CN212416058U

CN212416058U - Novel syringe

Info

Publication number: CN212416058U
Application number: CN202020321937.XU
Authority: CN
Inventors: 黄冬梅; 康海军
Original assignee: Suining Central Hospital
Current assignee: Suining Central Hospital
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-01-29
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to the field of medical equipment, a novel syringe is disclosed, including empty section of thick bamboo, nipple, piston and piston shaft, the piston contacts and is connected with the piston shaft with empty section of thick bamboo inner wall, and empty section of thick bamboo is kept away from nipple one end and is equipped with threaded through-hole and detachable sealing head, and the piston shaft in the empty section of thick bamboo passes threaded through-hole and with threaded through-hole screw-thread fit. The utility model discloses can realize the gaseous injection volume purpose of accurate control, the piston axle that makes control piston remove passes through the empty section of thick bamboo screw-thread fit with the syringe to make the piston axle can the screw in or screw out an empty section of thick bamboo, avoid the gaseous injection volume of hard to control when injecting gas with the syringe, can more favourable injection into gas in to the gasbag.

Description

Novel syringe

Technical Field

The utility model relates to the field of medical equipment, in particular to a novel injector.

Background

The corneal laceration debridement suturing operation is an operation for better completing corneal laceration repair, corneal trauma is most common in ocular trauma, and the corneal laceration wounds are different in size and shape, so that the suturing mode is different, such as corneal deformity, high irregular astigmatism and thick scar formation caused by improper treatment, and blindness can be caused by extensive iris adhesion, corneal fistula, secondary glaucoma, balloon infection and the like. Therefore, great attention must be paid to the treatment of corneal lacerations.

When the depth of the suture is not enough, the inner opening of the corneal laceration is opened, the iris is often adhered to the inner opening in a loading mode, or the inner surface of the split is dislocated after the suture is knotted, the condition is easy to cause anterior adhesion of the iris, Healon is usually used for separating the iris adhered in the front, so that the corneal laceration is required to be repaired when the problems occur after the corneal laceration suture is performed, therefore, when the eye is subjected to the operation, the iris can be separated from the corneal laceration, then an air bag is injected into the anterior chamber of the eye, and the corneal laceration suture is convenient to perform debridement suture on the corneal laceration.

A syringe is a common medical device that primarily uses a needle to draw or inject a gas or liquid. When liquid is injected, the amount of the gas required to be injected is sucked in a conventional way, and then the gas is injected into a receptor at a slow speed, but in some operations, the gas bag used in the operations needs to be inflated, and the operation is precise, so that the injection amount of the gas is difficult to control when the gas is injected by using the conventional common injector, the deformation amount of the gas bag is difficult to control, and the accurate control of the injection amount of the gas is not facilitated. Therefore, a new type of injector capable of precisely controlling the injection amount of gas is urgently needed.

SUMMERY OF THE UTILITY MODEL

Based on the above problems, the utility model provides a novel syringe. The utility model discloses can realize the gaseous injection volume purpose of accurate control, the piston axle that makes control piston remove passes through the empty section of thick bamboo screw-thread fit with the syringe to make the piston axle can the screw in or screw out an empty section of thick bamboo, avoid the gaseous injection volume of hard to control when injecting gas with the syringe, can more favourable injection into gas in to the gasbag.

For solving the above technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a novel syringe, includes empty section of thick bamboo, nipple, piston and piston shaft, the piston with empty section of thick bamboo inner wall contact and with the piston shaft connection, empty section of thick bamboo is kept away from nipple one end and is equipped with threaded through-hole and detachable sealing head, the piston shaft in the empty section of thick bamboo pass the screw thread through-hole and with screw thread through-hole screw-thread fit.

