CN214967605U - Washing needle head for puncture - Google Patents
Washing needle head for puncture Download PDFInfo
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- CN214967605U CN214967605U CN202120770861.3U CN202120770861U CN214967605U CN 214967605 U CN214967605 U CN 214967605U CN 202120770861 U CN202120770861 U CN 202120770861U CN 214967605 U CN214967605 U CN 214967605U
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Abstract
The utility model relates to a flushing syringe needle for puncture, which adopts the technical proposal that a puncture head penetrates through the inner side of the corneal limbus of a patient to form a puncture hole, a flat puncture head is wrapped by a push rod in a sliding way, and the flat puncture head is used for flushing the anterior chamber; the pH value of liquid in the cavity is obtained by utilizing a measuring valve body in the cavity, and the pH value of the liquid in the cavity is equal to the pH value of the liquid in the anterior chamber; the pH value in the cylinder body is adjusted by using the pH adjusting valve body, so that the imbalance of the pH value of the anterior chamber caused by the replacement of aqueous humor and flushing liquid of the anterior chamber is avoided.
Description
Technical Field
The utility model belongs to the field of medical equipment, concretely relates to is a puncture is with washing syringe needle.
Background
The anterior chamber puncture comprises diagnostic anterior chamber puncture, anterior chamber plasty, anterior chamber irrigation. Wherein in the anterior chamber irrigation, an irrigation needle head is firstly used for passing through a puncture hole at the inner side of the corneal limbus, and then irrigation liquid is injected into the irrigation needle head for carrying out liquid irrigation on the anterior chamber part; for the patients with acid-base chemical burns of eyes, if the acid-base value in the anterior chamber cannot be balanced after the patients are washed, and the patients keep continuous alkalinity or acidity, the deep tissues of the eyes can be further injured; therefore, it is important to keep the balance between the pressure in the anterior chamber and the external pressure in the process, and the balance can ensure that the aqueous humor can be circularly metabolized to reach the acid-base balance in the anterior chamber; however, in clinical practice, the balance between the pressure in the anterior chamber and the external pressure cannot be determined during the exchange process of the rinsing fluid and the aqueous humor of the anterior chamber, so the rinsing effect needs to be determined by measuring the pH value in the anterior chamber.
The utility model provides a puncture is with washing syringe needle to the unstable problem of anterior chamber pH value of current anterior chamber puncture in-process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the unstable problem of anterior chamber pH value in the current anterior chamber puncture process, the utility model provides a puncture is with washing syringe needle.
An irrigation needle for puncture, comprising: a puncture needle head for anterior chamber puncture, a cylinder body for bearing the puncture needle head; the puncture needle head is sleeved in the flat needle head with smooth end opening, and the outer surface of the cylinder body is respectively provided with a push rod for pushing the flat puncture head to horizontally slide; a cavity is arranged at the outer edge of the cylinder body, and a measuring valve body for measuring the pH value in the cylinder body and an acid-base adjusting valve body for adjusting the pH value in the cylinder body are respectively arranged in the cavity; the acid-base adjusting valve body adjusts the acid-base value of the liquid in the cylinder body according to the feedback information of the measuring valve body; before use, the acupuncture head penetrates through the inner side of the corneal limbus of a patient to form a puncture hole, the flat acupuncture head is further wrapped by the push rod in a sliding manner, and the flat acupuncture head is further used for washing the anterior chamber; the pH value of liquid in the cavity is obtained by utilizing a measuring valve body in the cavity, and the pH value of the liquid in the cavity is equal to the pH value of the liquid in the anterior chamber; and further, the pH value in the cylinder body is adjusted by using the pH adjusting valve body, so that the imbalance of the pH value of the anterior chamber caused by the replacement of the aqueous humor of the anterior chamber and the flushing liquid is avoided.
Further, the horizontal distance between the acid-base adjusting valve body and the needle head is smaller than the horizontal distance between the measuring valve body and the needle head; when the device is used, the pH value of the liquid in the cavity corresponding to the puncture needle head is measured by the measuring valve body, and then the pH value of the liquid in the cavity is adjusted by the acid-base adjusting valve body.
