CN112451838B - Yarn guide seat - Google Patents

Yarn guide seat Download PDF

Info

Publication number
CN112451838B
CN112451838B CN202011322458.0A CN202011322458A CN112451838B CN 112451838 B CN112451838 B CN 112451838B CN 202011322458 A CN202011322458 A CN 202011322458A CN 112451838 B CN112451838 B CN 112451838B
Authority
CN
China
Prior art keywords
seat body
seat
guide wire
channel
clamping groove
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202011322458.0A
Other languages
Chinese (zh)
Other versions
CN112451838A (en
Inventor
龙燕萍
魏达
颜世平
朱劲
肖时玉
张露
谢佼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
APT MEDICAL Inc
Original Assignee
APT MEDICAL Inc
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.)
Filing date
Publication date
Application filed by APT MEDICAL Inc filed Critical APT MEDICAL Inc
Priority to CN202011322458.0A priority Critical patent/CN112451838B/en
Publication of CN112451838A publication Critical patent/CN112451838A/en
Application granted granted Critical
Publication of CN112451838B publication Critical patent/CN112451838B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09Guide wires
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09Guide wires
    • A61M2025/09125Device for locking a guide wire in a fixed position with respect to the catheter or the human body

Abstract

The application discloses a wire guide seat. The application provides a guide wire seat, including first pedestal, second pedestal, through the cooperation of first pedestal and second pedestal, realize locking/lax to the seal wire to can pour into heparinized normal saline into the pipe under the condition of not dismantling seal wire and guide wire seat into, wash the surface of pipe inner wall and seal wire, thereby simplify the operation procedure, shorten operation time, reduce patient's misery.

