CN211934202U

CN211934202U - Medical micro-forceps

Info

Publication number: CN211934202U
Application number: CN202020168657.XU
Authority: CN
Inventors: 罗笛; 高义军
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-11-17
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a medical micro-tweezers, including two tweezers handles and two exposed core, still include two connecting portion, every the one end of tweezers handle respectively is connected with a slice exposed core through a connecting portion, and two connecting portion looks intercrossings, the mutual elastic connection of the other end of two tweezers handles makes two exposed core laminate mutually under the tweezers handle atress, and two exposed core separate mutually under the tweezers handle atress. The utility model discloses a design is mediated in the reverse direction to medical micro-tweezers adoption, if want to open tweezers and need hold between the fingers to resultant force, and long-term centre gripping then need not exert oneself, can improve and mediate easy tired and the easy unstable phenomenon of centre gripping that takes place easily behind the fatigue for a long time to the security is high, and service life is longer, convenient to use.

Description

Medical micro-forceps

Technical Field

The utility model relates to a medical instrument, concretely relates to medical micro-tweezers.

Background

The micro-forceps is one of the instruments commonly used in surgical operations and can be used for extracting and separating fine tissues and clamping and knotting a lifting wire. The tip of the micro-forceps is sharp but not sharp, the edge has no edge angle, the involution is good, and the fine-hair can firmly clamp the fine hair. A pair of common micro forceps is the medical suture micro forceps, forceps handles are arranged on two sides of a body of the pair of common micro forceps, each forceps head is arranged on each forceps handle, two trimming blades are correspondingly arranged between the two forceps heads, the micro forceps can be directly extended forwards after the suture operation is completed, the suture operation can be completed by using the trimming blades on the micro forceps to trim short wire ends, the operation is simple, the time is saved, the workload of doctors is reduced, and the working efficiency is improved. However, the micro-tweezers have the following problems: 1. if the blood vessel is clamped stably, the combined force of the forefinger and the thumb needs to be used continuously for a long time, so that the blood vessel is easy to fatigue, and the phenomenon of unstable clamping is easy to occur after the fatigue; 2. if the blood vessel is clamped stably, the combination of the forefinger and the thumb needs to be used continuously for a long time, and if the force is too strong, the clamped tissue is easy to be crushed; 3. the trimming blade is also folded simultaneously when the trimming blade is clamped and pinched, and the protective design is not needed, so that other tissues are easily accidentally injured; 4. the edge end structure of the trimming blade can only be engaged edge to edge without shearing force, the engagement design is precise and is easy to wear, and the use time limit is influenced; 5. the tip of the whole tweezers is straight and is not easy to extend into the hidden cavity of the corner.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a medical micro-tweezers, it adopts reverse kneading design, and the user is if want to open tweezers and need hold between the fingers a resultant force, and long-term centre gripping then need not exert oneself, can improve and knead easily and take place the unstable phenomenon of centre gripping after tired and the easy fatigue of kneading for a long time to the security is high, and the service life is longer, convenient to use.

In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model provides a medical micro forceps, includes two tweezers handles and two clamping ends, still includes two connecting portion, every one end of tweezers handle respectively is connected with a slice clamping end through a connecting portion, and two connecting portion intersect and cross, the mutual elastic connection of the other end of two tweezers handles makes two clamping ends mutually laminate under the tweezers handle not atress, and the tweezers handle is kneaded the power down two clamping ends and is separated.

As a further improvement of the above technical solution:

the two blades are attached to one side of the connection part, and the forceps handle rebounds after being subjected to kneading force to enable the two blades to slide relatively to achieve shearing.

And a protective net is arranged on the outer side of the blade.

The clamping end comprises forceps tips and an adjusting knob, the forceps tips are connected to the connecting portion through the adjusting knob and can be adjusted by the adjusting knob to rotate around an axis perpendicular to a symmetrical plane between the two forceps tips so as to adjust an angle between the forceps tips and the forceps handle.

