CN211243268U - Endoscope measuring device - Google Patents

Abstract

The utility model relates to an endoscope measurer, relating to the technical field of medical apparatus and instruments, wherein the endoscope measurer comprises a sheath tube, a first inner core, a second inner core and a scale; first inner core is inserted and is located the inner chamber of sheath pipe, and the inner chamber of locating the sheath pipe is inserted to the second inner core, and the scale is inserted and is located the inner chamber of sheath pipe, and the one end and the first inner core of scale rotate to be connected, and the other end rotates with the second inner core to be connected, and first inner core and second inner core can be followed first direction simultaneously and removed in order to release the scale outside the sheath pipe, and first inner core and second inner core can relative reverse movement in order to adjust the angle between scale and the sheath pipe. The technical problem that an endoscope measurer in the prior art cannot accurately measure the size of a lesion is solved.

Description

Endoscope measuring device

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to an scope caliber.

Background

In the process of endoscopy, under the condition of encountering raised or ulcerative lesions, the size of the lesion needs to be described, at present, a doctor roughly estimates the size of the lesion by means of visual estimation or comparison with the size of a biopsy forceps, and the result of the condition is that the actual size of the lesion and the estimated size of the lesion have more or less errors, no objective and quantifiable standard exists, and in clinical work, the next treatment of a patient can be adversely affected in severe cases, which is very unfavorable for clinical work.

Although an endoscope measuring device is used for measuring the size of a lesion in the prior art, due to the complex environment of the lesion (such as varicose veins of the liver), the endoscope measuring device cannot be accurately adjusted to an accurate position to accurately measure the lesion, and errors are easily caused in a measuring result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an scope caliber to alleviate the scope caliber among the prior art and can not accurately accomplish the technical problem of the measurement of pathological change size.

In order to achieve the above object, an embodiment provides an endoscopic measurer, including a sheath, a first inner core, a second inner core, and a scale;

the first inner core is inserted into the inner cavity of the sheath tube;

the second inner core is inserted into the inner cavity of the sheath tube;

the scale is inserted and located the inner chamber of sheath pipe, just the one end of scale with first inner core rotates to be connected, the other end with the second inner core rotates to be connected, first inner core with the second inner core can move along first direction simultaneously in order to with the scale is released outside the sheath pipe, first inner core with the second inner core can relative reverse movement in order to adjust the scale with the angle between the sheath pipe.

In an optional implementation manner, the endoscope measurer further includes a moving member inserted into the sheath tube, the moving member is sleeved on the first inner core and fixedly connected to the second inner core, the sheath tube is provided with a first limiting member for limiting the moving member to continuously move along a first direction, and when the moving member moves to the first limiting member, the ruler completely extends out of the sheath tube.

In an optional embodiment, a second stopper is fixedly connected to the first inner core, the moving member can restrict the second stopper to continuously move along a first direction, and when the moving member abuts against the second stopper, an angle between the scale and the sheath is 90 °.

In an alternative embodiment, the endoscopic gauge further comprises a handle secured to an end of the sheath.

In an optional embodiment, the endoscopic measurer further comprises a sliding handle, wherein the sliding handle is slidably arranged on the handle and fixedly connected with the first inner core.

In an optional embodiment, the endoscopic measurer further comprises a third limiting member movably disposed on the handle and lockable to the handle to limit a maximum angle between the scale and the sheath to 0-90 °.

In an alternative embodiment, a finger ring is provided at an end of the handle facing away from the sheath.

In an optional embodiment, the first retaining member includes a first sleeve, and the first sleeve is in interference fit with the sheath.

In an alternative embodiment, the second retaining member includes a second sleeve, and the second sleeve is in interference fit with the first inner core.

In an alternative embodiment, the first inner core and the second inner core are both of a wire rope construction.

