CN213993707U - Instrument handle and surgical operation instrument - Google Patents

Abstract

The utility model provides an instrument handle, forefinger supporting part, push-type broach handle and clamp handle from the top down set gradually, make in the operation, the user grips the instrument handle of this surgical instruments, tiger's mouth and depressed part laminating, when not triggering the push-type broach handle, the forefinger supports in the forefinger supporting part, go to trigger the clamp handle back with middle finger and ring finger at least, remove the forefinger downwards again and go to trigger the push-type broach handle, agree with ergonomic principle, make user's hand smooth and easy, convenient to the operation of instrument handle. The structure setting of clamp handle, push-type broach handle, depressed part, forefinger supporting part among this apparatus handle accords with ergonomic principle, can realize simple and easy one-hand operation, and this surgical operation apparatus's use makes the operation safer, convenient, accurate, high-efficient, practices thrift operation time, improves the operation success rate.

Description

Instrument handle and surgical operation instrument

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to an apparatus handle and surgical operation apparatus.

Background

With the development of medical technology, minimally invasive surgery has become popular, laparoscopic surgery is a newly developed minimally invasive method and is also an inevitable trend for the development of future surgical methods; a surgical instrument with convenient, safe, multifunctional and high efficiency is becoming more and more important in laparoscopic surgery and gynecological surgery.

In the surgical treatment of biological tissue, several working steps are carried out with a surgical instrument using only one instrument, in particular, by first grasping the tissue with the aid of the jaws of the surgical instrument, then coagulating the tissue with the aid of electrodes arranged in the region of the jaws, which electrodes are insulated from one another, and, after the tissue has been coagulated, moving a separating structure through the coagulated tissue between the electrodes in order to cut the tissue. Existing US20150005760A1 discloses an electrosurgical instrument, which comprises a clamp handle, a cutting handle, a coagulation button and a cutting button, wherein when the electrosurgical instrument is used, a forefinger needs to control the coagulation button and the cutting button, or the forefinger and a middle finger respectively control the coagulation button and the cutting button, and a ring finger and a little finger buckle the clamp handle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an apparatus handle and surgical operation apparatus solves the technical defect that above-mentioned prior art exists, and the structure setting of clamp handle, broach handle, depressed part, forefinger supporting part accords with the ergonomic principle among this apparatus handle, can realize simple and easy one-hand operation, and this surgical operation apparatus's use makes the operation safer, convenient, accurate, high-efficient, practices thrift operating time, improves the operation success rate.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an apparatus handle, its includes clamp handle, push-type broach handle and support handle, the push-type broach handle with the clamp handle rotates to be connected the front side portion of support handle, the push-type broach handle sets up the top position of clamp handle, the back lateral part of support handle is equipped with the depressed part that agrees with palm tiger's mouth, the support handle still is equipped with forefinger supporting part, forefinger supporting part is located the top position of push-type broach handle.

Further, the supporting handle is further provided with a thumb supporting part, the thumb supporting part is located above the push broach handle, and the thumb supporting part is connected with the concave part.

Further, the index finger support portion is provided at a front side portion of the support handle, and the thumb support portion is provided at a side portion adjacent to the front side portion of the support handle.

Further, at least a portion of the index finger support portion and the thumb support portion are disposed on opposite sides of the support handle.

Further, at least a part of the index finger support part is provided as a groove depressed from the surface of the support handle, the groove is connected with the depressed part, and the groove accommodates the index finger.

Further, the thumb support is provided as a recess recessed from a surface of the support handle, the recess accommodating a thumb.

Furthermore, the bottom of the clamp handle is provided with a little finger supporting part.

Further, the little finger support part is bent.

Further, the clamp handle is provided with an unlocking part which limits the rotation of the push-type broach handle, and after the clamp handle is triggered, the limitation of the unlocking part on the push-type broach handle is released.

Further, the unlocking portion is provided as an upper edge of the clamp handle, which restricts a lower edge of the push-type broach handle.

A surgical instrument comprising the instrument handle of any one of the above.

