CN217723616U - Instrument knife device for transversely splitting and cutting costal cartilage - Google Patents

Abstract

The utility model provides an apparatus sword device for transversely splitting and cutting costal cartilage cuts and transversely splits costal cartilage through its operation structure, connection structure who sets up and the structure of gripping, solves the problem of cutting the costal cartilage difficulty under laparoscopic surgery, avoids damaging soft tissues such as blood vessel and pleura around, and transversely splits the back, can cut the costal cartilage of arbitrary thickness, under the prerequisite that acquires required costal cartilage, still guarantees the integrality of thorax.

Description

Instrument knife device for transversely splitting and cutting costal cartilage

Technical Field

The utility model relates to an apparatus sword field especially relates to an apparatus sword device that is used for horizontal cleft and cuts costal cartilage.

Background

In surgical plastic surgery, costal cartilage cutting operation is often required, and a doctor usually uses a periosteum stripper to strip the costal cartilage periosteum and then cuts off the costal cartilage for extraction. In a conventional rib-cutting operation, ribs are cut using a conventional scalpel blade, and thus, the scalpel blade easily damages the pleura, causing pneumothorax and other serious complications.

The costal cartilage generally does not affect the integrity of the thorax after being cut off, and the normal breathing of people is not affected; however, the protective function of internal organs is influenced to a certain extent, and the condition that the internal organs are injured when the thorax is squeezed and the patient exercises violently cannot be completely eliminated; after the costal cartilage is cut, except for a few people, sequelae such as thoracic deformity, pneumothorax, hemothorax and the like can occur; and the costal cartilage can not regenerate after being cut off, and part of the costal cartilage can be replaced by chemical fiber connective tissue, similar to scar tissue on the skin, and the compressive strength of the costal cartilage is not as strong as that of normal costal cartilage.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present invention provides an instrument knife device for transversely splitting and cutting costal cartilage, which is used to solve the problem of difficulty in cutting costal cartilage under laparoscopic surgery in the prior art.

To achieve the above and other related objects, the present invention provides an instrument knife device for transversely splitting and cutting costal cartilage, comprising: an operation structure, a connection structure and a holding structure; wherein the operation structure comprises: a forceps body structure which forms an operation space for accommodating the target costal cartilage; wherein, pincers body structure includes: the upper tong body can move longitudinally, the lower tong body, the upper tong head which is connected with the upper tong body and can move, and the lower tong head which is connected with the lower tong body and can move; the upper clamp body is connected with the bottom end of the lower clamp body through a movable connecting shaft which is longitudinally arranged, so that the upper clamp body can longitudinally move along the movable connecting shaft; the saw blade is arranged in the operation space, and two ends of the saw blade are respectively connected with the upper forceps body and the lower forceps body, so that the saw blade can cut and transversely split the target costal cartilage in the operation space; a motor connected with the saw blade; the connection structure includes: one end of the connecting rod shell is connected with the holding structure, and the other end of the connecting rod shell is connected with the operating structure; the connecting rod is arranged in the connecting rod shell; wherein, the connecting rod includes: an operating end connecting rod connected with the movable connecting shaft, a handle connecting rod and an elastic connecting rod connected between the handle connecting rod and the operating end connecting rod; the holding structure comprises: the head end of the holding handle shell is connected with the connecting rod shell, and the handle connecting rod is inserted into the holding handle shell; a jaw ejection switch button and a motor switch button embedded on the handle shell; the jaw ejection traction structure is arranged in the handle shell and connected with the jaw ejection switch button, and the handle connecting rod is connected with the handle shell and inserted into the handle shell and used for pushing the upper tong head and the lower tong head forwards; the power supply device is arranged in the holding handle shell, is connected with the motor switch button, is connected with the motor in the operation structure through a lead penetrating through the inner part of the connecting rod shell, and is used for supplying power to the motor through an external power supply.

In an embodiment of the present invention, the jaw pop-up traction structure includes: the fixing block is fixed on the inner wall of the holding handle shell and is arranged opposite to the jaw ejection switch button; one end of the spring is connected with the fixed block, and the other end of the spring is connected with the jaw ejection switch button and used for generating vertical elastic force when the switch button is pressed; and one end of the connecting rod is connected with the jaw ejecting switch button, and the other end of the connecting rod is connected with the end part of the handle connecting rod and is used for converting vertical force into transverse displacement so as to push the upper tong head and the lower tong head forwards.

