CN216294194U

CN216294194U - Medical nipper head end device of alligator type based on symmetry shell fragment structure

Info

Publication number: CN216294194U
Application number: CN202121296119.XU
Authority: CN
Inventors: 张展鸿
Original assignee: Luken Shanghai Medical Technology Co ltd
Current assignee: Luken Shanghai Medical Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-04-15
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a symmetrical elastic sheet structure-based alligator-shaped medical grasper head end device, which comprises an installation part and a pair of elastic body clamping pieces, wherein the pair of elastic body clamping pieces are arranged at one end of the installation part, the pair of elastic body clamping pieces are symmetrically distributed along the axis of the installation part, the other end of the installation part is connected with a transition connecting shaft of the grasper, and the pair of elastic body clamping pieces are driven to open and close by driving an outer sleeve or the installation part so as to achieve the effect of grasping tissues. A row of teeth are respectively arranged on the corresponding surfaces of the elastic body clamping pieces. The utility model is suitable for clamping muscle tissue, overcomes the defect that the grasping tissue is easy to cause clamping wound by grasping forceps in the prior art on the premise of ensuring the clamping effect, improves the success rate of the operation and reduces the operation risk of a patient.

Description

Medical nipper head end device of alligator type based on symmetry shell fragment structure

Technical Field

The utility model relates to the field of medical grasper head end devices, in particular to a symmetrical spring plate structure-based alligator-tooth-type medical grasper head end device.

Background

Among the prior art, when the head end device of nipper is providing supplementary centre gripping for the endoscopic surgery, the head end device of nipper causes the centre gripping wound to the centre gripping tissue easily, has reduced the success rate of operation, has caused unexpected risk.

SUMMERY OF THE UTILITY MODEL

According to the embodiment of the utility model, the alligator type medical grasper head end device based on the symmetrical elastic sheet structure comprises an installation piece and a pair of elastic body clamping pieces, wherein the pair of elastic body clamping pieces are arranged at one end of the installation piece, the pair of elastic body clamping pieces are symmetrically distributed along the axis of the installation piece, the other end of the installation piece is connected with a transition connecting shaft of the grasper and used for driving the pair of elastic body clamping pieces to open and close or driving an outer sleeve to open and close the pair of elastic body clamping pieces, and a row of teeth are respectively arranged on the corresponding surfaces of the pair of elastic body clamping pieces.

Further, the mounting piece is cylindrical, and the diameter of the end face of the mounting piece is not more than 5 mm.

Further, the opening distance of the pair of elastic body clamping pieces is not more than 25 mm.

Further, the length of a row of teeth that sets up on the elastomer holder is not more than 20mm, is equipped with the notch between the adjacent tooth, and the width of notch is not more than 1.5 mm.

Further, the tooth thickness of the teeth is not more than 1 mm.

Further, the elastomer clip comprises: the tooth-shaped structure comprises a front section, a middle section and a rear section, wherein the front section is connected with one end of the middle section, the included angle range of the inner side of the front section and the inner side of the middle section is 150-170 degrees, and a row of teeth are located on the inner side of the front section.

Further, the ratio of the length of anterior segment and middle section is 133: 103.

furthermore, the middle section is connected with one end of the rear section, the included angle range of the middle section and the outer side of the rear section is 140-160 degrees, and the rear section is connected with one end of the mounting piece.

Further, the ratio of the length of the middle section to the length of the rear section is 103: 113.

further, the elastomer clamping piece and the mounting piece are integrally formed.

The alligator-shaped medical grasper head end device based on the symmetrical elastic sheet structure is suitable for grasping muscle tissues, overcomes the defect that the grasper in the prior art is easy to cause grasping trauma to the grasped tissues on the premise of ensuring the grasping effect, improves the success rate of the operation, and reduces the operation risk of a patient.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.

Drawings

Fig. 1 is a front view of a medical alligator-type medical grasper head device based on a symmetrical spring plate structure according to an embodiment of the utility model.

Detailed Description

The present invention will be further explained by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings.

First, referring to fig. 1, a medical alligator-type grasper head device based on a symmetrical spring plate structure for providing auxiliary muscle tissue grasping for endoscopic surgery according to an embodiment of the present invention will be described.

As shown in fig. 1, the alligator type medical grasper head device based on a symmetrical spring plate structure according to an embodiment of the present invention includes a mounting member 1 and a pair of elastic body clamping members 2.

Specifically, as shown in fig. 1, a pair of elastomer clamping pieces 2 are arranged at one end of the mounting piece 1, the pair of elastomer clamping pieces 2 are symmetrically distributed along the axis of the mounting piece 1, the other end of the mounting piece 1 is connected with a transition connecting shaft of the grasper and used for driving the pair of elastomer clamping pieces 2 to open and close, or the pair of elastomer clamping pieces are opened and closed by driving an outer sleeve, and a row of teeth 21 are respectively arranged on the corresponding surfaces of the pair of elastomer clamping pieces 2.

Further, as shown in fig. 1, the mounting piece 1 is cylindrical, the diameter of the end face of the mounting piece is not more than 5mm, and the wound area of the human body caused by the operation is reduced.

Further, as shown in fig. 1, the opening distance of the pair of elastic clamping pieces 2 is not more than 25mm, so that unnecessary trauma to a human body is avoided.

