Length measurement and suction device for endoscope

Abstract

The utility model relates to a length measurement and suction device for an endoscope, which comprises a handle with a handheld part at the tail end and a measuring part at the head end, a suction channel is arranged in the handle, a suction outlet of the suction channel is arranged at the root of the handheld part, a suction inlet of the suction channel is arranged at the end of the measuring part, and a suction port of the suction channel is arranged at the tail end of the handle. A distance measuring cavity parallel to the suction channel is formed in the measuring part, a soft distance measuring strip is arranged in the distance measuring cavity, measuring scales are arranged on the surface of the head end of the distance measuring strip, and a position control device for controlling the distance measuring strip to stretch out or retract back along the distance measuring cavity is arranged at the tail end of the distance measuring strip. According to the utility model, the suction device is combined with the distance measuring device, so that the size of the lesion range can be measured while blood and secretions in the lesion range are removed and the visual field of the measurement range is fully exposed. The distance measuring strip is made of a soft elastic material, can be bent to penetrate into a deep cavity gap structure or a curve area with an obvious angle, and does not damage surrounding tissues.

Description

TECHNICAL FIELD

[0001] The utility model belongs to endoscope suction device technical field, especially relate to a length measurement and suction device for endoscope. BACKGROUND

[0002] Endoscopic surgery is the most common surgical method for otolaryngologists, especially in recent years, more and more operations can be performed by endoscopic minimally invasive surgery. However, due to the single-handed operation of the otolaryngology endoscope, the young doctors change the instruments more complicatedly and time-consumingly during the operation. For some repair surgery (tympanic membrane repair, cerebrospinal fluid rhinorrhea repair), tumor resection surgery, etc., the operation can only be performed after fully understanding the lesion range. In addition, many endoscopic surgeries will cause unclear vision due to bleeding and other factors, which will cause the surgeon to make a biased judgment of the surgical field. In addition, the cumbersome steps of changing instruments are a great challenge for young doctors lacking experience. At present, neither the imaging system, the endoscope system nor the supporting fine instruments can fully measure the size, area or depth of the lesion, and the small cavity structure of otolaryngology. The previous rigid micro-distance meter patent technology cannot measure the desired deep cavity structure area or obviously angled curved area. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a length measurement and suction device for endoscope, which can remove blood and secretions in the lesion range and fully expose the measurement range of vision while measuring the size of the lesion range.

[0004] The utility model adopts the technical scheme that a length measurement and suction device for endoscope is provided, which comprises a handle with a hand-held part at the tail end and a measurement part at the head end. An suction channel is arranged in the handle. The suction outlet of the suction channel is arranged at the root of the hand-held part. The suction inlet of the suction channel is arranged at the end of the measurement part. A distance measuring cavity is arranged in the measurement part in parallel to the suction channel. A soft distance measuring strip is arranged in the distance measuring cavity. The head end surface of the distance measuring strip is provided with a measurement scale. The tail end of the distance measuring strip is provided with a position control device for controlling the extension or retraction of the distance measuring strip along the distance measuring cavity.

[0005] Preferably, the suction channel is provided with a branch channel in the handle. The branch outlet of the branch channel is arranged on the side surface of the hand-held part.

[0006] Preferably, a one-way valve that can only inhale air into the suction channel in one direction is arranged at the branch outlet.

[0007] Preferably, the head end of the measurement part is provided with a distance measuring port. The distance measuring port is matched with the size of the distance measuring strip. A one-way baffle is arranged at the distance measuring port.

[0008] Preferably, the position control device is a push rod, which is slidably disposed in a mounting groove on the side wall of the ranging cavity, and the mounting groove is arranged axially along the surface of the handle.

[0009] Preferably, the position control device is a helical gear, the knob is rotatably installed in the mounting groove on the side wall of the ranging cavity, and the tail end surface of the ranging bar is provided with a rack that meshes with the helical gear.

[0010] The beneficial effects are as follows: This invention combines a suction device with a ranging device, allowing for the measurement of the lesion's size while simultaneously clearing blood and secretions from the lesion area and fully exposing the measurement field of view. The ranging strip is made of a soft, elastic material, allowing it to bend deep into cavities or areas with significant angles without damaging surrounding tissues. Attached Figure Description

[0011] Figure 1 This is a cross-sectional view of a length measurement and suction device for endoscopes.

[0012] Among them, 1-handheld part; 101-suction channel; 102-suction outlet; 103-distribution outlet; 104-one-way valve; 105-suction switch; 2-measuring part; 201-suction inlet; 3-distance measuring cavity; 301-distance measuring bar; 302-push rod; 303-mounting groove; 304-one-way baffle. Detailed Implementation

[0013] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0014] like Figure 1 As shown, this utility model provides a length measurement and suction device for an endoscope, including a handle with a handheld part 1 at the tail end and a measuring part 2 at the head end. The handle is provided with a suction channel 101. The suction outlet 102 of the suction channel 101 is located at the root of the handheld part 1. The suction inlet 201 of the suction channel 101 is located at the end of the measuring part 2. The measuring part 2 is provided with a distance measuring cavity 3 parallel to the suction channel 101. The distance measuring cavity 3 is provided with a soft distance measuring strip 301. The surface of the head end of the distance measuring strip 301 is provided with a measuring scale. The tail end of the distance measuring strip 301 is provided with a position control device for controlling the distance measuring strip 301 to extend or retract along the distance measuring cavity 3.

