阅读说明：本技术 一种急诊科重症口腔异物清理护理装置 (Emergency department severe oral foreign matter clearance nursing device ) 是由 郑喜胜 荀莉 丁玉召 白斌 魏超 左方田 李长力 于 2021-09-14 设计创作，主要内容包括：本公开揭示了一种急诊科重症口腔异物清理护理装置,包括：装置主体,其包括一伸入部和一操作部,其构造为手术器械结构便于异物取出操作；操作部,其构造为现有手术器械的操作柄结构；伸入部,其包括一条形伸入杆,所述条形伸入杆前端应固定设置有夹持部,所述条形伸入杆后端应固定设置在操作部上,所述条形伸入杆前端固定设置有与夹持部位置对应的撑开组件,所述操作部上设置有控制撑开组件的第一控制组件。本发明的异物清理护理装置不仅通过一个器械就能取出尖锐异物,而且在取出时可以撑开人体组织解除异物对人体组织的卡住状态,便于取出异物且不会造成二次损坏。(The utility model discloses an emergency department severe oral foreign matter clearance nursing device, include: a device body including an insertion portion and an operation portion, which is configured in a surgical instrument structure for facilitating a foreign matter removal operation; an operating portion configured as a handle structure of an existing surgical instrument; stretch into the portion, it includes that a bar stretches into the pole, the bar stretches into the pole front end and should fix and be provided with the clamping part, the bar stretches into the pole rear end and should fix the setting on the operation portion, the bar stretches into the fixed subassembly that struts that is provided with clamping part position correspondence of pole front end, be provided with the control on the operation portion and strut the first control assembly of subassembly. The foreign matter cleaning and nursing device can take out the sharp foreign matters through one instrument, can prop open the human body tissues to relieve the clamping state of the foreign matters on the human body tissues when the foreign matters are taken out, is convenient to take out the foreign matters and cannot cause secondary damage.)

1. The utility model provides an emergency department severe oral foreign matter clearance nursing device, its cooperation direct laryngoscope uses, includes: a device body including an insertion portion and an operation portion, which is configured in a surgical instrument structure for facilitating a foreign matter removal operation; an operating portion configured as a handle structure of an existing surgical instrument; stretch into the portion, it includes that a bar stretches into the pole, the bar stretches into the pole front end and should fix and be provided with the clamping part, the bar stretches into the pole rear end and should fix the setting on the operation portion, the bar stretches into the fixed subassembly that struts that is provided with clamping part position correspondence of pole front end, be provided with the control on the operation portion and strut the first control assembly of subassembly.

2. The device as claimed in claim 1, wherein the holder comprises two disc-shaped clamping blocks symmetrically arranged at the front end of the bar-shaped extension rod, two bar-shaped arms symmetrically arranged at the inner side of the front end of the bar-shaped extension rod, the two bar-shaped arms are in an inclined state, one end of each bar-shaped arm is fixedly connected with the front end of the bar-shaped extension rod, the other end of each bar-shaped arm is connected with the disc-shaped clamping block, short columns are rotatably connected to the end surfaces of the two disc-shaped clamping blocks, which face away from each other, and the two short columns are respectively fixedly connected with the two bar-shaped arms.

3. The device as claimed in claim 2, wherein an arc-shaped elastic strip is arranged between the two strip-shaped arms, and two ends of the arc-shaped elastic strip are respectively fixedly connected with the two strip-shaped arms.

4. The device according to claim 2, wherein a cylindrical cavity is arranged in the bar-shaped extending rod, a moving block is slidably arranged in the cylindrical cavity, two limiting strips are symmetrically and fixedly arranged on one end surface of the moving block, both of the limiting strips extend to the outside through the bar-shaped extending rod, the two limiting strips are respectively in contact with end surfaces of the two bar-shaped arms which are away from each other, a middle shaft is rotatably arranged in the cylindrical cavity, a wrench member is arranged on the lower side of the operating part, one end of the middle shaft extends into the operating part and is coaxially and fixedly connected with a driven bevel gear, a driving bevel gear is further rotatably arranged in the operating part and is meshed with the driven bevel gear, a driven gear is further rotatably arranged in the operating part and is coaxially and fixedly connected with the driving bevel gear, a rack meshed with the driven gear is slidably arranged at the bottom in the operating part, the rack is fixedly connected with a control slide block, a strip-shaped opening is formed in the bottom of the operation portion, and the wrench part penetrates through the strip-shaped opening and is fixedly connected with the control slide block.

