CN208756635U - The syringe of negative pressure state in a kind of syringe - Google Patents

The syringe of negative pressure state in a kind of syringe Download PDF

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Publication number
CN208756635U
CN208756635U CN201820514036.5U CN201820514036U CN208756635U CN 208756635 U CN208756635 U CN 208756635U CN 201820514036 U CN201820514036 U CN 201820514036U CN 208756635 U CN208756635 U CN 208756635U
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CN
China
Prior art keywords
syringe
cylinder
negative pressure
movable clamp
clamp groove
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.)
Expired - Fee Related
Application number
CN201820514036.5U
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Chinese (zh)
Inventor
张升校
石磊
张琳
严明
刘广颖
韩晓蕾
郭华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Second Hospital of Shanxi Medical University
Original Assignee
Second Hospital of Shanxi Medical University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Second Hospital of Shanxi Medical University filed Critical Second Hospital of Shanxi Medical University
Priority to CN201820514036.5U priority Critical patent/CN208756635U/en
Application granted granted Critical
Publication of CN208756635U publication Critical patent/CN208756635U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The syringe of negative pressure state in a kind of syringe, belong to the field of medical instrument technology, syringe technical problem inconvenient to use during solution abdominocentesis, solution are as follows: the present apparatus includes syringe, piston rod and syringe negative pressure device, and syringe negative pressure device includes cylinder, fixed card slot, movable clamp groove and limit fastener;The tail end of syringe is equipped with fixed handle, and piston rod outer end is equipped with flexible handle, and cylinder lateral wall lower part is equipped with sliding slot, is equipped with opening in the middle part of cylinder lateral wall, limit fastener is articulated at aperture position;Fixed card slot is installed on the open end side of cylinder, and fixed handle is installed in fixed card slot;Movable clamp groove is installed on the interior of cylinder, and flexible handle is installed in movable clamp groove, is equipped with release link with the position corresponding position of sliding slot on the side wall of movable clamp groove, negative pressure spring is provided between movable clamp groove and the bottom surface of cylinder.Medical worker's independent operation, which can be achieved, in the utility model during abdominocentesis to tap the abdomen, and manpower is greatly saved.

