CN208823652U - Semi-automatic constant pressure syringe for cardiac surgery - Google Patents

Semi-automatic constant pressure syringe for cardiac surgery Download PDF

Info

Publication number
CN208823652U
CN208823652U CN201820741792.1U CN201820741792U CN208823652U CN 208823652 U CN208823652 U CN 208823652U CN 201820741792 U CN201820741792 U CN 201820741792U CN 208823652 U CN208823652 U CN 208823652U
Authority
CN
China
Prior art keywords
pressure
stabilizing
block
tube
main injection
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
CN201820741792.1U
Other languages
Chinese (zh)
Inventor
王茜
姜谧
黄立华
黄洁
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.)
First Hospital Jinlin University
Original Assignee
First Hospital Jinlin 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 First Hospital Jinlin University filed Critical First Hospital Jinlin University
Priority to CN201820741792.1U priority Critical patent/CN208823652U/en
Application granted granted Critical
Publication of CN208823652U publication Critical patent/CN208823652U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The utility model discloses a semi-automatic constant voltage syringe for cardiac surgery, including main injection tube, the adaptation is provided with a removal piston in the barrel cavity of main injection tube, the bottom barrel outside of main injection tube still integrative fixed be provided with a buffering pressure stabilizing cylinder, the sealed buffering pressure stabilizing cylinder that stretches out of lower part block of T shape main ejector pad, the adaptation is provided with a steady voltage ring piece in the cavity in the atmospheric pressure flow chamber, on the top section of thick bamboo wall of buffering pressure stabilizing cylinder, a plurality of pressure release aperture has still evenly been seted up to position department directly over corresponding steady voltage ring piece, the bearing frame through both ends is rotatable to be provided with a small-size rotatory lead screw in the left side frame that supports the mounting bracket, the lift power board is the horizontality setting and its plate body passes small-size rotatory lead screw and direction pin. The utility model discloses the transmission action is safe reasonable, and the liquid medicine injection is effectual, has reduced surgeon's the operation degree of difficulty, provides good basis for follow-up continuation treatment.

