CN218419922U - Handle and reamer for orthopedic operation tool - Google Patents
Handle and reamer for orthopedic operation tool Download PDFInfo
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- CN218419922U CN218419922U CN202221850810.2U CN202221850810U CN218419922U CN 218419922 U CN218419922 U CN 218419922U CN 202221850810 U CN202221850810 U CN 202221850810U CN 218419922 U CN218419922 U CN 218419922U
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Abstract
The application discloses a handle and a reamer for an orthopedic surgical tool, which belong to the technical field of medical instruments, and comprise a holding part, wherein the holding part comprises a first end and a second end which are oppositely arranged; the rod part is connected with the holding part and extends along a first direction from the first end, and the first direction is a direction pointing to the first end from the second end; and the concave part is arranged on the rod part and is used for placing fingers when the palm holds the holding part. This handle is through setting up the pole portion of being connected with the portion of gripping to set up the depressed part on pole portion, utilize the depressed part as the position of placing of finger, make when the palm grips this portion of gripping, the finger can be placed in the depressed part, supplementary palm is exerted oneself, thereby makes more smooth and easy also easier that the power becomes, and then makes in the orthopedic surgery operation, the sense of gripping of whole handle accords with the habit of gripping of art person's hand more, promotes human-computer interaction and experiences.
Description
Technical Field
The application belongs to the technical field of medical instruments, and particularly relates to a handle and a reamer for an orthopedic operation tool.
Background
When orthopedic disorders are treated by surgical operations, a large number of different instruments are used, for example, in the thoracolumbar related operations, mouth openers, reamers, positioning pins, reamers, curettes, and the like may be used. For the existing instruments of the type, the feedback of doctors is poor in human-computer interaction experience during operation, and the fingers are inconvenient to assist the palms to exert force mainly because the handles are not in accordance with the common holding habits of the hands.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the embodiment of the application provides a handle for orthopedic operation instrument to the mode of gripping of the handle of solving current medical instrument is unfavorable for having an effect technical problem, the utility model discloses another aim at provides an enlarger.
The technical scheme is as follows: a handle for an orthopaedic surgical tool according to an embodiment of the present application comprises:
the holding part comprises a first end and a second end which are oppositely arranged;
the rod part is connected with the holding part and extends from the first end along a first direction, and the first direction is a direction pointing to the first end from the second end;
the concave part is arranged on the rod part and is used for holding fingers when the holding part is held by a palm.
The palm is a part between the wrist joint and the fingers, and the palm and the fingers are combined to form the hand.
In some embodiments, the finger is a thumb or an index finger.
In some embodiments, the first end and the second end have a first position therebetween and the first end and the second end have a second position therebetween;
the section of the holding part, which is perpendicular to the first direction, is provided with a circumscribed circle; in the second position, the diameter of the circumscribed circle is the largest, and the diameter of the circumscribed circle gradually decreases from the second position to the first position.
In some embodiments, in the first position, the circumscribed circle has a diameter of 29.6 to 31.6mm; at the second position, the diameter of the circumscribed circle is 38-40 mm; the distance between the first position and the second position is 25.7-27.7 mm.
In some embodiments, the first position is 3.8 to 5.8mm from the first end and the second position is 18.3 to 20.3mm from the second end.
In some embodiments, the first end is spaced 49.8 to 51.8mm from the second end.
In some embodiments, the first end and the second end have a first position therebetween, and the first end and the second end have a second position therebetween;
in the second position, a cross-sectional area of the grip portion perpendicular to the first direction is largest, and the cross-sectional area gradually decreases from the second position to the first position.
In some embodiments, in the first position, the cross-section has an area of 680 to 790mm 2 (ii) a At the second position, the area of the cross section is 1130-1260 mm 2 。
In some embodiments, the recess is a circular arc groove.
In some embodiments, the radius of the recess is 39-41 mm, and the maximum depth of the recess is 1.44-1.46 mm.
In some embodiments, the second end is spaced from a deepest position of the recess by 83.3 to 85.3mm along the first direction.
In some embodiments, the surface of the holding part is provided with an anti-slip groove, and the surface of the holding part is a rough surface.
In some embodiments, the grip portion is provided with a plurality of the anti-slip grooves, and the plurality of the anti-slip grooves are symmetrically arranged around the central axis of the grip portion.