Description

The syringe of negative pressure state in a kind of syringe
Technical field
The utility model belongs to the field of medical instrument technology, in particular to the syringe of negative pressure state in a kind of syringe.
Background technique
Abdominocentesis is a Clinics for being directly pierced into cavum peritoneale from abdomen antetheca by puncture needle.Abdominocentesis is For the property of clear seroperitoneum, cause of disease is found out, the method for assisting diagnosis;Can also suitable extraction ascites, to mitigate patient Intraperitoneal pressure alleviates abdominal distension, uncomfortable in chest, out of breath, the symptoms such as expiratory dyspnea, reduces venous return resistance, improvement blood circulation; It can also be used in peritoneal lavage, intraperitoneal injection drug etc. and assist disease treatment.
During diagnostic puncture, we aspirate appropriate ascites by common 50ml syringe repeatedly, for different chemical examinations. Conventional syringe is to extract liquid with the pull rod of manpower pumping emitter by medical personnel, is had the disadvantage in that
1, operator and assistant aspirate and press from both sides repeatedly that close rubber tube cumbersome and time consuming;
2, assistant firmly aspirates ascites for a long time, causes assistant's strength to be gradually reduced, foot cannot be aspirated when ascites is less Amount ascites is for chemically examining, and on the other hand, syringe body outer portion needs to keep the steady of relative position with patient in the course of surgery Fixed, this requires patients to need to keep identical posture for a long time, once patient has the activity on body, easily causes puncture needle living Dynamic damage viscera tissue;
3, since operating space is limited, operator and assistant are easy to cause syringe contact isolation in aspiration procedure repeatedly Clothing etc. has fungus product, pollutes syringe, it is abnormal to lead to result of laboratory test, or even ascites is caused to infect.
Utility model content
In order to overcome the shortcomings of the prior art, syringe technology inconvenient to use during solution abdominocentesis Problem provides a kind of syringe of negative pressure state in syringe.
The utility model is achieved by the following technical programs.
The syringe of negative pressure state in a kind of syringe, it includes syringe, piston rod and syringe negative pressure device, the syringe Front end be provided with syringe needle, fixed handle is provided at the tail end endface position of syringe, the piston rod is installed in syringe, One end on piston rod close to syringe needle is equipped with piston, and the other end of piston rod extends to outside syringe, on piston rod outer end It is provided with flexible handle, it is characterised in that:
The syringe negative pressure device includes cylinder, fixed card slot, movable clamp groove and limit fastener;
The side wall of the cylinder is set as tile, and the bottom of cylinder is set as semicircle cylinder bottom, cylinder side side wall Lower part is provided with sliding slot along the axis direction of cylinder, the axis of the middle part of the middle part of cylinder lateral wall front surface and rear surface along cylinder Direction is symmetrically arranged with several openings, and one end of the limit fastener extends to the inside of cylinder through opening, limit fastener with Limit spring is provided between the inner wall of cylinder, one end of limit fastener extends to the outside of cylinder, and limit fastener is articulated with out At mouth position;
The fixed card slot and movable clamp groove are U-shaped, and fixed card slot is installed on the open end side of cylinder, the fixation Handle is removably installed in fixed card slot;The inside that the movable clamp groove is installed on cylinder is reciprocal along the axis direction of cylinder Sliding, the flexible handle is removably installed in movable clamp groove, on the side wall of movable clamp groove with the position of the sliding slot Corresponding position is equipped with release link, and negative pressure spring is provided between movable clamp groove and the bottom surface of cylinder, and negative pressure spring, which is in, stretches shape State.
Further, the limit spring is in compressive state.
Further, graduation mark, the distance between adjacent described opening and syringe high scale line are provided on the syringe The distance between it is corresponding.
The syringe of negative pressure state in a kind of syringe provided by the utility model, compared with prior art the utility model It has the beneficial effect that
1, the principle shunk automatically using the spring under tensional state, can to generating subnormal ambient in injector syringe, It realizes auto-pumping, greatly saves worker's manpower, it is time saving and energy saving.
2, syringe is removably installed in syringe negative pressure device, and syringe negative pressure device is reusable, more environmentally friendly.
3, medical worker's independent operation can be achieved during abdominocentesis can tap the abdomen, and manpower is greatly saved.
4, the distance between limit fastener is designed according to the graduation mark of corresponding syringe, can limit movable hand at any time in this way The position of handle facilitates the ascites for extracting certain volume.
Detailed description of the invention
Fig. 1 is the utility model schematic view of the front view.
Fig. 2 is the face A-A schematic cross-sectional view in Fig. 1.
Fig. 3 is the overlooking structure diagram of Fig. 1.
In figure, 1 is syringe, and 2 be piston rod, and 3 be fixed handle, and 4 be fixed card slot, and 5 be cylinder, and 6 be movable clamp groove, 7 It is negative pressing spring for flexible handle, 8,9 be limit spring, and 10 be limit fastener, and 11 be release link, and 12 be opening, and 13 be sliding slot.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
The syringe of negative pressure state in a kind of syringe as shown in Figure 1 to Figure 3, it includes syringe 1, piston rod 2 and needle Negative well bore pressure device, the front end of the syringe 1 are provided with syringe needle, fixed handle 3, institute are provided at the tail end endface position of syringe 1 It states piston rod 2 to be installed in syringe 1, one end on piston rod 2 close to syringe needle is equipped with piston, and the other end of piston rod 2 prolongs It extends to outside syringe, piston rod is provided with flexible handle 7 on 2 outer end, it is characterised in that:
The syringe negative pressure device includes cylinder 5, fixed card slot 4, movable clamp groove 6 and limit fastener 10;
The side wall of the cylinder 5 is set as tile, and the bottom of cylinder 5 is set as semicircle cylinder bottom, 5 side side wall of cylinder Lower part the axis direction of cylinder 5 is provided with sliding slot 13, the middle part of 5 side wall front surface of cylinder and the middle part of rear surface are along cylinder 5 axis direction is symmetrically arranged with several openings 12, and one end of the limit fastener 10 extends to the interior of cylinder 5 through opening Portion, is provided with limit spring 9 between limit fastener 10 and the inner wall of cylinder 5, one end of limit fastener 10 extends to the outer of cylinder 5 Portion, limit fastener 10 are articulated at aperture position;
The fixed card slot 4 and movable clamp groove 6 are U-shaped, and fixed card slot 4 is installed on the open end side of cylinder 5, described Fixed handle 3 is removably installed in fixed card slot 4;The movable clamp groove 6 is installed on axis of the inside along cylinder 5 of cylinder 5 Line direction reciprocatingly slides, and the flexible handle 7 is removably installed in movable clamp groove 6, on the side wall of movable clamp groove 6 with institute The position corresponding position for stating sliding slot 13 is equipped with release link 11, and negative pressure spring 8 is provided between movable clamp groove 6 and the bottom surface of cylinder 5, Negative pressure spring 8 is in tensional state.
Further, the limit spring 9 is in compressive state.
Further, be provided with graduation mark on the syringe 1, the distance between adjacent described opening 12 with carved on syringe 1 It is corresponding to spend the distance between line.
The use process and principle of the utility model are as follows:
Firstly, the release link 11 in sliding sliding slot 13 moves to 5 open end side of cylinder, the bottom of movable clamp groove 6 and cylinder 5 The negative pressure spring 8 being arranged between face is in tensional state, and fixed handle 3 is installed in fixed card slot 4, and flexible handle 7 is installed In movable clamp groove 6, syringe 1 is fixedly installed on syringe negative pressure device;At the same time, limit spring 9 is in compressive state, limit Position buckle 10 is in close state, and limit fastener 10 limits the movement of movable clamp groove 6, i.e. the position of limitation flexible handle 7 is mobile;
Then, the present apparatus is moved at the position that patient needs to perform the operation, Manual press limit fastener 10, limit spring 9 It is further compressed, limit fastener 10 is rotated around hinged place, and movable clamp groove 6 passes through limit under the action of negative pressure 8 convergent force of spring Position buckle 10, movable clamp groove 6 drives flexible handle 7 to move, and piston rod 2 stretches out outside syringe 1, real in the determination volume in syringe 1 Existing subnormal ambient, patient's ascites are drawn to automatically in syringe 1;Limit fastener 10 is successively pressed by first and tail, operator completes needle Ascites operation is extracted in cylinder 1;
Finally, by extraction there is the syringe 1 of ascites to remove from syringe negative pressure device, the ascites in syringe 1 can carry out into One step is examined, and manual actuation release link 11 moves to initial position.
It repeats the above steps, extracts next syringe ascites.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to It is any to be familiar with those skilled in the art within the technical scope disclosed by the utility model in this, the variation that can be readily occurred in Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (3)

