CN215960200U - Disposable rat tooth air flue foreign matter forceps - Google Patents

Abstract

The utility model relates to the field of airway foreign body forceps, in particular to disposable rat-tooth airway foreign body forceps. Comprises a rod body; the rod body sleeve is sleeved on the rod body in a relatively sliding manner, and the rod body sleeve is collinear with the axis of the rod body; the clamp body sleeve is annular, the clamp body sleeve is fixedly arranged at one end of the rod body sleeve, and the axis of the clamp body sleeve is collinear with the axis of the rod body sleeve; the mouse-tooth forceps are fixedly arranged on the rod body, can extend out and retract and are hidden in the forceps body sleeve, and are provided with at least three forceps heads; the theme spring, main part spring one end and body of rod are connected, and the main part spring other end and body of rod sleeve pipe fixed connection. The utility model solves the technical problem of firmly grabbing focuses such as airway foreign bodies and the like on the premise of not injuring patients for the second time by the special design of the mouse tooth forceps.

Description

Disposable rat tooth air flue foreign matter forceps

Technical Field

The utility model relates to the field of airway foreign body forceps, in particular to disposable rat-tooth airway foreign body forceps.

Background

The tissue forceps are also called mouse tooth forceps (Allis). The pressing to the tissue is lighter than the vascular forceps, so the forceps are generally used for clamping soft tissues and are not easy to slip, for example, the forceps are used for clamping and drawing the cut lesion part, thereby being beneficial to the operation. Respiratory tract foreign bodies are one of the common emergencies in life, and in the face of airway foreign bodies, an emergency treatment means is to clamp the foreign bodies out by using mouse tooth forceps.

However, since the airway foreign body is mostly irregular, when the general rat-tooth forceps clamp the foreign body, the foreign body can easily slide out from the forceps slot, which is difficult to effectively treat, and even has the risk of secondary injury during treatment. And general ratch pincers are scissors shape, and pincers body tip is protruding, easily scratches patient's respiratory track when stretching into patient's respiratory track, causes the injury to patient's play to can arouse patient's stress response, produce the influence to the treatment process, scissors shape ratch is also difficult to effectual deep focus.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the disposable rat tooth airway foreign body forceps are provided.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

a disposable rat tooth airway foreign body forceps, which comprises,

a rod body;

the rod body sleeve is sleeved on the rod body in a relatively sliding manner, and the rod body sleeve is collinear with the axis of the rod body;

the clamp body sleeve is annular, the clamp body sleeve is fixedly arranged at one end of the rod body sleeve, and the axis of the clamp body sleeve is collinear with the axis of the rod body sleeve;

the mouse-tooth forceps are fixedly arranged on the rod body, can extend out and retract and are hidden in the forceps body sleeve, and are provided with at least three forceps heads;

the foreign body forceps also comprise a pair of forceps bodies,

the rod body sleeve is provided with a first sleeve, the first sleeve can be sleeved on the rod body in a relatively sliding mode, the inner wall of the first sleeve is completely attached to the outer surface of the rod body, and the length of the first sleeve is smaller than that of the rod body;

one end of the first sleeve, which is far away from the mouse tooth forceps, is fixedly provided with a main body spring, the main body spring is sleeved on the rod body, one end of the main body spring is fixedly connected with the rod body, the main body spring is always in a compression state, and the sum of the length of the main body spring and the length of the first sleeve is smaller than the length of the rod body.

Preferably, one end of the rod body, which is far away from the mouse tooth forceps, is provided with a pressing head, and the diameter of the pressing head is larger than that of the rod body.

Preferably, the mouse tooth forceps comprise,

the first connecting parts are fixedly arranged on the rod body and provided with a plurality of first connecting surfaces, the number of the first connecting surfaces is equal to that of the clamp heads, and the first connecting surfaces are uniformly arranged around the axial extension line of the rod body;

the first tong head is made of elastic materials and comprises first tong tails, first tong bodies and first rat teeth, and the first tong tails are fixedly arranged on the first connecting surfaces in a one-to-one correspondence manner; when the mouse-tooth forceps extend out of the forceps body sleeve, the first forceps head is in an original state, the distance between the first forceps body part of the first forceps head and the extension line of the rod body axis is larger than the radius length of the inner wall circle of the forceps body sleeve in the original state, the axis of the first forceps body is parallel to the axis of the first forceps tail, and the first forceps body is fixedly connected with the first forceps tail through a connecting section; the fixed one end of keeping away from first pincers tail at first pincers body that sets up of first rat tooth, first rat tooth are a lug, and the protruding direction of first rat tooth is provided with a plurality of first recesses towards the design of the axis extension line of the body of rod on the first rat tooth.

