CN211300206U - Mounting structure of tool bit in ultrasonic cutting hemostatic knife - Google Patents
Mounting structure of tool bit in ultrasonic cutting hemostatic knife Download PDFInfo
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- CN211300206U CN211300206U CN201921961957.7U CN201921961957U CN211300206U CN 211300206 U CN211300206 U CN 211300206U CN 201921961957 U CN201921961957 U CN 201921961957U CN 211300206 U CN211300206 U CN 211300206U
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- 230000002439 hemostatic effect Effects 0.000 title claims abstract description 16
- 238000005381 potential energy Methods 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 3
- 230000023597 hemostasis Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses a mounting structure of a cutter head in an ultrasonic cutting hemostatic knife, which relates to the technical field of hemostatic knives, wherein a cutter bar comprises an outer sleeve rod and an inner rod, the cutter head comprises a clamping piece and a fixing piece, the fixing piece is fixedly arranged at the end part of the inner rod, the mounting structure comprises a chute, a pushing piece, a clamping piece and a positioning hole, the pushing piece comprises a push plate and a limiting plate, and a first elastic reset piece is arranged between one side of the limiting plate, which is far away from the push plate, and the inner side wall of the; the clamping piece comprises a lug, a second elastic resetting piece and an elastic block, a through groove is formed between the lug and the outer loop bar, and the elastic block and the second elastic resetting piece are arranged in the through groove; the locating hole is opened on the holder. Only need remove the holder during installation and promote the push pedal and can utilize the elasticity piece to connect the locating hole and carry out the card and decide and connect, during the dismantlement, two fingers are pressed two elasticity piece departments respectively by the holder outside, and the direction that deviates from the outer loop bar is removed the holder and can be accomplished the dismantlement, the utility model discloses mounting structure is simple, and the operating personnel of being convenient for dismantles and installs.
Description
Technical Field
The utility model relates to a technical field of hemostatic knife, more specifically say, it relates to a mounting structure of tool bit among ultrasonic cutting hemostatic knife.
Background
The ultrasonic cutting hemostatic scalpel is a surgical minimally invasive surgical instrument with high use frequency, and the instrument is suitable for incision and coagulation of soft tissues needing bleeding control and minimal thermal injury, and the range of a coagulated blood vessel is less than 5 mm.
The current chinese utility model patent that publication number is CN208851583U relates to an ultrasonic surgery cutting hemostatic knife is most advanced, including supersound tool bit, centre gripping inserts, spring catch and supersound cutter arbor, supersound tool bit and centre gripping inserts all set up the tip at the supersound cutter arbor, the spring catch sets up on the supersound cutter arbor, the lower part of centre gripping inserts have with supersound cutter arbor complex breach, run through on the breach have with spring catch complex pinhole, realize that the centre gripping inserts opens and is closed for the supersound tool bit.
However, in the actual use process of the device, when the clamping insert is mounted on the ultrasonic knife bar, the pin head needs to be pressed into the spring pin in advance to mount the clamping insert on the ultrasonic knife bar, and the ultrasonic knife bar is slender, so that the position of the end part for mounting the clamping insert is small, the operation of an operator is inconvenient, and improvement is needed urgently.
