CN206565992U - Conduit tube component and thrombus biopsy system for thrombus rotary-cut - Google Patents
Conduit tube component and thrombus biopsy system for thrombus rotary-cut Download PDFInfo
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- CN206565992U CN206565992U CN201621337054.8U CN201621337054U CN206565992U CN 206565992 U CN206565992 U CN 206565992U CN 201621337054 U CN201621337054 U CN 201621337054U CN 206565992 U CN206565992 U CN 206565992U
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- China
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- catheter body
- thrombus
- tube component
- conduit tube
- peeling knife
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Abstract
The utility model is related to medical instruments field, and in particular to a kind of conduit tube component and thrombus biopsy system for thrombus rotary-cut.Conduit tube component of the present utility model for thrombus rotary-cut includes：Catheter body and the peeling knife being arranged in the catheter body, the peeling knife have cutter head, and the position of the cutter head corresponding to the peeling knife of the catheter body has perforate.During thrombus removal is carried out using conduit tube component of the present utility model or thrombus biopsy system, the damage to blood vessel can be reduced, and the arterial thrombus that traditional thrombus removal system can be handled can either be handled, it can also handle the phlebothrombosis that traditional thrombus removal system can not be handled.
Description
Technical field
The utility model is related to thrombus removal system, and in particular to conduit tube component and thrombus rotary-cut system for thrombus rotary-cut
System, belongs to medical instruments field.
Background technology
The reason for causing vascular occlusive disease is a lot, and relatively conventional is to cause hemadostewnosis in atherosclerotic plaque
On the basis of, because the factors such as blood flow is slow, Blood denseness change cause thrombosis.From Simpson in 1985 first
Since using mechanical means excision patch, existing apparatus lists and obtains clinical practice.Wherein, straub thrombus biopsy system is
Representative thrombus removal system, it is applied to clinical (non-patent literature 1,2) widely.The system possesses operation
Simply, take bolt efficiency high, it is effective to fresh and outmoded thrombus the advantages of.
But, the rotary-cut cutter head of the system is exposed in blood vessel, there is the risk of injured blood vessel.Moreover, the system can only
Suitable for processing arterial thrombus because vein has vein valve, venous valve will necessarily be damaged using the system, cause it is bad after
Really.
Bibliography
Non-patent literature 1：Li Linsun etc., a kind of new thrombus rotary cut device Straub Rotarex System and its clinic
Using introduction, interventional radiology magazine, the 6th phase of volume 13,502-505 pages, in December, 2004；
Non-patent literature 2：Chen Huan armies, Straub Rotarex System thrombus rotary cut device treatment arterial thromboembolism
Clinical practice, interventional radiology magazine, the 3rd phase of volume 15,150-152 pages, in March, 2006.
Utility model content
The purpose of this utility model be to provide one kind can reduce injury of blood vessel and be not only suitable for processing arterial thrombus again fit
Thrombus removal conduit tube component and thrombus removal system for handling phlebothrombosis.
The present inventor has found by further investigation：By the way that peeling knife is arranged in atherectomy catheter and atherectomy catheter wall
Corresponding to the position perforate of peeling knife, it is possible to reduce the damage to blood vessel, and traditional thrombus removal system can either be handled can
The arterial thrombus of processing, can also handle the phlebothrombosis that traditional thrombus removal system can not be handled, so as to complete this reality
With new.
I.e. the utility model includes following technical scheme.
1. a kind of conduit tube component for thrombus rotary-cut, the conduit tube component includes：Catheter body and it is arranged at the conduit
Intrinsic peeling knife, the peeling knife has cutter head, the position of the cutter head corresponding to the peeling knife of the catheter body
With perforate.
2. the conduit tube component according to item 1, wherein, the cutter head of the peeling knife is arranged at the front end of the catheter body
Portion.
3. the conduit tube component according to item 1, wherein, the cutter head width of the peeling knife is slightly less than the catheter body
Diameter.
4. the conduit tube component according to any one of item 1~3, wherein, the peeling knife has in the catheter body
Length direction on the hilt that extends.
5. the conduit tube component according to item 4, wherein, the hilt has helical segments.
