After being connected in device 30, controls the push wirerope 52 and the occluder for left auricle 200 is pushed to advance, by loading attachment 30
Behind inner cavity, the occluder for left auricle 200 respectively enters the delivering channel of delivery apparatus 10 with push wirerope 52, pushes wirerope 52
It continues to press on occluder for left auricle 200 to advance along delivering channel, push wirerope 52 passes through the delivery apparatus 10 until will be left
Atrial appendage occlusion device 200 releases delivery apparatus 10 and reaches predetermined position, and predetermined position is left auricle of heart here, then left atrial appendage occlusion
Device 200 is unfolded, and seals at this point, being realized due to the outer wall of first seal 122 and loading attachment 30, second seal 42 and push
The outer wall of wirerope 52 realizes sealing, so that blood is difficult by between the inner wall of delivery apparatus 10 and the outer wall of loading attachment 30
Gap between gap, the inner wall of hemostasis device 40 and the outer wall of push wirerope 52 is flowed out, thus the blood in entire surgical procedure
Liquid is all difficult to flow out by transportation system, further reduced the operation risk of patient.
In the present embodiment, when occluder for left auricle 200 reach predetermined position after, at this time the push wirerope 52 also not with
Occluder for left auricle 200 is detached from, and inputs contrast agent thereafter, and the expansion of occluder for left auricle 200 can be observed by image documentation equipment
Whether position is preferable, and whether surgical effect is satisfied with.When encountering, surgical effect is bad to need to adjust the occluder for left auricle 200
When position, push wirerope 52 is withdrawn to drive occluder for left auricle 200 to withdraw in income delivering sheath 11, then finely tunes delivery sheath
The position of 11 distal end of pipe then pushes the occluder for left auricle 200 along passing to reach better place by pushing wirerope 52
Channel is sent to advance, occluder for left auricle 200 is pushed out delivering channel and reaches the better place, and then occluder for left auricle 200 is again
Secondary expansion carries out radiography assessment again, after assessing surgical effect satisfaction, releases occluder for left auricle 200 and push wirerope 52
Between connection, discharge occluder for left auricle 200, withdraw from other component complete operation.Second embodiment
Figure 21 is a kind of cross-sectional view of sheath holder structure of the utility model second embodiment, the structure of Figure 21 and the knot of Figure 11
Structure is essentially identical, therefore the identical component of identical numbers, the main difference of the present embodiment and first embodiment
For the structure of the first seal.
Figure 21-Figure 23 is referred to, in the present embodiment, the first seal 622 is cylindrical, the first seal
622 have certain thickness in the axial direction, and axially setting sealed passage 626, the sealing are logical along it for the first seal 622
Road 626 is in circular platform type, and the diameter of the sealed passage 626 is proximally to being distally gradually reduced namely sealed passage 626 proximal end
It is relatively large in diameter, the diameter of distal end is smaller.Particularly, in the present embodiment, the diameter of 626 proximal end of sealed passage be greater than or
Equal to the outer diameter of intervention tube body, the diameter of 626 distal end of sealed passage is less than or equal to the outer diameter of intervention tube body, thus,
When intervening tube body from the insertion of the proximal end of sealed passage 626, since the diameter of the proximal end of sealed passage 626 is greater than or equal to intervention
The outer diameter of tube body is easier to be inserted into sealed passage 626 to intervene tube body, and thereafter, intervention tube body passes through sealed passage
It 626 and is pierced by from the distal end of sealed passage 626, since the diameter of the distal end of sealed passage 626 is less than or equal to intervention tube body
Outer diameter, so that the distal end of first seal 622 and intervention tube body realize good sealing.To which the first of the present embodiment is close
The excellent sealing with intervention tube body had both may be implemented in sealing 622, and also more convenient intervention tube body passes through sealed passage 626 or tears open
Sealed passage 626 out.
In addition, in the present embodiment, the structure of the second seal and the structure of first seal are identical.Third is implemented
Example
Figure 24 is a kind of schematic diagram of sheath holder structure of the utility model 3rd embodiment, the structure of Figure 24 and the knot of Figure 11
Structure is essentially identical, therefore the identical component of identical numbers, the main difference of the present embodiment and first embodiment
For the structure of the first seal.
