CN213850905U - Osteotome device convenient to operation - Google Patents

Abstract

The utility model discloses a bone knife device convenient to operation, including tool bit and scale, the soft layer is installed to the outer wall of tool bit, and the cutter arbor is installed to the end of tool bit. This osteotome device convenient to operation is provided with the tool bit, the tool bit is 30 degrees with cutter arbor axis contained angle, and the cross sectional shape of tool bit is the arc structure, this design has made things convenient for medical personnel's operation, use, be used for the backbone decompression, including ossification tissue excision, the neural damage of spinal cord when can reducing the operation, the amount of cut and the shape of having made things convenient for medical personnel to the removal in-process simultaneously are controlled, structure as an organic whole between scale and the cutter arbor, and scale protrusion in the surface of cutter arbor, medical personnel can directly know the cutting depth of this osteotome through the scale of observing the outer wall design, certain convenience has been provided for medical personnel, the precision of operation has been increased to a certain extent simultaneously, the emergence of this phenomenon of wearing and tearing is effectively avoided the scale to use for a long time in this design of the surface of cutter arbor.

Description

Osteotome device convenient to operation

Technical Field

The utility model relates to a osteotome technical field specifically is a osteotome device convenient to operation.

Background

The bone knife is an innovative technology, has the characteristics and advantages which can not be compared with a plurality of traditional manual and electric orthopedic surgical instruments, utilizes a high-intensity focused ultrasound principle (cavitation effect, thermal effect and mechanical effect) to carry out a medical instrument for bone surgery, converts electric energy into mechanical energy by utilizing the high-intensity focused ultrasound technology, and leads water in tissue cells to be contacted to be vaporized and protein hydrogen bonds to be broken by high-frequency ultrasonic oscillation, thereby thoroughly destroying bone tissues needing to be cut in the surgery.

Medical personnel are difficult to know the degree of depth that the cutter head stretched into in the osteotome device use on the market to reduced the accuracy of operation excision to a certain extent, and medical personnel are difficult to control the cutting output and the shape of excision in-process in the operation, thereby aggravated that patient's painful sense and wound healing are consuming time, for this reason, we propose such osteotome device of being convenient for operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a osteotome device convenient to operation to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a osteotome device convenient to operation, includes tool bit and scale, the softer layer is installed to the outer wall of tool bit, and the end of tool bit installs the cutter arbor, the scale sets up in the surface of cutter arbor, and settles in the below of scale has the connecting block, the outer wall of connecting block sets up flutedly, and the inboard of recess settles and have the fixture block, the outer wall of fixture block is fixed with the sponge piece, the below of connecting block is fixed with the locating piece, and the outer wall of locating piece has seted up the locating hole, the bottom mounting of cutter arbor has the external screw thread.

Preferably, an integrated structure is formed between the scales and the cutter rod, and the scales protrude out of the surface of the cutter rod.

Preferably, the included angle between the cutter head and the central axis of the cutter bar is 30 degrees, and the cross section of the cutter head is of an arc structure.

Preferably, the soft layer is connected with the outer wall of the cutter head through bonding, and the shape structure of the soft layer is matched with the shape structure of the cutter head.

Preferably, the cutter head is movably connected with the cutter bar, and the central axis of the cutter head coincides with the central axis of the cutter bar.

Preferably, the positioning blocks are symmetrically distributed about the vertical center line of the cutter bar, the positioning holes are distributed in a one-to-one correspondence manner about the positions of the positioning blocks, and the positioning holes respectively penetrate through the outer end face and the inner end face of the positioning block.

Preferably, the sponge block is matched with the groove through the clamping block to form a clamping structure, and the central axis of the sponge block coincides with the central axis of the connecting block.

Compared with the prior art, the beneficial effects of the utility model are that:

the osteotome device convenient to operate is provided with an osteotome head, the included angle between the osteotome head and the central axis of the osteotome bar is 30 degrees, the section shape of the osteotome head is of an arc-shaped structure, the osteotome head is convenient for operation and use of medical personnel, is used for spinal decompression, comprises the excision of ossification tissues, can reduce spinal nerve injury during operation, and simultaneously facilitates the control of cutting amount and shape of the medical personnel during excision, an integrated structure is formed between the scale and the osteotome bar, and the scale protrudes out of the surface of the osteotome bar, so that the medical personnel can directly know the cutting depth of the osteotome by observing the scale designed on the outer wall, thereby providing certain convenience for the medical personnel, and simultaneously increasing the accuracy of operation to a certain extent, and the design that the scale protrudes out of the surface of the osteotome bar effectively avoids the phenomenon that the scale is worn after long-term use;

