CN111419364A - Multi-segment separately-controlled wrapped type lumen foreign matter clamping and taking-out device - Google Patents

Abstract

The invention discloses a multi-valve sub-control wrapping type cavity tube foreign body clamping and removing device, comprising a handle, three manual paddles, three clamping flaps, three steel wire ropes, an actuating end, a spring tube, a Twist sleeve; the three manual paddles are connected to the handle through springs, each manual paddle controls one clamping flap through a wire rope, and the three clamping petals are independently controlled by three manual paddles and three wire ropes, so One end of the wire rope is fixed on the manual pick, and the other end passes through a guiding device, then passes through the anti-twist sleeve and the spring tube in turn and is connected to a clamping flap, and the tops of the three clamping flaps are installed with the actuating end through the connecting piece. , and the other end passes through the fan-shaped strip hole at the bottom of the disposable sheath.

Description

A multi-valve sub-control wrapping lumen foreign body clamping and removing device

technical field

The invention relates to an irregular-shaped foreign body wrapping and removing device in cavities such as nasal cavity or ear canal, in particular to a multi-valve sub-control wrapping lumen foreign body clamping and removing device.

Background technique

At present, for irregular foreign bodies in the nasal cavity or ear canal, the traditional removal method is general instruments or self-made simple tools. This method depends on self-made simple tools or on the experience and skill level of doctors. Inaccurate, insensitive control, in order to increase the patient's pain, unable to wrap the foreign body, it is easy to damage the tissue, and prone to secondary injury, which not only affects the treatment efficiency, but also increases the doctor's practice risk and work intensity.

SUMMARY OF THE INVENTION

In view of the above situation, the present invention is designed from factors such as multi-valve split-action clamping, precise foreign body grasping, accuracy maintenance, and increased endoscopic peeping, and proposes a multi-valve split-control wrapping lumen foreign body clip Holding and taking out the device, the device is easy to manufacture and use, convenient and safe, and has low processing cost.

In order to achieve the above object, the technical scheme adopted in the present invention is as follows:

A multi-valve sub-control wrapping type cavity tube foreign body clamping and removing device, comprising a handle, three manual paddles, three clamping flaps, three steel wire ropes, an actuating end, a spring tube, and an anti-twist sleeve; The three manual paddles are connected with the handle through a spring, each manual paddle controls a clamping flap through a wire rope, and the three clamping flaps are independently controlled by three manual paddles and three wire ropes, and one end of the wire rope is controlled independently. It is fixed on the manual paddle, and the other end passes through a guiding device, then passes through the anti-twist sleeve and the spring tube in turn and is connected to a clamping flap. Pass through the scalloped hole in the bottom of the disposable sheath.

As a further technical solution, a through hole is provided in the center or eccentric position of the anti-twist sleeve as a channel of the speculum.

As a further technical solution, the anti-twist sleeve is connected to the handle through a conical connecting sleeve, the handle corresponding to the anti-twist sleeve is a cavity, and the cavity is matched with a detachable end cover , the end cap can be rotatably removed and supplemented by an endoscope or a light source.

As a further technical solution, the actuating end is used as a carrier for clamping the flaps and other components to provide motion support for it. There are three groups of pin holes on the side wall of the actuating end, and each group of pins The hole includes two holes, the two pin holes and the same pin rod form a concentric hole shaft, and the pin rod coaxially penetrates the two through holes and the through hole reserved for the support flap to support the clamping flap for circumferential movement.

As a further technical solution, the bottom of the actuating end is formed with three through grooves from the center to the outside, the included angle between the adjacent through grooves is 120°, and the tops of the three clamping flaps are installed on the In the corresponding through groove, a pin rod is arranged on the connecting head, a pin rod is arranged on the side wall of the through groove, and both ends of a spring are clamped on the two pin rods to provide elastic force to the corresponding clamping flap.

As a further technical solution, three fan-shaped strip holes are provided, and the fan-shaped strip holes and the clamping flap are distributed at the same angle, arc, and position to provide passages for the nesting of the disposable sheath and the actuating end.

As a further technical solution, one end of the spring tube is connected to the handle through a conical connecting sleeve, which can be driven to achieve angular twist and offset.