The two forceps handles are respectively provided with an auxiliary handle, the two auxiliary handles are crossed, the auxiliary handles are driven to be separated by kneading force, and therefore the mutual attaching force of the two clamping ends is increased through the crossed connecting parts.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a medical micro-tweezers, including two tweezers handles, two exposed core and two connecting portion, the one end of every tweezers handle respectively is connected with a slice exposed core through a connecting portion, and two connecting portion intersect, the mutual elastic connection of the other end of two tweezers handles. Because connecting portion are crisscross, consequently the utility model discloses a medical tweezers are opposite with current tweezers application of force mode commonly used, and this kind of mode that sets up makes two centre gripping end phase laminatings under the tweezers handle does not atress promptly, is in the centre gripping state, and tweezers handle two centre gripping end phase separations under the kneading force are in and treat the centre gripping state. The force application mode has the advantages that when long-term clamping is needed, the medical micro-forceps are in a clamping state in a normal state, an operator does not need to use the forefinger and the thumb to apply pinching force for a long time, so that the phenomenon of unstable clamping caused by continuous application of the pinching force is avoided, the result of clamping and damaging tissues caused by excessive applied pinching force is avoided, and the use effect and the safety performance are greatly improved. When the forceps are required to be clamped, only the pinching force is required to be applied to the forceps handle, the clamping end can be opened, after the tissue is clamped, the pinching force is stopped to be applied, the clamping end can be automatically closed due to the elastic action of the forceps handle, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic view of the medical micro-forceps of the present invention;

fig. 2 is a schematic view of the bottom structure of the medical micro-forceps of the present invention;

fig. 3 is a schematic structural view of the medical micro-forceps in a state of being clamped;

fig. 4 is a schematic structural view of the clamping state of the medical micro-forceps of the present invention;

fig. 5 is a schematic view of adjusting the forceps sharp angle in the medical micro forceps of the present invention;

fig. 6 is a schematic view of the auxiliary handle of the medical micro-forceps of the present invention receiving kneading force.

Illustration of the drawings: 1. a forceps handle; 11. an auxiliary handle; 2. a clamping end; 21. a forceps tip; 22. adjusting a knob; 3. a connecting portion; 31. a blade.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.

Example (b):

as shown in fig. 1 to 4, the medical micro-forceps of the present embodiment includes two forceps handles 1 and two holding ends 2, and further includes two connecting portions 3, one end of each forceps handle 1 is connected to one holding end 2 through one connecting portion 3, the two connecting portions 3 are crossed, and the other ends of the two forceps handles 1 are elastically connected to each other. Because the connecting parts 3 are crossed, the force application mode of the medical micro-forceps is opposite to that of the existing commonly used forceps, namely, the arrangement mode enables the two clamping ends 2 to be attached to each other and to be in a clamping state under the condition that the forceps handle 1 is not stressed, and the two clamping ends 2 are separated from each other and to be in a to-be-clamped state under the condition that the forceps handle 1 is stressed. The force application mode has the advantages that when stable clamping is needed, the medical micro-forceps are in a clamping state in a normal state, an operator does not need to use the forefinger and the thumb to apply pinching force for a long time, so that the phenomenon of unstable clamping caused by continuous application of the pinching force is avoided, the result of clamping and damaging tissues caused by excessive applied pinching force is avoided, and the use effect and the safety performance are greatly improved. When the forceps are required to be clamped, only the pinching force needs to be applied to the forceps handle 1, the clamping end 2 can be opened, after the tissue is clamped, the pinching force stops being applied, the clamping end 2 can be automatically closed due to the elastic action of the forceps handle 1, and the operation is simple and convenient.

In this embodiment, the elastic connection mode of the end of the forceps handle 1 may be elastic connection that is adopted by the existing commonly used forceps by using the toughness of the material itself, or elastic connection may be realized by an elastic member that is arranged between the two forceps handles 1 and supported by the elastic member, or other connection modes that can realize the elastic connection mode, which are not described herein again.