The utility model has the advantages that:

the utility model provides an instrument handle, forefinger supporting part, push-type broach handle and clamp handle from the top down position setting, make in the operation, the user grips the instrument handle of this surgical instruments, tiger's mouth and depressed part laminating, when not triggering the push-type broach handle, the forefinger supports in the forefinger supporting part, go to trigger the clamp handle back with middle finger and ring finger at least, remove the forefinger downwards again and go to trigger the push-type broach handle, agree with ergonomic principle, make user's hand smooth and easy, convenient to the operation of instrument handle. The structure setting of clamp handle, push-type broach handle, depressed part, forefinger supporting part among this apparatus handle accords with ergonomic principle, can realize simple and easy one-hand operation, and this surgical operation apparatus's use makes the operation safer, convenient, accurate, high-efficient, practices thrift operation time, improves the operation success rate.

Drawings

FIG. 1 is a schematic view of the entire configuration of the surgical instrument of the present embodiment;

FIG. 2 is a schematic view of the surgical instrument of this embodiment from another perspective;

FIG. 3 is a schematic view of the internal structure of the surgical instrument of the present embodiment;

FIG. 4 is a schematic view showing an internal structure of a modified example of the surgical instrument of the present embodiment;

FIG. 5 is a cross-sectional view of the surgical instrument clamp assembly of the present embodiment;

FIG. 6 is a cross-sectional view of the surgical instrument support handle of the present embodiment;

FIG. 7 is a schematic view of the electrocoagulated tissue of the surgical instrument of the present embodiment;

FIG. 8 is an enlarged view at A of FIG. 7;

FIG. 9 is a schematic view of the surgical instrument of the present embodiment electrically cutting tissue;

fig. 10 is an enlarged view of fig. 9 at B.

In the figure, 11-a first clamp, 111-a clamp section, 112-a connection section, 1121-a limiting part, 113-an insulating sleeve, 12-a second clamp, 121-a clamp section, 122-a connection section, 1221-a limiting part, 123-an insulating sleeve, 13-a first deformation strip, 14-a second deformation strip, 15-a clamp reset spring, 16-a clamp slider rotating sleeve, 17-a clamp slider, 18-a connecting rod, 21-a push knife, 22-a connecting rod, 221-an L tail, 23-a push knife reset spring, 24-a push knife slider, 241-a trigger boss, 25-a push knife conducting block, 31-a clamp handle, 310-a little finger supporting part, 311-an unlocking bulge, 312-an upper edge, 313-a rotating shaft connecting block, 41-a push knife handle, 411-a lower edge, 412-a push knife slider rotating block, 50-a change-over switch sensor, 51-a switch pedal, 60-a through supporting pipe, 61-an insulating guide sleeve, 62-an insulating protective sleeve, 62-a second clamp, a clamp section, 122-a clamp section, a 122-a connecting section, a third clamping section, a fourth section, a fifth section, a sixth, 70-support handle, 71-concave part, 72-forefinger support part, 73-thumb support part, 80-knob, 100-tissue

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 10, fig. 1 is a schematic view showing an overall configuration of a surgical instrument of the present embodiment, fig. 2 is a schematic view showing an overall configuration of another view of the surgical instrument of the present embodiment, fig. 3 is a schematic view showing an internal configuration of the surgical instrument of the present embodiment, fig. 4 is a schematic view showing an internal configuration of a modification of the surgical instrument of the present embodiment, fig. 5 is a sectional view of a clamp assembly of the surgical instrument of the present embodiment, fig. 6 is a sectional view of a support handle of the surgical instrument of the present embodiment, fig. 7 is a schematic view showing electrocoagulated tissue of the surgical instrument of the present embodiment, fig. 8 is an enlarged view of fig. 7 a, fig. 9 is a schematic view showing an electrically cut tissue of the surgical instrument of the present embodiment, and fig. 10 is an enlarged view of fig. 9B.

The utility model provides an apparatus handle and surgical operation apparatus belongs to the medical instrument field, and the structure setting of clamp handle, push-type broach handle, depressed part, forefinger supporting part accords with the ergonomic principle among this apparatus handle, can realize simple and easy one-hand operation, and this surgical operation apparatus's use makes the operation safer, convenient, accurate, high-efficient, practices thrift operating time, improves the operation success rate.

