CN208492244U - A kind of anaesthetic puncture needle - Google Patents

Abstract

The utility model discloses a kind of anaesthetic puncture needles, are related to medical instruments field.It includes puncture needle, regulating device, fixed device, two power devices；The fixation device includes the end cap that bottom plate is fixedly connected with bottom plate front end；Bottom plate front center is provided with vertical sliding rail；Through-hole corresponding with sliding rail is opened in end cap front end；End cap front end is fixedly connected with position-limiting tube；Bottom plate front end or so two is all provided with arc-shaped slide rail, two arc-shaped slide rail bilateral symmetries；Bottom plate right end is provided with lateral rotation hole.The beneficial effects of the utility model are: when using, uniform force, adjusting stress is facilitated to avoid the excessive penetration damage skin histology of dynamics, when encountering the slightly strong such as vertebra blocking bigger than common skin tissue intensity, uniform dynamics is inadequate, rubber wheel will dally, and medical worker is it is to be understood that prevention manpower is passed through causing unnecessary damage.

Description

A kind of anaesthetic puncture needle

Technical field

The utility model relates to medical instruments fields.

Background technique

In surgical operation, anesthesia be it is essential, anesthesia also can according to the patient's condition there are many mode anesthesia.Such as In waist caudal anaesthesia or when need to encounter the slightly strong such as vertebra bigger than common skin tissue intensity and blocking, generally all by Medical staff voluntarily experiences, if at arrival vertebra etc., accurately judges and feel entirely exist and be easy to exert oneself by operator The tissues bigger than common skin tissue intensity such as vertebra are passed through greatly to cause to damage.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of anaesthetize for above-mentioned technical deficiency and wear Pricker.In use, uniform force, facilitate and adjust stress and avoid the excessive penetration damage skin histology of dynamics, when encountering slightly strong ratio When the big such as vertebra of common skin tissue intensity blocks, uniform dynamics is inadequate, and rubber wheel will dally, and medical worker can It solves, prevention manpower is passed through causing unnecessary damage.

The technical solution adopted in the utility model is: providing a kind of anaesthetic puncture needle, including puncture needle, regulating device, solid Determine device, two power devices；The fixation device includes the end cap that bottom plate is fixedly connected with bottom plate front end；Bottom plate front end Middle part is provided with vertical sliding rail；Through-hole corresponding with sliding rail is opened in end cap front end；End cap front end is fixedly connected with position-limiting tube；Bottom Front edge of board or so two are all provided with arc-shaped slide rail, two arc-shaped slide rail bilateral symmetries；Bottom plate right end is provided with lateral rotation hole；Bottom Restraining position ring block is fixedly installed in front edge of board；The puncture needle and position-limiting tube cooperation；The regulating device includes regulating wheel, adjusts Bar；Regulating wheel left end is fixedly connected with lead screw；Lead screw left part is left hand thread, and right part is right-handed thread；Lead screw and rotation hole turn Dynamic connection；There are two movable blocks for the setting of bottom plate front end；Two movable blocks pass through bottom plate and threads of lead screw cooperates, two movable blocks and Bottom plate front end slides laterally connection；Adjusting rod and sliding rail are slidably matched, and the through-hole of adjusting rod and end cap is slidably matched；Described Two power devices are symmetrically and structure is identical；Right end power device includes support shaft；Support the movement of shaft rear end and right end Block front end is fixedly connected；It is rotatably connected to semicircle on the outside of support shaft and drives shell；Support shaft front end is rotatably connected to ratchet；Before ratchet End has been fixedly and coaxially connected connecting shaft；Connecting shaft front end has been fixedly and coaxially connected rubber wheel；Semicircle drives rotation connection on the inside of shell There is pawl；Ratchet and pawl is equipped with；Semicircle drives shell right end to be fixedly connected with driven rod；On the downside of driven rod along its length Slidably connect sliding block；It is slidably matched in sliding block and arc-shaped slide rail；Driven rod upper side is fixedly connected with spring；Spring at front end is solid Surely it is connected with snap-gauge；Snap-gauge is fixedly connected with bottom plate；Sliding block upper surface is fixedly connected with band running rope；The band running rope other end passes through limit Position ring is fixedly connected with adjusting rod lower end.

