CN218129459U - Disposable long catheter trocar indwelling device capable of preventing blood seepage - Google Patents
Disposable long catheter trocar indwelling device capable of preventing blood seepage Download PDFInfo
- Publication number
- CN218129459U CN218129459U CN202221160771.3U CN202221160771U CN218129459U CN 218129459 U CN218129459 U CN 218129459U CN 202221160771 U CN202221160771 U CN 202221160771U CN 218129459 U CN218129459 U CN 218129459U
- Authority
- CN
- China
- Prior art keywords
- casing seat
- pipe
- puncture
- sleeve
- trocar
- 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.)
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Links
- 239000008280 blood Substances 0.000 title claims abstract description 18
- 210000004369 blood Anatomy 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 238000001802 infusion Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000014759 maintenance of location Effects 0.000 claims description 4
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 4
- 229960002897 heparin Drugs 0.000 description 4
- 229920000669 heparin Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000001079 digestive effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 208000001297 phlebitis Diseases 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
Abstract
The utility model relates to a technical field is made to long pipe trocar, specific disposable long pipe trocar that can prevent effectively that blood seepage flow and hold convenient blood seepage flow of preventing of puncture from detaining device that says so, a serial communication port, be equipped with puncture subassembly, tubing assembly and outer protective sleeve subassembly, wherein puncture subassembly comprises puncture needle tubing and needle handle, and the tubing assembly includes pipe, casing seat, and the end of pipe links to each other with the casing seat, is equipped with the cavity that is linked together with the pipe in the casing seat, is equipped with the elastic sealing plug who is used for sealing the port behind the casing seat in the casing seat, after puncture needle pipe passed the elastic sealing plug along the port behind the casing seat, extend to in the pipe, the casing seat side still is equipped with the infusion by-pass pipe that is linked together with casing seat inner cavity, compares with prior art, has rational in infrastructure, easy and simple to handle, can effectively avoid blood seepage flow, hold needle stable class advantage that is showing.
Description
The technical field is as follows:
the utility model relates to a long pipe trocar makes technical field, specific can prevent effectively that blood seepage flow and the convenient disposable long pipe trocar retention device of preventing blood seepage flow of needle holder from after the puncture that says so.
Background art:
the medium-length catheter is mainly used for medical equipment for peripheral vascular infusion of medicines, and the length of the medium-length catheter is 8-25cm. The popularization rate and the utilization rate of the medium-length catheter in China are very low, and the medium-length catheter belongs to the entry period, but the medium-length catheter is applied to various foreign clinical departments such as a digestive department, a respiratory department, an oncology department, a surgical department, an internal and external department, even an emergency department and the like and has a good effect. The catheter with the medium length can stay for 30 days at most, so that the pain of a patient caused by repeated puncture can be reduced, the leakage of liquid can be reduced, the probability of phlebitis is reduced, the discomfort in the infusion process can be relieved, and the like.
At present, most of products in the market are in an open structure, namely, a cannula seat at the tail end of a catheter is provided with an unclosed channel, so that a smooth liquid medicine passage can be formed after the cannula seat is connected with other external equipment, but the situation of blood seepage after puncture is caused, and the infusion can be completed only by connecting with other parts after the puncture is finished.
The invention content is as follows:
the utility model provides a can effectively prevent the blood seepage flow after the puncture and hold convenient disposable long catheter trocar retention device of preventing blood seepage flow to the shortcoming and not enough that exist among the prior art.
The utility model discloses a following measure reaches:
the utility model provides a prevent disposable long catheter trocar retention device of blood seepage flow which characterized in that is equipped with puncture subassembly, tubing assembly and outer protective sleeve subassembly, and wherein puncture subassembly comprises puncture needle tube and needle handle, and the tubing assembly includes pipe, casing seat, and the end of pipe links to each other with the casing seat, is equipped with the cavity that is linked together with the pipe in the casing seat, is equipped with the elasticity sealing plug that is used for sealing the casing seat rear end mouth in the casing seat, puncture needle tube passes behind the casing seat rear end mouth, extends to in the pipe, the casing seat side still is equipped with the infusion side pipe that is linked together with casing seat inner cavity.
Outer protective sheath subassembly is equipped with the protective sheath and supports the cover, the protective sheath is established in the catheter subassembly outside, and the bar groove is seted up to the tube-shape main part side of protective sheath to peel off from the catheter subassembly outside after the convenient to use, the side of protective sheath is equipped with the slice and holds needle portion, and convenient to use person carries out the puncture operation.
Support and be equipped with the protruding muscle of matched with gomphosis recess and gomphosis on the outside of cover and the protective sheath for guarantee in the use, support the cover and be injectd the inside anterior segment at the protective sheath, support the cover and follow by a plurality of arc sub-sleeve body casing seat and pipe rear end lock form, after the puncture finishes, the casing seat is released forward and is supported the cover, and a plurality of arc sub-sleeve body can break away from casing seat and pipe rear end this moment.
In the using process of the utility model, by providing the novel casing seat, the rear end of the casing seat is plugged by the elastic sealing plug after puncture, thereby effectively avoiding blood seepage after puncture; in addition, the sleeve seat in the scheme is provided with an infusion side tube, the infusion side tube is connected with a heparin cap or a needleless infusion connector, and infusion can be performed without externally connecting other equipment when infusion is needed; outer protective sheath subassembly comprises support cover and protective sheath in this scheme, supports the cover and holds needle portion more to be suitable for user's operation custom by the slice of protective sheath side, can show improvement user operating efficiency and puncture stability.
Compared with the prior art, the utility model, have rational in infrastructure, easy and simple to handle, can effectively avoid blood seepage flow, hold needle stable etc. and show the advantage.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural view of the middle catheter and the cannula holder of the present invention.
Fig. 4 is a schematic structural view of the elastic sealing plug of the present invention.
Fig. 5 is a schematic structural view of the protective cover of the present invention.
Reference numerals: the needle tube 1, the catheter 2, the supporting sleeve 3, the protective sleeve 4, the cannula seat 5, the sealing plug 6, the needle handle 7, the infusion bypass tube 8 and the sheet-shaped needle holding part 9.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and examples.
Example 1:
as shown in the attached figure 1, the present example provides a disposable long catheter trocar indwelling device for preventing blood seepage, wherein a puncture assembly, a catheter assembly and an outer protective sleeve assembly are arranged, the puncture assembly of the present example consists of a puncture needle tube 1 and a needle handle 7, the catheter assembly comprises a catheter 2 and a cannula base 5, the tail end of the catheter 2 is connected with the cannula base 5, a cavity communicated with the catheter 2 is arranged in the cannula base 5, an elastic sealing plug 6 for sealing the rear port of the cannula base 5 is arranged in the cannula base 5, the puncture needle tube 1 passes through the elastic sealing plug 6 along the rear port of the cannula base 5 and then extends into the catheter 2, a transfusion bypass tube 8 communicated with the cavity in the cannula base 5 is further arranged on the side of the cannula base 5, the transfusion bypass tube is connected with a heparin cap or a needleless transfusion connector, and the transfusion bypass tube 8 is sealed by the heparin cap in a non-use state;
as shown in fig. 2 and 5, the outer protective sleeve assembly of this embodiment is provided with a protective sleeve 4 and a support sleeve 3, the protective sleeve 4 is sleeved on the outer side of the catheter assembly, a strip-shaped groove is formed in the side surface of the cylindrical main body of the protective sleeve 4 so as to be peeled off from the outer side of the catheter assembly after use, and a sheet-shaped needle holding part 9 is arranged on the side surface of the protective sleeve 4 so as to facilitate the puncture operation of a user;
support and be equipped with matched with gomphosis recess and the protruding muscle of gomphosis on the outside of cover 3 and protective sheath 4 for guarantee in the use, support cover 3 and be injectd at the inside anterior segment of protective sheath 4, support cover 3 and follow by a plurality of arc sub-sleeve body sleeve barrel casing seat and pipe rear end lock form, after the puncture finishes, sleeve barrel casing 5 is released forward and is supported cover 3, and a plurality of arc sub-sleeve body can break away from sleeve barrel casing seat 5 and 2 rear ends of pipe this moment.
In the using process, the novel cannula base 5 is provided, the rear end of the cannula base 5 after puncture is sealed by the elastic sealing plug 6, and blood seepage after puncture is effectively avoided; in addition, the casing seat 5 is provided with an infusion bypass pipe 8, the infusion bypass pipe is blocked by a heparin cap in a non-use state, and infusion can be performed without externally connecting other equipment when infusion is needed; outer protective sheath subassembly comprises support cover 3 and protective sheath 4 in this scheme, supports cover 3 and holds needle portion 9 by the slice of protective sheath side and more be suitable for user's operation custom, can show improvement user operating efficiency and puncture stability.
Compared with the prior art, the utility model, have rational in infrastructure, easy and simple to handle, can effectively avoid blood seepage flow, hold needle stable etc. and show the advantage.
Claims (4)
1. The utility model provides a prevent disposable long catheter trocar retention device of blood seepage flow which characterized in that is equipped with puncture subassembly, tubing assembly and outer protective sleeve subassembly, and wherein puncture subassembly comprises puncture needle tube and needle handle, and the tubing assembly includes pipe, casing seat, and the end of pipe links to each other with the casing seat, is equipped with the cavity that is linked together with the pipe in the casing seat, is equipped with the elasticity sealing plug that is used for sealing the casing seat rear end mouth in the casing seat, puncture needle tube passes behind the casing seat rear end mouth, extends to in the pipe, the casing seat side still is equipped with the infusion side pipe that is linked together with casing seat inner cavity.
2. The disposable long catheter trocar indwelling device for preventing blood seepage according to claim 1, wherein the outer protective sleeve assembly is provided with a protective sleeve and a support sleeve, the protective sleeve is sleeved on the outer side of the catheter assembly, a strip-shaped groove is formed in the side surface of the cylindrical main body of the protective sleeve, and a sheet-shaped needle holding part is arranged on the side surface of the protective sleeve.
3. The anti-blood-seepage disposable long catheter trocar indwelling device according to claim 2, wherein the outer side of the supporting sleeve and the protecting sleeve are provided with a matching engaging groove and a matching engaging rib.
4. The anti-blood-seepage disposable long catheter trocar indwelling device according to claim 2, wherein the supporting sleeve is formed by buckling a plurality of arc-shaped sub-sleeves along the sleeve base and the rear end of the catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221160771.3U CN218129459U (en) | 2022-05-13 | 2022-05-13 | Disposable long catheter trocar indwelling device capable of preventing blood seepage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221160771.3U CN218129459U (en) | 2022-05-13 | 2022-05-13 | Disposable long catheter trocar indwelling device capable of preventing blood seepage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218129459U true CN218129459U (en) | 2022-12-27 |
Family
ID=84573226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221160771.3U Active CN218129459U (en) | 2022-05-13 | 2022-05-13 | Disposable long catheter trocar indwelling device capable of preventing blood seepage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218129459U (en) |
-
2022
- 2022-05-13 CN CN202221160771.3U patent/CN218129459U/en active Active
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| GR01 | Patent grant |