CN104958825A - Guide wire importer capable of avoiding secondary puncture - Google Patents
Guide wire importer capable of avoiding secondary puncture Download PDFInfo
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- CN104958825A CN104958825A CN201510411448.7A CN201510411448A CN104958825A CN 104958825 A CN104958825 A CN 104958825A CN 201510411448 A CN201510411448 A CN 201510411448A CN 104958825 A CN104958825 A CN 104958825A
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- sealing gasket
- push rod
- piston
- secondary puncture
- guiding
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Abstract
A guide wire importer capable of avoiding secondary puncture comprises a needle cylinder, a push rod, a piston, a hollow tube, a sealing gasket A, a guide core, a sealing gasket B and a pressure cap. The piston is arranged at the front end of the push rod. The front end of the push rod and the piston are movably arranged in the needle cylinder. Through holes are axially formed in the center of the piston and the center of the push rod. The pressure cap is provided with a guide wire hole and is fixed into an assembly cavity in the tail end of the push rod. The sealing gasket A, the guide core and the sealing gasket B are sequentially assembled in a cavity formed by the assembly cavity and the pressure cap. According to the scheme, the two sealing gaskets at the rear portion of the guide wire importer capable of avoiding secondary puncture are adjusted, the guide wire importer capable of avoiding secondary puncture can be used for extracting liquid without pulling a guide wire out, and whether a catheter is put in place or not can be judged; accordingly, there is no need to conduct verification through another injector; once it is found that the catheter is not in place, the ingoing depth of the catheter can be adjusted again, secondary puncture and secondary catheter implantation are avoided, the pain of a patient is relieved, the operating time is effectively shortened, and the operating cost is lowered.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of Silk-guiding lead-in device avoiding secondary puncture.
Background technology
The process of the Silk-guiding lead-in device implantation catheter that current medicinal uses be first by seal wire implantation device by seal wire implant into body, insert conduit again, because the sealing gasket of existing Silk-guiding lead-in device rear end is lost through rear sealing effectiveness at seal wire, in order to judge whether catheter proximal end puts in place, generally after extracting seal wire out, at one end access syringe extracting bodily fluid of catheter retaining outside human body, fluid conditions according to extracting judges, if conduit does not put in place, then need again to carry out puncturing and inserting conduit, so not only increase the misery of patient, and delay operating time, increase operation cost.
Summary of the invention
The object of the invention is to solve above defect, a kind of novel Silk-guiding lead-in device avoiding secondary puncture is provided.
For achieving the above object, technical scheme of the present invention is a kind of Silk-guiding lead-in device avoiding secondary puncture, comprise hollow pipe, syringe, piston, push rod, sealing gasket A, guiding core, sealing gasket B and gland, sealing gasket A and B is that elastomeric material makes, piston is arranged on the front end of push rod, the front end of push rod is arranged in syringe together with piston is mobilizable, the central shaft of piston and push rod is to offering through hole, pin mouth is arranged on the front end of syringe, hollow pipe one end is fixed in pin mouth, the other end activity of hollow pipe penetrates in the through hole of piston and push rod, the liquid outlet of hollow pipe is arranged in the cavity of syringe front end, sealing gasket A is the cylinder that opening is provided with annulus, guiding core is both ends open, stage casing cylindrical is arranged with the cylinder of annulus, sealing gasket B is the cylinder that opening is provided with annulus, the cylinder end of sealing gasket A is assembled with the coaxial block of the assembly cavity of push rod afterbody, guiding core one end cover loads sealing gasket A, other end cover loads sealing gasket B, the cylinder end cover of sealing gasket B loads in the inner chamber of gland front end, sealing gasket A center is provided with manhole vertically, manhole internal diameter is less than seal wire external diameter, sealing gasket A and seal wire interference fit, sealing gasket B center is radially provided with bar shaped joint-cutting, in push rod front end, projection is set near piston place, the block that when push rod pulls back, this projection can be corresponding with syringe end is supported, push rod is avoided excessively to slide backward.
Described sealing gasket A is assemblied in the assembly cavity of push rod afterbody, and described sealing gasket B is assemblied in the cavity of gland front end.
Described sealing gasket B is assemblied in the assembly cavity of push rod afterbody, and described sealing gasket A is assemblied in the cavity of gland front end.
The endoporus of described guiding core cylinder is pre-small post-large horn-like structure near one end of gland.
The front end of the assembly cavity of described push rod end is pre-small post-large horn-like structure.
The beneficial effect that the present invention produces is:
This programme adjusts avoiding two of the rear portion of the Silk-guiding lead-in device of secondary puncture sealing gaskets, this is used to avoid the Silk-guiding lead-in device extracting liquid of secondary puncture under realizing the state of not extracting seal wire out, judge whether conduit puts in place, like this without the need to re-using syringe checking, simultaneously once find that conduit does not put in place, because this proof procedure carries out under the state of not extracting conduit out at seal wire, the degree of depth that conduit enters can be adjusted again, secondary puncture and secondary is avoided to insert conduit, reduce the misery of patient, effectively shorten operating time, reduce operation cost.