In an embodiment of the present invention, the upper clamp body includes: the upper clamp comprises an upper clamp shell and an upper telescopic rod which is arranged in the upper clamp shell and can move longitudinally and transversely in the upper clamp shell; the head end of the upper telescopic rod is provided with the upper tong head, and the bottom end of the upper telescopic rod is connected with the movable connecting shaft; the lower caliper body includes: the lower clamp comprises a lower clamp shell and a lower telescopic rod which is arranged in the lower clamp shell and can move longitudinally and transversely in the lower clamp shell; the head end of the lower telescopic rod is provided with the lower tong head, and the bottom end of the lower telescopic rod is connected with the movable connecting shaft.

In an embodiment of the present invention, a spring is disposed in the movable connecting shaft, and the two ends of the spring are connected to the bottom end of the upper telescopic rod and the bottom end of the lower telescopic rod respectively.

In an embodiment of the present invention, the saw blade is disposed longitudinally at a center of the transverse width of the operation space.

In an embodiment of the present invention, the upper binding clip and the lower binding clip form an inverted V-shaped jaw.

In an embodiment of the present invention, the one end of the connecting rod housing is tightly fitted with the head end of the grip handle housing through a screw, and the other end of the connecting rod housing is tightly fitted with the lower clamp body through a screw.

In an embodiment of the present invention, the connecting rod housing is connected to the lower clamp body through a U-shaped matching member integrated therewith, so that the operating end connecting rod is connected to the movable connecting shaft disposed at the upper end of the lower clamp body.

In an embodiment of the present invention, the elastic connection rod is a flexible connection tube made of an elastic connection material.

In an embodiment of the present invention, the power supply device is connected to the external power source through the bottom end of the handle.

As described above, the utility model discloses an apparatus sword device for transversely split and cut costal cartilage has following beneficial effect: the utility model provides an apparatus sword device for transversely split and cut costal cartilage cuts costal cartilage and transversely splits through its operation structure, connection structure who sets up and the structure of gripping, solves the problem of cutting the costal cartilage difficulty under laparoscopic surgery, avoids damaging soft tissues such as blood vessel and pleura on every side, and transversely splits the back, can cut the costal cartilage of arbitrary thickness, under the prerequisite that acquires required costal cartilage, still guarantees the integrality of thorax.

Drawings

Fig. 1 is a schematic structural view of an instrument knife device for transversely splitting and cutting costal cartilage according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an operation structure according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a connection structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a holding structure according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an operation structure according to an embodiment of the present invention.

Fig. 6 is a schematic view of the connection between the grip handle housing and the connecting rod housing according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a U-shaped matching member according to an embodiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It is noted that in the following description, reference is made to the accompanying drawings which illustrate several embodiments of the invention. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present invention. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present invention is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "below," "lower," "above," "upper," and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature as illustrated in the figures.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including" specify the presence of stated features, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "a, B or C" or "a, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions or operations are inherently mutually exclusive in some way.

The utility model provides an apparatus sword device for transversely splitting and cutting costal cartilage cuts and transversely splits costal cartilage through its operation structure, connection structure who sets up and the structure of gripping, solves the problem of cutting the costal cartilage difficulty under laparoscopic surgery, avoids damaging soft tissues such as blood vessel and pleura around, and transversely splits the back, can cut the costal cartilage of arbitrary thickness, under the prerequisite that acquires required costal cartilage, still guarantees the integrality of thorax.

The following description of the embodiments of the present invention will be made in detail with reference to fig. 1 so that those skilled in the art can easily implement the embodiments of the present invention. The present invention may be embodied in a variety of different forms and is not limited to the embodiments described herein.

FIG. 1 is a schematic view of an embodiment of an instrument knife device for laterally cleaving and cutting costal cartilage;

the instrument knife device comprises: an operating structure 11, a connecting structure 12 and a holding structure 13;

in order to further explain the specific structures of the operating structure 11, the connecting structure 12 and the holding structure 13, the following descriptions are respectively made with reference to fig. 2 to 4;