Furthermore, a push rod which horizontally slides along the direction of the puncture needle head is arranged on the outer surface of the cylinder body, and a slide rail for the push rod to slide is arranged on the outer surface of the cylinder body; one end of the push rod is provided with a flat needle head which is matched with the outer edge of the needle head in size, and the outer surface of the needle head is provided with a through hole for liquid to pass through; when anterior chamber washing is carried out, the push rod is slid to enable the flat needle head to wrap the puncture needle head; thereby realizing that the flushing liquid reaches the outlet end of the flat needle through the puncture needle head.
Or, in order to facilitate the puncture of the puncture needle head, a push rod for pushing the puncture needle head to slide is arranged on the outer surface of the cylinder body, one end of the push rod is connected with the puncture needle cylinder body for bearing the puncture needle head, and the inner edge of the puncture needle cylinder body is matched with the outer edge of the cylinder body; one end of a push rod for pushing the flat needle head is provided with a flat needle cylinder body for bearing the flat needle head, and the inner edge of the flat needle cylinder body is matched with the outer edge of the puncture needle cylinder body.
Furthermore, in order to realize the sliding fixation of the push rod, a gear locking mechanism is correspondingly arranged between the side end of the push rod and the outer surface of the slide rail; the gear locking mechanism comprises a rack arranged on the outer surface of the sliding rail and a rotatable gear arranged at the side end of the push rod; the rotating shaft of the gear is a torque rotating shaft.
Further, a measuring valve body communicated with the barrel is arranged between the barrel and the cavity, the measuring valve body is arranged to be an L-shaped barrel, one end of the L-shaped barrel is arranged to be a one-way valve, the other end of the L-shaped barrel is arranged to be an electric control ball valve, and an electronic PH meter is arranged in the L-shaped barrel; when the electronic PH meter is used, the liquid on the inner side of the measuring ball valve is kept at a constant value through the matching of the one-way valve and the electronic control ball valve, and when the electronic PH meter obtains the constant value, the electronic control ball valve is opened to release the liquid on the inner side; the setting can realize that the electronic PH meter can measure the pH value of the liquid in the cylinder in real time.
Further, the acid-base regulating valve body includes: an alkaline cylinder for injecting an alkaline solution into the cylinder, and an acidic cylinder for injecting an acidic solution into the cylinder; a valve cylinder for connecting the alkaline cylinder body and the acidic cylinder body is arranged on the outer surface of the cylinder body in a penetrating way; the valve barrel is provided with an inlet and outlet pipe orifice communicated with the acid barrel and an inlet and outlet pipe orifice communicated with the alkaline barrel respectively, and can open the inlet and outlet pipe orifice of the acid barrel and close the inlet and outlet pipe orifice of the alkaline barrel simultaneously or open the inlet and outlet pipe orifice of the alkaline barrel and close the inlet and outlet pipe orifice of the alkaline barrel and the inlet and outlet pipe orifice of the acid barrel simultaneously; the above arrangement can realize acid-base regulation in the cylinder.
Furthermore, a two-way valve body which slides along the central axis of the valve cylinder is arranged in the valve cylinder; a first annular passage communicated with an inlet and outlet pipe orifice pipeline of the acidic cylinder and a second annular passage communicated with an inlet and outlet pipe orifice pipeline of the alkaline cylinder are respectively arranged at the side end of the two-way valve body along different radial directions of the two-way valve body; a through hole for acidic liquid or alkaline liquid to flow to the cylinder body through the two-way valve body is arranged on the two-way valve body along the space between the first annular passage and the second annular passage.
Further, the through hole is arranged at the central point between the first through hole and the second through hole, and one end of the through hole is movably communicated with the pipe inlet of the acidic cylinder or the pipe inlet of the alkaline cylinder.
Further, the through hole on the surface of the two-way valve slides to a first position at the pipe inlet of the acid supply cylinder on the cylinder; the through hole on the surface of the valve barrel slides to a second position at the pipe inlet of the alkaline barrel on the barrel; the first annular passage on the surface of the valve cylinder is positioned at the third position at the pipe inlet of the acid cylinder.
