CN209899520U

CN209899520U - Scalpel for surgical dissection

Info

Publication number: CN209899520U
Application number: CN201821734684.8U
Authority: CN
Inventors: 陈海瑞; 赵水晶; 杨学龙
Original assignee: Qujing Medical College
Current assignee: Qujing Medical College
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2020-01-07
Anticipated expiration: 2028-10-25

Abstract

The utility model discloses a surgical scalpel for surgical dissection, including handle of a knife and tool bit, handle of a knife one end has been seted up the spread groove, the spread groove rear portion has been seted up the spacing groove, install the tool changing frame in the spread groove, slidable mounting has the sliding sleeve in the spacing groove, the sliding sleeve inner is with tool changing frame fixed connection, the sliding sleeve is kept away from the one end fixedly connected with stopper of tool changing frame, the outer wall and the spacing inslot wall sliding contact of stopper, sliding sleeve inner wall threaded connection lead screw, the other end of lead screw runs through the sliding sleeve and extends to outside the handle of a knife and be connected with the knob, be provided with spacing snap ring on the outer wall of the handle of a knife near knob one end, spacing snap ring passes through the bolt and is connected; a locking mechanism is arranged between the knife handle and the knob. The utility model provides a surgical scalpel which can be replaced, is convenient to replace, has two functions and is light and practical.

Description

Scalpel for surgical dissection

Technical Field

The utility model relates to the technical field of medical equipment, specifically a surgical scalpel for dissection.

Background

When the medical dissection is performed, skin or soft tissue of an dissectate needs to be scratched by a scalpel, when hard objects such as bones and the like are encountered, the dissectate needs to be sawn by a saw, so that a cutting knife and a sawing knife are used, one knife handle of the existing scalpel can only be provided with one knife head, at least two scalpels need to be prepared, the dissection needs to be performed outdoors sometimes, and a plurality of scalpels are inconvenient to carry; and when one bit is dull, a new bit needs to be replaced, and the replacement operation is also troublesome. To this end we propose a scalpel for surgical dissection to solve the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a surgical scalpel for dissecting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a scalpel for surgical dissection comprises a scalpel handle and a scalpel head, wherein one end of the scalpel handle, which is provided with the scalpel head, is provided with a connecting groove, the rear part of the connecting groove is provided with a limiting groove, the limiting groove is communicated with the connecting groove, a knife replacing frame is arranged in the connecting groove, the scalpel head is arranged on the knife replacing frame, a sliding sleeve is arranged in the limiting groove in a sliding manner, the inner end of the sliding sleeve is fixedly connected with the knife replacing frame, one end of the sliding sleeve, which is far away from the knife replacing frame, is fixedly connected with a limiting block, the outer wall of the limiting block is in sliding contact with the inner wall of the limiting groove, the inner wall of the sliding sleeve is in threaded connection with a lead screw, the other end of the lead screw penetrates through the sliding sleeve and extends out of the scalpel handle to be; a locking mechanism is arranged between the knife handle and the knob;

the tool changing frame comprises a mounting plate, the mounting plate is slidably clamped in a connecting groove, the inner end of the mounting plate is fixedly connected with the inner end of a sliding sleeve, a mounting groove is formed in the mounting plate, a sliding clamping connecting plate is arranged in the mounting groove, a rotating shaft and a fixing shaft are fixedly mounted on the inner wall of the mounting groove, a rotating hole is formed in the connecting plate, the rotating shaft is rotatably sleeved in the rotating hole, a blocking piece is fixedly mounted at the outer end of the rotating shaft, a fixing hole is formed in the connecting plate at the two ends of the rotating hole, the fixing hole is slidably sleeved on the.

Furthermore, the locking mechanism comprises a first sliding groove, the first sliding groove is formed in the wall, close to one end of the knob, of the handle, a spring pin is installed in the first sliding groove, a stop groove is formed in the knob, a pin of the spring pin penetrates through the first sliding groove and is in sliding clamping connection in the stop groove, a ratchet which is meshed with the bottom surface of the pin of the spring pin is installed between the bottom surface of the pin and the stop groove, a second sliding groove is formed in the outer side of the first sliding groove, a shifting rod is in sliding clamping connection in the second sliding groove, and one end of the shifting rod is fixedly connected with the outer.

