CN215135642U

CN215135642U - Mixed seal wire of non-blood vessel cavity

Info

Publication number: CN215135642U
Application number: CN202121171859.0U
Authority: CN
Inventors: 傅建涵; 朱敏; 万晶晶
Original assignee: Hunan Keyi Zhitou Biotechnology Co ltd
Current assignee: Hunan Keyi Zhitou Biotechnology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-14
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a mixed seal wire of non-vascular chamber way, which comprises a mandrel, the surface cladding of dabber is connected with spiral stripe polytetrafluoroethylene coating, the right-hand member abrasive machining of dabber has tapered end, the surface cladding of tapered end right-hand member is connected with and contains the hydrophilic coating of depressed place. The utility model discloses a tapering end of design is come out by dabber abrasive machining, tapering end is connected with the hydrophilic coating cladding that contains the depressed place, ensure to get into smoothly when the pipe inserts biological body intracavity, contain the hydrophilic coating of depressed place and tightly wrap up at tapering end surface, the pliability of seal wire has been strengthened, and simultaneously, because contain the depressed place in the hydrophilic coating of depressed place, gold, elements such as platinum, make seal wire developability reinforcing, it developments are observed to the convenience under X-ray machine and endoscope, prevent that the seal wire head from puncturing intracavity wall, especially when chooseing for use nickel-titanium alloy and stainless steel material, the more obvious of developability reinforcing, observation effect is better.

Description

Mixed seal wire of non-blood vessel cavity

Technical Field

The utility model relates to the technical field of medical equipment, specifically a mixed seal wire of non-vascular chamber way.

Background

When a catheter is inserted into a body lumen such as a nonvascular lumen, e.g., a digestive tract, a urinary tract, and a trachea, a guide wire is used to guide the catheter to a target site of the body lumen, and the guide wire functions in a medical operation, and generally assists the advancement and correct positioning of the catheter and other medical devices in the body lumen.

In the prior art, a metal guide wire has poor affinity with the inner wall of a cavity, large friction resistance, low lubricity and inconvenient insertion, when the guide wire is in a running state in a patient body, a doctor needs to observe the running state of the guide wire through a medical X-ray machine or an endoscope, and judges the contact condition of the guide wire and the inner wall of the cavity through an image, but a common guide wire is not beneficial to observation under the endoscope and the X-ray machine, while for the doctor, the accurate judgment of the contact condition of the guide wire and the inner wall of the cavity is very important, the phenomenon that the guide wire applies too much force to human tissues can be avoided, if the too much force is applied, the inner wall of the cavity can be punctured, under the condition that the endoscope can be adopted for observation, the guide wire can be conveniently observed under the direct vision of the endoscope, the puncture on the inner wall of the cavity needs to be avoided as much as possible, but the guide wire is provided with a recognizable mark which is convenient for the doctor to observe the movement of the guide wire easily, at present, spiral stripes are mainly used, so the method is called as a zebra guide wire.

Therefore, the non-vascular lumen guide wire which has strong visibility and simple structure, can not stab the inner wall of the cavity and can avoid the plastic-coated layer from falling off or curling is provided, and the problem to be solved urgently in the medical field is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mixed seal wire of non-vascular chamber way possesses the advantage that is visible strong, simple structure, can not stab the cavity inner wall under scope and X-ray, has solved the problem that the visibility is poor, the structure is complicated, still can stab the cavity inner wall.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mixed seal wire of non-vascular chamber way, includes the dabber, the surface coating of dabber is connected with spiral stripe polytetrafluoroethylene coating, the right-hand member abrasive machining of dabber has tapered end, the surface coating of tapered end right-hand member is connected with contains hydrophilic coating of depressed place.

Preferably, the outer part of the spiral stripe polytetrafluoroethylene coating layer is coated with a hydrophilic coating.

Preferably, the tapered end and the right end of the mandrel are integrally formed.

Preferably, the mandrel is made of a metal material, and the outer diameter of the insertion end of the mandrel is smaller than that of the non-insertion end.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model designs the tapered end which is grinded by the mandrel and is connected with the dock-containing hydrophilic coating in a coating way, thereby ensuring that the catheter can smoothly enter when being inserted into the biological body cavity, the dock-containing hydrophilic coating is tightly coated on the surface of the tapered end, the flexibility of the guide wire is enhanced, and simultaneously, because the hydrophilic coating containing the depressed place contains elements such as depressed place, gold, platinum and the like, the developing property of the guide wire is enhanced, the dynamic state of the guide wire is convenient to observe under an X-ray machine and an endoscope, the guide wire head is prevented from puncturing the inner wall of the cavity, particularly, when the nickel-titanium alloy and the stainless steel material are selected, the developing property is enhanced more obviously, the observation effect is better, the colors of the spiral stripe polytetrafluoroethylene coating are not limited to be yellow, black, blue, orange, white and the like, the guide wire movement can be clearly confirmed under the direct vision of an endoscope, and a super-smooth hydrophilic coating can be coated on the spiral stripe polytetrafluoroethylene coating for enhancing the hydrophilicity of the guide wire; in order to meet the requirements of different working objects, the guide wire insertion end can be set into a straight head structure and an elbow structure.

Drawings

Fig. 1 is a schematic view of the straight guide wire structure of the present invention;

fig. 2 is a schematic view of the structure of the elbow guide wire of the present invention.

In the figure: 1. a mandrel; 2. a spiral stripe polytetrafluoroethylene coating layer; 3. a tapered end; 4. a hydrophilic coating comprising a dock.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but 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 are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, a non-vascular lumen mixed guide wire comprises a mandrel 1, the mandrel 1 is made of a metal material, the outer diameter of the insertion end of the mandrel 1 is smaller than that of the non-insertion end, the surface of the mandrel 1 is coated with a spiral stripe polytetrafluoroethylene coating layer 2, the outer part of the spiral stripe polytetrafluoroethylene coating layer 2 is coated with a hydrophilic coating, the right end of the mandrel 1 is ground to form a tapered end 3, the tapered end 3 and the right end of the mandrel 1 are integrally formed, the surface of the right end of the tapered end 3 is coated with a hydrophilic coating layer 4 containing a dock, the tapered end 3 is ground by the mandrel 1, the tapered end 3 is coated with the hydrophilic coating layer 4 containing the dock, so that the guide wire can smoothly enter a biological lumen when the catheter is inserted into the biological lumen, the hydrophilic coating layer 4 containing the dock is tightly coated on the surface of the tapered end 3, the flexibility of the guide wire is enhanced, and the hydrophilic coating layer 4 containing the dock is contained in the hydrophilic coating layer 4, Gold, platinum, etc., make the guide wire develop the sex to strengthen, facilitate observing its trends under X-ray machine and endoscope, prevent the guide wire head from piercing the cavity inboard wall, especially when choosing nickel-titanium alloy and stainless steel material, develop the sex to strengthen more apparently, the observation effect is better, the polytetrafluoroethylene coating of spiral stripe 2 color is not limited to yellow, black, blue, orange, white, etc. are alternate, can confirm the guide wire moves clearly under the endoscope direct vision, in order to strengthen the hydrophilicity of the guide wire, can also coat the ultra-smooth hydrophilic coating on the polytetrafluoroethylene coating of spiral stripe 2; in order to meet the requirements of different working objects, the guide wire insertion end can be set into a straight head structure and an elbow structure.

The utility model provides an all parts are the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, the standard part that uses in this application file all can purchase from the market simultaneously, each part can all be customized according to the record of description and attached drawing in this application file, the concrete joining mode of each part all adopts conventional means such as ripe bolt in the prior art, rivets, welding, machinery, part and equipment all adopt conventional model in the prior art, no longer make specific statement here.

When in use, the metal core surface of the mandrel 1 is provided with the spiral stripe polytetrafluoroethylene coating layer 2 to ensure that the metal core surface has lower friction coefficient, the resistance generated in the guide wire delivery process is reduced, meanwhile, the surface of the spiral stripe polytetrafluoroethylene coating layer 2 on the metal core surface is the spiral stripe which is not on the same plane, the resistance is reduced, the control is easy, in addition, the spiral stripe can be clearly seen under an endoscope, the spiral stripe polytetrafluoroethylene coating layer 2 further improves the controllability of the non-vascular lumen mixed guide wire, in addition, the tapered end of the non-vascular lumen mixed guide wire is provided with the dock-containing hydrophilic coating 4, the surface of the dock-containing hydrophilic coating 4 is provided with the hydrophilic coating, the friction force between the guide wire head and other instruments or lumens is reduced when the non-vascular lumen mixed guide wire is used, in addition, the dock-containing hydrophilic coating 4 has the developing effect under X light because the dock material contains elements such as gold, platinum and the like, thereby leading the non-vascular cavity mixed guide wire to have better controllability and super-lubricity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mixed seal wire of non-vascular chamber way, includes dabber (1), its characterized in that: the surface coating of dabber (1) is connected with spiral stripe polytetrafluoroethylene coating (2), the right-hand member abrasive machining of dabber (1) has tapered end (3), the surface coating of tapered end (3) right-hand member is connected with contains hydrophilic coating of depressed place (4).

2. The non-vascular luminal hybrid guidewire as defined in claim 1, wherein: the outer part of the spiral stripe polytetrafluoroethylene coating layer (2) is coated with a hydrophilic coating.

3. The non-vascular luminal hybrid guidewire as defined in claim 1, wherein: the tapered end (3) and the right end of the mandrel (1) are integrally formed.

4. The non-vascular luminal hybrid guidewire as defined in claim 1, wherein: the mandrel (1) is made of a metal material, and the outer diameter of the insertion end of the mandrel (1) is smaller than that of the non-insertion end.