Furthermore, one end of the two-way valve body is provided with a thread pushing mechanism for pushing the two-way valve body to slide along the central axis of the valve barrel, and the thread pushing mechanism comprises a threaded rod connected with the two-way valve body and an internal thread nut which is in threaded engagement with the threaded rod and can rotate; when in use, the rotation of the internal thread nut is used for engaging the transmission threaded rod to move up and down.
Furthermore, a thrust ball bearing is arranged at the port of the cylinder body, and a tooth edge of an internal thread nut is arranged on the rotating end face of the thrust ball bearing; the outer edge of the internal thread nut is provided with an external thread nut, and the outer edge of the external thread nut is provided with a transmission threaded rod meshed with the external thread nut; one end of the transmission threaded rod is provided with a rotating motor; when the two-way valve is used, the rotating motor is started, so that the thread pushing mechanism pushes the two-way valve body to slide in the valve barrel, and the two-way valve body slides to the first position, the second position or the third position.
Furthermore, a controller and a battery component are arranged in the cavity, and the battery component and the controller are respectively and electrically connected with an electric control ball valve, an electronic PH meter and a rotating motor.
Compared with the washing needle head for the anterior chamber puncture in the prior art, the technical proposal of the utility model utilizes the needle head to penetrate the inner side of the corneal limbus of a patient to form a puncture hole, utilizes the push rod to pack the flat needle head in a sliding way, and utilizes the flat needle head to wash the anterior chamber; the pH value of liquid in the cavity is obtained by utilizing a measuring valve body in the cavity, and the pH value of the liquid in the cavity is equal to the pH value of the liquid in the anterior chamber; the pH value in the cylinder body is adjusted by using the pH adjusting valve body, so that the imbalance of the pH value of the anterior chamber caused by the replacement of aqueous humor and flushing liquid of the anterior chamber is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall longitudinal cutting structure of the present invention;
FIG. 4 is a schematic view of a partial structure of the present invention;
FIG. 5 is a schematic structural view of a measuring valve body according to the present invention;
fig. 6 is a schematic structural diagram of the acid-base measuring valve body of the present invention;
fig. 7 is a schematic structural view of the middle valve cylinder of the present invention;
FIG. 8 is a schematic structural view of the two-way valve body of the present invention;
fig. 9 is a schematic structural view of the screw propulsion mechanism of the present invention;
in the figure, 1, a needle head; 2. flattening the needle head; 3. a cavity; 4. a barrel; 5. a push rod for pushing the flat thorn head to slide; 6. a push rod for pushing the puncture needle head to slide; 101. the outer surface of the puncture needle head is provided with a through hole for the liquid to pass through; 102. a pricking pin cylinder; 201. a plain needle cylinder; 7. a measuring valve body; 8. an acid-base regulating valve body; 401. a rack; 501. a gear; 701. a one-way valve; 702. an L-shaped barrel; 703. an electrically controlled ball valve; 704. an electronic PH meter; 801. an acidic cylinder; 802. an alkaline cylinder; 803. a valve barrel; 804. a two-way valve body; 8031. an inlet pipe orifice and an outlet pipe orifice which are communicated with the acidic cylinder body; 8032. an inlet pipe orifice and an outlet pipe orifice which are communicated with the alkaline cylinder body; 8041. a first annular passage; 8042. supplying acid liquid or alkaline liquid to the through hole of the cylinder body through the two-way valve body;
8043. a second annular passage; 901. a rotating electric machine; 902. a transmission threaded rod; 904. a thrust ball bearing;
905. an externally threaded nut; 903. an internally threaded nut; 906. a threaded rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the disclosure in the specification. The utility model discloses can also implement or use through other different concrete implementation manners, under the condition of conflict-free, the characteristics in following embodiment and the embodiment can make up each other, based on the embodiment in the utility model, all other embodiments that the ordinary skilled in the art obtained under the prerequisite of not making creative work all belong to the scope of protection of the utility model.
