JP2008080047A - Guide wire insertion system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide wire insertion system which has a good operability, requiring no change of one's hand for holding it at the time of shifting from puncture operation to wire insertion operation in performing a series of operations for inserting a guide wire into a blood vessel. <P>SOLUTION: A guide wire insertion system 1, comprising a guide wire supply part 3 having a guide wire storage portion 5 for storing a guide wire, and a puncture tool 4, is provided with a connecting member 9 for anchoring the guide wire storage 5 and the puncture tool 4, so that a safe insertion operation requiring no change of one's hand for holding it can be ensured. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a guide wire insertion system for inserting a guide wire into a blood vessel.

  Conventionally, when a guide wire is inserted into a blood vessel, the guide wire is inserted into a cannula previously inserted into the blood vessel, and then the guide wire is pushed forward to insert the guide wire into the blood vessel.

  The guide wire is inserted into the blood vessel by a doctor or nurse, and is performed manually and consistently according to the patient's body shape, blood vessel condition, insertion location, etc. A guide wire insertion system is used. For example, there is a guide wire insertion system that includes a guide wire, a guide wire storage portion that stores the guide wire, and a delivery / introduction member that is detachably attached (fixed) to the guide wire storage portion. In this configuration, as shown in FIG. 6, a space (gripping space) for gripping and operating the guide wire with fingers is formed by separating the guide wire sending portion and the guide wire introducing portion by a predetermined distance. The guide wire can be directly gripped with fingers and easily and reliably operated with one hand (see, for example, Patent Document 1).

Registered Utility Model No. 2601155 (FIG. 3)

  However, in the guide wire insertion system 110 of Patent Document 1 shown in FIG. 6, the puncture needle 141 provided on the distal end side of the hub 143 of the puncture device 140 is first punctured at a predetermined site of the patient, After a series of operations such as sucking blood with the syringe 142 provided on the end side, the guide wire 120 is inserted into a predetermined position in the blood vessel by grasping with fingers, but it is necessary to hold the syringe 142 in the previous operation In addition, since it is necessary to hold the guide wire storage unit 150 in the subsequent work, it is necessary to change from one finger to the other. The operation of holding the puncture needle 141 in the blood vessel and holding the puncture needle 141 while maintaining the state in which the blood is sucked by the syringe 142 requires skill and takes the entire process. There was a break and it was necessary to be more careful in performing certain work.

Further, since it is necessary to hold the guide wire storage unit 150 and insert the guide wire 120 into a predetermined position in the blood vessel in the subsequent work, a puncture device including the syringe 142 and the puncture needle 141 is required to secure a working space. Since 140 is positioned outside the guide wire storage portion 150 having a substantially annular shape, there is a problem that the balance is poor and it is difficult to grip. For this reason, the said operation | work required a certain skill.
The present invention provides a guide wire insertion system with good workability that can be more reliably operated for inserting a guide wire into a blood vessel.

  In order to solve the above-mentioned problem, a guide wire insertion system according to claim 1 of the present invention has a guide wire storage part for storing a guide wire, and a guide wire from which the guide wire stored in the guide wire storage part is sent out. A guide wire feeder having a feed-out part and a guide-wire introduction part through which a guide wire fed from the guide-wire feed-out part is inserted and through which the guide wire is fed out from the outlet of the through-hole; A puncture device to which a guide wire introducing portion is connected, and a connecting member fixed to the guide wire storage portion and fixing the puncture device and the guide wire storage portion.

  According to the above configuration, since the positional relationship between the guide wire storage portion of the guide wire supply tool and the puncture tool is fixed, the guide wire supply tool is connected to the puncture tool before the puncture operation. be able to.

  That is, conventionally, after a series of operations such as hand-holding, for example, puncturing the puncture needle of the puncture device at a predetermined site of the patient first and sucking blood with a syringe, The operation of grasping with a finger and inserting the guide wire into a predetermined position in the blood vessel can be a continuous operation that does not change. In addition, since the puncture device and the guide wire storage portion are fixed, they are integrated and easy to balance the center of gravity.