Description

A kind of semi-automatic constant-pressure syringe of department of cardiac surgery
Technical field
The utility model relates to department of cardiac surgery's equipment correlative technology field, the semi-automatic constant pressures of specifically a kind of department of cardiac surgery Syringe.
Background technique
Department of cardiac surgery is a younger subject in each branch of surgical field, mainly with operative treatment heart disease, such as Heart pass art, congenital heart disease operation, prosthetic valve replacement etc., micro-wound surgical operation refers to wound as small as possible, comes Operation required for completing achievees the purpose that treatment disease, and with the development of medical science, minimal invasive techniques are in cardiac surgery field Application it is also more and more extensive, keep department of cardiac surgery smaller and smaller towards wound, the increasing direction of safety is developed.
Department of cardiac surgery's syringe is a kind of common nursing device, by the foraminate syringe of front end band and matching Push rod composition, syringe are used to for a small amount of liquid being injected into the region that other methods can not approach or local from those Extraction, liquid or gas are sucked from syringe front end aperture when push rod is extracted, in push rod push-in by liquid or gas It squeezes out, is called injection with this process that syringe and syringe needle extracted or injected gas or liquid, mainly to inject Medical fluid or drawing liquid.
And the mobile piston in traditional department of cardiac surgery's syringe not can be carried out pushing up for " steady " in progradation Into the constant pressure steady flow result being difficult to realize in injection process, injecting liquid drug is not safe and reliable enough, and syringe not can be carried out stable work To make, injecting liquid drug effect is poor, manually advances time-consuming and laborious, and surgical operation difficulty is larger, operation progress is influenced, because This, it is necessary to existing department of cardiac surgery's syringe is improved, so that department of cardiac surgery's syringe is more perfect in structure.
Utility model content
In order to solve the problems in the existing technology, the purpose of the utility model is to provide a kind of departments of cardiac surgery to use partly certainly Dynamic constant-pressure syringe.
In order to achieve the above-mentioned object of the invention, the utility model uses technical solution as described below:
A kind of semi-automatic constant-pressure syringe of department of cardiac surgery, including main injection tube are adapted in the barrel chamber of the main injection tube It is provided with a mobile piston, is fixedly installed injection putter at the bottom center position of the mobile piston, injection putter is in Vertical state setting and its body of rod, which are adapted to downwards, stretches out main injection tube, and the body of rod bottom end of injection putter is provided with T shape and promotes mainly block, A buffering tube of pressure-stabilizing is also integrally fixedly installed on the outside of the bottom cylinder of the main injection tube, T shape promotes mainly the upper block of block Sealing is protruded into the bottom inner cavity of buffering tube of pressure-stabilizing, and buffering tube of pressure-stabilizing, the buffering are stretched out in the lower block sealing that T shape promotes mainly block Separate air pressure flow cavity out in the barrel chamber of tube of pressure-stabilizing, at the lateral circumferential position of corresponding main injection tube, in the chamber of pneumatic flow chamber Adaptation is provided with a pressure stabilizing pressure ring block in room, and the cross section of the pressure stabilizing pressure ring block is set as annular shape, pressure stabilizing pressure ring Block and T shape, which are promoted mainly, to be linked together between block by the support link that several vertical states are fixedly installed, the buffering pressure stabilizing On the top barrel of cylinder, several pressure release apertures are also uniformly provided at the position directly above of corresponding pressure stabilizing pressure ring block, it is described slow It rushes on the bottom left-hand cylinder face of tube of pressure-stabilizing and is further fixedly arranged on a support mounting rack, pass through in the left side frame of support mounting rack The bearing block at both ends is rotatably provided with a small rotary lead screw, the state setting in a vertical shape of small rotary lead screw and its top biography It is dynamic to be connected on Miniature servo-motors, fixed setting parallel with small rotary lead screw in the right side frame of the support mounting rack There is a guiding thin bar, lifting drive plate is in a horizontal state setting and its plate body passes through small rotary lead screw and guiding thin bar, the liter The internal thread through hole opened up on drop power plate is mutually adapted with small rotary lead screw to be engaged, and is opened up on the lifting drive plate Guide through hole and guiding thin bar be mutually adapted across setting, the right side upper face of the lifting drive plate and T shape promote mainly block Bottom face is integrally fixedly installed together.
Further, the top of the main injection tube is provided with injection needle.
Further, several support links are spaced equal even angle arrangement between any two.
Further, Miniature servo-motors are self-powered and are electrically connected to control switch.
Due to the adoption of the above technical scheme, the utility model has following superiority:
The utility model by had additional in the structure basis of the main injection tube of tradition buffering tube of pressure-stabilizing, pneumatic flow chamber, After pressure stabilizing pressure ring block and several pressure release apertures, when practical operation, after pushing up T shape and promoting mainly block, driven by injection putter Dynamic mobile piston carries out injecting liquid drug, and in this process, the T shape acted upwards promotes mainly block can be straight by several support links It connects and pressure stabilizing pressure ring block is pushed to move up, the chamber size in pneumatic flow chamber can be become smaller by directly compression, and air-flow can be saturating in compression Several pressure release apertures are crossed rapidly to external diffusion, the continual and steady effect of " pressure stabilizing pressure ring block " is played in diffusion process, Block can be promoted mainly under reaction force to T shape apply a downward power, mobile piston can " steady " boost, well The constant pressure steady flow result in injection process is realized, injecting liquid drug is safer reliable;And when in use, start small servo Small rotary lead screw is driven to carry out forward or reverse, during rotation, due to the interior spiral shell opened up on lifting drive plate after motor Line through-hole is mutually adapted with small rotary lead screw and is engaged, in the thread screw theory of engagement and guiding thin bar and guide through hole Under guiding cooperation, and then realize the steady operation of the syringe, actuation safe and reasonable, injecting liquid drug effect is good, compared to Traditional more preferable the degree of automation of injection process stability is higher, reduces surgical operation difficulty, persistently controls to be subsequent It treats and good basis is provided.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the semi-automatic constant-pressure syringe of department of cardiac surgery.
