CN207341763U - Blood taking needle for endoscope-assistant surgery - Google Patents
Blood taking needle for endoscope-assistant surgery Download PDFInfo
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- CN207341763U CN207341763U CN201720232007.5U CN201720232007U CN207341763U CN 207341763 U CN207341763 U CN 207341763U CN 201720232007 U CN201720232007 U CN 201720232007U CN 207341763 U CN207341763 U CN 207341763U
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- blood taking
- endoscope
- taking needle
- bulb
- extension tube
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Abstract
The utility model discloses a kind of blood taking needle for endoscope-assistant surgery, including：Syringe needle；The clamping piece easy to the clamping of hysteroscope apparatus that its front end is connected with syringe needle end；The extension tube for transports liquid that its front end is connected with clamping piece end, its end have bulb；Wherein, the bulb is sphere or spheroid with the centre bore with being connected inside the extension tube；Wherein, the diameter of the bulb centre bore is equal to the inside diameter of the extension tube.The blood taking needle of the utility model, it is simple in structure, it is easy to use, it can be used under various hysteroscopes, in different parts, different angle, can safely and effectively be taken a blood sample according to operating personnel's needs, there is security and validity, and very strong operability.
Description
Technical field
The field of medical instrument technology is the utility model is related to, more particularly to it is a kind of applied to clinical laparoscope, thoracoscope, palace
Blood taking needle in the various endoscope-assistant surgeries such as hysteroscope.
Background technology
In clinic, laparoscopic technique is one of most commonly used modus operandi of current surgical application.Have in the recent period multinomial
Research shows that the endovascular blood in upstream of lesion can accurately more react the disease information of patient.The typical case of this disease information
Representative has circulating tumor cell (CTCs), excretion body and tumor marker of tumor patient etc., these materials are close to lesion
Content can more conventional peripheric venous blood higher in the blood of upstream.Upstream vessel inner blood information more can accurate response patient disease
Situation, and the upstream blood vessel that these lesions are closed on more can only be visual under hysteroscope.By taking the cancer of pancreas of easy liver metastasis as an example, one
Aspect, peripheral blood detection CTCs concentration is relatively low, checks that sensitiveness is poor, clinical practice is very limited；On the other hand, pancreas metastasis of cancer
Position is mainly liver, and lung and peripheral vein zone-transfer are more rare, detects peripheral blood lack of targeted.Cancer of pancreas hepatic metastases
It is more direct with the correlation of upstream venous blood (portal vein).Therefore, periphery is compared in upstream venous blood (portal vein) CTCs detections
Blood has more Sensitivity and Specificity in the judgement of cancer of pancreas prognosis prediction and postoperative metastasis.And the blood sampling at the position is because mesh
Preceding laparoscope widely uses, and gradually needs to carry out in the laparoscope visual field.
At present, disclose in the prior art quiet under Patent No. CN105326510A as shown in Figure 3, entitled laparoscope
The blood taking needle of arteries and veins blood taking needle, the blood taking needle include injector for medical purpose interface 1 ', medical silica-gel connecting tube 2 ' and operation handle 3 ',
The medical transparent sheath pipe 4 ' of upper end opening is provided with above operation handle 3 ', is set in medical 4 ' lower end of transparent sheath pipe
Retainer plate 5 ', the hollow needle 6 ' for blood sampling is additionally provided with the medical transparent sheath pipe 4 ', be equipped with the upper end of hollow needle 6 ' to
Under curved crochet hook 7 '.
