CN211409264U

CN211409264U - Micro-plastic trocar

Info

Publication number: CN211409264U
Application number: CN201920462002.0U
Authority: CN
Inventors: 陈志芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-09-04
Anticipated expiration: 2029-04-08

Abstract

The utility model relates to a micro-plastic trocar. The micro-plastic trocar comprises a cannula main body, wherein a cavity is arranged in the cannula main body, a fixed rod is fixedly arranged on the inner wall of the cavity, a first pressing block is fixedly arranged on the outer surface of the other end of the fixed rod, one side, away from the fixed rod, of the first pressing block is contacted with an insertion tube, a second pressing block is pasted on the outer surface of one side, away from the fixed rod, of the insertion tube, a compression spring and a connecting rope are fixedly arranged on the outer surface of one side, away from the insertion tube, of the second pressing block, one end of the connecting rope penetrates through the compression spring and is fixedly connected with a screw rod, the other end of the screw rod penetrates through the tube wall of the cannula main body and is fixedly connected with an adjusting knob, the screw rod is in threaded; this little plastic trocar, design benefit, convenient operation helps controlling the liquid medicine circulation, and can recycle, comparatively practical.

Description

Micro-plastic trocar

Technical Field

The utility model belongs to the technical field of the trocar, concretely relates to little plastic trocar.

Background

The trocar mainly forms by needle body and sleeve pipe combination, the sheathed tube effect can be supplementary doctor hold, the injection or be convenient for fix etc. single or multiple function's combination, to traditional little plastic trocar, its single structure, when needs increase certain liquid medicine pipe length temporarily, traditional trocar can't help the doctor to use, and traditional regulation of trocar for plastic presss from both sides, mostly be with transfer line fixed connection's disposable tool, very extravagant resource.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a micro-plastic trocar with simple structure and reasonable design for solving the problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a micro-plastic trocar, includes the sleeve pipe main part, the inside of sleeve pipe main part is provided with the cavity, cavity inner wall fixed mounting has the dead lever, the other end external surface fixed mounting of dead lever has a briquetting, one side contact that the dead lever was kept away from to a briquetting has the intubate, one side surface that the dead lever was kept away from to the intubate is pasted No. two briquetting, one side external surface fixed mounting that the intubate was kept away from to No. two briquetting has compression spring and is connected the rope, it passes compression spring fixedly connected with screw rod to connect rope one end, the other end of screw rod runs through the pipe wall fixedly connected with adjust knob of sleeve pipe main part, the pipe wall threaded connection of screw rod and sleeve pipe main part, the lower extreme of sleeve pipe main part can be dismantled.

As a further optimization scheme of the utility model, the needle body is located the inside one end fixedly connected with siphunculus of needle tubing main part, the other end and the intubate of siphunculus can be dismantled and be connected.

As a further optimization scheme of the utility model, the one end fixed mounting who keeps away from the needle body of siphunculus has the inner tube of connection, inner tube of connection and intubate threaded connection.

As the utility model discloses a further optimization scheme, the lower extreme surface fixed mounting of sleeve pipe main part has the buckle, the upper end surface of needle tubing main part is provided with the catching groove with buckle matched with, the needle tubing main part passes through the buckle and can dismantle with the sleeve pipe main part and be connected.

As the utility model discloses a further optimization scheme, the upper end surface central point of sleeve pipe main part puts fixed mounting with sealed piece.

As a further optimization scheme of the utility model, the upper end surface of sleeve pipe main part has seted up inner circle groove and outer lane groove around sealed piece, the cell wall in inner circle groove and outer lane groove has all seted up helicitic texture.

The beneficial effects of the utility model reside in that: the utility model discloses be provided with the needle tubing main part, hidden winding has the siphunculus in the needle tubing main part to the needle tubing main part is connected with the sleeve pipe main part buckle, when needs extension medicine conveying pipe uses, can scratch open the needle tubing main part, emits the siphunculus, is used for the auxiliary usage, and the utility model discloses a rotary adjusting knob can adjust compression spring, utilizes compression spring to block or open the liquid medicine of flowing through the intubate to utilize the intubate and be connected inner tube complex application method, reduce the possibility that pollutes the sleeve pipe main part, be convenient for recycle, this little plastic trocar, design benefit, convenient operation helps control liquid medicine circulation, and can recycle, comparatively practical.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of fig. 1 of the present invention;

