CN113456177A - Structure for controlling pressure to be uniformly distributed - Google Patents
Structure for controlling pressure to be uniformly distributed Download PDFInfo
- Publication number
- CN113456177A CN113456177A CN202110855018.XA CN202110855018A CN113456177A CN 113456177 A CN113456177 A CN 113456177A CN 202110855018 A CN202110855018 A CN 202110855018A CN 113456177 A CN113456177 A CN 113456177A
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- CN
- China
- Prior art keywords
- tissue
- clamp arm
- gasket
- uniform distribution
- pressure according
- 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
- 238000009827 uniform distribution Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 abstract description 5
- 238000005345 coagulation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 210000001519 tissue Anatomy 0.000 description 52
- 125000006850 spacer group Chemical group 0.000 description 9
- 230000023555 blood coagulation Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
-
- 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
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320072—Working tips with special features, e.g. extending parts
-
- 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
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
Abstract
The invention discloses a structure for controlling uniform pressure distribution, and relates to the field of surgical instruments. The tissue gasket is movably connected with the clamping arm; the tissue pad is capable of deflecting movement relative to the clamp arm in a direction toward the distal or proximal end thereof. In the operation process, the tissue gasket can automatically deflect and move to adjust the position of the tissue gasket after contacting the clamped tissue, so that the closing pressure is more uniform, the coagulation is quickly cut, the success rate of the coagulation in the first cutting is improved, the safety of the operation is ensured, and the surgical instrument is simple in structure and convenient to operate.
Description
Technical Field
The present invention relates to the field of surgical instruments, and more particularly, to a structure for controlling the uniform distribution of pressure.
Background
With the popularization of minimally invasive surgery, an ultrasonic scalpel becomes a conventional surgical instrument and is generally applied to cutting soft tissues and safely closing blood vessels with the diameter of 5mm or less. The ultrasonic scalpel mechanically oscillates the scalpel head at a certain ultrasonic frequency through the ultrasonic frequency generator, and clamps tissues through the jaw clamping part, so that water molecules of the tissues are vaporized, protein hydrogen bonds are broken, and cells are disintegrated, and the tissues are cut or solidified.
In prior art, the clamping position ubiquitous closed pressure of keeping silent phenomenon uneven, the place that the atress is big is cut earlier, is subject to not being influenced by the soft tissue of cutting, can the continuous work, and then wearing and tearing gasket, leads to the operation to cut for the first time simultaneously and congeals and close the success rate and descend, needs the repeated cutting to congeal and close the operation, reduces the operation progress, has increased the risk of operation.
Chinese prior publication No. CN105934209A, discloses an ultrasonic surgical instrument with a stepped grip comprising a grip arm with a grip pad, wherein the grip arm is capable of ultrasonic blade movement to compress tissue between the grip pad and the ultrasonic blade in two stages; the clamp arm is configured to compress the assembly during a first stage with only a distal portion of the clamp pad, while the clamp arm is configured to compress tissue during a second stage with the distal portion and a proximal portion of the clamp pad such that tissue compression begins at the distal portion and then proceeds toward the proximal portion.
The ultrasonic surgical instrument in the above patent adopts the earlier far-off back-near staged clamping structure can improve the uneven problem of closing pressure, but it has increased operating requirement and the degree of difficulty, influences operation efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a structure for controlling the uniform distribution of pressure, which can solve the problem of nonuniform closing pressure and has the advantages of simple structure, simple and convenient operation and wide application range.
In order to achieve the purpose, the invention provides the following technical scheme:
a structure for controlling pressure to be uniformly distributed comprises a clamp arm and a tissue gasket, wherein the tissue gasket is movably connected with the clamp arm; the tissue pad is capable of deflecting movement relative to the clamp arm in a direction toward the distal or proximal end thereof.
Further, the tissue pad is capable of both deflecting movement relative to the clamp arm in a direction toward the distal end thereof and deflecting movement relative to the clamp arm in a direction toward the proximal end thereof.
Furthermore, a positioning pin is arranged on the tissue gasket, and an adjusting groove matched with the positioning pin is formed in the clamp arm.
Furthermore, the tissue gasket is provided with a positioning hole in interference fit with the positioning pin.
Further, the adjusting groove is arc-shaped.
Further, the adjusting groove comprises two groove sections which are symmetrically arranged.
Further, the adjusting groove is arranged in a penetrating mode.
Further, the tissue pad is stepped, including an inset portion; and the clamping arms are internally provided with accommodating grooves matched with the embedded parts.
In conclusion, the invention has the following beneficial effects:
1. in the operation process, the tissue gasket can automatically deflect and move to adjust the position of the tissue gasket after contacting the clamped tissue, so that the closing pressure is more uniform, the blood coagulation is quickly cut, the success rate of the first cutting and coagulation is improved, and the safety of the operation is ensured;
2. the closing pressure is more uniform, the cutting speed is improved, the cut is smooth, and the phenomenon of cutting is avoided;
3. after the pressure is more uniform, excessive loss of the tissue gasket can be avoided, and the service life of the instrument is prolonged;
4. the blood coagulation is quickly cut, the operation progress is improved, and the operation risk is reduced;
5. the structure is simple, the tissue gasket has no specific initial position, an elastic reset structure is not required to be arranged, and the position of the tissue gasket can be automatically adjusted according to the unevenness of the closing pressure in the operation process;
6. the operation is convenient, and the tissue gasket can automatically adjust the position, so that no special requirements are required for the operation, and the normal operation is only required.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a structure for controlling uniform pressure distribution;
FIG. 2 is a schematic structural view of a clamp arm according to an embodiment;
FIG. 3 is a schematic structural view of a tissue patch according to an embodiment;
FIG. 4 is a schematic structural view of the clamp arm of the embodiment after installation.
In the figure: 1. a clamp arm; 11. accommodating grooves; 12. an adjustment groove; 2. tissue pads; 21. an insertion section; 22. positioning holes; 3. positioning pins; 4. a fixed tube; 5. a movable tube; 6. a cutter head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b):
a structure for controlling uniform pressure distribution is disclosed, referring to fig. 1 to 4, and comprises a clamp arm 1 and a tissue gasket 2, wherein the tissue gasket 2 is movably connected with the clamp arm 1; the tissue pad 2 is capable of undergoing a deflecting movement relative to the clamp arm 1 in a direction towards its distal or proximal end; the structure in the embodiment is applied to an ultrasonic scalpel, and the ultrasonic scalpel comprises a fixed tube 4, a movable tube 5 and a scalpel head 6; the clamp arm 1 is hinged with the fixed pipe 4, and the clamp arm 1 is hinged with the movable pipe 5; in this embodiment, the proximal end refers to the end of the clamp arm 1 close to the fixed tube 4, and the distal end refers to the end of the clamp arm 1 far from the fixed tube 4; the movable tube 5 moves along the axial direction to drive the clamp arm 1 to rotate and approach the tool bit 6 to realize clamping action; in the clamping process, the tissue gasket 2 can automatically deflect and move to adjust the position of the tissue gasket after contacting the clamped tissue, so that the closing pressure is more uniform, the coagulation is quickly cut, the success rate of the coagulation in the first cutting is improved, the safety of the operation is ensured, the structure is simple, and the operation is simple and convenient.
Referring to fig. 1, preferably, in this embodiment, the tissue pad 2 is capable of both a deflecting movement relative to the clamp arm 1 in a direction towards its distal end and a deflecting movement relative to the clamp arm 1 in a direction towards its proximal end; the tissue spacer 2 can be deflected and moved in two opposite directions, and can cope with tissues of different forms, and the application range is wide.
Referring to fig. 1, specifically, in the present embodiment, a positioning pin 3 is disposed on a tissue spacer 2, and an adjusting groove 12 matched with the positioning pin 3 is disposed on a clamp arm 1; the positioning pin 3 is embedded in the adjusting groove 12, so that the positioning pin 3 can move along the adjusting groove 12, and the tissue gasket 2 can rotate around the positioning pin 3, so that the tissue gasket 2 can deflect and move; both ends of the tissue pad 2 are movable in this embodiment, so that the pressure can be automatically adjusted to be more uniform no matter the proximal pressure is large or the distal pressure is large.
Referring to fig. 1 to 3, in the present embodiment, specifically, the tissue spacer 2 is provided with a positioning hole 22 in interference fit with the positioning pin 3, and the adjusting groove 12 is arranged in a penetrating manner; meanwhile, the tissue gasket 2 is step-shaped and comprises an embedded part 21, and an accommodating groove 11 matched with the embedded part 21 is formed in the clamp arm 1; in the embodiment, gaps are left at the top end and two ends of the embedding part 21, so that the tissue spacer 2 can deflect and move; the side wall of the embedding part 21 and the inner side wall of the accommodating groove 11 are in transition fit, and the tissue pad 2 can move while limiting.
Referring to fig. 1 to 3, when the tissue spacer 2 is mounted, the insertion portion 21 is inserted into the accommodating groove 11 of the clamp arm 1, so that the positioning hole 22 is opposite to the adjusting groove 12, and then the positioning pin 3 passes through the adjusting groove 12 and the positioning hole 22, so that the tissue spacer 2 can be movably connected with the clamp arm 1, and the structure is simple; the positioning pin 3 is in interference fit with the positioning hole 22, so that the tissue gasket 2 is convenient to mount or replace on one hand, and the positioning pin 3 can be prevented from falling off on the other hand; in other alternative embodiments, other structural forms can be adopted between the positioning pin 3 and the tissue spacer 2, or between the clamp arm 1, the tissue spacer 2 and the positioning pin 3, which is not limited herein, and the tissue spacer 2 can realize the deflection movement relative to the clamp arm 1; in other alternative embodiments, the tissue pad 2 may be attached to a mounting plate or mounting cover, which is then attached to the clamp arm 1, without limitation.
Referring to fig. 1, in the present embodiment, the adjusting groove 12 is used to increase the degree of freedom of the tissue gasket 2, so that the tissue gasket can cope with tissues of different forms, the application range is wide, the closing pressure is more uniform, automatic adjustment can be realized, and the operation is convenient; in the present embodiment, the adjustment slot 12 comprises two slot segments arranged symmetrically, so that the tissue pad 2 can perform deflection movements in two opposite directions; in particular, the adjustment slot 12 is arc-shaped in this embodiment, in other alternative embodiments, the adjustment slot 12 may also be adjustable, without limitation, such as being linear or being rectangular, i.e. comprising two straight intersecting slot sections; the curved adjustment slot 12 provides more degrees of freedom for the tissue patch 2 to provide more uniform closure pressure and facilitate automatic position adjustment of the tissue patch 2 according to the pressure.
Claims (8)
1. The utility model provides a structure of control pressure evenly distributed, includes clamp arm and tissue gasket, its characterized in that: the tissue gasket is movably connected with the clamp arm; the tissue pad is capable of deflecting movement relative to the clamp arm in a direction toward the distal or proximal end thereof.
2. The structure for controlling uniform distribution of pressure according to claim 1, wherein: the tissue pad is capable of both deflecting movement relative to the clamp arm in a direction toward the distal end thereof and deflecting movement relative to the clamp arm in a direction toward the proximal end thereof.
3. The structure for controlling uniform distribution of pressure according to claim 1 or 2, wherein: the tissue gasket is provided with a positioning pin, and the clamp arm is provided with an adjusting groove matched with the positioning pin.
4. The structure for controlling uniform distribution of pressure according to claim 3, wherein: and the tissue gasket is provided with a positioning hole in interference fit with the positioning pin.
5. The structure for controlling uniform distribution of pressure according to claim 3, wherein: the adjusting groove is arc-shaped.
6. The structure for controlling uniform distribution of pressure according to claim 3, wherein: the adjusting groove comprises two groove sections which are symmetrically arranged.
7. The structure for controlling uniform distribution of pressure according to claim 3, wherein: the adjusting groove is arranged in a penetrating way.
8. The structure for controlling uniform distribution of pressure according to claim 1 or 2, wherein: the tissue pad is stepped and comprises an embedded part; and the clamping arms are internally provided with accommodating grooves matched with the embedded parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110855018.XA CN113456177A (en) | 2021-07-28 | 2021-07-28 | Structure for controlling pressure to be uniformly distributed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110855018.XA CN113456177A (en) | 2021-07-28 | 2021-07-28 | Structure for controlling pressure to be uniformly distributed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113456177A true CN113456177A (en) | 2021-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110855018.XA Pending CN113456177A (en) | 2021-07-28 | 2021-07-28 | Structure for controlling pressure to be uniformly distributed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113456177A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030114874A1 (en) * | 2001-11-08 | 2003-06-19 | Craig H. Wayne | Ultrasonic clamp coagulator apparatus having an improved clamping end-effector |
| CN101035482A (en) * | 2004-10-08 | 2007-09-12 | 伊西康内外科公司 | Ultrasonic surgical instrument |
| CN101820825A (en) * | 2007-10-10 | 2010-09-01 | 伊西康内外科公司 | Ultrasonic device for cutting and coagulating |
| CN105792763A (en) * | 2013-11-26 | 2016-07-20 | 伊西康内外科有限责任公司 | Handpiece and blade configurations for ultrasonic surgical instrument |
| US20160296249A1 (en) * | 2007-11-30 | 2016-10-13 | Ethicon Endo-Surgery, Llc | Ultrasonic surgical instrument blades |
| CN210871903U (en) * | 2019-09-29 | 2020-06-30 | 华东数字医学工程研究院 | Ultrasonic scalpel and tissue pad of ultrasonic scalpel |
-
2021
- 2021-07-28 CN CN202110855018.XA patent/CN113456177A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030114874A1 (en) * | 2001-11-08 | 2003-06-19 | Craig H. Wayne | Ultrasonic clamp coagulator apparatus having an improved clamping end-effector |
| CN101035482A (en) * | 2004-10-08 | 2007-09-12 | 伊西康内外科公司 | Ultrasonic surgical instrument |
| CN101820825A (en) * | 2007-10-10 | 2010-09-01 | 伊西康内外科公司 | Ultrasonic device for cutting and coagulating |
| US20160296249A1 (en) * | 2007-11-30 | 2016-10-13 | Ethicon Endo-Surgery, Llc | Ultrasonic surgical instrument blades |
| CN105792763A (en) * | 2013-11-26 | 2016-07-20 | 伊西康内外科有限责任公司 | Handpiece and blade configurations for ultrasonic surgical instrument |
| CN210871903U (en) * | 2019-09-29 | 2020-06-30 | 华东数字医学工程研究院 | Ultrasonic scalpel and tissue pad of ultrasonic scalpel |
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