CN118044859A - Driving device of surgical cutting tool - Google Patents
Driving device of surgical cutting tool Download PDFInfo
- Publication number
- CN118044859A CN118044859A CN202211423752.XA CN202211423752A CN118044859A CN 118044859 A CN118044859 A CN 118044859A CN 202211423752 A CN202211423752 A CN 202211423752A CN 118044859 A CN118044859 A CN 118044859A
- Authority
- CN
- China
- Prior art keywords
- driving shaft
- channel
- liquid
- hollow cylinder
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 238000005086 pumping Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 1
- 239000012634 fragment Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000002271 resection Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a driving device of a surgical cutting tool, which is used for solving the problem that the existing driving device is easy to block. Comprising the following steps: the shell is provided with a hollow cylinder body, the hollow cylinder body is provided with two openings, the two openings are respectively used for combining a front cover and a rear cover, the front cover is provided with a through hole, the rear cover is provided with a plurality of discharge holes, and each discharge hole is used for connecting one liquid pumping piece; the driving module is positioned in the shell, the driving module is provided with a driving shaft driven by a power element to rotate, the second end of the driving shaft extends out of the through hole of the front cover, the second end of the driving shaft is connected with a chuck, the chuck clamps a cutter by a plurality of clamping jaws, the driving shaft is provided with a through channel, the through channel axially penetrates through the opposite ends of the driving shaft, the first end of the through channel faces the rear cover and is positioned in the hollow cylinder, and the second end of the through channel is aligned and communicated with the center of the chuck.
Description
Technical Field
The present invention relates to a driving device, and more particularly, to a driving device for driving a surgical cutting tool to rotate.
Background
Eradication surgery is one of the treatments currently in common use, and the aim of treatment is achieved by excision of a predetermined tissue. Such as tumor resection, necrotic tissue resection, or tissue resection with severe damage due to accidents. The cutting tool used for cutting the tissue has a serrated blade portion, and the serrated blade portion is driven to rotate at a high speed by a driving device of a built-in motor so as to cut the tissue of the affected part by the serrated blade portion, thereby removing the tissue of the affected part. The driving piece forms suction through a built-in or externally connected pump, and simultaneously absorbs the cut tissue scraps, so that a worker can cut tissues and remove the cut tissues at the same time, and the smoothness of operation is ensured.
However, during the operation, the cut tissue fragments often form a blockage in the driving device, which results in that the operator must interrupt the operation from time to remove the blocked tissue fragments, resulting in poor smoothness of the operation and delay of the operation time.
In view of the above, there is a need for an improved driving device for surgical cutting tools.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a driving device for a surgical cutting tool, which can smoothly remove cut tissue fragments.
Throughout this disclosure, directional or approximate terms, such as "front", "back", "left", "right", "upper (top)", "lower (bottom)", "inner", "outer", "side", etc., refer primarily to the direction of the drawings and are used merely to aid in the description and understanding of various embodiments of the present invention and are not intended to be limiting.
The use of the terms "a" or "an" for the elements and components described throughout this disclosure is for convenience only and provides a general sense of the scope of the invention; it should be understood that the present invention includes one or at least one, and that the singular concept also includes the plural unless it is obvious that it is meant otherwise.
The terms "coupled," "assembled," or "assembled" as used throughout this disclosure, generally include those that are separated without damaging the components after connection, or that are not separated after connection, and may be selected by one skilled in the art based on the materials or assembly requirements of the components to be connected.
The driving device of the surgical cutting tool of the present invention comprises: the shell is provided with a hollow cylinder body, the hollow cylinder body is provided with two openings, the two openings are respectively used for combining a front cover and a rear cover, the front cover is provided with a through hole, the rear cover is provided with a plurality of discharge holes, and each discharge hole is used for connecting one liquid pumping piece; the driving module is positioned in the shell, the driving module is provided with a driving shaft driven by a power element to rotate, the second end of the driving shaft extends out of the through hole of the front cover, the second end of the driving shaft is connected with a chuck, the chuck clamps a cutter by a plurality of clamping jaws, the driving shaft is provided with a through channel, the through channel axially penetrates through the opposite ends of the driving shaft, the first end of the through channel faces the rear cover and is positioned in the hollow cylinder, and the second end of the through channel is aligned and communicated with the center of the chuck.
Therefore, the driving device of the surgical cutting tool has a plurality of discharge holes through the rear cover, or the liquid suction pipe fitting is provided with a plurality of liquid outlets, each discharge hole or each liquid outlet can be communicated with a pumping part such as a pump, and the pumping part can be used for sucking tissue scraps and liquid in the hollow cylinder body or the through channel of the driving shaft, so that the driving device has more discharge channels, can respectively form suction force on the through channel, so that the tissue scraps cut by the tool can be sucked out by the pumping part, the through channel can be prevented from being blocked by the tissue scraps cut by the tool, surgical interruption caused by the blockage of the tissue scraps can be avoided, and the effect of improving the smoothness of the surgery can be realized.