Further, the degree of depth of mounting groove and the thickness adaptation of connecting plate and tool bit, the length of pivot is the twice of fixed axle length, and fixed axle length and mounting groove degree of depth adaptation.

Furthermore, the inner wall of the knife handle at one end of the knife head is provided with a containing groove, and the part of the rotating shaft extending out of the connecting plate and the blocking piece are connected in the containing groove in a sliding and clamping manner.

Further, the limiting clamp ring is symmetrically provided with 2-3 groups on the outer wall of the cutter handle.

Furthermore, the stop groove is a circular ring mechanism, the second sliding groove is of an inverted L-shaped structure, and the tail end of the inverted L-shaped horizontal groove of the second sliding groove is provided with a hemispherical finger groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install cutter head or saw cutter head respectively at connecting plate both ends, when a tool bit with blunt or need change the cutter head into the saw cutter head, only need open locking mechanical system, rotate the knob, the knob drives the lead screw and rotates, the lead screw drives the sliding sleeve and slides, after the sliding sleeve released the mounting panel spread groove, the tool bit position was exchanged, the knob was again reversed, drive the tool changing frame through the sliding sleeve and slide into the spread groove, just accomplished the operation of changing the tool bit; the utility model discloses convenient operation, the quire is dual-purpose, light practical.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the tool changing holder of the present invention;

FIG. 3 is an enlarged structural view of the structure A in FIG. 1;

FIG. 4 is a right side view of the second chute of the present invention;

in the figure: 1 handle of a knife, 2 spread groove, 3 lead screws, 4 knobs, 5 sliding sleeves, 6 tool changing rests, 61 mounting plates, 62 mounting grooves, 63 connecting plates, 64 fixed holes, 65 fixed shafts, 66 rotating holes, 67 rotating shafts, 68 blocking pieces, 7 tool bits, 8 locking mechanisms, 81 first sliding grooves, 82 second sliding grooves, 83 deflector rods, 84 spring pins, 85 stop grooves, 86 ratchets, 9 limit grooves, 10 limit blocks, 11 accommodating grooves, 12 finger grooves, 13 limit snap rings, 131 clamping grooves, 132 flanges and 133 fixing rings.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a surgical scalpel for surgical dissection comprises a scalpel handle 1 and a scalpel head 7, wherein one end of the scalpel handle 1, which is provided with the scalpel head 7, is provided with a connecting groove 2, the rear part of the connecting groove 2 is provided with a limit groove 9, the limit groove 9 is communicated with the connecting groove 2, a knife changing frame 6 is arranged in the connecting groove 2, the scalpel head 7 is arranged on the knife changing frame 6, a sliding sleeve 5 is arranged in the limit groove 9 in a sliding way, the inner end of the sliding sleeve 5 is fixedly connected with the knife changing frame 6, one end of the sliding sleeve 5, which is far away from the knife changing frame 6, is fixedly connected with a limit block 10, the outer wall of the limit block 10 is in sliding contact with the inner wall of the limit groove 9, the inner wall of the sliding sleeve 5 is in threaded connection with a lead screw 3, the other end of the lead screw 3 extends out of the scalpel handle 1 through the sliding sleeve, a circle of clamping grooves 131 are formed in the outer wall of the knob 4, and the flange 132 is slidably mounted in the clamping grooves 131; a locking mechanism 8 is arranged between the knife handle 1 and the knob 4;

trade knife rest 6 includes mounting panel 61, mounting panel 61 slip joint is in spread groove 2, 5 the inner of mounting panel 61 inner fixed connection sliding sleeve, it has mounting groove 62 to open on mounting panel 61, slip joint connecting plate 63 in mounting groove 62, pivot 67 and a fixed axle 65 of mounting groove 62 inner wall fixed mounting, it has rotation hole 66 to open on the connecting plate 63, it cup joints pivot 67 to rotate hole 66 and rotate, pivot 67 outer end fixed mounting separation blade 68, it has fixed orifices 64 to rotate to open on the connecting plate 63 at hole 66 both ends, fixed orifices 64 slide and cup joint at fixed axle 65, tool bit 7 fixed mounting is at the both ends of connecting plate 63, tool bit 7 slip joint is in mounting groove 62.