SUMMERY OF THE UTILITY MODEL
To this problem in the practical application, the utility model aims to provide a mounting structure of tool bit in ultrasonic cutting hemostatic knife, concrete scheme is as follows:
a cutter head mounting structure in an ultrasonic cutting hemostatic cutter is characterized in that a cutter head is mounted at the end part of a cutter rod, the cutter rod comprises an outer sleeve rod and an inner rod, the inner rod is arranged in the outer sleeved rod, the cutter head comprises a clamping piece and a fixing piece, the fixing piece is fixedly arranged at the end part of the inner rod, the clamping piece is hinged on the inner rod, the mounting structure is arranged between the clamping piece and the outer sleeve rod, the mounting structure comprises sliding chutes, pushing pieces, clamping pieces and positioning holes, the sliding chutes are arranged on two opposite sides of the outer loop bar, the pushing piece comprises a push plate and a limiting plate, the limiting plate is arranged inside the outer loop bar, the push plate is connected with the limiting plate and penetrates through the sliding groove to the outside of the outer loop bar, a first elastic reset piece is arranged between one side of the limiting plate, which is far away from the push plate, and the inner side wall of the outer loop bar;
the clamping piece comprises a convex block, a second elastic reset piece and elastic blocks, the convex block is arranged inside the outer loop bar, a through groove is formed between the convex block and the inner side wall of the outer loop bar, openings at two ends of the through groove are communicated with the sliding groove, two elastic blocks are arranged in the through groove, and the second elastic reset piece is arranged between the two elastic blocks;
the positioning hole is formed in the clamping piece;
when the first elastic resetting piece is at the minimum elastic potential energy value, the limiting plate seals the opening of the through groove, and at the moment, the second elastic resetting piece is at the maximum elastic potential energy value;
when the first elastic reset piece is at the maximum elastic potential energy, the push plate is abutted to the end part of the sliding groove, at the moment, the second elastic reset piece is at the minimum elastic potential energy, and the two elastic blocks deviate from each other and move to the outer part of the outer sleeve rod and penetrate through the positioning hole.
Further preferably, the thickness of the limiting plate is gradually reduced from the direction departing from one side of the push plate.
Further preferably, when the first elastic resetting piece is at the minimum elastic potential energy value, the bump is abutted to the limiting plate.
Further preferably, the circumference of the elastic block is gradually reduced from the side departing from the second elastic restoring member.
Further preferably, one side of the limiting plate departing from the sliding groove and one end of the limiting plate departing from the push plate are in arc surface transition connection.
Further preferably, the area of the sliding chute projected on the limiting plate is smaller than the cross-sectional area of the limiting plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the clamping piece is installed by the end part of the outer sleeve rod, the direction of the axis of the positioning hole aligned with the length of the sliding groove is close to the outer sleeve rod, the clamping piece is firstly abutted to the push plate, the clamping piece is continuously moved towards the direction close to the outer sleeve rod, the clamping piece pushes the push plate to move along the direction close to the outer sleeve rod, the limiting plate is driven to move along the direction close to the outer sleeve rod, at the moment, the first elastic resetting piece is in the state of storing elastic potential energy and moves out of the end part of the through groove until the limiting plate moves out of the end part of the through groove, at the moment, the axis of the positioning hole is aligned with the axis of the through groove, the second elastic resetting piece releases the elastic potential energy, the two elastic blocks move away from each other to penetrate through the positioning hole to be clamped and connected with the clamping piece, then the clamping piece is hinged on the inner rod, the, remove the holder along the direction that deviates from the mantle pole and can accomplish the dismantlement, the utility model discloses mounting structure is simple, and the operating personnel of being convenient for dismantles and installs.
Drawings
Fig. 1 is an overall schematic view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view from above showing the mounting structure;
fig. 3 is a perspective view showing the mounting structure from a left side angle.
Reference numerals: 1. a cutter head; 2. a cutter bar; 3. an outer loop bar; 4. an inner rod; 5. a clamping member; 6. a fixing member; 7. a chute; 8. positioning holes; 9. a limiting plate; 10. pushing the plate; 11. a first elastic reset member; 12. a bump; 13. a second elastic reset piece; 14. an elastic block; 15. a through groove.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in figure 1, a mounting structure of a cutter head in an ultrasonic cutting hemostatic cutter, the cutter head 1 is mounted at the end part of a cutter rod 2, the cutter rod 2 comprises an outer sleeved rod 3 and an inner rod 4, the inner rod 4 is arranged in the outer sleeved rod 3, the cutter head 1 comprises a clamping piece 5 and a fixing piece 6, the fixing piece 6 is fixedly arranged at the end part of the inner rod 4, the clamping piece 5 is hinged to the inner rod 4, and the mounting structure is arranged between the clamping piece 5 and the outer sleeved rod 3.
