CN210749416U

CN210749416U - Scalpel handle and scalpel

Info

Publication number: CN210749416U
Application number: CN201821158263.5U
Authority: CN
Inventors: 张昊; 谷惠子; 刘彩刚; 徐宏
Original assignee: Xu Qianshi
Current assignee: Xu Qianshi
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2020-06-16
Anticipated expiration: 2028-07-18

Abstract

The utility model discloses a surgical knife handle, including handle of a knife body, dwang, adjust knob and blade installed part, handle of a knife body and dwang are the tubular structure, and the surface of dwang is provided with the external screw thread, and handle of a knife body is inside to be offered on the axis with this dwang complex, have the internal screw thread passageway, and handle of a knife body rotates through the screw thread with the dwang and cup joints, and the one end of dwang is provided with the blade installed part that can be used to install the double knives piece, and the other end that the dwang is relative is provided with adjust knob, the adjustable dwang of rotatory adjust knob is at. Also discloses a scalpel comprising the scalpel handle. The utility model discloses can satisfy the skin incisal edge secondary repair process of postoperative incision cosmetic healing for the purpose, satisfy the pathological biopsy needs of outside skin simultaneously. The design that can adjust double blade cutting depth and width in a flexible way makes its easy control, can satisfy the operation needs at different positions to can avoid potential injuries such as sharp ware damage and pollution.

Description

Scalpel handle and scalpel

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a scalpel handle and scalpel.

Background

At present, although the use of an electric knife is popular in surgical operations, the electric knife has the damage of scalding to the skin and influences the healing of an incision after the operation, so that the traditional metal surgical knife blade is mainly used in skin incision operations. The most common instruments are a surgical knife handle capable of being repeatedly sterilized and disinfected and a disposable surgical knife blade, and the surgical knife handles and the surgical knife blades of various specifications are designed by adopting a unified joint part at present, namely, the surgical knife handles of different specifications can be randomly jointed with the surgical knife blades of different specifications for use.

With the increasing requirements of people on postoperative incision cosmetology, secondary excision and repair treatment are needed for skin incisal edges which are accidentally scalded and pulled ceaselessly in the operation process; in addition, in some tumor operations, it is often necessary to take pathological examination of the skin at the surgical incision to confirm the presence or absence of tumor cell infiltration. For this reason, surgeons often re-cut the skin completely along the original skin margin, and the new margin generally needs to be parallel to the original margin during this process, and once a large deviation occurs, it needs to be repaired, which is time-consuming and labor-consuming.

The traditional scalpel at present has some defects, for example, the length of a scalpel blade is fixed and invariable, and the scalpel blade is difficult to meet the surgical requirements of different parts; the cutting depth can not be adjusted, so that the cutting depth is difficult to control for the intern with unskilled technology, errors are easy to cause in the operation, the wound healing of a patient is influenced, and even serious medical accidents can be caused; the knife handle is small and hard, the hand feeling is not good, a doctor can feel sour hands often, and the knife handle is not suitable for long-time operation; in the operation process, the scalpel needs to be transferred from time to time, and the blade of the traditional scalpel is exposed outside, so that sharp injury is easy to occur, and potential injuries such as pollution and the like can be caused.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects of the prior art, the utility model provides a scalpel handle and scalpel, its concrete technical scheme as follows:

the utility model provides a surgical knife handle in the first aspect, including handle of a knife body, the dwang, adjust knob and blade installed part, handle of a knife body and dwang are the tubular structure, the surface of dwang is provided with the external screw thread, handle of a knife body is inside seted up on the axis with this dwang complex, internal screw thread passageway has, handle of a knife body rotates through the screw thread with the dwang and cup joints, the one end of dwang is provided with the blade installed part that can be used to install the double knives piece, the other end that the dwang is relative is provided with adjust knob, the adjustable dwang of rotatory adjust knob is at this internal length of handle. The scalpel handle is particularly suitable for being mounted and connected with a minimally invasive scalpel blade, and even the double blades can be directly accommodated in the tubular handle body due to the small size of the minimally invasive scalpel blade.