Preferably, the first and second liquid crystal materials are,

the mouse-tooth forceps comprise a second connecting part, a second forceps head and a forceps body spring,

the second connecting parts are fixedly arranged on the rod body, second connecting surfaces are arranged on the second connecting parts, the number of the second connecting surfaces is equal to that of the second forceps heads, and the second connecting surfaces are uniformly arranged around the axis of the rod body;

the number of the pincer body springs is equal to the number of the pincer heads, one ends of the pincer body springs are hinged to the second connecting portions, the other ends of the pincer body springs are hinged to the pincer heads, and the pincer body springs are in original lengths when the mouse-tooth forceps extend out of the pincer body sleeve;

the second tong head comprises a second tong tail, a second tong body and second rat teeth, the second tong tail is hinged to the second connecting surface in a one-to-one correspondence mode, and the second tong tail and the second tong body are fixedly connected through a connecting section; when the clamp body spring is in the original length, the distance between the second clamp body part of the second clamp head and the axis extension line of the rod body is greater than the radius length of the inner wall circle of the clamp body sleeve, the axis of the second clamp body is parallel to the axis of the second clamp tail, and the second clamp body is fixedly connected with the second clamp tail through a connecting section; the fixed one end of keeping away from the second pincers tail at the second pincers body that sets up of second rat tooth, second rat tooth are a lug, and the protruding direction of second rat tooth is provided with a plurality of second recesses towards the design of the axis extension line of the body of rod on the second rat tooth.

Preferably, the outer side of the main body spring is provided with a second sleeve, the main body spring and the first sleeve are sleeved in the second sleeve, one end of the second sleeve is flush with one end, close to the mouse tooth forceps, of the first sleeve, the first sleeve is fixedly connected with the second sleeve, and the length of the first sleeve is larger than the sum of the length of the main body spring and the length of the first sleeve.

Preferably, one end of the rod casing, which is far away from the mouse tooth forceps, is fixedly provided with a handle, the handle is sleeved on the rod casing, and the handle is provided with a plurality of bulges in a shape convenient for a human hand to hold.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model solves the technical problem of firmly grabbing focuses such as airway foreign bodies and the like on the premise of not injuring patients for the second time by the special design of the mouse tooth forceps.

2. The utility model can customize the length design according to the actual situation through the rod body, can go deep into the focus, and solves the technical problem that the traditional foreign body forceps can not take into account the focus at a deeper position.

3. The utility model solves the technical problems that the end part of the clamp body of the traditional foreign matter clamp protrudes outwards and is easy to cause secondary damage to a patient when clamping foreign matters through the design that the clamp body is parallel to the clamp tail.

4. The utility model has the advantage of firmer and firmer foreign matter clamping through the design of a plurality of clamp heads.

5. The utility model has the advantage of effectively avoiding the pollution of the forceps head through the design that the mouse-tooth forceps are contracted and hidden in the forceps body sleeve.

6. The utility model can be operated by a practitioner with one hand through the linkage design of the rod body, the mouse-tooth forceps and the forceps sleeve, is convenient for an assistant to observe and has the advantage of simple and convenient operation.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a partial enlarged view of FIG. 3 at B;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

FIG. 6 is a perspective view of the first embodiment of the mouse dentate pliers of the present invention with the second sleeve, the body sleeve and the handle removed;

FIG. 7 is an enlarged view of a portion of FIG. 6 at D;

FIG. 8 is a perspective view of a second embodiment of the mouse dentagra according to the present invention;

FIG. 9 is an enlarged view of a portion of FIG. 8 at E;

the reference numbers in the figures are:

1-a rod body; 1 a-a pressing head;