Description

Yarn guide seat
Technical Field
The application relates to the technical field of medical instruments, in particular to a guide wire seat.
Background
Before intervention operation, when preoperative preparation work is carried out on a catheter and a guide wire, heparinized normal saline is needed to wash the inner cavity of the catheter, air in the inner cavity of the catheter is removed, and the catheter is prevented from forming air embolism in a body; and the heparinized physiological saline is used for flushing the guide wire and wetting the surface coating of the guide wire, so that the guide wire can smoothly enter the inner cavity of the catheter.
In the interventional operation, an operator controls a guide wire in a catheter, controls the direction of the guide wire and the distance of the guide wire entering a blood vessel, and carries out local treatment on a focus in a body. In the process, if the catheter and the guide wire in the body need to be washed, the guide wire needs to be withdrawn from the catheter in the body firstly, then the syringe is connected with the connector of the catheter, heparinized physiological saline is used for washing the inner cavity of the catheter, heparinized physiological saline is used for washing the surface of the guide wire, the blood stain on the surface of the guide wire is removed, and the thrombosis is prevented. The guide wire is withdrawn, and after the catheter and the guide wire are respectively washed, the guide wire needs to be placed into the catheter again, the operation is continued, the process is complicated, the operation time is prolonged, and the pain is brought to patients.
Disclosure of Invention
In order to solve the above technical problems, the present invention aims to provide a yarn guide seat; the application provides a guide wire seat, including first pedestal, second pedestal, through the cooperation of first pedestal and second pedestal, realize locking/lax to the seal wire to can pour into heparinized normal saline into the pipe under the condition of not dismantling seal wire and guide wire seat into, wash the surface of pipe inner wall and seal wire, thereby simplify the operation procedure, shorten operation time, reduce patient's misery.
The technical scheme provided by the invention is as follows:
a yarn guide seat comprises a first seat body and a second seat body, wherein the first seat body and the second seat body are respectively provided with a through hole along the axial direction and used for a yarn guide to pass through;
two ends of the first seat body are respectively provided with a first connecting part and an elastic part, and the first connecting parts are used for connecting a conduit; the periphery of the first seat body is also provided with a step, and the step is positioned between the first connecting part and the elastic part;
a channel for the first seat body to extend into is arranged at one end of the second seat body, a clamping groove is arranged on the inner wall of the channel, and the clamping groove is matched with the step, so that the first seat body can rotate or move along the axial direction relative to the second seat body;
the channel is also internally provided with a first conical body, the diameter of the first conical body is gradually reduced from one end close to the first seat body to the other end far away from the first seat body, and the first conical body is used for extruding the elastic part to deform the elastic part;
the first seat body and the second seat body are further provided with a distance adjusting component which is matched with the first seat body and the second seat body, and the distance adjusting component is used for adjusting the axial distance between the first seat body and the second seat body.
Preferably, the distance adjusting component is specifically an external thread arranged on the first seat and an internal thread arranged in the channel of the second seat, the external thread is arranged between the first connecting portion and the step, and the internal thread is arranged at one end of the clamping groove far away from the first conical body.
Preferably, the periphery of the first seat body is further provided with a leakage-proof boss, the leakage-proof boss is arranged between the first connecting portion and the external thread, and the leakage-proof boss is used for sealing a gap between the second seat body channel and the first seat body.
Preferably, the elastic part is an elastic claw which is composed of 3-8 claw pieces.
Preferably, the first connection is in particular a male luer.
Preferably, one end of the second seat body, which is far away from the first seat body, is further provided with a second connecting portion, and the second connecting portion is used for connecting a flushing device.
Preferably, the second connection is in particular a female luer.
Preferably, the second seat body is further provided with a second taper body, and the diameter of the second taper body is gradually reduced from one end close to the second connecting portion to one end far away from the second connecting portion.
Preferably, the outer wall of the second seat body is further provided with an anti-slip layer and/or anti-slip lines.