  In the guide wire insertion system according to claim 2 of the present invention, the guide wire introduction part has a first fixing part for fixing to the guide wire storage part, and the guide wire delivery part stores the guide wire. It has the 2nd fixing | fixed part for fixing to a part, The said 1st fixing | fixed part and the said 2nd fixing | fixed part are connected, It is characterized by the above-mentioned.

  According to the said structure, the said 1st fixing | fixed part and the said 2nd fixing | fixed part are connected along the circular arc of the said guide wire accommodating part, The positional relationship between the structural parts of a guide wire insertion system is obtained. Can be clear.

  The guide wire insertion system according to claim 3 of the present invention is characterized in that the connecting member and the guide wire introducing portion are connected.

  According to the above configuration, since the positional relationship of the guide wire introducing portion, the guide wire sending portion, the guide wire storage portion, the puncture device, and the like is maintained by the connection, even a less experienced person can perform reliable work. It becomes easy to carry out.

  The guide wire insertion system according to claim 4 of the present invention is characterized in that the connecting member detachably fixes the guide wire storage part and the puncture device. According to the said structure, the said guide wire accommodating part and the said puncture tool can be replaced | exchanged easily.

  The guide wire insertion system according to claim 5 of the present invention is characterized in that the guide wire storage portion is formed by spirally or spirally winding a tubular body in which the guide wire is stored.

  According to the above configuration, the tubular body of the guide wire storage unit is spirally or spirally wound, and the guide wire storage unit and the puncture device are crossed and connected by the connecting member, thereby substantially The space in the center of the annular guide wire storage part can be used effectively, the whole can be made compact, and the center of gravity can be easily balanced. A close positional relationship can be formed even for a work of gripping with a finger after a series of work such as sucking blood with a syringe and inserting a guide wire into a predetermined position in a blood vessel.

  According to the guide wire insertion system of the present invention, when the guide wire is inserted into a predetermined position in the blood vessel, the syringe can be easily held with fingers while holding the guide wire storage portion, and then guided from the puncture. When shifting to the operation of inserting the wire, it is not necessary to change the holding. Therefore, the puncture needle is not detached from the blood vessel, the time required for the entire process can be shortened, and a reliable operation can be performed without interruption of the continuity of the operation due to the change of holding.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an overall perspective view showing an embodiment of the guide wire insertion system of the present invention. FIG. 2 is a side view showing a part of the guide wire supply tool, a part of the puncture tool, and a connecting member of the present embodiment shown in FIG. FIG. 3 is an example of a connecting member in the present embodiment.

  As shown in FIG. 1, the guide wire insertion system 1 includes a guide wire supply device 3 that supplies a guide wire 2, a puncture device 4 that is detachably connected to the guide wire supply device 3, and a connecting member 9. An instrument (device) for inserting the guide wire 2 into the blood vessel.

  The guide wire supply tool 3 includes a guide wire storage portion (guide wire case) 5 that stores the guide wire 2, an introduction portion 7 that is detachably attached (fixed) to the guide wire storage portion 5, and a delivery portion 8. is doing.

  The guide wire storage unit 5 has a flexible tube (tubular body) 51 in which the guide wire 2 is stored (inserted), and the tubular body 51 is wound in a spiral shape or a spiral shape and bundled. ing. The number of turns (winding amount) of the tubular body 51 is not particularly limited, but in FIG.

The introduction portion 7 is fixed to the guide wire storage portion 5 by a first fixing portion 71 and an arm portion 73 which will be described later, and one end of the introduction portion 7 is a hub 43 (the valve-equipped port portion 44, see FIG. 2) which will be described later. Are combined.
The delivery portion 8 is fixed to the guide wire storage portion 5 by a second fixing portion 81 described later.

  The guide wire 2 stored in the guide wire storage unit 5 is sent to the sending unit 8, and the introduction unit 7 receives the guide wire 2 sent from the sending unit 8, and sends the guide wire 2 to the hub 43 (branch connector). ) Send in the direction. The delivery portion 8 and the introduction portion 7 are separated from each other by a predetermined distance.

  As shown in FIG. 2, the introduction part 7 has a cylindrical introduction part main body 710. The opening (base end opening) on the delivery portion 8 side of the hole (through hole) 711 formed in the introduction portion main body 710 constitutes the inlet 712 of the guide wire 2, and the opening on the distal end (tip opening) is The outlet 713 of the guide wire 2 is configured.