5. The device of claim 4, wherein an elastic reset assembly for limiting the operation slider is further disposed in the operation portion, and the elastic reset assembly comprises two limiting springs disposed in the operation portion, two fixing seats are further symmetrically and fixedly disposed on the bottom of the operation portion, the two limiting springs are respectively and fixedly connected with the two fixing seats, and both the two limiting springs are fixedly connected with the operation slider.

6. The device as claimed in claim 2, wherein two control ropes are symmetrically disposed in the bar-shaped extension rod, one end of each control rope extends into the operation portion, the other end of each control rope extends to the outside through the bar-shaped extension rod and is bifurcated and fixedly connected with the two side walls of the disc-shaped clamping blocks, a control panel is disposed in the operation portion, two sides of the control panel are fixedly connected with the two control ropes respectively, the control panel is coaxially and fixedly sleeved on the rotation rod, a first rotation block is rotatably disposed on two side walls of the operation portion, two ends of the rotation rod extend through the operation portion and are fixedly connected with the two first rotation blocks respectively, and a limiting component for limiting the rotation rod is disposed on the inner wall of the operation portion.

7. The device of claim 6, the limiting component comprises a disk housing sleeved on the rotating rod, the disk housing is fixedly arranged in the operating part, a limiting disk is arranged in the disk housing, the limiting disk is fixedly sleeved on the rotating rod, a plurality of elastic pieces are uniformly and fixedly arranged on the arc-shaped inner wall of the disk housing, and a plurality of limiting slots corresponding to the elastic pieces are uniformly arranged on the arc-shaped side wall of the limiting disk.

8. The device according to claim 1, wherein the distracting component comprises two U-shaped supporting plates which are positioned at the upper and lower sides of the two bar-shaped arms, two connecting rods are symmetrically arranged between the U-shaped supporting plates and the bar-shaped extending rods in an inclined manner, one end of each connecting rod is rotatably connected with the U-shaped supporting plate, the other end of each connecting rod is rotatably connected with the bar-shaped extending rod, one ends of the two U-shaped supporting plates, which are close to the bar-shaped extending rods, are fixedly connected with extending plates, one ends of the two extending plates, which are far away from the U-shaped supporting plates, are rotatably connected with extending rods, the bar-shaped extending rods are symmetrically and slidably provided with two long conditions, the two extending rods are respectively rotatably connected with two long pieces, a second rotating block is rotatably sleeved at the connecting position of the bar-shaped extending rods and the operating part, a long tube piece is rotatably sleeved on the bar-shaped extending rods, and the long tube piece is coaxially and fixedly connected with the second rotating block, the long barrel part is provided with an external thread on the outer wall, and the long barrel part is provided with an annular block in a threaded sleeve mode, and the long condition is fixedly connected with the annular block.

9. The device of claim 8, wherein the two U-shaped supporting plates are processed into arc shapes.

10. The device of claim 1, wherein the rod is externally sleeved with a protective sleeve.

Technical Field

The invention relates to a foreign matter cleaning device, in particular to a severe oral foreign matter cleaning and nursing device for an emergency department.