1. the syringe of negative pressure state in a kind of syringe, it includes syringe (1), piston rod (2) and syringe negative pressure device, described The front end of syringe (1) is provided with syringe needle, and fixed handle (3), the piston rod are provided at the tail end endface position of syringe (1) (2) it is installed in syringe (1), one end on piston rod (2) close to syringe needle is equipped with piston, and the other end of piston rod (2) prolongs It extends to outside syringe, is provided with flexible handle (7) on piston rod (2) outer end, it is characterised in that:
The syringe negative pressure device includes cylinder (5), fixed card slot (4), movable clamp groove (6) and limit fastener (10);
The side wall of the cylinder (5) is set as tile, and the bottom of cylinder (5) is set as semicircle cylinder bottom, cylinder (5) side side The lower part of wall is provided with sliding slot (13) along the axis direction of cylinder (5), in the middle part and rear surface of cylinder (5) side wall front surface Portion is symmetrically arranged with several openings (12) along the axis direction of cylinder (5), and one end of the limit fastener (10) is through opening (12) inside of cylinder (5) is extended to, is provided between limit fastener (10) and the inner wall of cylinder (5) limit spring (9), is limited One end of buckle (10) extends to the outside of cylinder (5), and limit fastener (10) is articulated at opening (12) position;
The fixed card slot (4) and movable clamp groove (6) are U-shaped, and fixed card slot (4) is installed on the open end side of cylinder (5), The fixed handle (3) is removably installed in fixed card slot (4);The movable clamp groove (6) is installed on the inside of cylinder (5) Axis direction along cylinder (5) reciprocatingly slides, and the flexible handle (7) is removably installed in movable clamp groove (6), in activity It is equipped with release link (11) on the side wall of card slot (6) with the position corresponding position of the sliding slot (13), movable clamp groove (6) and cylinder (5) it is provided between bottom surface negative pressure spring (8), negative pressure spring (8) is in tensional state.
2. the syringe of negative pressure state in a kind of syringe according to claim 1, it is characterised in that: the limit spring (9) it is in compressive state.
3. the syringe of negative pressure state in a kind of syringe according to claim 1, it is characterised in that: on the syringe (1) It is provided with graduation mark, the distance between the distance between adjacent described opening (12) syringe (1) high scale line is corresponding.
CN201820514036.5U 2018-04-12 2018-04-12 The syringe of negative pressure state in a kind of syringe Expired - Fee Related CN208756635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820514036.5U CN208756635U (en) 2018-04-12 2018-04-12 The syringe of negative pressure state in a kind of syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820514036.5U CN208756635U (en) 2018-04-12 2018-04-12 The syringe of negative pressure state in a kind of syringe

Publications (1)

Publication Number Publication Date
CN208756635U true CN208756635U (en) 2019-04-19

Family

ID=66125434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820514036.5U Expired - Fee Related CN208756635U (en) 2018-04-12 2018-04-12 The syringe of negative pressure state in a kind of syringe

Country Status (1)

Country Link
CN (1) CN208756635U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206521A (en) * 2019-05-31 2019-09-06 山东科技大学 A kind of water filling segmentation of coal seam long drilled holes, which is opened, splits device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110206521A (en) * 2019-05-31 2019-09-06 山东科技大学 A kind of water filling segmentation of coal seam long drilled holes, which is opened, splits device and method
CN110206521B (en) * 2019-05-31 2021-11-23 山东科技大学 Coal seam long-drill-hole water injection sectional crack initiation device and method

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190419

Termination date: 20200412

CF01 Termination of patent right due to non-payment of annual fee