Fig. 2 is a kind of overlooking structure diagram of department of cardiac surgery lifting drive plate in semi-automatic constant-pressure syringe.
In figure: 1, buffering tube of pressure-stabilizing;2, main injection tube;3, mobile piston;4, injection needle;5, injection putter;6, T shape master Pushing block;7, pneumatic flow chamber;8, support link;9, pressure stabilizing pressure ring block;10, pressure release aperture;11, mounting rack is supported;12, small-sized rotation Turn lead screw;13, lifting drive plate;14, it is oriented to thin bar;15, bearing block;16, Miniature servo-motors;17, control switch;1301, Internal thread through hole;1302, guide through hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.
In conjunction with Fig. 1-2, a kind of semi-automatic constant-pressure syringe of department of cardiac surgery, including main injection tube 2, the main injection tube 2 Top be provided with injection needle 4, adaptation is provided with a mobile piston 3, the mobile work in the barrel chamber of the main injection tube 2 Injection putter 5 is fixedly installed at the bottom center position of plug 3, the state in a vertical shape of injection putter 5 is arranged and its body of rod is fitted downwards With main injection tube 2 is stretched out, the body of rod bottom end of injection putter 5 is provided with T shape and promotes mainly block 6, the bottom cylinder of the main injection tube 2 Outside is also integrally fixedly installed a buffering tube of pressure-stabilizing 1, and buffering tube of pressure-stabilizing 1 is protruded into the upper block sealing that T shape promotes mainly block 6 In the inner cavity of bottom, T shape promote mainly block 6 lower block sealing stretch out buffering tube of pressure-stabilizing 1, it is described buffering tube of pressure-stabilizing 1 barrel chamber in, it is right Air pressure flow cavity 7 out should be separated at the lateral circumferential position of main injection tube 2, be adapted to and be provided in the chamber of pneumatic flow chamber 7 One pressure stabilizing pressure ring block 9, the cross section of the pressure stabilizing pressure ring block 9 are set as annular shape, and pressure stabilizing pressure ring block 9 and T shape are featured The support link 8 being fixedly installed between block 6 by several vertical states links together, several support links 8 two-by-two it Between be spaced equal even angle arrangement, on the top barrel of the buffering tube of pressure-stabilizing 1, the surface of corresponding pressure stabilizing pressure ring block 9 Several pressure release apertures 10 are also uniformly provided at position, by having additional buffering in the structure basis of the main injection tube 2 of tradition After tube of pressure-stabilizing 1, pneumatic flow chamber 7, pressure stabilizing pressure ring block 9 and several pressure release apertures 10, when practical operation, T shape is being pushed up After featured block 6, mobile piston 3 is driven to carry out injecting liquid drug, in this process, the T shape master acted upwards by injection putter 5 Pushing block 6 can be pushed directly on pressure stabilizing pressure ring block 9 by several support links 8 and be moved up, and the chamber size in pneumatic flow chamber 7 can quilt Directly compression becomes smaller, and in compression, air-flow can play in diffusion process through several pressure release apertures 10 rapidly to external diffusion The continual and steady effect of " pressure stabilizing pressure ring block 9 " can promote mainly block 6 to T shape under reaction force and apply a downward power, move Piston 3 can " steady " boost, realize the constant pressure steady flow result in injection process well, injecting liquid drug is more Securely and reliably.
It is further fixedly arranged on a support mounting rack 11 on the bottom left-hand cylinder face of the buffering tube of pressure-stabilizing 1, is installed in support A small rotary lead screw 12, small rotary lead screw are rotatably provided with by the bearing block 15 at both ends in the left side frame of frame 11 12 states in a vertical shape are arranged and its top is sequentially connected to Miniature servo-motors 16, and Miniature servo-motors 16 are self-powered and electric It is connected to control switch 17, it is parallel with small rotary lead screw 12 in the right side frame of the support mounting rack 11 to be fixedly installed Be oriented to thin bar 14, lifting drive plate 13 be in a horizontal state setting and its plate body pass through small rotary lead screw 12 and guiding thin bar 14, The internal thread through hole 1301 opened up on the lifting drive plate 13 is mutually adapted with small rotary lead screw 12 to be engaged, the liter The guide through hole 1302 and guiding thin bar 14 opened up on drop power plate 13 is mutually adapted across setting, the lifting drive plate 13 Right side upper face and T shape promote mainly the bottom face of block 6 integrally fixed setting together, when needing to carry out the syringe in use, opening Driving small rotary lead screw 12 carries out forward or reverse, during rotation, due to lifting drive after dynamic Miniature servo-motors 16 The internal thread through hole 1301 opened up on plate 13 is mutually adapted with small rotary lead screw 12 to be engaged, in the thread screw theory of engagement Under the cooperation of the guiding of guiding thin bar 14 and guide through hole 1302, lifting drive plate 13 can be realized and move up or lowering action, into And realize the steady operation of the syringe, actuation safe and reasonable, injecting liquid drug effect is good, compared to traditional injection process The more preferable the degree of automation of stability is higher, reduces surgical operation difficulty, provides good basis for subsequent continued treatment.
Above-described is only the embodiments of the present invention, the common sense such as well known specific structure and/or characteristic in scheme It does not describe excessively herein.It should be pointed out that for those skilled in the art, before not departing from the utility model structure It puts, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not shadow Ring effect and patent practicability that the utility model is implemented.This application claims protection scope should be in its claim Subject to appearance, the records such as specific embodiment in specification can be used for explaining the content of claim.

