CN210843387U - Foreign body forceps with foldable head - Google Patents

Abstract

The utility model discloses a collapsible foreign matter pincers of head, its technical scheme main points are that first pincers seat is connected with acting as go-between, second pincers seat is connected with the elastic wire, the elastic wire is connected on the mount pad, first binding clip is connected on first pincers seat, the second binding clip is connected on second pincers seat, first binding clip is equipped with first elbow of rolling over, first elbow of rolling over is equipped with first clamping face back to the one end of first pincers seat, the second binding clip is equipped with the second elbow of rolling over, the second elbow of rolling over is just equipped with the second clamping face to the one end of second pincers seat, first clamping face and second clamping face mutually support, the utility model discloses following beneficial effect has: the angle of the clamp part and the clamp body of the foreign body is changed, the angle when the foreign body is taken out is adjusted, and particularly when a certain long-strip-shaped sharp foreign body is taken out, the foreign body is parallel to the clamp body of the foreign body or parallel to the esophagus, so that the foreign body is easy to take out, and the digestive tract is prevented from being damaged.

Description

Foreign body forceps with foldable head

Technical Field

The utility model relates to a medical instrument, more specifically say, it relates to a collapsible foreign matter pincers of head.

Background

The forceps for foreign body is a medical apparatus and is used for taking and removing foreign body from digestive tract of human body. The existing foreign body forceps grasp the foreign body and directly take out the foreign body, the method easily causes the mucous membrane of the alimentary canal to be scratched when taking out, can cause local inflammation, infection or necrosis, and even accidentally injures the blood vessel to cause bleeding, especially the second narrow part of the esophagus, because the aorta is nearby, and the accidental injures the aorta are life-threatening. If injury to the digestive tract is not attempted at the time of removal, or the wound is minimized, it will be of great help for post-operative treatment and recovery of the foreign body removal.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a collapsible foreign matter pincers of head can reduce the wound when the foreign matter takes out.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a collapsible foreign matter pincers of head, includes handheld ring, handle, sliding sleeve, pipe and acts as go-between, characterized by: the hand-held ring is fixed at one end of the handle, the other end of the handle is connected with the catheter, the handle is in a cylindrical shape, a slotted hole is formed in the cylindrical wall of the handle, the sliding sleeve is sleeved on the handle, the stay wire is arranged in the catheter and the handle, one end of the stay wire penetrates through the slotted hole to be connected with the sliding sleeve, one end of the catheter, which is back to the handle, is connected with the clamp frame assembly, the clamp frame assembly comprises an installation seat, a first clamp head, a second clamp head and a second clamp seat, the installation seat is connected with the catheter, the first clamp seat and the second clamp seat are symmetrically and rotatably connected with the installation seat, the first clamp seat is connected with the stay wire, the second clamp seat is connected with an elastic wire, the first clamp head is connected with the first clamp seat, the second clamp head is connected with the second clamp seat, the first clamp head is provided with a first folding elbow, one end, which is back to the first clamp seat, the second clamp head is provided, the second elbow is equipped with the second clamping face just to the one end of second pincers seat, and first clamping face and second clamping face mutually support, when drawing the sliding sleeve to handheld ring, act as go-between and move along with the sliding sleeve and stimulate first pincers seat to rotate to the second pincers seat, and first binding clip and second binding clip are closed and are pressed from both sides tight foreign matter, continue to stimulate the sliding sleeve, drive first binding clip and second binding clip and rotate, separate foreign matter and alimentary canal.

The utility model discloses further set up to: the first tong seat is provided with a first folding plate, a first mounting head and a first tong arm, the first folding plate is hinged to the first tong arm, the first mounting head is hinged to the first folding plate, the first tong head is clamped on the first mounting head, the second tong seat is provided with a second folding plate, a second mounting head and a second tong arm, the second folding plate is hinged to the second tong arm, the second mounting head is fixed on the second folding plate, and the second tong head is clamped on the second mounting head.

The utility model discloses further set up to: the first clamping surface and the second clamping surface are both provided with teeth.

The utility model discloses further set up to: the clamp frame subassembly is equipped with the protective sheath that is used for the isolation outward, and the protective sheath is with including clamp frame subassembly and pipe suit to extend to the handle, first binding clip and second binding clip set up on the protective sheath, and first binding clip, second binding clip and protective sheath are made by disposable consumptive material.