In a preferred embodiment, the scalpel handle is made of an engineering plastic, such as ABS. The engineering plastic has excellent mechanical performance, good corrosion resistance and good dimensional stability, and compared with a metal material, the surgical knife handle made of the engineering plastic is easier to process, high in production efficiency, low in cost, light in weight, high in specific strength and outstanding in friction reduction and wear resistance.

In a preferred embodiment, the handle body is externally provided with an anti-slip sleeve with a protrusion to improve the holding hand feeling of a user and prevent the handle body from slipping off in the use process, and the handle body can be made of silica gel or silicon rubber materials.

In a preferred embodiment, the knife handle body is further provided with a locking threaded hole for matching with a screw to lock the connection between the knife handle body and the rotating rod, so that the stability of the scalpel can be further improved, and the situations of thread slipping and the like in the operation process are avoided.

In a preferred embodiment, one end of the rotating rod where the blade mounting part is located is provided with a groove, so that the blade mounting part can be clamped in the groove and move along the groove, and a spring part is arranged between the blade mounting parts and is detachably connected through a fastener penetrating through the spring part.

Preferably, the fastening member is a bolt and a nut, the distance between the blade mounting members can be adjusted by screwing the nut, and the distance between the blades can be adjusted after the scalpel handle is mounted and connected with the double blades.

The utility model discloses another kind of scalpel handle is provided in the second aspect, including handle of a knife body, the dwang, adjust knob and blade installed part, handle of a knife body includes handle of a knife head and handle of a knife pole portion, smooth connection between handle of a knife head and the handle of a knife pole portion, handle of a knife pole portion and dwang are the tubular structure, the surface of dwang is provided with the external screw thread, handle of a knife pole portion inside on the axis seted up with the dwang complex, the internal screw thread passageway has, handle of a knife pole portion rotates through the screw with the dwang and cup joints, the one end of dwang is provided with the blade installed part that can be used to install the double blade, the other end that the dwang. Such as

The scalpel handle is particularly suitable for being installed and connected with a common scalpel blade, such as a small circular blade, a middle circular blade, a large circular blade, a sharp blade, a sickle-shaped blade and the like. The handle head can accommodate the double blades that retract back into the handle body.

The utility model provides a scalpel in the third aspect, including scalpel blade and scalpel handle, wherein scalpel blade is double-bladed, and scalpel handle does the utility model discloses the scalpel handle that provides in the first aspect. The scalpel is configured such that, when the adjustment knob is rotated, the scalpel blade can adjust the exposed length of the scalpel blade, i.e., the depth of cut of the scalpel blade, over a range extending fully into the scalpel handle.

In a preferred embodiment, the surgical blade is provided with a graduated scale to assist the user in accurately grasping the cut length and/or depth of the wound.

In a preferred embodiment, the surgical blade is coated with a zirconia ceramic coating on the surface thereof. The conventional surgical knife blade is generally made of a metal material such as stainless steel, and a sawtooth structure appears on the cutting edge of the stainless steel surgical knife during the processing process, so that scars are easily formed after the operation. The surgical blade coated with the zirconia ceramic coating has the advantages of tidy incision, small tissue injury, sharpness and the like, is more suitable for surgical operation compared with a metal blade, and is beneficial to wound healing of a patient.

The utility model provides a scalpel in the fourth aspect, including scalpel blade and scalpel handle, wherein scalpel blade is double-bladed, and scalpel handle does the utility model discloses the scalpel handle that provides in the second aspect. The scalpel is configured such that, when the adjustment knob is rotated, the scalpel blade can adjust the exposed length of the scalpel blade, i.e., the depth of cut of the scalpel blade, over a range extending fully into the scalpel handle.

In a preferred embodiment, the surgical blade is coated with a zirconia ceramic coating on the surface thereof.