The present embodiment provides a surgical instrument comprising a jaw assembly, a pusher assembly, a jaw handle assembly, a pusher handle assembly, and a switch assembly, wherein, referring specifically to fig. 1-10, the jaw assembly comprises a first jaw 11 and a second jaw 12, and tissue 100 is clamped by the first jaw 11 and the second jaw 12; the pusher assembly includes a pusher 21 for electrically cutting tissue 100; the clamp handle assembly comprises a clamp handle 31 and a clamp driving assembly, the clamp driving assembly is respectively connected with the clamp assembly and the clamp handle 31, and when the clamp handle 31 is triggered or released, the clamp assembly is driven to clamp the tissue 100 or release the tissue 100; the push broach handle assembly comprises a push broach handle 41 and a push broach driving assembly, the push broach driving assembly is respectively connected with the push broach assembly and the push broach handle 41, when the push broach handle 41 is triggered or released, the push broach 21 is driven to move in a reciprocating manner, and the change-over switch assembly is communicated with external energy equipment (electrocoagulation energy equipment) to receive electrocoagulation energy.

In this embodiment, the switch assembly is preferably a switch sensor 50, the clamp assembly and the push-knife assembly are both electrically connected to the switch sensor 50, the first clamp 11 and the second clamp 12 are positive and negative, respectively, when the clamp handle 31 is triggered and the switch sensor 50 is in communication with an external energy device, the surgical instrument receives electrocoagulation energy to electrocoagulation the tissue 100; when the push-type scalpel handle 41 is triggered again, the push-type scalpel driving assembly triggers the switch pedal 51 of the switch sensor 50 to realize the switching of the current loop, at this time, the first forceps 11 and the second forceps 12 are both negative electrodes, the push-type scalpel 21 is positive electrode, and the surgical instrument continues to receive electrocoagulation energy to electrically cut the electrocoagulated tissue 100.

In this embodiment, referring specifically to fig. 1-3, the surgical instrument further includes a through support tube 60 and a support handle 70, the forceps assembly and the push-broach assembly are disposed through the through support tube 60, and the push-broach 21 is located between the first forceps 11 and the second forceps 12 and is spaced apart from each other and insulated from each other; the supporting handle 70 is connected to one end of the through supporting tube 60, the transfer switch sensor 50, the clamp driving component and the push-type broach driving component are all installed in the inner cavity of the supporting handle 70, the clamp handle 31 and the push-type broach handle 41 are rotatably connected to one side (front side) of the supporting handle 70 facing the through supporting tube 60 through rotating shafts, and the push-type broach handle 41 is located above the clamp handle 31, so that the manual triggering operation is convenient.

In this embodiment, and with particular reference to fig. 1-3, the side (posterior) of the support handle 70 distal from the through support tube 60 is provided with a depression 71, and when the surgical instrument is in use, the depression 71 engages the tiger's mouth of the hand; during specific operation, the palm holds the supporting handle 70, the forefinger triggers the push broach handle 41, the middle finger, the ring finger and the little finger are aligned and trigger the clamp handle 31, the jaw of the hand is attached to the concave part 71, and the clamp handle 31, the push broach handle 41 and the concave part 71 are reasonably arranged, so that the ergonomic principle is met, simple one-hand operation can be realized, and the operation efficiency is improved.

In the present embodiment, referring to fig. 1 and 2 in particular, the supporting handle 70 is provided with an index finger supporting portion 72, the index finger supporting portion 72 is located at a position above the handle 41 of the push broach, preferably, the index finger supporting portion 72 is provided as a concave groove recessed from the surface of the supporting handle 70 for accommodating the index finger, further, the concave groove matches the shape of the index finger and is connected with the concave portion 71 in a matching manner; further, the supporting handle 70 is further provided with a thumb supporting portion 73, the thumb supporting portion 73 is located above the handle 41 and is connected with the recessed portion 71 in a matching manner, preferably, the thumb supporting portion 73 is configured as a recess recessed from the surface of the supporting handle 70 for accommodating a thumb, further, the recess matches the shape of the thumb, as shown in the figure, the thumb supporting portion 73 and the forefinger supporting portion 72 are respectively arranged on two opposite sides of the supporting handle 70, in the specific operation, a palm holds the supporting handle 70, the thumb is accommodated in the thumb supporting portion 73, the middle finger, the ring finger and the little finger are aligned and trigger the clamp handle 31, the forefinger can trigger the handle 41, when the forefinger does not trigger the handle 41, the forefinger can be accommodated in the thumb supporting portion 72 first, the tiger mouth of the hand is engaged with the recessed portion 71, after triggering the clamp handle 31, the forefinger moves downward to trigger the handle 41, the reasonable arrangement of the forefinger supporting part 72, the thumb supporting part 73, the clamp handle 31, the push-type broach handle 41 and the concave part 71 accords with the principle of human engineering, so that the operation effect is good, and the operation efficiency is further improved.