2-mouse tooth forceps; 2 a-a first connection; 2a1 — first connection face; 2 b-a first binding clip; 2b1 — first tong tail; 2b 2-first caliper body; 2b 3-first rat tooth; 2b4 — first groove; 2 c-a caliper body spring; 2 d-a second connecting portion; 2d1 — second connection face; 2 e-a second binding clip; 2e 1-second tong tail; 2e 2-second caliper body; 2e 3-second rat tooth; 2e4 — second groove;

3-a rod body sleeve; 3 a-a first sleeve; 3 b-a second sleeve;

4-a body spring;

5-clamp sleeve;

6-a handle; 6a 1-bump.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In order to solve the technical problem of conveniently, quickly and firmly taking out the foreign matters in the air passage, as shown in fig. 1, the following technical scheme is provided:

a disposable rat tooth airway foreign body forceps, which comprises,

a rod body 1;

the rod body sleeve 3 is sleeved on the rod body 1 in a relatively sliding manner, and the rod body sleeve 3 is collinear with the axis of the rod body 1;

the clamp body sleeve 5 is annular, the clamp body sleeve 5 is fixedly arranged at one end of the rod body sleeve 3, and the axis of the clamp body sleeve 5 is collinear with the axis of the rod body sleeve 3;

the mouse-tooth forceps 2 are fixedly arranged on the rod body 1, the mouse-tooth forceps 2 can be retracted and concealed in the forceps body sleeve 5, the mouse-tooth forceps 2 can also extend out of the forceps body sleeve 5, and the mouse-tooth forceps 2 is provided with at least three forceps heads 2 b.

Specifically, the rod body 1 and the mouse tooth forceps 2 are fixedly arranged, the rod body 1 and the mouse tooth forceps 2 move to form a whole, the rod body sleeve 3 and the forceps body sleeve 5 are fixedly arranged, and the rod body sleeve 3 and the forceps body sleeve 5 move to form a whole. When the rod body 1 slides in the rod body sleeve 3, the mouse-tooth forceps 2 can follow the motion of the rod body 1, so that the mouse-tooth forceps 2 can be contracted and concealed in the forceps body sleeve 5 or extend out of the forceps body sleeve 5, and when the mouse-tooth forceps 2 is not in a working state, the mouse-tooth forceps 2 can be contracted and concealed in the forceps body sleeve 5; when the mouse-tooth forceps 2 is contracted and hidden in the forceps body sleeve 5, the mouse-tooth forceps 2 is in a clamping state, and when the mouse-tooth forceps 2 extends out of the forceps body sleeve 5, the mouse-tooth forceps 2 is in a releasing state.

When the practitioner need press from both sides and gets the foreign matter, the control rod body 1 stretches the ratch tooth pincers 2 to foreign matter or focus, and the control rod body 1 slides in body of rod sleeve 3: when the rod body 1 moves towards the mouse-tooth forceps 2, the mouse-tooth forceps 2 extends out of the forceps body sleeve 5, the forceps head 2b is loosened, the forceps head 2b is aligned to a foreign body or a focus, the rod body 1 is operated to move towards the direction opposite to the mouse-tooth forceps 2 at the moment, the mouse-tooth forceps 2 is contracted and concealed into the forceps body sleeve 5 and clamps the forceps head 2b, the foreign body or the focus is clamped by the forceps head 2b, the foreign body forceps are taken out, and the operation is completed. If the focus can not be completely removed once, the focus can be clamped for many times, and the operation is repeated.

Further:

in order to solve the technical problem of how to design the rod body 1 to make the practitioner comfortable, as shown in fig. 6, the following technical solutions are provided:

one end of the rod body 1, which is far away from the mouse tooth forceps 2, is provided with a pressing head 1a, and the diameter of the pressing head 1a is larger than that of the rod body 1.

Specifically, the larger diameter of the pressing head 1a brings a larger force-bearing area, thereby giving a higher comfort to the practitioner. When a practitioner operates, various stretching operations of the rod body 1 relative to the rod body sleeve 3 can be completed with the aid of the pressing head 1a, and the operation of the practitioner is also facilitated. The length of the rod body 1 can be customized according to actual conditions, and the sizes of other parts can be customized.