As a further technical solution, the two ends of the wire rope are provided with ball head I and ball head II, which are respectively connected to the C-shaped groove on the manual paddle and the connecting head on the clamping flap, so as to realize the power transmission and operation of the two.

The beneficial effects of the present invention are as follows:

1. Compared with the previous general-purpose appliance, the present invention has the advantages of accurate clamping and positioning, sensitive control, and less pain for patients; The included angle is 120°, the tops of the three clamping flaps are installed in the corresponding through grooves through a connecting head, a pin rod is arranged on the connecting head, a pin rod is arranged on the side wall of the through groove, and both ends of a spring are Clip on two pin rods to provide spring force to the corresponding clamping flaps.

2. The present invention is designed as a multi-lobe transfer clamping, which can realize the precise grasping and accuracy maintenance of irregular foreign bodies, and realize the wrapping of foreign bodies, avoiding the damage to the tissue and the occurrence of secondary damage. It can improve the efficiency of treatment and reduce the practice risk and work intensity of doctors.

3. The redundant reservation design can be used to expand and increase auxiliary devices and instruments such as endoscope peeping or light source; that is, a through hole is provided in the center or eccentric position of the anti-twist sleeve as a channel for the endoscope. The anti-twist sleeve is connected with the handle through a conical connecting sleeve, and the handle is provided with a detachable end cover 4 which can be rotatably detached and is supplemented by an endoscope or a light source.

4. The middle part of the present invention is made of a spring and a flexible material, which can be bent at a large angle as needed to avoid the obstruction of the user's sight to the special position;

5. The present invention is simple to operate, changes the traditional operation method of using general-purpose instruments or self-made simple tools to take out, and lowers the requirements for the doctor's experience and skill level;

6. It is convenient and safe to use, and the manufacturing cost is low and easy to maintain. The parts in contact with the human body are cheap disposable degradable consumables, and there is no cross feeling and environmental pollution.

Description of drawings

Figure 1 and Figure 2 are the overall exploded views of the multi-lobe sub-control lumen foreign body clamping and removing device;

Fig. 3, Fig. 4 are the structural diagrams of the clamping part of the present invention;

FIG. 5 is an assembly diagram of a multi-valve sub-control type lumen foreign body clamping and removing device;

In the figure: 1 handle; 2 cylindrical cavity; 3 knurled groove; 4 end cap; 5 thread; 6 groove; 7 threaded hole; 8 countersunk hole; 9 screw; 10 pulley; 11 pin; 12 adjusting ring ;13 pin threaded hole; 14 wire rope; 15 wire rope hole; 16 through hole; 17 anti-twist sleeve; 18 spring tube; 19 ball head; 20 actuating end; 21 pin hole; hole; 25 clamping flap; 26 disposable sheath; 27 fan-shaped strip hole; 28 pin column; 29 cylindrical hole; 30 cavity body; 31 conical connecting sleeve; 32 thread; 33 ball head II; Through hole II; 36 manual paddles; 37 pin post II; 38 pin shaft thread hole II; 39 pin shaft II; 40 spring II; 41 screw II; 42 countersunk hole II; 43 limit stop; 44 pin III ; 45 triangular groove; 46 pin Ⅳ.

Detailed ways

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the invention. Unless otherwise defined, 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 should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the invention clearly dictates otherwise, the singular is intended to include the plural as well, and it is also to be understood that when the terms "comprising" and/or "including" are used in this specification, Indicate the presence of features, steps, operations, devices, components and/or combinations thereof;

For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure. It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

As described in the background art, for irregular foreign bodies in cavities such as the nasal cavity or ear canal, the traditional removal methods are general instruments or self-made simple tools. This method depends on self-made simple tools or on the experience and skill level of doctors There are situations such as inaccurate clamping and positioning, insensitive control, increasing pain for patients, inability to wrap foreign bodies, easy tissue damage, and secondary injuries, which affect the treatment efficiency and increase the doctor's practice risk. and work intensity. In order to solve the above technical problems, the present invention proposes a multi-valve sub-control wrapping lumen foreign body clamping and removing device.