In some embodiments, the depth of the anti-slip groove is 0.5-1 mm.
Correspondingly, the embodiment of the present application further provides a reamer, including:
a handle for an orthopaedic surgical tool as hereinbefore described, and
the reaming part is connected to one end, far away from the holding part, of the rod part, and the reaming part extends along the first direction.
Has the advantages that: compared with the prior art, the handle for the orthopedic surgical tool comprises a holding part, wherein the holding part comprises a first end and a second end which are oppositely arranged; the rod part is connected with the holding part and extends along a first direction from the first end, and the first direction is a direction pointing to the first end from the second end; the concave part is arranged on the rod part and used for placing fingers when the palm holds the holding part. This orthopedic operation instrument's handle is through setting up and the portion of holding the pole that is connected to set up the depressed part on pole portion, utilize the depressed part as the position of placing of finger, make when the palm grips this portion of holding, the finger can be placed in the depressed part, supplementary palm power generation, thereby make power generation become more smooth and easy also easier, and then make in orthopedic operation, the sense of gripping of whole handle accords with the habit of gripping of art person's hand more, promotes human-computer interaction and experiences.
Compared with the prior art, the reamer that this application embodiment provided includes above handle and the reaming portion that is used for the bone surgery instrument, and reaming portion connects in the one end that the portion of gripping is kept away from to the pole portion, and reaming portion extends along first direction. It will be understood that the reamer can have all the technical features and advantages of the handle for orthopaedic surgical tools described above, which will not be described herein in detail.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a perspective view of a handle for an orthopedic surgical tool provided in accordance with an embodiment of the present application;
fig. 2 is a front view of the handle for the orthopaedic surgical tool of fig. 1;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is a dimensional schematic of the handle of FIG. 3 for an orthopaedic surgical tool;
FIG. 5 is a right side view of FIG. 3;
fig. 6 is a schematic perspective view of a reamer provided in an embodiment of the present application;
reference numerals: 100-a grip portion; 101-a first end; 102-a second end; 103-a first position; 104-a second position; 105-a shaft portion; 106-a recess; 107-anti-slip grooves; 108-reamer portion.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the term "palm" refers to the portion between the wrist joint and the fingers, which are combined into a hand; the terms "proximal" and "distal" refer to an operator (operator), wherein "proximal" is the end of the surgical tool closer to the operator, and "distal" is the end farther away from the operator, i.e., closer to the patient, relative to "proximal"; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The applicant finds that some existing orthopedic surgical tools, such as mouth openers, reamers and other tools for performing thoracolumbar related surgery, have poor human-computer interaction experience during operation. The reason is that the handle is poor in holding feeling, and in the operation, the whole handle is not in accordance with the usual hand holding habit of the operator, so that the force is not convenient to apply, and even the risk of slipping is caused, and the safety of the operation is influenced.
In view of this, the present application provides a handle for an orthopedic surgical tool, which provides suitable holding and placing positions for a palm and fingers, respectively, so that the palm and the fingers can cooperate to exert force at respective positions when an operator operates the surgical tool, and the fingers can assist the palm to exert force, thereby making it easier for the operator to exert force.
Specifically, referring to fig. 1 to 3, fig. 1 illustrates a three-dimensional structure of a handle for an orthopedic surgical tool according to the present embodiment, fig. 2 illustrates a front view structure of the handle, and fig. 3 illustrates a bottom view structure of the handle in fig. 2. It can be seen that the handle for an orthopaedic surgical tool comprises a grip 100, a shaft 105 and a recess 106, the grip 100 is connected with the shaft 105, and the recess 106 is disposed on the shaft 105.
The holding portion 100 may also be referred to as a handle portion, and during the operation, the holding portion 100 is used for holding the palm, that is, the palm of the operator wraps the holding portion 100, and the palm center of the palm is attached to the surface of the holding portion 100, so that the holding portion 100 can support the palm.
The grip portion 100 includes a first end 101 and a second end 102 disposed opposite to each other, wherein the first end 101 is a distal end of the grip portion 100, the second end 102 is a proximal end of the grip portion 100, and a direction pointing from the second end 102 to the first end 101 is defined as a first direction in the description of the present application, and it is understood that a length axis AA' of the handle in fig. 3 extends along the first direction.