The locking mechanism 8 comprises a first sliding groove 81, the first sliding groove 81 is arranged on the wall of one end, close to the knob 4, of the knife handle 1, a spring pin 84 is installed in the first sliding groove 81, a stopping groove 85 is formed in the knob 4, a pin of the spring pin 84 penetrates through the first sliding groove 81 and is in sliding clamping connection with the stopping groove 85, a ratchet 86 meshed with the stopping groove 85 is installed between the bottom surface of the pin of the spring pin 84 and the stopping groove 85, a second sliding groove 82 is formed in the outer side of the first sliding groove 81, a shifting rod 83 is in sliding clamping connection with the second sliding groove 82, and one end of the shifting rod 83 is fixedly connected with the outer wall of. When a tool is required to be changed, the spring pin 84 is pulled into the first sliding groove 81 through the shifting rod 83, the ratchet 86 is separated, the stop groove 85 is a circular ring mechanism, the knob 4 can rotate, the second sliding groove 82 is of an inverted L-shaped structure, the shifting rod 83 is rotated into an inverted L-shaped horizontal groove of the second sliding groove 81, the shifting rod 83 is fixed, the spring pin 84 is fixed in the first sliding groove 81, the knob 4 is convenient to rotate, and the hemispherical finger groove 12 is formed in the tail end of the inverted L-shaped horizontal groove of the second sliding groove 82, so that the shifting rod 83 is pulled out of the inverted L-shaped horizontal groove of the second sliding groove 82.

The depth of the mounting groove 62 is matched with the thickness of the connecting plate 63 and the cutter head 7, the length of the rotating shaft 67 is twice that of the fixing shaft 65, and the length of the fixing shaft 65 is matched with the depth of the mounting groove 62.

The inner wall of the knife handle 1 at one end for mounting the knife head 7 is provided with a receiving groove 11, and the part of the rotating shaft 67 extending out of the connecting plate 63 and the blocking piece 68 are slidably clamped in the receiving groove 11.

The limiting clamp ring 13 is symmetrically provided with 2-3 groups on the outer wall of the knife handle 1.

The stop groove 85 is a circular ring mechanism, the second sliding groove 82 is an inverted L-shaped structure, and the end of the inverted L-shaped horizontal groove of the second sliding groove 82 is provided with a hemispherical finger groove 12.