The multi-lobe sub-control wrapping lumen foreign body clamping and removing device disclosed in the present invention, as shown in Figures 1-5, includes a handle 1; a cylindrical cavity 2; a knurled groove 3; an end cap 4; a thread 5; Slot 6; threaded hole 7; countersunk hole 8; screw 9; pulley 10; pin 11; adjusting ring 12; pin threaded hole 13; wire rope 14; wire rope hole 15; through hole 16; anti-twist sleeve 17; spring tube 18; ball head 19; actuating end head 20; pin hole 21; pin rod 22; spring 23; through hole 24; clamping flap 25; disposable sheath 26; ; hollow body 30; conical connecting sleeve 31; thread 32; ball head II 33; C-shaped groove 34; through hole II 35; manual paddle 36; pin II 37; Screw II41; Countersunk hole II42; Limit stop 43; Pin III44; Triangular groove 45; Pin IV46, etc.;

The anti-twist sleeve 17 is made of nylon plastic; the disposable sheath 26 is made of PVC; the clamping flap 25 can be made of silicone or PVC as needed.

Screw 9; adjusting ring 12; wire rope 14; spring tube 18; ball head 19; pin 22; spring 23; ball head II33; spring II40;

Handle 1; end cover 4; pulley 10; pin 11; actuating end 20; pin 28; conical connecting sleeve 31; manual paddle 36; pin Ⅱ37; pin Ⅱ39; Column Ⅲ44; pin column Ⅳ46 and other solid structures are made of 316 stainless steel, which has good machining performance and medical anti-corrosion performance.

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

The above-mentioned handle 1 is a stepped wedge-shaped distribution, which is used for the holding of different fingers; the manual paddle 36 is in contact with the operator's fingers, and the transmission of force is realized through the wire rope 14. The clamping flap 25 rotates at a small angle around the pin hole 21. Realize the opening and closing function; spring II40; provide elastic force for manual paddle 36; pin II37 and pin III44 clamp spring II40, and are concentrically matched and fixed with its inner ring to provide elastic force for manual paddle 36; pin shaft threaded hole II38 ; It cooperates with the screw II 41 to form a thread pair to realize the connection and fixation of the relevant components such as the pin shaft II 39 and the manual paddle 36 on the handle 1; the limit stop 43 is used to realize the circumferential limit when the manual paddle 36 is actuated. .

A countersunk head hole II42 is set on the handle, and the countersunk head hole II42 provides connection and storage for the screw II41 process head to maintain the appearance flatness and grip comfort of the handle 1; the screw II41 and the pin shaft 38 threaded hole II constitutes a threaded pair. Through the countersunk hole II42, the pin shaft II39 and the manual paddle 36 and other related components are connected and fixed on the handle 1;

A cylindrical cavity 2 is also provided at the end of the handle 1, and the cylindrical cavity 2 provides storage space for related components; an end cover 4 is set in part of the cylindrical cavity 2, and the end cover 4 is connected to the handle 1 through a screw pair. The cylindrical cavity 2 is connected; the detachable connection of the end cover 4 is realized, wherein the thread 5 on the end cover 4 and the threaded hole 7 constitute the threaded pair connection. A knurled groove 3 is arranged on the end cover 4 to increase the frictional force and realize the disassembly of the end cover 4 .

Grooves 6 are arranged on the inner wall of the cylindrical cavity 2, and the grooves 6 are located on both sides of the inner wall of the cylindrical cavity on the handle 1, and are distributed at 90 degrees with the handle, so as to realize the installation channel of the pin shaft 11; The outer wall of the hollow cavity 2 is provided with a countersunk head hole 8, and the countersunk head hole 8 and the screw 9 form a loose fit of the hole shaft;

The above-mentioned pulleys 10 are designed with a number of them, which are distributed equidistantly along the axial direction in the cylindrical cavity 2, and a through hole is arranged in the center to form a hole-shaft fit with the pin shaft 11, and is wound around the pin shaft 11 after being wound by the wire rope 14; the pin shaft 11 There is a pin shaft threaded hole 13 in the center, the outer end face and the central through hole of the pulley 10 form a concentric hole shaft, and the inner end face pin shaft threaded hole 13 and the screw 9 form a threaded pair; the adjusting ring 12 is provided with several solid features, and the pin shaft 11 Concentric hole-shaft fit is formed to fix the axial position of the pulley 10 on the pin 11; Position fixing and locking on cavity 2;

Both ends of the above-mentioned wire rope 14 are provided with a ball head 19 and a ball head II 33, which are respectively connected to the C-shaped groove and the cavity 30 on the manual paddle 36 to realize the power transmission and operation of the two; the wire rope hole 15 and the wire rope 14 are formed. Concentric holes and shafts are used for isolation and protection of wire ropes.