as shown in fig. 2, it is a schematic structural diagram of the operation structure; the operation structure includes: a forceps body structure which forms an operation space for accommodating the target costal cartilage; wherein, pincers body structure includes: an upper pincer body 21 and a lower pincer body 22 which can move longitudinally, an upper pincer head 23 which is connected with the upper pincer body 21 and can move, and a lower pincer head 24 which is connected with the lower pincer body 22 and can move; the upper clamp body 21 is connected with the bottom end of the lower clamp body 22 through a movable connecting shaft 25 which is longitudinally arranged, so that the upper clamp body 21 can longitudinally move along the movable connecting shaft 25; the saw blade 26 is arranged in the operation space, and two ends of the saw blade are respectively connected with the upper forceps body and the lower forceps body, so that the target costal cartilage can be cut and transversely split in the operation space; a motor (not labeled) connected to the saw blade; it should be noted that, since the upper and lower forceps bodies and the upper and lower forceps heads are movable, the operation space thereof may be determined according to the corresponding costal cartilage, and the operation space thereof may be different depending on different costal cartilages.

As shown in fig. 3, a schematic view of the connecting structure; the connection structure includes: a connecting rod housing 31, one end of which is connected with the holding structure and the other end of which is connected with the operating structure; a connecting rod disposed in the connecting rod housing 31; wherein, the connecting rod includes: an operation end connecting rod 321 connected with the movable connecting shaft, a handle connecting rod 322, and an elastic connecting rod 323 connected between the handle connecting rod 321 and the operation end connecting rod 322; it should be noted that, when the operation structure moves or rotates, the elastic connecting rod can extend and rotate after being stressed, and rotate along with the operation structure;

as shown in fig. 4, the structure of the holding structure is schematically illustrated; the holding structure comprises: a grip handle case 41 having a head end connected to the connecting rod case and the handle connecting rod 322 inserted therein; a jaw ejection switch button 42 and a motor switch button 43 which are embedded on the handle shell 41 and used for controlling the upper tong head and the lower tong head to be pushed forwards; a jaw ejection traction structure which is arranged in the handle shell 41 and connected with the jaw ejection switch button 42, and a handle connecting rod 322 which is inserted into the holding handle shell and is used for pushing the upper tong head and the lower tong head forwards; the power supply device (not labeled in the figure) arranged in the holding handle shell 41 is connected with the motor switch button 43, is connected with the motor in the operation structure through a lead penetrating through the inner part of the connecting rod shell, and is used for supplying power to the motor through an external power supply.

Based on the instrument knife device for transversely splitting and cutting the costal cartilage, when the target costal cartilage is clamped, the jaw is pressed to eject the switch button, the jaw formed by the upper tong head and the lower tong head is extended forwards, the upper tong head and the lower tong head are stressed by upward and downward forces through the compression of the bone surface, the upper tong body and the lower tong body move longitudinally along the fixed shaft, and the jaw is opened to allow the costal cartilage to enter the operation space; when a motor switch button is started, the jaw ejection switch button is released, and the button saw blade can cut until the thickness of costal cartilage to be cut is reached; the operation structure is moved transversely, the saw blade is split transversely along the current position of the costal cartilage, when the width and the direction of the costal cartilage are changed, the height of the upper and lower forceps bodies can be automatically adjusted by the forceps heads to adapt to the change, and the angle of the forceps heads is adjusted by the elastic connecting rods on the connection structure to adapt to the change of the direction; and after a section of costal cartilage is cut, pressing the jaw to eject a switch button, and then longitudinally moving the clamp head to remove the clamp head from the costal cartilage to obtain the required costal cartilage sheet.

After the required costal cartilage amount is intercepted through the device, the remaining costal cartilage can be ensured to form a complete thoracic cavity contour, the protection function of the costal cartilage on internal organs is ensured, and the device has important significance on clinical operation and postoperative patient recovery.

Optionally, as shown in fig. 4, the jaw pop-up pulling structure includes: a fixing block 441 fixed on the inner wall of the grip handle housing 41 and disposed opposite to the jaw ejection switch button 42; a spring 442, one end of which is connected to the fixing block 441 and the other end of which is connected to the jaw ejecting switch button 42, wherein at this time, since the inner wall of the grip handle housing 41 is disposed opposite to the jaw ejecting switch button 42, the moving direction of the spring 442 is perpendicular to the central axis of the grip handle housing, and when the switch button is pressed, the spring generates a vertical elastic force; a link 443 having one end connected to the jaw eject switch button 42 and one end connected to the end of the inserted handle link 322, wherein when the jaw eject switch button 42 is pressed, the spring generates a vertical elastic force, and the link 443 converts the vertical force into a lateral displacement to push the upper and lower bits forward.

Optionally, the power supply device is connected with an external power supply through the bottom end of the handle.