Further:

in order to solve the technical problem that the structure of the mouse tooth forceps 2 can be contracted and concealed in the forceps body sleeve 5, the foreign matter clamping function is realized, and simultaneously a patient is not injured, the following two technical schemes are provided:

the first embodiment is as follows: as shown in fig. 7 and 9:

the mouse tooth forceps (2) comprises a mouse tooth forceps,

the first connecting part 2a is fixedly arranged on the rod body 1, a plurality of first connecting surfaces 2a1 are arranged on the first connecting part 2a, the number of the first connecting surfaces 2a1 is equal to that of the binding clip, and the first connecting surfaces 2a1 are uniformly arranged around the axial extension line of the rod body 1;

the first tong head 2b is made of an elastic material, the first tong head 2b comprises a first tong tail 2b1, a first tong body 2b2 and first rat teeth 2b3, and the first tong tail 2b1 is fixedly arranged on the first connecting surface 2a1 in a one-to-one correspondence manner; when the mouse-tooth forceps 2 extend out of the forceps body sleeve 5, the first forceps head 2b is in an original state, the distance between the first forceps body 2b2 part of the first forceps head 2b and the axis extension line of the rod body 1 in the original state is larger than the radius length of an inner wall circle of the forceps body sleeve 5, the axis of the first forceps body 2b2 is parallel to the axis of the first forceps tail 2b1, and the first forceps body 2b2 is fixedly connected with the first forceps tail 2b1 through a connecting section; the first rat tooth 2b3 is fixed to be set up in the one end that first pincers body 2b2 is kept away from first pincers tail 2b1, and first rat tooth 2b3 is a lug, and the protruding direction of first rat tooth 2b3 is provided with a plurality of first recesses 2b4 on the first rat tooth 2b3 towards the design of the axis extension line of body of rod 1.

Specifically, in the first embodiment, when the mouse-tooth forceps 2 extend out of the forceps casing 5, the forceps heads are in the original state, and the first embodiment realizes the mutual opening of the forceps heads by means of the elastic force of the forceps heads.

The specific implementation method comprises the following steps: as shown in fig. 8 and 9:

the mouse-tooth forceps 2 comprises a second connecting part 2d, a second forceps head 2e and a forceps body spring 2c,

the second connecting parts 2d are fixedly arranged on the rod body 1, the second connecting parts 2d are provided with second connecting surfaces 2d1, the number of the second connecting surfaces 2d1 is equal to that of the second forceps heads 2e, and the second connecting surfaces 2d1 are uniformly arranged around the axis of the rod body 1;

the number of the pincer body springs 2c is equal to that of the pincer heads, one ends of the pincer body springs 2c are hinged to the second connecting portions 2d, the other ends of the pincer body springs 2c are hinged to the pincer heads, and the pincer body springs 2c are in original lengths when the mouse-tooth pincer 2 extends out of the pincer body sleeve 5;

the second tong head 2e comprises a second tong tail 2e1, a second tong body 2e2 and second rat teeth 2e3, the second tong tail 2e1 is hinged to the second connecting surface 2d1 in a one-to-one correspondence manner, and the second tong tail 2e1 is fixedly connected with the second tong body 2e2 through a connecting section; when the forceps body spring 2c is in the original length, the distance of the extension line of the second forceps body 2e2 part of the second forceps head 2e relative to the axis of the rod body 1 is greater than the radius length of the inner wall circle of the forceps body sleeve 5, the axis of the second forceps body 2e2 is parallel to the axis of the second forceps tail 2e1, and the second forceps body 2e2 is fixedly connected with the second forceps tail 2e1 through a connecting section; the second rat tooth 2e3 is fixedly arranged at one end, far away from the second tail 2e1, of the second caliper body 2e2, the second rat tooth 2e3 is a bump, the protruding direction of the second rat tooth 2e3 faces the axis extension line of the rod body 1, and a plurality of second grooves 2e4 are formed in the second rat tooth 2e 3.

Specifically, in the second embodiment, when the mouse-tooth forceps 2 extends out of the forceps casing 5, the forceps spring 2c is in an original state, and the second embodiment opens the forceps head by the elastic force of the forceps spring 2 c. The pliers head can be made of stainless steel materials or plastic materials with better elasticity and other materials, and the finished product can be determined according to the actual use place and cost.

The second embodiment needs an additional clamp body spring 2c, and a plurality of parts are hinged, so that the manufacturing process is complex, and the disposable purpose is not met, so that the first embodiment is the preferred scheme of the second embodiment. But the second embodiment is an alternative to this embodiment according to actual situations.

