CN101999918A - Nail bin assembly of circular tube type binding instrument - Google Patents
Nail bin assembly of circular tube type binding instrument Download PDFInfo
- Publication number
- CN101999918A CN101999918A CN 201010592517 CN201010592517A CN101999918A CN 101999918 A CN101999918 A CN 101999918A CN 201010592517 CN201010592517 CN 201010592517 CN 201010592517 A CN201010592517 A CN 201010592517A CN 101999918 A CN101999918 A CN 101999918A
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- nail
- agnail
- nail bin
- pushing slice
- binding instrument
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Abstract
The invention discloses a nail bin assembly of a circular tube type binding instrument, which comprises a nail bin and a nail push seat and a nail push sheet which are arranged in the nail bin, wherein the nail push sheet is fixedly arranged on the far end of the nail push seat, and at least one agnail matched with the surface of the nail bin and used or restricting the resetting of the nail push sheet is arranged on the nail push sheet. The invention has the advantages that an agnail structure is designed on the nail push sheet, secondary striking is avoided because a nail can only go out but can not go in, and a complex safety mechanism for preventing secondary striking is omitted. After the invention is applied to PPH (Procedure for Prolapse and Hemorrhoids), a doctor is not required to tightly hold a handle after striking, because the nail push sheet can not be reset and is tightly butted against the nail when the agnail is clamped on the surface of the nail bin, and the doctor only requires waiting for about 30s at the moment. When two or more than two agnail structures are arranged on the nail push sheet and each agnail structure of the nail push sheet passes by the nail bin during the striking process of the binding instrument, the doctor can feel the compression degree of tissue, and a compression measure is provided for the doctor.
Description
Technical field
The present invention relates to the nail bin groupware of the tubular type binding instrument that a kind of surgical operation uses, belong to technical field of medical instruments.
Background technology
The tubular type binding instrument is the surgical instruments that is widely used in the reconstruction of digestive tract operation, put down in writing a kind of tubular type binding instrument as U.S. Pat 5205459, nail-head component part by circle is formed with the percussion assembly, the tissue that two sections needs are coupled together is placed between the nail anvil and nail bin of nail-head component, adjust nail anvil and nail bin position and make it close and grip tissue, pull the trigger the assembly percussion then nail is shaped, finish the connection of two sections tissues.
Present tubular type binding instrument generally also can be provided with anti-secondary percussion safety, is used to prevent the doctor after having pulled the trigger once, and it is bad to worry that nail is shaped, and pulls the trigger Binding Instrument once more.Because twice percussion process can cause excessive compression to nail, make the good nail of original shaping become lopsided, the safety of mouth is sewed up in influence, comes risk to surgical band.
The doctor is after percussion finishes the tubular type binding instrument, and particularly tubular type hemorrhoid Binding Instrument for " recovery stress " of preventing non-magnetic shim causes the nail shaping not tight, often can held the percussion handle more than 30 seconds after the percussion, and is good to guarantee the nail shaping.30 seconds lasting exerting oneself required great effort concerning the doctor very much, and may cause operative failure because of the application of force is improper; In addition, present anti-secondary percussion insurance institution most or complex operation or complex structure are unfavorable for reducing the apparatus cost.
Summary of the invention
In view of the defective that above-mentioned prior art exists, the objective of the invention is to propose the nail bin groupware of a kind of labour-saving tubular type binding instrument, and it possesses the insurance function of anti-secondary percussion.
Purpose of the present invention will be achieved by the following technical programs:
A kind of nail bin groupware of tubular type binding instrument, comprise nail bin and be arranged on nail bin interior ejector pin seat and pushing slice of nail, described pushing slice of nail is located at the far-end of described ejector pin seat regularly, and described pushing slice of nail is provided with at least one and the nail bin surface engagement is used to limit the agnail that pushing slice of nail resets.
Further, described pushing slice of nail comprises outer wall and inwall, and described agnail is arranged on this outer wall and/or the inwall.
Further, described agnail comprises a spigot surface and an acting surface, and described spigot surface and acting surface are acute angle.
Further, be the acute angle setting between the outer wall of described acting surface and pushing slice of nail or the inwall.
Further, be arranged with at least one agnail on the outer wall of described pushing slice of nail and the inwall.
Further, described nail bin comprises the nail hole, comprises in the described nail hole that one is used for the step groove that described agnail passes through.