Example 1A washing needle for puncture
An irrigation needle for puncture, comprising: a puncture needle head 1 for anterior chamber puncture, a cylinder 4 for holding the puncture needle head 1; the puncture needle head 1 is sleeved in the flat needle head 2 with smooth ports, and push rods for pushing the flat puncture head to horizontally slide are respectively arranged on the outer surface of the barrel body 4; a cavity 3 is arranged at the outer edge of the cylinder 4, and a measuring valve body 7 for measuring the pH value in the cylinder 4 and an acid-base adjusting valve body 8 for adjusting the pH value in the cylinder 4 are respectively arranged in the cavity 3; and the pH value of the liquid in the cylinder 4 is adjusted by the pH adjusting valve body 8 according to the feedback information of the measuring valve body 7.
The horizontal distance between the acid-base adjusting valve body 8 and the puncture needle head 1 is smaller than the horizontal distance between the measuring valve body 7 and the puncture needle head 1; a push rod which horizontally slides along the direction of the puncture needle head 1 is arranged on the outer surface of the cylinder body 4, and a slide rail for the push rod to slide is arranged on the outer surface of the cylinder body 4; one end of the push rod is provided with a flat needle head 2 which is matched with the outer edge of the needle head 1 in size, and the outer surface of the needle head 1 is provided with a through hole for liquid to pass through.
A measuring valve body 7 communicated with the barrel body 4 is arranged between the barrel body 4 and the cavity 3, the measuring valve body 7 is arranged to be an L-shaped barrel 702 body 4, one end of the L-shaped barrel 702 body 4 is arranged to be a one-way valve 701, the other end of the L-shaped barrel 702 body 4 is arranged to be an electric control ball valve 703, and an electronic PH meter 704 is arranged in the L-shaped barrel 702 body 4.
The acid-base regulating valve body 8 includes: an alkaline cylinder 802 for injecting an alkaline solution into the cylinder 4, and an acidic cylinder 801 for injecting an acidic solution into the cylinder 4; a valve cylinder 803 for connecting the alkaline cylinder 802 and the acidic cylinder 801 is arranged on the outer surface of the cylinder 4 in a penetrating manner; the valve barrel 803 is provided with an inlet and outlet pipe orifice communicated with the acid barrel 801 and an inlet and outlet pipe orifice communicated with the alkaline barrel 802 respectively, and the valve barrel 803 can open the inlet and outlet pipe orifice of the acid barrel 801 and close the inlet and outlet pipe orifice of the alkaline barrel 802 or open the inlet and outlet pipe orifice of the alkaline barrel 802 and close the inlet and outlet pipe orifice of the alkaline barrel 802 and the inlet and outlet pipe orifice of the acid barrel 801 simultaneously.
A two-way valve body 804 which slides along the central axis of the valve cylinder 803 is arranged in the valve cylinder 803; a first annular passage 8041 for communicating an inlet and outlet pipe orifice pipeline of the acidic cylinder 801 and a second annular passage for communicating an inlet and outlet pipe orifice pipeline of the alkaline cylinder 802 are respectively arranged at the side end of the two-way valve body 804 along different radial directions of the two-way valve body 804; a through hole for acidic liquid or alkaline liquid to flow to the cylinder 4 through the two-way valve body 804 is arranged on the two-way valve body 804 along the space between the first annular passage 8041 and the second annular passage; the through hole is arranged at the center point between the first through hole and the second through hole, and one end of the through hole is movably communicated with the pipe inlet of the acidic cylinder 801 or the pipe inlet of the alkaline cylinder 802.
The through hole on the surface of the two-way valve body 804 slides to a first position at the pipe inlet of the acidic cylinder 801 on the cylinder 4; the through hole on the surface of the valve barrel 803 slides to a second position at the pipe inlet of the alkaline barrel 802 on the barrel 4; the first annular passage 8041 on the surface of valve cylinder 803 is located at the third position at the inlet of acid cylinder 801.
