CN111419364B

CN111419364B - Multi-flap separately-controlled wrapped type lumen foreign body clamping and taking-out device

Info

Publication number: CN111419364B
Application number: CN202010235419.0A
Authority: CN
Inventors: 周正统; 李玉玲
Original assignee: Shandong Qianfoshan Hospital
Current assignee: Shandong Qianfoshan Hospital
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2023-06-09
Anticipated expiration: 2040-03-30
Also published as: CN111419364A

Abstract

The invention discloses a multi-flap split control wrapped type cavity tube foreign body clamping and taking-out device, which comprises a handle, three manual pulling sheets, three clamping flaps, three steel wire ropes, an actuating end, a spring tube and an anti-torsion sleeve, wherein the handle is arranged on the handle; the three manual shifting sheets are connected with the handle through springs, each manual shifting sheet controls one clamping flap through one steel wire rope, the three clamping flaps are independently controlled through the three manual shifting sheets and the three steel wire ropes, one end of each steel wire rope is fixed on the manual shifting sheet, the other end of each steel wire rope passes through a guiding device and then sequentially passes through the anti-torsion sleeve and the spring tube to be connected with one clamping flap, the tops of the three clamping flaps are installed on the actuating end through connecting pieces, and the other ends of the three clamping flaps pass through fan-shaped strip holes at the bottom of the disposable sheath.

Description

Multi-flap separately-controlled wrapped type lumen foreign body clamping and taking-out device

Technical Field

The invention relates to a foreign matter wrapping type clamping and taking-out device for irregular shapes in cavities such as nasal cavities or auditory canals, in particular to a multi-flap split control wrapping type cavity tube foreign matter clamping and taking-out device.

Background

At present, the traditional taking-out mode is that a general instrument or a self-made simple tool is taken out aiming at irregular foreign matters in cavities such as nasal cavities or auditory canals, and the mode depending on the self-made simple tool or depending on experience and skill level of doctors has the conditions of inaccurate clamping and positioning, insensitive control, pain increase for patients, incapability of wrapping the foreign matters, easy damage to tissues, easy secondary injury and the like, thereby affecting the treatment efficiency and increasing the practice risk and the working strength of doctors.

Disclosure of Invention

Aiming at the situation, the invention provides the multi-flap type split control wrapped cavity tube foreign body clamping and taking-out device which is convenient to manufacture and use, convenient and safe and low in processing cost, and is designed from factors such as multi-flap type split clamping, precise foreign body grabbing, accuracy maintenance and endoscope peeping.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

a multi-flap separately-controlled wrapped type lumen foreign body clamping and taking-out device comprises a handle, three manual pulling sheets, three clamping flaps, three steel wire ropes, an actuating end, a spring tube and an anti-torsion sleeve; the three manual shifting sheets are connected with the handle through springs, each manual shifting sheet controls one clamping flap through one steel wire rope, the three clamping flaps are independently controlled through the three manual shifting sheets and the three steel wire ropes, one end of each steel wire rope is fixed on the manual shifting sheet, the other end of each steel wire rope passes through a guiding device and then sequentially passes through the anti-torsion sleeve and the spring tube to be connected with one clamping flap, the tops of the three clamping flaps are installed on the actuating end through connectors, and the other ends of the three clamping flaps pass through fan-shaped strip holes at the bottom of the disposable sheath.

As a further technical scheme, a through hole is arranged at the center or the eccentric position of the anti-torsion sleeve and is used as a channel of the endoscope.

As a further technical scheme, the anti-torsion sleeve is connected with the handle through the conical connecting sleeve, the corresponding position of the handle and the anti-torsion sleeve is a cavity, the cavity is matched with a detachable end cover, and the detachable end cover can be rotated to be detached and is assisted by an endoscope or a light source.