The application provides a wire guide seat, including first pedestal, second pedestal, cooperation through first pedestal and second pedestal realizes the locking/lax to the seal wire to can pour into heparinized normal saline into the pipe under the condition of not dismantling seal wire and wire guide seat into, wash the surface of pipe inner wall and seal wire, thereby simplify the operation procedure, shorten operation time, reduce patient's misery.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a first seat body of a wire guide seat according to an embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of a first seat of a guidewire seat according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a second seat body of the guide wire seat according to the embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a second seat of the guidewire seat in an embodiment of the invention;
FIG. 5 is a schematic cross-sectional view of the assembly of the guide wire holder and the guide wire according to the embodiment of the present invention (in which the elastic portion is pressed and deformed by the first taper);
FIG. 6 is a schematic view of the guide wire holder of an embodiment of the present invention applied to a surgical operation (the guide wire holder locks the guide wire and the guide wire can be rotated, advanced or retracted by manipulating the guide wire holder);
FIG. 7 is a schematic view of the guide wire holder of an embodiment of the present invention applied to a surgical procedure (at this time, the guide wire holder releases the guide wire and moves the guide wire holder to the tail end of the guide wire);
FIG. 8 is a schematic view of a guidewire hub of an embodiment of the present invention in use during surgery (with the catheter retracted and attached to the guidewire hub);
FIG. 9 is a schematic view showing the application of the guide wire holder in the embodiment of the present invention to the operation (in this case, a syringe is used to inject heparinized saline for flushing);
reference numerals are as follows: 1-a first seat body; 11-a first connection; 12-an elastic portion; 13-step; 14-external threads; 15-leakage-proof boss; 2-a second seat body; 21-card slot; 22-a first cone; 23-internal thread; 24-a second connection; 25-a second taper; a-a guide wire; b-a catheter; c-syringe.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
The embodiments of the present application are written in a progressive manner.
As shown in fig. 1 to 9, a yarn guide seat according to an embodiment of the present invention includes a first seat body 1 and a second seat body 2, where the first seat body 1 and the second seat body 2 are respectively provided with a through hole along an axial direction for a yarn to pass through;
two ends of the first seat body 1 are respectively provided with a first connecting part 11 and an elastic part 12, and the first connecting part 11 is used for connecting a conduit; a step 13 is further arranged on the periphery of the first seat body 1, and the step 13 is located between the first connecting portion 11 and the elastic portion 12;
a channel for the first seat body 1 to extend into is arranged at one end of the second seat body 2, a clamping groove 21 is arranged on the inner wall of the channel, and the clamping groove 21 is matched with the step 13, so that the first seat body 1 can rotate or move along the axial direction relative to the second seat body 2;
a first conical body 22 is further arranged in the channel, the diameter of the first conical body 22 is gradually reduced from one end close to the first seat body 1 to one end far away from the first seat body 1, and the first conical body 22 is used for extruding the elastic part 12 to deform the elastic part 12;
the first seat body 1 and the second seat body 2 are further provided with a distance adjusting component which is matched with the first seat body 1, and the distance adjusting component is used for adjusting the axial distance between the first seat body 1 and the second seat body 2.
Aiming at the problems in the prior art, the application provides a guide wire seat which comprises a first seat body 1 and a second seat body 2, the locking/loosening of the guide wire is realized through the matching of the first seat body 1 and the second seat body 2, heparinized physiological saline can be injected into the guide tube under the condition that the guide wire and the guide wire seat are not detached, and the surfaces of the inner wall of the guide tube and the guide wire are washed, so that the operation flow is simplified, the operation time is shortened, and the pain of a patient is reduced.
Specifically, the first seat body 1 and the second seat body 2 are both provided with a through hole along the axial direction, the guide wire passes through the through hole, and meanwhile, the elastic part 12 of the first seat body 1 is matched with the first conical body 22 of the second seat body 2, and when the first seat body 1 and the second seat body 2 are close to each other, the elastic part 12 moves in the first conical body 22 and is extruded and deformed by the inner wall of the first conical body 22, and the guide wire in the axial through hole in the elastic part 12 is compressed, so that the guide wire is locked. At this time, the operator rotates the guide wire seat to drive the guide wire to rotate, advance or withdraw simultaneously. The operation is convenient.