The stem portion 105 is connected to the grip portion 100, and the stem portion 105 extends in a first direction from the position of the first end 101. Specifically, in some embodiments, the shaft 105 may be directly connected to the first end 101 of the grip 100 and extend from the first end 101 in a first direction away from the second end 102, and may be secured by welding, integral molding, or the like, in a manner known in the art; in some embodiments, the connection with the grip portion 100 may also be achieved by providing a mounting hole penetrating through the grip portion 100 to the first end 101, the rod portion 105 being inserted into the mounting hole, the rod portion 105 protruding from the mounting hole at the position of the first end 101 and extending away from the second end 102 along the first direction, the mounting hole may be a threaded hole, a hexagon socket, or other hole structure capable of transmitting torque, and a portion of the rod portion 105 inserted into the mounting hole is matched with the structure of the mounting hole; in some embodiments, the grip portion 100 is made of silicone, and the rod portion 105 is a metal rod, so that the grip portion 100 can be directly wrapped on one end of the rod portion 105 to be fixedly connected therewith.
The recess 106 is disposed on the rod portion 105, and it is understood that the recess 106 is a structure formed by being recessed downward from the surface of the rod portion 105, and the recess 106 is used for placing fingers when the palm holds the grip portion 100.
In some embodiments, the grip portion 100 is the largest cross-sectional dimension of the entire handle, and specifically, in the cross-section formed by cutting the handle at each position with a plane perpendicular to the handle length axis AA' (perpendicular to the first direction), the cross-section of the grip portion 100 at any position has a larger area than the area of the shaft portion 105, so that the shaft portion 105 is thinner than the grip portion 100, and a taper design can be formed between the shaft portion 105 and the grip portion 100, and the taper design enables fingers to be more easily placed in the recessed portions 106 to assist force when the hand grips the grip portion 100.
Referring to fig. 3 and 4 together, fig. 4 shows a size mark of the handle for the orthopaedic surgical tool in fig. 3, in order to further enhance the man-machine interaction experience, in some embodiments, the contour of the grip portion 100 is also designed creatively, specifically, a first position 103 is designed between the first end 101 and the second end 102 of the grip portion 100, and a second position 104 is designed between the first position 103 and the second end 102; the cross section of the holding part 100 perpendicular to the first direction has a circumscribed circle, that is, a partial contour line of a cross section formed by cutting the holding part 100 through a plane perpendicular to the first direction is overlapped with a circle on the plane, and the center of the circle is positioned on the length axis AA', so that the partial contour attached to the palm is a circular arc contour, and the holding feeling is softer and more comfortable. Moreover, at the second position 104, the diameter of the circumscribed circle is the largest, and the diameter of the circumscribed circle gradually becomes smaller from the second position 104 to the first position 103, that is, a section of contour size reduction area is arranged in the contour of the holding part 100, so that a taper design from the near to the far is formed, the palm shape held by the palm is changed when the palm is more fit for operation, and the comfort is improved while the exertion is facilitated.
Further, in some embodiments, a preferred size of the grip portion 100 is also designed, specifically, in the first position 103, the diameter g of the circumscribed circle is 29.6 to 31.6mm, that is, the diameter g of the circumscribed circle of the cross-section at the first position 103 can be arbitrarily selected from 29.6 to 31.6mm, such as 29.6mm, 29.7mm, 29.8mm, 29.9mm, 30.0mm, 30.1mm, 30.2mm, 30.3mm, 30.4mm, 30.5mm, 30.6mm, 30.7mm, 30.8mm, 30.9mm, 31.0mm, 31.1mm, 31.2mm, 31.3mm, 31.4mm, 31.5mm, 31.6mm, wherein g can be further preferably 30.6mm.
In the second position 104, the diameter f of the circumscribed circle is 38 to 40mm, i.e. the diameter f of the circumscribed circle of the cross-section at the second position 104 can be arbitrarily selected from 38 to 40mm, for example 38.0mm, 38.1mm, 38.2mm, 38.3mm, 38.4mm, 38.5mm, 38.6mm, 38.7mm, 38.8mm, 38.9mm, 39.0mm, 39.1mm, 39.2mm, 39.3mm, 39.4mm, 39.5mm, 39.6mm, 39.7mm, 39.8mm, 39.9mm, 40mm, wherein f can be further preferably 39.0mm.