[0015] In one embodiment, the suction channel 101 is provided with a branch channel in the handle, and the branch channel outlet 103 is arranged on the side of the hand-held part 1, and a one-way valve 104 is arranged at the branch channel outlet 103, which can only suck air into the suction channel 101 in one direction. Through the design of the branch channel, the operator can press the branch channel to increase the suction force of the suction channel 101 when holding the hand-held part 1 with one hand, and conveniently adjust the suction force of the suction channel 101. In addition, the surface of the hand-held part 1 is also provided with a suction switch, and the suction switch can be switched to quickly open or close the suction channel 101.

[0016] In one embodiment, the head end of the measuring part 2 is provided with a distance measuring port, which is matched in size with the distance measuring strip 301, and a one-way baffle 304 is arranged at the distance measuring port, which is hinged at the distance measuring port and larger in size than the distance measuring port, so that the one-way baffle 304 can only be pushed outward to open by the distance measuring strip 301 and cannot be retracted inward into the distance measuring cavity. When the distance measuring strip 301 is not used, the distance measuring strip 301 is completely received in the distance measuring cavity 3 and closed by the one-way baffle 304, in which case the utility model can be used as an ordinary suction device.

[0017] In one embodiment as shown in the drawings, Figure 1 In one embodiment as shown in the drawings,

[0018] In other embodiments, the position control device is a pinion, and the knob is rotatably installed in the installation cavity of the side wall of the distance measuring cavity 3, and the tail end surface of the distance measuring strip 301 is provided with a rack engaged with the pinion. The operator can extend or retract the distance measuring strip 301 by turning the pinion with the thumb when holding the hand-held part 1 with one hand.

[0019] In one embodiment, the hand-held part 1 is provided with a suction switch 105, which includes a rotary sealing valve, and the control rod of the rotary sealing valve is arranged on the surface of the side wall of the hand-held part 1. The doctor can rotate the valve body in the suction channel 101 by turning the control rod, and when the valve body is rotated to be parallel to the axial direction of the suction channel 101, it is fully open, and when the valve body is rotated to be perpendicular to the axial direction of the suction channel 101, it is closed. In other embodiments, the on-off of the suction channel 101 can also be controlled by an external suction device.

[0020] The utility model discloses a range of pathological changes is observed first through endoscope, if there is a lot of blood dirt, secretion and so on influence the dirt of sight first start and the suction equipment connected with the suction path 101 of the utility model and open the suction switch 101, according to actual situation press or release the branch mouth adjusting suction intensity to clear away blood dirt or secretion, subsequently with the ranging mouth of ranging cavity 3 as the starting point aligns the starting edge of the pathological change range to be measured, and the ranging strip 301 is pushed out slowly through the position control device, until the end of ranging strip 301 abuts the end point of the pathological change range to be measured, and then the utility model is exited and reads the scale value on ranging strip 301. The utility model discloses simple operation, can complete the suction path 101 of opening and closing, control suction intensity, obtain measurement data and so on work with one hand, and it is convenient to accurately control the measurement operation.

Claims

1. A length measurement and suction device for an endoscope, characterized by, Handle comprising a hand-held part at the tail end and a measuring part at the head end, the handle being provided with a suction channel inside, the suction outlet of the suction channel being arranged at the root of the hand-held part, the suction inlet of the suction channel being arranged at the end of the measuring part, The measuring part is provided with a distance measuring cavity parallel to the suction channel, the distance measuring cavity being provided with a soft distance measuring strip, the head end surface of the distance measuring strip being provided with a measuring scale, the tail end of the distance measuring strip being provided with a position control device for controlling the extension or retraction of the distance measuring strip along the distance measuring cavity.

2. The device according to claim 1, wherein The suction channel is provided with a branch channel inside the handle, the branch outlet of the branch channel being arranged at the side of the hand-held part.

3. The device according to claim 2, wherein the length of the endoscope is measured by the length of the tube. The branch outlet is provided with a one-way valve which can only suck air into the suction channel in one direction.

4. The device according to claim 1, wherein the length of the endoscope is measured and the device is used for suctioning. The head end of the measuring part is provided with a distance measuring opening, the distance measuring opening being matched in size with the distance measuring strip, the distance measuring opening being provided with a one-way baffle.

5. The device according to claim 1, wherein the length of the endoscope is measured and the device is used for suctioning. The position control device is a push rod, the push rod being slidably arranged in a mounting groove in the side wall of the distance measuring cavity, the mounting groove being arranged axially along the surface of the handle.

6. The device according to claim 1, wherein the length of the endoscope is measured and the device is used for suctioning. The position control device is a pinion, the pinion being rotatably mounted in a mounting groove in the side wall of the distance measuring cavity, the tail end surface of the distance measuring strip being provided with a rack which is engaged with the pinion.

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