The utility model discloses in, when will inject gas in to the gasbag through the syringe, the rotary piston axle, make the piston axle clockwise rotation or anticlockwise rotation in the screw thread through-hole of sealed head, thereby make the piston axle drive the piston round trip movement in the blank section of thick bamboo, when the piston moves to nipple one side, can squeeze into the gasbag with the gas in the blank section of thick bamboo in, when the piston is to keeping away from nipple one side and removing, can be with the gas suction in the gasbag, the mode that the piston axle passes through the screw thread screw in removes in the blank section of thick bamboo, accessible screw thread locking piston axle, it is just portable to need external force to rotate, prevent that the user from advancing the piston under careless condition, realize the purpose of accurate control gas injection volume. The utility model discloses can realize the gaseous injection volume purpose of accurate control, the piston axle that makes control piston remove passes through the empty section of thick bamboo screw-thread fit with the syringe to make the piston axle can the screw in or screw out an empty section of thick bamboo, avoid the gaseous injection volume of hard to control when injecting gas with the syringe, can more favourable injection into gas in to the gasbag.

As a preferred mode, one end of the hollow cylinder, which is far away from the nipple, is provided with a fixing head which is detachably used for clamping and fixing the sealing head on the hollow cylinder, and the sealing head penetrates through the fixing head.

As a preferred mode, one end of the hollow cylinder, which is far away from the nipple, is provided with an annular clamping groove, and one side, which is close to the hollow cylinder, of the fixed head is provided with an annular bulge matched with the annular clamping groove.

As a preferred mode, be equipped with the perforation that holds sealed head on the fixed head, the fixed head is kept away from empty section of thick bamboo one side and is equipped with the annular step with perforation and the outside intercommunication of empty section of thick bamboo, is equipped with the annular fixture block with annular step complex on the sealed head.

Preferably, the outer wall of the hollow cylinder is provided with scale marks.

As a preferable mode, the end part of the piston shaft outside the hollow cylinder is provided with an extension handle parallel to the end part of the piston shaft, and the extension handle is provided with a control handle vertically attached to the extension handle.

As a preferred mode, the end face of the sealing head is circular, and a prompt line pointing to the circle center is arranged at one end, away from the hollow cylinder, of the sealing head.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model can realize the purpose of accurately controlling the gas injection amount, and the piston shaft for controlling the movement of the piston is matched with the hollow cylinder thread of the injector, so that the piston shaft can be screwed in or screwed out of the hollow cylinder, thereby avoiding the difficulty in controlling the gas injection amount when the injector is used for injecting gas, and being more beneficial to injecting gas into the air bag;

(2) The utility model has the advantages that the fixing head for clamping and fixing the sealing head is arranged on the empty cylinder at the end far away from the nipple, the sealing head penetrates through the fixing head, and the fixing head for clamping and fixing the sealing head can be disassembled on the empty cylinder due to the contact of the piston and the inner wall of the empty cylinder, so that the piston can be installed in the empty cylinder, and the assembly of the injector is convenient;

(3) the utility model has the advantages that the end of the hollow cylinder far away from the nipple is provided with the annular clamping groove, the annular bulge matched with the annular clamping groove is arranged on one side of the fixed head close to the hollow cylinder, and the annular bulge is inserted into the annular clamping groove, so that the detachable connection of the fixed head can be realized;

(4) the utility model discloses a be equipped with the perforation that holds sealed head on the fixed head, fixed head keeps away from empty section of thick bamboo one side and is equipped with the annular step that communicates with perforation and empty section of thick bamboo outside, is equipped with the annular fixture block with annular step complex on the sealed head, inserts sealed head in the perforation of fixed head, and the annular fixture block card on the sealed head is in annular step department, can realize that sealed head keeps away from nipple one end in empty section of thick bamboo and can dismantle the connection;

(5) the utility model discloses an empty section of thick bamboo outer wall is equipped with the scale mark, observes the corresponding scale mark of piston near nipple one side, can make medical personnel know the gas volume of annotating out what;

(6) The piston shaft end part outside the hollow cylinder is provided with the extension handle parallel to the piston shaft end, the extension handle is provided with the control handle vertically attached to the extension handle, medical personnel hold the control handle, and the control handle is rotated to drive the piston shaft to rotate, so that the piston shaft is favorably rotated;

(7) the end face of the sealing head is circular, the end of the sealing head, which is far away from the empty cylinder, is provided with a prompt line pointing to the circle center, when the injector is used, the number of circles of the piston which can rotate by the rotary piston shaft can be measured, and when the air injected by the injector reaches a standard amount, the prompt line can be observed, the number of the piston shafts which need to rotate is calculated, so that the injected air amount can be controlled more accurately;

drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic structural diagram of a part a in fig. 2.