The utility model provides an endoscope measurer, including sheath pipe, first inner core, second inner core and scale, wherein, first inner core, second inner core and scale are all inserted and are located the inner chamber of sheath pipe, the one end of scale rotates and connects in first inner core, the other end rotates and connects in the second inner core, when first inner core moves along first direction relative sheath pipe, first inner core promotes the scale at first and moves along first direction, and push the scale outside sheath pipe from the inner chamber of sheath pipe completely, the scale also drives the second inner core and moves the same distance along first direction this moment; after the scale moved outside the sheath, can fix the second inner core, along with the continuation removal of first inner core, the scale rotated as the center with its pin joint with the second inner core, promptly: the angle between the scale and the sheath tube is gradually increased, and the adjustment of the position of the scale is completed.

During the specific use, use the varicosity length of measuring the liver as an example, at first hide the scale in the sheath pipe, then insert the assigned position of scope with the sheath pipe, continuously remove first inner core along the first direction, and move to the sheath outside of tubes after-fixing second inner core at the scale, according to the angle of scope front end and the position of varicosity, adjust the angle of scale, make the length direction of scale and the length direction of varicosity department parallel, at this moment, the measurement to varicosity can be accomplished to the scale, the degree of accuracy of measured value is high, the operation process of whole scope caliber is also simple and convenient more.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in 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 for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an endoscope measuring device according to an embodiment of the present invention, when a scale and a sheath tube form an angle of 90 °;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a sectional view of a local structure of an endoscope measuring device according to an embodiment of the present invention, when the scale is hidden in the sheath.

Icon: 10-sheath tube; 20-a first inner core; 30-a second inner core; 40-a moving member; 50-scale bar; 60-a first stop; 70-a second stop; 80-a third stop; 90-a handle; 110-a sliding handle;

91-finger ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the endoscopic measurement device provided in this embodiment includes a sheath 10, a first inner core 20, a second inner core 30, and a scale 50, wherein the first inner core 20, the second inner core 30, and the scale 50 are all inserted into an inner cavity of the sheath 10, one end of the scale 50 is rotatably connected to the first inner core 20, and the other end of the scale 50 is rotatably connected to the second inner core 30, when the first inner core 20 moves along a first direction relative to the sheath 10, the first inner core 20 first pushes the scale 50 to move along the first direction, and pushes the scale 50 completely out of the sheath 10 from the inner cavity of the sheath 10, and at this time, the scale 50 also drives the second inner core 30 to move along the first direction by the same distance; after the scale 50 moves out of the sheath 10, the second inner core 30 can be fixed, and as the first inner core 20 continues to move, the scale 50 rotates around the hinge point with the second inner core 30, that is: so that the angle between the scale 50 and the sheath tube 10 is gradually increased to complete the adjustment of the position of the scale 50.

During the specific use, use the varicosity length of measuring liver as an example, at first hide scale 50 in sheath pipe 10, then insert sheath pipe 10 the assigned position of scope, first inner core 20 is continuously removed along first direction, and move to the outer fixed second inner core of back of sheath pipe 10 at scale 50, according to the angle of scope front end and the position of varicosity, adjust the angle of scale 50, make the length direction of scale 50 parallel with the length direction of varicosity department, at this moment, the measurement to varicosity can be accomplished to scale 50, the degree of accuracy of measured value is high, the operation process of whole scope caliber is also simple and convenient more.

It should be noted that, in this embodiment, the sheath 10 is a long rigid tube, and the shape of the rigid tube when the rigid tube is inserted into the endoscope is not changed basically, so as to ensure that the inner first core 20 and the inner second core 30 can move smoothly along the first direction, where the "first direction" mentioned in this embodiment is a direction in which the ruler is pushed out of the sheath in the length direction of the sheath and fixed. Finally, it is preferable that one end of the scale 50 is rotatably connected to the end of the first core 20, and the other end of the scale 50 is rotatably connected to the end of the second core 30, so that the operator can push the scale 50 by manipulating the other end of the first core 20.

It should be noted that the present embodiment also provides the following detailed description of the specific structure of the inner diameter measuring device.