  As shown in FIG. 2, an arm portion 73 is formed in the introduction portion 7, and a fixing portion (first fixing portion) 71 is provided on the guide wire storage portion 5 side of the arm portion 73. .

  A plurality of grooves are formed in the fixing portion 71 as shown in FIG. 1 and are detachably mounted (fixed) so that the tubular body 51 of the guide wire storage portion 5 fits into the groove and is held. Is done. Thereby, the introduction part 7 is detachably fixed to the guide wire storage part 5 via the fixing part 71, and the tubular body 51 of the guide wire storage part 5 is wound in a spiral shape or a spiral shape and bundled. In this state, it is held by the fixing portion 71.

  In addition, a fixed portion (second fixed portion) 81 is provided at the end of the delivery portion 8 opposite to the fixed portion 71. A plurality of grooves are formed in the fixing portion 81 similarly to the fixing portion 71, and the tubular body 51 of the guide wire storage portion 5 is detachably mounted (fixed) in each groove as shown in FIG. )

  As a result, the delivery portion 8 is detachably fixed to a portion different from the introduction portion 7 of the guide wire storage portion 5 via the fixing portion 81, and the tubular body 51 of the guide wire storage portion 5 is formed in a spiral shape. Or it is wound by the spiral shape and is held by the fixing portion 81 in a bundled state.

  Moreover, the fixing | fixed part 71 and the fixing | fixed part 81 are connected by the connection part 82, as shown in FIG. As shown in FIGS. 1 and 2, the connecting portion 82 has an arc shape substantially similar to the arc of the guide wire storage portion 5.

  The puncture device 4 includes a hollow puncture needle (hollow needle) 41 having a sharp needle tip, a syringe 42 (see FIG. 1), and a tongue shape (Y shape) provided between the puncture needle 41 and the syringe 42. ) Hub 43 (branch connector).

  The hub 43 includes a first cylindrical body 431 and a second cylindrical body 432 provided in the middle of the first cylindrical body 431. The second tubular body 432 is inclined with respect to the first tubular body 431 toward the proximal end (so that the proximal end side of the second tubular body 432 is positioned upward), and has a valve at the proximal end. A body port portion 44 is provided.

Next, the connecting member 9 will be described with reference to FIGS.
As shown in FIG. 1, the guide wire storage portion 5 and the puncture device 4 cross each other, and the connecting member 9 is arranged at the crossing portion to fix the guide wire storage portion 5 and the puncture device 4 as described later. ing.

  The connecting member 9 has a structure as shown in FIG. 3, for example, and has a C-shaped syringe gripping member 91 that is partially open on the circumference for gripping the cylindrical syringe 42 of the puncture device 4. The tube guide member 92 includes a groove that is coupled to the syringe gripping member 91 and has a groove that determines and holds the winding direction of the tubular body 51 of the guide wire storage unit 5 wound in a spiral shape or a spiral shape.

  The diameter of the cylindrical portion of the syringe gripping member 91 is slightly larger than the outer diameter of the syringe 42 to be gripped, and the syringe 42 is made into a C-shape with a part of the circumference open. After insertion into the cylindrical portion of the gripping member 91, it can be securely fixed by narrowing both ends of the opening portion.

  Further, by applying an elastic material to the syringe gripping member 91, the diameter of the cylindrical portion of the syringe gripping member 91 is made slightly smaller than the outer diameter of the syringe 42 to be gripped, and both ends of the opening portion are pushed and widened. 42 can be mounted and fixed. In addition, it is also possible to fix using a clip or a band.

  The contact surface with the syringe 42 inside the cylindrical portion of the syringe gripping member 91 may be fitted with a resilient cushioning member such as rubber so that it can be securely gripped even with a weak force without slipping. good.

  The tube guide member 92 has a guide groove that matches the outer diameter of the tubular body 51. The shape of the groove is not particularly limited as long as the tubular body 51 can be held and fixed, and can be, for example, a semicircular cross section, a rectangular cross section, a polygonal cross section, or the like. In the present embodiment, in order to easily mount the tubular body 51, it has a cross-sectional shape that is open in one direction.