As a further technical scheme, the actuating end is used as a carrier of components such as a clamping flap and the like to provide motion support for the actuating end, three groups of pin holes are arranged on the side wall of the actuating end, each group of pin holes comprises two pin holes, the two pin holes and the same pin rod form concentric hole shaft fit, the pin rod coaxially penetrates through the two pin holes and the reserved through hole of the clamping flap, and the clamping flap is supported to perform circumferential motion.

As a further technical scheme, the bottom of the actuating end head forms three triangular grooves from the center to the outside, the included angle between every two adjacent triangular grooves is 120 degrees, the tops of the three clamping petals are installed in the corresponding triangular grooves through a connector, the connector is provided with a pin column, the side wall of the triangular groove is provided with the pin column, and two ends of a spring are clamped on the two pin columns to provide elasticity for the corresponding clamping petals.

As a further technical scheme, the number of the fan-shaped strip holes is three, the fan-shaped strip holes and the clamping petals are distributed at the same angle, the same radian and the same position, and a passage is provided for nesting the disposable sheath and the actuating end.

As a further technical scheme, one end of the spring tube is connected with the handle through the conical connecting sleeve to drive the angle torsion and deflection.

As a further technical scheme, the two ends of the steel wire rope are provided with a ball head and a ball head II which are respectively connected with a connector on the clamping flap and a C-shaped groove on the manual pulling piece, so that power transmission and actuation of the connector and the C-shaped groove are realized.

The beneficial effects of the invention are as follows:

1. compared with the prior general appliance, the invention has the advantages of accurate clamping and positioning, sensitive control, less pain of patients and the like; specifically, through forming three triangular grooves from the center to the outside in the bottom of the actuation end, the contained angle between the adjacent triangular grooves is 120 °, and the top of three clamping flaps is installed in the corresponding triangular groove through a connector, is equipped with the round pin post on the connector, is equipped with the round pin post at triangular groove lateral wall, and the both ends card of a spring are on two round pin posts, provide elasticity for the clamping flaps that correspond.

2. The multi-flap type transfer clamping device is designed to clamp the multi-flap type transfer clamping device, can achieve accurate grabbing and accuracy maintaining of irregular foreign matters, achieves wrapping of the foreign matters, avoids damage to tissues, secondary damage and the like, improves treatment efficiency, and reduces medical risks and working strength of doctors.

3. By adopting the redundant reserved design, auxiliary devices and instruments such as endoscope peeping or light sources can be increased; namely, a through hole is arranged at the center or the eccentric position of the anti-torsion sleeve and is used as a channel of the endoscope. The anti-torsion sleeve is connected with the handle through the conical connecting sleeve, the detachable end cover is arranged on the handle, the end cover 4 can be detached in a rotating mode, and an endoscope or a light source is used as an auxiliary.

4. The middle part of the invention is made of a spring matched with a flexible material, and can be bent at a large angle according to the requirement, so that the sight obstruction of a special position to a user is avoided.

5. The invention has simple operation, changes the traditional operation method of taking out by using universal instruments or self-made simple tools, and reduces the experience and skill level requirements of doctors.

6. The disposable degradable disposable material is convenient and safe to use, low in manufacturing cost and convenient to maintain, and the contact part of the disposable degradable disposable material with the human body is low in cost, and has no cross feeling and environmental pollution.

Drawings

FIGS. 1 and 2 are exploded views of a multi-flap split control type lumen foreign body clamping and taking-out device;

FIGS. 3 and 4 are block diagrams of the clamping portion of the present invention;

FIG. 5 is an assembly view of a multi-lobed, separately controlled, lumen foreign body gripping retrieval device;