the soft layer is connected with the outer wall of the cutter head through bonding, the shape structure of the soft layer is matched with that of the cutter head, the design of the soft layer effectively avoids the direct contact between the outer wall of the rear side of the cutter head and the inner cavity of a patient, the pain feeling generated in the touch process is relieved, the comfort level of the patient in the operation process is improved, the cutter head is movably connected with the cutter bar, the central axis of the cutter head is overlapped with that of the cutter bar, the cutter head is detachable, medical personnel can conveniently and freely replace the cutter head, the flexible cutter head has strong flexibility, the effect of one rod with multiple purposes is realized, and the utilization rate of the cutter bar is improved;

this locating piece is the symmetric distribution about the vertical center line of cutter arbor, and the locating hole is distributed about the position one-to-one of locating piece, and the locating hole runs through the outer terminal surface and the interior terminal surface of locating piece respectively, this design has guaranteed osteotome and other coupling assembling's installation, certain stability has simultaneously, it is not hard up effectively to have avoided tool bit and cutter arbor to receive the influence production of ultrasonic vibration, the circumstances such as drop, the sponge piece passes through to mutually support between fixture block and the recess and constitutes the block structure, and the axis of sponge piece coincides mutually with the axis of connecting block, the sponge piece can simply disinfect patient outside skin surface, the health in the whole operation process has been guaranteed, the wound has been avoided breeding the bacterium etc., and the sponge piece installation and the dismantlement process of this design are comparatively simple and easy, use cost is lower.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is the perspective structure diagram of the connecting block of the present invention.

In the figure: 1. a cutter head; 2. a cutter bar; 3. calibration; 4. connecting blocks; 5. a sponge block; 6. positioning blocks; 7. an external thread; 8. positioning holes; 9. a clamping block; 10. a soft layer; 11. and (4) a groove.

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. 1-3, the present invention provides a technical solution: a bone knife device convenient to operate comprises a knife head 1 and a scale 3, wherein a soft layer 10 is arranged on the outer wall of the knife head 1, a knife rod 2 is arranged at the tail end of the knife head 1, the scale 3 is arranged on the surface of the knife rod 2, a connecting block 4 is arranged below the scale 3, a groove 11 is formed in the outer wall of the connecting block 4, a clamping block 9 is arranged on the inner side of the groove 11, a sponge block 5 is fixed on the outer wall of the clamping block 9, a positioning block 6 is fixed below the connecting block 4, a positioning hole 8 is formed in the outer wall of the positioning block 6, and an external thread 7 is fixed at the bottom end of the knife rod 2;

the scale 3 and the cutter bar 2 are of an integrated structure, the scale 3 protrudes out of the surface of the cutter bar 2, medical staff can directly know the cutting depth of the osteotome by observing the scale 3 designed on the outer wall, certain convenience is provided for the medical staff, meanwhile, the accuracy of an operation is improved to a certain extent, and the design that the scale 3 protrudes out of the surface of the cutter bar 2 effectively avoids the phenomenon that the scale 3 is worn after being used for a long time;

the included angle between the cutter head 1 and the central axis of the cutter bar 2 is 30 degrees, and the section of the cutter head 1 is in an arc-shaped structure, so that the design is convenient for the operation and use process of medical personnel, is used for spinal decompression, comprises ossification tissue excision, can reduce spinal nerve injury during operation, and is convenient for the medical personnel to control the cutting amount and shape in the excision process;

the soft layer 10 is connected with the outer wall of the tool bit 1 through bonding, the shape structure of the soft layer 10 is matched with that of the tool bit 1, the soft layer 10 is designed to effectively avoid the direct contact between the outer wall of the rear side of the tool bit 1 and the inner cavity of a patient, the pain feeling generated in the touch process is relieved, and the comfort level of the patient in the operation process is improved;

the cutter head 1 is detachably connected with the cutter bar 2, the central axis of the cutter head 1 is coincident with that of the cutter bar 2, so that medical workers can freely replace the cutter head 1 conveniently, the cutter head has high flexibility, the effect of one rod with multiple purposes is achieved, and the utilization rate of the cutter bar 2 is improved;