When the guide wire seat needs to be moved, the first seat body 1 and the second seat body 2 are far away from each other, the elastic part 12 is withdrawn from the first tapered hole 22, the original shape is restored by the elasticity of the elastic part, and at the moment, the guide wire seat can move relative to the guide wire. And because the first pedestal 1 and the second pedestal 2 of wire guide seat all have certain clearance with the seal wire, with the first connecting portion 11 and the pipe connection of first pedestal 1, realize the assembly of pipe and seal wire, then keep away from the one end of first pedestal 1 from the perforating hole of second pedestal 2 and pour into heparinized normal saline into, then water can flow into the pipe from the space, washes the surface of pipe inner wall and seal wire. First pedestal 1 and second pedestal 2 are close to each other or keep away from by the distance adjustment part realization, need the art person to control both and just can be close to each other or keep away from, avoid in operation process both unexpected the taking place to remove and lead to the locking/unclamping state of seal wire to change.
When the washing is carried out, the guide wire seat is preferably moved to the tail end of the guide wire, and then the catheter is withdrawn and connected with the guide wire seat, so that the washing device is convenient to connect for washing, and almost all the outer surface of the guide wire can be washed.
The first seat body 1 is further provided with a step 13 which is matched with the clamping groove 21 of the second seat body 2, the diameter of the step 13 is smaller than or equal to the inner diameter of the clamping groove 21 and is larger than the inner diameters of the channels on the two sides of the clamping groove 21, the step 13 is located in the clamping groove 21 and can move back and forth along the axial direction in the clamping groove 21, the farthest distance between the first seat body 1 and the second seat body 2 is controlled, the first seat body 1 and the second seat body 2 are prevented from being completely separated, and the first guide wire seat body 1 and the second seat body 2 are coaxial. When the first seat body 1 and the second seat body 2 are assembled, a large force is used for plugging the step 13 into the clamping groove 21; and the force applied to the separation of the two parts is small in the use process of the interventional operation, so that the problem of falling off can be avoided.
To sum up, the wire guide seat that this application provided realizes the assembly of wire guide seat by step 13 and draw-in groove 21 cooperation, realizes locking/relaxing to the seal wire by the cooperation of elasticity portion 12 and first cone 22 to through the normal saline of heparinizing is injected into to the one end of keeping away from first pedestal 1 at second pedestal 2, realize washing seal wire and pipe under the condition of not withdrawing from the seal wire. The application provides a wire guide seat has had both effects of turning round accuse device and flushing joint concurrently, simplifies the seal wire of interveneeing the operation, pipe wash the flow to shorten operating time.
Preferably, the distance adjusting component is specifically an external thread 14 disposed on the first seat 1, and an internal thread 23 disposed in the channel of the second seat 2, the external thread 14 is disposed between the first connecting portion 11 and the step 13, and the internal thread 23 is disposed at an end of the clamping groove 21 away from the first conical body 22.
Preferably, the distance between the first fastening structure 1 and the second fastening structure 2 is adjusted by means of matching threads. Specifically, the external thread 14 is disposed between the first connecting portion 11 of the first base 1 and the step 13, and the internal thread 23 is disposed at an end of the slot 21 far away from the first conical body 22 inside the second base 2, so that the first base 1 and the second base 2 can be close to or far away from each other by controlling the rotation direction, thereby facilitating the operation of the surgeon.
Besides using the screw thread, a plurality of detachable buckles can be arranged between the first seat body 1 and the second seat body 2, and the first seat body 1 and the second seat body 2 can be tightened by using the elastic member, and the adjustment of the distance between the first seat body 1 and the second seat body 2 can be realized by detaching the buckles.
Preferably, the periphery of the first seat body 1 is further provided with a leakage-proof boss 15, the leakage-proof boss 15 is arranged between the first connecting portion 11 and the external thread 14, and the leakage-proof boss 15 is used for sealing a gap between the channel of the second seat body 2 and the first seat body 1.
In order to prevent the leakage of the injected physiological saline during the flushing, a leakage prevention boss 15 is preferably provided at the periphery of the first housing 1 for sealing the gap between the channel of the second housing 2 and the first housing 1. The leak protection boss 15 sets up between first connecting portion 11 and external screw thread 14, then when first pedestal 1 and second pedestal 2 assembly back together, even step 13 is located the side of draw-in groove 21, when first pedestal 1 and second pedestal 2 are located the farthest distance, leak protection step 15 still blocks at the outermost edge of second pedestal 2 inner channel, realizes the shutoff clearance, avoids leaking. Meanwhile, the inner diameter of the channel at one end of the second seat body 2 close to the first seat body 1 is designed to be matched with the size of the leakage-proof boss 15, so that the leakage-proof boss 15 can seal the gap without hindering the adjustment of the distance between the first seat body 1 and the second seat body 2.
