KR101222707B1 - a catheter for redirecting of guide wire and method redirecting using thereof - Google Patents

a catheter for redirecting of guide wire and method redirecting using thereof Download PDF

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Publication number
KR101222707B1
KR101222707B1 KR1020100020508A KR20100020508A KR101222707B1 KR 101222707 B1 KR101222707 B1 KR 101222707B1 KR 1020100020508 A KR1020100020508 A KR 1020100020508A KR 20100020508 A KR20100020508 A KR 20100020508A KR 101222707 B1 KR101222707 B1 KR 101222707B1
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KR
South Korea
Prior art keywords
guide wire
catheter
hole
changing
hub
Prior art date
Application number
KR1020100020508A
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Korean (ko)
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KR20110101489A (en
Inventor
박홍석
서수원
도영수
박광보
Original Assignee
사회복지법인 삼성생명공익재단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020100020508A priority Critical patent/KR101222707B1/en
Priority to PCT/KR2011/001587 priority patent/WO2011111978A2/en
Publication of KR20110101489A publication Critical patent/KR20110101489A/en
Application granted granted Critical
Publication of KR101222707B1 publication Critical patent/KR101222707B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14598—Coating tubular articles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0169—Exchanging a catheter while keeping the guidewire in place
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0172—Exchanging a guidewire while keeping the catheter in place
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor
    • B29L2031/7542—Catheters

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

Disclosed are a guide wire direction catheter and a guide wire direction change method using the same. The catheter for changing the direction of the guide wire is a catheter for changing the direction of the guide wire for inserting the therapeutic catheter in a direction different from the initial insertion direction by changing the direction of the guide wire inserted into the body through one puncture site. It consists of a hub having an inlet and a flexible tubular member extending in the longitudinal direction from the end of the hub and having an outlet at the end, the tubular member is provided with a turning hole for changing the direction of the guide wire. In the process of changing the direction of the guide wire by using the catheter, the surgical catheter is removed and removed while the guide wire and the surgical catheter are inserted into the body, and the direction catheter is inserted along the guide wire. The guide wire is pulled out so that the end of the wire is located in the turning hole, the guide wire is pushed through the turning hole in the direction to be switched, and the guide wire is inserted in a direction different from the initial insertion direction. This is completed by removing a portion of the redirection catheter and removing the redirection catheter from the guide wire. This provides the effect of quickly and easily inserting the catheter in various directions, for example in the direction opposite to the initial insertion, by using the punctured place.

Description

Catheter for redirection of guide wire and guide wire redirection method using same

The present invention relates to a catheter for changing the direction of the guide wire and a method of changing the direction of the guide wire using the same, in particular, the direction so that the direction can be changed in the opposite direction in which the guide wire is inserted in the state of opening only one portion of the blood vessel during the interventional procedure It relates to a guide wire direction change catheter having a switching hole and a guide wire direction change method using the same.

In general, the interventional procedure involves inserting a guide wire into the body (vessels, etc.) and inserting a therapeutic catheter along the guide wire. Since the catheter inserted into the procedure is inserted along the guide wire, the insertion position may be defined by the guide wire. When the catheter is inserted, the guide wire is removed and the catheter is used to complete the desired procedure. Then, when the procedure is completed, the catheter is removed and removed, and the procedure is completed by closing the punctured portion.

If another type of catheter is to be inserted during the procedure, the guide wire is inserted again through the inserted catheter and the catheter is removed and removed. The desired catheter is then inserted along the guide wire. Therefore, the catheter suitable for treatment can be changed while the guide wire is inserted.

On the other hand, according to clinical needs, there is a case where a procedure is required by inserting a catheter in a direction opposite to the direction in which the guide wire is inserted. In addition, when it is necessary to insert the catheter into the blood vessel extending in one direction and the blood vessel exiting in the other direction, there is an inconvenience of closing the already punctured part and repeating the above process by puncturing another part again.

That is, when the catheter is inserted and operated in the direction opposite to the direction in which the catheter is inserted, there is no inconvenience in that a new puncture must be performed again because no technical means for switching the catheter is provided.