  A method for coupling the syringe gripping member 91 and the tube guide member 92 is not particularly limited. For example, a detachable type is possible, and the tube guide member 92 may be rotatably coupled to the syringe gripping member 91. By adopting a detachable type, preparation work for supplying the guide wire can be carried out without interference, and by connecting it rotatably, it prevents unnecessary tension on the guide wire during work. be able to.

  The material of the syringe holding member 91 and the tube guide member 92 is not particularly limited as long as it has the functional side surface. For example, an aluminum alloy or a resin can be applied.

  Next, an operation (an example of a usage method) of the guide wire insertion system 1 (guide wire supply tool 3) will be described with reference to FIGS.

  Before performing the puncturing operation, the distal end portion 714 of the introduction portion 7 of the guide wire supply tool 3 is connected to the port portion with valve body 44 of the puncture device 4 in advance. Along with this operation, the guide wire storage part 5 of the guide wire supply tool 3 and the syringe 42 connected to the puncture tool 4 are connected by the connecting member 9.

Next, with the fingers, the guide wire 2 is pulled from the delivery portion 8 toward the introduction portion 7, and a part or all of the tip portion of the guide wire 2 is positioned in the introduction portion 7.
With the above, the preparatory work is completed, and each component of the guide wire insertion system 1 is already coupled as shown in FIG.

In the puncturing operation, the puncture needle 41 of the puncture device 4 is punctured at a predetermined site of the patient, and the tip of the puncture needle 41 is inserted into a blood vessel (vein).
Then, blood is sucked with the syringe 42 and it is confirmed that the needle tip of the puncture needle 41 is located in the blood vessel.

Next, an operation of inserting the guide wire 2 into the blood vessel is performed.
That is, the guide wire 2 located in the introduction part 7 is grasped with fingers and then sent out in the blood vessel direction.

  As a result, the guide wire 2 stored in the guide wire storage unit 5 is sent out from the outlet of the sending-out unit 8, and the distal end of the guide wire 2 passes through the lumen of the puncture needle 41 of the puncture device 4 and the like. The needle 41 protrudes from the needle tip and is inserted into the blood vessel.

  Next, with the guide wire 2 left, the puncture needle 41 is removed, the guide wire 2 is removed from the guide wire supply tool 3, and the guide wire 2 is placed in the blood vessel.

Next, a catheter (not shown) is inserted into the blood vessel along the guide wire 2.
Next, the guide wire 2 is removed while leaving the catheter, and the catheter is placed in the blood vessel.

  As described above, according to the guide wire insertion system 1, the delivery unit 8 and the introduction unit 7 are separated from each other, and a space (gripping space) for gripping and operating the guide wire 2 with fingers is formed. Therefore, the guide wire 2 can be directly gripped with fingers and easily and reliably operated with one hand.

  That is, since the guide wire 2 can be operated by grasping with fingers, when the guide wire 2 is inserted, the guide wire 2 can be reliably inserted, and the guide wire 2 is prevented or suppressed from slipping. Thus, the operation can be easily performed.

  In addition, before performing the puncture operation, the introduction portion 7 of the guide wire supply tool 3 is connected in advance to the valve-equipped port 44 of the puncture tool 4 and the guide wire storage portion 5 of the guide wire supply tool 3 and the puncture tool 4 are connected. Since the connected syringe 42 is connected by the connecting member 9 and the guide wire supply device 3 and the puncture device 4 are connected in a crossing relationship, there is no need to change the syringe, and the syringe is held with the right hand. The puncture operation can be performed while holding 42.

  Furthermore, by connecting the guide wire supply tool 3 and the puncture tool 4 in a crossing relationship, the entire structure can be made compact, and at the same time, the guide wire supply tool 3 and the puncture tool 4 are substantially line-symmetric with respect to the longitudinal center line of the syringe 42. As a result, the center of gravity is balanced, making it much easier to operate.

  4 and 5 show another embodiment of the present invention. FIG. 4 is a perspective view showing the guide wire storage unit 5 and the puncture device 4 connected by the connecting member 9A of the guide wire insertion system 1A according to another embodiment of the present invention. FIG. 5 is a perspective view of a connecting member 9A constituting a connecting structure according to another embodiment of the present invention.

  The guide wire storage 5 bundled in a spiral or spiral shape may be bundled in a spiral shape as shown in FIG. 4 in addition to being bundled in a spiral shape as shown in FIG. In another embodiment, the guide wire storage unit 5 and the puncture device 4 are connected when they are bundled in a spiral shape.

  The connecting member 9A has a structure as shown in FIG. 5 and is wound in an annular shape with a cylindrical syringe gripping member 91A having a part opened on the circumference for gripping the syringe 42 of the puncture device 4. It is constituted by a tube guide member 92A having a groove that determines and holds the winding direction of the tubular body 51 of the guide wire storage portion 5 that is provided.

  As shown in FIG. 5, unlike the connecting member 9 shown in FIG. 3, the connecting member 9A fixes the puncture device 4 to the syringe gripping member 91A in order to fix the guide wire storage portion 5 when bundled in a spiral shape. When this is done, the surface of the tube guide member 92 </ b> A forming a plurality of grooves is provided in a direction orthogonal to the longitudinal direction of the puncture device 4.

  At this time, the surface forming a plurality of grooves for defining and holding the winding direction of the tubular body 51 of the guide wire storage portion 5 provided in the fixing portion 71 and the fixing portion 81 is also orthogonal to the longitudinal direction of the puncture device 4. It is provided in the direction to do.

  Note that the fixing member 71 and the connecting member 9 shown in FIG. 2 can be connected to each other. Can be held, and workability is improved.

  As mentioned above, although the guide wire insertion system and the connecting member of the present invention have been described based on the illustrated embodiment, the present invention is not limited to this, and the configuration of each part is an arbitrary configuration having the same function Can be substituted.

It is a whole perspective view showing one embodiment of a guide wire insertion system of the present invention. It is a side view which shows one Embodiment of a part of guide wire supply tool of this invention shown in FIG. 1, a part of puncture tool, and a connection member. It is a perspective view which shows one Embodiment of the connection member of this invention. It is a whole perspective view which shows other embodiment of the guide wire insertion system of this invention. It is a perspective view which shows other embodiment of the connection member of this invention. It is a side view which shows the whole apparatus of the guide wire insertion system of a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Guide wire insertion system 2 Guide wire 3 Guide wire supply tool 4 Puncture tool 41 Puncture needle 42 Syringe 43 Hub 431 1st cylindrical body 432 2nd cylindrical body 44 Port part with valve body 5 Guide wire storage part 51 Tubular Body 7 Introduction part 71 Fixing part (first fixing part)
712 Entrance 713 Exit 714 Tip 73 Arm 8 Delivery part 81 Fixing part (second fixing part)
82 connecting portion 9 connecting member 91 syringe holding member 92 tube guide member 9A connecting member 91A syringe holding member 92A tube guide member

Claims (5)

A guide wire storage part for storing the guide wire, a guide wire sending part for sending out the guide wire stored in the guide wire storage part, and a through-hole through which the guide wire sent from the guide wire sending part is inserted. A guide wire supply tool comprising a guide wire introduction part from which the guide wire is fed out from the outlet of the through hole;
A puncture device to which the guide wire introduction part is connected;
A connecting member that is fixed to the guide wire storage unit and fixes the puncture device and the guide wire storage unit;
A guide wire insertion system comprising: The guide wire introduction part has a first fixing part for fixing to the guide wire storage part,
The guide wire delivery part has a second fixing part for fixing to the guide wire storage part,
The guide wire insertion system according to claim 1, wherein the first fixing portion and the second fixing portion are connected to each other.   The guide wire insertion system according to claim 1 or 2, wherein the connecting member and the guide wire introducing portion are connected to each other.   The guide wire insertion system according to any one of claims 1 to 3, wherein the connecting member detachably fixes the guide wire storage unit and the puncture device.   The guide according to any one of claims 1 to 4, wherein the guide wire storage portion is a tubular body in which the guide wire is stored wound in a spiral shape or a spiral shape. Wire insertion system.

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