Perhaps, a kind of nail bin groupware of tubular type binding instrument, comprise nail tube, be fixed in nail tube far-end nail bin, be arranged on ejector pin seat and pushing slice of nail in the nail bin, described pushing slice of nail is located at the far-end of described ejector pin seat regularly, described agnail is arranged at the outer surface of ejector pin seat, and described nail tube inner surface correspondence is provided with the agnail that is mated.
Compared with prior art, beneficial effect of the present invention is mainly reflected in:
1. pushing slice of nail designs the agnail structure, and only export but no import is avoided the secondary percussion, saves the anti-secondary of mechanism's complexity and pulls the trigger insurance institution.
2. after the present invention is applied to the PPH operation, do not need the doctor to hold handle after percussion, because when agnail is stuck on the nail bin surface, nail can not be replied and tightly be withstood to pushing slice of nail, and this moment, the doctor needed only the 30 seconds left and right sides time of grade.
3. when pushing slice of nail is provided with agnail structure more than 2 or 2, in Binding Instrument percussion process, each agnail structure of pushing slice of nail is during through nail bin, and the doctor can both feel the degree that compresses of tissue, for the doctor provides one to compress " yardstick ".
Description of drawings
Fig. 1 is the schematic perspective view of nail bin groupware of the preferred embodiment of tubular type binding instrument of the present invention;
Fig. 2 is the structural representation of ejector pin seat and pushing slice of nail among Fig. 1;
Fig. 3 is the enlarged drawing of A part among Fig. 2;
Fig. 4 is the enlarged drawing of B part among Fig. 3;
Fig. 5 is the schematic perspective view of agnail and nail bin surface engagement;
Fig. 6 is the vertical view of the nail bin of tubular type binding instrument of the present invention.
Wherein:
1 nail bin, 2 ejector pin seats, 3 pushing slice of nail
4 outer walls, 5 inwalls, 6 spigot surfaces
7 acting surfaces, 8 agnails, 9 nail holes
10 step grooves, 11 nail tubes
The specific embodiment
The present invention has disclosed a kind of nail bin groupware of tubular type binding instrument, as shown in Figure 1 and Figure 2, comprise nail tube 11, be located at the nail bin 1 of nail tube 11 far-ends and be arranged on nail bin interior ejector pin seat 2 and pushing slice of nail 3, described pushing slice of nail 3 is located at the far-end of described ejector pin seat 2 regularly.Characteristics of the present invention are, described pushing slice of nail 3 is provided with at least one and nail bin 1 surface engagement and is used to limit the agnail 8 that pushing slice of nail 3 resets.
Specifically with reference to Fig. 3, Fig. 4, shown in Figure 5, described pushing slice of nail 3 comprises outer wall 4 and inwall 5, and described agnail 8 can be arranged on this outer wall 4 and/or the inwall 5.In this preferred embodiment, be arranged with 6 agnails on the outer wall 4 of described pushing slice of nail and the inwall 5, reach outer wall 4 and be provided with 3 agnails, inwall 5 is provided with 3 agnails.Certainly, also can only on outer wall 4, establish agnail, or only on inwall 5, establish agnail.Certainly,, can also agnail be set, match with the agnail structure of the corresponding setting of nail tube 11 inner surfacies at the outer surface of ejector pin seat 2 except this preferred embodiment is provided with agnail with the nail bin surface engagement on the surface of pushing slice of nail 3.Because structure is roughly similar, therefore repeat no more.
Described agnail comprises a spigot surface 6 and an acting surface 7, and described spigot surface 6 and acting surface 7 are acute angle.Be the acute angle setting between the outer wall 4 of described acting surface 7 and pushing slice of nail or the inwall 5.Such design is to be the elasticity with any for this agnail 8 is cooperated with nail bin.Described in conjunction with Fig. 6, described nail bin comprises nail hole 9, comprises in the described nail hole 9 that one is used for the step groove 10 that described agnail 8 passes through.When agnail 8 placed described nail hole 9, agnail tightened up and is close to described pushing slice of nail 3; When agnail 8 was pushed out of described nail hole, this agnail 8 restored, and its acting surface 7 is stuck on the described nail bin surface, prevents that pushing slice of nail 3 from retreating.