The hollow cylinder is internally provided with a fixing seat, and the first end of the driving shaft passes through the fixing seat and is positioned in the hollow cylinder. Thus, the fixing seat can be used for preventing tissue fragments and liquid from entering the power element part and stably supporting the rotation of the driving shaft.
Wherein, a water blocking ring is arranged between the second end of the driving shaft and the through hole. Therefore, the water blocking ring can be used for blocking the opening of the shell, and has the effect of preventing liquid in operation from entering the shell.
Wherein the drive shaft is supported by at least one bearing. In this way, the drive shaft can rotate stably relative to the housing.
The driving device of the surgical cutting tool can further comprise a liquid suction pipe fitting, wherein the liquid suction pipe fitting is provided with a liquid suction opening and a plurality of liquid outlets, the liquid suction opening is connected to the first end of the through channel, and the liquid outlets are respectively communicated with the liquid suction piece and are respectively opposite to the discharge holes of the rear cover. Therefore, the liquid suction piece can directly suck and discharge the tissue scraps in the through channel through the liquid suction pipe fitting.
Wherein, the bore of the liquid absorbing port is larger than the outer diameter of the first end of the driving shaft, and the first end of the driving shaft stretches into the liquid absorbing port. Thus, the liquid suction port and the first end of the driving shaft have the effect of closely sucking.
Wherein, an O-ring is arranged between the outer wall of the first end of the driving shaft and the inner wall of the liquid suction port. Thus, the liquid suction port and the first end of the driving shaft have the effect of closely sucking.
The liquid sucking pipe fitting is provided with a liquid sucking opening and two liquid outlets, the liquid sucking opening is positioned at the first end of the liquid sucking pipe fitting and is connected with the first end of the through channel, and the second end of the liquid sucking pipe fitting is fixed on the rear cover by a positioning element. Therefore, the liquid suction piece can directly suck and discharge the tissue scraps in the through channel through the liquid suction pipe piece.
The liquid suction pipe fitting is provided with two split-flow ports, the two split-flow ports are opposite in radial direction, one ends of the two split-flow pipes are respectively connected with the two split-flow ports, and the other ends of the two split-flow pipes form the two liquid outlets. Therefore, the tissue scraps can be split and dispersed towards two opposite directions, so that the agglomeration of the tissue scraps is reduced, the tissue scraps can be prevented from being blocked in the liquid suction pipe, and the effect of smoothness of the flow of the tissue scraps can be improved.
Wherein, these two liquid outlets are connected to this discharge port or this drawing liquid spare respectively. Therefore, the liquid suction piece can directly suck and discharge the tissue scraps in the through channel through the liquid suction pipe piece.
Drawings
Fig. 1: a cross-sectional view of a first preferred embodiment of the present invention;
Fig. 2: a cross-sectional view of a second preferred embodiment of the present invention;
Fig. 3: a perspective view of a second preferred embodiment of the present invention.
Description of the reference numerals
1 Casing body
11 Hollow cylinder
12 Front cover
13 Rear cover
14 Through holes
15 Water retaining ring
16 Discharge hole
2 Drive module
21 Drive shaft
22 Knife tool
23 Power element
24 Bearing
25 Chuck
26 Clamping jaw
27 Through channel
28 Fixing seat
3 Imbibition pipe fitting
31 Liquid suction port
32 Liquid outlet
33O-ring
34 Positioning element
35 Shunt opening
36 Shunt tube
P liquid pumping piece
S, positioning elements.
Detailed Description
In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below; in addition, the same symbols in different drawings are denoted as the same, and the description thereof will be omitted.
Referring to fig. 1, a first embodiment of a driving device for a surgical cutting tool according to the present invention includes a housing 1, a driving module 2, and at least one fluid-extracting member P, wherein the driving module 2 is disposed in the housing 1 for driving a driving shaft 21 to rotate a tool 22 (as shown in fig. 3), and the fluid-extracting member P is used for removing tissue fragments cut by the tool 22.