But there is many-sided deficiency in the structure of above-mentioned patent.Firstly, since blood taking needle is that blood was collected in intracavitary, it is empty
Heart pin and lever integration, on the one hand cannot well adapt to the needs at blood sampling angle and position；On the other hand, due to hysteroscope
Space is larger, and the lever is often longer, long lever, and the dynamics and position requirement to operator's hand inserting needle are high,
In the presence of the risk for breaking curved, operation of breakage handle and needle body, so may injured blood vessel, cause bleeding.Secondly, this is designed without considering
To the factor of pneumoperitoneum.While operation above, if the pressure of pneumoperitoneum cannot effectively be maintained, it is difficult to ensure that blood collection procedure is smooth
Carry out, it is impossible to meet the needs of operation.Again, the design structure is complicated, and cost is high, does not combine existing abdomen well
(such as lever can be substituted hysteroscope apparatus by needle holder, and needle holder is safer, and firmly, operator is familiar with its application, is easy to grasp
Make).Therefore, the blood taking needle of above-mentioned patent there are inconvenient, rapid wear and it is complicated the shortcomings that.
The content of the invention
The purpose of this utility model is exactly to solve the above problem existing in the prior art, there is provided one kind is used for hysteroscope hand
The blood taking needle of art, its is simple in structure, easy to use, can be used under various hysteroscopes, can be according to operating personnel's needs, in different portions
Position, different angle, safely and effectively take a blood sample, have security and validity, and very strong operability.
To realize the above-mentioned purpose of the utility model, the blood taking needle provided by the utility model for endoscope-assistant surgery includes：
Syringe needle；The clamping piece easy to the clamping of hysteroscope apparatus that its front end is connected with syringe needle end；Its front end is connected with clamping piece end
For the extension tube of transports liquid, its end has bulb；Wherein, the bulb be with the extension tube inside phase
The sphere or spheroid of the centre bore of connection；Wherein, the diameter of the bulb centre bore is straight equal to the inside of the extension tube
Footpath.
Wherein, the clamping piece is pipe fitting, it is internal with being connected inside the syringe needle and the extension tube.
Preferably, the clamping piece is made of flexible material.
Alternatively, the clamping piece is made of hard material.
Wherein, the outer surface of the clamping piece sets the teeth or screw thread easy to clamping.
Further, the connector being connected with the end of the extension tube is further included, for the connector with outer harvesting portion
Docking.
Further, further include for being nested with the extension tube and between the syringe needle and the bulb
Seal cap.
Wherein, the diameter of the seal cap central through hole is less than the maximum gauge of the bulb outer dia.
Preferably, the maximum gauge of the bulb outer dia is more than 4mm.
Compared with prior art, the blood taking needle for endoscope-assistant surgery of the utility model embodiment has the following advantages that：
1st, the blood taking needle of the present embodiment, the flexible and convenient operation under hysteroscope, can root from the limitation of blood sampling site and angle
Need according to operating personnel, in different parts, different angle, safely and effectively take a blood sample, there is security and validity, meet clinical
Demand.
2nd, the blood taking needle of the present embodiment, simple in structure, low manufacture cost are workable.
The utility model embodiment is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structure diagram of the blood taking needle for endoscope-assistant surgery of the utility model first embodiment.
Fig. 2 is the structure diagram of the blood taking needle for endoscope-assistant surgery of the utility model second embodiment
Fig. 3 is the structure diagram of the blood taking needle of the prior art.
Embodiment
As shown in Figure 1 and Figure 2, two kinds of structures of the blood taking needle for endoscope-assistant surgery provided for the utility model embodiment
Schematic diagram, the blood taking needle can be used in the various endoscope-assistant surgeries such as clinical laparoscope, thoracoscope, hysteroscope, and can be to vein, dynamic
Arteries and veins is taken a blood sample, which includes：Syringe needle 1；The clamping piece 2 easy to the clamping of hysteroscope apparatus that its front end is connected with 1 end of syringe needle；Its
The extension tube 3 for transports liquid that front end is connected with 2 end of clamping piece, its end have bulb 5；Wherein, bulb 5 is
Sphere or spheroid with the centre bore with being connected inside extension tube 3, the diameter of 5 centre bore of bulb are equal to extension tube 3
Inside diameter.
Specifically, as shown in Figure 1 and Figure 2, in the blood taking needle of the present embodiment, syringe needle is by rigid material (such as prior art syringe needle
Material) be made, during making, the syringe needle of the more conventional external blood taking needle of syringe needle is short and thin, to ensure intracavitary blood sampling
Security and operability.
Wherein, the clamping piece 2 of the present embodiment uses hollow pipe fitting, and the inside of its internal and syringe needle 1 and extension tube 3 is distinguished
It is connected.Wherein, clamping piece 2 can be made of flexible material, be such as made of rubber, or be made of silica gel；Alternatively, clamping
Part 2 can also be made of hard material, such as adopt made of plastic, or be made of metal.No matter clamping piece 2 is by which kind of material system
Into for ease of the clamping of hysteroscope apparatus, teeth or screw thread (not shown) can be set in the outer surface of clamping piece 2.Make
When, if clamping piece 2 is made by somewhat soft material, for its hardness it is ensured that when hysteroscope apparatus clamps, clamping piece 2 will not be because becoming
Shape and subject to inner passage is blocked.
Wherein, the extension tube 3 of the present embodiment, using the extension tube of different length, can be prolonged according to different hysteroscope spaces
The more conventional woven hose of diameter of long tube more carefully will set bulb 5, which is sphere or ellipsoid in the end of extension tube 3
Body, and sphere or spheroid have the centre bore with being connected inside extension tube 3, the diameter of centre bore can be equal to extension tube 3
Inside diameter, and the maximum gauge of 5 outer dia of bulb is more than 4mm, such as uses 5mm.When making, bulb 5 is with prolonging
Long tube 3 can be made using integrally formed mode.By bulb 5, abdominal cavity gas leakage when can effectively prevent from performing the operation, and can
To prevent extension tube end from slipping into abdominal cavity.
Wherein, the blood taking needle of the present embodiment further includes the connector being connected with the end of extension tube 3 in addition to above-mentioned each component
6, docked by connector 6 with the connector of outer harvesting portion, so as to it is intraperitoneal blood was collected operation.Wherein, exterior collection dress
It is conventional syringe to put, then when designing, the connector 6 of the present embodiment should be to be connect with what conventional syringe cylinder head matched
Head；Alternatively, outer harvesting portion can also be the more negative pressure hemostix of clinical practice, then when designing, the present embodiment connects
First 6 should be the connector to match with negative pressure blood-taking tube, so as to collect blood by negative pressure.
In addition, as shown in Figure 1, the blood taking needle of the present embodiment can also be nested with a seal cap 4, the sealing in extension tube 3
Cap 4 can be between syringe needle 1 and bulb 5,4 centrally disposed through hole of seal cap, and the diameter of through hole is less than the outside of bulb 5 directly
(maximum gauge of 5 outer dia of bulb refers to the straight along the maximum of extension tube radial direction of bulb 5 to the maximum gauge in footpath
Footpath), during ensureing that blood was collected outside abdominal cavity, by the way that seal cap 4 to be slided to the front end of bulb 5, block extension tube and abdominal cavity
Between gap, effectively prevent abdominal cavity gas leakage, and prevent 3 end of extension tube from slipping into abdominal cavity by bulb 5.Preferably, should
Seal cap 4 can use the sealing cap material supporting with stamp card of the prior art to be made.
Alternatively, the blood taking needle of the present embodiment can also use structure as shown in Figure 2, i.e., can not when making blood taking needle
Seal cap must be nested with extension tube 3 in advance, and seal cap of the prior art is nested with extension tube at the time of surgery,
To realize the function of preventing abdominal cavity gas leakage.
In the following, by taking using the blood taking needle of the utility model first embodiment, blood was collected as an example, to blood taking needle blood collection procedure
It is described：When blood sampling, stabbed and blocked by laparoscope, syringe needle and clamping piece are placed on to the visual field of laparoscope by hysteroscope apparatus
In, then clamping piece clamped using hysteroscope apparatus (such as needle forceps), make the bulb close encapsulation cap of extension tube tail end, according to position
Target blood is punctured under hysteroscope with the needs of angle, the blood of site of puncture is collected by connector syringe or heparin tube
Liquid.
It should be noted that the size of each component in the present embodiment blood taking needle can be according to the actual use need in clinic
Determine.
In conclusion following technique effect can be brought using the blood taking needle for endoscope-assistant surgery of the present embodiment：
1st, the blood taking needle of the present embodiment, the flexible and convenient operation under hysteroscope, can root from the limitation of blood sampling site and angle
Need according to operating personnel, in different parts, different angle, safely and effectively take a blood sample, there is security and validity, meet clinical
Demand.
2nd, the blood taking needle of the present embodiment, simple in structure, low manufacture cost are workable.
Although being explained in detail above to the utility model embodiment, the utility model embodiment not limited to this, this
Those skilled in the art can modify according to the principle of the utility model embodiment, therefore, all new according to this practicality
The various modifications that the principle of type embodiment carries out all should be understood to fall into the protection domain of the utility model embodiment.
Claims (9)
- A kind of 1. blood taking needle for endoscope-assistant surgery, it is characterised in that including：Syringe needle；The clamping piece easy to the clamping of hysteroscope apparatus that its front end is connected with syringe needle end；The extension tube for transports liquid that its front end is connected with clamping piece end, its end have bulb；Wherein, the bulb is sphere or spheroid with the centre bore with being connected inside the extension tube；Wherein, the diameter of the bulb centre bore is equal to the inside diameter of the extension tube.
- 2. the blood taking needle according to claim 1 for endoscope-assistant surgery, it is characterised in that the clamping piece is pipe fitting, its It is internal with being connected inside the syringe needle and the extension tube.
- 3. the blood taking needle according to claim 2 for endoscope-assistant surgery, it is characterised in that the clamping piece is by flexible material It is made.
- 4. the blood taking needle according to claim 2 for endoscope-assistant surgery, it is characterised in that the clamping piece is by hard material It is made.
- 5. the blood taking needle for endoscope-assistant surgery according to claim 3 or 4, it is characterised in that the appearance of the clamping piece Face sets the teeth or screw thread easy to clamping.
- 6. the blood taking needle according to claim 1 for endoscope-assistant surgery, it is characterised in that further include and the extension tube The connector of end connection, is docked for the connector with outer harvesting portion.
- 7. the blood taking needle according to claim 6 for endoscope-assistant surgery, it is characterised in that further include for being nested with described Seal cap in extension tube and between the syringe needle and the bulb.
- 8. the blood taking needle according to claim 7 for endoscope-assistant surgery, it is characterised in that the seal cap central through hole Diameter is less than the maximum gauge of the bulb outer dia.
- 9. the blood taking needle according to claim 8 for endoscope-assistant surgery, it is characterised in that the bulb outer dia Maximum gauge is more than 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720232007.5U CN207341763U (en) | 2017-03-10 | 2017-03-10 | Blood taking needle for endoscope-assistant surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720232007.5U CN207341763U (en) | 2017-03-10 | 2017-03-10 | Blood taking needle for endoscope-assistant surgery |
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| Publication Number | Publication Date |
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| CN207341763U true CN207341763U (en) | 2018-05-11 |
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| CN201720232007.5U Active CN207341763U (en) | 2017-03-10 | 2017-03-10 | Blood taking needle for endoscope-assistant surgery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589060A (en) * | 2017-09-30 | 2018-01-16 | 北京大学第三医院 | Digestive system tumor recovery marker evaluation system and method |
-
2017
- 2017-03-10 CN CN201720232007.5U patent/CN207341763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589060A (en) * | 2017-09-30 | 2018-01-16 | 北京大学第三医院 | Digestive system tumor recovery marker evaluation system and method |
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