The utility model discloses further set up to: the first pincers seat is provided with a first groove, the first pincers head is further provided with a first mounting opening, a first protrusion matched with the first groove is arranged in the first mounting opening, the second pincers seat is provided with a second groove, the second pincers head is further provided with a second mounting opening, the second mounting opening is provided with a second protrusion matched with the second groove, and the first protrusion and the second protrusion are barb-shaped.

The utility model discloses further set up to: the first pincers seat is further provided with a first inclined arm and a first hole, the second pincers seat is further provided with a second inclined arm and a second hole, the other end of the mounting seat is further provided with a pincers seat shaft, and the pincers seat shaft penetrates through the first hole and the second hole, so that the first pincers seat and the second pincers seat are connected to the pincers seat shaft in a rotating mode.

The utility model discloses further set up to: the first oblique arm is provided with a third hole, the stay wire penetrates through the third hole to be connected with the first forceps holder, the second oblique arm is provided with a fourth hole, and the elastic wire penetrates through the fourth hole to be connected with the second forceps holder.

The utility model discloses further set up to: the one end of pipe is equipped with the external screw thread, and the one end of mount pad is equipped with the screw hole with the external screw thread adaptation, and mount pad threaded connection can adjust the position of relative pipe on the pipe, and the angle between first pincers seat and the second pincers seat is changed to the distance between control connecting axle and the pincers seat axle.

The utility model discloses further set up to: the handheld ring is an oval ring, the handle is vertically fixed on the side edge of the handheld ring, an annular groove suitable for clamping fingers is formed in the middle of the sliding sleeve, the sliding sleeve is connected with an embedding block, the embedding block extends into the groove hole, the mounting seat is provided with a mounting groove, the threaded hole is formed in the bottom surface of the mounting groove, and the clamp seat shaft is arranged in the mounting groove.

The utility model discloses further set up to: the protective sleeve is made of medical plastic films, and the first forceps head and the second forceps head are made of medical rubber or silica gel.

To sum up, the utility model discloses following beneficial effect has: the first binding clip rotates, the second binding clip marks the position, when the first binding clip and the second binding clip are clamped, foreign matters can be accurately clamped, the first binding clip continues to rotate, can drive the second binding clip to rotate together to extract the clamped foreign matter, adopts the bending head structure, has larger clamping opening with smaller opening angle, does not lose human tissues for the second time compared with the method of directly clamping the foreign matter by using the foreign matter clamp, has smaller movement action, is beneficial to reducing the wound generated during extraction, avoids inflammation caused by wound expansion, is beneficial to treatment and recovery, after the foreign body is pulled out, the first binding clip can be continuously pulled to rotate, the angle between the clamping part and the body of the foreign body is changed, the angle when the foreign body is taken out is adjusted, especially when taking out some long-strip sharp-pointed foreign matters, make the foreign matter parallel with the body of the foreign matter pincers, perhaps parallel with the esophagus so easily take out the foreign matter, avoid haring the alimentary canal.

Drawings

FIG. 1 is a schematic structural view of a pair of foreign body forceps with foldable heads;

FIG. 2 is a perspective view of a mounting seat of the foreign body forceps with a foldable head;

FIG. 3 is a perspective view of a forceps holder assembly of the foreign body forceps with a foldable head;

FIG. 4 is a schematic structural view of a first forceps head of the foreign body forceps with a foldable head;

fig. 5 is a structural schematic diagram of a second forceps head of the foreign body forceps with the foldable head.