Figure 24-Figure 26 is referred to, in the present embodiment, the first seal includes first branch's sealing element 721 and the
Two branch's sealing elements 722 can be disposed proximate between first branch's sealing element 721 and second branch's sealing element 722, can also edge
The setting of axially spaced-apart certain distance.It is disposed proximate to both in the present embodiment, each other gapless.First branch's sealing element 721
Close to proximal end, close to distal end, first branch sealing element 721 and second branch's sealing element 722 are in second branch's sealing element 722
Circle, setting has certain length and axially penetrates through the first of first branch's sealing element 721 on first branch sealing element 721
The center of circle of slit 723, the elongated and opposite first branch's sealing element 721 of first slit 723 is symmetrical, second branch
Setting has certain length and axially penetrates through the second slit 724 of second branch's sealing element 722 on sealing element 722, and described second
Slit 724 is elongated and the center of circle of opposite second branch's sealing element 722 is symmetrical, first slit 723 and described second narrow
The direction of seam 724 is different, such as first slit 723 extends in transverse direction here, and second slit 724 is along longitudinal direction
Direction extends.It is smoothly pierced by guarantee to intervene tube body, the projection on surface of first slit 723 in first seal distal end
Intersect between the projection on surface of second slit 724 in first seal distal end, intersection is the in the present embodiment
The center of circle on the surface of two branch's sealing elements, 722 distal end.Since the first slit 723 and the second slit 724 are in first seal distal end
Surface projection intersection, so that the position in intersection can be more fragile, the first slit 723 and second when intervention tube body force
Slit 724 is easy to expand outward from intersection, facilitates passing through for intervention tube body, and first seal can be with intervention tube body
Outer wall form good sealing.Moreover, first slit 723 and the second slit 724 can restore after intervention tube body is withdrawn from
Original state, since the direction of the first slit 723 and the second slit 724 is different, first seal, which there's almost no, after reinstatement is passed through
Logical hole, thus by the configuration of first branch's sealing element 721 and second branch's sealing element 722 in addition to can stop blood from
The gap location intervened between the outer wall of tube body and the inner wall of delivery apparatus 10 flows out, moreover, after intervention tube body is withdrawn from, described the
One branch's sealing element 721 and second branch's sealing element 722 can also stop blood to leak out via delivering channel completely.Preferably,
In the present embodiment, first slit 723 and the second slit 724 is orthogonal namely the first slit 723 and the second slit
724 formation are cross, and sealing performance is preferable at this time.
In addition, in the present embodiment, the structure of the second seal and the structure of first seal are identical.4th implements
Example
Figure 27 is a kind of schematic diagram of sheath holder structure of the utility model fourth embodiment, the structure of Figure 27 and the knot of Figure 24
Structure is essentially identical, therefore the identical component of identical numbers, the main difference of the present embodiment and 3rd embodiment
For the structure of the first seal.
The structure for being made of one first branch's sealing element of 3rd embodiment and second branch's sealing element in the present embodiment,
Particularly, Figure 27-Figure 30 is referred to, in the present embodiment, the first seal 822 is in cylindrical body, first sealing
The proximal end of part 822 forms the first slit 823 of strip, and the second of the distal end formation strip of the first seal 822 is narrow
The sum of thickness of seam 824, first slit 823 and second slit 824 is equal to the thickness of the first seal 822,
Thickness herein refers to the length in the axial direction of sheath tube socket, and in the present embodiment, the thickness of first slit 823 is equal to the
The half of one sealing element, 822 thickness, and the first slit 823 is located at the half of 822 proximal end of first seal, second slit
824 thickness is equal to the half of 822 thickness of first seal, and the second slit 824 is located at the half of 822 distal end of first seal
Place, the half of 822 proximal end of first seal and the half of distal end constitute the complete first seal 822, and first is narrow
Seam 823 and the second slit 824 are not overlapped in a thickness direction, that is, the first slit 823 and the second slit 824 are in thickness side
Upward length is identical namely the first slit 823 is identical with length of second slit 824 in the axial direction of the sheath tube socket.Institute
The direction for stating the first slit 823 and the second slit 824 is different, and the extending direction of first slit 823 is laterally institute here
It is longitudinal for stating the extending direction of the second slit 824.Projection of first slit 823 on the surface of 822 distal end of first seal
And second slit 824 intersects between the projection on the surface of 822 distal end of first seal, intersection is in the present embodiment
The center of circle on the surface of 822 distal end of first seal.Preferably, the first slit 823 and the second slit 824 are mutually perpendicular to namely two
Person forms right-angled intersection.