In some modifications, the index finger support part 72 is arranged at the front side part of the support handle 70, which is located right above the handle 41 of the push broach, and the index finger can be buckled on the index finger support part 72 arranged at the front side part in specific operation; further, as shown in fig. 2, the index finger support portion 72 is configured to include a button on the front side of the support handle 70 and a groove which is formed in the front side of the support handle 70 and is recessed from the surface of the support handle 70 to accommodate the index finger, and the groove is connected with the recessed portion 71 in a matching manner, so that the arrangement is suitable for users with index fingers of different lengths, and the operation is smoother. Specifically, when the handle 41 is not triggered by the forefinger, the body of the forefinger can be accommodated in the forefinger support portion 72, the free finger end of the forefinger is buckled with the buckling position, the jaw of the hand is jointed with the concave portion 71, and after the clamp handle 31 is triggered, the free finger end of the forefinger moves downwards to trigger the handle 41.

In addition, in this embodiment, referring to fig. 1 to 3 specifically, the bottom of the clamp handle 31 is provided with a little finger support portion 310, preferably, the little finger support portion 310 is curved as shown in the figures, the bottom of the clamp handle 31 is defined as being the bottom below the middle of the grip ring of the clamp handle 31, and the little finger support portion 310 is hooked by the little finger, so as to facilitate the use of the operator with thick fingers and improve the use effect.

In addition, in this embodiment, the clamp handle 31 is provided with an unlocking portion that restricts the rotation of the push-type broach handle 41, and when the clamp handle 31 is triggered, the restriction of the push-type broach handle 41 by the unlocking portion is released, thereby ensuring the order in which the push-type broach handle 41 can be triggered only by triggering the clamp handle 31 first.

Preferably, referring to fig. 3, the unlocking portion is provided as an unlocking protrusion 311, the unlocking protrusion 311 is clamped with the push-type broach handle 41 to limit the rotation of the push-type broach handle 41, when the clamp handle 31 is triggered, the clamp handle 31 rotates around the rotating shaft, the unlocking protrusion 311 is separated from the push-type broach handle 41, and the limit of the unlocking protrusion 311 on the push-type broach handle 41 is released; the restriction of the unlocking protrusion 311 to the handle 41 of the push-type broach ensures the sequence of electrocoagulation and cutting, and simultaneously prevents the push-type broach 21 from being pushed out randomly to cause wrong cutting and prevents the push-type broach 21 from being pushed out randomly to cause damage to the push-type broach 21.

In some modifications, referring to fig. 4, the unlocking portion is provided as an upper edge 312 of the clamp handle 31, the upper edge 312 is a small distance from a lower edge 411 of the push-type broach handle 41, and the upper edge 312 and the lower edge 411 of the push-type broach handle 41 interfere with each other to limit the rotation of the push-type broach handle 41, after the clamp handle 31 is triggered, the clamp handle 31 rotates around the rotation shaft, the upper edge 312 of the clamp handle 31 is far away from the lower edge 411 of the push-type broach handle 41 and no longer interferes with the lower edge 411 of the push-type broach handle 41, that is, the limitation of the push-type broach handle 41 by the upper edge 312 is released, and then the push-type broach handle 41 can be triggered; the arrangement of the limiting structure simplifies the structure of the push broach handle 41 and has ingenious design.

In the present embodiment, referring to fig. 5 in particular, the distance between the first forceps 11 and the second forceps 12 gradually decreases along the direction toward the through support tube, in the original state, the first forceps 11 and the second forceps 12 are in an open state, in the working state, that is, when the forceps handle 31 is triggered, the forceps assembly is driven to clamp the tissue 100, the clamping manner is active clamping, the clamping force can be properly grasped according to actual requirements, and the force magnitude is controlled, so as to improve the precision and stability of clamping the tissue 100.

