CN204468259U - A kind of high frequency electrosurgical operating theater instruments and actuating unit thereof - Google Patents
A kind of high frequency electrosurgical operating theater instruments and actuating unit thereof Download PDFInfo
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- CN204468259U CN204468259U CN201420870742.5U CN201420870742U CN204468259U CN 204468259 U CN204468259 U CN 204468259U CN 201420870742 U CN201420870742 U CN 201420870742U CN 204468259 U CN204468259 U CN 204468259U
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- holder arms
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- stop bit
- felt pad
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Abstract
This utility model provides a kind of high frequency electrosurgical operating theater instruments and actuating unit thereof, and described actuating unit comprises: nipper units, and described nipper units can be opened or be closed under the driving of the trigger of handheld component; Described nipper units comprises the first holder arms and the second holder arms; Described first holder arms can pivotable be connected by pivot with described second holder arms; Described first holder arms is provided with at least one hole, in described hole, is provided with felt pad; When described nipper units is in closure state, the contacted inner surfaces of the described felt pad on described hole and described second holder arms, to form closed gap between described first holder arms and the second holder arms; Solving in prior art the stop bit parts that insulate is fitted on the inner surface of clamp, exists and is stripped the risk come off, and provides a kind of structure simple, safe and reliable high frequency electrosurgical operating theater instruments and actuating unit thereof.
Description
Technical field
This utility model relates to surgical operating instrument field, particularly, relates to a kind of high frequency electrosurgical operating theater instruments and actuating unit thereof.
Background technology
High frequency electrosurgical operating theater instruments is for electric coagulation hemostasis in operation process and/or the surgical operating instrument that cuts and organizes, generally applies clinically.At present, high frequency electrosurgical operating theater instruments not only can be used for open surgery, also can use in the endoscope-assistant surgeries such as peritoneoscope.
High frequency electrosurgical operating theater instruments generally includes with the clamp of electrode, handle, connection wire, high frequency generator and foot switch etc.High frequency generator exports high frequency electric, and electric current provides high-frequency electrical energy by the electrode be separately positioned on two clamps to body tissue, the tissue dewatering between two electrodes is solidified, thus reaches the object of electric coagulation hemostasis.Because the heating of electrode adhesion organization can form eschar between the two poles of the earth that it should be noted that high frequency electrosurgical operating theater instruments, or touch tissue fluid, make to form short circuit between the two poles of the earth, affect the output of energy and the result of use of apparatus; In addition, the bad contact that also can cause electrode local of the flatness in electrode machining process, forms short circuit, affects the result of use of apparatus.Therefore when the described jaws close with electrode, need to there is certain closed gap between guarantee two electrodes, thus make the state keeping insulation between two electrodes, when avoiding jaws close, there is the risk of short circuit in apparatus.
Therefore, prior art provides a kind of high frequency electrosurgical operating theater instruments with against short-circuit stop bit parts, wherein, the inner surface of at least one clamp section is provided with the stop bit parts of insulation, thus make when the jaws are closed, certain closed gap can be kept between two clamp section.But insulation stop bit parts of the prior art are fitted on the inner surface of clamp, at operation process, when utilizing this clamp grasping tissue, described insulation stop bit parts existence is stripped the risk come off; In addition, if these insulation stop bit parts be by welding mode be fitted on described clamp, welding process in be easy to introduce impurity, thus increase surgical patient occur after surgery infect risk.
Summary of the invention
Problem to be solved in the utility model is high frequency electrosurgical operating theater instruments of the prior art, its insulation stop bit parts are fitted on the inner surface of clamp, exist in operation process and be stripped the risk come off, and due to may impurity be introduced thus the risk of increase patient postoperative infection, there is provided a kind of structure simple, safe and reliable high frequency electrosurgical operating theater instruments and actuating unit thereof.
To achieve these goals, this utility model provides a kind of actuating unit of high frequency electrosurgical operating theater instruments, comprising:
Nipper units, described nipper units expansible or closed, described nipper units comprises the first holder arms and the second holder arms; Described first holder arms can pivotable be connected by pivot with described second holder arms;
Described first holder arms is provided with at least one hole, in described hole, is provided with felt pad; When described nipper units is in closure state, the contacted inner surfaces of the described felt pad on described hole and described second holder arms, to form closed gap between described first holder arms and the second holder arms.