Specifically, in the present embodiment, first seal 822 is cylindrical body, diameter range 8mm-15mm is thick
Degree range is 1.5mm-3mm, and here, the diameter of first seal 822 is 10mm, with a thickness of 2mm.First seal 822
Process is as follows: as shown in Figure 28 and Figure 29, the proximal end face of the first first seal 822 in cylindrical body is diametrically
Cutting one the first slit 823 of formation, the half for being of a depth approximately equal to 822 thickness of first seal of the first slit 823, first
The length range in the radial direction of slit 823 is the half of cylinder diameter between 3/4ths, usually 6-7mm, this
823 depth of the first slit is 1mm, length 6.5mm in embodiment, and the first slit 823 is uniformly distributed in the two sides of intersection,
I.e. length is symmetrical with respect to the center of circle here；As shown in Figure 28 and Figure 30, cut in the distal surface of the first seal 822 of cylindrical body
It cuts to form the second slit 824, the size of the second slit 824 is identical as the size of the first slit 823, and the second slit 824 is intersecting
The two sides at place are uniformly distributed, and when cutting guarantees not to be connected between the first slit 823, the second slit 824 and the first slit 823,
Two slits, 824 direction is different.Intersect since two slits of 822 proximal end face of first seal and distal surface are formed, intersects
It is more fragile at point, it is easier to be run through, this crosspoint becomes the unique passage that intervention tube body passes through first seal 822.It is situated between
First seal 822 can be run through from this by entering tube body.Since first seal 822 is made of elastic material, when intervention tube body quilt
It after withdrawing from, can be tended to be closed again by perforative first seal 822, and hole or gap is substantially not present after being closed, because
This, the first seal 822 of the present embodiment can achieve the effect of automatic-sealed.The first seal 822 of the present embodiment is filled
Enter in sheath tube socket, after continuously extension fixture 20 is passed through three times and extracts first seal 822, by testing, sheath tube socket 12
Sealing performance still can achieve 1ATM (standard atmospheric pressure), can effectively prevent leakage blood.It is tested using identical method, even
Continue after being passed through three times by the distal end of loading attachment 30 and extracting first seal 822, the leakproofness of first seal 822 can reach
To 4ATM, sealing performance is preferable, can prevent blood from flowing out and flowing out.
In addition, in the present embodiment, the structure of the second seal and the structure of first seal are identical.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is all differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For device embodiment, since it is basically similar to the method embodiment, so being described relatively simple, related place referring to
The part of embodiment of the method illustrates.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (15)
1. a kind of delivery apparatus, which is characterized in that the delivery apparatus includes:
Sheath is delivered, it is hollow；
Sheath tube socket, it is hollow and with delivering sheath proximal end connect, the sheath tube socket is connected to the delivering sheath to be formed and be passed
Channel is sent, the sheath tube socket includes:
Pedestal is connect with the proximal end of the delivering sheath；
Gland is connect with the proximal end of the pedestal；
First seal, between the pedestal and the gland, first seal has elasticity and into delivering channel
Extend.
2. delivery apparatus as described in claim 1, which is characterized in that there is the first seal at least one to set along axial direction
The sealed passage set, the sealed passage are used for through intervention tube body, and the diameter of the sealed passage is less than or equal to described
Intervene the outer diameter of tube body.
3. delivery apparatus as claimed in claim 2, which is characterized in that the diameter of the sealed passage by proximate gradually
It reduces, the diameter of the proximal end of the sealed passage is greater than or equal to the outer diameter of the intervention tube body, the distal end of the sealed passage
Diameter be less than or equal to it is described intervention tube body outer diameter.
4. delivery apparatus as described in claim 1, which is characterized in that the first seal include first branch's sealing element and
Second branch's sealing element has the first slit axially penetrated through, second branch sealing element on first branch sealing element
Going up has the second slit axially penetrated through, and the direction of first slit and the second slit is different, and first slit is first
Intersect between the projection on the surface of the projection on the surface of sealing element distal end and second slit in first seal distal end.
5. delivery apparatus as described in claim 1, which is characterized in that the proximal end of the first seal forms the first slit,
The distal end of the first seal forms the second slit, and the sum of first slit and the thickness of second slit are equal to described
The direction of the thickness of first seal, first slit and the second slit is different, and first slit is remote in first seal
Intersect between the projection on surface of the projection on the surface at end with second slit in first seal distal end.
6. delivery apparatus as described in claim 4 or 5, which is characterized in that first slit and second slit are mutual
Vertically.
7. delivery apparatus as claimed in claim 5, which is characterized in that first slit and second slit are in the sheath
Length in the axial direction of tube socket is identical.
8. delivery apparatus as claimed in claim 5, which is characterized in that the first seal is cylindrical body, and described first is narrow
Seam and the second slit length range in the radial direction be the cylinder diameter 1/2-3/4, first slit and
Second slit is uniformly distributed in the two sides of intersection.
9. the delivery apparatus as described in claim 1-5 any one, which is characterized in that the gland includes platform part, described
The end of the proximal end of pedestal has a concora crush portion, the periphery of the first seal be located at the platform part and the concora crush portion it
Between.
10. delivery apparatus as claimed in claim 9, which is characterized in that the platform part distally forms convex ribs, described
Convex ribs squeeze the first seal and generate deformation；Alternatively, proximally direction forms convex ribs in the concora crush portion, the convex ribs are squeezed
The first seal generates deformation.
11. a kind of transportation system, which is characterized in that including the delivery apparatus as described in claim 1-10 any one.
12. transportation system as claimed in claim 11, which is characterized in that the transportation system further include:
Driving means, across the delivery apparatus and the releasable connection insertion type medical instrument, the driving means is pushed away
The insertion type medical instrument is moved across delivery apparatus and is pierced by from the distal end of delivery apparatus.
13. transportation system as claimed in claim 12, which is characterized in that the transportation system further include:
Loading attachment is connect with the proximal end of the delivery apparatus, and the loading attachment is at least partially across first sealing
Part and the first seal seal the gap between the outer wall of the loading attachment and the inner wall of sheath tube socket, the loading attachment
It is hollow and internal be placed with insertion type medical instrument；
Hemostasis device is connect with the proximal end of the loading attachment, wherein the hemostasis device is hollow and connects with loading attachment
It is logical.
14. transportation system as claimed in claim 13, which is characterized in that the hemostasis device includes second seal, described
Second seal seals the gap between the outer wall of driving means and the inner wall of hemostasis device.
15. transportation system as claimed in claim 11, which is characterized in that the transportation system further include:
Extension fixture, the extension fixture is loosely inserted into the delivering channel of delivery apparatus, and the distal end of the extension fixture is extremely
Small part is pierced by the delivering channel, and the first seal seals between the outer wall of the extension fixture and the inner wall of sheath tube socket
Gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575399.XU CN209107470U (en) | 2018-04-20 | 2018-04-20 | Delivery apparatus and transportation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575399.XU CN209107470U (en) | 2018-04-20 | 2018-04-20 | Delivery apparatus and transportation system |
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| Publication Number | Publication Date |
|---|---|
| CN209107470U true CN209107470U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820575399.XU Active CN209107470U (en) | 2018-04-20 | 2018-04-20 | Delivery apparatus and transportation system |
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| CN (1) | CN209107470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492569A (en) * | 2023-04-25 | 2023-07-28 | 晨兴(南通)医疗器械有限公司 | Loader, conveying system and conveying method |
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2018
- 2018-04-20 CN CN201820575399.XU patent/CN209107470U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492569A (en) * | 2023-04-25 | 2023-07-28 | 晨兴(南通)医疗器械有限公司 | Loader, conveying system and conveying method |
| CN116492569B (en) * | 2023-04-25 | 2024-05-24 | 晨兴(南通)医疗器械有限公司 | Conveying system |
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Address after: 310052 room 316, 3rd floor, building 2, 88 Jiangling Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou DeNO electrophysiological Medical Technology Co.,Ltd. Address before: 310052 room 316, 3rd floor, building 2, 88 Jiangling Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU NUOMAO MEDICAL TECHNOLOGY Co.,Ltd. |
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