The housing 1 may have a hollow cylinder 11, the hollow cylinder 11 having two openings so that the driving module 2 may be mounted in the hollow cylinder 11. The two openings of the housing 1 can be respectively combined by a front cover 12 and a rear cover 13. The front cover 12 and the rear cover 13 can be coupled to the two ends of the housing 1 by means of fastening or screw locking, and the invention is not limited thereto, in this embodiment, the front cover 12 and the rear cover 13 are fixed to the two ends of the housing 1 by positioning elements S, so that the front cover 12 and the rear cover 13 can be conveniently disassembled and assembled to the driving module 2, and the hollow cylinder 11 can be conveniently cleaned. The front cover 12 has a through hole 14, the rear cover 13 has a plurality of discharge holes 16, and each discharge hole 16 can be connected with a pumping pipe or a pumping liquid pumping part P, which can be used for sucking tissue fragments and liquid in the hollow cylinder 11.
The driving module 2 is located in the hollow cylinder 11, the driving module 2 has a driving shaft 21, the driving shaft 21 can be driven to rotate by a power element 23, the power element 23 can be a conventional inner rotor motor, the driving shaft 21 can be supported by at least one bearing 24, so that the driving shaft 21 can rotate stably relative to the shell 1, preferably, a fixing seat 28 can be further located in the hollow cylinder 11, the fixing seat 28 can be fixed on the wall forming the hollow cylinder 11 by a positioning element S such as a bolt, and the first end of the driving shaft 21 extends into the hollow cylinder 11 through the fixing seat 28; the second end of the driving shaft 21 extends from the through hole 14 of the front cover 12, and preferably, a water blocking ring 15 is arranged between the second end and the through hole 14; the second end of the driving shaft 21 is connected to a chuck 25, and the chuck 25 may be a chuck of a conventional machine tool, and the tool 22 may be clamped and fixed by a plurality of clamping jaws 26, which will be understood by those skilled in the art, and the present invention will not be described herein.
The driving shaft 21 has a through channel 27, the through channel 27 axially penetrates opposite ends of the driving shaft 21, so that the second end of the through channel 27 can be aligned and communicated with the center of the chuck 25, and the first end of the through channel 27 faces the rear cover 13 and is located on the hollow cylinder 11, thereby the tissue fragments and liquid cut by the cutter 22 can be guided to the hollow cylinder 11 through the through channel 27, and pumped and discharged by the pumping member P through the plurality of discharge holes 16 of the rear cover 13.
Referring to fig. 2 and 3, in a second embodiment of the driving device of the surgical cutting tool of the present invention, in the present embodiment, the driving device further comprises a suction tube 3, the suction tube 3 has a suction port 31 and a plurality of liquid outlets 32, the suction port 31 is connected to the first end of the through channel 27, in the present embodiment, the diameter of the suction port 31 may be larger than the outer diameter of the first end of the driving shaft 21, so that the first end of the driving shaft 21 may extend into the suction port 31, preferably, an O-ring 33 is provided between the outer wall of the first end of the driving shaft 21 and the inner wall of the suction port 31, so that the driving shaft 21 may smoothly rotate relative to the suction port 31 and not leak; the plurality of liquid outlets 32 are respectively opposite to the discharge holes 16 of the rear cover 13 and can be communicated with the liquid pumping member P, so that the liquid pumping member P can respectively suck the tissue scraps and the liquid in the through channel 27 through the liquid outlets 32, thereby having more discharge channels and respectively forming suction force on the through channel 27, so as to prevent the through channel 27 from being blocked by the tissue scraps cut by the cutter 22, and improve the smoothness of the flow of the tissue scraps.
In this embodiment, the liquid sucking pipe 3 has a liquid sucking hole 31 and two liquid outlets 32, the liquid sucking hole 31 is located at a first end of the liquid sucking pipe 3, the liquid sucking hole 31 is connected to a first end of the through channel 27, a second end of the liquid sucking pipe 3 can be fixed to the rear cover 13 by a positioning element 34, the liquid sucking pipe 3 has two split-flow holes 35, the two split-flow holes 35 can be radially opposite, one ends of two split-flow pipes 36 are respectively connected to the two split-flow holes 35, the other ends of the two split-flow pipes 36 form the two liquid outlets 32, and the two liquid outlets 32 are respectively connected to the discharge hole 16 or the liquid sucking piece P to form suction force. Thereby, tissue debris can be sucked out of the two liquid outlets 32. It should be noted that, by the two shunt tubes 36, the tissue fragments are shunted and sucked out from two diametrically opposite sides, so that the tissue fragments can be shunted and dispersed in two opposite directions, so as to reduce the agglomeration of the tissue fragments, and prevent the tissue fragments from being blocked in the liquid suction tube 3, so as to promote the smoothness of the flow of the tissue fragments.