The utility model discloses can be satisfied with the skin incisal edge secondary repair process of postoperative incision cosmetic healing for the purpose, once only accomplish the parallel incision of skin, cause the operation incisal edge of two parallels, skin can excise outside skin before sewing up fast, perfectly, satisfies the pathological biopsy needs of outside skin simultaneously. The design that can adjust double blade cutting depth and width in a flexible way makes its easy control, can satisfy the operation needs at different positions, even the not experienced practitioner also can conveniently control the operation, avoids producing the error. The utility model provides a scalpel handle is different from the flat handle of a knife commonly used at present, and it is the tubular structure to be provided with the antiskid cover, make things convenient for the operator to grip, be difficult for because of long-time use feels hand sour, tired. The retractable scalpel blade can be accommodated in the design of the scalpel handle, so that damage to sharp instruments in the transmission process of the scalpel can be effectively avoided, and potential damage such as pollution can be avoided. The surgical blade can be further coated with a zirconia ceramic coating, has the advantages of regular incision, small tissue injury, sharpness and the like, is more suitable for surgical operation compared with a metal blade, and is beneficial to wound healing of a patient. The utility model provides a scalpel handle and scalpel simple structure, easily equipment, low in production cost have overcome a plurality of defects of current scalpel, have good popularization application prospect.

It is understood that within the scope of the present invention, the above-mentioned technical features of the present invention and those specifically described below (e.g. in the examples) can be combined with each other to constitute new or preferred technical solutions. Not to be reiterated herein, but to the extent of space. Therefore, the equivalent or modification completed under the principle disclosed by the utility model all fall into the protection scope of the utility model.

The present invention will be further described with reference to the accompanying drawings to fully illustrate the objects, technical features and technical effects of the present invention.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of the present invention showing the structure of a scalpel;

FIG. 2 is a schematic view of a scalpel in another preferred embodiment of the present invention;

FIG. 3 shows a side view of a preferred embodiment of the scalpel;

FIG. 4 is a schematic view of the structure of a preferred embodiment of the present invention showing a scalpel with adjustable double blade spacing;

FIG. 5 is a schematic view of a preferred embodiment of the surgical blade of the present invention;

wherein:

1-first blade 2-second blade 3-blade mounting piece 4-handle body 4 a-handle head 4 b-handle rod part

5-rotating rod 6-adjusting knob 7-anti-skidding sleeve 8-fastener 9-graduated scale 10-blade mounting hole.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

The embodiment provides a scalpel handle and a scalpel, and the specific structures are as follows:

referring to the attached drawing 1, the scalpel handle comprises a handle body 4, a rotating rod 5, an adjusting knob 6 and a blade mounting part 3, the handle body 4 and the rotating rod 5 are both in a tubular structure, the surface of the rotating rod 5 is provided with external threads, the handle body 4 is internally provided with the blade mounting part 3 matched with the rotating rod 5 on the axis, and is provided with an internal thread channel, the handle body 4 and the rotating rod 5 are rotatably sleeved through threads, one end of the rotating rod 5 is provided with the blade mounting part 3 capable of being used for mounting double blades (a first blade 1 and a second blade 2), the other end opposite to the rotating rod 5 is provided with the adjusting knob 6, the rotating adjusting knob 6 can adjust the length of the rotating rod 5 in the handle body 4, preferably, the adjusting knob 6 is provided with convex patterns.

The scalpel handle is made of ABS engineering plastics, is light in weight and high in specific strength, and has outstanding antifriction and wear resistance.

In order to improve the holding hand feeling of a user and prevent the scalpel from slipping off in the using process, the exterior of the scalpel handle body 4 is further provided with an anti-slip sleeve (refer to the anti-slip sleeve 7 in the attached drawing 3) with a protrusion, and the anti-slip sleeve can be made of silica gel or silicon rubber.

The scalpel handle is particularly suitable for being installed and connected with a minimally invasive scalpel blade, and even if the double blades can be directly accommodated in the tubular handle body due to the fact that the minimally invasive scalpel blade is small in size. Scalpel blade passes through blade installed part 3 and scalpel handle erection joint, and when rotation regulation knob 6, scalpel blade passes through handle of a knife body 4 and cup joints with the spiral rotation of dwang 5, can all stretch out to the length that whole retractions in scalpel handle's within range regulation scalpel blade exposes, scalpel blade's cutting depth promptly. The scalpel is also provided with a graduated scale, which is helpful for a user to accurately grasp the cutting length and/or depth of the wound.