Preferably, described second holder arms is provided with at least one conductive stop bit protruding, and the position of described stop bit projection is corresponding with the position in the described hole on described first holder arms; When described nipper units is in closure state, the described felt pad on described hole and the described stop bit projection corresponding with its position offset, to form closed gap between described first holder arms and the second holder arms.
Preferably, the quantity in the described hole on described first holder arms is 2 ~ 10.
Preferably, the quantity of the described stop bit projection on described second holder arms is 2 ~ 10.
Preferably, the quantity in the described hole be arranged on described first holder arms is more than or equal to the quantity of the described stop bit projection be arranged on described second holder arms.
Preferably, when described nipper units closes, the described stop bit projection on described second holder arms and the contact area of the described felt pad on described first holder arms are less than or equal to the whole area of described felt pad.
Further, this utility model provides a kind of high frequency electrosurgical operating theater instruments, comprising: handheld component, and described handheld component comprises triggering unit, for generation of driving;
Connecting rod, described connecting rod distally extends from described handheld component;
Actuating unit, described actuating unit is arranged on the far-end of described connecting rod, it is characterized in that, described actuating unit comprises:
Nipper units, described nipper units can be opened or be closed under the driving of the described triggering unit of described handheld component; Described nipper units comprises the first holder arms and the second holder arms; Described first holder arms can pivotable be connected by pivot with described second holder arms;
Described first holder arms is provided with at least one hole, in described hole, is provided with felt pad; When described nipper units is in closure state, the contacted inner surfaces of the described felt pad on described hole and described second holder arms, to form closed gap between described first holder arms and the second holder arms.
Preferably, described second holder arms is provided with at least one conductive stop bit protruding, and the position of described stop bit projection is corresponding with the position in the described hole on described first holder arms; When described nipper units is in closure state, the described felt pad on described hole and the described stop bit projection corresponding with its position offset, to form closed gap between described first holder arms and the second holder arms.
Preferably, the quantity in the described hole on described first holder arms is 2 ~ 10.
Preferably, the quantity of the described stop bit projection on described second holder arms is 2 ~ 10.
Preferably, the quantity in the described hole be arranged on described first holder arms is more than or equal to the quantity of the described stop bit projection be arranged on described second holder arms.
Preferably, when described nipper units closes, the described stop bit projection on described second holder arms and the contact area of the described felt pad on described first holder arms are less than or equal to the whole area of described felt pad.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. this utility model provides a kind of actuating unit of high frequency electrosurgical operating theater instruments, comprises nipper units, described nipper units expansible or closed, and described nipper units comprises the first holder arms and the second holder arms; Described first holder arms can pivotable be connected by pivot with described second holder arms; Described first holder arms is provided with at least one hole, in described hole, is provided with felt pad; When described nipper units is in closure state, the contacted inner surfaces of the described felt pad on described hole and described second holder arms, to form closed gap between described first holder arms and the second holder arms.Owing to described felt pad being arranged in the hole on described first holder arms, increase the contact area of described felt pad and described first holder arms, thus greatly reducing in operation process, felt pad is stripped the risk come off, and adds the reliability of this high frequency electrosurgical operating theater instruments.Further, preferably, described felt pad is connected in described hole by having the gluing of better biocompatibility, not only strengthens the laminating of described felt pad and described first holder arms, also greatly reduces the risk that postoperative infection appears in patient.
2. the actuating unit of high frequency electrosurgical operating theater instruments described in the utility model, described second holder arms is provided with at least one conductive stop bit protruding, and the position of described stop bit projection is corresponding with the position in the described hole on described first holder arms; When described nipper units is in closure state, the described felt pad on described hole and the described stop bit projection corresponding with its position offset, to form closed gap between described first holder arms and the second holder arms.Matched with corresponding felt pad by described conductive stop bit projection, closed gap reliably can be formed between described first holder arms and the second holder arms, thus efficiently avoid the situation appearance that two holder arms surface contact form apparatus short circuit.Further, the protruding and/or described felt pad of described conductive stop bit can also play the effect grasping tissue, prevent tissue from sliding, thus can more firmly grasping tissue, doctor is operated more laborsaving.
3. the actuating unit of high frequency electrosurgical operating theater instruments described in the utility model, the quantity being arranged on the described hole on described first holder arms is more than or equal to the quantity of the described stop bit projection be arranged on described second holder arms, namely the quantity being arranged on the described felt pad on described first holder arms is more than or equal to the quantity of the described stop bit projection on described second holder arms, ensure that the closed gap between the first holder arms and the second holder arms further, improve the reliability of apparatus.