Claims (4)

1. a kind of semi-automatic constant-pressure syringe of department of cardiac surgery, including main injection tube (2), which is characterized in that the main injection tube (2) adaptation is provided with a mobile piston (3) in barrel chamber, is fixedly installed at the bottom center position of the mobile piston (3) Have injection putter (5), injection putter (5) state in a vertical shape is arranged and its body of rod is adapted to stretches out main injection tube (2) downwards, is injecting The body of rod bottom end of push rod (5) is provided with T shape and promotes mainly block (6), and also one fixation is set on the outside of the bottom cylinder of the main injection tube (2) It is equipped with a buffering tube of pressure-stabilizing (1), the bottom inner cavity of buffering tube of pressure-stabilizing (1) is protruded into the upper block sealing that T shape promotes mainly block (6) In, the lower block sealing that T shape promotes mainly block (6), which is stretched out, buffers tube of pressure-stabilizing (1), in the barrel chamber of buffering tube of pressure-stabilizing (1), corresponds to Separate air pressure flow cavity (7) out at the lateral circumferential position of main injection tube (2), is adapted to and sets in the chamber of pneumatic flow chamber (7) It is equipped with a pressure stabilizing pressure ring block (9), the cross section of the pressure stabilizing pressure ring block (9) is set as annular shape, pressure stabilizing pressure ring block (9) It promotes mainly the support link (8) being fixedly installed between block (6) by several vertical states with T shape to link together, the buffering It is small that several pressure releases are also uniformly provided on the top barrel of tube of pressure-stabilizing (1), at the position directly above of corresponding pressure stabilizing pressure ring block (9) Hole (10), it is described buffering tube of pressure-stabilizing (1) bottom left-hand cylinder face on be further fixedly arranged on a support mounting rack (11), support peace It shelves the bearing block (15) in the left side frame of (11) by both ends and is rotatably provided with a small rotary lead screw (12), it is small-sized Rotating threaded shaft (12) state in a vertical shape is arranged and its top is sequentially connected on Miniature servo-motors (16), the support mounting rack (11) parallel with small rotary lead screw (12) in right side frame to be fixedly installed guiding thin bar (14), lifting drive plate (13) It is in a horizontal state setting and its plate body passes through small rotary lead screw (12) and is oriented to thin bar (14), on the lifting drive plate (13) The internal thread through hole (1301) opened up is mutually adapted with small rotary lead screw (12) to be engaged, on the lifting drive plate (13) The guide through hole (1302) and guiding thin bar (14) opened up is mutually adapted across setting, on the right side of the lifting drive plate (13) The bottom face that plate face and T shape promote mainly block (6) is integrally fixedly installed together.
2. a kind of semi-automatic constant-pressure syringe of department of cardiac surgery according to claim 1, which is characterized in that the main injection The top of cylinder (2) is provided with injection needle (4).
3. a kind of semi-automatic constant-pressure syringe of department of cardiac surgery according to claim 1, which is characterized in that several supports Connecting rod (8) is spaced equal even angle arrangement between any two.
4. a kind of semi-automatic constant-pressure syringe of department of cardiac surgery according to claim 1, which is characterized in that small servo electricity Machine (16) is self-powered and is electrically connected to control switch (17).
CN201820741792.1U 2018-05-18 2018-05-18 Semi-automatic constant pressure syringe for cardiac surgery Expired - Fee Related CN208823652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820741792.1U CN208823652U (en) 2018-05-18 2018-05-18 Semi-automatic constant pressure syringe for cardiac surgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820741792.1U CN208823652U (en) 2018-05-18 2018-05-18 Semi-automatic constant pressure syringe for cardiac surgery