Referring to fig. 2 and 3, the mounting structure includes a sliding groove 7, a pushing member, a locking member, and a positioning hole 8, the sliding groove 7 is formed on two opposite sides of the outer loop bar 3, the positioning hole 8 is also formed on two opposite sides of the clamping member 5, and the positioning hole 8 is aligned with the sliding groove 7. The pushing piece comprises a pushing plate 10 and a limiting plate 9, the limiting plate 9 is arranged inside the outer loop bar 3, the pushing plate 10 is connected with the limiting plate 9 and penetrates through the outer loop bar 3 from the sliding groove 7, and the area of the projection of the sliding groove 7 on the limiting plate 9 is smaller than the cross-sectional area of the limiting plate 9. A first elastic reset piece 11 is arranged between one side of the limiting plate 9 departing from the push plate 10 and the inner side wall of the outer loop bar 3. Wherein, the thickness of the limiting plate 9 is gradually reduced from the direction deviating from one side of the push plate 10. Meanwhile, one side of the limiting plate 9 departing from the sliding chute 7 and one end of the limiting plate 9 departing from the push plate 10 are in arc surface transition connection.
The clamping piece comprises a convex block 12, a second elastic reset piece 13 and elastic blocks 14, the convex block 12 is arranged inside the outer loop bar 3, a through groove 15 is formed between the convex block 12 and the inner side wall of the outer loop bar 3, openings at two ends of the through groove 15 are communicated with the sliding groove 7, two elastic blocks 14 are arranged in the placing space, and the second elastic reset piece 13 is arranged between the two elastic blocks 14. Wherein, the circumference of the elastic block 14 is gradually reduced from the side departing from the second elastic reset piece 13.
When the first elastic resetting piece 11 is at the minimum elastic potential energy, the bump 12 is abutted against the limiting plate 9, the limiting plate 9 seals the opening of the through groove 15, and at the moment, the second elastic resetting piece 13 is at the maximum elastic potential energy;
when the first elastic reset piece 11 is at the maximum elastic potential energy, the push plate 10 abuts against the end of the sliding groove 7, at this time, the second elastic reset piece 13 is at the minimum elastic potential energy, and the two elastic blocks 14 depart from each other and move to the outside of the outer loop bar 3 and penetrate through the positioning holes 8.
The clamping piece 5 is installed from the end part of the outer loop bar 3, the direction of the axis of the positioning hole 8 aligned with the length of the sliding chute 7 is close to the outer loop bar 3, the clamping piece 5 is firstly abutted to the push plate 10, the clamping piece 5 is continuously moved towards the direction close to the outer loop bar 3, the push plate 10 is pushed by the clamping piece 5 to move along the direction close to the outer loop bar 3, the limiting plate 9 is driven to move along the direction close to the outer loop bar 3, at the moment, the first elastic reset piece 11 is in the state of storing elastic potential energy and moves out of the end part of the through groove 15 until the limiting plate 9 moves out of the end part of the through groove 15, at the moment, the axis of the positioning hole 8 is aligned with the axis of the through groove 15, the second elastic reset piece 13 releases the elastic potential energy, the two elastic blocks 14 move away from each other until the positioning hole 8 is connected with the clamping piece 5 in a clamping way, the clamping, during the dismantlement, two fingers are pressed two elastic blocks 14 departments respectively by the 5 outsides of holder, remove holder 5 along the direction that deviates from overcoat pole 3 and can accomplish the dismantlement, the utility model discloses mounting structure is simple, and the operating personnel of being convenient for dismantles and installs.