4. the actuating unit of high frequency electrosurgical operating theater instruments described in the utility model, when described nipper units closes, described stop bit projection on described second holder arms and the contact area of the described felt pad on described first holder arms are less than or equal to the whole area of described felt pad, there is deviation in the stop bit avoiding the problem due to the accuracy of manufacture to cause position that is protruding and/or felt pad, thus cause the protruding and described felt pad of described stop bit due to the problem of corresponding the do not caused apparatus short circuit in position, ensure that the closed gap between the first holder arms and the second holder arms, improve the reliability of apparatus.
5. the actuating unit of high frequency electrosurgical operating theater instruments described in the utility model, simple and reliable for structure, technological feasibility is high, while the described jaws close gap of guarantee, improves the service life of apparatus.
6., owing to have employed above-mentioned actuating unit, the HF surgery apparatus that this utility model provides has all advantages of above-mentioned actuating unit.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, this utility model is described in further detail, wherein:
Fig. 1 is the actuating unit schematic diagram of high frequency electrosurgical operating theater instruments described in the utility model;
Fig. 2 is the schematic diagram of the first holder arms of nipper units described in the utility model;
Fig. 3 is the sectional view in the described hole of the first holder arms described in the utility model;
Fig. 4 is the schematic diagram of the second holder arms of nipper units described in the utility model;
Fig. 5 is the schematic diagram of high frequency electrosurgical operating theater instruments described in the utility model.
Description of reference numerals
1-actuating unit, 2-nipper units, 21-first holder arms, 211-hole, 212-first electrode, 213-first groove, 22-second holder arms, 221-stop bit is protruding, 222-second electrode, 223-second groove, 3-pivot, 4-handheld component, 41-triggering unit, 42-exciting switch, 5-connecting rod.
Detailed description of the invention
Describe the embodiment of ultrasonic surgical instruments described in the utility model below with reference to accompanying drawings in detail.Term used herein " far-end " refers to part from the apparatus away from user (doctor) or parts, and term " near-end " refers to from the part close to user (doctor) or parts.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of this utility model, is not limited to this utility model.
As preferred implementation of the present utility model, as shown in Figure 1, a kind of actuating unit 1 of high frequency electrosurgical operating theater instruments, comprising: nipper units 2, described nipper units 2 expansible or closed, described nipper units 2 comprises the first holder arms 21 and the second holder arms 22; Described first holder arms 21 can pivotable be connected by pivot 3 with described second holder arms 22; Described first holder arms 21 is provided with at least one hole 211, in described hole 211, is provided with felt pad; When described nipper units 2 is in closure state, the contacted inner surfaces of the described felt pad on described hole 211 and described second holder arms 22, to form closed gap between described first holder arms and the second holder arms.
As alternative embodiment, on the basis of above-mentioned embodiment, preferably, described second holder arms 22 is provided with at least one conductive stop bit projection 221, and the position of described stop bit projection 221 is corresponding with the position in the described hole 211 on described first holder arms 21; When described nipper units 2 is in closure state, the described felt pad on described hole 211 and the described stop bit projection 221 corresponding with its position offset, to form closed gap between described first holder arms 21 and the second holder arms 22.
Further, Fig. 2 is the schematic diagram of described first holder arms 21 of high frequency electrosurgical operating theater instruments described in the utility model, described first holder arms 21 comprises the first electrode 212, described first electrode 212 is made up of conductive material, the surface covering described first holder arms 21 at least partially of described first electrode 212, makes the inner surface of described first holder arms 21 to conduct electricity.Described first electrode 212 of described first holder arms 21 arranges at least one hole 211.The sectional view in the hole of the first holder arms 21 described in present embodiment as shown in Figure 3, is provided with felt pad in described hole 211, and preferably, described felt pad is by having the glue of better biocompatibility in described hole 211.The height of described felt pad is not less than the degree of depth in described hole 211, and preferably, when described felt pad is pasted onto after in described hole 211, described felt pad slightly exceeds the inner surface of described first holder arms 21.