In this embodiment, the endoscope measuring device further includes a moving member 40 inserted into the sheath tube 10, the moving member 40 is sleeved on the first inner core 20 and fixedly connected to the second inner core 30, the sheath tube 10 is provided with a first stopper 60 for limiting the moving member 40 to move continuously along the first direction, and when the moving member 40 moves to the position of the first stopper 60, the ruler 50 completely extends out of the sheath tube 10.

Specifically, when the scale 50 is completely hidden in the sheath 10, the second inner core is also completely hidden in the sheath 10, when the first inner core 20 moves along the first direction, the first inner core 20 firstly pushes the scale 50 to move along the first direction, the scale 50 drives the second inner core 30 and the moving member 40 to move along the first direction until the moving member 40 abuts against the first stopper 60, the second inner core 30 cannot move continuously along the first direction under the limitation of the moving member 40 (i.e., the relative fixing of the second inner core 30 and the sheath 10 is completed), the scale 50 at this time is also pushed out of the sheath 10, the first inner core 20 moves continuously forward (the right end of the sheath 10 in fig. 2) relative to the moving member 40, and the scale 50 can complete the angle adjustment. This setting has accomplished the fixed of second inner core 30 after scale 50 pushes out sheath pipe 10 automatically, need not again through operating personnel manual control, has further saved the operating procedure of scope caliber, has also reduced the operation degree of difficulty.

It should be noted that the moving member 40 is a hollow cylindrical structure, and can slide in the sheath 10, and also can allow the first inner core 20 to slide in the cavity thereof, and it can be a sleeve, or, referring to fig. 3, can also be composed of two sleeves in interference fit, at this time, the sleeve with the smaller outer diameter is longer than the sleeve with the larger outer diameter, so that the whole weight of the moving member 40 is reduced, and the guiding of the moving member 40 to the first inner core 20 is further ensured.

In this embodiment, the second limiting member 70 is fixedly connected to the first inner core 20, the moving member 40 can limit the second limiting member 70 to continuously move along the first direction, and when the moving member 40 abuts against the second limiting member 70, the angle between the scale 50 and the sheath 10 is 90 °.

Specifically, as the first inner core 20 moves in the first direction until the moving member 40 is just abutted against the first stopper 60, the entire scale 50 is pushed out of the sheath 10, and the angle between the scale 50 and the sheath 10 is 0, and as the first inner core 20 continues to move in the first direction until the second stopper 70 is abutted against the moving member 40, the angle between the scale 50 and the sheath 10 is 90 °. The arrangement enables the angle range between the scale 50 and the sheath tube 10 to be 0-90 degrees, and under the range, the scale 50 can be basically adjusted to be parallel to the length direction of the hepatic varicose veins, so that the influence on the rotation of the scale 50 and the measurement sensitivity due to the overlarge rotation angle of the scale 50 is avoided.

In this embodiment, the endoscopic measurement device further includes a handle 90 fixed to the end of the sheath tube 10.

Specifically, when the operator can insert the sheath tube 10 into the endoscope through the control handle 90, the relative fixation between the sheath tube 10 and the endoscope can be completed through the handheld handle 90, and further when the first inner core 20 moves relative to the sheath tube 10, the adjustment of the position of the scale 50 can be more stably completed.

It should be noted that the handle 90 and the sheath 10 may be made of different materials in this embodiment, and they may be detachably connected.

Alternatively, in this embodiment, the handle 90 and the sheath 10 may be made of the same material, and in this case, the handle 90 and the sheath 10 are preferably integrally formed.

In this embodiment, the endoscopic measurement device further includes a sliding handle 110, wherein the sliding handle 110 is slidably disposed on the handle 90 and is fixedly connected to an end of the first inner core 20 away from the scale 50.