When the distance adjusting component is the external thread 14 and the internal thread 23, the first seat body 1 is sequentially provided with the leakage-proof boss 15, the external thread 14 and the step 13 from the first connecting part 11 to the elastic part 12, and the diameters of the leakage-proof boss 15, the external thread 14, the step 13 and the elastic part 12 are sequentially reduced; in the second seat 2, the diameter of the channel is reduced, the internal thread 23, the slot 21 and the cone 22 are reduced.
Preferably, the elastic portion 12 is embodied as an elastic claw composed of 3 to 8 claw pieces.
Preferably, the elastic portion 12 is embodied as an elastic claw, which is composed of 3 to 8 claw pieces. Gaps are formed among the claw pieces, and when the elastic part 12 is extruded by the first conical body 22, the gaps can provide certain space for the deformation of the claw pieces; after the elastic part 12 is far away from the first conical body 22, the claw sheet restores the original shape, the obstruction to the guide wire is small, and the guide wire is convenient to advance or retreat.
When the elastic part 12 is an elastic claw, because there is a gap between the claw pieces, even if the first base body 1 and the second base body 2 are screwed tightly, the elastic claw locks the guide wire, the gap between the claw pieces is still a gap for liquid to flow in, at this time, heparinized normal saline can flow in from the gap between the claw pieces, and washes the outer surface of the guide wire and the inner wall of the catheter, at this time, the locked elastic part 12 can also leak normal saline from the gap between the guide wire bases. Therefore, when the elastic portion 12 is an elastic claw, it is preferable to fasten the first holder 1 and the second holder 2 so that the guide wire is locked by the elastic claw, and then inject heparinized saline to clean the catheter and the guide wire.
Preferably, the first connection 11 is embodied as a male luer.
Preferably, the first connection 11 is a male luer connector to facilitate connection with a female luer connector of a catheter set. Namely, the tight assembly of the guide wire seat and the catheter joint is ensured, and the liquid leakage at the position is prevented.
Preferably, one end of the second seat 2 away from the first seat 1 is further provided with a second connecting portion 24, and the second connecting portion 24 is used for connecting a flushing device.
Preferably, said second connection 24 is embodied as a female luer.
Preferably, the second holder 2 is further provided with a second connecting portion 24 for connecting the flushing device, and more preferably, the second connecting portion 24 is a female luer connector.
Preferably, the second fastening structure 2 further comprises a second taper 25, and the diameter of the second taper 25 decreases from the end close to the second connecting portion 24 to the end far from the second connecting portion 24.
In addition to the second connecting portion 24, it is preferable that the second housing 2 further has a second tapered body 25, and when the flushing device is connected to the second connecting portion 24, the shape of the front end of the flushing device is adapted to the second tapered body 25, so that the flushing device is more stably connected to the guide wire housing. The flushing device is preferably a syringe, which is convenient to operate, and the inner luer taper of the guide wire seat can be in matched connection with the outer luer taper of the syringe.
Preferably, the outer wall of the second seat body 2 is further provided with an anti-skid layer and/or anti-skid lines.
Preferably, the outer wall of the second seat body 2 is further provided with an anti-slip layer and/or anti-slip lines, so that the guide wire can be conveniently controlled to rotate, or the distance between the first seat body 1 and the second seat body 2 can be rotatably adjusted.
Example 1
A yarn guide seat comprises a first seat body 1 and a second seat body 2, wherein the first seat body 1 and the second seat body 2 are respectively provided with a through hole along the axial direction for a yarn guide to pass through;
two ends of the first seat body 1 are respectively provided with a first connecting part 11 and an elastic part 12, and the first connecting part 11 is used for connecting a conduit; a step 13 is further arranged on the periphery of the first seat 1, and the step 13 is located between the first connecting portion 11 and the elastic portion 12;
a channel into which the first seat body 1 extends is arranged at one end of the second seat body 2, a clamping groove 21 is arranged on the inner wall of the channel, and the clamping groove 21 is matched with the step 13, so that the first seat body 1 can rotate relative to the second seat body 2 or move axially;
a first conical body 22 is further arranged in the channel, the diameter of the first conical body 22 is gradually reduced from one end close to the first seat body 1 to one end far away from the first seat body 1, and the first conical body 22 is used for extruding the elastic part 12 to deform the elastic part 12;
the distance adjusting component is specifically an external thread 14 arranged on the first seat 1 and an internal thread 23 arranged in the channel of the second seat 2, the external thread 14 is arranged between the first connecting portion 11 and the step 13, the internal thread 23 is arranged at one end of the clamping groove 21 far away from the first conical body 22, and the external thread 14 is matched with the internal thread 23 and used for adjusting the axial distance between the first seat 1 and the second seat 2;