It advanced optimizes the technical program, is evenly arranged with graduation mark on the outside of a kind of regulating wheel of anaesthetic puncture needle.

Advanced optimize the technical program, the end cap front lower portion and front end right part of a kind of anaesthetic puncture needle are provided with prompt Line.

The utility model compared with traditional puncture needle, the beneficial effect is that: 1, lead screw external left-handed thread and dextrorotation spiral shell The structure of line is, it can be achieved that moving synchronously for power device；Movable block finally drives rubber wheel by support shaft, ratchet, connecting shaft It is mobile；Regulating wheel is rotated to adjust the distance of two rubber wheels and puncture needle, and adjusts two rubber wheels and punctures wire surface Contact area；2, adjusting rod passes through band running rope, stop collar, and driven rod drives semicircle to drive shell rotation；Semicircle drives shell to cooperate spine Wheel, pawl, auxiliary, which is realized, to be completed；Two rubber wheel different directions rotate simultaneously, according to the contact surface area with puncture needle, into Row drives puncture needle mobile；When be adjusted to contact area it is small when, uniform stressed is mobile always punctures for puncture needle, slightly strong when encountering When than common skin tissue intensity, big such as vertebra is blocked, uniform dynamics is inadequate, and rubber wheel will dally, and medical worker is just Recognize well, where puncture needle punctures arrival, and prevention manpower is passed through causing unnecessary damage；3, adjusting rod, bullet The structure of spring, snap-gauge, driven rod, ratchet, pawl drives adjusting rod slide downward to reset, facilitates continuous use by stop collar It is used with next time；Rotating regulating wheel can control the distance of two rubber wheels, increase or reduce connecing for two rubber wheels and puncture needle Contacting surface product；Contact area is small, and the idle running of rubber wheel can reduce puncture needle across designated position；When contact area is big, it is possible to increase wear The mobile power of pricker；4, it is evenly arranged with graduation mark on the outside of regulating wheel, is adjusted for facilitating according to accurate size, to adjust rubber The contact area of wheel and puncture needle；The distance that end cap front lower portion indication wire is used to that observation puncture needle to be facilitated to lunge；End cap front end Right part indication wire is used for vision-control wheel direction of rotation, and prompting operator, how torque defection is close or repel each other.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the end cap transparent configuration schematic diagram of the utility model；

Fig. 3 is structural schematic diagram at the lead screw and power device of the utility model；

Fig. 4 is that the semicircle of the utility model drives structural schematic diagram at shell；

Fig. 5 is the decomposition texture schematic diagram of the utility model；

In figure, 1, puncture needle；2, bottom plate；3, end cap；4, sliding rail；5, through-hole；6, arc-shaped slide rail；7, stop collar；8, it adjusts Wheel；9, adjusting rod；10, lead screw；11, movable block；12, support shaft；13, semicircle drives shell；14, ratchet；15, connecting shaft；16, rubber Rubber tire；17, pawl；18, driven rod；19, sliding block；20, spring；21, snap-gauge；22, band running rope；23, graduation mark；24, indication wire； 25, position-limiting tube；26, rotation hole.

Specific embodiment

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.