The center or eccentric position of the anti-twist sleeve 17 is provided with a through hole 16 as a passage for the speculum; according to the shape of the foreign body in the cavity, rotate the device to a clamping angle and press the manual paddles 36 at different positions to pass the clamping flap 25. During the process of opening and closing to complete the wrapping of the foreign body and taking out the foreign body, the end cap 4 can be rotatably removed and supplemented by an endoscope or a light source.

The anti-twist sleeve 17 is concentrically matched with the spring tube 18, which is used for the limitation of the wire rope 14 and the anti-wear and anti-kink winding; Twist and offset; the ball head 19 enters the cavity 30 through the cylindrical hole 29, and drives the clamping flap 25 to perform limited circumferential movement around the through hole 24 and the pin 22; the cavity body 30 has an open cavity structure on one side , to provide storage and movement space for the ball head 19 .

The upper end of the above-mentioned conical connecting sleeve 31 is threadedly connected with the handle 1, and the lower end is coaxially nested with the spring tube 18;

The above-mentioned ball head II 33 is embedded in the C-shaped groove 34 to form a tight fit and realize horizontal movement and position fixation; the C-shaped groove 34 is used to lock the ball head II 33 and provide a passage for its horizontal movement; The through hole II35 and the pin shaft II39 are unified to form a hole-shaft fit.

Further, the above-mentioned actuating end 20 is used as a carrier for clamping the components such as the flap 25, and provides motion support for it. The 120-degree angular intervals are evenly distributed on the actuating end 20 to provide storage space for the clamping flap 25 and its accessory components. Three groups of pin holes are provided on the side wall of the actuating end 20 , and each group of through holes includes two pin holes 21 . The pin rod 22 first passes through one of the through holes 21 , then passes through the through holes 24 , and then passes through the other through holes 21 . A through hole 21, the clamping flap 25 is equivalent to rotating through the pin rod and positioned by the pin rod to realize the action of the clamping flap 25; the pin rod 22 supports the clamping flap 25 for circumferential movement; On the connecting head at the top of the holding valve 25, the pin IV46 is arranged on the groove wall of the actuating end 20; the inner ring of the spring 23 is respectively placed between the pin 28 and the pin IV46 to form a concentric fit, which provides the clamping valve 25. Elasticity.

There are three pin rods 22 in the device in total, one pin rod 22 corresponds to one clamping flap 25, and the three clamping flaps 25 form a circle; used for clamping foreign bodies in the cavity, the 316 stainless steel frame is wrapped with silica gel or PVC material Structure that combines rigidity and flexibility.

A connecting head is provided on the top of each clamping flap 25, and the connecting head is provided with a cylindrical hole 29. The cylindrical hole 29 is a cylindrical cavity, and the cross-sectional diameter is the same as that of the ball head 19, which is for the ball head 19 to enter and exit the cavity 30. Provide access.

The top end of the above-mentioned disposable sheath 26 is an open end, and the bottom end is provided with a fan-shaped strip hole 27, which can pass through the clamping flap 25 to be nested with the actuating end 20; Distributed at the same angle, same arc, and same position as the clamping flap 25, providing a passage for the nesting of the disposable sheath 26 and the actuating end 20; the disposable sheath 26 is sheathed on the outer ring of the actuating end 20; once The sexual sheath 26 adopts disposable degradable consumables, which has no cross feeling and environmental pollution.

Referring to FIG. 5 , it is an assembly diagram of a multi-valve sub-control type lumen foreign body clamping and removing device in the present invention. Complete all the through connections, plug connections, hole-shaft fittings, threaded pair connections, and nesting fittings in the above mechanisms, and the related functions are implemented according to the following steps.