6. the conduit tube component according to any one of item 1~5, wherein, the rear end of the peeling knife is connected with motor,
The peeling knife is rotated under the driving of the motor.
7. the conduit tube component according to item 1, wherein, the front end of the catheter body has an opening.
8. the conduit tube component according to item 7, wherein, the opening is cone, and its front end is only capable of allowing seal wire to pass through.
9. the conduit tube component according to item 1, wherein, the rearward end of the catheter body has conduit branch road so that institute
Stating catheter body can be connected by the conduit branch road with negative suction system.
10. a kind of thrombus biopsy system, it include conduit tube component any one of item 1~9 and with the conduit group
The negative suction system that the catheter body of part is connected by the conduit branch road of the rearward end positioned at the catheter body.
11. the thrombus biopsy system according to item 10, wherein, the negative suction system includes Blood bottle and negative pressure is taken out
Haustorium, the Blood bottle is connected with the conduit branch road of the rearward end positioned at the catheter body, and the Blood bottle is with negative
Aspirator connector is pressed, the Blood bottle is connected by the negative pressure aspirator connector with negative pressure aspirator.
During thrombus removal is carried out using conduit tube component of the present utility model or thrombus biopsy system, it can reduce
Damage to blood vessel, and the arterial thrombus that traditional thrombus removal system can be handled can either be handled, it can also handle traditional blood
The phlebothrombosis that bolt removal system can not be handled.
Brief description of the drawings
Fig. 1 is the schematic diagram of the conduit tube component of the present utility model for thrombus rotary-cut.
Symbol description
1. conduit tube component；2. catheter body；3. peeling knife；4. cutter head；41. blade；5. perforate；
6. hilt；61. helical segments；7. connect motor；8. connect negative pressure；9. conduit branch road
Embodiment
The utility model is described in detail with reference to embodiment.
The utility model provides a kind of conduit tube component 1 for thrombus rotary-cut, and the conduit tube component 1 includes：Catheter body 2 and
The peeling knife 3 in the catheter body 2 is arranged at, the peeling knife 3 has cutter head 4, and corresponding to for the catheter body 2 is described
The position of the cutter head 4 of peeling knife 3 has perforate 5.In the utility model, thrombus also includes patch.
The catheter body 2 generally has two ends, in utility model, will generally go deep into before one end in blood vessel is referred to as
End, will usually stay in external one end referred to as rear end.Part near the front end of the catheter body 2 is referred to as leading section, described
Part near the rear end of catheter body 2 is referred to as rearward end.For other parts, match with the front end of the catheter body 2
Position correspondingly be also referred to as front end, the position matched with the rear end of the catheter body 2 correspondingly be also referred to as rear end, because
This, other parts also correspondingly there will be leading section and rearward end.
In the utility model, it is not particularly limited, for example, can uses for the construction and material of the catheter body 2
The construction and material of conventional catheter body.Catheter body 2 typically want surface smooth and has certain rigidity, and its material can be with
Using such as rigid plastics (such as polytetrafluoroethylene (PTFE)).It is preferred that the front end of the catheter body 2 has opening, so it is easy to leading
Silk is guided.Preferably, the opening is cone, and its front end is only capable of allowing seal wire to pass through.
The peeling knife 3 is arranged in the catheter body 2.In the utility model, for the construction of the peeling knife 3
And material is not particularly limited, for example, it can use the construction and material of conventional peeling knife.The peeling knife 3 will typically have
Certain rigidity so that it can be in the interior length direction extension along the catheter body 2 of the catheter body 2 without contacting institute
The inwall of catheter body 2 is stated, its material can use such as metal (such as stainless steel).
In the utility model, the peeling knife 3 has cutter head 4, and the cutter head 4 is preferably disposed on the catheter body 2
Leading section.Perforate 5 is provided with the position of the cutter head 4 corresponding to the peeling knife 3 of the catheter body 2, the perforate 5
One of function be that the cutter head 4 for enabling the peeling knife 3 contacts thrombus in blood vessel.For quantity, the shape of the perforate 5
Shape, size can be not particularly limited, as long as above-mentioned functions can be realized.In non-limiting manner, the perforate 5 can be one
Can also be multiple, in the case where the perforate 5 is multiple, preferably (symmetry axis is the catheter body 2 for axial symmetry distribution
Axis).The shape of the perforate 5 can be rectangle, rhombus, ellipse, wicker leaf shape or circle.The big I of the perforate 5
With the length of the cutter head 4 equal to or slightly less than the peeling knife 3.