The distance a between the first position 103 and the second position 104 is 25.7-27.7 mm, that is, the distance a between the first position 103 and the second position 104 can be selected from 25.7-27.7 mm, for example, 25.7mm, 25.8mm, 25.9mm, 26.0mm, 26.1mm, 26.2mm, 26.3mm, 26.4mm, 26.5mm, 26.6mm, 26.7mm, 26.8mm, 26.9mm, 27.0mm, 27.1mm, 27.2mm, 27.3mm, 27.4mm, 27.5mm, 27.6mm, 27.7mm, wherein a is preferably 26.7mm.
The dimensions g, f and a are designed so that the contour dimension reduction area on the holding part 100 is more fit with the corresponding area of the palm held by the adult, thereby improving the holding feeling of the operator.
Further, in some embodiments, the distance b between the first position 103 and the first end 101 is 3.8-5.8 mm, that is, the distance b between the first position 103 and the first end 101 can be any selected from 3.8-5.8 mm, such as 3.8mm, 3.9mm, 4.0mm, 4.1mm, 4.2mm, 4.3mm, 4.4mm, 4.5mm, 4.6mm, 4.7mm, 4.8mm, 4.9mm, 5.0mm, 5.1mm, 5.2mm, 5.3mm, 5.4mm, 5.5mm, 5.6mm, 5.7mm, and 5.8mm, wherein b can be further preferably 4.8mm.
The distance c between the second position 104 and the second end 102 is 18.3-20.3 mm, that is, the distance c between the second position 104 and the second end 102 can be selected from 18.3-20.3 mm, for example, 18.3mm, 18.4mm, 18.5mm, 18.6mm, 18.7mm, 18.8mm, 18.9mm, 19.0mm, 19.1mm, 19.2mm, 19.3mm, 19.4mm, 19.5mm, 19.6mm, 19.7mm, 19.8mm, 19.9mm, 20.0mm, 20.1mm, 20.2mm, 20.3mm, wherein c is preferably 19.3mm.
The dimensions of the b and c are designed to make the lengths of the front and rear sides of the reduced contour dimension region of the grip 100 more fit the grip state of the corresponding region of the palm of the operator, thereby further improving the grip feeling.
Further, the overall length of the grip portion 100, i.e. the distance d between the first end 101 and the second end 102, is also designed, and the preferred size of d is 49.8-51.8 mm, that is, the length d of the grip portion 100 can be arbitrarily selected within the range of 49.8-50.8, such as 49.8mm, 49.9mm, 50.0mm, 50.1mm, 50.2mm, 50.3mm, 50.4mm, 50.5mm, 50.6mm, 50.7mm, 50.8mm, 50.9mm, 51.0mm, 51.1mm, 51.2mm, 51.3mm, 51.4mm, 51.5mm, 51.6mm, 51.7mm, 51.8mm, wherein d is preferably 50.8mm. The whole length of the holding part 100 is more suitable for the holding size of the palm of an adult, and the comfort of the operator in holding is guaranteed.
In some embodiments, the grip portion 100 has a region with a reduced cross-sectional area, specifically, in a cross-section of the grip portion 100 perpendicular to the first direction, the cross-sectional area is the largest at the second position 104, and the cross-sectional area is gradually reduced from the second position 104 to the first position 103, so that a taper design from the near to the far can still be formed by the reduction of the cross-section, and the grip feeling of the grip portion 100 is improved.
Specifically, at the first position 103, the area of the cross section is 680-790 mm 2 That is, the cross-sectional area of the first location 103 may be between 680 and 790mm 2 Is arbitrarily selected from the range of (1), and may be 680mm, for example 2 、690mm 2 、700mm 2 、710mm 2 、720mm 2 、730mm 2 、740mm 2 、750mm 2 、760mm 2 、770mm 2 、780mm 2 、790mm 2 (ii) a At the second position 104, the area of the cross section is 1130-1260 mm 2 That is, the cross-sectional area of the second location 104 may be between 1130 and 1260mm 2 Is arbitrarily selected from the range of (1), and may be, for example, 1130mm 2 、1140mm 2 、1150mm 2 、1160mm 2 、1179mm 2 、1180mm 2 、1190mm 2 、1200mm 2 、1210mm 2 、1220mm 2 、1230mm 2 、1240mm 2 、1250mm 2 、1260mm 2 . The section reducing design made from the area ranges of the two positions can match the corresponding area of the palm of an adult hand in a holding state, and is favorable for improving the operation and use feeling of an operator.