Reference numerals: 1. a caliper frame assembly; 11. an elastic thread; 12. a first caliper mount; 121. a first groove; 122. A first inclined arm; 123. a first hole; 124. a third aperture; 125. a first folding plate; 126. a first mounting head; 127. a first clamp arm; 13. a first binding clip; 131. a first mounting port; 132. a first protrusion; 133. a first clamping surface; 134. a first folding elbow; 14. a second binding clip; 141. a second mounting opening; 142. a second protrusion; 143. a second clamping surface; 144. a second elbow bend; 15. a second caliper mount; 151. a second groove; 152. a second inclined arm; 153. a second hole; 154. a fourth aperture; 155. a second folding plate; 156. a second mounting opening; 157. a second jawarm; 2. a mounting seat; 21. a threaded hole; 22. a jaw shaft; 3. a protective sleeve; 4. A conduit; 41. an external thread; 5. a pull wire; 51. a connecting shaft; 6. a handle; 61. a cylinder wall; 62. a slot; 7. A sliding sleeve; 71. embedding a block; 72. an annular groove; 8. a hand ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-5, a pair of foreign body forceps with a foldable head comprises a hand-held ring 8, a handle 6, a sliding sleeve 7, a catheter 4 and a pull wire 5, and is characterized in that: the hand-held ring 8 is fixed at one end of the handle 6, the other end of the handle 6 is connected with the conduit 4, the handle 6 is in a cylindrical shape, a slotted hole 62 is arranged on a cylindrical wall 61 of the handle 6, the sliding sleeve 7 is sleeved on the handle 6, the stay wire 5 is arranged in the conduit 4 and the handle 6, one end of the stay wire 5 passes through the slotted hole 62 to be connected with the sliding sleeve 7, one end of the conduit 4, which is back to the handle 6, is connected with the forceps holder assembly 1, the forceps holder assembly 1 comprises an installation seat 2, a first forceps seat 12, a first forceps head 13, a second forceps head 14 and a second forceps seat 15, the installation seat 2 is connected with the conduit 4, the first forceps seat 12 and the second forceps seat 15 are symmetrically and rotatably connected with the installation seat 2, the first forceps seat 12 is connected with the stay wire 5, the second forceps seat 15 is connected with the elastic wire 11, the elastic wire 11 is connected with the installation seat 2, the first forceps head 13 is connected with the first forceps seat, the first binding clip 13 is provided with a first folding elbow 134, one end of the first folding elbow 134, which is back to the first binding clip 12, is provided with a first clamping surface 133, the second binding clip 14 is provided with a second folding elbow 144, one end of the second folding elbow 144, which is right opposite to the second binding clip 15, is provided with a second clamping surface 143, the first clamping surface 133 and the second clamping surface 143 are mutually matched, when the sliding sleeve 7 is pulled towards the handheld ring 8, the pull wire 5 moves along with the sliding sleeve 7 and pulls the first binding clip 12 to rotate towards the second binding clip 15, the first binding clip 13 and the second binding clip 14 are closed to clamp foreign matters, the sliding sleeve 7 is continuously pulled, and the pull wire 5 drives the first binding clip 13 and the second binding clip 14 to rotate, so that the foreign matters are separated from the digestive tract.

Through the scheme, the first binding clip 13 rotates, the second binding clip 14 marks the position, when the first binding clip and the second binding clip are combined, foreign matters can be accurately clamped, the first binding clip 13 continuously rotates to drive the second binding clip 14 to rotate together to pull out the clamped foreign matters, a larger clamping opening can be formed by a smaller opening angle by adopting a bending head structure, compared with the method of directly clamping the foreign matters by using the foreign matters, the human tissues cannot be secondarily lost, the movement action is smaller, the wound generated during pulling out is favorably reduced, the wound is prevented from being enlarged to cause inflammation, the treatment and recovery are favorable, after the foreign matters are pulled out, the first binding clip 13 can be continuously pulled to rotate, the angle between the clamping part and the body of the foreign matters is changed, the angle when the foreign matters are taken out is adjusted, particularly, when some long-strip-shaped sharp foreign matters are taken out, the foreign matters are parallel to the body of the foreign matters or are parallel to the esophagus, so, avoiding damaging the digestive tract.

The first caliper seat 12 is provided with a first folding plate 125, a first mounting head 126 and a first caliper arm 127, the first folding plate 125 is hinged to the first caliper arm 127, the first mounting head 126 is hinged to the first folding plate 125, the first caliper head 13 is clamped to the first mounting head 126, the second caliper seat 15 is provided with a second folding plate 155, a second mounting head 156 and a second caliper arm 157, the second folding plate 155 is hinged to the second caliper arm 157, the second mounting head 156 is fixed to the second folding plate 155, and the second caliper head 14 is clamped to the second mounting head 156.