Further, as shown in fig. 1, the length of a row of teeth 21 arranged on the elastic body clamping piece 2 is not more than 20mm, the number of the teeth 21 is not more than 10, the teeth are rounded teeth, the effect of reducing unnecessary injury to a human body caused by an operation on the premise of ensuring stable clamping is achieved, a notch 22 is arranged between every two adjacent teeth 21, the width of the notch 22 is not more than 1.5mm and used for clamping muscle tissues, when a pair of elastic body clamping pieces 2 are occluded to a muscle bundle, the muscle bundle can be embedded into the notch 22, when the pair of elastic body clamping pieces 2 are in a closed state, the two rows of teeth 21 on the pair of elastic body clamping pieces 2 are mutually staggered, acute angles of the teeth 21 are hidden to the maximum extent, unforeseen wounds to the human body are avoided, and potential safety hazards in the operation process are reduced.

Further, as shown in fig. 1, the thickness of the teeth 21 is not greater than 1mm, when the pair of elastic body clamping pieces 2 are occluded to the muscle bundle, the teeth 21 can extend into the gap between the muscle bundles to play a role in locking, so that the effect of reducing the damage to the structure of the muscle bundle is achieved, the problems of tearing, pulling and the like caused by clamping the muscle tissue are avoided, the damage to the muscle tissue is reduced, the tooth tops of the teeth 21 are curved surfaces, and the damage to the surface of the muscle bundle is avoided when the muscle bundle is clamped.

Further, as shown in fig. 1, the elastic body holder 2 includes: anterior segment 23, middle section 24 and back end 25, anterior segment 23 links to each other with the one end of middle section 24, and the contained angle alpha scope of the inboard of anterior segment 23 and middle section 24 is 150 ~170, and the junction of anterior segment 23 and middle section 24 is the arc, and a row of tooth 21 is located the inboard of anterior segment 23, and the ratio of the length of anterior segment 23 and middle section 24 is 133: 103; middle section 24 links to each other with the one end of back end 25, and the contained angle beta scope in the outside of middle section 24 and back end 25 is 140 ~160, and the junction of middle section 24 and back end 25 is the arc, and back end 25 links to each other with the one end of installed part 1, and the ratio of the length of middle section 24 and back end 25 is 103: 113, under the prerequisite of guaranteeing the centre gripping effect, make the overall structure of elastomer holder 2 more fit for human inner space, reduced the operation degree of difficulty of performing the operation, improved the success rate of operation, simultaneously, improved clinical treatment quality, reduced the risk of operation, guaranteed patient's life safety.

Further, as shown in fig. 1, the elastomer clamping member 2 and the mounting member 1 are integrally formed and made of stainless steel, so that the connecting structure has the advantages of simple structure and stable connection.

When a user clamps muscle tissues by using the grasping forceps provided with the alligator type medical grasping forceps head end device based on the symmetrical elastic sheet structure, the muscle bundles are embedded into the notches 22, the teeth 21 are inserted into gaps of the muscle bundles, and the muscle bundles are locked, so that the purpose of fixing the muscle bundles is achieved.

In the above, with reference to fig. 1, the medical alligator-shaped grasper head end device based on the symmetrical elastic sheet structure according to the embodiment of the present invention is described, which is suitable for grasping muscle tissue, and on the premise of ensuring the grasping effect, the medical alligator-shaped grasper head end device solves the defect that the grasper in the prior art is easy to cause grasping wound to the grasped tissue, improves the success rate of the operation, and reduces the operation risk of the patient.

It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the utility model. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the utility model should be determined from the following claims.

Claims

1. The utility model provides a medical nipper head end device of alligator type based on symmetry shell fragment structure, contains installed part and a pair of elastomer holder, a pair of elastomer holder sets up the one end of installed part, a pair of elastomer holder is followed the axle center symmetric distribution of installed part, the other end of installed part links to each other with the transition connecting axle of outside nipper, is used for the drive a pair of elastomer holder opens and shuts, perhaps drives the outer tube and opens and shuts a pair of elastomer holder, its characterized in that, be equipped with a row of tooth on the corresponding face of a pair of elastomer holder respectively, set up on the elastomer holder the length of a row of tooth is not more than 20mm, and is adjacent be equipped with the notch between the tooth, the width of notch is not more than 1.5 mm.

2. The medical alligator grasper tip device based on a symmetrical spring plate structure of claim 1, wherein the mounting member is cylindrical and the end surface of the mounting member has a diameter of not more than 5 mm.

3. The medical alligator grasper tip device based on a symmetrical spring structure of claim 1, wherein the pair of elastomer grippers are open by a distance of no more than 25 mm.

4. The medical alligator grasper tip device based on a symmetrical spring structure of claim 1, wherein the teeth have a tooth thickness of no greater than 1 mm.

5. The medical alligator grasper tip device based on a symmetrical spring structure of claim 1, wherein the elastic body holder comprises: the tooth-shaped structure comprises a front section, a middle section and a rear section, wherein the front section is connected with one end of the middle section, the included angle range of the front section and the inner side of the middle section is 150-170 degrees, and the row of teeth are located on the inner side of the front section.

6. The medical alligator grasper head end device based on a symmetrical spring plate structure of claim 5, wherein the ratio of the length of the front section to the middle section is 133: 103.

7. the symmetrical spring plate structure-based alligator-type medical grasper tip device of claim 5, wherein the middle section is connected to one end of the rear section, the middle section is angled from the outside of the rear section by an angle in the range of 140 ° to 160 °, and the rear section is connected to one end of the mounting member.

8. The medical alligator grasper tip device based on a symmetrical spring plate structure of claim 5, wherein the ratio of the length of the middle section to the rear section is 103: 113.

9. the medical alligator-type gripping tongs head end device based on a symmetrical shrapnel structure of any one of claims 1-8, wherein the elastomer clamping piece and the mounting piece are integrally formed.