A thread pushing mechanism for pushing the two-way valve body 804 to slide along the central axis of the valve barrel 803 is arranged at one end of the two-way valve body 804, and comprises a threaded rod 906 connected with the two-way valve body 804 and an internal threaded nut 903 which is in threaded engagement with the threaded rod 906 and can rotate; when in use, the transmission threaded rod 902 is engaged with the rotation of the internal thread nut 903 to move up and down; a thrust ball bearing 904 is arranged at the port of the cylinder 4, and the rotating end face of the thrust ball bearing 904 is provided with a tooth edge of an internal thread nut 903; an external thread nut 905 is arranged on the outer edge of the internal thread nut 903, and a transmission threaded rod 902 meshed with the external thread nut 905 is arranged on the outer edge of the external thread nut 905; one end of the transmission threaded rod 902 is provided with a rotating motor 901; a controller and a battery assembly are arranged in the cavity 3, and the battery assembly and the controller are respectively and electrically connected with an electric control ball valve 703, an electronic PH meter 704 and a rotating motor 901.
Example 2A washing needle for puncture
An irrigation needle for puncture, comprising: a puncture needle head 1 for anterior chamber puncture, a cylinder 4 for holding the puncture needle head 1; the puncture needle head 1 is sleeved in the flat needle head 2 with smooth ports, and push rods for pushing the flat puncture head to horizontally slide are respectively arranged on the outer surface of the barrel body 4; a cavity 3 is arranged at the outer edge of the cylinder 4, and a measuring valve body 7 for measuring the pH value in the cylinder 4 and an acid-base adjusting valve body 8 for adjusting the pH value in the cylinder 4 are respectively arranged in the cavity 3; and the pH value of the liquid in the cylinder 4 is adjusted by the pH adjusting valve body 8 according to the feedback information of the measuring valve body 7.
The horizontal distance between the acid-base adjusting valve body 8 and the puncture needle head 1 is smaller than the horizontal distance between the measuring valve body 7 and the puncture needle head 1; a push rod for pushing the puncture needle head 1 to slide is arranged on the outer surface of the cylinder body 4, one end of the push rod is connected with a puncture needle cylinder body 1024 for bearing the puncture needle head 1, and the inner edge of the puncture needle cylinder body 1024 is matched with the outer edge of the cylinder body 4; one end of a push rod for pushing the flat needle head 2 is provided with a flat needle barrel 2014 for bearing the flat needle head 2, and the inner edge of the flat needle barrel 2014 is matched with the outer edge of the needle barrel 1024.
A measuring valve body 7 communicated with the barrel body 4 is arranged between the barrel body 4 and the cavity 3, the measuring valve body 7 is arranged to be an L-shaped barrel 702 body 4, one end of the L-shaped barrel 702 body 4 is arranged to be a one-way valve 701, the other end of the L-shaped barrel 702 body 4 is arranged to be an electric control ball valve 703, and an electronic PH meter 704 is arranged in the L-shaped barrel 702 body 4.
The acid-base regulating valve body 8 includes: an alkaline cylinder 802 for injecting an alkaline solution into the cylinder 4, and an acidic cylinder 801 for injecting an acidic solution into the cylinder 4; a valve cylinder 803 for connecting the alkaline cylinder 802 and the acidic cylinder 801 is arranged on the outer surface of the cylinder 4 in a penetrating manner; the valve barrel 803 is provided with an inlet and outlet pipe orifice communicated with the acid barrel 801 and an inlet and outlet pipe orifice communicated with the alkaline barrel 802 respectively, and the valve barrel 803 can open the inlet and outlet pipe orifice of the acid barrel 801 and close the inlet and outlet pipe orifice of the alkaline barrel 802 or open the inlet and outlet pipe orifice of the alkaline barrel 802 and close the inlet and outlet pipe orifice of the alkaline barrel 802 and the inlet and outlet pipe orifice of the acid barrel 801 simultaneously.
A two-way valve body 804 which slides along the central axis of the valve cylinder 803 is arranged in the valve cylinder 803; a first annular passage 8041 for communicating an inlet and outlet pipe orifice pipeline of the acidic cylinder 801 and a second annular passage for communicating an inlet and outlet pipe orifice pipeline of the alkaline cylinder 802 are respectively arranged at the side end of the two-way valve body 804 along different radial directions of the two-way valve body 804; a through hole for acidic liquid or alkaline liquid to flow to the cylinder 4 through the two-way valve body 804 is arranged on the two-way valve body 804 along the space between the first annular passage 8041 and the second annular passage; the through hole is arranged at the center point between the first through hole and the second through hole, and one end of the through hole is movably communicated with the pipe inlet of the acidic cylinder 801 or the pipe inlet of the alkaline cylinder 802.