Fig. 4 is a schematic structural view of the end of the utility model far away from the nipple.

The novel nipple-shaped sealing device comprises a hollow cylinder 1, a nipple 110, a ring-shaped clamping groove 120, scale marks 130, a piston 2, a piston shaft 3, a sealing head 4, a threaded through hole 410, a ring-shaped clamping block 420, a prompt line 430, a fixing head 5, a through hole 510, a ring-shaped step 520, a ring-shaped bulge 530, an extension handle 6 and a control handle 7.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.

Example 1:

referring to fig. 1-4, a novel syringe, including empty section of thick bamboo 1, nipple 110, piston 2 and piston shaft 3, piston 2 and the contact of empty section of thick bamboo 1 inner wall and be connected with piston shaft 3, empty section of thick bamboo 1 is kept away from nipple 110 one end and is equipped with threaded through-hole 410 and detachable sealing head 4, and piston shaft 3 in the empty section of thick bamboo 1 passes threaded through-hole 410 and with threaded through-hole 410 screw-thread fit.

In this example, when will push the gas through the syringe to the gasbag in, the piston shaft 3 is rotated, make the piston shaft 3 rotate clockwise or anticlockwise rotate in the screw through-hole 410 of sealed head 4, thereby make the piston shaft 3 drive piston 2 round trip movement in empty section of thick bamboo 1, when piston 2 moves to nipple 110 one side, can squeeze the gas in empty section of thick bamboo 1 into the gasbag, when piston 2 moves to keeping away from nipple 110 one side, can suck the gas in the gasbag, piston shaft 3 moves in empty section of thick bamboo 1 through the mode of screw in, accessible screw locking piston shaft 3, it is just portable to need external force to rotate, prevent that the user from pushing piston 2 under careless circumstances, realize the purpose of accurate control gas injection volume. The utility model discloses can realize the gaseous injection volume purpose of accurate control, the piston shaft 3 that makes control piston 2 remove passes through the empty 1 screw-thread fit of section of thick bamboo with the syringe to make piston shaft 3 can the screw in or screw out empty 1 of a section of thick bamboo, avoid the gaseous injection volume of hard to control when injecting gas with the syringe, can more favourable injection into gas in to the gasbag.

Example 2:

Keep away from nipple 110 one end through empty section of thick bamboo 1 and be equipped with the fixed head 5 that can dismantle on empty section of thick bamboo 1 and be used for the card to fix sealed head 4, sealed head 4 runs through fixed head 5, because piston 2 and the contact of empty section of thick bamboo 1 inner wall make the fixed head 5 that the card fixed sealed head 4 can dismantle on empty section of thick bamboo 1 to can install piston 2 in empty section of thick bamboo 1, the equipment of the syringe of being convenient for.

As a preferable mode, the annular groove 120 is arranged at one end of the hollow cylinder 1 far away from the nipple 110, the annular protrusion 530 matched with the annular groove 120 is arranged at one side of the fixed head 5 close to the hollow cylinder 1, and the annular protrusion 530 is inserted into the annular groove 120, so that the detachable connection of the fixed head 5 can be realized.