Step 1. Move the spring tube 18 to a suitable angle to avoid obstructing the line of sight;

Step 2. Insert the actuating tip 20 and its components into the patient cavity;

Step 3. According to the shape of the foreign body in the cavity, rotate the device to the clamping angle and press the manual paddles 36 at different positions to complete the wrapping of the foreign body and take out the foreign body through the opening and closing of the clamping flap 25;

Step 4. In the process of step 3, the end cap 4 can be rotatably removed and supplemented by an endoscope or a light source;

Step 5. Disassemble the disposable sheath 26 and sterilize it to avoid cross infection;

Step 6. After replacing the disposable sheath 26, continue to use and repeat steps 1-5.

Claims (10)

1. a multi-valve sub-control wrap-type lumen foreign body clamping take-out device is characterized in that, comprising a handle, three manual paddles, three clamping flaps, three wire ropes, an actuating end, a spring tube, An anti-twist sleeve; the three manual paddles are connected to the handle through a spring, each manual paddle controls one clamping flap through a wire rope, and the three clamping petals are independently controlled by three manual paddles and three wire ropes One end of the wire rope is fixed on the manual pick, and the other end is guided by the guide device, and then passes through the anti-twist sleeve and the spring tube in turn and is connected to a clamping flap, and the tops of the three clamping flaps are installed and actuated by the connecting piece. On the end, the other end passes through the fan-shaped strip hole at the bottom of the disposable sheath. 2. The multi-valve sub-control wrapping type lumen foreign body clamping and extracting device as claimed in claim 1, wherein a through hole is provided in the center or eccentric position of the anti-twist sleeve, as a speculum channel. 3. The multi-valve sub-control wrapping type lumen foreign body clamping and removing device as claimed in claim 2, wherein the anti-twist sleeve is connected to the handle through a conical connecting sleeve, and the handle is connected to the handle. The corresponding position of the anti-twist sleeve is a cavity, and the cavity is matched with a detachable end cover, which can be rotatably detached and is supplemented by an endoscope or a light source. 4. a kind of multi-valve sub-control wrapping type lumen foreign body clamping and extracting device as claimed in claim 1 is characterized in that, described actuating end, as the carrier of components such as clamping valve, provides motion for it Support, there are three groups of pin holes on the side wall of the actuating end, each group of pin holes includes two, the two pin holes and the same pin rod form concentric holes and shafts, and the pin rod coaxially passes through the two through holes. The hole and the through hole reserved for the supporting flap support the clamping flap to do circumferential movement. 5. A multi-valve sub-control wrapping lumen foreign body clamping and extracting device as claimed in claim 1, characterized in that, the bottom of the actuating end forms three through grooves from the center to the outside, and adjacent through grooves are formed. The included angle between the grooves is 120°. The tops of the three clamping flaps are installed in the corresponding through grooves through a connecting head. A pin rod is arranged on the connecting head, a pin rod is arranged on the side wall of the through groove, and a spring is provided. The two ends of the pin are clamped on the two pin rods to provide elastic force to the corresponding clamping flaps. 6. The multi-valve sub-control wrapping type lumen foreign body clamping and extracting device as claimed in claim 1, wherein the spring tube is connected to the handle through a conical connecting sleeve, which can be driven to realize angular twist and offset . 7. a kind of multi-valve sub-control wrapping type lumen foreign body clamping and extracting device as claimed in claim 1, it is characterized in that, described wire rope two ends are provided with ball head I and ball head II, respectively connect on the manual pick The C-shaped groove and the connector on the clamping flap realize the power transmission and actuation of the two. 8. a kind of multi-valve sub-control wrapping lumen foreign body clamping and extracting device as claimed in claim 1, it is characterized in that, described fan-shaped strip hole is provided with three, fan-shaped strip hole and clamping valve have the same angle, the same angle as the clamping valve. The arc and the same position distribution provide a passage for the nesting of the disposable sheath and the actuating end. 9. The multi-valve sub-control wrapping type lumen foreign body clamping and extracting device as claimed in claim 1, wherein the three manual paddles are in contact with the operator's fingers, and each manual paddle passes through a spring II provides elastic force, pin II and pin III clamp spring II, and spring II is concentric with the inner ring of pin II and pin III and fixed. 10. The multi-valve sub-control wrapping type lumen foreign body clamping and removing device as claimed in claim 1, wherein the clamping valve adopts silica gel or PVC material to wrap the stainless steel frame structure, and has both rigidity and flexibility sex.

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