Use of the present invention is once simply described below:
At first, tissue is placed on the nail anvil of tubular type binding instrument and the seam area between the nail bin, regulates the distance between nail anvil and the nail bin, tissue is clamped between nail anvil and the nail bin, percussion then, because touching between agnail and the nail bin, the doctor can feel that pushing slice of nail is pushed out; Release handle then, at this moment, pushing slice of nail also is in the state of pressing pin, do not get back to initial position along with the release of handle, make nail can have time enough and uniform thrust to be shaped, do not need to expend doctor's energy, because ejector pin bar and ejector pin seat break away from, further play the effect that prevents the secondary percussion simultaneously.
The cutting knife that this structure was used should be the cutting knife that can return, and perhaps after the cutting, the blade of cutting knife can be stopped by the cutter anvil broken ends of fractured bone, make cutting knife can not have the danger that damages its hetero-organization.
Agnail structure of the present invention not only can be used on the tubular type binding instrument in fact; also can be used on other various Binding Instruments; the present invention still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming all drop within protection scope of the present invention.
Claims (7)
1. the nail bin groupware of a tubular type binding instrument, comprise nail bin and be arranged on nail bin interior ejector pin seat and pushing slice of nail, described pushing slice of nail is located at the far-end of described ejector pin seat regularly, it is characterized in that: described pushing slice of nail is provided with at least one and the nail bin surface engagement is used to limit the agnail that pushing slice of nail resets.
2. the nail bin groupware of tubular type binding instrument according to claim 1 is characterized in that: described pushing slice of nail comprises outer wall and inwall, and described agnail is arranged on this outer wall and/or the inwall.
3. the nail bin groupware of tubular type binding instrument according to claim 2 is characterized in that: described agnail comprises a spigot surface and an acting surface, and described spigot surface and acting surface are acute angle.
4. the nail bin groupware of tubular type binding instrument according to claim 3 is characterized in that: be the acute angle setting between the outer wall of described acting surface and pushing slice of nail or the inwall.
5. the nail bin groupware of tubular type binding instrument according to claim 2 is characterized in that: be arranged with at least one agnail on the outer wall of described pushing slice of nail and the inwall.
6. according to the nail bin groupware of described each tubular type binding instrument of claim 1-5, it is characterized in that: described nail bin comprises the nail hole, comprises in the described nail hole that one is used for the step groove that described agnail passes through.
7. the nail bin groupware of a tubular type binding instrument, comprise nail tube, be fixed in nail tube far-end nail bin, be arranged on ejector pin seat and pushing slice of nail in the nail bin, described pushing slice of nail is located at the far-end of described ejector pin seat regularly, it is characterized in that: described agnail is arranged at the outer surface of ejector pin seat, and described nail tube inner surface correspondence is provided with the agnail that is mated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592517 CN101999918A (en) | 2010-12-16 | 2010-12-16 | Nail bin assembly of circular tube type binding instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010592517 CN101999918A (en) | 2010-12-16 | 2010-12-16 | Nail bin assembly of circular tube type binding instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101999918A true CN101999918A (en) | 2011-04-06 |
Family
ID=43807792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010592517 Pending CN101999918A (en) | 2010-12-16 | 2010-12-16 | Nail bin assembly of circular tube type binding instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101999918A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857839Y (en) * | 2005-12-15 | 2007-01-17 | 苏州天臣国际医疗科技有限公司 | Round tube type binding device |
| CN201012096Y (en) * | 2007-01-04 | 2008-01-30 | 苏州天臣国际医疗科技有限公司 | Round tube type surgical binding instrument |
| CN201949073U (en) * | 2010-12-16 | 2011-08-31 | 苏州天臣国际医疗科技有限公司 | Nail warehouse component of circular tube-shaped bookbinding apparatus |
-
2010
- 2010-12-16 CN CN 201010592517 patent/CN101999918A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857839Y (en) * | 2005-12-15 | 2007-01-17 | 苏州天臣国际医疗科技有限公司 | Round tube type binding device |
| CN201012096Y (en) * | 2007-01-04 | 2008-01-30 | 苏州天臣国际医疗科技有限公司 | Round tube type surgical binding instrument |
| CN201949073U (en) * | 2010-12-16 | 2011-08-31 | 苏州天臣国际医疗科技有限公司 | Nail warehouse component of circular tube-shaped bookbinding apparatus |
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Application publication date: 20110406 |