Referring to fig. 3 again, the cutter 22 is a hollow tube, when the cutter 22 is combined with the chuck 25, the hollow portion of the cutter 22 may be located at the center of the chuck 25, and the hollow portion of the cutter 22 may be in communication with the through channel 27 of the driving shaft 21. Therefore, when the driving device of the surgical cutting tool of the present invention is used, the driving module 2 can drive the tool 22 to rotate at a high speed, so that the edge of the tool 22 can cut the tissue to be removed. And simultaneously, the suction provided by the pump can enable the tissue fragments cut by the blade part to enter the through channel 27 of the driving shaft 21 and enter the hollow cylinder 11 or the liquid suction pipe 3, and the tissue fragments can be sucked out by the liquid suction piece P, so that the through channel 27 can be prevented from being blocked by the tissue fragments cut by the cutter 22, and the operation can be smoothly performed.
In summary, in the driving device of the surgical cutting tool according to the present invention, the rear cover has a plurality of discharge holes, or the liquid suction pipe has a plurality of liquid outlets, each discharge hole or each liquid outlet may be connected to a liquid suction member such as a pump, and the liquid suction member may be used to suck tissue fragments and liquid in the hollow cylinder or the through channel of the driving shaft, so that a plurality of discharge channels are provided, and suction forces may be respectively formed on the through channel, so that the tissue fragments cut by the tool may be sucked out by the liquid suction member, thereby preventing the through channel from being blocked by the tissue fragments cut by the tool, avoiding surgical interruption caused by the blockage of the tissue fragments, and achieving the effect of improving the smoothness of the surgery.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention, and it is intended to cover all modifications as fall within the spirit and scope of the present invention as defined by the appended claims.
Claims (10)
1. A surgical cutting tool drive apparatus, comprising:
a shell with a hollow cylinder body, wherein the hollow cylinder body is provided with two openings, the two openings are respectively used for combining a front cover and a rear cover, the front cover is provided with a through hole, the rear cover is provided with a plurality of discharge holes, and each discharge hole is used for connecting a liquid pumping piece; and
The driving module is positioned in the shell, the driving module is provided with a driving shaft driven by a power element to rotate, a second end of the driving shaft extends out of the through hole of the front cover, the second end of the driving shaft is connected with a chuck, the chuck clamps a cutter by a plurality of clamping jaws, the driving shaft is provided with a through channel, the through channel axially penetrates through two opposite ends of the driving shaft, a first end of the through channel faces the rear cover and is positioned in the hollow cylinder, and a second end of the through channel is aligned and communicated with the center of the chuck.
2. The surgical cutter driving device according to claim 1, wherein the hollow cylinder has a fixing seat therein, and the first end of the driving shaft passes through the fixing seat and is located in the hollow cylinder.
3. The surgical cutter drive of claim 1, wherein a water stop ring is provided between the second end of the drive shaft and the throughbore.
4. The surgical cutter drive of claim 1, wherein the drive shaft is supported by at least one bearing.
5. The surgical cutter driving device according to any one of claims 1 to 4, further comprising a suction tube having a suction port and a plurality of liquid outlets, wherein the suction port is connected to the first end of the through passage, and the plurality of liquid outlets are respectively opposite to the discharge holes of the rear cover and are communicated with the suction member.
6. The surgical cutter drive of claim 5, wherein the aspiration port has a larger diameter than the outer diameter of the first end of the drive shaft, the first end of the drive shaft extending into the aspiration port.
7. The surgical cutter drive of claim 5, wherein an O-ring is provided between the outer wall of the first end of the drive shaft and the inner wall of the aspiration port.
8. The surgical knife driving device as claimed in claim 5, wherein the aspiration tube has an aspiration port and two aspiration ports, the aspiration port being located at the first end of the aspiration tube and connected to the first end of the through passage, the second end of the aspiration tube being secured to the back cover by a positioning member.
9. The surgical knife drive of claim 8 wherein the aspiration tube has two split-flow ports radially opposite one another, one end of each of the two split-flow tubes being connected to the two split-flow ports, the other end of each of the two split-flow tubes defining the two fluid outlets.
10. The surgical cutter driving device according to claim 9, wherein the two liquid outlets are connected to the discharge hole or the liquid suction member, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211423752.XA CN118044859A (en) | 2022-11-15 | 2022-11-15 | Driving device of surgical cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211423752.XA CN118044859A (en) | 2022-11-15 | 2022-11-15 | Driving device of surgical cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118044859A true CN118044859A (en) | 2024-05-17 |
Family
ID=91047101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211423752.XA Pending CN118044859A (en) | 2022-11-15 | 2022-11-15 | Driving device of surgical cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118044859A (en) |
-
2022
- 2022-11-15 CN CN202211423752.XA patent/CN118044859A/en active Pending
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