FIG. 3 is a schematic structural view of the inner connecting pipe of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a cannula body; 2. a needle tube body; 3. a needle body; 4. a sealing block; 5. an inner ring groove; 6. an outer ring groove; 7. pipe passing; 8. inserting a tube; 9. fixing the rod; 10. adjusting a knob; 11. a compression spring; 12. connecting ropes; 13. connecting the inner pipes; 14. and (5) buckling.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 to 4, a micro-plastic trocar comprises a cannula body 1, a cavity is arranged inside the cannula body 1, a fixed rod 9 is fixedly arranged on the inner wall of the cavity, a first pressing block is fixedly arranged on the outer surface of the other end of the fixed rod 9, one side of the first pressing block, which is far away from the fixed rod 9, is contacted with the insertion pipe 8, the outer surface of one side of the insertion pipe 8, which is far away from the fixed rod 9, is pasted with a second pressing block, the outer surface of one side of the second pressing block far away from the insertion pipe 8 is fixedly provided with a compression spring 11 and a connecting rope 12, one end of the connecting rope 12 is fixedly connected with a screw rod through the compression spring 11, the other end of the screw rod penetrates through the pipe wall of the casing main body 1 and is fixedly connected with an adjusting knob 10, the screw rod is in threaded connection with the wall of the sleeve main body 1, the lower end of the sleeve main body 1 is detachably connected with a needle tube main body 2, and a needle body 3 is fixedly installed at the lower end of the needle tube main body 2; the outer surface of the lower end of the sleeve main body 1 is fixedly provided with a buckle 14, the outer surface of the upper end of the needle tube main body 2 is provided with a buckle groove matched with the buckle 14, and the needle tube main body 2 is detachably connected with the sleeve main body 1 through the buckle 14

One end of the needle body 3, which is positioned in the needle tube main body 2, is fixedly connected with a through tube 7, and the other end of the through tube 7 is detachably connected with an insertion tube 8; a connecting inner tube 13 is fixedly arranged at one end of the through tube 7 far away from the needle body 3, and the connecting inner tube 13 is in threaded connection with the insertion tube 8;

a sealing block 4 is fixedly arranged at the center of the outer surface of the upper end of the sleeve main body 1; the outer surface of the upper end of the sleeve main body 1 is provided with an inner ring groove 5 and an outer ring groove 6 around the sealing block 4, and the groove walls of the inner ring groove 5 and the outer ring groove 6 are both provided with a thread structure, so that the surface of the sleeve main body can be conveniently butted with a water delivery device or a medicine injection device for use.

It should be noted that, when the micro-plastic trocar is used, other needle heads are firstly inserted into the sealing block 4, liquid medicine is introduced into the interior of the sealing block, gas in the through pipe 7 is discharged, and then the needle body 3 is inserted into a place where a patient needs to be pricked, a user can drive the screw rod to be inserted into the cannula main body 1 or to be far away from the cannula main body 1 by rotating the adjusting knob 10, when the needle rod is inserted, due to the existence of the connecting rope 12, the compression spring 11 releases elasticity, the second pressing block is matched with the first pressing block to tightly press the cannula 8, so as to cut off the downward conveying of the liquid medicine, when the needle rod is rotated to be far away from the cannula main body 1, the screw rod pulls the connecting rope 12, the second pressing block is driven to contract by the connecting rope 12, so as to open the cannula 8, help the liquid medicine to flow down, when a long medicine tube is needed, the needle tube main body 2 can be, after use, the needle tube body 2 and the through tube 7 can be directly discarded, and the cannula body 1 can be sterilized for recycling.

Example 2

On the basis of the above embodiment 1, it should be further described that, when the insertion tube 8 and the connection inner tube 13 are both flexible tubes in actual use, the tightness of the threaded connection is not large enough, the position of the insertion tube 8 close to the upper port can be set and connected with the threaded connection structure of the inner tube 13, and the threaded structure is also set at the position of the connection inner tube 13 close to the upper end, the two threaded structures should be rigid plastic pieces, the position of the middle section extruded by the pressing block should be a flexible plastic piece, and the pressing and blocking of the liquid medicine flow are facilitated.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A micro-plastic trocar, comprising a trocar body, characterized in that: the utility model discloses a sleeve pipe, including casing main part, fixed mounting of cavity inner wall has the dead lever, the other end external surface fixed mounting of dead lever has the briquetting No. one, one side contact that the dead lever was kept away from to briquetting has the intubate, the intubate is kept away from one side external surface of dead lever and is pasted No. two briquetting, No. two briquetting keep away from one side external surface fixed mounting of intubate and are connected the rope, it passes compression spring fixedly connected with screw rod to connect rope one end, the other end of screw rod runs through the pipe wall fixedly connected with adjust knob of casing main part, the pipe wall threaded connection of screw rod and casing main part, the lower extreme of casing main part can be dismantled and be connected with the needle tubing main part.

2. A micro-orthopedic trocar as claimed in claim 1, wherein: the needle body is located the inside one end fixedly connected with siphunculus of needle tubing main part, the other end and the intubate of siphunculus can be dismantled and be connected.

3. A micro-orthopedic trocar as claimed in claim 2, wherein: the one end fixed mounting who keeps away from the needle body of siphunculus has the connection inner tube, connect inner tube and intubate threaded connection.

4. A micro-orthopedic trocar as claimed in claim 1, wherein: the outer surface of the lower end of the sleeve main body is fixedly provided with a buckle, the outer surface of the upper end of the needle tube main body is provided with a buckle groove matched with the buckle, and the needle tube main body is detachably connected with the sleeve main body through the buckle.

5. A micro-orthopedic trocar as claimed in claim 1, wherein: and a sealing block is fixedly arranged at the center of the outer surface of the upper end of the sleeve main body.

6. A micro-orthopedic trocar as claimed in claim 5, wherein: the outer surface of the upper end of the sleeve main body is provided with an inner ring groove and an outer ring groove around the sealing block, and the groove walls of the inner ring groove and the outer ring groove are both provided with a threaded structure.