Specifically, in this embodiment, the handle body of the handle 90 is of a cavity structure, the cavity of the handle is communicated with the inner cavity of the sheath tube 10, the sidewall of the handle body of the handle 90 is provided with an opening communicated with the cavity of the handle, the opening is in a long strip shape, the length direction of the opening is parallel to the length direction of the handle 90, the sliding handle 110 is slidably disposed behind the handle 90, the sliding handle 110 is fixedly connected with the first inner core 20 of the inner cavity of the sheath tube 10 through the opening, and at this time, the sliding handle 110 slides relative to the handle 90, so that the first inner core 20 can be driven to reciprocate along the first direction.

The operator can adjust the movement of the first inner core 20 by manipulating the sliding handle 110, so that the movement of the first inner core 20 in the first direction is more sensitive, and the ruler 50 can more accurately complete the position adjustment by combining with the auxiliary observation of the endoscope.

It should be noted that the length of the opening is the maximum stroke of the first inner core 20, which ensures that the ruler 50 can be pushed out of the sheath 10 by the handle 90 and reaches a position 90 ° to the sheath 10. Referring to fig. 1, in the present embodiment, a finger ring 91 is disposed at an end of the handle 90 away from the sheath 10, and the finger ring 91 is used to prevent the sliding handle 110 from falling off the handle 90.

Through setting up finger ring 91, operating personnel can be more stable the operation of completion handle 90, and effectively avoided sheath pipe 10 to take place the spin in endoscope caliber use and change and influence the position of scale 50, simultaneously, when opening length is longer on handle 90, finger ring 91 has also prevented sliding handle 110 from deviating from handle 90, has further restricted sliding handle 110's stroke.

In this embodiment, the endoscope measuring device further includes a third limiting member 80, and the third limiting member 80 is movably disposed on the handle 90 and can be locked to the handle 90, so as to limit the maximum angle between the scale 50 and the sheath 10 to 0-90 °.

Before the angle between the scale 50 and the sheath tube 10 is smaller than 90 degrees, when the scale 50 is adjusted to an accurate position, the third position-limiting member 80 can be driven to move along the opposite direction of the first direction relative to the handle 90, so that the third position-limiting member 80 abuts against the sliding handle 110, and the limitation of the sliding handle 110 is further ensured, under the auxiliary fixation of an operator, the fixation of the scale 50 at the position is ensured, and the accuracy of the scale 50 in measuring the size of a lesion is further ensured.

In this embodiment, the third limiting member 80 is slidably disposed on the handle 90. Specifically, in this embodiment, a certain clamping force is provided between the third limiting member 80 and the handle 90, when a certain force is applied to the third limiting member 80, the third limiting member 80 can be pushed to slide back and forth along the first direction relative to the handle 90, and when the pushing force is removed, the third limiting member 80 can be fixed relative to the handle 90, so as to complete the limiting of the sliding handle 110.

Alternatively, the third limiting member 80 may be a screw member, the screw member is screwed to the handle 90, and the adjustment of the third limiting member in the length direction of the handle 90 can be completed by rotating the screw member on the handle 90, so as to limit the sliding handle 110.

Referring to fig. 3, in the present embodiment, the first retaining member 60 includes a first sleeve, and the first sleeve is in interference fit with the sheath 10.

Specifically, the inner cavity of the first sleeve can be used for the first inner core 20 and the second inner core 30 to pass through simultaneously, the moving member 40 is preferably in a hollow cylindrical structure, the outer diameter of the moving member 40 is larger than the inner diameter of the first sleeve and smaller than the outer diameter of the first sleeve, the moving member can guide the first inner core 20 and can not pass through the first sleeve, and the limitation on the first inner core 20 is guaranteed.

Or, in this embodiment, the first sleeve and the sheath tube 10 may be integrally formed, and the sheath tube 10 is more conveniently and quickly formed.

Alternatively, the first limiting member 60 may be a bump structure in the present embodiment, and the limiting of the moving member 40 can also be completed.

It should be noted that, in the present embodiment, the first sleeve may be disposed in the middle of the inner cavity of the sheath tube 10, or may be disposed at the end of the sheath tube 10.