Further, Fig. 4 is the schematic diagram of described second holder arms 22 of high frequency electrosurgical operating theater instruments described in the utility model, described second holder arms 22 comprises the second electrode 222, described second electrode 222 is made up of conductive material, and the surface covering described second holder arms 22 at least partially of described second electrode 222, the inner surface of described second holder arms 22 can be conducted electricity.Described second electrode 222 of described second holder arms 22 arranges at least one conductive stop bit projection 221.The position of described stop bit projection 221 is corresponding with the position in the described hole 211 on described first holder arms 21, particularly, the position of described stop bit projection 221 is corresponding with the position of the felt pad on described first holder arms 21, namely, when described first holder arms 21 is in closure state with described second holder arms 22, described stop bit protruding 221 offsets with the described felt pad in described hole 211.
As alternative embodiment, on the basis of above-mentioned embodiment, described first holder arms 21 can be provided with 2 ~ 10 described holes 211, preferably, described first holder arms 21 be provided with 4 ~ 8 described holes 211.It should be noted that the quantity in the described hole 211 on described first holder arms 21 can be selected according to actual needs.
As alternative embodiment, on the basis of above-mentioned embodiment, described second holder arms 22 can be provided with 2 ~ 10 described conductive stop bit projections 221, preferably, described second holder arms 42 can be provided with 4 ~ 8 described conductive stop bit projections 221.It should be noted that the quantity of the described conductive stop bit projection 221 on described second holder arms 22 can be selected according to actual needs.
In the above-described embodiment, the quantity in the described hole 211 be arranged on described first holder arms 21 is more than or equal to the quantity of the described stop bit projection 221 be arranged on described second holder arms 22.
As alternative embodiment, on the basis of above-mentioned embodiment, further, during in order to ensure that described nipper units 2 closes better, closed gap is there is between described first holder arms 21 and described second holder arms 22, preferably, when described nipper units 2 closes, the described stop bit protruding 221 on described second holder arms 22 and the contact area of the described felt pad on described first holder arms 22 are less than or equal to the whole area of described felt pad.
As preferred implementation of the present utility model, further, this utility model provides a kind of high frequency electrosurgical operating theater instruments, as shown in Figure 5, comprises handheld component 4, and described handheld component 4 comprises triggering unit 41, for generation of driving; Connecting rod 5, described connecting rod 5 distally extends from described handheld component 4.Preferably, the afterbody of described handheld component 4 to be connected with high frequency main frame (not shown) by wire, and is controlled by the output that the exciting switch 42 being arranged on described handheld component 4 top realizes high-frequency electrical energy.
Further, the high frequency electrosurgical operating theater instruments described in present embodiment, comprises actuating unit 1 described in above-mentioned arbitrary embodiment, and described actuating unit 1 is arranged on the far-end of described connecting rod 5.Particularly, described actuating unit 1 comprises nipper units 2, and described nipper units 2 can be opened or be closed under the driving of the described triggering unit 41 of described handheld component 4; Described nipper units 2 comprises the first holder arms 21 and the second holder arms 22; Described first holder arms 21 can pivotable be connected by pivot 3 with described second holder arms 22.By pulling described triggering unit 41, described first holder arms 21 and described second holder arms 22 pivotally 3 rotations are also final closed.Described actuating unit 1, comprising: nipper units 2, described nipper units 2 expansible or closed, and described nipper units 2 comprises the first holder arms 21 and the second holder arms 22; Described first holder arms 21 can pivotable be connected by pivot 3 with described second holder arms 22; Described first holder arms 21 is provided with at least one hole 211, in described hole 211, is provided with felt pad; When described nipper units 2 is in closure state, the contacted inner surfaces of the described felt pad on described hole 211 and described second holder arms 22, to form closed gap between described first holder arms 21 and the second holder arms 22.
Preferably, on the basis of above-mentioned embodiment, described second holder arms 22 is provided with at least one conductive stop bit projection 221, and the position of described stop bit projection 221 is corresponding with the position in the described hole 211 on described first holder arms 21; When described nipper units 2 is in closure state, the described felt pad on described hole 211 and the described stop bit projection 221 corresponding with its position offset, to form closed gap between described first holder arms 21 and the second holder arms 22.
Further, in the present embodiment, described high frequency electrosurgical apparatus also comprises cutting blade (not shown), and described cutting blade is used for when described nipper units 2 closes, and cuts the tissue be clamped in described nipper units 2.Particularly, as shown in Figure 2 and Figure 4, described first holder arms 21 offers the first groove 213 along the y direction of described high frequency electrosurgical operating theater instruments, described second holder arms 22 offers the second groove 223 along described y direction, after described nipper units 2 is closed, described first groove 213 is relative with described second groove 223, thus forms the cutting blade sliding channel being suitable for described cutting blade and sliding.