The peeling knife 3 can also have the hilt 6 extended on the length direction of the catheter body 2.For example, can be with
The cutter head 4 of the peeling knife 3 is driven to be rotated by rotating the hilt 6.Preferably, the hilt 6 has helical segments
61.The helical segments 61 can play a part of guiding gutter, the thrombus of excision is more quickly arranged to after the catheter body 2
End.
It can for example be rotated by peeling knife 3 described in crank manually handle in the catheter body 2, but the preferably rotation
The rear end of cutting knife 3 is connected with motor so that the peeling knife 3 can be rotated under the driving of the motor.
Preferably, the rearward end of the catheter body 2 has conduit branch road 9 so that the catheter body 2 can be by this
Conduit branch road 9 is connected with negative suction system.So can be to applying negative pressure in the catheter body 2, by the thrombus of excision more
Promptly discharge.It is not particularly limited for the negative suction system, as long as can be applied to apply the conduit tube component 1
Negative pressure.Preferably, the negative suction system can include Blood bottle, and the Blood bottle has negative pressure aspirator connector,
The Blood bottle is connected by the negative pressure aspirator connector with negative pressure aspirator.
Therefore, in another aspect, the utility model provides a kind of thrombus biopsy system, and it includes of the present utility model lead
Tube assembly 1 and the conduit branch road 9 for passing through the rearward end positioned at the catheter body 2 with the catheter body 2 of the conduit tube component 1
The negative suction system being connected.Preferably, the negative suction system includes Blood bottle and negative pressure aspirator, the Blood bottle
It is connected with the conduit branch road 9 of the rearward end positioned at the catheter body 2, and the Blood bottle has negative pressure aspirator connection
Mouthful, the Blood bottle is connected by the negative pressure aspirator connector with negative pressure aspirator.
Embodiment
Hereinafter, more specific description is carried out to the utility model by embodiment, but the utility model is not implemented by these
The limitation of example.
The making of the thrombus biopsy system of embodiment 1
The thrombus biopsy system possesses：There is cone shaped opening rigid plastics catheter body, the front end of the catheter body, and this is led
Be provided with stainless steel peeling knife in tube body, the peeling knife have diameter be slightly less than the catheter body diameter cutter head, with
And the bistoury handle extended in the catheter body, the rear end of the hilt is connected with the rotary head of electric rotating motivation, the conduit
Tightly entangle the rotary head of the electric rotating motivation, the position of the cutter head corresponding to the peeling knife of the catheter body in the rear end of body
With around the periphery of the catheter body each other in 120。Three oval apertures of distribution, the major diameter of the perforate is slightly less than institute
The length of the cutter head of peeling knife is stated, the rearward end of the catheter body has a conduit branch road；And negative suction system, this is born
Pressure aspirator possesses Blood bottle and negative pressure aspirator, and the Blood bottle is connected with the conduit branch road of the catheter body rear end,
The negative pressure aspirator is connected by the negative pressure aspirator connector of the Blood bottle with the Blood bottle.
Embodiment 2
Manual manufacture vascular thrombosis formation model (20cm length, diameter 1cm thrombus), uses the thrombus rotary-cut of embodiment 1
System carries out thrombus rotary-cut, 2 minutes can rotary-cut aspirate all thrombus, recovery pipeline is unobstructed.After the completion of thrombus rotary-cut suction,
The artificial blood vessel is scratched with scalpel, its inwall is cleaned with water, is then observed with magnifying glass, has no what peeling knife was caused
Cut.
It should also be noted that, on the premise of it can implement and substantially not run counter to purport of the present utility model, in this explanation
Equally can also in book as the combination of any technical characteristic or technical characteristic described by the composition part of a certain technical scheme
Suitable for other technical schemes；Also, on the premise of it can implement and substantially not run counter to purport of the present utility model, it is used as difference
It can also be combined in any way between technical characteristic described by the composition part of technical scheme, to constitute other technologies
Scheme.The utility model be also contained in it is above-mentioned in the case of by technical scheme obtained from combination, and these technical scheme phases
When in record in this manual.