The present invention has been made to solve the above technical problem, the technical problem of the present invention by using a single punctured place such as blood vessels, for example, the opposite direction of the first inserted direction, or branched direction The present invention provides a means for inserting a catheter.

In order to solve the above technical problem, the present invention,

A catheter for reversing the direction of a guide wire for inserting a therapeutic catheter in a direction different from the initial insertion direction by changing the direction of the guide wire inserted into the body through one puncture site,

And a hub having an inlet, and a flexible tubular member extending in a longitudinal direction from the end of the hub and having an outlet at the end, wherein the tubular member is provided with a turning hole for changing the direction of the guide wire. Provided is a catheter for turning wires.

At this time, it characterized in that it further comprises an auxiliary catheter for changing the position of the area between the turning hole and the hub.

The auxiliary catheter may be made of a hard synthetic resin material or a metal material.

On the other hand, between the turning hole and the hub is characterized in that the reversing member made of a hard synthetic resin material or metal material for changing the position of the area between the turning hole and the hub is integrally provided or detachable.

In addition, the direction change hole is made of one or more, it may be made of a circular or long hole shape, rectangular, polygonal and the like.

And, the size of the turning hole is characterized in that 0.5mm-30mm.

On the other hand, as a method of changing the direction of the guide wire using a guide wire direction catheter,

a) removing and removing the surgical catheter while the guide wire and the surgical catheter are inserted into the body;

b) when the surgical catheter is removed, inserting the diverting catheter along the guide wire, with the diverting hole facing the direction to be diverted;

c) removing the guide wire so that the end of the guide wire is located in the turning hole;

d) when the end of the guide wire is located in the direction change hole to push the guide wire in the direction to be switched through the direction change hole; And

e) removing a portion of the guide wire and the redirection catheter in a state where the guide wire is inserted in a direction different from the initial insertion direction, and then removing the redirection catheter from the guide wire. Provides a method of redirection of the guide wire.

At this time, step d),

Inserting an auxiliary catheter into the catheter for turning along the guide wire when the end of the guide wire is located in the turning hole, the end of the guide wire being close to the turning hole; And

And tilting the auxiliary catheter in a direction opposite to a direction to be switched so that an end portion of the guide wire faces a direction to be changed through the turning hole opened toward the direction to be changed.

Step b),

When the end of the guide wire is located in the direction change hole inclined in the opposite direction of the direction to change the direction change member integrated with a portion of the direction change catheter said end of the guide wire is open toward the direction to be switched It characterized in that it further comprises the step of facing the direction to be converted through the turning hole.

According to the guide wire direction catheter according to the present invention,

The catheter can be inserted in multiple directions, for example, in the opposite direction to the initial insertion, or in a branched direction, using a single punctured place such as a blood vessel, thereby inserting a new puncture and a new catheter and guide wire. There is no need, and this can significantly reduce the procedure time and provide convenience to the patient and the operator. In addition, the treatment supplies required for the treatment is reduced to give the patient an economic benefit, and by reducing the puncture part of the body to provide an effect that can alleviate the physical burden of the patient.

1 is a perspective view showing a catheter for changing the direction of the guide wire according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view of the catheter for changing the direction of the guide wire shown in FIG. 1. FIG.
3A, 3B, 3C, 3D, 3E, and 3F are schematic cross-sectional views illustrating a process of changing a direction of a guide wire using the catheter for changing the direction of the guide wire shown in FIG. 1.
Figures 4a, 4b is a view showing various embodiments of the turning hole shown in FIG.
5A and 5B are cross-sectional views showing a second preferred embodiment of the present invention.

Referring to each preferred embodiment of the present invention having the features as described above in detail based on the accompanying drawings as follows.

First, in the accompanying drawings, Figure 1 is a perspective view showing a guide wire direction change catheter according to a first embodiment of the present invention, Figure 2 is a cross-sectional view showing the guide wire direction change catheter shown in FIG. to be.