Publications (1)

Publication Number Publication Date
CN208823652U true CN208823652U (en) 2019-05-07

Family

ID=66304583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820741792.1U Expired - Fee Related CN208823652U (en) 2018-05-18 2018-05-18 Semi-automatic constant pressure syringe for cardiac surgery

Country Status (1)

Country Link
CN (1) CN208823652U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110170084A (en) * 2019-07-05 2019-08-27 常州市第一人民医院 A kind of novopen apparatus for placing
CN110812589A (en) * 2019-11-28 2020-02-21 徐州医科大学附属医院 Sound control children vein puncture device
CN112043920A (en) * 2020-10-01 2020-12-08 姜开洋 Automatic injector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110170084A (en) * 2019-07-05 2019-08-27 常州市第一人民医院 A kind of novopen apparatus for placing
CN110812589A (en) * 2019-11-28 2020-02-21 徐州医科大学附属医院 Sound control children vein puncture device
CN112043920A (en) * 2020-10-01 2020-12-08 姜开洋 Automatic injector

Similar Documents

Publication Publication Date Title
CN208823652U (en) Semi-automatic constant pressure syringe for cardiac surgery
CN210871836U (en) Clinical hemostasis device that presses of intracardiac branch of academic or vocational study
CN208541381U (en) A kind of cardiovascular-interventional therapeutic equipment
CN107260242B (en) A kind of department of general surgery's muscle operation wireless stitching device
CN113144370A (en) Quantitative injection device for operation local anesthesia medicament
CN211962118U (en) Intravenous pressing device for infusion
CN218391227U (en) Special nanometer carbon injection device of chamber mirror thyroid surgery
CN209091710U (en) A kind of animal and veterinary is with beating needle fixation device
CN208436246U (en) A kind of Sewing needle used for stitching deligation under peritoneoscope
CN206183432U (en) Experimental animals irrigator
CN211244031U (en) A nursing device for chemotherapy medicine exosmosis
CN208822918U (en) A kind of Cardiological puncture needle
CN208541652U (en) A kind of vaccine syringe with heat preservation and refrigerating function
CN208769881U (en) A kind of hematology's nosal hemostat for capableing of quick-acting haemostatic powder
CN100450459C (en) Hydraulic coronary ligation instrument
CN209004922U (en) Drop blood back prevents valve
CN209221196U (en) A kind of novel portable insulin syringe
CN208943038U (en) A kind of ascites drainage recyclable device
CN205198374U (en) Anesthesia medicament injection auxiliary device
CN206228660U (en) A kind of catheter type ventricular assist device
CN208388766U (en) A kind of medical emergency surgery fractures equipment
CN207041724U (en) Multi-point anesthetic injecting device
CN208823646U (en) Venous transfusion control device for cardiac surgery
CN108451574A (en) A kind of infusion intravenous pressing device
CN221830704U (en) Accurate pressing hemostasis device for medical nursing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190507

Termination date: 20210518