Optionally, as shown in fig. 5, the upper clamp body includes: an upper clamp shell 51 and an upper telescopic rod 52 which is arranged in the upper clamp shell 51 and can move longitudinally and transversely on the upper clamp shell 51; the head end of the upper telescopic rod 52 is provided with the upper tong head 53, and the bottom end of the upper telescopic rod is connected with the movable connecting shaft 54; for the transverse movement of the upper telescopic rod 52, when the jaw ejection switch button is pressed or released, the upper telescopic rod 52 can perform the transverse movement forwards and backwards, so that the upper tong head 53 connected with the upper telescopic rod can perform the corresponding transverse movement; for the longitudinal movement of the upper telescopic rod 52, the upper forceps head is forced upwards by the bone surface, and the upper telescopic rod 52 is forced upwards, so that the longitudinal movement is performed, and the upper forceps body is driven to perform the longitudinal movement, so that the upper forceps head 53 and the upper forceps body can be adjusted correspondingly based on the size of the target costal cartilage.

The lower clamp body includes: a lower caliper housing 55 and a lower telescopic rod 56 which is arranged in the lower caliper housing 55 and can move longitudinally and transversely in the lower caliper housing 55; wherein the head end of the lower telescopic rod 56 is provided with the lower tong head 57, and the bottom end thereof is connected with the movable connecting shaft 54; with respect to the lateral movement of the lower telescopic rod 56, when the jaw eject switch button is pressed or released, the lower telescopic rod 56 is moved laterally forward and backward, and thus the lower jaw 57 connected thereto is also moved laterally accordingly.

Alternatively, as shown in fig. 5, the upper and lower bits 53 and 57 form an inverted V-shaped jaw. When the costal cartilage is clamped, the switch on the handle is pressed, the jaw is extended forwards, the V-shaped surface is stressed by the bone surface, the upper and lower jaw bodies move longitudinally along the movable connecting shaft, and the jaw is opened to allow the costal cartilage to enter the operating space.

Optionally, as shown in fig. 5, a spring 58 is disposed in the movable connecting shaft, and two ends of the spring 58 are respectively connected to the bottom end of the upper telescopic rod 52 and the bottom end of the lower telescopic rod 56. The addition of the spring can make the longitudinal mobility of the upper telescopic rod 52 and the lower telescopic rod 56 stronger, and increase the adaptability to the target costal cartilage.

Alternatively, as shown in fig. 5, the saw blade 59 is disposed longitudinally at the center of the lateral width of the operating space. When the operating structure completely wraps the costal cartilage, the saw blade 59 is positioned in the middle part of the costal cartilage, the saw blade can cut until the jaw is consistent with the thickness of the costal cartilage, and then the saw blade 59 can be transversely split along the middle position of the costal cartilage by transversely moving the operating structure.

Optionally, one end of the saw blade 59 is connected to an upper support frame disposed on the upper caliper housing 51, and the other end is connected to a lower support frame disposed on the upper caliper housing 55; the saw blade 59 is exposed or hidden along with the movement of the upper and lower forceps bodies, so that the function of cutting costal cartilage is satisfied and the damage of the saw blade to other parts is avoided.

Alternatively, as shown in fig. 5, the motor 510 is located within the upper caliper housing 51.

Optionally, as shown in fig. 6, one end of the connecting rod housing is tightly fitted with the head end of the grip handle housing through a screw thread. The other end of the connecting rod shell is tightly matched with the lower clamp body through a screw.

Alternatively, as shown in fig. 5, the connecting rod housing 31 is screwed to the lower caliper housing 55 through a U-shaped matching member 100 integrated therewith, so that the operating end connecting rod 322 is connected to a movable connecting shaft 54 provided at the upper end of the lower caliper housing. Preferably, as shown in fig. 7, the U-shaped matching piece 71 is semicircular, wraps a half of the radian of the connecting rod housing, and is distributed with threaded holes for mounting screws.

Optionally, the shape and size of the upper caliper housing are the same as those of the lower caliper housing, the shape and size of the upper caliper head 23 are the same as those of the lower caliper head 24, and the shape and size of the upper telescopic rod 52 are the same as those of the lower telescopic rod.

Alternatively, as shown in fig. 3, the elastic connecting rod 323 is a flexible soft connecting tube made of an elastic connecting material. The flexible connection is in a telescopic and bendable fold shape, and is in a contraction state without stress; when the operation structure moves or rotates, the connection structure is stressed and then extends and rotates to rotate along with the operation structure.