the periphery of the first seat body 1 is further provided with a leakage-proof boss 15, the leakage-proof boss 15 is arranged between the first connecting portion 11 and the external thread 14, and the leakage-proof boss 15 is used for sealing a gap between the channel of the second seat body 2 and the first seat body 1.
The elastic portion 12 is specifically an elastic claw composed of 4 claw pieces.
The first connection portion 11 is specifically a male luer connector.
One end of the second seat body 2, which is far away from the first seat body 1, is further provided with a second connecting portion 24, and the second connecting portion 24 is used for connecting a flushing device. The second connection 24 is embodied as a female luer connector.
The second seat body 2 is further provided with a second taper 25, and the diameter of the second taper 25 gradually decreases from the end close to the second connecting portion 24 to the end far away from the second connecting portion 24.
The outer wall of the second seat body 2 is also provided with anti-skid lines.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A yarn guide seat is characterized by comprising a first seat body (1) and a second seat body (2), wherein the first seat body (1) and the second seat body (2) are respectively provided with a through hole along the axial direction for a yarn guide to pass through;
two ends of the first seat body (1) are respectively provided with a first connecting part (11) and an elastic part (12), and the first connecting part (11) is used for connecting a conduit; the periphery of the first seat body (1) is also provided with a step (13), and the step (13) is positioned between the first connecting part (11) and the elastic part (12);
a channel for the first seat body (1) to extend into is arranged at one end of the second seat body (2), a clamping groove (21) is arranged on the inner wall of the channel, the clamping groove (21) is matched with the step (13), the diameter of the step (13) is smaller than or equal to the inner diameter of the clamping groove (21), and the step (13) axially moves back and forth in the clamping groove (21) so that the first seat body (1) can rotate relative to the second seat body (2) or move axially and can avoid complete separation of the first seat body (1) and the second seat body (2); the other end of the second seat body (2) is connected with a flushing device;
a first conical body (22) is further arranged in the channel, the diameter of the first conical body (22) is gradually reduced from one end close to the first seat body (1) to one end far away from the first seat body (1), and the first conical body (22) is used for extruding the elastic part (12) to enable the elastic part (12) to deform;
the first seat body (1) and the second seat body (2) are also provided with a distance adjusting component which is matched with the first seat body (1) and the second seat body (2), and the distance adjusting component is used for adjusting the axial distance between the first seat body (1) and the second seat body (2);
the distance adjusting component is specifically an external thread (14) arranged on the first seat (1) and an internal thread (23) arranged in the channel of the second seat (2), the external thread (14) is arranged between the first connecting portion (11) and the step (13), and the internal thread (23) is arranged at one end, far away from the first conical body (22), of the clamping groove (21);
the periphery of the first seat body (1) is further provided with a leakage-proof boss (15), the leakage-proof boss (15) is arranged between the first connecting portion (11) and the external thread (14), the first seat body (1) and the second seat body (2) are located at the farthest distance, the leakage-proof boss (15) is still clamped at the outermost edge of the channel in the second seat body (2), the leakage-proof boss (15) is used for sealing the gap between the first seat body (1) and the second seat body (2) when the first seat body (1) is loosened or screwed, the channel of the second seat body (2) and the gap between the first seat body (1) cannot be blocked when the gap is sealed.
2. The guidewire hub according to claim 1, characterized in that the elastic portion (12) is embodied as an elastic claw consisting of 3-8 claw pieces.
3. The guide wire holder according to claim 1, characterized in that the first connection (11) is embodied as a male luer connector.
4. The guide wire holder according to claim 1, characterized in that the end of the second holder body (2) far away from the first holder body (1) is further provided with a second connecting part (24), and the second connecting part (24) is used for connecting a flushing device.
5. The guide wire holder according to claim 4, characterized in that the second connection (24) is embodied as a female luer connector.
6. A guide wire holder according to any one of claims 4-5, characterized in that the second holder body (2) is further provided with a second taper (25), the second taper (25) decreasing in diameter from an end near the second connection portion (24) to an end remote from the second connection portion (24).
7. The guide wire holder according to claim 1, characterized in that the outer wall of the second holder body (2) is further provided with an anti-slip layer and/or an anti-slip texture.
CN202011322458.0A 2020-11-23 2020-11-23 Yarn guide seat Active CN112451838B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011322458.0A CN112451838B (en) 2020-11-23 2020-11-23 Yarn guide seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011322458.0A CN112451838B (en) 2020-11-23 2020-11-23 Yarn guide seat