Example 2

This embodiment has substantially the same technical characteristics as embodiment 1, and the difference lies in, still seted up locking screw hole (not shown) on the handle of a knife body 4 for cooperate the screw locking handle of a knife body 4 and the connection between dwang 5, so can further improve scalpel's stability, avoid taking place the condition such as smooth silk in the operation process.

Example 3

This embodiment has substantially the same technical characteristics as embodiment 1, and the difference is that one end of the rotating rod 5 where the blade mounting member 3 is located is provided with a groove, so that the blade mounting member 3 can be clamped in the groove and move along the groove, and a spring member is provided between the two blade mounting members 3 and detachably connected by a fastener (refer to a fastener 8 in fig. 4) penetrating through the spring member. The fastener usually adopts bolt and nut, and bolt, nut and the spring part of cover establishing on the bolt connect two blade installed parts 3 detachably, can adjust the distance between two blade installed parts 3 through revolving the nut, after scalpel handle and double blade erection joint, can adjust the distance between the blade, so can cut out the parallel operation incised edge that has suitable width as required.

Example 4

referring to fig. 2, the scalpel handle comprises a handle body 4 and a rotating rod 5, adjust knob 6 and blade installed part 3, handle of a knife body 4 includes handle of a knife head portion 4a and handle of a knife pole portion 4b, smooth connection between handle of a knife head portion 4a and the handle of a knife pole portion 4b, handle of a knife pole portion 4b and dwang 5 are the tubular structure, the surface of dwang 5 is provided with the external screw thread, handle of a knife pole portion 4b is inside to be seted up on the axis with dwang 5 complex, the internal screw thread passageway has, handle of a knife pole portion 4b rotates with dwang 5 through the screw thread and cup joints, the one end of dwang 5 is provided with the blade installed part 3 that can be used to install the double knives piece, the other end that dwang 5 is relative is provided with adjust knob 6, the length of the adjustable dwang 5 of rotatory adjust knob in handle.

In order to improve the holding hand feeling of a user and prevent the scalpel from sliding off in the using process, the exterior of the scalpel handle body 4 is also provided with a raised anti-slip sleeve (shown as an anti-slip sleeve 7 in figure 3), which can be made of silica gel or silicon rubber material.

Above-mentioned scalpel handle is particularly useful for carrying out erection joint with ordinary scalpel blade, common for example small circle blade, well circle blade, great circle blade, sharp blade, sickle blade etc. because the blade size is great, in order to hold the bilobed blade simultaneously, handle of a knife body 4 is set up to constitute by handle of a knife head 4a and handle of a knife pole portion 4b two parts, handle of a knife head 4a and handle of a knife pole portion 4b are the pipe structure, handle of a knife head 4 a's pipe diameter is greater than handle of a knife pole portion 4 b's pipe diameter, smooth connection between the two. The handle head 4a may accommodate the double blades (first blade 1 and second blade 2) that retract back into the handle body 4. The tail ends of the first blade 1 and the second blade 2 are provided with blade mounting holes 10 (as shown in figure 5), the blade mounting piece 3 is provided with a boss (not shown) matched with the blade mounting holes 10, and the blades are limited and fixed through the clamping between the boss and the blade mounting holes 10. After the surgical blade is installed, when the adjusting knob 6 is rotated, the surgical blade is rotatably sleeved with the rotating rod 5 through the spiral of the rod part 4b of the scalpel handle, and the exposed length of the surgical blade, namely the cutting depth of the surgical blade, can be adjusted in the range of fully extending to fully retracting in the scalpel handle. A scale (such as scale 9 of fig. 5) is also provided on the scalpel blade to assist the user in accurately grasping the cut length and/or depth of the wound.

Example 5

This embodiment has roughly the same technical characteristics as embodiment 4, and the difference lies in, still seted up locking screw hole (not shown) on the handle of a knife pole portion 4b of handle of a knife body 4 for cooperate the screw locking handle of a knife pole portion 4b and the dwang 5 between be connected, so can further improve scalpel's stability, avoid taking place the condition such as smooth silk in the operation process.