Referring again to fig. 2, 3 and 4, in some embodiments, the recess 106 is designed as a circular arc groove in order to make the finger more comfortable and easier to apply force in the recess 106. Thereby support the finger through the arc surface of arc recess, the profile of laminating finger, the power of being convenient for finger.
More specifically, the recessed portion 106 may be regarded as an arc-shaped groove formed by cutting the rod portion 105 through a cylindrical surface, the central axis of which is perpendicular to the length axis AA', and the radius R of the recessed portion 106 is 39 to 41mm, that is, the radius R of the arc-shaped groove may be arbitrarily selected within the range of 39 to 41mm, for example, 39mm, 39.1mm, 39.2mm, 39.3mm, 39.4mm, 39.5mm, 39.7mm, 39.8mm, 39.9mm, 40mm, 40.1mm, 40.2mm, 40.3mm, 40.4mm, 40.5mm, 40.6mm, 40.7mm, 40.8mm, 40.9mm, and 41mm, wherein R may be further preferably 40mm.
The maximum depth h of the recess 106 is 1.44 to 1.46mm, that is, the maximum depth of the arc center position of the recess 106 and the surface of the shaft portion 105 is 1.44 to 1.46mm, and may be 1.44mm, 1.45mm, or 1.46mm, for example, with the maximum depth being preferably 1.45mm.
By designing the size of the recess 106, when the palm holds the grip 100, the fingers are more natural in the recess 106, and the fine feeling of the operator is more comfortable.
Further, the distance e between the second end 102 and the deepest position of the recess 106 along the first direction is 83.3mm to 85.3mm, that is, the distance e from the second end 102 to the deepest position cross section of the recess 106 is selected from a range of 83.3mm to 85.3mm, and may be, for example, 83.3mm, 83.4mm, 83.5mm, 83.6mm, 83.7mm, 83.8mm, 83.9mm, 84.0mm, 84.1mm, 84.2mm, 84.3mm, 84.4mm, 84.5mm, 84.6mm, 84.7mm, 84.8mm, 84.9mm, 85.0mm, 85.1mm, 85.2mm, 85.3mm, wherein e may be further preferably 84.3mm. The dimensions are designed to fit the length of an adult's fingers so that when the palm is holding the grip 100, the fingers, particularly the thumb and forefinger, fit comfortably within the depression 106.
Referring to fig. 5, fig. 5 illustrates a right side view of the handle for the orthopaedic surgical tool of fig. 3; in some embodiments, the surface of the grip portion 100 is provided with the anti-slip groove 107, and in particular, one or more groove structures may be provided on the surface profile of the grip portion 100 to form the anti-slip groove 107, and when a plurality of anti-slip grooves 107 are provided, the plurality of anti-slip grooves 107 may be symmetrically arranged around the central axis of the grip portion 100, i.e., the length axis AA', so as to ensure the grip feeling while achieving the anti-slip effect.
Furthermore, the depth of the anti-skid groove 107 can be designed to be 0.5-1 mm, namely the maximum depth of the anti-skid groove 107 is selected from 0.5-1 mm, and can be 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9m and 1mm, so that the anti-skid effect can be ensured to be achieved when the depth is too shallow, and the phenomenon that hands are damaged due to too deep depth can be avoided.
In addition, the surface of the grip 100 is textured to form a rough surface, and slipping is prevented by increasing the coefficient of friction between the palm and the grip 100.
As shown in fig. 6, the present embodiment further provides a reamer, which is used for reaming when performing thoracolumbar posterior internal fixation surgery, and comprises the above handle for an orthopedic surgical tool and a reaming portion 108, wherein the reaming portion 108 is connected to one end of the rod portion 105 far from the holding portion 100 and extends along a first direction.
Specifically, the reaming portion 108 is a stepped rod for enlarging a hole in a bone, and the stepped configuration of the reaming portion 108 may refer to a reamer structure known in the art, and is not limited herein.