The catheter for changing the direction of the guide wire shown in FIGS. 1 and 2 changes the direction of the guide wire 60 inserted into the body through one puncture site, thereby treating the catheter 40 in a direction different from the initial insertion direction. It is to insert. That is, the insertion direction of the guide wire 60 at one puncture site can be easily switched so that the treatment catheter 40 can be easily inserted into another treatment site.

This diverting catheter 30 has a hub 32 having an inlet 31 as shown in FIGS. 1 and 2, and extends longitudinally from an end of the hub 32 and an outlet 33 at the end. It consists of a flexible tubular member 34 having. In addition, the tubular member 34 is provided with a turning hole 36 for changing the direction of the guide wire 60.

The turning hole 36 is formed to open in one direction in the middle region of the tubular member 34, and has a long hole shape. However, the present invention is not limited thereto, and may be formed in various forms and various positions.

That is, it may have a form as shown in Figure 4a, 4b. One turning hole 36 may be drilled as shown in 4a, or may be formed in a long hole shape as shown in 4b, and although not shown in the drawings, a plurality of turning holes may be punched. The ball may be drilled radially.

In this way, since the direction change hole 36 may be formed in various shapes and various positions, the direction change of the guide wire 60 is free, and thus, the guide wire 60 may be inserted in various directions.

In addition, the size of the turning hole 36 may vary depending on its shape. However, the size consists of approximately 0.5 mm-30 mm. If 0.5 mm or less, it may interfere with the movement of the guide wire 60, and when the length is 30 mm or more, the length of the catheter itself increases. In this case, the size of the turning hole 36 means the length of the tubular member 34 in the case of a long hole shape, and the size of the diameter in the case of a circular hole.

On the other hand, the redirection catheter 30 is formed of a free bending material. Therefore, the bending is easy when changing the direction of the guide wire 60, but can be bent too easily, an auxiliary catheter 50 as shown in Figures 1 and 2 may be further provided. The auxiliary catheter 50 is made of a metal material, a synthetic resin material, etc., is made of a size that can be made integrally with the direction change catheter 30 or fitted inside, in a similar form to the direction change catheter 30 Is formed.

The process of switching the direction of the guide wire 60 using the guide wire direction switching catheter 30 according to the preferred embodiment of the present invention configured as described above will be described.

In order to change the direction of the guide wire 60 using the guide wire direction switching catheter 30 as described above, as shown in FIG. 3A, the guide wire 60 and the catheter 40 for the procedure Remove the surgical catheter 40 in the inserted state. That is, the surgical catheter 40 is already inserted into the body and the procedure is completed, and when the affected part in the opposite direction to the surgical site, the surgical catheter 40 except for the guide wire 60 is removed and removed.

Subsequently, when the surgical catheter 40 is removed, as shown in FIG. 3B, the direction catheter 30 is inserted along the guide wire 60 already installed, and the direction change hole 36 is to be switched. To the side. That is, the direction changing hole 36 is inserted in a state in which the direction changing hole 36 faces the direction to be switched so that the guide wire 60 is opened in the direction to be inserted again. In addition, the turning hole 36 does not leave the punctured area. For example, it is preferable that the turning hole 36 is located inside the puncture region of the blood vessel.

Subsequently, as shown in FIG. 3C, the guide wire 60 is pulled out so that the end of the guide wire 60 is located in the direction change hole 36. This is for inserting the guide wire 60 in the other direction.

On the other hand, when the end of the guide wire 60 is located in the direction change hole 36, as shown in Figure 3d pushes the guide wire in the direction to switch through the direction change hole.

At this time, when the end of the guide wire 60 is located in the turning hole 36, as shown in 3d, the auxiliary catheter 50 is inserted into the turning catheter 30 along the guide wire 60, Inserted so that the end thereof is close to the turning hole (36). Then, the auxiliary catheter 50 is inclined in a direction opposite to the direction to be switched so that the end of the guide wire 60 faces the direction to be switched through the direction change hole 36 open to the direction to be switched.

At this time, when the direction change member 70 is provided in place of the auxiliary catheter 50, when the end of the guide wire 60 is located in the direction change hole 36, it is integrated with a part of the direction change catheter 30 The direction change member 70 is inclined in the opposite direction to the direction to be turned so that the end of the guide wire 60 faces the direction to be switched through the direction change hole 36 opened toward the direction to be changed.