Background

The oral foreign body has various conditions, which are mainly divided into chronic foreign body and acute foreign body, the symptoms of the chronic foreign body are mostly swollen pharynx or phlegm stuck in pharynx, and the chronic foreign body is caused by pharyngitis or inflammation such as respiratory inflammation, and the chronic inflammation needs to be gradually treated in clinical treatment. The reasons for acute foreign matters are various, and the common foreign matters can not be taken out when entering the respiratory tract carelessly, thereby causing adverse effects on patients; it is comparatively complicated to take out the foreign matter from the respiratory track, especially blocks that the foreign matter time is longer at patient, has led to patient to produce under the condition of serious adverse reaction, can not satisfy the demand through general foreign matter mode of discharging simply, need get rid of the foreign matter through modes such as direct laryngoscope. However, in practice, the manner in which foreign bodies are extracted from a direct laryngoscope also presents practical problems. For example, the manner in which a direct laryngoscope retrieves foreign bodies accommodates moving and non-fragile foreign bodies. However, for objects such as pins, thumbtacks or fishbones, since the overall structure is slender and has high puncturing capability, when the foreign objects are clamped into the respiratory tract, the inner wall of the respiratory tract can be punctured and damaged and can be firmly clamped in the respiratory tract, and the foreign objects are inconvenient to take out. More importantly, even if these sharp-pointed foreign matters are successfully taken out, the respiratory tract is easily damaged in the taking-out process, and adverse consequences are generated.

Disclosure of Invention

In view of the above problems of the prior art, the present invention aims to provide an emergency department severe oral foreign body cleaning and nursing device which is convenient for taking out sharp oral foreign bodies and does not damage internal organs when taking out the sharp oral foreign bodies.

In order to achieve the above object, an aspect of the present invention provides an emergency department severe oral foreign body cleaning and nursing device, which is used with a direct laryngoscope, comprising:

a device body including an insertion portion and an operation portion, which is configured in a surgical instrument structure for facilitating a foreign matter removal operation;

an operating portion configured as a handle structure of an existing surgical instrument;

stretch into the portion, it includes that a bar stretches into the pole, the bar stretches into the pole front end and should fix and be provided with the clamping part, the bar stretches into the pole rear end and should fix the setting on the operation portion, the bar stretches into the fixed subassembly that struts that is provided with clamping part position correspondence of pole front end, be provided with the control on the operation portion and strut the first control assembly of subassembly.

Preferably, the clamping part is arranged symmetrically, the bar stretches into two disc-shaped clamping blocks at the front end of the rod, two bar arms are symmetrically arranged on the inner side of the front end of the rod and are in an inclined state, one end of each bar arm is fixedly connected with the front end of the rod, the other end of each bar arm is connected with the disc-shaped clamping block, the other end of each bar arm is connected with a short column, and the short columns are respectively fixedly connected with the two bar arms in a rotating mode on the end faces, deviating from each other, of the disc-shaped clamping blocks.

Preferably, an arc elastic strip is arranged between the two strip-shaped arms, and two ends of the arc elastic strip are fixedly connected with the two strip-shaped arms respectively.

Preferably, a cylindrical cavity is arranged in the bar-shaped extending rod, a moving block is slidably arranged in the cylindrical cavity, two limiting strips are symmetrically and fixedly arranged on one end face of the moving block, the two limiting strips penetrate through the bar-shaped extending rod and extend to the outside, the two limiting strips are respectively contacted with end faces of the two bar-shaped arms which are deviated from each other, a middle shaft is rotatably arranged in the cylindrical cavity, a wrench part is arranged at the lower side of the operating part, one end of the middle shaft extends into the operating part and is coaxially and fixedly connected with a driven bevel gear, a driving bevel gear is rotatably arranged in the operating part and is meshed with the driven bevel gear, a driven gear is rotatably arranged in the operating part and is coaxially and fixedly connected with the driving bevel gear, a rack meshed with the driven gear is slidably arranged at the bottom in the operating part, the rack is fixedly connected with a control slide block, a strip-shaped opening is formed in the bottom of the operation portion, and the wrench part penetrates through the strip-shaped opening and is fixedly connected with the control slide block.

Preferably, the operation portion is internally provided with an elastic reset assembly for limiting the operation slider, the elastic reset assembly comprises two limiting springs arranged in the operation portion, the bottom of the operation portion is symmetrically and fixedly provided with two fixing seats, the two limiting springs are respectively fixedly connected with the two fixing seats, and the two limiting springs are fixedly connected with the operation slider.

