CN205338966U - Blood sampling needle under peritoneoscope - Google Patents
Blood sampling needle under peritoneoscope Download PDFInfo
- Publication number
- CN205338966U CN205338966U CN201520993147.5U CN201520993147U CN205338966U CN 205338966 U CN205338966 U CN 205338966U CN 201520993147 U CN201520993147 U CN 201520993147U CN 205338966 U CN205338966 U CN 205338966U
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- medical
- hollow needle
- sheath pipe
- lower extreme
- operating handle
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Abstract
The utility model discloses a blood sampling needle under peritoneoscope, including medical injector interface, medical silica gel connecting pipe and operating handle, its characterized in that: operating handle's top be provided with the medical transparent protecting pipe of upper end open -ended, be provided with the retainer plate in the protecting pipe lower extreme, still be provided with the hollow needle that is used for the blood sampling in this protecting pipe, the hollow needle upper end is equipped with the crotch to the reclination, the crochet hook is established near protecting pipe upper end open -ended below, after the lower extreme of this hollow needle passes the retainer plate of protecting pipe lower extreme, pass operating handle's lower extreme again to make the distance between operating handle and the protecting pipe be 5 centimetres, passing the terminal of hollow needle of operating handle lower extreme and being connected with medical silica gel connecting pipe one end, the other end of medical silica gel connecting pipe is connected with the medical injector interface. The utility model has the advantages of simple structure, making easily, can be under the sight glass taking a blood sample to the vein blood vessel in the patient abdominal cavity, the blood sampling makes things convenient for safety, reduces the medical malpractice emergence.
Description
Technical field
This utility model relates to vein blood taking needle under a kind of peritoneoscope, belongs to technical field of medical instruments.
Background technology
In human abdominal cavity, disease great majority are sowed by abdominal vein to other organs of health and are shifted.Current domestic and international multinomial clinical research is reached a conclusion, by taking digestive tract tumor's proximal part venous blood (vein as upper and lower in mesentery and portal vein etc.) to carry out the detection of the project such as tumor markers and tumor cell in abdominal operation, having significantly high sensitivity and specificity, prognosis and follow-up treatment to tumor have guiding significance.Traditional method extracts intraperitoneal venous blood, all directly the vein of patient is punctured by common vein blood taking needle by operative doctor when abdominal and extracts blood.Current laparoscopic surgery is because wound is little, and patient's post-operative recovery is fast, extensively carries out in abdominal surgery field, and at gastric tumor, Surgery For Colorectal Neoplasm maturation is applied.There is in view of abdominal operation being taked digestive tract tumor's proximal part venous blood carry out detecting important clinical meaning, set up extremely urgent with venous blood collection technology under full-fledged peritoneoscope.Clinician takes tradition blood drawing mode to have very big technological challenge under peritoneoscope, because operating doctor under peritoneoscope to lose the visual angle of direct-view, need to complete under being guided by the two dimensional surface of monitor to puncture and draw blood, operation doctor loses the sense of touch of hand and namely relies on needle forceps clamp puncture needle to puncture simultaneously, the accuracy of location is not high, paracentesis depth is difficult to hold, whole operating process is made to become abnormal difficult, it is easy to concurrently to run through blood vessel, tear the severe complication such as blood vessel and unmanageable massive hemorrhage.Therefore need to find piercing method under a kind of simple and easy to do peritoneoscope, and the technology of key seeks to use vein blood taking needle under a kind of special peritoneoscope.But, existing vein blood taking needle does not all adapt to the venous blood collection under peritoneoscope.Therefore the blood taking needle providing a kind of applicable abdominal vein to take a blood sample, makes the safety that abdominal vein blood sampling is convenient, fast, accurate, ensure abdominal vein blood sampling, is necessary.
Summary of the invention
The purpose of this utility model is to provide vein blood taking needle under a kind of peritoneoscope, makes to take venous blood more convenient, quick, accurate under peritoneoscope, takes venous blood difficulty big to overcome, operate loaded down with trivial details, it is easy to the deficiency of Accompanied injuries venous patient blood vessel under current peritoneoscope.
In order to realize above-mentioned purpose, vein blood taking needle under the peritoneoscope that this utility model provides, including injector for medical purpose interface, medical silica-gel connecting tube and operation handle, it is characterised in that: the medical transparent sheath pipe being provided above upper end open of described operation handle；In described medical transparent sheath pipe lower end, ring for fixing is set；It is additionally provided with the hollow needle for taking a blood sample in this medical transparent sheath pipe；Described hollow needle upper end is provided with decurved crochet hook, crochet hook length 5mm；Described crochet hook is located at the close beneath of medical transparent sheath pipe upper end open；The lower end of this hollow needle, after the ring for fixing of medical transparent sheath pipe lower end, is then passed through the lower end of operation handle；End through the hollow needle of operation handle, at its lower end is connected with medical silica-gel connecting tube one end, and the medical silica-gel connecting tube other end is connected with injector for medical purpose interface；The length of this medical transparent sheath pipe is 30 centimetres, diameter is 0.5 centimetre.
Adopt this utility model of above-mentioned measure, owing to employing medical transparent sheath pipe, can effectively prevent pneumoperitoneum gas leakage and puncture needle under peritoneoscope from damaging surrounding tissue and organ, end at blood taking needle is provided with the crochet hook of crotch, during blood sampling under the auxiliary of 2 dimension development facilities, operated by handle in vitro by operation doctor, crochet hook is used to puncture vein, can arbitrarily convert puncture angle, crochet hook length is fixed simultaneously, and paracentesis depth is easily held, easy to operate, puncturing accurately, easily takes a blood sample successfully, has the well feature such as handling.Simultaneously this utility model also there is simple in construction, easy to manufacture, take a blood sample convenient and safe, the advantage reducing operation Accessory injury.
Below in conjunction with accompanying drawing, this utility model is further described in detail.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
In figure, sequence number illustrates: injector for medical purpose interface 1, medical silica-gel connecting tube 2, operation handle 3, medical transparent sheath pipe 4, ring for fixing 5, hollow needle 6, crochet hook 7, protecting pipe length L1 and protecting pipe diameter L2.
Detailed description of the invention
With reference to Fig. 1, Fig. 1 is schematic perspective view of the present utility model, it is concrete structure of the present utility model shown in figure, including injector for medical purpose interface 1, medical silica-gel connecting tube 2 and operation handle 3, detailed description of the invention: at the medical transparent sheath pipe 4 being provided above upper end open of operation handle 3；Arranging ring for fixing 5 in this medical transparent sheath pipe 4 lower end, the effect of ring for fixing 5 is in that hollow needle 6 is supported, it is allowed to it enters or moves back and intercept abdominal cavity gas leakage；It is additionally provided with the hollow needle 6 for taking a blood sample in this medical transparent sheath pipe 4；The diameter of hollow needle 6 is the puncture bloodletting needle diameter of 0.7mm standard, and hollow needle 6 upper end is provided with decurved crochet hook 7；This crochet hook 7 is located at the close beneath of medical transparent sheath pipe 4 upper end open；The lower end of this hollow needle 6, after medical transparent sheath pipe 4 ring for fixing 5, is then passed through the lower end of operation handle 3, and to make the distance between operation handle 3 and medical transparent sheath pipe 4 be 5 centimetres；This is connected through the end of the hollow needle 6 of operation handle 3 lower end with medical silica-gel flexible pipe 2 one end, and medical silica-gel flexible pipe 2 other end is connected with injector for medical purpose interface 1；The length L1 of this medical transparent sheath pipe 4 is 30 centimetres, diameter L2 is 0.5 centimetre.
When this utility model uses, need to first use heparin saline to rinse hollow needle 6, operate under peritoneoscope, visor alignment is needed the vein of blood sampling, insert by the vein blood vessel that need to take a blood sample overall to medical transparent sheath pipe 4 and crochet hook 7.During blood sampling, hold the medical transparent sheath pipe 4 in place for one, another holds operation handle 3, operation handle 3 is pushed away forward, the crochet hook 7 making hollow needle 6 upper end stretches out medical transparent sheath pipe 4, the crochet hook 7 making hollow needle 6 again hooks vein blood vessel, it is operated by handle 3 simultaneously and according to puncturing the out of shape of vein, tractive outward soft for crochet hook 7 can be punctured successfully, puncturing is used syringe to extract desired blood standard as required after connecting medical silica-gel connecting tube 2 by assistant after successfully, after having drawn blood, it is operated by handle 3 hollow needle 6 entirety to be pushed away forward and can be extracted by the crochet hook 7 that thrust blood vessel, assistant uses medical yarn compressing point of puncture hemostasis simultaneously, the crochet hook 7 of hollow needle 6 is retracted in medical transparent sheath pipe 4, then medical transparent sheath pipe 4 entirety is extracted.
Claims (1)
1. vein blood taking needle under peritoneoscope, including injector for medical purpose interface (1), medical silica-gel connecting tube (2) and operation handle (3), it is characterised in that: the medical transparent sheath pipe (4) being provided above upper end open of described operation handle (3)；It is provided with ring for fixing (5) in described medical transparent sheath pipe (4) lower end；It is additionally provided with the hollow needle (6) for taking a blood sample in this medical transparent sheath pipe (4)；Described hollow needle (6) upper end is provided with decurved crochet hook (7), crochet hook (7) length 5mm；Described crochet hook (7) is located at the close beneath of medical transparent sheath pipe (4) upper end open；The lower end of this hollow needle (6), after medical transparent sheath pipe (4) lower end ring for fixing (5), is then passed through the lower end of operation handle (3)；End through the hollow needle (6) of operation handle (3) lower end is connected with medical silica-gel connecting tube (2) one end, and medical silica-gel connecting tube (2) other end is connected with injector for medical purpose interface (1)；The length L1 of this medical transparent sheath pipe (4) is 30 centimetres, diameter L2 is 0.5 centimetre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993147.5U CN205338966U (en) | 2015-12-04 | 2015-12-04 | Blood sampling needle under peritoneoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520993147.5U CN205338966U (en) | 2015-12-04 | 2015-12-04 | Blood sampling needle under peritoneoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205338966U true CN205338966U (en) | 2016-06-29 |
Family
ID=56152509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520993147.5U Withdrawn - After Issue CN205338966U (en) | 2015-12-04 | 2015-12-04 | Blood sampling needle under peritoneoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205338966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326510A (en) * | 2015-12-04 | 2016-02-17 | 龙涤 | Laparoscopic venous blood taking needle |
-
2015
- 2015-12-04 CN CN201520993147.5U patent/CN205338966U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105326510A (en) * | 2015-12-04 | 2016-02-17 | 龙涤 | Laparoscopic venous blood taking needle |
| CN105326510B (en) * | 2015-12-04 | 2018-01-02 | 龙涤 | Vein blood taking needle under laparoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20180102 |
|
| AV01 | Patent right actively abandoned |