in the figure: 1, a handle; 2 a cylindrical cavity; 3, a knurling groove; 4, end covers; 5 threads; 6, grooves; 7, a threaded hole; 8 countersunk holes; 9 screws; 10 pulleys; 11 pin shafts; 12 an adjusting ring; 13 pin shaft threaded holes; 14 steel wire rope; 15 steel wire rope holes; 16 through holes; 17 anti-torsion sleeves; 18 spring tube; 19 ball heads; 20 an actuation end; a 21 pin hole; 22 pin rods; a 23 spring; 24 through holes; 25 clamping petals; 26 a disposable sheath; 27 sector-shaped strip holes; 28 pin posts; 29 cylindrical holes; 30 cavity bodies; 31 cone-shaped connecting sleeve; 32 threads; 33 ball heads II; 34C-type groove; 35 through holes II; 36 manual shifting pieces; 37 pin II; 38. a pin shaft threaded hole II; 39 pin II; 40 spring II; 41 screw II; 42 countersink II; 43 limit stops; 44 pin III; 45 triangular grooves; 46 pins iv.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular forms also are intended to include the plural forms unless the present invention clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if they mean only that the directions are consistent with the upper, lower, left, and right directions of the drawings per se, and do not limit the structure, only for convenience of description and simplification of the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As introduced by the background technology, at present, the traditional taking-out mode is to take out the ordinary instrument or the self-made simple tool for irregular foreign matters in cavities such as nasal cavities or auditory canals, and the mode depending on the self-made simple tool or depending on experience and skill level of doctors has the conditions of inaccurate clamping and positioning, insensitive control, increased pain of patients, incapability of wrapping the foreign matters, easy damage to tissues, easy occurrence of secondary damage and the like, thereby affecting the treatment efficiency and increasing the practice risk and the working strength of doctors. In order to solve the technical problems, the invention provides a multi-valve split control wrapped type lumen foreign body clamping and taking-out device.

The invention discloses a multi-flap separately-controlled wrapped type lumen foreign body clamping and taking-out device, which is shown in figures 1-5 and comprises a handle 1; a cylindrical cavity 2; a knurling groove 3; an end cap 4; a thread 5; a groove 6; a threaded hole 7; a counter bore 8; a screw 9; a pulley 10; a pin 11; an adjusting ring 12; a pin threaded hole 13; a wire rope 14; a wire rope hole 15; a through hole 16; a torsion preventing sleeve 17; a spring tube 18; a ball 19; an actuation end 20; pin holes 21; a pin 22; a spring 23; a through hole 24; a clamping flap 25; a disposable sheath 26; a scalloped aperture 27; a pin 28; a cylindrical hole 29; a cavity 30; a cone-shaped connecting sleeve 31; threads 32; ball II 33; a C-shaped groove 34; a through hole II 35; a manual paddle 36; pin ii 37; pin threaded hole II 38; a pin II 39; a spring II 40; screw II 41; counter bore II 42; a limit stopper 43; pin iii 44; triangular grooves 45; pins IV 46, etc.;

wherein the anti-torsion sleeve 17 is made of nylon plastic; the disposable sheath 26 is made of PVC material; the clamping flap 25 can be made of silica gel or PVC, etc. according to the requirement.

A screw 9; an adjusting ring 12; a wire rope 14; a spring tube 18; a ball 19; a pin 22; a spring 23; ball II 33; a spring II 40; the screw II 41 is a bearing standard part or a special-shaped part.

A handle 1; an end cap 4; a pulley 10; a pin 11; an actuation end 20; a pin 28; a cone-shaped connecting sleeve 31; a manual paddle 36; pin ii 37; a pin II 39; a limit stopper 43; pin iii 44; the solid structures such as the pin IV 46 are formed by machining 316 stainless steel, and the solid structures have good cutting machining performance and medical corrosion resistance.

The specific structure and the matching relationship of each component are described below:

the handles 1 are distributed in a step-shaped wedge shape and are used for holding different fingers; the manual pulling piece 36 is in contact with the finger of an operator, and the force is transmitted through the steel wire rope 14 to actuate the clamping flap 25 to rotate around the pin hole 21 at a small angle so as to realize the opening and closing function; a spring II 40; providing a spring force to the manual paddle 36; the pin II 37 and the pin III 44 clamp the spring II 40 and are concentrically matched and fixed with the inner ring of the pin II and the pin III to provide elasticity for the manual shifting sheet 36; pin threaded hole II 38; the screw II 41 is matched with a screw pair to realize the connection and fixation of related components such as a pin II 39, a manual pulling piece 36 and the like on the handle 1; the limit stop 43 is used to achieve circumferential limit when the manual paddle 36 is actuated.