As preferred, the bar stretches into in the pole still the symmetry be provided with two and controls the rope, it extends to the operating portion to control rope one end in, it runs through the bar and stretches into the pole and extend to the outside and be forked form simultaneously with two to control the rope other end still be provided with the control panel in the operating portion, the control panel both sides are respectively with two and control rope fixed connection, the coaxial fixed cover of control panel is established on the bull stick, all rotate on the wall of operating portion both sides and be provided with first bull stick, the bull stick both ends all run through the operating portion and respectively with two coaxial fixed connection of first bull stick, be provided with the spacing subassembly that carries out the restriction to the bull stick on the operating portion inner wall.

Preferably, the limiting assembly comprises a disc shell which is sleeved on the rotating rod, the disc shell is fixedly arranged in the operation portion, a limiting disc is arranged in the disc shell, the limiting disc is fixedly sleeved on the rotating rod, a plurality of elastic pieces are uniformly and fixedly arranged on the arc inner wall of the disc shell, and a plurality of limiting grooves corresponding to the elastic pieces are uniformly formed in the arc side wall of the limiting disc.

Preferably, the strutting assembly comprises two U-shaped supporting plates positioned on the upper side and the lower side of the two strip-shaped arms, two connecting rods are symmetrically arranged between the U-shaped supporting plates and the strip-shaped stretching-in rods in an inclined manner, one end of each connecting rod is rotationally connected with the U-shaped supporting plate, the other end of each connecting rod is rotationally connected with the strip-shaped stretching-in rod, one ends of the two U-shaped supporting plates, which are close to the strip-shaped stretching-in rods, are fixedly connected with extension plates, one ends of the two extension plates, which are far away from the U-shaped supporting plates, are rotationally connected with extension rods, the strip-shaped stretching-in rods are symmetrically and slidably provided with two long conditions, the two extension rods are rotationally connected with two long pieces respectively, a second rotating block is rotatably sleeved at the connecting position of the strip-shaped stretching-in rods and the operating part, a long barrel part is rotatably sleeved on the strip-shaped stretching-in rods, the long barrel part is coaxially and fixedly connected with the second rotating block, and external threads are arranged on the outer wall of the long barrel part, the long barrel part is provided with an annular block in a threaded sleeve mode, and the long conditions are fixedly connected with the annular block.

Preferably, the two U-shaped supporting plates are processed into an arc shape.

Preferably, the protective cylinder is sleeved outside the strip-shaped extension rod.

Compared with the prior art, the critical oral foreign matter cleaning and nursing device for the emergency department, which is provided by the invention, has the advantages that the two disc-shaped clamping blocks clamp the foreign matters, the foreign matters can be rotated after being clamped, the inclination angle of the foreign matters can be changed, and the human tissues clamped at the positions of the foreign matters can be propped open before the inclination state of the foreign matters is changed. Compared with the traditional foreign body taking-out instrument, the foreign body cleaning and nursing device can take out the foreign bodies and can prop open human tissues when the foreign bodies are taken out. This means that when a long and sharp foreign object is taken out, it can be taken out conveniently, and at the same time, it can reduce the secondary damage, and of course, generally speaking, the foreign object is generally taken out by an instrument, but when the sharp foreign object is stuck, there is a situation that a part of the foreign object penetrates into the human tissue, so that when the foreign object is taken out, it is easy to damage the human tissue, and it is inconvenient to take out, therefore, it is necessary to open the human tissue at the stuck position and change the inclination angle when the foreign object is taken out, and at the same time, it is necessary to operate a plurality of instruments at present.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

Fig. 1 is a schematic structural diagram of an emergency department severe oral foreign body cleaning and nursing device.

Fig. 2 is a schematic structural diagram of another view angle of the critical oral foreign body cleaning and nursing device in emergency department of the invention.

Fig. 3 is a schematic structural diagram of a clamping part of the critical oral foreign matter cleaning and nursing device for emergency department of the invention.

Fig. 4 is a schematic structural diagram of another view angle of the clamping part of the critical oral foreign matter cleaning and nursing device in emergency department of the invention.