Subsequently, as shown in FIG. 3E, the guide wire 60 is pushed in the direction to be newly treated.

Meanwhile, as shown in 3f, a part of the guide wire 60 and the direction changing catheter 30 are removed from the guide wire 60 while the guide wire 60 is inserted in a direction different from the initial insertion direction. Remove the redirection catheter 30.

This completes the change of direction of the guide wire 60.

Subsequently, the surgical catheter 40 to be treated is inserted along the guide wire 60 whose direction is changed, and then the affected part is treated.

As described above, only one part of the body is punctured, and the direction of the catheter guide wire can be quickly and easily changed by using the direction catheter 30 through the one puncture region.

5A and 5B show a second preferred embodiment of the present invention.

The direction change catheter 30 illustrated in FIG. 5A is provided with a direction change member 70 integrated therein between the direction change hole 36 and the hub 32. That is, the turning member 70 for changing the position of the region between the turning hole 36 and the hub 32 is made of hard synthetic resin material or metal material and integrally coupled to the turning catheter 30 by the insert injection method. Except for the same as in the above-described embodiment.

In addition, as shown in FIG. 5B, the redirection member 70 made of a hard synthetic resin material or a metal material may be formed in an integrated structure while surrounding the hub 32 region and a portion of the tubular member 34. At this time, the direction switching member 70 may be formed in a state in which one side is opened to elastically wrap a portion of the tubular member 34, it may be formed in a cylindrical shape. The turning member 70 of this embodiment may be detachably coupled.

As described above, since the redirection member 70 for easily reversing the direction of the redirection catheter 30 is provided integrally with the redirection catheter 30, the manufacturing cost may be reduced and the working procedure may be reduced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious to those who have. Therefore, such modifications or variations are not to be understood individually from the technical spirit or point of view of the present invention, the modified embodiments will belong to the claims of the present invention.

30: direction change catheter 31: entrance
32: hub 33: exit
34: tubular member 36: direction change hole
40: surgical catheter 50: auxiliary catheter
70: direction change member

Claims (12)

delete A catheter for reversing the direction of a guide wire for inserting a therapeutic catheter in a direction different from the initial insertion direction by changing the direction of the guide wire inserted into the body through one puncture site,
And a hub having an inlet, and a flexible tubular member extending in the longitudinal direction from the end of the hub and having an outlet at the end, wherein the tubular member has a turning hole for changing the direction of the guide wire in the form of a circular hole or a long hole. With one or more arrangements,
And a secondary catheter inserted into the inlet to change the position of the region between the turning hole and the hub. The method of claim 2,
The auxiliary catheter is a guide wire direction change catheter, characterized in that made of a hard synthetic resin material or metal material. A catheter for changing the direction of a guide wire for inserting a therapeutic catheter in a direction different from the initial insertion direction by changing the direction of the guide wire inserted into the body through one puncture site,
And a hub having an inlet, and a flexible tubular member extending in the longitudinal direction from the end of the hub and having an outlet at the end, wherein the tubular member has a turning hole for changing the direction of the guide wire in the form of a circular hole or a long hole. With one or more arrangements,
Catheter for changing the direction of the guide wire and the hub is provided with a reversing member made of a hard synthetic resin material or a metal material for changing the position of the area between the turning hole and the hub integrally or detachably provided . 5. The method of claim 4,
The redirection member is a guide wire direction change catheter is provided between the hub and the direction change hole by the insert injection method. 5. The method of claim 4,
The redirection member is a guide wire redirection catheter, characterized in that coupled to the outer wrap between the hub and the turning hole is detachably coupled. 5. The method of claim 4,
The direction change hole,
In the case of the long hole shape the length of the tubular member is 0.5mm-30mm,
The catheter for changing the direction of the guide wire, characterized in that in the case of a circular hole shape, the diameter is 0.5mm-30mm. delete The method of claim 2,
The direction change hole,
In the case of the long hole shape the length of the tubular member is 0.5mm-30mm,
The catheter for changing the direction of the guide wire, characterized in that in the case of a circular hole shape, the diameter is 0.5mm-30mm. A method of redirection of a guide wire using the catheter for redirection of the guide wire according to any one of claims 2 to 7, wherein
a) removing and removing the surgical catheter while the guide wire and the surgical catheter are inserted into the body;
b) when the surgical catheter is removed, inserting the diverting catheter along the guide wire, with the diverting hole facing the direction to be diverted;
c) removing the guide wire so that the end of the guide wire is located in the turning hole;
d) when the end of the guide wire is located in the direction change hole to push the guide wire in the direction to be switched through the direction change hole; And
e) removing a portion of the guide wire and the redirection catheter in a state where the guide wire is inserted in a direction different from the initial insertion direction, and then removing the redirection catheter from the guide wire. How to change the direction of the guide wire. The method of claim 10,
In step d),
Inserting an auxiliary catheter into the catheter for turning along the guide wire when the end of the guide wire is located in the turning hole, the end of the guide wire being close to the turning hole; And
And inclining the auxiliary catheter in a direction opposite to a direction to be switched so that an end of the guide wire faces a direction to be changed through the turning hole opened to the direction to be changed. How to redirect wires. The method of claim 10,
In step d),
When the end of the guide wire is located in the direction change hole inclined in the opposite direction of the direction to change the direction change member integrated with a portion of the direction change catheter said end of the guide wire is open toward the direction to be switched The direction of the direction of the guide wire further comprises the step of facing the direction to be switched through the turning hole.