In this embodiment, referring specifically to fig. 3-5, the clamping assembly further includes a first deformable strip 13 and a second deformable strip 14, the first clamp 11 is fixedly connected to the clamp driving assembly through the first deformable strip 13, the second clamp 12 is fixedly connected to the clamp driving assembly through the second deformable strip 14, and when the clamp handle 31 is triggered, the clamp driving assembly drives the first clamp 11 and the second clamp 12 to move toward the inside through the supporting tube 60, so as to clamp the tissue 100, thereby facilitating stable clamping of the tissue 100. Furthermore, the first deforming bar 13 and the second deforming bar 14 are connected at their tail portions to the changeover switch sensor 50 by electric cables, and the changeover switch sensor 50 is communicated with an external energy device by electric cables and a cable plug.

In this embodiment, referring to fig. 3-5 in particular, the first clamp 11 includes a clamp section 111 and a connecting section 112 connected to each other, and the second clamp 12 includes a clamp section 121 and a connecting section 122 connected to each other, the connecting section 112 and the connecting section 122 of the two clamps are connected to the first deforming strip 13 and the second deforming strip 14, respectively, two opposite surfaces of the clamp section 111 and the clamp section 121 of the two clamps are provided as serrated surfaces, and the serrated surfaces are configured to facilitate stable clamping of the tissue 100.

In this embodiment, referring to fig. 3 to 5 specifically, the connection section 112 of the first clamp 11 is provided with a limiting portion 1121 protruding outward, and the connection section 122 of the second clamp 12 is provided with a limiting portion 1221 protruding outward, a distance between the limiting portion 1121 and the limiting portion 1221 of the two is greater than an inner pipe diameter of the through support pipe 60, and the arrangement of the limiting portion 1121 and the limiting portion 1221 limits a degree of inward shrinkage movement of the first clamp 11 and the second clamp 12 in the through support pipe 60, so as to avoid excessive shrinkage.

In this embodiment, and with particular reference to fig. 5, the connecting section 112 of the first clamp 11 is wrapped by the insulating sleeve 113, and the connecting section 122 of the second clamp 12 is wrapped by the insulating sleeve 123, so as to ensure insulation between the push broach 21 and the hollow support tube 60.

Furthermore, the inner pipe wall surface of the end of the hollow support pipe 60 close to the first clamp 11 and the second clamp 12 is provided with an insulating guide sleeve 61, and the outer pipe wall of the hollow support pipe 60 is wrapped by an insulating protective sleeve 62, so as to ensure the insulation between the hollow support pipe 60 and the first clamp 11, the second clamp 12 and the push broach 21.

Specifically referring to fig. 3, 4 and 5, the clamp driving assembly includes a clamp linkage mechanism and a clamp return spring 15, the first deformation strip 13 and the second deformation strip 14 are both connected to one end of the clamp linkage mechanism, the other end of the clamp linkage mechanism is connected to the clamp handle 31, and the clamp return spring 15 is mounted in the inner cavity of the support handle 70 and abuts against the clamp linkage mechanism. Specifically, the clamp linkage mechanism comprises a clamp slider rotating sleeve 16, a clamp slider 17 and a connecting rod 18, a clamp handle 31 is rotatably connected to a supporting handle 70 through a rotating shaft connecting block 313, the clamp handle 31 is connected with the clamp slider 17 through the connecting rod 18, the clamp slider 17 is abutted against a clamp return spring 15, the clamp slider rotating sleeve 16 is fixedly connected with the clamp slider 17, and a first clamp 11 is fixedly connected with the clamp slider rotating sleeve 16 through a first deformation strip 13. When the clamp handle 31 is triggered, the connecting rod 18 drives the clamp slider 17 to move to compress the clamp return spring 15, the clamp slider 17 moves to drive the clamp slider rotating sleeve 16 to move so that the first clamp 11 and the second clamp 12 contract and clamp, and when the clamp handle 31 is released, the clamp linkage mechanism and the clamp assembly both reset.