Referring to fig. 3, in the present embodiment, the second position-limiting member 70 includes a second sleeve, and the second sleeve is in interference fit with the first inner core 20.

Specifically, when moving member 40 is the hollow cylinder body structure, only need to guarantee that the external diameter of second sleeve is greater than the internal diameter of moving member 40, can accomplish the spacing of moving member 40 to the second sleeve.

In this embodiment, the first inner core 20 and the second inner core 30 are both of a wire rope structure.

Specifically, the first inner core 20 and the second inner core 30 both have a certain diameter, and a single first inner core 20 or a single second inner core 30 can not deform under the action of the scale 50 while completing the limitation of the scale 50.

It should be noted that, in this embodiment, the scale 50, the first inner core 20 and the second inner core 30 may be all in a belt-like structure and are parallel to each other, and then the scale 50 is pivotally connected to the first inner core 20 and pivotally connected to the second inner core 30; at this time, when the first inner core 20 moves along the first direction, the scale 50 can only rotate around the pivot shaft at the pivot joint with the second inner core 30, that is, the rotation direction of the scale 50 is limited while the second inner core 30 is fixed, thereby further improving the accuracy of adjusting the scale 50.

It should be noted that, in the case of conflict, the features in the embodiments of the present invention may be combined with each other.

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. An endoscopic meter, comprising:

a sheath tube (10);

a first inner core (20), wherein the first inner core (20) is inserted into the inner cavity of the sheath (10);

the second inner core (30), the said second inner core (30) is inserted and located in the lumen of the said sheath (10); and

scale (50), scale (50) are inserted and are located the inner chamber of sheath pipe (10), just the one end of scale (50) with first inner core (20) rotate to be connected, the other end with second inner core (30) rotate to be connected, first inner core (20) with second inner core (30) can be simultaneously along first direction removal in order to with scale (50) is released outside sheath pipe (10), first inner core (20) with second inner core (30) can relative reverse movement in order to adjust scale (50) with angle between sheath pipe (10).

2. The endoscopic measuring device according to claim 1, further comprising a moving member (40) inserted into the sheath tube (10), wherein the moving member (40) is sleeved on the first inner core (20) and fixedly connected to the second inner core (30), the sheath tube (10) is provided with a first stopper (60) for limiting the moving member (40) to move continuously along a first direction, and when the moving member (40) moves to the first stopper (60), the scale (50) extends out of the sheath tube (10) completely.

3. An endoscopic measurement unit according to claim 2, wherein said first inner core (20) is fixedly connected with a second stopper (70), said moving member (40) can limit the second stopper (70) to move continuously along a first direction, and when said moving member (40) abuts against said second stopper (70), the angle between said scale (50) and said sheath (10) is 90 °.

4. Endoscopic gauge according to claim 3, characterized in that it further comprises a handle (90) fixed to the end of the sheath (10).

5. The endoscopic measurement device according to claim 4, further comprising a sliding handle (110), wherein the sliding handle (110) is slidably disposed on the handle (90) and is fixedly connected to the first inner core (20).

6. Endoscopic gauge according to claim 5, further comprising a third stop (80), said third stop (80) being movably arranged to said handle (90) and being lockable to said handle (90) to limit the maximum angle between said scale (50) and said sheath (10) to between 0-90 °.

7. An endoscopic measurer according to any one of claims 4 to 6, wherein an end of said handle (90) facing away from said sheath (10) is provided with a finger ring (91).

8. An endoscopic gauge according to any of claims 2-6, wherein said first stop (60) comprises a first sleeve, said first sleeve being in interference fit with said sheath (10).

9. Endoscopic gauge according to any of claims 3-6, wherein said second stop (70) comprises a second sleeve having an interference fit with said first inner core (20).

10. Endoscopic gauge according to any of claims 1 to 6, wherein said first inner core (20) and said second inner core (30) are both of a wire rope construction.

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