The handle is provided with a countersunk hole II 42, and the countersunk hole II 42 provides connection and storage for a screw II 41 process head, so that the appearance flatness and the holding comfort of the handle 1 are maintained; the screw II 41 and the pin shaft threaded hole II 38 form a threaded pair to be matched, and the pin shaft II 39, the manual shifting sheet 36 and other related components are connected and fixed on the handle 1 through the countersunk hole II 42;

a cylindrical cavity 2 is also arranged at the end part of the handle 1, and the cylindrical cavity 2 provides a storage space for related components; the cylindrical cavity 2 is provided with an end cover 4, and the end cover 4 is connected with the cylindrical cavity 2 on the handle 1 through a screw pair; the detachable connection of the end cap 4 is realized, wherein the threads 5 on the end cap 4 and the threaded holes 7 form the threaded pair connection. The end cover 4 is provided with a knurling groove 3 for increasing friction force and realizing the disassembly of the end cover 4.

Grooves 6 are formed in the inner wall of the cylindrical cavity 2, the grooves 6 are respectively arranged on two sides of the inner wall of the cylindrical cavity on the handle 1 and are distributed at 90 degrees with the handle, and are used for realizing a mounting channel of the pin shaft 11; a counter bore 8 is arranged on the outer wall of the cylindrical cavity 2, and the counter bore 8 and a screw 9 form a loose fit of a bore shaft; the screw 9 is connected with the pin shaft threaded hole 13 through the back threaded end of the counter bore 8 to form a threaded pair.

The pulleys 10 are designed into a plurality of pulleys, are distributed in the cylindrical cavity 2 at equal intervals along the axial direction, are provided with through holes at the center and are matched with the pin shafts 11 to form hole shaft, and rotate around the pin shafts 11 after being wound by the steel wire ropes 14; the center of the pin 11 is provided with a pin threaded hole 13, the outer end face and the central through hole of the pulley 10 form concentric hole shaft fit, and the pin threaded hole 13 of the inner end face and the screw 9 form thread pair fit; the adjusting ring 12 is provided with a plurality of physical characteristics, and is matched with the pin shaft 11 to form a concentric hole shaft so as to realize the axial position fixation of the pulley 10 on the pin shaft 11; the pin shaft threaded hole 13 and the screw 9 form a threaded pair to be matched, so that the positions of the pin shaft 11, the pulley 10 and the adjusting ring 12 on the cylindrical cavity 2 are fixed and locked;

the two ends of the steel wire rope 14 are provided with the ball head 19 and the ball head II 33 which are respectively connected with the C-shaped groove and the hollow cavity 30 on the manual pulling piece 36, so that the power transmission and the actuation of the two are realized; the wire rope holes 15 and the wire ropes 14 form concentric hole shaft matching for realizing isolation and protection among the wire ropes.

A through hole 16 is arranged at the center or eccentric position of the anti-torsion sleeve 17 and is used as a channel of the endoscope; according to the shape of the foreign matter in the cavity, the cover 4 can be rotationally detached and assisted by an endoscope or a light source in the process of completing the wrapping of the foreign matter and taking out the foreign matter by opening and closing the clamping flaps 25 by rotating the device to the clamping angle and pressing the manual pulling piece 36 at different positions.

The anti-torsion sleeve 17 is concentrically matched with the spring tube 18 and is used for limiting and preventing wear and torsion winding of the steel wire rope 14; one end of the spring tube 18 is connected with the actuating end head 20 through a conical connecting sleeve 31 and then is connected with a handle to drive the angle torsion and deflection; the ball head 19 enters the cavity 30 through the cylindrical hole 29 to drive the clamping flap 25 to do limiting circumferential movement around the through hole 24 and the pin rod 22; the cavity 30 is a single-sided open cavity structure providing storage and movement space for the ball head 19.