Example 6

This embodiment has substantially the same technical characteristics as embodiment 4, except that one end of the rotating rod 5 where the blade mounting member 3 is located is provided with a groove, so that the blade mounting member 3 can be clamped in the groove and move along the groove, and a spring member is arranged between the two blade mounting members 3 and detachably connected by a fastening member (as shown by a fastening member 8 in fig. 4) penetrating through the spring member. The fastener usually adopts bolt and nut, and bolt, nut and the spring part of cover establishing on the bolt connect two blade installed parts 3 detachably, can adjust the distance between two blade installed parts 3 through revolving the nut, after scalpel handle and double blade erection joint, can adjust the distance between the blade, so can cut out the parallel operation incised edge that has suitable width as required.

Example 7

In this embodiment, the scalpel may be used with any of the scalpel handle and scalpel blade combinations described above, except that the scalpel blade is further coated with a ceramic coating, preferably a zirconia ceramic coating, to a thickness of 0.1-1 μm, preferably by electron beam physical vapour deposition. The surgical blade coated with the zirconia ceramic coating has the advantages of tidy incision, small tissue injury, sharpness and the like, is more suitable for surgical operation compared with a metal blade, and is beneficial to wound healing of a patient.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a scalpel handle, a serial communication port, scalpel handle includes handle of a knife body, dwang, adjust knob and blade installed part, the handle of a knife body with the dwang is the tubular structure, the surface of dwang is provided with the external screw thread, handle of a knife body inside seted up on the axis with dwang complex, have the internal screw thread passageway, the handle of a knife body with the dwang rotates through the screw thread and cup joints, the one end of dwang is provided with and is used for installing double blade the blade installed part, the other end that the dwang is relative is provided with adjust knob, it is rotatory adjust knob is adjustable the dwang is in this internal length of handle of a knife.

2. The utility model provides a scalpel handle, a serial communication port, scalpel handle includes handle of a knife body, dwang, adjust knob and blade installed part, handle of a knife body includes handle of a knife head portion and handle of a knife pole portion, handle of a knife head portion with smooth connection between the handle of a knife pole portion, handle of a knife pole portion with the dwang is the tubular structure, the surface of dwang is provided with the external screw thread, handle of a knife pole portion inside seted up on the axis with dwang complex, have the internal screw thread passageway, handle of a knife pole portion with the dwang rotates through the screw thread and cup joints, the one end of dwang is provided with and is used for installing the double blade the blade installed part, the relative other end of dwang is provided with adjust knob is rotatory adjust knob is in this internal length of.

3. A scalpel handle as claimed in claim 1 or 2, which is made from an engineering plastic.

4. A scalpel handle as claimed in claim 1 or claim 2, in which the handle body is externally provided with a raised anti-slip sleeve.

5. A scalpel handle as claimed in claim 1 or 2, wherein the handle body further defines a threaded locking hole for engaging a screw to lock the handle body to the rotatable lever.

6. A scalpel handle according to claim 1 or claim 2, wherein the blade mounting member is provided with a recess in one end of the rotatable lever such that the blade mounting member can snap into and move along the recess, and a spring member is provided between the blade mounting members and is releasably connectable by a fastener passing through the spring member.

7. A scalpel handle as claimed in claim 6, wherein the fastener is a bolt and nut, the distance between the blade mounts being adjustable by screwing the nut.

8. A scalpel comprising a scalpel blade and a scalpel handle, wherein the scalpel blade is a double blade and the scalpel handle is a scalpel handle as claimed in claim 1 or claim 2, the scalpel being arranged such that, on rotation of the adjustment knob, the scalpel blade can be adjusted to an exposed length of the scalpel blade in a range extending fully into and fully retracted into the scalpel handle.

9. The scalpel of claim 8, wherein the scalpel blade is provided with a scale.

10. The surgical knife of claim 8, wherein the surface of the surgical blade is coated with a zirconia ceramic coating.