As shown in Figs. 1-5, a kind of anaesthetic puncture needle, including puncture needle 1, regulating device, fixed device, two power dresses It sets；The fixation device includes the end cap 3 that bottom plate 2 is fixedly connected with 2 front end of bottom plate；2 front center of bottom plate is provided with vertical Sliding rail 4；It has opened and the corresponding through-hole 5 of sliding rail 43 front end of end cap；3 front end of end cap is fixedly connected with position-limiting tube 25；2 front end of bottom plate Left and right two is all provided with arc-shaped slide rail 6, two 6 bilateral symmetries of arc-shaped slide rail；2 right end of bottom plate is provided with lateral rotation hole 26；Bottom Restraining position ring block 7 is fixedly installed in 2 front end of plate；The puncture needle 1 and position-limiting tube 25 cooperate；The regulating device includes regulating wheel 8, adjusting rod 9；8 left end of regulating wheel is fixedly connected with lead screw 10；10 left part of lead screw is left hand thread, and right part is right-handed thread；Silk Thick stick 10 and rotation hole 26 are rotatablely connected；There are two movable blocks 11 for the setting of 2 front end of bottom plate；Two movable blocks 11 pass through bottom plate and lead screw 10 are threadedly engaged, and two movable blocks 11 and 2 front end of bottom plate slide laterally connection；Adjusting rod 9 and sliding rail 4 are slidably matched, and adjust The through-hole 5 of bar 9 and end cap 3 is slidably matched；Two power devices bilateral symmetry and structure is identical；Right end power device packet Include support shaft 12；12 rear end of support shaft is fixedly connected with 11 front end of movable block of right end；Half is rotatably connected on the outside of support shaft 12 Round belt moves shell 13；12 front end of support shaft is rotatably connected to ratchet 14；14 front end of ratchet has been fixedly and coaxially connected connecting shaft 15；Connection 15 front end of axis has been fixedly and coaxially connected rubber wheel 16；Semicircle drives and is rotatably connected to pawl 17 on the inside of shell 13；Pawl 17 and ratchet 14 are equipped with；Semicircle drives 13 right end of shell to be fixedly connected with driven rod 18；18 downside of driven rod is slidably connected along its length There is sliding block 19；It is slidably matched in sliding block 19 and arc-shaped slide rail 6；18 upper side of driven rod is fixedly connected with spring 20；Before spring 20 End is fixedly connected with snap-gauge 21；Snap-gauge 21 is fixedly connected with bottom plate 2；19 upper surface of sliding block is fixedly connected with band running rope 22；It drives 22 other ends of restricting pass through stop collar 7 and are fixedly connected with 9 lower end of adjusting rod；Graduation mark 23 is evenly arranged on the outside of regulating wheel 8；End cap 3 front lower portions and front end right part are provided with indication wire 24.

As shown in Figure 1, and will be worn between two rubber wheels 16 on end cap 3 in use, puncture needle 1 passes through position-limiting tube 25 Pricker 1 is inserted into the skin that need to be anaesthetized, and at this moment rotates regulating wheel 8, and regulating wheel 8 drives lead screw 10 to rotate in rotation hole 26, silk The left hand thread and right-handed thread in 10 outside of thick stick and then rotate, and the rotation of left hand thread and right-handed thread will drive two movable blocks The 11 close positive and negative rotations for perhaps repelling each other movement regulating wheel 8 can adjust that two movable blocks 11 are close or the movement that repels each other；Rotation is adjusted Wheel 8, movable block 11 finally drive rubber wheel 16 mobile by support shaft 12, ratchet 14, connecting shaft 15；Regulating wheel 8 is rotated to adjust The distance of two rubber wheels 16 and puncture needle 1 is saved, and adjusts the contact area of two rubber wheels 16 and 1 surface of puncture needle；

After regulating, adjusting rod 9 is moved up, band running rope 22 follows adjusting rod 9 mobile, and stop collar 7 is used for restriction band The moving direction of running rope 22, driven rod 18 follow band running rope 22 mobile, and driven rod 18 drives semicircle that shell 13 is driven to rotate；Such as Fig. 4 Shown, semicircle drives shell 13 mobile with pawl 17, and pawl 17 blocks ratchet 14, and ratchet 14 and then rotates, and ratchet 14 passes through company Spindle 15 drives 16 shaft of rubber wheel；Two 16 different directions of rubber wheel rotate simultaneously, according to the surface contact surface with puncture needle 1 Product carries out driving puncture needle 1 mobile；When be adjusted to contact area it is small when, uniform stressed is mobile always punctures for puncture needle 1, works as chance When blocking to the slightly strong such as vertebra bigger than common skin tissue intensity, uniform dynamics is inadequate, and rubber wheel 16 will dally, Medical worker is all right to be recognized, where puncture needle 1 punctures arrival, and prevention manpower is passed through causing unnecessary damage；