The upper end of the conical connecting sleeve 31 is connected with the handle 1 through threads, and the lower end is connected with the spring tube 18 through coaxial nesting; the thread 32 and the thread at the bottom end of the cylindrical cavity 2 form a thread pair connection;

the ball head II 33 is embedded into the C-shaped groove 34 to form tight fit, and the movement and the position fixation in the horizontal direction are realized; the C-shaped groove 34 is used for clamping the ball head II 33 and providing a passage for the movement in the horizontal direction; the through hole II 35 and the pin II 39 are uniformly matched to form a hole shaft.

Further, the actuating end 20 is used as a carrier for the components such as the clamping flap 25, and provides a motion support for the components, the whole body is cylindrical, three triangular grooves 45 are arranged at the bottom of the actuating end, and the triangular grooves 45 are uniformly distributed on the actuating end 20 at 120-degree angular intervals to provide a storage space for the clamping flap 25 and the accessory components thereof. Three groups of pin holes are formed in the side wall of the actuating end head 20, each group of the pin holes comprises two pin holes 21, a pin rod 22 passes through one of the pin holes 21, passes through a through hole 24 and then passes through the other pin hole 21, and a clamping flap 25 is positioned through the pin rod, so that the actuating of the clamping flap 25 is realized; the pin 22 supports the clamping flap 25 for circumferential movement; the pin 28 is arranged on the connecting head at the top of the clamping flap 25, and the pin IV 46 is arranged on the groove wall of the actuating end 20; the inner ring of the spring 23 is respectively arranged between the pin 28 and the pin IV 46 to form concentric fit, so as to provide elasticity for the clamping flap 25.

In the device, three pin rods 22 are arranged in total, one pin rod 22 corresponds to one clamping flap 25, and three clamping flaps 25 enclose a circle; the clamping device is used for clamping foreign matters in the cavity, adopts a silica gel or PVC material to wrap 316 stainless steel frame structure, and has rigidity and flexibility.

A connector is arranged at the top of each clamping flap 25, a cylindrical hole 29 is arranged on the connector, the cylindrical hole 29 is a cylindrical cavity, the diameter of the section is consistent with that of the ball head 19, and a passage is provided for the ball head 19 to enter and exit the cavity body 30.

The top end of the disposable sheath 26 is an open end, and the bottom end is provided with a fan-shaped strip hole 27 which can penetrate through the clamping flap 25 to be nested and matched with the actuating end 20; the number of the fan-shaped strip holes 27 is three, the fan-shaped strip holes 27 and the clamping petals 25 are distributed at the same angle, the same radian and the same position, and a passage is provided for nesting the disposable sheath 26 and the actuating end head 20; the disposable sheath 26 is sleeved on the outer ring of the actuating end head 20; the disposable sheath 26 is made of disposable degradable consumable materials, and has no cross sense and no environmental pollution.

Referring to fig. 5, an assembly diagram of a multi-flap, split-control type device for clamping and removing foreign matter from a lumen according to the present invention is shown. All the through connection, the plug connection, the hole shaft matching, the screw pair connection and the nested matching in the mechanism are completed, and related functions are operated according to the following steps.

Step 1, the spring tube 18 is broken to a proper angle, so that the sight is prevented from being blocked;

step 2, the actuating end 20 and the components thereof are inserted into the cavity of the patient;

step 3, according to the shape of the foreign matters in the cavity, rotating the device to a clamping angle, and completing the wrapping of the foreign matters by opening and closing the clamping petals 25 through pressing the manual shifting sheets 36 at different positions, and taking out the foreign matters;

step 4, in the process of step 3, the end cover 4 can be rotationally detached and an endoscope or a light source is used as an auxiliary;

step 5, disassembling the disposable sheath 26, and sterilizing to avoid cross infection;

step 6. The disposable sheath 26 is replaced and then the steps 1-5 are repeated.

Claims

1. The multi-flap separately-controlled wrapped type cavity tube foreign body clamping and taking-out device is characterized by comprising a handle, three manual pulling sheets, three clamping flaps, three steel wire ropes, an actuating end, a spring tube and an anti-torsion sleeve; the three manual pulling sheets are connected with the handle through springs, each manual pulling sheet controls one clamping flap through one steel wire rope, the three clamping flaps are independently controlled through the three manual pulling sheets and the three steel wire ropes, one end of each steel wire rope is fixed on the manual pulling sheet, the other end of each steel wire rope sequentially passes through the anti-torsion sleeve and the spring tube to be connected with one clamping flap after being guided by the guide device, the tops of the three clamping flaps are respectively installed on the actuating end through connectors, and the other ends of the clamping flaps pass through fan-shaped strip holes at the bottom of the disposable sheath; the anti-torsion sleeve is concentrically matched with the spring tube and is used for limiting the steel wire rope, preventing wear and twisting and winding;

the actuating end head is used as a carrier for clamping the valve and the accessory component thereof and provides motion support for the valve; the actuating end is cylindrical, three triangular grooves are formed in the bottom of the actuating end from the center to the outside, and the triangular grooves are uniformly distributed on the actuating end at intervals of 120 degrees and provide storage spaces for the clamping petals and accessory components thereof; three groups of pin holes are formed in the side wall of the actuating end, each group of pin holes comprises two pin holes, the two pin holes and the same pin rod form concentric hole shaft fit, the pin rod coaxially penetrates through the two pin holes and the through holes reserved in the clamping valve, and the clamping valve is supported to do circumferential movement; the top of the clamping flap is installed in the corresponding triangular groove through the connector, pin columns are respectively arranged on the connector and the groove wall of the triangular groove, springs are arranged between the two pin columns and form concentric fit, and elasticity is provided for the clamping flap.

2. The multi-flap split control wrap type lumen foreign body gripping and removing device of claim 1, wherein a through hole is provided at the center or eccentric position of the anti-torsion sleeve as a passage of the speculum.

3. The multi-flap split control wrapped type lumen foreign body clamping and taking-out device according to claim 2, wherein the anti-torsion sleeve is connected with the handle through the conical connecting sleeve, a cavity is formed in the position, corresponding to the anti-torsion sleeve, of the handle, the cavity is matched with a detachable end cover, and the detachable end cover can be rotated to assist an endoscope or a light source.

4. The multi-flap split control wrapped type lumen foreign body clamping and taking-out device according to claim 1, wherein the spring tube is connected with the handle through a conical connecting sleeve, and can be driven to realize angle torsion and deflection.

5. The multi-flap split control wrapped type lumen foreign body clamping and taking-out device according to claim 1, wherein a ball head and a ball head II are arranged at two ends of the steel wire rope, and are respectively connected with a connector on a clamping flap and a C-shaped groove on a manual pulling piece, so that power transmission and actuation of the connector and the C-shaped groove are realized.

6. The multi-flap split control wrapped type lumen foreign body clamping and taking-out device according to claim 1, wherein three fan-shaped strip holes are arranged, the fan-shaped strip holes and the clamping flaps are distributed at the same angle, the same radian and the same position, and a passage is provided for nesting the disposable sheath and the actuating end.

7. The multi-flap split control wrapped type lumen foreign object clamping and taking-out device according to claim 1, wherein the three manual pulling pieces are contacted with fingers of an operator, each manual pulling piece provides elastic force through a spring II, the pin II and the pin III clamp the spring II, and the spring II is concentrically matched and fixed with the pin II and the inner ring of the pin III.

8. The multi-flap split control wrapped type lumen foreign body clamping and taking-out device according to claim 1, wherein the clamping flaps are made of silica gel or PVC material and wrapped with a stainless steel frame structure, and the clamping flaps have rigidity and flexibility.