Through the above scheme, the first folding plate 125 is hinged to the first mounting head 126, the first folding plate 125 is hinged to the first tong arm 127, when folded, the first folding plate 125 is folded on the first tong seat 12, the first mounting head 126 is folded on the first folding plate 125, when unfolded, the first folding plate 125 is turned over and is in the same straight line with the first tong seat 12, the first mounting head 126 is turned over and is in the same straight line with the first folding plate 125, the first tong head 13 is sleeved on the first mounting head 126, and the folded part or the unfolded part is fixed, so that the first tong head is stable and firm when in use, and the length of the first tong head 13 capable of being extended can be changed through folding or unfolding. The second folding plate 155 is hinged to the second mounting head 156, the second folding plate 155 is hinged to the second jaw arm 157, when folded, the second folding plate 155 is folded onto the second jaw base 15, the second mounting head 156 is folded onto the second folding plate 155, when unfolded, the second folding plate 155 is turned over and aligned with the second jaw base 15, the second mounting head 156 is turned over and aligned with the second folding plate 155, the second binding head 14 is sleeved on the second mounting head 156, and the folded part or the unfolded part is fixed, so that the folding jaw is firm and stable when in use, and the length of the second binding head 14 which can be extended can be changed by folding or unfolding. The pliers head can adapt to foreign bodies of different sizes through different lengths, the replacement time is shortened, the cost is low, the structure is simple, and the use is convenient.

The first and second clamping surfaces 133, 143 are each provided with teeth.

Through the scheme, the teeth are arranged to increase friction force, so that foreign bodies can be clamped conveniently. The teeth are provided to facilitate the accommodation and grasping of foreign objects.

The clamp assembly 1 is externally provided with a protective sleeve 3 for isolation, the protective sleeve 3 is sleeved with the clamp assembly 1 and the catheter 4 and extends to the handle 6, the first clamp head 13 and the second clamp head 14 are arranged on the protective sleeve 3, and the first clamp head 13, the second clamp head 14 and the protective sleeve 3 are made of disposable consumables.

Through the scheme, the disposable first binding clip 13, the disposable second binding clip 14 and the protective sleeve 3 are used, the protective sleeve 3 only needs to be sleeved in each use, the first binding clip 13 and the second binding clip 14 on the protective sleeve 3 are respectively clamped into the first forceps holder 12 and the second forceps holder 15, the protective sleeve 3 separates biopsy forceps from biopsy tissues, the contact between the biopsy forceps and the biopsy tissues is avoided, and the possibility of cross infection is avoided. When the pliers are used again, only the protective sleeve 3, the first pliers head 13 and the second pliers head 14 need to be replaced, other parts are separated by the protective sleeve 3, pollution is avoided, replacement or sterilization is not needed, and the cost is low.

The first caliper seat 12 is provided with a first groove 121, the first caliper head 13 is further provided with a first mounting opening 131, a first protrusion 132 matched with the first groove 121 is arranged in the first mounting opening 131, the second caliper seat 15 is provided with a second groove 151, the second caliper head 14 is further provided with a second mounting opening 141, the second mounting opening 141 is provided with a second protrusion 142 matched with the second groove 151, and the first protrusion 132 and the second protrusion 142 are barbed.

Through the scheme, the binding clip separates the protective sleeve 3 and the binding clip block, only the protective sleeve 3 needs to be cancelled, the binding clip can be taken down, the dismounting is not needed, and the change of the binding clip becomes simpler, more convenient and faster. When the clamp is used, the clamp head is firmly and stably clamped and cannot fall off easily, and the clamp head is replaced together through the connected protective sleeve 3, so that the clamp is simple and quick.

The first forceps base 12 is further provided with a first inclined arm 122 and a first hole 123, the second forceps base 15 is further provided with a second inclined arm 152 and a second hole 153, the other end of the mounting base 2 is further provided with a forceps base shaft 22, and the forceps base shaft 22 penetrates through the first hole 123 and the second hole 153, so that the first forceps base 12 and the second forceps base 15 are connected to the forceps base shaft 22 in a rotating mode.

Through the scheme, the first forceps base 12 and the second forceps base 15 are rotatably connected to the forceps base shaft through the matching of the hole shaft, so that the installation is convenient, and the completion of the forceps actions is facilitated. The first and second inclined arms 122 and 152 have a larger rotation angle without interference, so that the angle between the first and second bits 13 and 14 can be larger, and a larger grasping range and a stronger biting force are provided, and the link mechanism formed by the first and second holder 12 and 15, the first and second connection plate 11 and 14 converts the displacement of the pull wire into the rotation of the first and second holder 12 and 15, which facilitates smooth grasping of foreign objects.

The first inclined arm 122 is provided with a third hole 124, the pull wire 5 passes through the third hole 124 to be connected with the first forceps holder 12, the second inclined arm 152 is provided with a fourth hole 154, and the elastic wire 11 passes through the fourth hole 154 to be connected with the second forceps holder 15.