The through hole on the surface of the two-way valve body 804 slides to a first position at the pipe inlet of the acidic cylinder 801 on the cylinder 4; the through hole on the surface of the valve barrel 803 slides to a second position at the pipe inlet of the alkaline barrel 802 on the barrel 4; the first annular passage 8041 on the surface of valve cylinder 803 is located at the third position at the inlet of acid cylinder 801.
A thread pushing mechanism for pushing the two-way valve body 804 to slide along the central axis of the valve barrel 803 is arranged at one end of the two-way valve body 804, and comprises a threaded rod 906 connected with the two-way valve body 804 and an internal threaded nut 903 which is in threaded engagement with the threaded rod 906 and can rotate; when in use, the transmission threaded rod 902 is engaged with the rotation of the internal thread nut 903 to move up and down; a thrust ball bearing 904 is arranged at the port of the cylinder 4, and the rotating end face of the thrust ball bearing 904 is provided with a tooth edge of an internal thread nut 903; an external thread nut 905 is arranged on the outer edge of the internal thread nut 903, and a transmission threaded rod 902 meshed with the external thread nut 905 is arranged on the outer edge of the external thread nut 905; one end of the transmission threaded rod 902 is provided with a rotating motor 901; a controller and a battery assembly are arranged in the cavity 3, and the battery assembly and the controller are respectively and electrically connected with an electric control ball valve 703, an electronic PH meter 704 and a rotating motor 901.
EXAMPLE 3A washing needle for puncture
An irrigation needle for puncture, comprising: a puncture needle head 1 for anterior chamber puncture, a cylinder 4 for holding the puncture needle head 1; the puncture needle head 1 is sleeved in the flat needle head 2 with smooth ports, and push rods for pushing the flat puncture head to horizontally slide are respectively arranged on the outer surface of the barrel body 4; a cavity 3 is arranged at the outer edge of the cylinder 4, and a measuring valve body 7 for measuring the pH value in the cylinder 4 and an acid-base adjusting valve body 8 for adjusting the pH value in the cylinder 4 are respectively arranged in the cavity 3; and the pH value of the liquid in the cylinder 4 is adjusted by the pH adjusting valve body 8 according to the feedback information of the measuring valve body 7.
The horizontal distance between the acid-base adjusting valve body 8 and the puncture needle head 1 is smaller than the horizontal distance between the measuring valve body 7 and the puncture needle head 1; a push rod for pushing the puncture needle head 1 to slide is arranged on the outer surface of the cylinder body 4, one end of the push rod is connected with a puncture needle cylinder body 1024 for bearing the puncture needle head 1, and the inner edge of the puncture needle cylinder body 1024 is matched with the outer edge of the cylinder body 4; one end of a push rod for pushing the flat needle head 2 is provided with a flat needle barrel 2014 for bearing the flat needle head 2, and the inner edge of the flat needle barrel 2014 is matched with the outer edge of the needle barrel 1024.
In order to realize the sliding fixation of the push rod, a gear 501 locking mechanism is correspondingly arranged between the side end of the push rod and the outer surface of the slide rail; the gear 501 locking mechanism comprises a rack 401 arranged on the outer surface of the sliding rail and a rotatable gear 501 arranged at the side end of the push rod; the rotating shaft of the gear 501 is a torque rotating shaft; a measuring valve body 7 communicated with the barrel body 4 is arranged between the barrel body 4 and the cavity 3, the measuring valve body 7 is arranged to be an L-shaped barrel 702 body 4, one end of the L-shaped barrel 702 body 4 is arranged to be a one-way valve 701, the other end of the L-shaped barrel 702 body 4 is arranged to be an electric control ball valve 703, and an electronic PH meter 704 is arranged in the L-shaped barrel 702 body 4.