To better explain the instrument blade device for laterally cleaving and cutting costal cartilage, the following specific embodiments are provided.

Example 1: a costal cartilage transverse splitting and cutting device.

The costal cartilage transverse splitting and cutting device comprises a holding part, a connecting part and an operating part;

the holding part comprises a holding handle, a cutter switch, a jaw ejection switch and a power supply device; the cutting machine switch and the jaw ejection switch are embedded in and held by the handle, the power supply device is connected with an external power supply through the bottom end of the handle, the cutting machine switch is connected in series inside the power supply device and is connected to a cutting machine motor in the operating part through an internal channel of the connecting part; the jaw ejecting switch consists of a fixing block, a spring, a switch button and a connecting rod device, wherein the fixing block is fixed on the inner wall of the handle, one end of the spring is connected to the fixing block, the other end of the spring is connected with the switch button, and after the switch button is pressed, the vertical force is converted into transverse displacement through the connecting rod mechanism, so that the jaw at the front end of the device is pushed forwards.

The connecting part comprises a handle shell, a handle connecting rod arranged in the handle shell, a connecting hose and an operating end connecting rod; handle casing one end passes through screw-thread fit and handle portion cooperation, and the other end of handle casing passes through the screw and closely cooperates with operation end lower part, and handle connecting rod and operation end connecting rod mid portion are by the flexible coupling pipe that plays connecting material and constitute, and the operation end connecting rod passes through bolted connection by the casing of fixing below U-shaped matching surface and the operation portion integrative with the pole.

The operating part comprises a binding clip, an upper binding clip body, a lower binding clip body, a telescopic rod, a fixed shaft, a motor, a saw blade and the like; the clamp head is designed into a double-sided inverted V shape; when the costal cartilage is clamped, a switch on the handle is pressed, the jaw is stretched forwards, the V-shaped surface is pressed by the bone surface, the upper jaw body moves longitudinally along the fixed shaft, and the jaw is opened to allow the costal cartilage to enter the operation part; when the switch of the cutting machine is started, the jaw ejection switch is released, and the saw blade can cut until the thickness of the jaw is consistent with that of the costal cartilage; the operation part completely wraps the costal cartilage, and the saw blade is positioned at the middle part of the costal cartilage; the operation part is moved transversely, the forceps heads are split transversely along the middle positions of costal cartilages, when the width and the direction of the costal cartilages change, the forceps heads can automatically adjust the heights of the upper forceps body and the lower forceps body to adapt to the change, and the angles of the forceps heads are adjusted according to the hoses on the connection part to adapt to the change of the direction; after cutting off a section of costal cartilage of length, the doctor pops out the switch through pressing the jaw, and the binding clip is vertically removed again, and like the same, through inside reverse V-arrangement jaw, the binding clip is removed from costal cartilage, obtains required costal cartilage piece.

Based on the embodiment, the front and rear diameters and the upper and lower heights of the jaw can be adjusted through the button of the holding part in the operation, so that the costal cartilage can be fixed in the device more quickly and more conveniently, then the scroll saw is started to longitudinally cut the costal cartilage to the middle position, the jaw completely wraps the costal cartilage, and then the operation part is moved transversely to cut a costal cartilage section with a certain length; and after the target position is reached, adjusting the front-back diameter and the upper-lower height of the jaw again, longitudinally cutting the costal cartilage, withdrawing the device, and taking out the cut costal cartilage.

The device can effectually solve the problem of cutting out costal cartilage difficulty under laparoscopic surgery, avoids injuring soft tissues such as blood vessel and pleura around, and transversely splits the back, cuts out the costal cartilage of half thickness, acquires under the prerequisite of required costal cartilage again, guarantees the integrality of thorax.