While moving up adjusting rod 9, cancel the movement of adjusting rod 9, spring 20 will be according to snap-gauge 21 and band Driven rod 18 is pushed up and replys position by the connection of lever 18, and driven rod 18 resets semicircle and shell 13 is driven to rotate, and pawl 17 and then moves, According to 17 structure of ratchet 14 and pawl, at this moment pawl 17 not will drive the rotation of ratchet 14, and rubber wheel 16 and puncture needle 1 are kept not Dynamic, band running rope 22 follows driven rod 18 mobile, and band running rope 22 drives 9 slide downward of adjusting rod to reset by stop collar 7, facilitates company It is continuous to be used using with next；Rotating regulating wheel 8 can control the distance of two rubber wheels 16, increase or reduce two 16 Hes of rubber wheel The contact area of puncture needle 1；Contact area is small, and the idle running of rubber wheel 16 can reduce puncture needle 1 across designated position；Contact area Greatly, it is possible to increase the mobile power of puncture needle 1.

Claims (3)

1. a kind of anaesthetic puncture needle, it is characterised in that: including puncture needle 1, regulating device, fixed device, two power devices；

The fixation device includes the end cap 3 that bottom plate 2 is fixedly connected with 2 front end of bottom plate；2 front center of bottom plate is provided with vertically Sliding rail 4；It has opened and the corresponding through-hole 5 of sliding rail 43 front end of end cap；3 front end of end cap is fixedly connected with position-limiting tube 25；Before bottom plate 2 End left and right two is all provided with arc-shaped slide rail 6, two 6 bilateral symmetries of arc-shaped slide rail；2 right end of bottom plate is provided with lateral rotation hole 26； Restraining position ring block 7 is fixedly installed in 2 front end of bottom plate；The puncture needle 1 and position-limiting tube 25 cooperate；

The regulating device includes regulating wheel 8, adjusting rod 9；8 left end of regulating wheel is fixedly connected with lead screw 10；10 left part of lead screw For left hand thread, right part is right-handed thread；Lead screw 10 and rotation hole 26 are rotatablely connected；There are two movable blocks for the setting of 2 front end of bottom plate 11；Two movable blocks 11 pass through bottom plate and lead screw 10 is threadedly engaged, and two movable blocks 11 and 2 front end of bottom plate slide laterally connection； Adjusting rod 9 and sliding rail 4 are slidably matched, and the through-hole 5 of adjusting rod 9 and end cap 3 is slidably matched；

Two power devices bilateral symmetry and structure is identical；Right end power device includes support shaft 12；After support shaft 12 End is fixedly connected with 11 front end of movable block of right end；It is rotatably connected to semicircle on the outside of support shaft 12 and drives shell 13；Before support shaft 12 End is rotatably connected to ratchet 14；14 front end of ratchet has been fixedly and coaxially connected connecting shaft 15；15 front end of connecting shaft is fixedly and coaxially connected There is rubber wheel 16；Semicircle drives and is rotatably connected to pawl 17 on the inside of shell 13；Pawl 17 and ratchet 14 are equipped with；Semicircle drives shell 13 right ends are fixedly connected with driven rod 18；18 downside of driven rod slidably connects sliding block 19 along its length；Sliding block 19 and arc It is slidably matched in sliding rail 6；18 upper side of driven rod is fixedly connected with spring 20；20 front end of spring is fixedly connected with snap-gauge 21；Card Plate 21 is fixedly connected with bottom plate 2；19 upper surface of sliding block is fixedly connected with band running rope 22；Band 22 other end of running rope passes through stop collar 7 It is fixedly connected with 9 lower end of adjusting rod.

2. a kind of anaesthetic puncture needle according to claim 1, it is characterised in that: be evenly arranged with scale on the outside of regulating wheel 8 Line 23.

3. a kind of anaesthetic puncture needle according to claim 1, it is characterised in that: 3 front lower portion of end cap and front end right part are set It is equipped with indication wire 24.