KR1020100020508A 2010-03-08 2010-03-08 a catheter for redirecting of guide wire and method redirecting using thereof KR101222707B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020100020508A KR101222707B1 (en) 2010-03-08 2010-03-08 a catheter for redirecting of guide wire and method redirecting using thereof
PCT/KR2011/001587 WO2011111978A2 (en) 2010-03-08 2011-03-08 Catheter for changing insertion direction of guide wire and method for using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100020508A KR101222707B1 (en) 2010-03-08 2010-03-08 a catheter for redirecting of guide wire and method redirecting using thereof

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Publication Number Publication Date
KR20110101489A KR20110101489A (en) 2011-09-16
KR101222707B1 true KR101222707B1 (en) 2013-01-17

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WO (1) WO2011111978A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210064542A (en) 2019-11-26 2021-06-03 부산대학교 산학협력단 Monitoring Device of Guidewire Using Arrayed Magnetic Sensors Pad

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102207685B1 (en) * 2019-05-31 2021-01-26 (주) 타우피엔유메디칼 His sensing catheter with snare
CN114082078A (en) * 2021-10-25 2022-02-25 中山大学孙逸仙纪念医院 Method for replacing sheath tube

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884011A (en) * 1973-04-10 1975-05-20 Affiliated Hospital Prod Method of assembly of catheter package
JPH06114113A (en) * 1992-10-01 1994-04-26 Buaayu:Kk Catheter sheath
JPH07265432A (en) * 1994-03-29 1995-10-17 Hanako Medical Kk Work hardening type non-shape memory alloy catheter
JP2003520080A (en) * 2000-01-07 2003-07-02 アシスト メディカル システムズ， インコーポレイテッド Anti-recoil catheter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884011A (en) * 1973-04-10 1975-05-20 Affiliated Hospital Prod Method of assembly of catheter package
JPH06114113A (en) * 1992-10-01 1994-04-26 Buaayu:Kk Catheter sheath
JPH07265432A (en) * 1994-03-29 1995-10-17 Hanako Medical Kk Work hardening type non-shape memory alloy catheter
JP2003520080A (en) * 2000-01-07 2003-07-02 アシスト メディカル システムズ， インコーポレイテッド Anti-recoil catheter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210064542A (en) 2019-11-26 2021-06-03 부산대학교 산학협력단 Monitoring Device of Guidewire Using Arrayed Magnetic Sensors Pad

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WO2011111978A2 (en) 2011-09-15
WO2011111978A3 (en) 2012-01-05
KR20110101489A (en) 2011-09-16

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