The reaming section 108 may be integrally formed with the shaft section 105, and the reaming section 108 may be formed directly on the shaft section 105 of the handle during manufacture; or, a split structure is also possible, for example, a bolt hole may be provided at the distal end of the rod portion 105, a matching thread may be provided on the reaming portion 108, and the connection between the bolt hole and the reaming portion is realized by the thread, or a hexagon socket may be provided at the distal end of the rod portion 105, and a matching structure may be provided at the proximal end of the reaming portion 108, and the bolt hole and the reaming portion are inserted into the hexagon socket to realize the connection and transmit the torque; of course, other configurations known in the art may also be used to achieve the connection of the two.
It will be understood that the reamer can have all the technical features and advantages of the handle for an orthopaedic surgical tool in the above embodiments, which will not be described herein.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The handle and the reamer for the orthopedic surgical tool provided by the embodiment of the application are described in detail, and the principle and the embodiment of the application are explained by applying specific examples, and the description of the embodiment is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (13)
1. A handle for an orthopaedic surgical tool, comprising:
the holding part comprises a first end and a second end which are oppositely arranged;
the rod part is connected with the holding part and extends from the first end along a first direction, and the first direction is a direction pointing to the first end from the second end;
the concave part is arranged on the rod part and is used for holding fingers when the holding part is held by a palm.
2. The handle for an orthopaedic surgical tool of claim 1, wherein the first end and the second end have a first position therebetween and a second position therebetween;
the section of the holding part, which is perpendicular to the first direction, is provided with a circumscribed circle; in the second position, the diameter of the circumscribed circle is the largest, and the diameter of the circumscribed circle gradually decreases from the second position to the first position.
3. The handle for an orthopaedic surgical tool according to claim 2, wherein in the first position the circumscribed circle has a diameter of 29.6-31.6 mm; at the second position, the diameter of the circumscribed circle is 38-40 mm; the distance between the first position and the second position is 25.7-27.7 mm.
4. The handle for an orthopaedic surgical tool according to claim 3, wherein the first position is at a distance of 3.8-5.8 mm from the first end and the second position is at a distance of 18.3-20.3 mm from the second end.
5. A handle for an orthopaedic surgical tool according to any one of claims 1 to 4, wherein the distance between the first end and the second end is 49.8 to 51.8mm.
6. The handle for an orthopaedic surgical tool of claim 1, wherein the first end and the second end have a first position therebetween and a second position therebetween;
in the second position, the cross-sectional area of the grip portion perpendicular to the first direction is largest, and the cross-sectional area gradually decreases from the second position to the first position.
7. A handle for an orthopaedic surgical tool according to claim 2 or 6, wherein the area of the cross-section in the first position is 680-790 mm 2 (ii) a At the second position, the area of the cross section is 1130-1260 mm 2 。
8. The handle for an orthopaedic surgical tool of claim 1, wherein the recess is a circular arc shaped groove.
9. The handle for an orthopaedic surgical tool according to claim 8, wherein the radius of the recess is 39-41 mm and the maximum depth of the recess is 1.44-1.46 mm.
10. A handle for an orthopaedic surgical tool according to claim 8 or 9, wherein the second end is at a distance of 83.3-85.3 mm from the deepest position of the recess along the first direction.
11. The handle for an orthopaedic surgical tool according to claim 1, wherein the surface of the grip portion is provided with anti-slip grooves and the surface of the grip portion is a rough surface.
12. The handle for an orthopaedic surgical tool according to claim 11, wherein the depth of the anti-slip groove is 0.5-1 mm.
13. A reamer, comprising:
a handle for an orthopaedic surgical tool as claimed in any one of claims 1 to 12, and
the reaming part is connected to one end, far away from the holding part, of the rod part, and the reaming part extends along the first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221850810.2U CN218419922U (en) | 2022-07-15 | 2022-07-15 | Handle and reamer for orthopedic operation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221850810.2U CN218419922U (en) | 2022-07-15 | 2022-07-15 | Handle and reamer for orthopedic operation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218419922U true CN218419922U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221850810.2U Active CN218419922U (en) | 2022-07-15 | 2022-07-15 | Handle and reamer for orthopedic operation tool |
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| Country | Link |
|---|---|
| CN (1) | CN218419922U (en) |
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2022
- 2022-07-15 CN CN202221850810.2U patent/CN218419922U/en active Active
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