Specifically, the above two embodiments have in common:

when the mouse teeth forceps 2 extend out of the forceps body sleeve 5, the forceps heads are in an original state, three first forceps heads 2b are distributed around the axis of the rod body 1, and the first mouse teeth 2b3 face the axis of the rod body 1. When the mouse-tooth forceps 2 is retracted and hidden in the forceps body sleeve 5, since the first forceps body 2b2 is farther away from the axial extension line of the rod body 1 relative to the inner wall of the forceps body sleeve 5, the first forceps body 2b2 is abutted by the inner wall of the forceps body sleeve 5, so that the first forceps body 2b2 and the first mouse teeth 2b3 move toward the axial extension line of the rod body 1, and the first mouse teeth 2b3 can be finally abutted together. The first mouse tooth 2b3 protruding toward the direction of the extension line of the rod body 1 is used to hook out a foreign body or other lesion and finally clamp the lesion, so that the lesion falls off the patient.

When the first forceps head 2b is in an original state, the first forceps body 2b2 is parallel to the axis of the rod body 1, and the first mouse teeth 2b3 extend towards the axis of the rod body 1, so that when a practitioner works, the top end of the first forceps body 2b2 and the first mouse teeth 2b3 are prevented from scraping and rubbing the airway wall of a patient, and therefore, not only is the patient prevented from being injured by medical equipment, but also the patient is prevented from making stress reaction due to pain stimulation and affecting the treatment process. The design of first recess 2b4 can have skid-proof effect when first binding clip 2b cliies foreign matter or focus, prevents that the centre gripping from tightly causing the foreign matter secondary to drop for the foreign matter brings the secondary injury to the patient.

In the above process, it is true that the first bit 2b, the first rat tooth 2b3, etc. are replaced by the corresponding second bit 2e, the second rat tooth 2e3, etc.

Further:

in order to solve the technical problem of how to slide the rod body 1 in the rod body casing 3, as shown in fig. 4, 5 and 6, the following technical solutions are provided:

the rod body sleeve 3 is provided with a first sleeve 3a, the sleeve of the first sleeve 3a can slide relatively is arranged on the rod body 1, the inner wall of the first sleeve 3a is completely attached to the outer surface of the rod body 1, and the length of the first sleeve 3a is smaller than that of the rod body 1.

Specifically, because the inner wall of the first sleeve 3a completely fits the outer surface of the rod body 1, the rod body 1 can slide in the first sleeve 3a relatively stably.

Further:

in order to solve the technical problem of providing power for the rat-tooth forceps 2 to be contracted and hidden in the forceps body sleeve 5, as shown in figures 3, 4 and 6, the following technical scheme is provided:

one end fixed mounting that first sleeve pipe 3a kept away from mouse dentate pliers 2 has main part spring 4, and main part spring 4 suit is on the body of rod 1, main part spring 4's one end and body of rod 1 fixed connection, and main part spring 4 is in compression state all the time, and the length sum of main part spring 4 length and first sleeve pipe 3a is less than the length of the body of rod 1.

Specifically, when the mouse-tooth forceps 2 is retracted and hidden in the forceps casing 5, the main body spring 4 is already in a compressed state, and the rod body 1 is always pulled, so that the rod body 1 obtains a force towards a direction away from the mouse-tooth forceps 2, and the force enables the rod body 1 to drive the mouse-tooth forceps 2 to be retracted and hidden in the forceps casing 5. When the mouse dentate pliers 2 are required to work, the mouse dentate pliers 2 are aligned with the focus, the pressing head 1a is pushed, and the rod body 1 drives the mouse dentate pliers 2 to extend to the focus. When the pressing head 1a is loosened, the main body spring 4 pushes the rod body 1 to move towards the direction far away from the mouse tooth forceps 2, the rod body 1 drives the mouse tooth forceps 2 to move, and the mouse tooth forceps 2 shrinks and is hidden in the forceps body sleeve 5 and clamps a focus.