Fig. 5 is a schematic view of the internal structure of the operation part of the critical oral foreign matter cleaning and nursing device in emergency department of the invention.

Fig. 6 is a schematic structural diagram of another viewing angle (hidden protective cylinder) of the critical oral foreign matter cleaning and nursing device in emergency department of the invention.

Fig. 7 is a schematic sectional structural view of an emergency department severe oral foreign body cleaning and nursing device according to the present invention.

Fig. 8 is a schematic structural diagram of a limiting component of the critical oral foreign body cleaning and nursing device in emergency department of the invention.

Description of the main reference numerals:

1-a device body, 2-an extension part, 3-an operation part, 21-a strip-shaped extension rod, 22-a clamping part, 23-an expansion component, 31-a wrench part, 32-a driven bevel gear, 33-a driving bevel gear, 34-a driven gear, 35-a rack, 36-a control slide block, 37-an elastic reset component, 211-a moving block, 212-a limiting strip, 213-a middle shaft, 221-a disk-shaped clamping block, 222-a strip-shaped arm, 223-a short column, 224-an arc-shaped elastic strip, 231-a U-shaped supporting plate, 232-a connecting rod, 233-an extension plate, 234-an extension rod, 235-a long condition, 236-a second rotating block, 237-a long cylinder piece, 238-a ring-shaped block, 239-a long cylinder piece, 371-a limiting spring and 372-a fixed seat, 2211-control cord, 2212-control disc, 2213-rotation bar, 2214-first rotation block, 2215-restriction assembly, 22151-disc housing, 22152-restriction disc, 22153-elastic sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

As shown in fig. 1 to 8, an embodiment of the present invention provides an acute department severe oral foreign body cleaning and nursing device, which is used with a direct laryngoscope (not shown), including:

a device main body 1 including an insertion portion 2 and an operation portion 3 configured as a surgical instrument structure for facilitating a foreign matter removal operation;

the structure of the foreign matter cleaning and nursing device of the invention is similar to that of a taking-out instrument in the actual foreign matter taking-out operation of a direct laryngoscope, but in the actual operation, the device can more conveniently take out long and sharp foreign matters, therefore, in the exemplary embodiment, the device comprises a strip-shaped extending rod 21, a through hole matched with the strip-shaped extending rod 21 is arranged on the direct laryngoscope, in the actual operation, after the foreign matter condition of the throat of a patient is observed by the direct laryngoscope, the strip-shaped extending rod 21 extends into the throat of the patient through the through hole, at the moment, the foreign matter needs to be clamped, therefore, in the invention, the front end of the strip-shaped extending rod 21 is fixedly provided with a clamping part 22, the foreign matter is clamped by the clamping part 22, the clamping part 22 needs to be moved out by the strip-shaped extending rod 21 after clamping, and the strip-shaped extending rod 21 needs to be convenient for people to operate, therefore, the rear end of the strip-shaped inserting rod 21 is fixedly arranged on the operating part 3, so that the operating part 3 is convenient for people to use, the operating part 3 is constructed into an operating handle structure of the existing surgical instrument, the clamping part 22 mainly aims at long and sharp foreign bodies, the characteristic of the long and sharp foreign bodies needs to be adapted to the clamping part, the existing foreign body taking-out operation under the direct laryngoscope cannot effectively take out the long and sharp objects such as pins and pins, in the taking-out process, the long and sharp objects are clamped in the throat, the objects can be pricked into the inner wall of the trachea, if the foreign bodies are directly clamped and taken out, the body of a patient can be greatly damaged, therefore, in the taking-out operation, a protective operation step is provided for solving the problem, after the foreign bodies are clamped, the surrounding human tissues are propped, and after being propped, the foreign bodies are rotated to the state parallel to the trachea from the inclined state or the vertical state, therefore, the passing volume of the foreign matters can be reduced firstly, the foreign matters can be taken out conveniently, meanwhile, the foreign matters are prevented from generating secondary damage to body tissues when the foreign matters are taken out, and the device is suitable for taking out the long and sharp foreign matters, in the invention, the clamping part 22 is mainly used for clamping the foreign matters, and meanwhile, the clamping part 22 is arranged at the front end of the bar-shaped extending rod 21, so that the unfolding component 23 corresponding to the position of the clamping part 22 is fixedly arranged at the front end of the bar-shaped extending rod 21, the actual control structures are arranged on the operation part 3 according to actual operation requirements, the use and operation of people are facilitated, and the control structure for controlling the unfolding component 23 is arranged on the operation part 23.