Through the scheme, the wire and the hole are matched, so that the wire and the hole are convenient to adjust, simple in structure, convenient to use and easy to produce and assemble. The sliding sleeve 7 is connected with the first tong seat 12 through the pull wire 5, and the first tong head 13 is controlled through the sliding sleeve 7. The second binding clip 14 is connected to the mounting base 2 through the elastic wire 11, so that the second binding clip 14 can rotate in a matching way through the first binding clip 13 and can also return to the original position through the elastic wire 11.

One end of the guide pipe 4 is provided with an external thread 41, one end of the mounting base 2 is provided with a threaded hole 21 matched with the external thread 41, the mounting base 2 is in threaded connection with the guide pipe 4, the position of the relative guide pipe 4 can be adjusted by rotating the mounting base 2, the distance between the connecting shaft 51 and the forceps holder shaft 22 is controlled, and the angle between the first forceps holder 12 and the second forceps holder 15 is changed.

By adopting the scheme, the shape of the jaw is adjusted, and a method for opening the foreign body forceps and taking out the foreign body is added, so that the foreign body forceps do not need to be opened by hand or the sliding sleeve 7 is pushed and pulled. The assembly connection installation is convenient, the use is easy, the fine adjustment mode is increased, the fault tolerance rate of the foreign body pliers is improved, and the foreign body pliers cannot be scrapped due to looseness or deformation of the stay wire 5.

The handheld ring 8 is an oval ring, the handle 6 is vertically fixed on the side edge of the handheld ring 8, the middle of the sliding sleeve 7 is provided with an annular groove 72 suitable for clamping by fingers, the sliding sleeve 7 is connected with an embedded block 71, the embedded block 71 penetrates through the slotted hole 62 to be connected with the pull wire 5, the mounting seat 2 is provided with a mounting groove 23, the threaded hole 21 is arranged on the bottom surface of the mounting groove 23, and the clamp seat shaft 22 is arranged in the mounting groove 23.

Through the scheme, the hand-held ring 8 and the sliding sleeve 7 can be used by the same hand, the thumb is inserted into the hand-held ring 8, and the index finger and the middle finger clamp the sliding sleeve 7. Convenient to use, and the other hand can perform other necessary operations.

The protective sleeve 3 is made of a plastic film, and the first forceps head 13 and the second forceps head 14 are both made of medical rubber or silica gel.

Through above-mentioned scheme, use the not fragile plastic film to make for the change of protective sheath 3 is simpler, is favorable to manufacturing, reduce cost. The first binding clip 13 and the second binding clip 14 are convenient to survive and manufacture, and have elasticity to enhance the capability of grabbing foreign matters.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a collapsible foreign matter pincers of head, includes handheld ring (8), handle (6), sliding sleeve (7), pipe (4) and act as go-between (5), the one end at handle (6) is fixed in handheld ring (8), the other end of handle (6) is connected on pipe (4), handle (6) are the tube-shape, be equipped with slotted hole (62) on section of thick bamboo wall (61) of handle (6), sliding sleeve (7) cover is established on handle (6), act as go-between (5) and set up in pipe (4) and handle (6), the one end of acting as go-between (5) is passed slotted hole (62) and is connected with sliding sleeve (7), the one end of pipe (4) handle (6) dorsad is connected with tong frame subassembly (1), characterized by: the clamp frame assembly (1) comprises a mounting seat (2), a first clamp seat (12), a first clamp head (13), a second clamp head (14) and a second clamp seat (15), the mounting seat (2) is connected to a guide pipe (4), the first clamp seat (12) and the second clamp seat (15) are symmetrically and rotatably connected to the mounting seat (2), the first clamp seat (12) is connected with a pull wire (5), the second clamp seat (15) is connected with an elastic wire (11), the elastic wire (11) is connected to the mounting seat (2), the first clamp head (13) is connected to the first clamp seat (12), the second clamp head (14) is connected to the second clamp seat (15), the first clamp head (13) is provided with a first folding elbow (134), one end of the first folding elbow (134) back to the first clamp seat (12) is provided with a first clamping face (133), and the second folding elbow (144) is provided with the second folding elbow (14), the second elbow bend (144) is just being equipped with second clamping face (143) to the one end of second pincers seat (15), first clamping face (133) and second clamping face (143) cooperate each other, when pulling sliding sleeve (7) to hand ring (8), act as go-between (5) and remove and stimulate first pincers seat (12) to second pincers seat (15) rotation along with sliding sleeve (7), first clamping face (133) and second clamping face (143) closure press from both sides tight foreign matter, continue to stimulate sliding sleeve (7), act as go-between (5) and drive first binding clip (13) and second binding clip (14) and rotate, separate foreign matter and alimentary canal.