Further:

in order to solve the technical problems of beautiful appearance of the whole rod body sleeve 3 and convenient holding operation, as shown in fig. 1, 2, 3, 4 and 5, the following technical scheme is provided:

the outside of main part spring 4 is provided with second sleeve 3b, and main part spring 4 and first sleeve 3a are adorned in second sleeve 3b by the cover, and the one end of second sleeve 3b flushes with the one end that first sleeve 3a is close to mouse tooth pincers 2, first sleeve 3a and second sleeve 3b fixed connection, and the length of first sleeve 3a is greater than the length sum of main part spring 4 length and first sleeve 3a, and the length of first sleeve 3a is less than the length of the body of rod 1.

Specifically, the second sleeve 3b is used for sleeving the first sleeve 3a and the main body spring 4 in the middle, so that a practitioner can conveniently grab the foreign body forceps without having a lower hand due to the existence of the main body spring 4. The operation of the practitioner is convenient.

Further:

in order to solve the technical problems of reducing the hand fatigue of practitioners, facilitating the operation of the practitioners and enabling the design to be more humanized, as shown in fig. 1, 2 and 4, the following technical scheme is provided:

the one end fixed mounting that body of rod sleeve pipe 3 kept away from mouse tooth pincers 2 has handle 6, and handle 6 suit is on body of rod sleeve pipe 3, and handle 6 is provided with a plurality of archs 6a on the handle 6 for the shape that the staff controlled conveniently.

Specifically, the shape that handle 6 was convenient for the staff to control more makes things convenient for the staff to snatch, and humanized design can bring more comfortable use and experience, and protruding 6a on handle 6 has skid-proof effect moreover, can help this foreign matter pincers of better use of staff.

The working principle of the utility model is as follows:

step one, taking out the foreign body forceps.

Step two, observing the focus: after the patient is placed, the patient is allowed to open the airway with an auxiliary tool and the focus is observed.

Step three, using foreign body forceps: the handle 6 is held by one hand to align the thumb with the pressing head 1 a. Operating the foreign body forceps to align the mouse tooth forceps 2 or the forceps body sleeve 5 with the foreign body to be clamped, and pressing the pressing head 1a after alignment, so that the mouse tooth forceps 2 extend to the foreign body; after the mouse teeth 2b3 of the mouse-tooth forceps 2 are completely aligned with the foreign matters, the pressing head 1a is slowly released and the position of the mouse-tooth forceps 2 is continuously adjusted until the foreign matters are completely clamped. And if the clamping is unsuccessful once, repeating the operations according to the actual condition.

Step four, taking out the foreign body forceps: after the focus is clamped, the foreign body forceps are slowly taken out, and other medical treatment is carried out on the patient.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A disposable rat tooth airway foreign body forceps, which comprises,

a rod body (1);

the rod body sleeve (3) is sleeved on the rod body (1) in a relatively sliding manner, and the rod body sleeve (3) is collinear with the axis of the rod body (1);

the clamp body sleeve (5) is annular, the clamp body sleeve (5) is fixedly arranged at one end of the rod body sleeve (3), and the axis of the clamp body sleeve (5) is collinear with the axis of the rod body sleeve (3);

the mouse-tooth forceps (2) are fixedly arranged on the rod body (1), the mouse-tooth forceps (2) can be extended out and retracted to be concealed in the forceps casing (5), and the mouse-tooth forceps (2) are provided with at least three forceps heads;

it is characterized in that the foreign body forceps also comprise,

the rod body sleeve (3) is provided with a first sleeve (3a), the first sleeve (3a) can be sleeved on the rod body (1) in a relatively sliding mode, the inner wall of the first sleeve (3a) is completely attached to the outer surface of the rod body (1), and the length of the first sleeve (3a) is smaller than that of the rod body (1);

one end of the first sleeve (3a) far away from the mouse tooth forceps (2) is fixedly provided with a main body spring (4), the main body spring (4) is sleeved on the rod body (1), one end of the main body spring (4) is fixedly connected with the rod body (1), the main body spring (4) is always in a compression state, and the sum of the length of the main body spring (4) and the length of the first sleeve (3a) is smaller than the length of the rod body (1).

2. The disposable rat-tooth airway foreign body forceps as defined in claim 1, wherein a pressing head (1a) is provided on the rod body (1) at an end away from the rat-tooth forceps (2), and the diameter of the pressing head (1a) is larger than that of the rod body (1).