Since the holding portion 22 of the present invention is particularly suitable for taking out long and sharp foreign matters, in the taking-out process, the foreign matters can be driven to rotate after being held, so as to change the inclined state of the foreign matters, thereby facilitating the taking-out of the long and sharp foreign matters, in this exemplary embodiment, the holding portion comprises two disc-shaped clamping blocks 221 symmetrically arranged at the front end of the bar-shaped inserting rod 21, two bar-shaped arms 222 are symmetrically arranged at the inner side of the front end of the bar-shaped inserting rod 21, both the bar-shaped arms 222 are in the inclined state, one end of each bar-shaped arm 222 is fixedly connected with the front end of the bar-shaped inserting rod 21, the other end of each bar-shaped arm 222 is connected with the disc-shaped clamping block 221, short posts 223 are rotatably connected on the end faces of the two disc-shaped clamping blocks 221, both the short posts 223 are fixedly connected with the two bar-shaped arms 222, in the present invention, the principle of tweezers is mainly used for holding the foreign matters, the forceps-type structure needs to have a certain resilience resetting capability, so that an arc-shaped elastic strip 224 is arranged between the two strip-shaped arms 222, two ends of the arc-shaped elastic strip 224 are respectively and fixedly connected with the two strip-shaped arms 222, the arc-shaped elastic strip 224 is arranged between the two strip-shaped arms 222 to limit the two strip-shaped arms 222, the relative inclination angles of the two strip-shaped arms 222 are limited, the structure of the forceps is formed, and foreign matters can be clamped; meanwhile, in order to realize the clamping of the foreign matters, a structure for controlling the reduction of the relative inclination degree should be arranged on the two bar-shaped arms 222, and the structure is adapted to the requirement of clamping in the deep part of the oral cavity, the structure should be controlled on the operation part 23, specifically, a cylindrical cavity is arranged in the bar-shaped extending rod 21, a moving block 211 is slidably arranged in the cylindrical cavity, two limiting strips 212 are symmetrically and fixedly arranged on one end surface of the moving block 211, the two limiting strips 212 extend to the outside through the bar-shaped extending rod 21, the two limiting strips 212 are respectively contacted with the end surfaces of the two bar-shaped arms 222 which are deviated from each other, a middle shaft 213 is rotatably arranged in the cylindrical cavity, and in order to realize the state that the middle shaft 213 is coaxial with the bar-shaped extending rod 21 and can rotate, a plurality of partition plates can be arranged in the cylindrical cavity, so that the middle shaft 213 is rotatably connected with the partition plates, meanwhile, as shown above, in order to control the clamping action of the two strip-shaped arms 222 on the operation part 3, the lower side of the operation part 3 is provided with the trigger 31, one end of the middle shaft 213 extends into the operation part 3 and is coaxially and fixedly connected with the driven bevel gear 32, the operation part 31 is further internally provided with the driving bevel gear 33 in a rotating manner, the driving bevel gear 33 is meshed with the driven bevel gear 32, at this time, a structure is required to be arranged, so that a user can drive the driven bevel gear 32 to rotate when buckling the trigger 31, so as to drive the middle shaft 213 to rotate, specifically, the operation part 3 is further internally provided with the driven gear 34 in a rotating manner, the driven gear 34 is coaxially and fixedly connected with the driving bevel gear 33, the bottom in the operation part 3 is slidably provided with the rack 35 meshed with the driven gear 34, the rack 35 is fixedly connected with the control slider 36, and the bottom of the operation part 3 is provided with a strip-shaped opening, the wrench member 31 passes through the strip-shaped opening and is fixedly connected with the control slider 36, at the moment, the wrench member 31 can be driven to rotate the central shaft 213, at the same time, because the thread has self-locking property, after people buckle the wrench member 31, the two strip-shaped arms 222 can not be reset only by the action of the arc-shaped elastic strip 224, an elastic reset component 37 for limiting the control slider 36 is also arranged in the operation part 3, so that under the condition that people do not buckle the wrench member 31 any more, the central shaft 213 is rotationally matched with the action of the arc-shaped elastic strip 224 to open the two strip-shaped arms 222, the operation part comprises two limit springs arranged in the operation part 3, two fixed seats 372 are symmetrically and fixedly arranged at the bottom 371 in the operation part 3, the two limit springs 371 are respectively and fixedly connected with the two fixed seats 372, and the two limit springs 371 are both fixedly connected with the control slider 36, when the operation slider 36 moves, it is restricted by the elastic force of the two limit springs 371.

In the present invention, the holding portion 22 should also adapt to the characteristics of a long and sharp foreign object, as shown above, i.e. after holding the foreign object, the holding portion can drive the foreign object to rotate, so as to facilitate the removal of the foreign object, and at the same time, can avoid secondary damage to the human tissue when removing the foreign object, in the present invention, two disk-shaped clamping blocks 221 are driven to rotate, and this action should also be operated on the operation portion 3, in some applications, in contrast to the driven holding structure, as shown in fig. 5, two control ropes 2211 are symmetrically arranged in the bar-shaped insertion rod 21, in order to ensure a reasonable structure, a slot corresponding to the control rope 2211 is arranged on the inner wall of the bar-shaped insertion rod 21 for the passage of the control rope 2211, one end of the control rope 2211 extends into the operation portion 3, and the other end of the control rope 2211 extends to the outside through the bar-shaped insertion rod 21 and is in a forked shape and is fixedly connected with the side walls of the two disk-shaped clamping blocks 221, the side walls of the disc-shaped clamping blocks 221 can be fixedly provided with protrusions connected with the control ropes 2211, the operation part 3 is also internally provided with a control disc 2212, two sides of the control disc 2212 are respectively fixedly connected with the two control ropes 2211, when the control disc 2212 rotates, one control rope 2211 is pulled and the other control rope 2211 is loosened, the two disc-shaped clamping blocks 221 can be controlled to rotate to a certain degree, the control disc 2212 is coaxially and fixedly sleeved on the rotating rod 2213, the rotating rod 2213 is rotatably arranged in the operation part 3, the two side walls of the operation part 3 are respectively and rotatably provided with a first rotating block 2214, two ends of the rotating rod 2213 respectively penetrate through the operation part 3 and are respectively and coaxially and fixedly connected with the two first rotating blocks 2214, the inner wall of the operation part 3 is provided with a limiting component 2215 for limiting the rotating rod 2213, the structure is mainly realized that the position of the rotating rod 2213 is limited after a user rotates the first rotating block 2214, therefore, the state of the two disc-shaped clamping blocks 221 is maintained, so that foreign matters are kept in a safe state, the device comprises a set of disc housing 22151 arranged on the rotating rod 2213, the disc housing 22151 is fixedly arranged in the operating part 3, a limiting disc 22152 is arranged in the disc housing 22151, the limiting disc 22152 is fixedly arranged on the rotating rod 2213, a plurality of elastic pieces 22153 are uniformly and fixedly arranged on the arc-shaped inner wall of the disc housing 22151, a plurality of limiting slots corresponding to the elastic pieces 22153 are uniformly arranged on the arc-shaped side wall of the limiting disc 22152, when the rotating rod 2213 is rotated, the elastic pieces 22153 are forced to respectively enter different limiting slots, after the external force of rotation is not applied, the limiting disc 22152 is not rotated any more by the action of the elastic pieces 22153, namely, the rotating rod 2213 is controlled not to be rotated, and the state of the two disc-shaped clamping blocks 221 is limited; in practice, it is also contemplated to provide a torsion spring (not shown) between the disc-shaped clamp block 221 and the post 223, so that the disc-shaped clamp block 221 itself also has a restoring function to assist the disc-shaped clamp block 221 in restoring.