Accompanying drawing explanation
Fig. 1 is the sectional view avoiding the Silk-guiding lead-in device hollow pipe of secondary puncture provided by the invention;
Fig. 2 is the sectional view avoiding the Silk-guiding lead-in device syringe of secondary puncture provided by the invention;
Fig. 3 is the sectional view avoiding the Silk-guiding lead-in device piston of secondary puncture provided by the invention;
Fig. 4 is the sectional view avoiding the Silk-guiding lead-in device push rod of secondary puncture provided by the invention;
Fig. 5 is the sectional view avoiding the Silk-guiding lead-in device sealing gasket A of secondary puncture provided by the invention;
Fig. 6 is the sectional view avoiding the Silk-guiding lead-in device guiding core of secondary puncture provided by the invention;
Fig. 7 is the sectional view avoiding the Silk-guiding lead-in device sealing gasket B of secondary puncture provided by the invention;
Fig. 8 is the sectional view avoiding the Silk-guiding lead-in device gland of secondary puncture provided by the invention;
Fig. 9 is the sectional view after the Silk-guiding lead-in device assembling avoiding secondary puncture provided by the invention;
In figure: 1. hollow pipe, 1-1. liquid outlet, 2. syringe, 2-1. pin mouth, 2-2. block, 3. piston, 4. push rod, 4-1. projection, 4-2. through hole, 4-3. assembly cavity, 5. sealing gasket A, 5-1. manhole, 6. guiding core, 7. sealing gasket B, 7-1. bar shaped joint-cutting, 8. gland.
Detailed description of the invention
The present invention is a kind of avoids the specific embodiment of the Silk-guiding lead-in device of secondary puncture as shown in figs 1-9, comprise hollow pipe, syringe, piston, push rod, sealing gasket A, guiding core, sealing gasket B and gland, sealing gasket A and B is that elastomeric material makes, piston is arranged on the front end of push rod, the front end of push rod is arranged in syringe together with piston is mobilizable, the central shaft of piston and push rod is to offering through hole, pin mouth is arranged on the front end of syringe, hollow pipe one end is fixed in pin mouth, the other end activity of hollow pipe penetrates in the through hole of piston and push rod, the liquid outlet of hollow pipe is arranged in the cavity of syringe front end, sealing gasket A is the cylinder that opening is provided with annulus, guiding core is both ends open, stage casing cylindrical is arranged with the cylinder of annulus, sealing gasket B is the cylinder that opening is provided with annulus, the cylinder end of sealing gasket A is assembled with the coaxial block of the assembly cavity of push rod afterbody, guiding core one end cover loads sealing gasket A, other end cover loads sealing gasket B, the cylinder end cover of sealing gasket B loads in the inner chamber of gland front end, sealing gasket A center is provided with manhole vertically, manhole internal diameter is less than seal wire external diameter, sealing gasket A and seal wire interference fit, sealing gasket B center is radially provided with bar shaped joint-cutting, in push rod front end, projection is set near piston place, the block that when push rod pulls back, this projection can be corresponding with syringe end is supported, push rod is avoided excessively to slide backward.
The Silk-guiding lead-in device operation principle of secondary puncture of avoiding provided by the invention is as follows: be first contained on pin mouth by puncture needle, then puncture needle thrust human body, pulled back by push rod, judges whether puncture needle arrives assigned address according to the fluid conditions that liquid outlet flows out; After confirming that puncture needle arrives assigned address, seal wire is penetrated from gland end thread eye, seal wire is through sealing gasket B, guiding core, sealing gasket A, hollow pipe and pin mouth, passed by puncture needle front end, slowly import in human body, then the Silk-guiding lead-in device and puncture needle of avoiding secondary puncture are together extracted out along seal wire, push rod is pushed into cyclinder needle mouth end together with piston, discharges the body fluid in syringe and air; Expansion head is pulled out after seal wire thrusts human body, conduit is inserted in human body along seal wire; Seal wire is retained in one end outside human body along pin mouth, hollow pipe, sealing gasket A, guiding core, sealing gasket B, finally passed by gland end, catheter retaining one end outside human body is socketed on pin mouth, push rod is pulled back, judge whether conduit arrives assigned address according to the fluid conditions that liquid outlet flows out, adjustment conduit enters the degree of depth of human body.