3. The disposable rat dental airway foreign body forceps as defined in claim 1, wherein the rat dental forceps (2) comprises,

the first connecting part (2a), the first connecting part (2a) is fixedly arranged on the rod body (1), a plurality of first connecting surfaces (2a1) are arranged on the first connecting part (2a), the number of the first connecting surfaces (2a1) is equal to that of the forceps heads, and the first connecting surfaces (2a1) are uniformly arranged around the axial extension line of the rod body (1);

the first tong head (2b) is made of an elastic material, the first tong head (2b) comprises a first tong tail (2b1), a first tong body (2b2) and first rat teeth (2b3), and the first tong tail (2b1) is fixedly mounted on the first connecting surface (2a1) in a one-to-one correspondence manner; when the mouse-tooth forceps (2) extend out of the forceps body sleeve (5), the first forceps head (2b) is in an original state, the distance between the first forceps body (2b2) part of the first forceps head (2b) in the original state and the axis extension line of the rod body (1) is greater than the radius length of an inner wall circle of the forceps body sleeve (5), the axis of the first forceps body (2b2) is parallel to the axis of the first forceps tail (2b1), and the first forceps body (2b2) is fixedly connected with the first forceps tail (2b1) through a connecting section; first rat tooth (2b3) is fixed to be set up in first pincers body (2b2) and is kept away from the one end of first pincers tail (2b1), and first rat tooth (2b3) is a lug, and the protruding direction of first rat tooth (2b3) is provided with a plurality of first recesses (2b4) towards the design of the axis extension line of body of rod (1), first rat tooth (2b 3).

4. The disposable rat tooth airway foreign body forceps as defined in claim 1,

the mouse-tooth forceps (2) comprises a second connecting part (2d), a second forceps head (2e) and a forceps body spring (2c),

the second connecting parts (2d) are fixedly arranged on the rod body (1), the second connecting parts (2d) are provided with second connecting surfaces (2d1), the number of the second connecting surfaces (2d1) is equal to that of the second forceps heads (2e), and the second connecting surfaces (2d1) are uniformly arranged around the axis of the rod body (1);

the number of the forceps body springs (2c) is equal to that of the forceps heads, one end of each forceps body spring (2c) is hinged to the second connecting portion (2d), the other end of each forceps body spring (2c) is hinged to the forceps heads, and the forceps body springs (2c) are of the original length when the mouse-tooth forceps (2) extend out of the forceps body sleeve (5);

the second tong head (2e) comprises a second tong tail (2e1), a second tong body (2e2) and second rat teeth (2e3), the second tong tail (2e1) is hinged to a second connecting surface (2d1) in a one-to-one correspondence manner, and the second tong tail (2e1) is fixedly connected with the second tong body (2e2) through a connecting section; when the forceps body spring (2c) is in the original length, the distance of the second forceps body (2e2) part of the second forceps head (2e) relative to the axial extension line of the rod body (1) is greater than the radius length of the inner wall circle of the forceps body sleeve (5), the axial line of the second forceps body (2e2) is parallel to the axial line of the second forceps tail (2e1), and the second forceps body (2e2) is fixedly connected with the second forceps tail (2e1) through a connecting section; the second rat tooth (2e3) is fixedly arranged at one end, far away from the second clamp tail (2e1), of the second clamp body (2e2), the second rat tooth (2e3) is a bump, the protruding direction of the second rat tooth (2e3) faces to the axis extension line of the rod body (1), and a plurality of second grooves (2e4) are formed in the second rat tooth (2e 3).

5. The disposable rat-tooth airway foreign body forceps as defined in claim 1, characterized in that a second sleeve (3b) is arranged outside the main body spring (4), the main body spring (4) and the first sleeve (3a) are sleeved in the second sleeve (3b), one end of the second sleeve (3b) is flush with one end of the first sleeve (3a) close to the rat-tooth forceps (2), the first sleeve (3a) is fixedly connected with the second sleeve (3b), and the length of the first sleeve (3a) is greater than the sum of the length of the main body spring (4) and the length of the first sleeve (3 a).

6. The disposable rat-tooth airway foreign body forceps as defined in claim 1, wherein a handle (6) is fixedly mounted at one end of the rod casing (3) far away from the rat-tooth forceps (2), the handle (6) is sleeved on the rod casing (3), the handle (6) is in a shape convenient for being held by a human hand, and a plurality of protrusions (6a) are arranged on the handle (6).

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