Specifically referring to fig. 3, 4 and 6, the push-type broach assembly further includes a connecting rod 22, the push-type broach driving assembly includes a push-type broach return spring 23 and a push-type broach linkage mechanism, the push-type broach 21 is connected with one end of the push-type broach linkage mechanism through the connecting rod 22, the other end of the push-type broach linkage mechanism is connected with the push-type broach handle 41, the push-type broach return spring 23 is installed in the inner cavity of the supporting handle 70 and abuts against the push-type broach linkage mechanism, the push-type broach linkage mechanism is provided with a trigger portion, when the push-type broach handle 41 is triggered, the push-type broach linkage mechanism pushes the push-type broach 21 out from the through supporting tube 60 through the L tail 221 of the connecting rod 22 of the push-type broach assembly, and the trigger portion triggers the change-over switch sensor 50 to achieve the change-over of the current loop.

Specifically, the push broach linkage mechanism comprises a push broach sliding block 24 and a push broach conducting block 25, the push broach conducting block 25 is connected to the change-over switch sensor 50 through a cable, the push broach sliding block 24 is provided with a trigger boss 241, and the trigger boss 241 can trigger a switch pedal 51 arranged on the change-over switch sensor 50 to realize the change-over of a current loop; the L tail 221 of the connecting rod 22 of the push broach assembly is clamped between the push broach slide block 24 and the push broach conducting block 25 to form clearance fit, the push broach return spring 23 is installed in the inner cavity of the supporting handle 70 and is abutted against the push broach slide block 24, the push broach handle 41 is a lever structure with two ends related to a rotating shaft, one end is triggered by a user, the other end is set to be a push broach slide block rotating block 412, the push broach slide block rotating block 412 is connected with the push broach slide block 24 in a matched mode, when the push broach handle 41 is triggered, the push broach slide block rotating block 412 pushes the push broach slide block 24 to move and compress the push broach return spring 23 to push out the push broach 21, and when the push broach handle 41 is released, the push broach linkage mechanism and the push broach assembly are both reset.

In addition, referring to fig. 1-4 and 6, the hollow support tube 60 is fixedly connected to the knob 80, and through the limiting mechanism on the hollow support tube 60, an operator can rotate the knob 80 and drive the first clamp 11, the second clamp 12 and the push-type broach 21 to freely rotate within a range of ± 120 °, and the clamp assembly and the push-type broach assembly can be adjusted by rotating the knob 80 according to the position and angle of the target tissue to obtain an accurate angle for grasping, coagulation and cutting.

Example two:

the present embodiment provides a method for operating a surgical instrument according to the first embodiment, including the following steps:

s1: triggering the clamp handle 31, driving the first clamp 11 and the second clamp 12 to clamp the tissue 100 through the clamp driving assembly, and communicating the switch sensor 50 with an external energy device, so that the surgical instrument receives the electrocoagulation energy, wherein the first clamp 11 and the second clamp 12 are respectively a positive pole and a negative pole of a current loop to electrocoagulation the tissue 100;

s2: keeping the trigger state of the clamp handle 31 and the communication state of the change-over switch sensor 50 and the external energy equipment, triggering the push-broach handle 41, driving the push-broach 21 to push out the contact tissue 100 through the push-broach driving component, simultaneously triggering the change-over switch component by the push-broach driving component to realize the change-over of a current loop, at this moment, the surgical instrument continues to receive the electrocoagulation energy, the first clamp 11 and the second clamp 12 are both negative poles, the push-broach 21 is a positive pole, and the electrocoagulated tissue 100 is cut electrically;

s3: releasing the push broach handle 41, resetting the change-over switch assembly, the push broach assembly and the push broach driving assembly, separating the push broach 21 from the tissue 100, and stopping electric cutting;

s4: releasing the clamp handle 31, resetting the clamp assembly, and releasing the tissue 100 from the first and second clamps 11, 12.

Specifically, S1: an operator rotates backwards around a rotating shaft on a supporting handle 70 by buckling a clamp handle 31 (defined as that the clamp assembly is in front and the supporting handle 70 is in back), so that a connecting rod 18 is driven to enable a clamp sliding block 17 and a clamp sliding block rotating sleeve 16 to move backwards, the clamp sliding block 17 compresses a clamp return spring 15, a first clamp 11, a first deformation strip 13, a second clamp 12 and a second deformation strip 14 move backwards under the action of the clamp sliding block 17, when the outer surfaces of the first clamp 11 and the second clamp 12 are in contact with an insulating guide sleeve 61 and continue to move backwards, under the limiting action of the insulating guide sleeve 61 and a through supporting pipe 60, the first deformation strip 13 and the second deformation strip 14 generate elastic deformation, and the first clamp 11 and the second clamp 12 are folded towards the tooth surface direction and clamp a target tissue 100; the transfer switch sensor 50 is in communication with an external energy device such that the surgical instrument receives electrocoagulation energy, forming a current loop through the first jaw 11 (positive), the second jaw 12 (negative) and the clamped target tissue 100 of the jaw assembly, to achieve electrocoagulation of the target tissue 100.

S2: the trigger state of the clamp handle 31 and the state of the communication between the change-over switch sensor 50 and the external energy device are maintained, an operator drives the push broach slider rotating block 412 to rotate by buckling the push broach handle 41, the push broach slider rotating block 412 pushes the push broach conducting block 25, the push broach slider 24 and the push broach 21 to move forwards, and the push broach return spring 23 is compressed, so that the push broach 21 is communicated with the push broach conducting block 25, and meanwhile, the trigger boss 241 of the push broach slider 24 triggers the switch pedal 51 arranged on the change-over switch sensor 50 to trigger the change-over switch sensor 50; at this time, the current loop is changed, the first clamp 11 and the second clamp 12 are both negative electrodes, the push-type broach 21 is positive electrode, the current loop is formed, and the push-type broach 21 electrically cuts the target tissue 100 forward.

S3: the operator releases the push broach handle 41, the push broach return spring 23 is restored, the push broach conducting block 25, the push broach sliding block 24 and the push broach 21 are returned, the trigger boss 241 is separated from the switch pedal 51, the change-over switch sensor 50 is reset, the blood coagulation foot switch of the external energy equipment is released, the change-over switch sensor 50 is disconnected from the external energy equipment, and the electric cutting is completed.

S4: when the operator releases the clamp handle 31, the connecting rod 18 and the clamp return spring 15 are restored, the clamp slider 17 drives the first clamp 11, the first deformed strip 13, the second clamp 12 and the second deformed strip 14 to move forwards, the first deformed strip 13 and the second deformed strip 14 rebound, the first clamp 11 and the second clamp 12 are opened and reset, and the clamped tissue 100 is released.

The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the solutions should be covered in the scope of the claims of the present invention.

Claims (11)

1. An apparatus handle, its includes clamp handle, push-type broach handle and support handle, its characterized in that:

the push broach handle and the clamp handle are rotatably connected to the front side part of the support handle, the push broach handle is arranged above the clamp handle, and the rear side part of the support handle is provided with a concave part engaged with a palm tiger's mouth;

the support handle is further provided with an index finger support part, and the index finger support part is located above the push broach handle.

2. The instrument handle of claim 1, wherein: the supporting handle is further provided with a thumb supporting part, the thumb supporting part is located above the push broach handle, and the thumb supporting part is connected with the concave part.

3. The instrument handle of claim 2, wherein: the index finger support portion is disposed at a front side portion of the support handle, and the thumb support portion is disposed at a side portion adjacent to the front side portion of the support handle.

4. The instrument handle of claim 2, wherein: at least one part of the forefinger support portion and the thumb support portion are disposed on two opposite sides of the support handle.

5. The instrument handle of claim 4 wherein: at least one part of the index finger supporting part is arranged to be a groove sunken from the surface of the supporting handle, the groove is connected with the sunken part, and the groove accommodates the index finger.

6. The instrument handle of claim 5 wherein: the thumb support is provided as a recess recessed from a surface of the support handle, the recess receiving a thumb.

7. The instrument handle of any of claims 1-6, wherein: the bottom of the clamp handle is provided with a little finger supporting part.

8. The instrument handle of claim 7, wherein: the little finger supporting part is bent.

9. The instrument handle of claim 7, wherein: the clamp handle is provided with an unlocking part which limits the rotation of the push broach handle, and after the clamp handle is triggered, the limitation of the unlocking part on the push broach handle is released.

10. The instrument handle of claim 9, wherein: the unlocking portion is provided as an upper edge of the clamp handle that bounds a lower edge of the push-broach handle.

11. A surgical instrument, characterized by: the surgical instrument comprising an instrument handle according to any one of claims 1 to 10.

Images