As a preferable mode, a through hole 510 for accommodating the sealing head 4 is arranged on the fixing head 5, an annular step 520 communicated with the through hole 510 and the outside of the hollow cylinder 1 is arranged on one side of the fixing head 5 away from the hollow cylinder 1, an annular fixture block 420 matched with the annular step 520 is arranged on the sealing head 4, the sealing head 4 is inserted into the through hole 510 of the fixing head 5, and the annular fixture block 420 on the sealing head 4 is clamped at the annular step 520, so that the sealing head 4 can be detachably connected with one end of the hollow cylinder 1 away from the nipple 110.

The other parts of this embodiment are the same as embodiment 1, and are not described herein again.

Example 3:

Novel through empty 1 outer walls of section of thick bamboo be equipped with scale mark 130, observe piston 2 and be close to the corresponding scale mark 130 of nipple 110 one side, can make medical personnel know the gas volume of annotating and how much.

As a preferred mode, the end part of the piston shaft 3 outside the hollow cylinder 1 is provided with an extension handle 6 parallel to the end of the piston shaft 3, the extension handle 6 is provided with a control handle 7 vertically attached to the extension handle, medical personnel hold the control handle 7, and the control handle 7 is rotated to drive the piston shaft 3 to rotate, so that the piston shaft 3 can rotate.

As a preferable mode, the end face of the sealing head 4 is circular, and the end of the sealing head 4, which is far away from the hollow cylinder 1, is provided with a prompt line 430 pointing to the center of a circle, so that when the injector is used, the number of circles of the piston 2 which rotates the piston shaft 3 can be measured to move a scale, when the air injected by the injector reaches a standard amount, the prompt line 430 can be observed, the number of the piston shafts 3 which need to rotate is calculated, and the injected air amount is controlled more accurately.

The embodiment of the present invention is the above. The above embodiments and the specific parameters in the embodiments are only for the purpose of clearly showing the verification process of the utility model, and are not used to limit the patent protection scope of the utility model, the patent protection scope of the utility model is still subject to the claims, all the equivalent structural changes made by using the contents of the specification and the drawings of the utility model are included in the protection scope of the utility model.

Claims

1. The utility model provides a novel syringe, includes empty section of thick bamboo (1), nipple (110), piston (2) and piston shaft (3), piston (2) and the contact of empty section of thick bamboo (1) inner wall and be connected with piston shaft (3), its characterized in that: one end of the hollow cylinder (1) far away from the nipple (110) is provided with a sealing head (4) with a threaded through hole (410) and capable of being detached, and the piston shaft (3) in the hollow cylinder (1) penetrates through the threaded through hole (410) and is in threaded fit with the threaded through hole (410).

2. The new syringe of claim 1 wherein: one end of the hollow cylinder (1), which is far away from the nipple (110), is provided with a fixing head (5) which is detachably used for clamping and fixing the sealing head (4) on the hollow cylinder (1), and the sealing head (4) penetrates through the fixing head (5).

3. The new syringe of claim 2 wherein: an annular clamping groove (120) is formed in one end, far away from the nipple (110), of the hollow cylinder (1), and an annular protrusion (530) matched with the annular clamping groove (120) is arranged on one side, close to the hollow cylinder (1), of the fixing head (5).

4. The new syringe of claim 2 wherein: be equipped with perforation (510) that hold sealed head (4) on fixed head (5), fixed head (5) are kept away from an empty section of thick bamboo (1) one side and are equipped with and perforate (510) and empty annular step (520) of a section of thick bamboo (1) outside intercommunication, be equipped with on sealed head (4) with annular step (520) complex annular fixture block (420).

5. The new syringe of claim 1 wherein: the outer wall of the hollow cylinder (1) is provided with scale marks (130).

6. The new syringe of claim 1 wherein: the piston shaft (3) end part outside the hollow cylinder (1) is provided with an extension handle (6) parallel to the piston shaft (3), and the extension handle (6) is provided with a control handle (7) vertically attached to the extension handle.

7. The new syringe of claim 6 wherein: the end face of the sealing head (4) is circular, and a prompt line (430) pointing to the circle center is arranged at one end, away from the hollow cylinder (1), of the sealing head (4).