The utility model is illustrated above by embodiment and embodiment, but those skilled in the art should
It should be appreciated that, these are not intended to be defined scope of the present utility model, and scope of the present utility model should be wanted by right
Book is asked to determine.
Industrial applicibility
According to the utility model, using the teaching of the invention it is possible to provide one kind can reduce injury of blood vessel and suitable for processing phlebothrombosis and arterial blood
The thrombus removal conduit tube component and thrombus removal system of bolt.
Claims (10)
1. a kind of conduit tube component for thrombus rotary-cut, the conduit tube component includes：Catheter body and it is arranged at the catheter body
Interior peeling knife, the peeling knife has cutter head, and the position of the cutter head corresponding to the peeling knife of the catheter body has
Perforate.
2. conduit tube component according to claim 1, wherein, the cutter head of the peeling knife is arranged at before the catheter body
End.
3. conduit tube component according to claim 1, wherein, the cutter head width of the peeling knife is slightly less than the catheter body
Diameter.
4. conduit tube component according to claim 1, wherein, the peeling knife has the length direction in the catheter body
The hilt of upper extension.
5. conduit tube component according to claim 4, wherein, the hilt has helical segments.
6. conduit tube component according to claim 1, wherein, the rear end of the peeling knife is connected with motor so that described
Peeling knife can be rotated under the driving of the motor.
7. conduit tube component according to claim 1, wherein, the front end of the catheter body has an opening.
8. conduit tube component according to claim 1, wherein, the rearward end of the catheter body has conduit branch road so that
The catheter body can be connected by the conduit branch road with negative suction system.
9. a kind of thrombus biopsy system, it include conduit tube component according to any one of claims 1 to 8 and with the conduit
The negative suction system that the catheter body of component is connected by the conduit branch road of the rearward end positioned at the catheter body.
10. thrombus biopsy system according to claim 9, wherein, the negative suction system includes Blood bottle and negative pressure
Aspirator, the Blood bottle is connected with the conduit branch road of the rearward end positioned at the catheter body, and the Blood bottle has
Negative pressure aspirator connector, the Blood bottle is connected by the negative pressure aspirator connector with negative pressure aspirator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621337054.8U CN206565992U (en) | 2016-12-07 | 2016-12-07 | Conduit tube component and thrombus biopsy system for thrombus rotary-cut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621337054.8U CN206565992U (en) | 2016-12-07 | 2016-12-07 | Conduit tube component and thrombus biopsy system for thrombus rotary-cut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206565992U true CN206565992U (en) | 2017-10-20 |
Family
ID=60063814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621337054.8U Active CN206565992U (en) | 2016-12-07 | 2016-12-07 | Conduit tube component and thrombus biopsy system for thrombus rotary-cut |
Country Status (1)
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|---|---|
| CN (1) | CN206565992U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523967A (en) * | 2018-01-15 | 2018-09-14 | 温州市人民医院 | A kind of Venous cancerous embolus suction device |
| CN108553741A (en) * | 2018-05-15 | 2018-09-21 | 潍坊学院 | A kind of angiocarpy interposing catheter device |
| CN110811763A (en) * | 2019-11-25 | 2020-02-21 | 上海澳华光电内窥镜有限公司 | Fetching catheter and method for endoscope |
-
2016
- 2016-12-07 CN CN201621337054.8U patent/CN206565992U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523967A (en) * | 2018-01-15 | 2018-09-14 | 温州市人民医院 | A kind of Venous cancerous embolus suction device |
| CN108523967B (en) * | 2018-01-15 | 2019-06-18 | 温州市人民医院 | A kind of Venous cancerous embolus suction device |
| CN108553741A (en) * | 2018-05-15 | 2018-09-21 | 潍坊学院 | A kind of angiocarpy interposing catheter device |
| CN108553741B (en) * | 2018-05-15 | 2021-03-16 | 西南医科大学附属医院 | Cardiovascular intervention catheter device |
| CN110811763A (en) * | 2019-11-25 | 2020-02-21 | 上海澳华光电内窥镜有限公司 | Fetching catheter and method for endoscope |
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