The acid-base regulating valve body 8 includes: an alkaline cylinder 802 for injecting an alkaline solution into the cylinder 4, and an acidic cylinder 801 for injecting an acidic solution into the cylinder 4; a valve cylinder 803 for connecting the alkaline cylinder 802 and the acidic cylinder 801 is arranged on the outer surface of the cylinder 4 in a penetrating manner; the valve barrel 803 is provided with an inlet and outlet pipe orifice communicated with the acid barrel 801 and an inlet and outlet pipe orifice communicated with the alkaline barrel 802 respectively, and the valve barrel 803 can open the inlet and outlet pipe orifice of the acid barrel 801 and close the inlet and outlet pipe orifice of the alkaline barrel 802 or open the inlet and outlet pipe orifice of the alkaline barrel 802 and close the inlet and outlet pipe orifice of the alkaline barrel 802 and the inlet and outlet pipe orifice of the acid barrel 801 simultaneously.
A two-way valve body 804 which slides along the central axis of the valve cylinder 803 is arranged in the valve cylinder 803; a first annular passage 8041 for communicating an inlet and outlet pipe orifice pipeline of the acidic cylinder 801 and a second annular passage for communicating an inlet and outlet pipe orifice pipeline of the alkaline cylinder 802 are respectively arranged at the side end of the two-way valve body 804 along different radial directions of the two-way valve body 804; a through hole for acidic liquid or alkaline liquid to flow to the cylinder 4 through the two-way valve body 804 is arranged on the two-way valve body 804 along the space between the first annular passage 8041 and the second annular passage; the through hole is arranged at the center point between the first through hole and the second through hole, and one end of the through hole is movably communicated with the pipe inlet of the acidic cylinder 801 or the pipe inlet of the alkaline cylinder 802.
The through hole on the surface of the two-way valve body 804 slides to a first position at the pipe inlet of the acidic cylinder 801 on the cylinder 4; the through hole on the surface of the valve barrel 803 slides to a second position at the pipe inlet of the alkaline barrel 802 on the barrel 4; the first annular passage 8041 on the surface of valve cylinder 803 is located at the third position at the inlet of acid cylinder 801.
A thread pushing mechanism for pushing the two-way valve body 804 to slide along the central axis of the valve barrel 803 is arranged at one end of the two-way valve body 804, and comprises a threaded rod 906 connected with the two-way valve body 804 and an internal threaded nut 903 which is in threaded engagement with the threaded rod 906 and can rotate; when in use, the transmission threaded rod 902 is engaged with the rotation of the internal thread nut 903 to move up and down; a thrust ball bearing 904 is arranged at the port of the cylinder 4, and the rotating end face of the thrust ball bearing 904 is provided with a tooth edge of an internal thread nut 903; an external thread nut 905 is arranged on the outer edge of the internal thread nut 903, and a transmission threaded rod 902 meshed with the external thread nut 905 is arranged on the outer edge of the external thread nut 905; one end of the transmission threaded rod 902 is provided with a rotating motor 901; a controller and a battery assembly are arranged in the cavity 3, and the battery assembly and the controller are respectively and electrically connected with an electric control ball valve 703, an electronic PH meter 704 and a rotating motor 901.
The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.
Claims (10)
1. An irrigation needle for puncture, comprising: a puncture needle head for anterior chamber puncture, a cylinder body for bearing the puncture needle head; it is characterized in that the puncture needle head is sleeved in the flat needle head with smooth end opening, and the outer surface of the cylinder body is respectively provided with a push rod which pushes the flat puncture head to horizontally slide; a cavity is arranged at the outer edge of the cylinder body, and a measuring valve body for measuring the pH value in the cylinder body and an acid-base adjusting valve body for adjusting the pH value in the cylinder body are respectively arranged in the cavity; the acid-base adjusting valve body adjusts the acid-base value of the liquid in the cylinder body according to the feedback information of the measuring valve body; the horizontal distance between the acid-base adjusting valve body and the puncture needle head is smaller than the horizontal distance between the measuring valve body and the puncture needle head.