2. The foldable foreign body forceps of head as claimed in claim 1, wherein: the clamp is characterized in that a first folding plate (125), a first mounting head (126) and a first clamp arm (127) are arranged on the first clamp seat (12), the first folding plate (125) is hinged to the first clamp arm (127), the first mounting head (126) is hinged to the first folding plate (125), the first clamp head (13) is clamped on the first mounting head (126), a second folding plate (155), a second mounting head (156) and a second clamp arm (157) are arranged on the second clamp seat (15), the second folding plate (155) is hinged to the second clamp arm (157), the second mounting head (156) is fixed on the second folding plate (155), and the second clamp head (14) is clamped on the second mounting head (156).

3. The foldable foreign body forceps of head as claimed in claim 2, wherein: the first clamping surface (133) and the second clamping surface (143) are provided with teeth.

4. The foldable foreign body forceps of the head as claimed in claim 3, wherein: the clamp frame assembly is characterized in that a protective sleeve (3) used for isolation is arranged outside the clamp frame assembly (1), the protective sleeve (3) is sleeved with the clamp frame assembly (1) and the guide pipe (4) and extends to the handle (6), the first clamp head (13) and the second clamp head (14) are arranged on the protective sleeve (3), and the first clamp head (13), the second clamp head (14) and the protective sleeve (3) are made of disposable consumables.

5. The foldable foreign body forceps with a head as claimed in claim 4, wherein: the improved pliers are characterized in that a first groove (121) is formed in the first pliers seat (12), a first mounting opening (131) is further formed in the first pliers head (13), a first protrusion (132) matched with the first groove (121) is arranged in the first mounting opening (131), a second groove (151) is formed in the second pliers seat (15), a second mounting opening (141) is further formed in the second pliers head (14), a second protrusion (142) matched with the second groove (151) is arranged in the second mounting opening (141), and the first protrusion (132) and the second protrusion (142) are barb-shaped.

6. The foldable foreign body forceps of a head as claimed in claim 5, wherein: the first forceps holder (12) is further provided with a first oblique arm (122) and a first hole (123), the second forceps holder (15) is further provided with a second oblique arm (152) and a second hole (153), the other end of the mounting seat (2) is further provided with a forceps holder shaft (22), and the forceps holder shaft (22) penetrates through the first hole (123) and the second hole (153), so that the first forceps holder (12) and the second forceps holder (15) are connected to the forceps holder shaft (22) in a rotating mode.

7. The foldable foreign body forceps of a head as claimed in claim 6, wherein: the first inclined arm (122) is provided with a third hole (124), the pull wire (5) penetrates through the third hole (124) to be connected with the first forceps holder (12), the second inclined arm (152) is provided with a fourth hole (154), and the elastic wire (11) penetrates through the fourth hole (154) to be connected with the second forceps holder (15).

8. The foldable foreign body forceps of the head as claimed in claim 7, wherein: the one end of pipe (4) is equipped with external screw thread (41), the one end of mount pad (2) is equipped with screw hole (21) with external screw thread (41) adaptation, mount pad (2) threaded connection is on pipe (4), and rotatory mount pad (2) can be adjusted the position relative pipe (4), and the distance between control connecting axle (51) and pincers seat axle (22) changes the angle between first pincers seat (12) and second pincers seat (15).

9. The foldable foreign body forceps of the head as claimed in claim 8, wherein: hand ring (8) are oval ring, handle (6) vertical fixation is at the side of hand ring (8), the centre of sliding sleeve (7) is equipped with annular groove (72) that are fit for the finger centre gripping, sliding sleeve (7) are connected with embedding piece (71), embedding piece (71) stretches into slotted hole (62), mount pad (2) are equipped with mounting groove (23), screw hole (21) set up on the bottom surface of mounting groove (23), pincers seat axle (22) set up in mounting groove (23).

10. The foldable foreign body forceps of the head as claimed in claim 9, wherein: the protective sleeve (3) is made of medical plastic films, and the first forceps head (13) and the second forceps head (14) are made of medical rubber or silica gel.

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