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a mounting structure of tool bit among ultrasonic cutting hemostasis knife, tool bit (1) is installed in cutter arbor (2) tip, cutter arbor (2) include overcoat pole (3) and interior pole (4), interior pole (4) are located in overcoat pole (3), tool bit (1) includes holder (5) and mounting (6), mounting (6) are fixed to be established in interior pole (4) tip, holder (5) articulate to be established on interior pole (4) and holder (5) with be equipped with mounting structure between overcoat pole (3), its characterized in that, mounting structure includes spout (7), pass piece, clamping piece, locating hole (8), spout (7) are seted up overcoat pole (3) relative both sides, pass the piece and include push pedal (10) and limiting plate (9), limiting plate (9) are arranged in overcoat pole (3) inside, the push plate (10) is connected with the limiting plate (9) and penetrates through the outer sleeve rod (3) from the sliding groove (7), and a first elastic reset piece (11) is arranged between one side of the limiting plate (9) departing from the push plate (10) and the inner side wall of the outer sleeve rod (3);
the clamping piece comprises a convex block (12), a second elastic resetting piece (13) and elastic blocks (14), the convex block (12) is arranged inside the outer loop bar (3), a through groove (15) is formed between the convex block (12) and the inner side wall of the outer loop bar (3), openings at two ends of the through groove (15) are communicated with the sliding groove (7), two elastic blocks (14) are arranged in the through groove (15), and the second elastic resetting piece (13) is arranged between the two elastic blocks (14);
the positioning hole (8) is formed in the clamping piece (5);
when the first elastic resetting piece (11) is at the minimum elastic potential energy, the limiting plate (9) seals the opening of the through groove (15), and at the moment, the second elastic resetting piece (13) is at the maximum elastic potential energy;
when the first elastic reset piece (11) is at the maximum elastic potential energy, the push plate (10) is abutted to the end part of the sliding groove (7), at the moment, the second elastic reset piece (13) is at the minimum elastic potential energy, and the two elastic blocks (14) deviate from each other and move to the outside of the outer loop bar (3) and penetrate through the positioning hole (8).
2. The mounting structure of the cutter head in the ultrasonic cutting hemostatic cutter according to the claim 1, characterized in that the thickness of the limiting plate (9) is gradually reduced from the direction of the side away from the push plate (10).
3. The mounting structure of the cutter head in the ultrasonic cutting hemostatic knife according to claim 1, characterized in that the bump (12) is disposed in abutment with the limiting plate (9) when the first elastic restoring member (11) is at the minimum elastic potential energy.
4. The mounting structure of the cutter head in the ultrasonic cutting hemostatic knife according to claim 1, characterized in that the circumference of the elastic block (14) is gradually reduced from the side away from the second elastic restoring member (13).
5. The mounting structure of the cutter head in the ultrasonic cutting hemostatic knife according to claim 1, wherein one side of the limiting plate (9) departing from the sliding groove (7) is in arc transition connection with one end of the limiting plate (9) departing from the push plate (10).
6. The mounting structure of the cutter head in the ultrasonic cutting hemostatic knife according to claim 1, wherein the area of the sliding groove (7) projected on the limiting plate (9) is smaller than the cross-sectional area of the limiting plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961957.7U CN211300206U (en) | 2019-11-13 | 2019-11-13 | Mounting structure of tool bit in ultrasonic cutting hemostatic knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961957.7U CN211300206U (en) | 2019-11-13 | 2019-11-13 | Mounting structure of tool bit in ultrasonic cutting hemostatic knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211300206U true CN211300206U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961957.7U Active CN211300206U (en) | 2019-11-13 | 2019-11-13 | Mounting structure of tool bit in ultrasonic cutting hemostatic knife |
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| Country | Link |
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| CN (1) | CN211300206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732487A (en) * | 2021-01-07 | 2022-07-12 | 苏州佳世达电通有限公司 | Harmonic knife |
-
2019
- 2019-11-13 CN CN201921961957.7U patent/CN211300206U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732487A (en) * | 2021-01-07 | 2022-07-12 | 苏州佳世达电通有限公司 | Harmonic knife |
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