To sum up, the utility model is used for transversely split and cut costal cartilage's apparatus sword device cuts costal cartilage and transversely splits through its operation structure, connection structure who sets up and the structure of gripping, solves the problem of cutting the costal cartilage difficulty under laparoscopic surgery, avoids blood vessel and pleural etc. soft tissue around the damage, and transversely splits the back, can cut the costal cartilage of arbitrary thickness, under the prerequisite that acquires required costal cartilage, still guarantees the integrality of thorax. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. An instrument blade device for laterally cleaving and cutting costal cartilage, comprising: an operation structure, a connecting structure and a holding structure;

wherein the operation structure comprises:

a forceps body structure which forms an operation space for accommodating the target costal cartilage; wherein, pincers body structure includes: the upper tong body and the lower tong body can move longitudinally, the upper tong head is connected with the upper tong body and can move, and the lower tong head is connected with the lower tong body and can move; the upper clamp body is connected with the bottom end of the lower clamp body through a movable connecting shaft which is longitudinally arranged, so that the upper clamp body can longitudinally move along the movable connecting shaft;

the saw blade is arranged in the operation space, and two ends of the saw blade are respectively connected with the upper forceps body and the lower forceps body, so that the target costal cartilage can be cut and transversely split in the operation space;

a motor connected with the saw blade;

the connection structure includes:

one end of the connecting rod shell is connected with the holding structure, and the other end of the connecting rod shell is connected with the operating structure;

the connecting rod is arranged in the connecting rod shell; wherein, the connecting rod includes: an operating end connecting rod connected with the movable connecting shaft, a handle connecting rod and an elastic connecting rod connected between the handle connecting rod and the operating end connecting rod;

the structure of gripping includes:

the head end of the holding handle shell is connected with the connecting rod shell, and the handle connecting rod is inserted into the holding handle shell;

a jaw ejection switch button and a motor switch button embedded on the handle shell;

the jaw ejecting traction structure is arranged in the handle shell and connected with the jaw ejecting switch button, and the handle connecting rod is connected with the handle shell and inserted into the handle shell and used for pushing the upper tong head and the lower tong head forwards;

the power supply device is arranged in the holding handle shell, is connected with the motor switch button, is connected with the motor in the operation structure through a lead penetrating through the inner part of the connecting rod shell, and is used for supplying power to the motor through an external power supply.

2. The instrument knife device for laterally cleaving and cutting costal cartilage of claim 1, wherein the jaw ejection pull structure comprises:

the fixed block is fixed on the inner wall of the shell of the holding handle and is arranged opposite to the jaw popping switch button;

one end of the spring is connected with the fixed block, and the other end of the spring is connected with the jaw ejection switch button and used for generating vertical elastic force when the switch button is pressed;

and one end of the connecting rod is connected with the jaw ejection switch button, and the other end of the connecting rod is connected with the end part of the handle connecting rod and is used for converting vertical force into transverse displacement so as to push the upper tong head and the lower tong head forwards.

3. The instrument knife device for laterally cleaving and cutting costal cartilage of claim 1, wherein the upper jaw body comprises: the upper clamp comprises an upper clamp shell and an upper telescopic rod which is arranged in the upper clamp shell and can move longitudinally and transversely in the upper clamp shell; the head end of the upper telescopic rod is provided with the upper tong head, and the bottom end of the upper telescopic rod is connected with the movable connecting shaft; the lower caliper body includes: the lower clamp comprises a lower clamp shell and a lower telescopic rod which is arranged in the lower clamp shell and can move longitudinally and transversely in the lower clamp shell; the head end of the lower telescopic rod is provided with the lower tong head, and the bottom end of the lower telescopic rod is connected with the movable connecting shaft.

4. The apparatus knife device for laterally cleaving and cutting a costal cartilage of claim 3, wherein a spring is disposed inside the movable connecting shaft, and two ends of the spring are connected to the bottom end of the upper telescopic rod and the bottom end of the lower telescopic rod, respectively.

5. The instrumentation knife device of claim 1, wherein said saw blade is longitudinally disposed at a widthwise central location of said operative space.

6. The apparatus knife device for laterally cleaving and cutting costal cartilage of claim 1, wherein the upper and lower jaws form an inverted V-shaped jaw.

7. The apparatus knife device for laterally cleaving and cutting costal cartilage of claim 1, wherein one end of the connecting rod housing is threadably engaged with the head end of the grip handle housing, and the other end of the connecting rod housing is engaged with the lower jaw body by a screw.

8. The apparatus knife device for laterally cleaving and cutting costal cartilage of claim 7, wherein the connecting rod housing is screwed to the lower jaw body by a U-shaped mating member integrated therewith for connecting the operating end connecting rod to a movable connecting shaft provided at an upper end of the lower jaw body.

9. The instrumented knife device of claim 1, wherein the flexible connecting rod is a flexible connecting tube made of a flexible connecting material.

10. The instrumentation knife device for laterally cleaving and cutting costal cartilage of claim 1 wherein the power supply device is connected to an external power source through a bottom end of the handle.

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