In this embodiment, the connecting portion 3 is provided with the blades 31 on the same side of the attaching side of the holding end 2, the two blades 31 are attached on one side, and the forceps handle 1 rebounds after being subjected to a kneading force to enable the two blades 31 to slide relatively to realize shearing. When the shearing is needed, the forceps handle 1 is kneaded to open the clamping end 2, at the moment, the two blades 31 are also opened relatively, then the object to be sheared is placed between the two blades 31, the kneading force is stopped to be applied, and the two blades 31 can realize relative sliding under the elastic action of the forceps handle 1 so as to shear. If the toughness of the object to be sheared is larger, the shearing process is blocked, and the auxiliary handle 11 can be kneaded to strengthen the shearing force. This embodiment adopts scissors shear type blade 31 to replace sword alligator blade to sword interlock formula blade in the past, and two blades 31 realize cuting through relative slip, and the condition of wearing and tearing each other can not appear at the two cutting part in the shearing process, and life is longer to reduced blade 31's machining precision requirement, manufacturing and processing cost is lower, has saved more resources.

In this embodiment, the protective net is arranged outside the blade 31, so that other tissues can be effectively prevented from being accidentally injured, and the safety performance is further improved. The protective net of the embodiment is a protective net commonly used in a blade, a scraper or a eyebrow shaver.

In the embodiment, as shown in fig. 5, the holding end 2 includes a forceps tip 21 and an adjusting knob 22, the forceps tip 21 is connected to the connecting portion 3 through the adjusting knob 22, and can be adjusted by the adjusting knob 22 to rotate around an axis perpendicular to a symmetry plane between the two forceps tips 21, so as to adjust an angle between the two forceps tips 21 and the forceps handle 1. When needing to go deep into the hidden nest hole at the corner to clamp tissues, the forceps tips 21 can be bent at different angles by adjusting the knob 22, so that the tips can extend into the hidden nest hole at the corner, and the operation is more convenient.

In this embodiment, as shown in fig. 6, two auxiliary handles 11 are respectively disposed on the two forceps handles 1, the two auxiliary handles 11 are crossed, and the auxiliary handles 11 are driven by the kneading force to separate the forceps handles 1, so that the mutual adhesion force of the two clamping ends 2 is increased through the crossed connecting portions 3, that is, the clamping force of the clamping ends 2 is increased. When needs the firm centre gripping action such as tractive, tear, only need exert the kneading force to supplementary handle 11 under clamping status, can increase the clamping-force of exposed core 2 to stabilize the centre gripping operation.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention should be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a medical micro-tweezers, includes two tweezers handles (1) and two clamping end (2), its characterized in that: the tweezers comprise tweezers handles (1) and are characterized by further comprising two connecting parts (3), one end of each tweezers handle (1) is connected with one clamping end (2) through one connecting part (3), the two connecting parts (3) are crossed, the other ends of the two tweezers handles (1) are elastically connected with each other, the two clamping ends (2) are attached to each other under the condition that the tweezers handles (1) are not stressed, and the two clamping ends (2) are separated from each other under the condition that the tweezers handles (1) are stressed.

2. The medical micro-forceps according to claim 1, wherein: the blade (31) is arranged on the same side of the connecting part (3) at the joint side of the clamping end (2), the two blades (31) are jointed at one side, and the forceps handle (1) rebounds after being subjected to kneading force to enable the two blades (31) to slide relatively to realize shearing.

3. The medical micro-forceps according to claim 2, wherein: and a protective net is arranged on the outer side of the blade (31).

4. The medical micro-forceps according to claim 1, wherein: the clamping end (2) comprises forceps tips (21) and an adjusting knob (22), the forceps tips (21) are connected to the connecting portion (3) through the adjusting knob (22) and can be adjusted by the adjusting knob (22) to rotate around an axis perpendicular to a symmetrical plane between the two forceps tips (21) so as to adjust an angle between the forceps tips and the forceps handle (1).

5. The medical micro-forceps according to claim 1, wherein: the two forceps handles (1) are respectively provided with an auxiliary handle (11), the two auxiliary handles (11) are crossed, the auxiliary handles (11) are driven by kneading force to separate the forceps handles (1), and therefore the mutual adhering force of the two clamping ends (2) is increased through the crossed connecting parts (3).