The working principle is as follows: when the utility model is used, the connecting plate 63 is provided with a cutter head or a sawing cutter head, when the cutter needs to be changed, the spring pin 84 is pulled into the first chute 81 through the deflector rod 83, the ratchets 86 are separated, the knob 4 can be rotated, the knob 4 is rotated, the screw rod 3 is driven to rotate by the knob 4, the sliding sleeve 5 is driven to slide by the screw rod 3, after the mounting plate 61 is pushed out of the connecting groove 2 by the sliding sleeve 5, the cutter head 7 is stirred to slide the connecting plate 63 to the outer end of the rotating shaft 67, the fixing hole 64 is separated from the fixing shaft 65, the coupling plate 63 is positioned outside the mounting groove 62, the coupling plate 63 is turned around by rotating, the position of the cutter head 7 is changed, the connecting plate 63 is slid into the mounting groove 62, the fixing hole 64 is sleeved on the fixing shaft 65, the knob 4 is rotated reversely, the sliding sleeve 5 drives the cutter changing frame 6 to slide into the connecting groove 2, after the tool is changed, the spring pin 84 is clamped into the stopping groove 85, and the ratchet teeth 86 are engaged to prevent the knob 4 from rotating by itself.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A scalpel for surgical dissection comprises a scalpel handle (1) and a scalpel head (7), and is characterized in that: one end of the knife handle (1) provided with the knife head (7) is provided with a connecting groove (2), the rear part of the connecting groove (2) is provided with a limiting groove (9), the limiting groove (9) is communicated with the connecting groove (2), a knife changing frame (6) is arranged in the connecting groove (2), the knife head (7) is arranged on the knife changing frame (6), a sliding sleeve (5) is arranged in the limiting groove (9) in a sliding way, the inner end of the sliding sleeve (5) is fixedly connected with the knife changing frame (6), one end of the sliding sleeve (5) far away from the knife changing frame (6) is fixedly connected with a limiting block (10), the outer wall of the limiting block (10) is in sliding contact with the inner wall of the limiting groove (9), the inner wall of the sliding sleeve (5) is in threaded connection with a screw rod (3), the other end of the screw rod (3) penetrates through the sliding sleeve (5) and, the upper part of the limiting snap ring (13) is provided with a fixing ring (133), the fixing ring (133) is connected with the outer wall of the knife handle (1) through a bolt, the bottom of the limiting snap ring (13) is provided with a flange (132), the outer wall of the knob (4) is provided with a circle of clamping grooves (131), and the flange (132) is slidably arranged in the clamping grooves (131); a locking mechanism (8) is arranged between the knife handle (1) and the knob (4);

trade knife rest (6) including mounting panel (61), mounting panel (61) slip joint is in spread groove (2), mounting panel (61) inner fixed connection sliding sleeve (5) inner, it has mounting groove (62) to open on mounting panel (61), slip joint connecting plate (63) in mounting groove (62), pivot (67) and a fixed axle (65) of mounting groove (62) inner wall fixed mounting, it has rotation hole (66) to open on connecting plate (63), it cup joints pivot (67) to rotate hole (66), pivot (67) outer end fixed mounting separation blade (68), it has fixed orifices (64) to open on connecting plate (63) at rotation hole (66) both ends, fixed orifices (64) slip cup joint at fixed axle (65), tool bit (7) fixed mounting is at the both ends of connecting plate (63), tool bit (7) slip joint is in mounting groove (62).

2. A surgical scalpel as defined in claim 1 wherein: locking mechanical system (8) include first spout (81), first spout (81) set up on handle of a knife (1) is close to the wall of knob (4) one end, install spring catch (84) in first spout (81), it has locking groove (85) to open on knob (4), the pin of spring catch (84) runs through first spout (81) and slip joint in locking groove (85), installation engaged with ratchet (86) between the pin bottom surface of spring catch (84) and locking groove (85), it has second spout (82) to open in first spout (81) outside, slip joint driving lever (83) in second spout (82), the outer wall of the one end fixed connection spring catch (84) pin of driving lever (83).

3. A surgical scalpel as defined in claim 1 wherein: the depth of the mounting groove (62) is matched with the thicknesses of the connecting plate (63) and the tool bit (7), the length of the rotating shaft (67) is twice that of the fixing shaft (65), and the length of the fixing shaft (65) is matched with the depth of the mounting groove (62).

4. A surgical scalpel as defined in claim 1 wherein: the inner wall of one end of the cutter handle (1) where the cutter head (7) is installed is provided with an accommodating groove (11), and the part of the rotating shaft (67) extending out of the connecting plate (63) and the blocking piece (68) are in sliding clamping connection in the accommodating groove (11).

5. A surgical scalpel as defined in claim 1 wherein: the limiting snap ring (13) is symmetrically provided with 2-3 groups on the outer wall of the knife handle (1).

6. A surgical scalpel as claimed in claim 2, in which: the stop groove (85) is a circular ring mechanism, the second sliding groove (82) is of an inverted L-shaped structure, and the tail end of the inverted L-shaped horizontal groove of the second sliding groove (82) is provided with a hemispherical finger groove (12).