In other embodiments of the present invention, in order to facilitate the removal of the foreign object and at the same time ensure that the foreign object is not secondarily injured to the human tissue when removed, a certain opening action may be performed on the position where the foreign object is stuck, such as the trachea, to first ensure that the foreign object is out of the state of being stuck to the human tissue and then facilitate the rotation of the foreign object, which is not the case with conventional clamping removal devices. Therefore, as shown in fig. 3 and 4, the expanding component 23 includes two U-shaped supporting plates 231 located at the upper and lower sides of the two bar-shaped arms 222, and meanwhile, in order to facilitate the expansion of tissues, such as the position of trachea, etc., by the U-shaped supporting plates 231, the two U-shaped supporting plates 231 are processed into an arc shape, firstly, the two U-shaped supporting plates 231 can be conveniently extended into the human body in the non-expanded state, and secondly, the expanding effect is ensured, two connecting rods 232 are obliquely and symmetrically arranged between the U-shaped supporting plates 231 and the bar-shaped extending rods 21, one ends of the connecting rods 232 are rotatably connected with the U-shaped supporting plates 231, the other ends of the connecting rods 232 are rotatably connected with the bar-shaped extending rods 21, one ends of the two U-shaped supporting plates 231 close to the bar-shaped extending rods 21 are fixedly connected with extending plates 233, one ends of the two extending plates 233 far away from the U-shaped supporting plates 231 are rotatably connected with extending rods 234, the bar-shaped extending rods 21 are symmetrically and slidably arranged with two long conditions 235, two extension rod 234 rotates with two long condition 235 respectively to be connected, the bar stretches into pole 21 and the hookup location of operating portion 3 and rotates the cover and is equipped with second commentaries on classics piece 236, the bar stretches into and rotates the cover and be equipped with long barrel 237 on the pole 21, long barrel 237 rotates the coaxial fixed connection of piece 236 with the second, be provided with the external screw thread on the long barrel 237 outer wall, threaded sleeve is equipped with annular piece 238 on the long barrel 237, two long condition 237 all with annular piece 238 fixed connection, when rotating second commentaries on classics piece 236, can drive annular piece 238 and remove and drive two long condition 237 and remove, realize controlling two U type faggings 231 through controlling two extension rods 234, make the action of strutting, the shape of U type fagging 231 has also guaranteed that the foreign matter does not receive the influence of strutting the action.

In addition, as shown in fig. 4, it is also conceivable that a protection tube 239 is sleeved outside the bar-shaped extension rod 21, the protection tube 239 is fixedly connected with the bar-shaped extension rod 21 through two bar-shaped connecting blocks for connection, the movement of the long piece 237 is not affected, the fixing effect on the protection tube 239 is guaranteed, the structure arranged outside the bar-shaped extension rod 21 is protected, the overall aesthetic property is improved, the length of the long piece 239 is smaller than that of the bar-shaped extension rod 21, and smooth movement of the two long pieces 235 is guaranteed.

Fig. 4 shows an exemplary structure of the disc-shaped clamping blocks 221, and as shown in fig. 4, a rubber layer may be preferably added at the end surface where the two disc-shaped clamping blocks 221 are close to each other, and the rubber layer functions to mainly increase the clamping effect of the disc-shaped clamping blocks 221 on foreign matters, so that the surface thereof may also have increased textures, and further, the clamping effect of the disc-shaped clamping blocks 221 is further increased. While in particular a softer layer may be added to the structured surface of the gripping portion 22 in the present invention, it will be appreciated that this structure may reduce damage to body tissue and it is also contemplated that secondary damage to body tissue may not be warranted upon contact with body tissue.

While there has been described what are believed to be the preferred embodiments of the present invention, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the principles of the invention, and it is intended to cover all such changes and modifications as fall within the true scope of the invention.