the positioning blocks 6 are symmetrically distributed about the vertical center line of the cutter bar 2, the positioning holes 8 are distributed in a one-to-one correspondence mode about the positions of the positioning blocks 6, and the positioning holes 8 penetrate through the outer end face and the inner end face of the positioning blocks 6 respectively, so that the installation process of the osteotome and other connecting assemblies is guaranteed, meanwhile, certain stability is achieved, and the situations that the cutter head 1 and the cutter bar 2 are loosened and fall off due to the influence of ultrasonic vibration are effectively avoided;

the sponge piece 5 is mutually matched through the clamping block 9 and the groove 11 to form a clamping structure, the central axis of the sponge piece 5 coincides with the central axis of the connecting block 4, the sponge piece 5 can be used for simply disinfecting the skin surface outside the patient, the sanitation in the whole operation process is guaranteed, the wound is prevented from breeding bacteria and the like, the installation and disassembly processes of the sponge piece 5 are simple and easy, and the use cost is low.

The working principle is as follows: for the easy-to-operate osteotome device, firstly, the scalpel head 1 is stably arranged at the front end of the scalpel rod 2, then, medical staff can directly clamp the sponge block 5 at the outer side of the connecting block 4 by mutually clamping the clamping block 9 and the groove 11, the whole body and other components are arranged by the external thread 7, and sterilized screws and the like directly penetrate through the positioning holes 8 to strengthen and fix, thereby avoiding the conditions that the scalpel head 1 and the scalpel rod 2 are loosened and fall off due to the influence of ultrasonic vibration in the using process, the medical staff can firstly directly drip disinfectant and the like on the sponge block 5, well realizing simple and easy sterilization of the skin surface at the outer side of a patient, ensuring the sanitation in the whole operation process, avoiding the breeding of bacteria and the like at the wound, and the medical staff can directly know the cutting depth of the osteotome by observing the scale 3 designed on the outer wall, provide certain convenience for medical personnel, increased the precision of operation simultaneously to a certain extent, the softer layer 10 of wall design has effectively avoided the direct contact of 1 rear side outer wall of tool bit and patient's inner chamber behind the tool bit 1, has alleviateed the painful sense that the touching in-process produced, has improved the comfort level of patient's operation in-process, accomplishes the use of the whole osteotome device of being convenient for operation just so.

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 (7)

1. The utility model provides a osteotome device convenient to operation, includes tool bit (1) and scale (3), its characterized in that: the utility model discloses a cutter bar, including cutter head (1), cutter bar (2), scale (3), connecting block (4), locating hole (8), locating hole (6), locating thread (7), the bottom mounting of cutter bar (2) has soft layer (10) to the outer wall of cutter head (1), and the end of cutter head (1) installs cutter bar (2), scale (3) set up in the surface of cutter bar (2), and the below of scale (3) settles and have connecting block (4), the outer wall of connecting block (4) is seted up fluted (11), and the inboard of recess (11) settles and have fixture block (9), the outer wall of fixture block (9) is fixed with sponge piece (5), the below of connecting block (4) is fixed with locating piece (6), and the outer wall of locating piece (6) has seted up locating hole (8), the bottom mounting of cutter bar (2) has external screw thread (7).

2. A bone knife device for facilitating handling according to claim 1, wherein: the scale (3) and the cutter bar (2) are of an integrated structure, and the scale (3) protrudes out of the surface of the cutter bar (2).

3. A bone knife device for facilitating handling according to claim 1, wherein: the included angle between the cutter head (1) and the central axis of the cutter bar (2) is 30 degrees, and the cross section of the cutter head (1) is of an arc-shaped structure.

4. A bone knife device for facilitating handling according to claim 1, wherein: the soft layer (10) is connected with the outer wall of the tool bit (1) through bonding, and the shape and the structure of the soft layer (10) are matched with those of the tool bit (1).

5. A bone knife device for facilitating handling according to claim 1, wherein: be swing joint between tool bit (1) and cutter arbor (2), and the axis of tool bit (1) coincides mutually with the axis of cutter arbor (2).

6. A bone knife device for facilitating handling according to claim 1, wherein: the positioning blocks (6) are symmetrically distributed about the vertical center line of the cutter bar (2), the positioning holes (8) are distributed in a one-to-one correspondence manner about the positions of the positioning blocks (6), and the positioning holes (8) penetrate through the outer end face and the inner end face of the positioning blocks (6) respectively.

7. A bone knife device for facilitating handling according to claim 1, wherein: the sponge block (5) is matched with the groove (11) through the clamping block (9) to form a clamping structure, and the central axis of the sponge block (5) is overlapped with the central axis of the connecting block (4).

Images