Obviously, above-mentioned embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (12)
1. an actuating unit for high frequency electrosurgical operating theater instruments, is characterized in that, comprising:
Nipper units, described nipper units expansible or closed, described nipper units comprises the first holder arms and the second holder arms; Described first holder arms can pivotable be connected by pivot with described second holder arms;
Described first holder arms is provided with at least one hole, in described hole, is provided with felt pad; When described nipper units is in closure state, the contacted inner surfaces of the described felt pad on described hole and described second holder arms, to form closed gap between described first holder arms and described second holder arms.
2. actuating unit according to claim 1, is characterized in that, described second holder arms is provided with at least one conductive stop bit protruding, and the position of described stop bit projection is corresponding with the position in the described hole on described first holder arms; When described nipper units is in closure state, the described felt pad on described hole and the described stop bit projection corresponding with its position offset, to form closed gap between described first holder arms and described second holder arms.
3. actuating unit according to claim 1 and 2, is characterized in that, the quantity in the described hole on described first holder arms is 2-10.
4. actuating unit according to claim 2, is characterized in that, the quantity of the described stop bit projection on described second holder arms is 2-10.
5. actuating unit according to claim 2, is characterized in that, the quantity being arranged on the described hole on described first holder arms is more than or equal to the quantity of the described stop bit projection be arranged on described second holder arms.
6. actuating unit according to claim 2, it is characterized in that, when described nipper units closes, the described stop bit projection on described second holder arms and the contact area of the described felt pad on described first holder arms are less than or equal to the whole area of described felt pad.
7. a high frequency electrosurgical operating theater instruments, comprising:
Handheld component, described handheld component comprises triggering unit, for generation of driving;
Connecting rod, described connecting rod distally extends from described handheld component;
Actuating unit, described actuating unit is arranged on the far-end of described connecting rod, it is characterized in that,
Described actuating unit comprises:
Nipper units, described nipper units can be opened or be closed under the driving of the described triggering unit of described handheld component; Described nipper units comprises the first holder arms and the second holder arms;
Described first holder arms can pivotable be connected by pivot with described second holder arms;
Described first holder arms is provided with at least one hole, in described hole, is provided with felt pad;
When described nipper units is in closure state, the contacted inner surfaces of the described felt pad on described hole and described second holder arms, to form closed gap between described first holder arms and described second holder arms.
8. high frequency electrosurgical operating theater instruments according to claim 7, it is characterized in that, described second holder arms is provided with at least one conductive stop bit protruding, and the position of described stop bit projection is corresponding with the position in the described hole on described first holder arms; When described nipper units is in closure state, the described felt pad on described hole and the described stop bit projection corresponding with its position offset, to form closed gap between described first holder arms and described second holder arms.
9. the high frequency electrosurgical operating theater instruments according to claim 7 or 8, is characterized in that, the quantity in the described hole on described first holder arms is 2-10.
10. high frequency electrosurgical operating theater instruments according to claim 8, is characterized in that, the quantity of the described stop bit projection on described second holder arms is 2-10.
11. high frequency electrosurgical operating theater instruments according to claim 8, is characterized in that, the quantity being arranged on the described hole on described first holder arms is more than or equal to the quantity of the described stop bit projection be arranged on described second holder arms.
12. high frequency electrosurgical operating theater instruments according to claim 8, it is characterized in that, when described nipper units closes, the described stop bit projection on described second holder arms and the contact area of the described felt pad on described first holder arms are less than or equal to the whole area of described felt pad.
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| CN201420870742.5U CN204468259U (en) | 2014-12-25 | 2014-12-25 | A kind of high frequency electrosurgical operating theater instruments and actuating unit thereof |
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| CN201420870742.5U CN204468259U (en) | 2014-12-25 | 2014-12-25 | A kind of high frequency electrosurgical operating theater instruments and actuating unit thereof |
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| CN204468259U true CN204468259U (en) | 2015-07-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877837A (en) * | 2014-12-25 | 2016-08-24 | 瑞奇外科器械(中国)有限公司 | High-frequency electric surgical operating instrument and execution device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105877837A (en) * | 2014-12-25 | 2016-08-24 | 瑞奇外科器械(中国)有限公司 | High-frequency electric surgical operating instrument and execution device thereof |
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Address after: 300457 Tianjin economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 Tianjin economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Patentee before: Reach Surgical Instrument (China) Co.,Ltd. |