Publications (2)

Publication Number Publication Date
CN112451838A CN112451838A (en) 2021-03-09
CN112451838B true CN112451838B (en) 2023-04-07

Family

ID=74798602

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011322458.0A Active CN112451838B (en) 2020-11-23 2020-11-23 Yarn guide seat

Country Status (1)

Country Link
CN (1) CN112451838B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113633874A (en) * 2021-09-07 2021-11-12 苏州茵络医疗器械有限公司 Wire guide seat and catheter wire guide system
CN114917456A (en) * 2022-03-28 2022-08-19 苏州大学附属第一医院 Special urine of urethra meeting teacher expands stick

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728496A1 (en) * 1995-02-21 1996-08-28 Nissho Corporation Stylet and connector therefor
JP2007117389A (en) * 2005-10-27 2007-05-17 Ci Medeikku:Kk Inner wire for forming catheter
CN202951100U (en) * 2011-10-06 2013-05-29 贝克顿·迪金森公司 Integration distance piece of duct assembly and system for controlling flow of fluid in duct assembly
CN209751900U (en) * 2019-01-11 2019-12-10 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 Guide wire and guide wire assembly
CN209905444U (en) * 2019-04-29 2020-01-07 浙江晟祺实业有限公司 Spray head

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5414775B2 (en) * 2011-12-08 2014-02-12 クリエートメディック株式会社 Flushable torque device
CN107376093A (en) * 2016-11-18 2017-11-24 苏州恒瑞迪生医疗科技有限公司 Seal wire turns round control device
CN208974795U (en) * 2018-04-27 2019-06-14 中国人民解放军总医院海南分院 Bladder irrigation device
CN210873646U (en) * 2019-06-24 2020-06-30 安吉特(天津)科技有限公司 Positioning guide wire control device for interventional operation treatment
CN211611257U (en) * 2019-12-16 2020-10-02 王平 Y-shaped valve capable of controlling guide wire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728496A1 (en) * 1995-02-21 1996-08-28 Nissho Corporation Stylet and connector therefor
JP2007117389A (en) * 2005-10-27 2007-05-17 Ci Medeikku:Kk Inner wire for forming catheter
CN202951100U (en) * 2011-10-06 2013-05-29 贝克顿·迪金森公司 Integration distance piece of duct assembly and system for controlling flow of fluid in duct assembly
CN209751900U (en) * 2019-01-11 2019-12-10 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 Guide wire and guide wire assembly
CN209905444U (en) * 2019-04-29 2020-01-07 浙江晟祺实业有限公司 Spray head

Also Published As

Publication number Publication date
CN112451838A (en) 2021-03-09

Similar Documents

Publication Publication Date Title
CN112451838B (en) Yarn guide seat
EP1872824B1 (en) Connecting structures for luer fitting
CA2409240C (en) Multiple lumen access drive
CN100393376C (en) Indwelling cathether device
EP1712248B1 (en) Multiple lumen access device
KR20100051800A (en) Device for introducing a catheter guide wire into a vessel
JP2005515830A (en) Atrial appendage blood filtration system
JP2007526816A (en) Check valve for fluid dosing system
JP2023528994A (en) Thrombus processing platform
CN213312821U (en) Catheter sheath and expansion assembly
CN115153746B (en) Catheter adapter
CN108056795B (en) Hemostatic support for operation
CN115429968A (en) Implantable medical equipment with safety protection function
CN113576588B (en) Post-implant release device
WO2022001670A1 (en) Puncture needle and puncture system
CN211611257U (en) Y-shaped valve capable of controlling guide wire
CN216653117U (en) Hemostatic valve and medical instrument
CN217745356U (en) Hemostatic valve
CN217907857U (en) Proximal rotating handle device of adjustable-bending guide sheath
CN115999040A (en) Hemostatic valve and medical instrument
CN215192012U (en) Thrombolysis treatment lengthened catheter for vascular surgery
KR102393610B1 (en) Disposable Needle Detachable Infusion Set
CN219022982U (en) Catheter and drainage tube joint device and catheter device
CN215961427U (en) Catheter flushing injection device
CN115068054B (en) Expander subassembly suitable for from expansion device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant