CN217744456U - Guide wire with measurement function and surgical instrument - Google Patents

Abstract

The application provides a take measurement function seal wire and surgical instruments, takes measurement function seal wire includes the core silk, and the core silk has head end and tail end on its self extending direction, and the head end is used for guiding the seal wire to get into the patient internal, and the outer peripheral face of core silk is equipped with first measuring part, and first measuring part extends to the head end. The guide wire not only has the function of guiding the surgical instrument to move in the body, but also has the function of measuring the sizes of tissues such as focuses, has diversified functions and is beneficial to the operation.

Description

Guide wire with measurement function and surgical instrument

Technical Field

The utility model relates to a medical equipment field particularly, relates to a take measurement function seal wire and surgical instruments.

Background

The guide wire for the non-vascular cavity is one of the accessories of digestive, urinary and respiratory endoscopes commonly used in endoscopic treatment. The guide wire is mainly used for entering a natural non-vascular cavity of a human body under the monitoring of an endoscope or X-rays for guiding. At present, guide wires in the market only play a guiding role in an operation, the movement of the guide wires can be judged through the movement of a special structure under the direct vision of an endoscope, but the moving distance of the guide wires cannot be measured, and the measurement of a focus, a calculus position and the size by a doctor is not facilitated.

The inventor researches and discovers that the existing guide wire has the following defects:

the function is single.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take measurement function seal wire and surgical instruments, it can not only play the guide effect, can also carry out the precision measurement to the size of a dimension such as focus tissue and calculus, and the function is diversified.

The embodiment of the utility model is realized like this:

in a first aspect, the utility model provides a take measurement function seal wire, include:

the core wire is provided with a head end and a tail end in the extending direction, the head end is used for guiding the guide wire to enter the body of a patient, a first measuring part is arranged on the peripheral surface of the core wire, and the first measuring part extends to the head end.

In an optional embodiment, the guide wire with the measurement function further comprises a plastic coating layer, and the plastic coating layer wraps the core wire.

In an alternative embodiment, the first measuring portion includes a plurality of measuring bands arranged in the extending direction of the core wire, and the distance of any adjacent measuring band in the extending direction of the core wire is zero.

In an alternative embodiment, the measuring band is provided as an endless band.

In an alternative embodiment, each of the measuring tapes is of equal size in the direction of extension of the core wire.

In an alternative embodiment, the first measuring portion is provided as a graduation mark arranged in the extending direction of the core wire.

In an alternative embodiment, each of the graduations of the graduation marks is provided as a ring.

In an alternative embodiment, the first measuring portion is provided as a developing member.

In an alternative embodiment, the outer surface of the core wire is further provided with a second measuring portion, one end of which extends to the tail end and the other end of which is spaced apart from the first measuring portion.

In an alternative embodiment, the core wire comprises a guide section and an operation section which are connected, wherein one end of the guide section, which is far away from the operation section, corresponds to the head end, and one end of the operation section, which is far away from the guide section, corresponds to the tail end; the cross-sectional outer contour diameter of the guide section is gradually increased in the direction from the head end to the tail end; the operating section is arranged to be a constant diameter section, and the diameter of the operating section is not smaller than that of the guide section; the first measuring portion is arranged on the guide section, and the second measuring portion is arranged on the operation section.

In a second aspect, the present invention provides a surgical instrument, comprising:

the guidewire with measurement functionality of any of the preceding embodiments.

The embodiment of the utility model provides a beneficial effect is:

in summary, when the guide wire with a measurement function provided by the embodiment is used, the guide wire is placed in a corresponding position in a patient body by using devices such as an endoscope, and the head end of the guide wire is used as a guiding structure and firstly enters the patient body, while the tail end is used for being operated and held by medical staff, and the tail end is located outside the patient body. And, after the seal wire got into internally and reached the settlement position, because the head end surface of seal wire is equipped with first measuring part, the size of a dimension that focus tissue can be measured to first measuring part, so, medical personnel can carry out the adjustment of operation strategy as required according to focus tissue size to can improve the operation success rate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural view of a guide wire with a measurement function according to an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of fig. 1.

An icon:

001-head end; 002-tail end; 100-core wire; 200-plastic coating layer; 210-a reducing structure; 300-a first measuring section; 400-a second measuring portion; 500-guiding ball head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

At present, when an internal operation is performed, a guide wire is generally utilized to guide a surgical instrument to a corresponding position in a patient body, and due to the guiding effect of the guide wire, the surgical instrument is convenient to move in the body, and the operation is flexible, convenient, fast and reliable. In the prior art, the guide wire only plays a guiding role and has a single function.

In view of this, designers have designed a guide wire with a measurement function, which not only has a function of guiding a surgical instrument to move in a body, but also has a function of measuring the size of a tissue such as a lesion, and thus, the guide wire is diversified in function and beneficial to surgery.

Referring to fig. 1 and fig. 2, in the present embodiment, the guide wire with measurement function includes a core wire 100 and a plastic-coated layer 200, wherein the plastic-coated layer 200 wraps the core wire 100; layer 200 is moulded to package has head end 001 and tail end 002 in the extending direction of core silk 100, and head end 001 is used for guiding the guide wire to get into the patient internal, and the outer surface of layer 200 is moulded to the package is equipped with first measuring part 300, and first measuring part 300 extends to head end 001.

The guide wire with the measurement function provided by the embodiment is used as follows:

during the use, can make the seal wire along with equipment such as endoscope put into the internal corresponding position of patient together, judge accurately through the endoscope that the head end 001 of seal wire also the distal end is located internal concrete position to head end 001 of seal wire is as guide structure, and it is internal to advance into the patient, and tail end 002 supplies medical personnel to operate and grips, and tail end 002 is located the patient external. Get into internally and arrive at the settlement position at the seal wire after, because the head end 001 surface of seal wire is equipped with first measuring part 300, the size of a dimension that focus tissue can be measured to first measuring part 300, so, medical personnel can organize the size of a dimension as required to carry out the adjustment of operation strategy to can improve the operation success rate, the operation is convenient more reliable.

In this embodiment, optionally, the core wire 100 is an elongated structure, and the outer profile of the cross section of the core wire 100 is a circle, wherein the cross section is a plane perpendicular to the extending direction of the core wire 100. The core wire 100 comprises a first elongate section and a second elongate section connected, wherein the end of the first elongate section remote from the second elongate section is the head end 001 or distal end of the guide wire, and the end of the second elongate section remote from the first elongate section is the tail end 002 or proximal end of the guide wire. The first slender section is the guide section, the second slender section is the operation section, the first slender section is easier to bend than the second slender section, when the guide wire is used, the first slender section enters the body before the second slender section, and the first slender section is better in flexibility and easier to deform, so that the guide wire can move in the body and can pass through the bending part in the body conveniently. The second slender section is not easy to bend, so that the guide wire can be kept in a set shape when the guide wire is advanced in a body by applying thrust, and the guide of a surgical instrument is facilitated. Further, first long and thin section is provided with the undergauge portion, and the undergauge portion can also be called the reducing portion, and the cross section external diameter of undersauge portion is in the direction from head end 001 to tail end 002 and is crescent, and that is, the external diameter that the undergauge portion is close to head end 001 is minimum, through setting up the undergauge portion for first long and thin section is compared the second long and thin section and is produced bending deformation more easily. In this manner, movement of core wire 100 within the body is facilitated. It will be appreciated that the end of the reduced diameter portion remote from the second elongate section is the tip 001. Be provided with guide bulb 500 on head end 001, guide bulb 500 has smooth spherical outside surface, and frictional force is little when contacting with the tissue, does benefit to core silk 100 and removes for the tissue, and difficult damage tissue. It should be understood that the guide bulb 500 may be welded to the head end 001 of the core wire 100. In addition, the diameter of the guide ball head 500 is larger than the outer diameter of the head end 001, the welding area is large, and the welding is firm and reliable.

In this embodiment, optionally, the plastic-coated layer 200 is wrapped on the outer surface of the core wire 100, wherein the outer surface of the core wire 100 includes an outer peripheral surface and an end surface where the tail end 002 is located, and the end surface of the head end 001 is directly connected with the guiding ball head 500. The cross-sectional outer contour of the over-molding layer 200 is circular, wherein the cross-section is a plane perpendicular to the extending direction of the core wire 100. The plastic-coated layer 200 has a reduced diameter structure 210 at a portion corresponding to the reduced diameter portion of the core wire 100, and the outer diameter of the reduced diameter structure 210 gradually increases from the head end 001 to the tail end 002. The first measuring portion 300 is disposed on an outer surface of the reducing structure 210.

Alternatively, the first measuring portion 300 includes a plurality of measuring bands arranged in the extending direction of the core wire 100, and the distance of any adjacent measuring band in the extending direction of the core wire 100 is zero. That is, a plurality of measuring tapes are closely arranged in the extending direction of the core wire 100. Further, the width of each measurement band in the extending direction of the core wire 100 is equal, and when measuring the size of a tissue such as a lesion, the number of measurement bands corresponding to the lesion position is obtained first, and then the number value is multiplied by the width of each measurement band.

Further, the measuring band is provided as an endless band, and the measuring band is in an endless configuration around the axis of the core wire 100. Thus, the measuring band can be observed from any angle around the guide wire, and the size of the tissue such as a focus can be calculated conveniently by using the measuring band.

It should be noted that in other embodiments, adjacent measurement bands may have a spacing therebetween, and the width dimensions of the multiple measurement bands may not be uniform.

In other embodiments, optionally, the first measuring portion 300 is provided as graduation marks arranged in the extending direction of the core wire 100, and each graduation of the graduation marks is provided in a ring shape around the core wire 100 to facilitate reading.

In this embodiment, optionally, the first measuring portion 300 can be configured as a developing member, which is beneficial for the operator to obtain the position of the first measuring portion 300.

In addition, the first measuring portion 300 may be formed outside the plastic coated layer 200 by a process such as UV curing or printing.

In other embodiments, optionally, the portion of the plastic-coated layer 200 corresponding to the second elongated section of the core wire 100 is provided with a second measuring portion 400, the second measuring portion 400 is set as a scale mark, during the operation, the second measuring portion 400 is exposed outside the human body for the operation to visually obtain, and by observing the second measuring portion 400, the length of the guide wire entering the body can be timely and effectively known, which is beneficial to the operation.

In other embodiments, a hydrophilic layer is disposed outside the plastic coating 200 to reduce friction between the guide wire and the patient tissue after entering the body, which facilitates the movement of the guide wire in the body of the patient.

Note that, the first measuring portion 300 and the second measuring portion 400 may be both provided on the outer circumferential surface of the core wire 100. For example, the first measuring portion 300 is provided on the outer circumferential surface corresponding to the guide section, and the second measuring portion is provided on the outer circumferential surface corresponding to the operation section. Meanwhile, when the first measuring part 300 or the second measuring part 400 is provided on the core wire 100, the provision of the plastic-coated layer 200 does not affect the observation of the measuring part.

The guide wire with the measuring function provided by the embodiment can not only play a role in guiding, but also can accurately measure the sizes of focal tissues, calculi and the like, and has diversified functions.

The present embodiment also provides a surgical instrument comprising a surgical tool, which may be, but is not limited to, a snare, a biopsy forceps, a basket, etc., and the guide wire mentioned in the above embodiments, which is threaded into the surgical tool for guiding the surgical tool into the patient.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A guide wire with a measuring function is characterized by comprising:

the core wire (100) is provided with a head end (001) and a tail end (002) in the extending direction of the core wire (100), the head end (001) is used for guiding the guide wire to enter the body of a patient, the outer peripheral surface of the core wire (100) is provided with a first measuring part (300), and the first measuring part (300) extends to the head end (001).

2. The guidewire with measurement function according to claim 1, wherein:

the guide wire with the measuring function further comprises a plastic coating layer (200), and the plastic coating layer (200) is wrapped outside the core wire (100).

3. The guidewire with measurement function according to claim 1, wherein:

the first measuring section (300) includes a plurality of measuring bands arranged in the extending direction of the core wire (100), and the distance between any adjacent measuring bands in the extending direction of the core wire (100) is zero.

4. The guidewire with measurement function according to claim 3, wherein:

the measuring band is provided as an endless band.

5. The guidewire with measurement function according to claim 3, wherein:

each of the measuring tapes has an equal dimension in the direction of extension of the core wire (100).

6. The guidewire with measurement function according to claim 1, wherein:

the first measuring portion (300) is provided as a scale line arranged in the extending direction of the core wire (100).

7. The guidewire with measurement function according to claim 1, wherein:

the first measuring portion (300) is provided as a developing member.

8. The guidewire with measurement function according to claim 1, wherein:

the outer surface of the core wire (100) is further provided with a second measuring part (400), one end of the second measuring part (400) extends to the tail end (002), and the other end of the second measuring part is spaced from the first measuring part (300).

9. The guidewire with measurement function according to claim 8, wherein:

the core wire (100) comprises a guide section and an operation section which are connected, wherein one end of the guide section, which is far away from the operation section, corresponds to the head end (001), and one end of the operation section, which is far away from the guide section, corresponds to the tail end (002); the cross-sectional outer contour diameter of the guide section gradually increases in the direction from the head end (001) to the tail end (002); the operating section is arranged to be a constant diameter section, and the diameter of the operating section is not smaller than that of the guide section; the first measuring portion (300) is provided on the guide section, and the second measuring portion (400) is provided on the operation section.

10. A surgical instrument, characterized in that the surgical instrument comprises:

the guidewire with measurement functionality of any one of claims 1-9.

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