2. The irrigation needle head for puncture as claimed in claim 1, wherein a push rod for pushing the puncture needle head to slide is provided on the outer surface of the cylinder, and one end of the push rod is connected with a puncture needle cylinder for holding the puncture needle head, and the inner edge of the puncture needle cylinder is fitted with the outer edge of the cylinder; one end of a push rod for pushing the flat needle head is provided with a flat needle cylinder body for bearing the flat needle head, and the inner edge of the flat needle cylinder body is matched with the outer edge of the puncture needle cylinder body.
3. The irrigation needle head for puncture as claimed in claim 2, wherein a gear locking mechanism is correspondingly arranged between the side end of the push rod and the outer surface of the slide rail; the gear locking mechanism comprises a rack arranged on the outer surface of the sliding rail and a rotatable gear arranged at the side end of the push rod; the rotating shaft of the gear is a torque rotating shaft.
4. The irrigation needle head for puncture as claimed in claim 1, wherein a measuring valve body is disposed between the barrel and the cavity and is in communication with the barrel, the measuring valve body is configured as an L-shaped barrel, one end of the L-shaped barrel is configured as a one-way valve, the other end of the L-shaped barrel is configured as an electrically controlled ball valve, and an electronic pH meter is disposed in the L-shaped barrel.
5. The irrigation needle head for puncture according to claim 1, wherein the acid-base adjustment valve body comprises: an alkaline cylinder for injecting an alkaline solution into the cylinder, and an acidic cylinder for injecting an acidic solution into the cylinder; a valve cylinder for connecting the alkaline cylinder body and the acidic cylinder body is arranged on the outer surface of the cylinder body in a penetrating way; the valve barrel is respectively provided with an inlet and outlet pipe orifice communicated with the acidic barrel body and an inlet and outlet pipe orifice communicated with the alkaline barrel body; a two-way valve body sliding along the central axis of the valve cylinder is arranged in the valve cylinder; a first annular passage communicated with an inlet and outlet pipe orifice pipeline of the acidic cylinder and a second annular passage communicated with an inlet and outlet pipe orifice pipeline of the alkaline cylinder are respectively arranged at the side end of the two-way valve body along different radial directions of the two-way valve body; a through hole for acidic liquid or alkaline liquid to flow to the cylinder body through the two-way valve body is arranged on the two-way valve body along the space between the first annular passage and the second annular passage.
6. A puncture irrigation needle according to claim 5, wherein the through hole on the surface of the two-way valve body slides to the first position at the inlet of the acidic cylinder on the cylinder; the through hole on the surface of the valve barrel slides to a second position at the pipe inlet of the alkaline barrel on the barrel; the first annular passage on the surface of the valve cylinder is positioned at the third position at the pipe inlet of the acid cylinder.
7. The irrigation needle head for paracentesis according to claim 6, wherein the through hole is arranged at a central point between the first through hole and the second through hole, and one end of the through hole is movably communicated with the inlet tube port of the acidic cylinder or the inlet tube port of the alkaline cylinder.
8. A puncture irrigation needle according to claim 7, wherein a screw pushing mechanism for pushing the two-way valve body to slide along the central axis of the valve cylinder is provided at one end of the two-way valve body, and the screw pushing mechanism comprises a threaded rod connected to the two-way valve body and an internally threaded nut which is threadedly engaged with the threaded rod and is rotatable.
9. The irrigation needle head for puncture as recited in claim 8, wherein a thrust ball bearing is provided at the port of the cylinder, and a rim of an internally threaded nut is provided on a rotating end surface of the thrust ball bearing; the outer edge of the internal thread nut is provided with an external thread nut, and the outer edge of the external thread nut is provided with a transmission threaded rod meshed with the external thread nut; one end of the transmission threaded rod is provided with a rotating motor.
10. A puncture irrigation needle according to claim 9, wherein a controller and a battery pack are provided in the chamber, and the battery pack and the controller are electrically connected to an electrically controlled ball valve, an electronic PH meter and a rotary motor, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113545915A (en) * | 2021-04-15 | 2021-10-26 | 中国人民解放军火箭军特色医学中心 | Rinsing needle head for anterior chamber puncture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113545915A (en) * | 2021-04-15 | 2021-10-26 | 中国人民解放军火箭军特色医学中心 | Rinsing needle head for anterior chamber puncture |
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