Claims (5)
1. avoid the Silk-guiding lead-in device of secondary puncture for one kind, comprise hollow pipe, syringe, piston, push rod, sealing gasket A, guiding core, sealing gasket B and gland, sealing gasket A and B is that elastomeric material makes, piston is arranged on the front end of push rod, the front end of push rod is arranged in syringe together with piston is mobilizable, the central shaft of piston and push rod is to offering through hole, pin mouth is arranged on the front end of syringe, hollow pipe one end is fixed in pin mouth, the other end activity of hollow pipe penetrates in the through hole of piston and push rod, the liquid outlet of hollow pipe is arranged in the cavity of syringe front end, sealing gasket A is the cylinder that opening is provided with annulus, guiding core is both ends open, stage casing cylindrical is arranged with the cylinder of annulus, sealing gasket B is the cylinder that opening is provided with annulus, the cylinder end of sealing gasket A is assembled with the coaxial block of the assembly cavity of push rod afterbody, guiding core one end cover loads sealing gasket A, guiding core other end cover loads sealing gasket B, the cylinder end cover of sealing gasket B loads in the inner chamber of gland front end, it is characterized in that, sealing gasket A center is provided with manhole vertically, manhole internal diameter is less than seal wire external diameter, sealing gasket A and seal wire interference fit, sealing gasket B center is radially provided with bar shaped joint-cutting.
2. the Silk-guiding lead-in device avoiding secondary puncture according to claim 1, is characterized in that, described sealing gasket A is assemblied in the assembly cavity of push rod afterbody, and described sealing gasket B is assemblied in the cavity of gland front end.
3. the Silk-guiding lead-in device avoiding secondary puncture according to claim 1, is characterized in that, described sealing gasket B is assemblied in the assembly cavity of push rod afterbody, and described sealing gasket A is assemblied in the cavity of gland front end.
4. the Silk-guiding lead-in device avoiding secondary puncture according to any one of claim 1 to 3, is characterized in that, the endoporus of described guiding core cylinder is pre-small post-large horn-like structure near one end of gland.
5. the Silk-guiding lead-in device avoiding secondary puncture according to claim 4, is characterized in that, the front end of the assembly cavity of described push rod end is pre-small post-large horn-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411448.7A CN104958825A (en) | 2015-07-15 | 2015-07-15 | Guide wire importer capable of avoiding secondary puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411448.7A CN104958825A (en) | 2015-07-15 | 2015-07-15 | Guide wire importer capable of avoiding secondary puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104958825A true CN104958825A (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510411448.7A Pending CN104958825A (en) | 2015-07-15 | 2015-07-15 | Guide wire importer capable of avoiding secondary puncture |
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| Country | Link |
|---|---|
| CN (1) | CN104958825A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4274408A (en) * | 1979-03-26 | 1981-06-23 | Beatrice Nimrod | Method for guide-wire placement and novel syringe therefor |
| US4813938A (en) * | 1987-09-17 | 1989-03-21 | Raulerson J Daniel | Catheter introduction syringe |
| CN201123940Y (en) * | 2007-10-11 | 2008-10-01 | 黄淑存 | Cardiovascular guidewire intervented injection syringe |
| CN102335469A (en) * | 2011-07-09 | 2012-02-01 | 李林风 | Catheter flusher for priming solution |
| CN204170276U (en) * | 2014-10-08 | 2015-02-25 | 广东百合医疗科技股份有限公司 | A kind of blue empty needle for guiding wire |
| CN204208134U (en) * | 2014-11-13 | 2015-03-18 | 上海普益医疗器械股份有限公司 | Push rod hollow type syringe |
| CN204318803U (en) * | 2014-12-14 | 2015-05-13 | 刘海军 | A kind of blood internal medicine bone marrow aspiration draw-out device |
| CN204932548U (en) * | 2015-07-15 | 2016-01-06 | 郑州迪奥医学技术有限公司 | Avoid the Silk-guiding lead-in device of secondary puncture |
-
2015
- 2015-07-15 CN CN201510411448.7A patent/CN104958825A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4274408A (en) * | 1979-03-26 | 1981-06-23 | Beatrice Nimrod | Method for guide-wire placement and novel syringe therefor |
| US4813938A (en) * | 1987-09-17 | 1989-03-21 | Raulerson J Daniel | Catheter introduction syringe |
| CN201123940Y (en) * | 2007-10-11 | 2008-10-01 | 黄淑存 | Cardiovascular guidewire intervented injection syringe |
| CN102335469A (en) * | 2011-07-09 | 2012-02-01 | 李林风 | Catheter flusher for priming solution |
| CN204170276U (en) * | 2014-10-08 | 2015-02-25 | 广东百合医疗科技股份有限公司 | A kind of blue empty needle for guiding wire |
| CN204208134U (en) * | 2014-11-13 | 2015-03-18 | 上海普益医疗器械股份有限公司 | Push rod hollow type syringe |
| CN204318803U (en) * | 2014-12-14 | 2015-05-13 | 刘海军 | A kind of blood internal medicine bone marrow aspiration draw-out device |
| CN204932548U (en) * | 2015-07-15 | 2016-01-06 | 郑州迪奥医学技术有限公司 | Avoid the Silk-guiding lead-in device of secondary puncture |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |